109 files changed, 1973 insertions, 932 deletions

diff --git a/hw/9pfs/Makefile.objs b/hw/9pfs/Makefile.objs
new file mode 100644
index 0000000000..972df24050
--- /dev/null
+++ b/hw/9pfs/Makefile.objs
@@ -0,0 +1,9 @@
+hw-obj-y  = virtio-9p.o
+hw-obj-y += virtio-9p-local.o virtio-9p-xattr.o
+hw-obj-y += virtio-9p-xattr-user.o virtio-9p-posix-acl.o
+hw-obj-y += virtio-9p-coth.o cofs.o codir.o cofile.o
+hw-obj-y += coxattr.o virtio-9p-synth.o
+hw-obj-$(CONFIG_OPEN_BY_HANDLE) +=  virtio-9p-handle.o
+hw-obj-y += virtio-9p-proxy.o
+
+obj-y += virtio-9p-device.o
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
new file mode 100644
index 0000000000..7e17504278
--- /dev/null
+++ b/hw/Makefile.objs
@@ -0,0 +1,165 @@
+hw-obj-y = usb/ ide/
+hw-obj-y += loader.o
+hw-obj-$(CONFIG_VIRTIO) += virtio-console.o
+hw-obj-$(CONFIG_VIRTIO_PCI) += virtio-pci.o
+hw-obj-y += fw_cfg.o
+hw-obj-$(CONFIG_PCI) += pci.o pci_bridge.o pci_bridge_dev.o
+hw-obj-$(CONFIG_PCI) += msix.o msi.o
+hw-obj-$(CONFIG_PCI) += shpc.o
+hw-obj-$(CONFIG_PCI) += slotid_cap.o
+hw-obj-$(CONFIG_PCI) += pci_host.o pcie_host.o
+hw-obj-$(CONFIG_PCI) += ioh3420.o xio3130_upstream.o xio3130_downstream.o
+hw-obj-y += watchdog.o
+hw-obj-$(CONFIG_ISA_MMIO) += isa_mmio.o
+hw-obj-$(CONFIG_ECC) += ecc.o
+hw-obj-$(CONFIG_NAND) += nand.o
+hw-obj-$(CONFIG_PFLASH_CFI01) += pflash_cfi01.o
+hw-obj-$(CONFIG_PFLASH_CFI02) += pflash_cfi02.o
+
+hw-obj-$(CONFIG_M48T59) += m48t59.o
+hw-obj-$(CONFIG_ESCC) += escc.o
+hw-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o
+
+hw-obj-$(CONFIG_SERIAL) += serial.o
+hw-obj-$(CONFIG_PARALLEL) += parallel.o
+hw-obj-$(CONFIG_I8254) += i8254_common.o i8254.o
+hw-obj-$(CONFIG_PCSPK) += pcspk.o
+hw-obj-$(CONFIG_PCKBD) += pckbd.o
+hw-obj-$(CONFIG_FDC) += fdc.o
+hw-obj-$(CONFIG_ACPI) += acpi.o acpi_piix4.o
+hw-obj-$(CONFIG_APM) += pm_smbus.o apm.o
+hw-obj-$(CONFIG_DMA) += dma.o
+hw-obj-$(CONFIG_I82374) += i82374.o
+hw-obj-$(CONFIG_HPET) += hpet.o
+hw-obj-$(CONFIG_APPLESMC) += applesmc.o
+hw-obj-$(CONFIG_SMARTCARD) += ccid-card-passthru.o
+hw-obj-$(CONFIG_SMARTCARD_NSS) += ccid-card-emulated.o
+hw-obj-$(CONFIG_I8259) += i8259_common.o i8259.o
+
+# PPC devices
+hw-obj-$(CONFIG_PREP_PCI) += prep_pci.o
+hw-obj-$(CONFIG_I82378) += i82378.o
+# Mac shared devices
+hw-obj-$(CONFIG_MACIO) += macio.o
+hw-obj-$(CONFIG_CUDA) += cuda.o
+hw-obj-$(CONFIG_ADB) += adb.o
+hw-obj-$(CONFIG_MAC_NVRAM) += mac_nvram.o
+hw-obj-$(CONFIG_MAC_DBDMA) += mac_dbdma.o
+# OldWorld PowerMac
+hw-obj-$(CONFIG_HEATHROW_PIC) += heathrow_pic.o
+hw-obj-$(CONFIG_GRACKLE_PCI) += grackle_pci.o
+# NewWorld PowerMac
+hw-obj-$(CONFIG_UNIN_PCI) += unin_pci.o
+hw-obj-$(CONFIG_DEC_PCI) += dec_pci.o
+# PowerPC E500 boards
+hw-obj-$(CONFIG_PPCE500_PCI) += ppce500_pci.o
+
+# MIPS devices
+hw-obj-$(CONFIG_PIIX4) += piix4.o
+hw-obj-$(CONFIG_G364FB) += g364fb.o
+hw-obj-$(CONFIG_JAZZ_LED) += jazz_led.o
+
+# PCI watchdog devices
+hw-obj-$(CONFIG_PCI) += wdt_i6300esb.o
+
+hw-obj-$(CONFIG_PCI) += pcie.o pcie_aer.o pcie_port.o
+
+# PCI network cards
+hw-obj-$(CONFIG_NE2000_PCI) += ne2000.o
+hw-obj-$(CONFIG_EEPRO100_PCI) += eepro100.o
+hw-obj-$(CONFIG_PCNET_PCI) += pcnet-pci.o
+hw-obj-$(CONFIG_PCNET_COMMON) += pcnet.o
+hw-obj-$(CONFIG_E1000_PCI) += e1000.o
+hw-obj-$(CONFIG_RTL8139_PCI) += rtl8139.o
+
+hw-obj-$(CONFIG_SMC91C111) += smc91c111.o
+hw-obj-$(CONFIG_LAN9118) += lan9118.o
+hw-obj-$(CONFIG_NE2000_ISA) += ne2000-isa.o
+hw-obj-$(CONFIG_OPENCORES_ETH) += opencores_eth.o
+
+# SCSI layer
+hw-obj-$(CONFIG_LSI_SCSI_PCI) += lsi53c895a.o
+hw-obj-$(CONFIG_ESP) += esp.o
+
+hw-obj-y += sysbus.o isa-bus.o
+hw-obj-y += qdev-addr.o
+
+# VGA
+hw-obj-$(CONFIG_VGA_PCI) += vga-pci.o
+hw-obj-$(CONFIG_VGA_ISA) += vga-isa.o
+hw-obj-$(CONFIG_VGA_ISA_MM) += vga-isa-mm.o
+hw-obj-$(CONFIG_VMWARE_VGA) += vmware_vga.o
+hw-obj-$(CONFIG_VMMOUSE) += vmmouse.o
+hw-obj-$(CONFIG_VGA_CIRRUS) += cirrus_vga.o
+
+hw-obj-$(CONFIG_RC4030) += rc4030.o
+hw-obj-$(CONFIG_DP8393X) += dp8393x.o
+hw-obj-$(CONFIG_DS1225Y) += ds1225y.o
+hw-obj-$(CONFIG_MIPSNET) += mipsnet.o
+
+# Sound
+sound-obj-y =
+sound-obj-$(CONFIG_SB16) += sb16.o
+sound-obj-$(CONFIG_ES1370) += es1370.o
+sound-obj-$(CONFIG_AC97) += ac97.o
+sound-obj-$(CONFIG_ADLIB) += fmopl.o adlib.o
+sound-obj-$(CONFIG_GUS) += gus.o gusemu_hal.o gusemu_mixer.o
+sound-obj-$(CONFIG_CS4231A) += cs4231a.o
+sound-obj-$(CONFIG_HDA) += intel-hda.o hda-audio.o
+
+$(obj)/adlib.o $(obj)/fmopl.o: QEMU_CFLAGS += -DBUILD_Y8950=0
+
+hw-obj-$(CONFIG_SOUND) += $(sound-obj-y)
+
+hw-obj-$(CONFIG_REALLY_VIRTFS) += 9pfs/
+
+common-obj-y += usb/
+common-obj-y += irq.o
+common-obj-$(CONFIG_PTIMER) += ptimer.o
+common-obj-$(CONFIG_MAX7310) += max7310.o
+common-obj-$(CONFIG_WM8750) += wm8750.o
+common-obj-$(CONFIG_TWL92230) += twl92230.o
+common-obj-$(CONFIG_TSC2005) += tsc2005.o
+common-obj-$(CONFIG_LM832X) += lm832x.o
+common-obj-$(CONFIG_TMP105) += tmp105.o
+common-obj-$(CONFIG_STELLARIS_INPUT) += stellaris_input.o
+common-obj-$(CONFIG_SSD0303) += ssd0303.o
+common-obj-$(CONFIG_SSD0323) += ssd0323.o
+common-obj-$(CONFIG_ADS7846) += ads7846.o
+common-obj-$(CONFIG_MAX111X) += max111x.o
+common-obj-$(CONFIG_DS1338) += ds1338.o
+common-obj-y += i2c.o smbus.o smbus_eeprom.o
+common-obj-y += eeprom93xx.o
+common-obj-y += scsi-disk.o cdrom.o
+common-obj-y += scsi-generic.o scsi-bus.o
+common-obj-y += hid.o
+common-obj-$(CONFIG_SSI) += ssi.o
+common-obj-$(CONFIG_SSI_SD) += ssi-sd.o
+common-obj-$(CONFIG_SD) += sd.o
+common-obj-y += bt.o bt-l2cap.o bt-sdp.o bt-hci.o bt-hid.o
+common-obj-y += bt-hci-csr.o
+common-obj-y += msmouse.o ps2.o
+common-obj-y += qdev.o qdev-properties.o qdev-monitor.o
+common-obj-$(CONFIG_BRLAPI) += baum.o
+
+# xen backend driver support
+common-obj-$(CONFIG_XEN_BACKEND) += xen_backend.o xen_devconfig.o
+common-obj-$(CONFIG_XEN_BACKEND) += xen_console.o xenfb.o xen_disk.o xen_nic.o
+
+# Per-target files
+# virtio has to be here due to weird dependency between PCI and virtio-net.
+# need to fix this properly
+obj-$(CONFIG_VIRTIO) += virtio.o virtio-blk.o virtio-balloon.o virtio-net.o
+obj-$(CONFIG_VIRTIO) += virtio-serial-bus.o virtio-scsi.o
+obj-$(CONFIG_SOFTMMU) += vhost_net.o
+obj-$(CONFIG_VHOST_NET) += vhost.o
+obj-$(CONFIG_REALLY_VIRTFS) += 9pfs/
+obj-$(CONFIG_NO_PCI) += pci-stub.o
+obj-$(CONFIG_VGA) += vga.o
+obj-$(CONFIG_SOFTMMU) += device-hotplug.o
+obj-$(CONFIG_XEN) += xen_domainbuild.o xen_machine_pv.o
+
+# Inter-VM PCI shared memory
+ifeq ($(CONFIG_PCI), y)
+obj-$(CONFIG_KVM) += ivshmem.o
+endif
diff --git a/hw/alpha/Makefile.objs b/hw/alpha/Makefile.objs
new file mode 100644
index 0000000000..af1c07fa7c
--- /dev/null
+++ b/hw/alpha/Makefile.objs
@@ -0,0 +1,4 @@
+obj-y = mc146818rtc.o
+obj-y += alpha_pci.o alpha_dp264.o alpha_typhoon.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/apic.c b/hw/apic.c
index 4eeaf8801c..5fbf01c278 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -19,6 +19,7 @@
 #include "apic_internal.h"
 #include "apic.h"
 #include "ioapic.h"
+#include "msi.h"
 #include "host-utils.h"
 #include "trace.h"
 #include "pc.h"
@@ -862,6 +863,8 @@ static void apic_init(APICCommonState *s)
 
     s->timer = qemu_new_timer_ns(vm_clock, apic_timer, s);
     local_apics[s->idx] = s;
+
+    msi_supported = true;
 }
 
 static void apic_class_init(ObjectClass *klass, void *data)
diff --git a/hw/arm-misc.h b/hw/arm-misc.h
index 2f46e214cf..1d51570c88 100644
--- a/hw/arm-misc.h
+++ b/hw/arm-misc.h
@@ -16,7 +16,7 @@
 /* The CPU is also modeled as an interrupt controller.  */
 #define ARM_PIC_CPU_IRQ 0
 #define ARM_PIC_CPU_FIQ 1
-qemu_irq *arm_pic_init_cpu(CPUARMState *env);
+qemu_irq *arm_pic_init_cpu(ARMCPU *cpu);
 
 /* armv7m.c */
 qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
@@ -50,16 +50,16 @@ struct arm_boot_info {
      * perform any necessary CPU reset handling and set the PC for thei
      * secondary CPUs to point at this boot blob.
      */
-    void (*write_secondary_boot)(CPUARMState *env,
+    void (*write_secondary_boot)(ARMCPU *cpu,
                                  const struct arm_boot_info *info);
-    void (*secondary_cpu_reset_hook)(CPUARMState *env,
+    void (*secondary_cpu_reset_hook)(ARMCPU *cpu,
                                      const struct arm_boot_info *info);
     /* Used internally by arm_boot.c */
     int is_linux;
     target_phys_addr_t initrd_size;
     target_phys_addr_t entry;
 };
-void arm_load_kernel(CPUARMState *env, struct arm_boot_info *info);
+void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info);
 
 /* Multiplication factor to convert from system clock ticks to qemu timer
    ticks.  */
diff --git a/hw/arm/Makefile.objs b/hw/arm/Makefile.objs
new file mode 100644
index 0000000000..a0ff6a62d6
--- /dev/null
+++ b/hw/arm/Makefile.objs
@@ -0,0 +1,40 @@
+obj-y = integratorcp.o versatilepb.o arm_pic.o arm_timer.o
+obj-y += arm_boot.o pl011.o pl031.o pl050.o pl080.o pl110.o pl181.o pl190.o
+obj-y += versatile_pci.o
+obj-y += versatile_i2c.o
+obj-y += cadence_uart.o
+obj-y += cadence_ttc.o
+obj-y += cadence_gem.o
+obj-y += xilinx_zynq.o zynq_slcr.o
+obj-y += arm_gic.o
+obj-y += realview_gic.o realview.o arm_sysctl.o arm11mpcore.o a9mpcore.o
+obj-y += exynos4210_gic.o exynos4210_combiner.o exynos4210.o
+obj-y += exynos4_boards.o exynos4210_uart.o exynos4210_pwm.o
+obj-y += exynos4210_pmu.o exynos4210_mct.o exynos4210_fimd.o
+obj-y += arm_l2x0.o
+obj-y += arm_mptimer.o a15mpcore.o
+obj-y += armv7m.o armv7m_nvic.o stellaris.o pl022.o stellaris_enet.o
+obj-y += highbank.o
+obj-y += pl061.o
+obj-y += xgmac.o
+obj-y += pxa2xx.o pxa2xx_pic.o pxa2xx_gpio.o pxa2xx_timer.o pxa2xx_dma.o
+obj-y += pxa2xx_lcd.o pxa2xx_mmci.o pxa2xx_pcmcia.o pxa2xx_keypad.o
+obj-y += gumstix.o
+obj-y += zaurus.o ide/microdrive.o spitz.o tosa.o tc6393xb.o
+obj-y += omap1.o omap_lcdc.o omap_dma.o omap_clk.o omap_mmc.o omap_i2c.o \
+                omap_gpio.o omap_intc.o omap_uart.o
+obj-y += omap2.o omap_dss.o soc_dma.o omap_gptimer.o omap_synctimer.o \
+                omap_gpmc.o omap_sdrc.o omap_spi.o omap_tap.o omap_l4.o
+obj-y += omap_sx1.o palm.o tsc210x.o
+obj-y += nseries.o blizzard.o onenand.o cbus.o tusb6010.o usb/hcd-musb.o
+obj-y += mst_fpga.o mainstone.o
+obj-y += z2.o
+obj-y += musicpal.o bitbang_i2c.o marvell_88w8618_audio.o
+obj-y += framebuffer.o
+obj-y += vexpress.o
+obj-y += strongarm.o
+obj-y += collie.o
+obj-y += pl041.o lm4549.o
+obj-$(CONFIG_FDT) += ../device_tree.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/arm_boot.c b/hw/arm_boot.c
index 7447f5c169..d0e643ba11 100644
--- a/hw/arm_boot.c
+++ b/hw/arm_boot.c
@@ -59,7 +59,7 @@ static uint32_t smpboot[] = {
   0           /* bootreg: Boot register address is held here */
 };
 
-static void default_write_secondary(CPUARMState *env,
+static void default_write_secondary(ARMCPU *cpu,
                                     const struct arm_boot_info *info)
 {
     int n;
@@ -72,9 +72,11 @@ static void default_write_secondary(CPUARMState *env,
                        info->smp_loader_start);
 }
 
-static void default_reset_secondary(CPUARMState *env,
+static void default_reset_secondary(ARMCPU *cpu,
                                     const struct arm_boot_info *info)
 {
+    CPUARMState *env = &cpu->env;
+
     stl_phys_notdirty(info->smp_bootreg_addr, 0);
     env->regs[15] = info->smp_loader_start;
 }
@@ -274,10 +276,11 @@ static int load_dtb(target_phys_addr_t addr, const struct arm_boot_info *binfo)
 
 static void do_cpu_reset(void *opaque)
 {
-    CPUARMState *env = opaque;
+    ARMCPU *cpu = opaque;
+    CPUARMState *env = &cpu->env;
     const struct arm_boot_info *info = env->boot_info;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     if (info) {
         if (!info->is_linux) {
             /* Jump to the entry point.  */
@@ -294,14 +297,15 @@ static void do_cpu_reset(void *opaque)
                     }
                 }
             } else {
-                info->secondary_cpu_reset_hook(env, info);
+                info->secondary_cpu_reset_hook(cpu, info);
             }
         }
     }
 }
 
-void arm_load_kernel(CPUARMState *env, struct arm_boot_info *info)
+void arm_load_kernel(ARMCPU *cpu, struct arm_boot_info *info)
 {
+    CPUARMState *env = &cpu->env;
     int kernel_size;
     int initrd_size;
     int n;
@@ -400,13 +404,14 @@ void arm_load_kernel(CPUARMState *env, struct arm_boot_info *info)
         rom_add_blob_fixed("bootloader", bootloader, sizeof(bootloader),
                            info->loader_start);
         if (info->nb_cpus > 1) {
-            info->write_secondary_boot(env, info);
+            info->write_secondary_boot(cpu, info);
         }
     }
     info->is_linux = is_linux;
 
     for (; env; env = env->next_cpu) {
+        cpu = arm_env_get_cpu(env);
         env->boot_info = info;
-        qemu_register_reset(do_cpu_reset, env);
+        qemu_register_reset(do_cpu_reset, cpu);
     }
 }
diff --git a/hw/arm_pic.c b/hw/arm_pic.c
index 109496528c..ffb4d4171a 100644
--- a/hw/arm_pic.c
+++ b/hw/arm_pic.c
@@ -13,7 +13,9 @@
 /* Input 0 is IRQ and input 1 is FIQ.  */
 static void arm_pic_cpu_handler(void *opaque, int irq, int level)
 {
-    CPUARMState *env = (CPUARMState *)opaque;
+    ARMCPU *cpu = opaque;
+    CPUARMState *env = &cpu->env;
+
     switch (irq) {
     case ARM_PIC_CPU_IRQ:
         if (level)
@@ -32,7 +34,7 @@ static void arm_pic_cpu_handler(void *opaque, int irq, int level)
     }
 }
 
-qemu_irq *arm_pic_init_cpu(CPUARMState *env)
+qemu_irq *arm_pic_init_cpu(ARMCPU *cpu)
 {
-    return qemu_allocate_irqs(arm_pic_cpu_handler, env, 2);
+    return qemu_allocate_irqs(arm_pic_cpu_handler, cpu, 2);
 }
diff --git a/hw/armv7m.c b/hw/armv7m.c
index 4aac076e48..8cec78db96 100644
--- a/hw/armv7m.c
+++ b/hw/armv7m.c
@@ -149,7 +149,9 @@ static void armv7m_bitband_init(void)
 
 static void armv7m_reset(void *opaque)
 {
-    cpu_state_reset((CPUARMState *)opaque);
+    ARMCPU *cpu = opaque;
+
+    cpu_reset(CPU(cpu));
 }
 
 /* Init CPU and memory for a v7-M based board.
@@ -160,6 +162,7 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
                       int flash_size, int sram_size,
                       const char *kernel_filename, const char *cpu_model)
 {
+    ARMCPU *cpu;
     CPUARMState *env;
     DeviceState *nvic;
     /* FIXME: make this local state.  */
@@ -177,13 +180,15 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
     flash_size *= 1024;
     sram_size *= 1024;
 
-    if (!cpu_model)
+    if (cpu_model == NULL) {
 	cpu_model = "cortex-m3";
-    env = cpu_init(cpu_model);
-    if (!env) {
+    }
+    cpu = cpu_arm_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
 #if 0
     /* > 32Mb SRAM gets complicated because it overlaps the bitband area.
@@ -210,7 +215,7 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
     nvic = qdev_create(NULL, "armv7m_nvic");
     env->nvic = nvic;
     qdev_init_nofail(nvic);
-    cpu_pic = arm_pic_init_cpu(env);
+    cpu_pic = arm_pic_init_cpu(cpu);
     sysbus_connect_irq(sysbus_from_qdev(nvic), 0, cpu_pic[ARM_PIC_CPU_IRQ]);
     for (i = 0; i < 64; i++) {
         pic[i] = qdev_get_gpio_in(nvic, i);
@@ -241,7 +246,7 @@ qemu_irq *armv7m_init(MemoryRegion *address_space_mem,
     vmstate_register_ram_global(hack);
     memory_region_add_subregion(address_space_mem, 0xfffff000, hack);
 
-    qemu_register_reset(armv7m_reset, env);
+    qemu_register_reset(armv7m_reset, cpu);
     return pic;
 }
 
diff --git a/hw/axis_dev88.c b/hw/axis_dev88.c
index 2304e3533a..eab6327bed 100644
--- a/hw/axis_dev88.c
+++ b/hw/axis_dev88.c
@@ -247,6 +247,7 @@ void axisdev88_init (ram_addr_t ram_size,
                      const char *kernel_filename, const char *kernel_cmdline,
                      const char *initrd_filename, const char *cpu_model)
 {
+    CRISCPU *cpu;
     CPUCRISState *env;
     DeviceState *dev;
     SysBusDevice *s;
@@ -263,7 +264,8 @@ void axisdev88_init (ram_addr_t ram_size,
     if (cpu_model == NULL) {
         cpu_model = "crisv32";
     }
-    env = cpu_init(cpu_model);
+    cpu = cpu_cris_init(cpu_model);
+    env = &cpu->env;
 
     /* allocate RAM */
     memory_region_init_ram(phys_ram, "axisdev88.ram", ram_size);
@@ -344,7 +346,7 @@ void axisdev88_init (ram_addr_t ram_size,
 
     li.image_filename = kernel_filename;
     li.cmdline = kernel_cmdline;
-    cris_load_image(env, &li);
+    cris_load_image(cpu, &li);
 }
 
 static QEMUMachine axisdev88_machine = {
diff --git a/hw/collie.c b/hw/collie.c
index 42f4310816..56f89a9f2e 100644
--- a/hw/collie.c
+++ b/hw/collie.c
@@ -54,7 +54,7 @@ static void collie_init(ram_addr_t ram_size,
     collie_binfo.kernel_cmdline = kernel_cmdline;
     collie_binfo.initrd_filename = initrd_filename;
     collie_binfo.board_id = 0x208;
-    arm_load_kernel(s->env, &collie_binfo);
+    arm_load_kernel(s->cpu, &collie_binfo);
 }
 
 static QEMUMachine collie_machine = {
diff --git a/hw/cris-boot.c b/hw/cris-boot.c
index ca6c52fa8e..b21326fade 100644
--- a/hw/cris-boot.c
+++ b/hw/cris-boot.c
@@ -29,12 +29,13 @@
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUCRISState *env = opaque;
+    CRISCPU *cpu = opaque;
+    CPUCRISState *env = &cpu->env;
     struct cris_load_info *li;
 
     li = env->load_info;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 
     if (!li) {
         /* nothing more to do.  */
@@ -60,8 +61,9 @@ static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
     return addr - 0x80000000LL;
 }
 
-void cris_load_image(CPUCRISState *env, struct cris_load_info *li)
+void cris_load_image(CRISCPU *cpu, struct cris_load_info *li)
 {
+    CPUCRISState *env = &cpu->env;
     uint64_t entry, high;
     int kcmdline_len;
     int image_size;
@@ -92,5 +94,5 @@ void cris_load_image(CPUCRISState *env, struct cris_load_info *li)
         }
         pstrcpy_targphys("cmdline", 0x40000000, 256, li->cmdline);
     }
-    qemu_register_reset(main_cpu_reset, env);
+    qemu_register_reset(main_cpu_reset, cpu);
 }
diff --git a/hw/cris-boot.h b/hw/cris-boot.h
index ecb9779e49..0a2c242411 100644
--- a/hw/cris-boot.h
+++ b/hw/cris-boot.h
@@ -8,4 +8,4 @@ struct cris_load_info
     target_phys_addr_t entry;
 };
 
-void cris_load_image(CPUCRISState *env, struct cris_load_info *li);
+void cris_load_image(CRISCPU *cpu, struct cris_load_info *li);
diff --git a/hw/cris/Makefile.objs b/hw/cris/Makefile.objs
new file mode 100644
index 0000000000..aa9298a0ed
--- /dev/null
+++ b/hw/cris/Makefile.objs
@@ -0,0 +1,13 @@
+# Boards
+obj-y = cris_pic_cpu.o
+obj-y += cris-boot.o
+obj-y += axis_dev88.o
+
+# IO blocks
+obj-y += etraxfs_dma.o
+obj-y += etraxfs_pic.o
+obj-y += etraxfs_eth.o
+obj-y += etraxfs_timer.o
+obj-y += etraxfs_ser.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/exynos4210.c b/hw/exynos4210.c
index afc4bdc7e0..dd14d01b01 100644
--- a/hw/exynos4210.c
+++ b/hw/exynos4210.c
@@ -65,7 +65,7 @@
 static uint8_t chipid_and_omr[] = { 0x11, 0x02, 0x21, 0x43,
                                     0x09, 0x00, 0x00, 0x00 };
 
-void exynos4210_write_secondary(CPUARMState *env,
+void exynos4210_write_secondary(ARMCPU *cpu,
         const struct arm_boot_info *info)
 {
     int n;
@@ -107,13 +107,14 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
     SysBusDevice *busdev;
 
     for (n = 0; n < EXYNOS4210_NCPUS; n++) {
-        s->env[n] = cpu_init("cortex-a9");
-        if (!s->env[n]) {
+        s->cpu[n] = cpu_arm_init("cortex-a9");
+        if (!s->cpu[n]) {
             fprintf(stderr, "Unable to find CPU %d definition\n", n);
             exit(1);
         }
+
         /* Create PIC controller for each processor instance */
-        irqp = arm_pic_init_cpu(s->env[n]);
+        irqp = arm_pic_init_cpu(s->cpu[n]);
 
         /*
          * Get GICs gpio_in cpu_irq to connect a combiner to them later.
diff --git a/hw/exynos4210.h b/hw/exynos4210.h
index f7c7027302..b1b4609054 100644
--- a/hw/exynos4210.h
+++ b/hw/exynos4210.h
@@ -83,7 +83,7 @@ typedef struct Exynos4210Irq {
 } Exynos4210Irq;
 
 typedef struct Exynos4210State {
-    CPUARMState * env[EXYNOS4210_NCPUS];
+    ARMCPU *cpu[EXYNOS4210_NCPUS];
     Exynos4210Irq irqs;
     qemu_irq *irq_table;
 
@@ -97,7 +97,7 @@ typedef struct Exynos4210State {
     MemoryRegion bootreg_mem;
 } Exynos4210State;
 
-void exynos4210_write_secondary(CPUARMState *env,
+void exynos4210_write_secondary(ARMCPU *cpu,
         const struct arm_boot_info *info);
 
 Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
diff --git a/hw/exynos4_boards.c b/hw/exynos4_boards.c
index ea32c51dcc..e5c2a5f388 100644
--- a/hw/exynos4_boards.c
+++ b/hw/exynos4_boards.c
@@ -138,7 +138,7 @@ static void nuri_init(ram_addr_t ram_size,
     exynos4_boards_init_common(kernel_filename, kernel_cmdline,
                 initrd_filename, EXYNOS4_BOARD_NURI);
 
-    arm_load_kernel(first_cpu, &exynos4_board_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 }
 
 static void smdkc210_init(ram_addr_t ram_size,
@@ -151,7 +151,7 @@ static void smdkc210_init(ram_addr_t ram_size,
 
     lan9215_init(SMDK_LAN9118_BASE_ADDR,
             qemu_irq_invert(s->irq_table[exynos4210_get_irq(37, 1)]));
-    arm_load_kernel(first_cpu, &exynos4_board_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &exynos4_board_binfo);
 }
 
 static QEMUMachine exynos4_machines[EXYNOS4_NUM_OF_BOARDS] = {
diff --git a/hw/highbank.c b/hw/highbank.c
index 4d6d728a28..4bdea5df7d 100644
--- a/hw/highbank.c
+++ b/hw/highbank.c
@@ -36,7 +36,7 @@
 
 /* Board init.  */
 
-static void hb_write_secondary(CPUARMState *env, const struct arm_boot_info *info)
+static void hb_write_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
 {
     int n;
     uint32_t smpboot[] = {
@@ -60,8 +60,10 @@ static void hb_write_secondary(CPUARMState *env, const struct arm_boot_info *inf
     rom_add_blob_fixed("smpboot", smpboot, sizeof(smpboot), SMP_BOOT_ADDR);
 }
 
-static void hb_reset_secondary(CPUARMState *env, const struct arm_boot_info *info)
+static void hb_reset_secondary(ARMCPU *cpu, const struct arm_boot_info *info)
 {
+    CPUARMState *env = &cpu->env;
+
     switch (info->nb_cpus) {
     case 4:
         stl_phys_notdirty(SMP_BOOT_REG + 0x30, 0);
@@ -190,7 +192,6 @@ static void highbank_init(ram_addr_t ram_size,
                      const char *kernel_filename, const char *kernel_cmdline,
                      const char *initrd_filename, const char *cpu_model)
 {
-    CPUARMState *env = NULL;
     DeviceState *dev;
     SysBusDevice *busdev;
     qemu_irq *irqp;
@@ -213,10 +214,10 @@ static void highbank_init(ram_addr_t ram_size,
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
-        env = &cpu->env;
+
         /* This will become a QOM property eventually */
         cpu->reset_cbar = GIC_BASE_ADDR;
-        irqp = arm_pic_init_cpu(env);
+        irqp = arm_pic_init_cpu(cpu);
         cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
     }
 
@@ -316,7 +317,7 @@ static void highbank_init(ram_addr_t ram_size,
     highbank_binfo.loader_start = 0;
     highbank_binfo.write_secondary_boot = hb_write_secondary;
     highbank_binfo.secondary_cpu_reset_hook = hb_reset_secondary;
-    arm_load_kernel(first_cpu, &highbank_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &highbank_binfo);
 }
 
 static QEMUMachine highbank_machine = {
diff --git a/hw/i386/Makefile.objs b/hw/i386/Makefile.objs
new file mode 100644
index 0000000000..d43f1df5f0
--- /dev/null
+++ b/hw/i386/Makefile.objs
@@ -0,0 +1,13 @@
+obj-y += mc146818rtc.o pc.o
+obj-y += apic_common.o apic.o kvmvapic.o
+obj-y += sga.o ioapic_common.o ioapic.o piix_pci.o
+obj-y += vmport.o
+obj-y += pci-hotplug.o smbios.o wdt_ib700.o
+obj-y += debugcon.o multiboot.o
+obj-y += pc_piix.o
+obj-y += pc_sysfw.o
+obj-$(CONFIG_XEN) += xen_platform.o xen_apic.o
+obj-$(CONFIG_KVM) += kvm/clock.o kvm/apic.o kvm/i8259.o kvm/ioapic.o kvm/i8254.o
+obj-$(CONFIG_SPICE) += qxl.o qxl-logger.o qxl-render.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/ide/Makefile.objs b/hw/ide/Makefile.objs
new file mode 100644
index 0000000000..cf718dd016
--- /dev/null
+++ b/hw/ide/Makefile.objs
@@ -0,0 +1,10 @@
+hw-obj-$(CONFIG_IDE_CORE) += core.o atapi.o
+hw-obj-$(CONFIG_IDE_QDEV) += qdev.o
+hw-obj-$(CONFIG_IDE_PCI) += pci.o
+hw-obj-$(CONFIG_IDE_ISA) += isa.o
+hw-obj-$(CONFIG_IDE_PIIX) += piix.o
+hw-obj-$(CONFIG_IDE_CMD646) += cmd646.o
+hw-obj-$(CONFIG_IDE_MACIO) += macio.o
+hw-obj-$(CONFIG_IDE_VIA) += via.o
+hw-obj-$(CONFIG_AHCI) += ahci.o
+hw-obj-$(CONFIG_AHCI) += ich.o
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index a883a920be..2d7d03d772 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -462,7 +462,7 @@ static void ahci_check_cmd_bh(void *opaque)
 
 static void ahci_init_d2h(AHCIDevice *ad)
 {
-    uint8_t init_fis[0x20];
+    uint8_t init_fis[20];
     IDEState *ide_state = &ad->port.ifs[0];
 
     memset(init_fis, 0, sizeof(init_fis));
@@ -619,7 +619,7 @@ static void ahci_write_fis_d2h(AHCIDevice *ad, uint8_t *cmd_fis)
     d2h_fis[11] = cmd_fis[11];
     d2h_fis[12] = cmd_fis[12];
     d2h_fis[13] = cmd_fis[13];
-    for (i = 14; i < 0x20; i++) {
+    for (i = 14; i < 20; i++) {
         d2h_fis[i] = 0;
     }
 
diff --git a/hw/integratorcp.c b/hw/integratorcp.c
index 9bdb9e62d6..deacbf4d0d 100644
--- a/hw/integratorcp.c
+++ b/hw/integratorcp.c
@@ -443,7 +443,7 @@ static void integratorcp_init(ram_addr_t ram_size,
                      const char *kernel_filename, const char *kernel_cmdline,
                      const char *initrd_filename, const char *cpu_model)
 {
-    CPUARMState *env;
+    ARMCPU *cpu;
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *ram_alias = g_new(MemoryRegion, 1);
@@ -452,13 +452,15 @@ static void integratorcp_init(ram_addr_t ram_size,
     DeviceState *dev;
     int i;
 
-    if (!cpu_model)
+    if (!cpu_model) {
         cpu_model = "arm926";
-    env = cpu_init(cpu_model);
-    if (!env) {
+    }
+    cpu = cpu_arm_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+
     memory_region_init_ram(ram, "integrator.ram", ram_size);
     vmstate_register_ram_global(ram);
     /* ??? On a real system the first 1Mb is mapped as SSRAM or boot flash.  */
@@ -474,7 +476,7 @@ static void integratorcp_init(ram_addr_t ram_size,
     qdev_init_nofail(dev);
     sysbus_mmio_map((SysBusDevice *)dev, 0, 0x10000000);
 
-    cpu_pic = arm_pic_init_cpu(env);
+    cpu_pic = arm_pic_init_cpu(cpu);
     dev = sysbus_create_varargs("integrator_pic", 0x14000000,
                                 cpu_pic[ARM_PIC_CPU_IRQ],
                                 cpu_pic[ARM_PIC_CPU_FIQ], NULL);
@@ -500,7 +502,7 @@ static void integratorcp_init(ram_addr_t ram_size,
     integrator_binfo.kernel_filename = kernel_filename;
     integrator_binfo.kernel_cmdline = kernel_cmdline;
     integrator_binfo.initrd_filename = initrd_filename;
-    arm_load_kernel(env, &integrator_binfo);
+    arm_load_kernel(cpu, &integrator_binfo);
 }
 
 static QEMUMachine integratorcp_machine = {
diff --git a/hw/kvm/apic.c b/hw/kvm/apic.c
index ffe7a521b7..8ba4079025 100644
--- a/hw/kvm/apic.c
+++ b/hw/kvm/apic.c
@@ -10,6 +10,7 @@
  * See the COPYING file in the top-level directory.
  */
 #include "hw/apic_internal.h"
+#include "hw/msi.h"
 #include "kvm.h"
 
 static inline void kvm_apic_set_reg(struct kvm_lapic_state *kapic,
@@ -145,10 +146,39 @@ static void kvm_apic_external_nmi(APICCommonState *s)
     run_on_cpu(s->cpu_env, do_inject_external_nmi, s);
 }
 
+static uint64_t kvm_apic_mem_read(void *opaque, target_phys_addr_t addr,
+                                  unsigned size)
+{
+    return ~(uint64_t)0;
+}
+
+static void kvm_apic_mem_write(void *opaque, target_phys_addr_t addr,
+                               uint64_t data, unsigned size)
+{
+    MSIMessage msg = { .address = addr, .data = data };
+    int ret;
+
+    ret = kvm_irqchip_send_msi(kvm_state, msg);
+    if (ret < 0) {
+        fprintf(stderr, "KVM: injection failed, MSI lost (%s)\n",
+                strerror(-ret));
+    }
+}
+
+static const MemoryRegionOps kvm_apic_io_ops = {
+    .read = kvm_apic_mem_read,
+    .write = kvm_apic_mem_write,
+    .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
 static void kvm_apic_init(APICCommonState *s)
 {
-    memory_region_init_reservation(&s->io_memory, "kvm-apic-msi",
-                                   MSI_SPACE_SIZE);
+    memory_region_init_io(&s->io_memory, &kvm_apic_io_ops, s, "kvm-apic-msi",
+                          MSI_SPACE_SIZE);
+
+    if (kvm_has_gsi_routing()) {
+        msi_supported = true;
+    }
 }
 
 static void kvm_apic_class_init(ObjectClass *klass, void *data)
diff --git a/hw/leon3.c b/hw/leon3.c
index 0a5ff165a1..878d3aa557 100644
--- a/hw/leon3.c
+++ b/hw/leon3.c
@@ -42,16 +42,16 @@
 #define MAX_PILS 16
 
 typedef struct ResetData {
-    CPUSPARCState *env;
+    SPARCCPU *cpu;
     uint32_t  entry;            /* save kernel entry in case of reset */
 } ResetData;
 
 static void main_cpu_reset(void *opaque)
 {
     ResetData *s   = (ResetData *)opaque;
-    CPUSPARCState  *env = s->env;
+    CPUSPARCState  *env = &s->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(s->cpu));
 
     env->halted = 0;
     env->pc     = s->entry;
@@ -101,6 +101,7 @@ static void leon3_generic_hw_init(ram_addr_t  ram_size,
                                   const char *initrd_filename,
                                   const char *cpu_model)
 {
+    SPARCCPU *cpu;
     CPUSPARCState   *env;
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
@@ -117,17 +118,18 @@ static void leon3_generic_hw_init(ram_addr_t  ram_size,
         cpu_model = "LEON3";
     }
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_sparc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
     cpu_sparc_set_id(env, 0);
 
     /* Reset data */
     reset_info        = g_malloc0(sizeof(ResetData));
-    reset_info->env   = env;
+    reset_info->cpu   = cpu;
     qemu_register_reset(main_cpu_reset, reset_info);
 
     /* Allocate IRQ manager */
diff --git a/hw/lm32/Makefile.objs b/hw/lm32/Makefile.objs
new file mode 100644
index 0000000000..4e1843c11d
--- /dev/null
+++ b/hw/lm32/Makefile.objs
@@ -0,0 +1,23 @@
+# LM32 boards
+obj-y += lm32_boards.o
+obj-y += milkymist.o
+
+# LM32 peripherals
+obj-y += lm32_pic.o
+obj-y += lm32_juart.o
+obj-y += lm32_timer.o
+obj-y += lm32_uart.o
+obj-y += lm32_sys.o
+obj-y += milkymist-ac97.o
+obj-y += milkymist-hpdmc.o
+obj-y += milkymist-memcard.o
+obj-y += milkymist-minimac2.o
+obj-y += milkymist-pfpu.o
+obj-y += milkymist-softusb.o
+obj-y += milkymist-sysctl.o
+obj-$(CONFIG_OPENGL) += milkymist-tmu2.o
+obj-y += milkymist-uart.o
+obj-y += milkymist-vgafb.o
+obj-y += framebuffer.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/lm32_boards.c b/hw/lm32_boards.c
index 4dd4f0ab90..b76d8008be 100644
--- a/hw/lm32_boards.c
+++ b/hw/lm32_boards.c
@@ -31,7 +31,7 @@
 #include "exec-memory.h"
 
 typedef struct {
-    CPULM32State *env;
+    LM32CPU *cpu;
     target_phys_addr_t bootstrap_pc;
     target_phys_addr_t flash_base;
     target_phys_addr_t hwsetup_base;
@@ -54,9 +54,9 @@ static void cpu_irq_handler(void *opaque, int irq, int level)
 static void main_cpu_reset(void *opaque)
 {
     ResetInfo *reset_info = opaque;
-    CPULM32State *env = reset_info->env;
+    CPULM32State *env = &reset_info->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(reset_info->cpu));
 
     /* init defaults */
     env->pc = (uint32_t)reset_info->bootstrap_pc;
@@ -75,6 +75,7 @@ static void lm32_evr_init(ram_addr_t ram_size_not_used,
                           const char *kernel_cmdline,
                           const char *initrd_filename, const char *cpu_model)
 {
+    LM32CPU *cpu;
     CPULM32State *env;
     DriveInfo *dinfo;
     MemoryRegion *address_space_mem =  get_system_memory();
@@ -101,8 +102,9 @@ static void lm32_evr_init(ram_addr_t ram_size_not_used,
     if (cpu_model == NULL) {
         cpu_model = "lm32-full";
     }
-    env = cpu_init(cpu_model);
-    reset_info->env = env;
+    cpu = cpu_lm32_init(cpu_model);
+    env = &cpu->env;
+    reset_info->cpu = cpu;
 
     reset_info->flash_base = flash_base;
 
@@ -163,6 +165,7 @@ static void lm32_uclinux_init(ram_addr_t ram_size_not_used,
                           const char *kernel_cmdline,
                           const char *initrd_filename, const char *cpu_model)
 {
+    LM32CPU *cpu;
     CPULM32State *env;
     DriveInfo *dinfo;
     MemoryRegion *address_space_mem =  get_system_memory();
@@ -196,8 +199,9 @@ static void lm32_uclinux_init(ram_addr_t ram_size_not_used,
     if (cpu_model == NULL) {
         cpu_model = "lm32-full";
     }
-    env = cpu_init(cpu_model);
-    reset_info->env = env;
+    cpu = cpu_lm32_init(cpu_model);
+    env = &cpu->env;
+    reset_info->cpu = cpu;
 
     reset_info->flash_base = flash_base;
 
diff --git a/hw/m68k/Makefile.objs b/hw/m68k/Makefile.objs
new file mode 100644
index 0000000000..93b6d25baf
--- /dev/null
+++ b/hw/m68k/Makefile.objs
@@ -0,0 +1,4 @@
+obj-y = an5206.o mcf5206.o mcf_uart.o mcf_intc.o mcf5208.o mcf_fec.o
+obj-y += dummy_m68k.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/mainstone.c b/hw/mainstone.c
index 27f59009f6..97687b6eeb 100644
--- a/hw/mainstone.c
+++ b/hw/mainstone.c
@@ -102,7 +102,7 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
 {
     uint32_t sector_len = 256 * 1024;
     target_phys_addr_t mainstone_flash_base[] = { MST_FLASH_0, MST_FLASH_1 };
-    PXA2xxState *cpu;
+    PXA2xxState *mpu;
     DeviceState *mst_irq;
     DriveInfo *dinfo;
     int i;
@@ -113,7 +113,7 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
         cpu_model = "pxa270-c5";
 
     /* Setup CPU & memory */
-    cpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model);
+    mpu = pxa270_init(address_space_mem, mainstone_binfo.ram_size, cpu_model);
     memory_region_init_ram(rom, "mainstone.rom", MAINSTONE_ROM);
     vmstate_register_ram_global(rom);
     memory_region_set_readonly(rom, true);
@@ -145,19 +145,19 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
     }
 
     mst_irq = sysbus_create_simple("mainstone-fpga", MST_FPGA_PHYS,
-                    qdev_get_gpio_in(cpu->gpio, 0));
+                    qdev_get_gpio_in(mpu->gpio, 0));
 
     /* setup keypad */
     printf("map addr %p\n", &map);
-    pxa27x_register_keypad(cpu->kp, map, 0xe0);
+    pxa27x_register_keypad(mpu->kp, map, 0xe0);
 
     /* MMC/SD host */
-    pxa2xx_mmci_handlers(cpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
+    pxa2xx_mmci_handlers(mpu->mmc, NULL, qdev_get_gpio_in(mst_irq, MMC_IRQ));
 
-    pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
+    pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[0],
             qdev_get_gpio_in(mst_irq, S0_IRQ),
             qdev_get_gpio_in(mst_irq, S0_CD_IRQ));
-    pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
+    pxa2xx_pcmcia_set_irq_cb(mpu->pcmcia[1],
             qdev_get_gpio_in(mst_irq, S1_IRQ),
             qdev_get_gpio_in(mst_irq, S1_CD_IRQ));
 
@@ -168,7 +168,7 @@ static void mainstone_common_init(MemoryRegion *address_space_mem,
     mainstone_binfo.kernel_cmdline = kernel_cmdline;
     mainstone_binfo.initrd_filename = initrd_filename;
     mainstone_binfo.board_id = arm_id;
-    arm_load_kernel(cpu->env, &mainstone_binfo);
+    arm_load_kernel(mpu->cpu, &mainstone_binfo);
 }
 
 static void mainstone_init(ram_addr_t ram_size,
diff --git a/hw/mc146818rtc.c b/hw/mc146818rtc.c
index 9c64e0ae25..3777f858a1 100644
--- a/hw/mc146818rtc.c
+++ b/hw/mc146818rtc.c
@@ -599,13 +599,6 @@ static const MemoryRegionOps cmos_ops = {
     .old_portio = cmos_portio
 };
 
-// FIXME add int32 visitor
-static void visit_type_int32(Visitor *v, int *value, const char *name, Error **errp)
-{
-    int64_t val = *value;
-    visit_type_int(v, &val, name, errp);
-}
-
 static void rtc_get_date(Object *obj, Visitor *v, void *opaque,
                          const char *name, Error **errp)
 {
diff --git a/hw/microblaze/Makefile.objs b/hw/microblaze/Makefile.objs
new file mode 100644
index 0000000000..020f7b6e9b
--- /dev/null
+++ b/hw/microblaze/Makefile.objs
@@ -0,0 +1,14 @@
+obj-y = petalogix_s3adsp1800_mmu.o
+obj-y += petalogix_ml605_mmu.o
+obj-y += microblaze_boot.o
+
+obj-y += microblaze_pic_cpu.o
+obj-y += xilinx_intc.o
+obj-y += xilinx_timer.o
+obj-y += xilinx_uartlite.o
+obj-y += xilinx_ethlite.o
+obj-y += xilinx_axidma.o
+obj-y += xilinx_axienet.o
+obj-$(CONFIG_FDT) += ../device_tree.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/microblaze_boot.c b/hw/microblaze_boot.c
index b4fbb10dd0..1030e9c8ed 100644
--- a/hw/microblaze_boot.c
+++ b/hw/microblaze_boot.c
@@ -35,7 +35,7 @@
 
 static struct
 {
-    void (*machine_cpu_reset)(CPUMBState *);
+    void (*machine_cpu_reset)(MicroBlazeCPU *);
     uint32_t bootstrap_pc;
     uint32_t cmdline;
     uint32_t fdt;
@@ -43,14 +43,15 @@ static struct
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUMBState *env = opaque;
+    MicroBlazeCPU *cpu = opaque;
+    CPUMBState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     env->regs[5] = boot_info.cmdline;
     env->regs[7] = boot_info.fdt;
     env->sregs[SR_PC] = boot_info.bootstrap_pc;
     if (boot_info.machine_cpu_reset) {
-        boot_info.machine_cpu_reset(env);
+        boot_info.machine_cpu_reset(cpu);
     }
 }
 
@@ -99,11 +100,10 @@ static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
     return addr - 0x30000000LL;
 }
 
-void microblaze_load_kernel(CPUMBState *env, target_phys_addr_t ddr_base,
+void microblaze_load_kernel(MicroBlazeCPU *cpu, target_phys_addr_t ddr_base,
                             uint32_t ramsize, const char *dtb_filename,
-                                  void (*machine_cpu_reset)(CPUMBState *))
+                            void (*machine_cpu_reset)(MicroBlazeCPU *))
 {
-
     QemuOpts *machine_opts;
     const char *kernel_filename = NULL;
     const char *kernel_cmdline = NULL;
@@ -122,7 +122,7 @@ void microblaze_load_kernel(CPUMBState *env, target_phys_addr_t ddr_base,
     }
 
     boot_info.machine_cpu_reset = machine_cpu_reset;
-    qemu_register_reset(main_cpu_reset, env);
+    qemu_register_reset(main_cpu_reset, cpu);
 
     if (kernel_filename) {
         int kernel_size;
diff --git a/hw/microblaze_boot.h b/hw/microblaze_boot.h
index bf9d136f12..c9a3064d27 100644
--- a/hw/microblaze_boot.h
+++ b/hw/microblaze_boot.h
@@ -3,8 +3,8 @@
 
 #include "hw.h"
 
-void microblaze_load_kernel(CPUMBState *env, target_phys_addr_t ddr_base,
+void microblaze_load_kernel(MicroBlazeCPU *cpu, target_phys_addr_t ddr_base,
                             uint32_t ramsize, const char *dtb_filename,
-                                  void (*machine_cpu_reset)(CPUMBState *));
+                            void (*machine_cpu_reset)(MicroBlazeCPU *));
 
 #endif /* __MICROBLAZE_BOOT __ */
diff --git a/hw/milkymist.c b/hw/milkymist.c
index 8bb6a97b22..2e7235b4b3 100644
--- a/hw/milkymist.c
+++ b/hw/milkymist.c
@@ -37,7 +37,7 @@
 #define KERNEL_LOAD_ADDR 0x40000000
 
 typedef struct {
-    CPULM32State *env;
+    LM32CPU *cpu;
     target_phys_addr_t bootstrap_pc;
     target_phys_addr_t flash_base;
     target_phys_addr_t initrd_base;
@@ -59,9 +59,9 @@ static void cpu_irq_handler(void *opaque, int irq, int level)
 static void main_cpu_reset(void *opaque)
 {
     ResetInfo *reset_info = opaque;
-    CPULM32State *env = reset_info->env;
+    CPULM32State *env = &reset_info->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(reset_info->cpu));
 
     /* init defaults */
     env->pc = reset_info->bootstrap_pc;
@@ -79,6 +79,7 @@ milkymist_init(ram_addr_t ram_size_not_used,
                           const char *kernel_cmdline,
                           const char *initrd_filename, const char *cpu_model)
 {
+    LM32CPU *cpu;
     CPULM32State *env;
     int kernel_size;
     DriveInfo *dinfo;
@@ -105,8 +106,9 @@ milkymist_init(ram_addr_t ram_size_not_used,
     if (cpu_model == NULL) {
         cpu_model = "lm32-full";
     }
-    env = cpu_init(cpu_model);
-    reset_info->env = env;
+    cpu = cpu_lm32_init(cpu_model);
+    env = &cpu->env;
+    reset_info->cpu = cpu;
 
     cpu_lm32_set_phys_msb_ignore(env, 1);
 
diff --git a/hw/mips/Makefile.objs b/hw/mips/Makefile.objs
new file mode 100644
index 0000000000..29a5d0db04
--- /dev/null
+++ b/hw/mips/Makefile.objs
@@ -0,0 +1,6 @@
+obj-y = mips_r4k.o mips_jazz.o mips_malta.o mips_mipssim.o
+obj-y += mips_addr.o mips_timer.o mips_int.o
+obj-y += gt64xxx.o mc146818rtc.o
+obj-$(CONFIG_FULONG) += bonito.o vt82c686.o mips_fulong2e.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/mips_fulong2e.c b/hw/mips_fulong2e.c
index 1a8df10429..38e4b86150 100644
--- a/hw/mips_fulong2e.c
+++ b/hw/mips_fulong2e.c
@@ -198,9 +198,10 @@ static void write_bootloader (CPUMIPSState *env, uint8_t *base, int64_t kernel_a
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUMIPSState *env = opaque;
+    MIPSCPU *cpu = opaque;
+    CPUMIPSState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     /* TODO: 2E reset stuff */
     if (loaderparams.kernel_filename) {
         env->CP0_Status &= ~((1 << CP0St_BEV) | (1 << CP0St_ERL));
@@ -272,19 +273,21 @@ static void mips_fulong2e_init(ram_addr_t ram_size, const char *boot_device,
     i2c_bus *smbus;
     int i;
     DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
+    MIPSCPU *cpu;
     CPUMIPSState *env;
 
     /* init CPUs */
     if (cpu_model == NULL) {
         cpu_model = "Loongson-2E";
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_mips_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
-    qemu_register_reset(main_cpu_reset, env);
+    qemu_register_reset(main_cpu_reset, cpu);
 
     /* fulong 2e has 256M ram. */
     ram_size = 256 * 1024 * 1024;
diff --git a/hw/mips_jazz.c b/hw/mips_jazz.c
index a6bc7badff..bf1b799c4d 100644
--- a/hw/mips_jazz.c
+++ b/hw/mips_jazz.c
@@ -50,8 +50,9 @@ enum jazz_model_e
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUMIPSState *env = opaque;
-    cpu_state_reset(env);
+    MIPSCPU *cpu = opaque;
+
+    cpu_reset(CPU(cpu));
 }
 
 static uint64_t rtc_read(void *opaque, target_phys_addr_t addr, unsigned size)
@@ -112,6 +113,7 @@ static void mips_jazz_init(MemoryRegion *address_space,
 {
     char *filename;
     int bios_size, n;
+    MIPSCPU *cpu;
     CPUMIPSState *env;
     qemu_irq *rc4030, *i8259;
     rc4030_dma *dmas;
@@ -140,12 +142,13 @@ static void mips_jazz_init(MemoryRegion *address_space,
         cpu_model = "24Kf";
 #endif
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_mips_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    qemu_register_reset(main_cpu_reset, env);
+    env = &cpu->env;
+    qemu_register_reset(main_cpu_reset, cpu);
 
     /* allocate RAM */
     memory_region_init_ram(ram, "mips_jazz.ram", ram_size);
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index 4752bb2865..dfd7b6b113 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -751,8 +751,10 @@ static void malta_mips_config(CPUMIPSState *env)
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUMIPSState *env = opaque;
-    cpu_state_reset(env);
+    MIPSCPU *cpu = opaque;
+    CPUMIPSState *env = &cpu->env;
+
+    cpu_reset(CPU(cpu));
 
     /* The bootloader does not need to be rewritten as it is located in a
        read only location. The kernel location and the arguments table
@@ -788,6 +790,7 @@ void mips_malta_init (ram_addr_t ram_size,
     int64_t kernel_entry;
     PCIBus *pci_bus;
     ISABus *isa_bus;
+    MIPSCPU *cpu;
     CPUMIPSState *env;
     qemu_irq *isa_irq;
     qemu_irq *cpu_exit_irq;
@@ -825,15 +828,17 @@ void mips_malta_init (ram_addr_t ram_size,
     }
 
     for (i = 0; i < smp_cpus; i++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_mips_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         /* Init internal devices */
         cpu_mips_irq_init_cpu(env);
         cpu_mips_clock_init(env);
-        qemu_register_reset(main_cpu_reset, env);
+        qemu_register_reset(main_cpu_reset, cpu);
     }
     env = first_cpu;
 
diff --git a/hw/mips_mipssim.c b/hw/mips_mipssim.c
index 1ea7b58323..eb03047433 100644
--- a/hw/mips_mipssim.c
+++ b/hw/mips_mipssim.c
@@ -46,7 +46,7 @@ static struct _loaderparams {
 } loaderparams;
 
 typedef struct ResetData {
-    CPUMIPSState *env;
+    MIPSCPU *cpu;
     uint64_t vector;
 } ResetData;
 
@@ -105,9 +105,9 @@ static int64_t load_kernel(void)
 static void main_cpu_reset(void *opaque)
 {
     ResetData *s = (ResetData *)opaque;
-    CPUMIPSState *env = s->env;
+    CPUMIPSState *env = &s->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(s->cpu));
     env->active_tc.PC = s->vector & ~(target_ulong)1;
     if (s->vector & 1) {
         env->hflags |= MIPS_HFLAG_M16;
@@ -140,6 +140,7 @@ mips_mipssim_init (ram_addr_t ram_size,
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *bios = g_new(MemoryRegion, 1);
+    MIPSCPU *cpu;
     CPUMIPSState *env;
     ResetData *reset_info;
     int bios_size;
@@ -152,13 +153,15 @@ mips_mipssim_init (ram_addr_t ram_size,
         cpu_model = "24Kf";
 #endif
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_mips_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
+
     reset_info = g_malloc0(sizeof(ResetData));
-    reset_info->env = env;
+    reset_info->cpu = cpu;
     reset_info->vector = env->active_tc.PC;
     qemu_register_reset(main_cpu_reset, reset_info);
 
diff --git a/hw/mips_r4k.c b/hw/mips_r4k.c
index e2da49c09d..d68599965a 100644
--- a/hw/mips_r4k.c
+++ b/hw/mips_r4k.c
@@ -65,7 +65,7 @@ static const MemoryRegionOps mips_qemu_ops = {
 };
 
 typedef struct ResetData {
-    CPUMIPSState *env;
+    MIPSCPU *cpu;
     uint64_t vector;
 } ResetData;
 
@@ -143,9 +143,9 @@ static int64_t load_kernel(void)
 static void main_cpu_reset(void *opaque)
 {
     ResetData *s = (ResetData *)opaque;
-    CPUMIPSState *env = s->env;
+    CPUMIPSState *env = &s->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(s->cpu));
     env->active_tc.PC = s->vector;
 }
 
@@ -162,6 +162,7 @@ void mips_r4k_init (ram_addr_t ram_size,
     MemoryRegion *bios;
     MemoryRegion *iomem = g_new(MemoryRegion, 1);
     int bios_size;
+    MIPSCPU *cpu;
     CPUMIPSState *env;
     ResetData *reset_info;
     int i;
@@ -179,13 +180,15 @@ void mips_r4k_init (ram_addr_t ram_size,
         cpu_model = "24Kf";
 #endif
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_mips_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
+
     reset_info = g_malloc0(sizeof(ResetData));
-    reset_info->env = env;
+    reset_info->cpu = cpu;
     reset_info->vector = env->active_tc.PC;
     qemu_register_reset(main_cpu_reset, reset_info);
 
diff --git a/hw/msi.h b/hw/msi.h
index 3040bb0b43..75747abc25 100644
--- a/hw/msi.h
+++ b/hw/msi.h
@@ -24,6 +24,11 @@
 #include "qemu-common.h"
 #include "pci.h"
 
+struct MSIMessage {
+    uint64_t address;
+    uint32_t data;
+};
+
 extern bool msi_supported;
 
 bool msi_enabled(const PCIDevice *dev);
diff --git a/hw/msix.c b/hw/msix.c
index 3835eaaf28..59c7a8388f 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -35,6 +35,15 @@
 #define MSIX_PAGE_PENDING (MSIX_PAGE_SIZE / 2)
 #define MSIX_MAX_ENTRIES 32
 
+static MSIMessage msix_get_message(PCIDevice *dev, unsigned vector)
+{
+    uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
+    MSIMessage msg;
+
+    msg.address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
+    msg.data = pci_get_long(table_entry + PCI_MSIX_ENTRY_DATA);
+    return msg;
+}
 
 /* Add MSI-X capability to the config space for the device. */
 /* Given a bar and its size, add MSI-X table on top of it
@@ -130,13 +139,34 @@ static bool msix_is_masked(PCIDevice *dev, int vector)
     return msix_vector_masked(dev, vector, dev->msix_function_masked);
 }
 
+static void msix_fire_vector_notifier(PCIDevice *dev,
+                                      unsigned int vector, bool is_masked)
+{
+    MSIMessage msg;
+    int ret;
+
+    if (!dev->msix_vector_use_notifier) {
+        return;
+    }
+    if (is_masked) {
+        dev->msix_vector_release_notifier(dev, vector);
+    } else {
+        msg = msix_get_message(dev, vector);
+        ret = dev->msix_vector_use_notifier(dev, vector, msg);
+        assert(ret >= 0);
+    }
+}
+
 static void msix_handle_mask_update(PCIDevice *dev, int vector, bool was_masked)
 {
     bool is_masked = msix_is_masked(dev, vector);
+
     if (is_masked == was_masked) {
         return;
     }
 
+    msix_fire_vector_notifier(dev, vector, is_masked);
+
     if (!is_masked && msix_is_pending(dev, vector)) {
         msix_clr_pending(dev, vector);
         msix_notify(dev, vector);
@@ -222,10 +252,14 @@ static void msix_mmio_setup(PCIDevice *d, MemoryRegion *bar)
 static void msix_mask_all(struct PCIDevice *dev, unsigned nentries)
 {
     int vector;
+
     for (vector = 0; vector < nentries; ++vector) {
         unsigned offset =
             vector * PCI_MSIX_ENTRY_SIZE + PCI_MSIX_ENTRY_VECTOR_CTRL;
+        bool was_masked = msix_is_masked(dev, vector);
+
         dev->msix_table_page[offset] |= PCI_MSIX_ENTRY_CTRL_MASKBIT;
+        msix_handle_mask_update(dev, vector, was_masked);
     }
 }
 
@@ -317,6 +351,7 @@ void msix_save(PCIDevice *dev, QEMUFile *f)
 void msix_load(PCIDevice *dev, QEMUFile *f)
 {
     unsigned n = dev->msix_entries_nr;
+    unsigned int vector;
 
     if (!(dev->cap_present & QEMU_PCI_CAP_MSIX)) {
         return;
@@ -326,6 +361,10 @@ void msix_load(PCIDevice *dev, QEMUFile *f)
     qemu_get_buffer(f, dev->msix_table_page, n * PCI_MSIX_ENTRY_SIZE);
     qemu_get_buffer(f, dev->msix_table_page + MSIX_PAGE_PENDING, (n + 7) / 8);
     msix_update_function_masked(dev);
+
+    for (vector = 0; vector < n; vector++) {
+        msix_handle_mask_update(dev, vector, true);
+    }
 }
 
 /* Does device support MSI-X? */
@@ -352,9 +391,7 @@ uint32_t msix_bar_size(PCIDevice *dev)
 /* Send an MSI-X message */
 void msix_notify(PCIDevice *dev, unsigned vector)
 {
-    uint8_t *table_entry = dev->msix_table_page + vector * PCI_MSIX_ENTRY_SIZE;
-    uint64_t address;
-    uint32_t data;
+    MSIMessage msg;
 
     if (vector >= dev->msix_entries_nr || !dev->msix_entry_used[vector])
         return;
@@ -363,9 +400,9 @@ void msix_notify(PCIDevice *dev, unsigned vector)
         return;
     }
 
-    address = pci_get_quad(table_entry + PCI_MSIX_ENTRY_LOWER_ADDR);
-    data = pci_get_long(table_entry + PCI_MSIX_ENTRY_DATA);
-    stl_le_phys(address, data);
+    msg = msix_get_message(dev, vector);
+
+    stl_le_phys(msg.address, msg.data);
 }
 
 void msix_reset(PCIDevice *dev)
@@ -414,3 +451,75 @@ void msix_unuse_all_vectors(PCIDevice *dev)
         return;
     msix_free_irq_entries(dev);
 }
+
+unsigned int msix_nr_vectors_allocated(const PCIDevice *dev)
+{
+    return dev->msix_entries_nr;
+}
+
+static int msix_set_notifier_for_vector(PCIDevice *dev, unsigned int vector)
+{
+    MSIMessage msg;
+
+    if (msix_is_masked(dev, vector)) {
+        return 0;
+    }
+    msg = msix_get_message(dev, vector);
+    return dev->msix_vector_use_notifier(dev, vector, msg);
+}
+
+static void msix_unset_notifier_for_vector(PCIDevice *dev, unsigned int vector)
+{
+    if (msix_is_masked(dev, vector)) {
+        return;
+    }
+    dev->msix_vector_release_notifier(dev, vector);
+}
+
+int msix_set_vector_notifiers(PCIDevice *dev,
+                              MSIVectorUseNotifier use_notifier,
+                              MSIVectorReleaseNotifier release_notifier)
+{
+    int vector, ret;
+
+    assert(use_notifier && release_notifier);
+
+    dev->msix_vector_use_notifier = use_notifier;
+    dev->msix_vector_release_notifier = release_notifier;
+
+    if ((dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &
+        (MSIX_ENABLE_MASK | MSIX_MASKALL_MASK)) == MSIX_ENABLE_MASK) {
+        for (vector = 0; vector < dev->msix_entries_nr; vector++) {
+            ret = msix_set_notifier_for_vector(dev, vector);
+            if (ret < 0) {
+                goto undo;
+            }
+        }
+    }
+    return 0;
+
+undo:
+    while (--vector >= 0) {
+        msix_unset_notifier_for_vector(dev, vector);
+    }
+    dev->msix_vector_use_notifier = NULL;
+    dev->msix_vector_release_notifier = NULL;
+    return ret;
+}
+
+void msix_unset_vector_notifiers(PCIDevice *dev)
+{
+    int vector;
+
+    assert(dev->msix_vector_use_notifier &&
+           dev->msix_vector_release_notifier);
+
+    if ((dev->config[dev->msix_cap + MSIX_CONTROL_OFFSET] &
+        (MSIX_ENABLE_MASK | MSIX_MASKALL_MASK)) == MSIX_ENABLE_MASK) {
+        for (vector = 0; vector < dev->msix_entries_nr; vector++) {
+            msix_unset_notifier_for_vector(dev, vector);
+        }
+    }
+    dev->msix_vector_use_notifier = NULL;
+    dev->msix_vector_release_notifier = NULL;
+}
diff --git a/hw/msix.h b/hw/msix.h
index 5aba22b858..50aee8221a 100644
--- a/hw/msix.h
+++ b/hw/msix.h
@@ -13,6 +13,8 @@ void msix_write_config(PCIDevice *pci_dev, uint32_t address,
 
 int msix_uninit(PCIDevice *d, MemoryRegion *bar);
 
+unsigned int msix_nr_vectors_allocated(const PCIDevice *dev);
+
 void msix_save(PCIDevice *dev, QEMUFile *f);
 void msix_load(PCIDevice *dev, QEMUFile *f);
 
@@ -29,4 +31,8 @@ void msix_notify(PCIDevice *dev, unsigned vector);
 
 void msix_reset(PCIDevice *dev);
 
+int msix_set_vector_notifiers(PCIDevice *dev,
+                              MSIVectorUseNotifier use_notifier,
+                              MSIVectorReleaseNotifier release_notifier);
+void msix_unset_vector_notifiers(PCIDevice *dev);
 #endif
diff --git a/hw/musicpal.c b/hw/musicpal.c
index c9f845a3f2..f14f20d689 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -1513,7 +1513,7 @@ static void musicpal_init(ram_addr_t ram_size,
                const char *kernel_filename, const char *kernel_cmdline,
                const char *initrd_filename, const char *cpu_model)
 {
-    CPUARMState *env;
+    ARMCPU *cpu;
     qemu_irq *cpu_pic;
     qemu_irq pic[32];
     DeviceState *dev;
@@ -1533,12 +1533,12 @@ static void musicpal_init(ram_addr_t ram_size,
     if (!cpu_model) {
         cpu_model = "arm926";
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_arm_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    cpu_pic = arm_pic_init_cpu(env);
+    cpu_pic = arm_pic_init_cpu(cpu);
 
     /* For now we use a fixed - the original - RAM size */
     memory_region_init_ram(ram, "musicpal.ram", MP_RAM_DEFAULT_SIZE);
@@ -1651,7 +1651,7 @@ static void musicpal_init(ram_addr_t ram_size,
     musicpal_binfo.kernel_filename = kernel_filename;
     musicpal_binfo.kernel_cmdline = kernel_cmdline;
     musicpal_binfo.initrd_filename = initrd_filename;
-    arm_load_kernel(env, &musicpal_binfo);
+    arm_load_kernel(cpu, &musicpal_binfo);
 }
 
 static QEMUMachine musicpal_machine = {
diff --git a/hw/nseries.c b/hw/nseries.c
index a5cfa8ccbc..fcc85466e7 100644
--- a/hw/nseries.c
+++ b/hw/nseries.c
@@ -37,7 +37,7 @@
 
 /* Nokia N8x0 support */
 struct n800_s {
-    struct omap_mpu_state_s *cpu;
+    struct omap_mpu_state_s *mpu;
 
     struct rfbi_chip_s blizzard;
     struct {
@@ -135,10 +135,10 @@ static void n800_mmc_cs_cb(void *opaque, int line, int level)
 
 static void n8x0_gpio_setup(struct n800_s *s)
 {
-    qemu_irq *mmc_cs = qemu_allocate_irqs(n800_mmc_cs_cb, s->cpu->mmc, 1);
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_MMC_CS_GPIO, mmc_cs[0]);
+    qemu_irq *mmc_cs = qemu_allocate_irqs(n800_mmc_cs_cb, s->mpu->mmc, 1);
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_MMC_CS_GPIO, mmc_cs[0]);
 
-    qemu_irq_lower(qdev_get_gpio_in(s->cpu->gpio, N800_BAT_COVER_GPIO));
+    qemu_irq_lower(qdev_get_gpio_in(s->mpu->gpio, N800_BAT_COVER_GPIO));
 }
 
 #define MAEMO_CAL_HEADER(...)				\
@@ -179,8 +179,8 @@ static void n8x0_nand_setup(struct n800_s *s)
     }
     qdev_init_nofail(s->nand);
     sysbus_connect_irq(sysbus_from_qdev(s->nand), 0,
-                       qdev_get_gpio_in(s->cpu->gpio, N8X0_ONENAND_GPIO));
-    omap_gpmc_attach(s->cpu->gpmc, N8X0_ONENAND_CS,
+                       qdev_get_gpio_in(s->mpu->gpio, N8X0_ONENAND_GPIO));
+    omap_gpmc_attach(s->mpu->gpmc, N8X0_ONENAND_CS,
                      sysbus_mmio_get_region(sysbus_from_qdev(s->nand), 0));
     otp_region = onenand_raw_otp(s->nand);
 
@@ -192,13 +192,13 @@ static void n8x0_nand_setup(struct n800_s *s)
 static void n8x0_i2c_setup(struct n800_s *s)
 {
     DeviceState *dev;
-    qemu_irq tmp_irq = qdev_get_gpio_in(s->cpu->gpio, N8X0_TMP105_GPIO);
-    i2c_bus *i2c = omap_i2c_bus(s->cpu->i2c[0]);
+    qemu_irq tmp_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TMP105_GPIO);
+    i2c_bus *i2c = omap_i2c_bus(s->mpu->i2c[0]);
 
     /* Attach a menelaus PM chip */
     dev = i2c_create_slave(i2c, "twl92230", N8X0_MENELAUS_ADDR);
     qdev_connect_gpio_out(dev, 3,
-                          qdev_get_gpio_in(s->cpu->ih[0],
+                          qdev_get_gpio_in(s->mpu->ih[0],
                                            OMAP_INT_24XX_SYS_NIRQ));
 
     qemu_system_powerdown = qdev_get_gpio_in(dev, 3);
@@ -263,8 +263,8 @@ static void n800_tsc_kbd_setup(struct n800_s *s)
     /* XXX: are the three pins inverted inside the chip between the
      * tsc and the cpu (N4111)?  */
     qemu_irq penirq = NULL;	/* NC */
-    qemu_irq kbirq = qdev_get_gpio_in(s->cpu->gpio, N800_TSC_KP_IRQ_GPIO);
-    qemu_irq dav = qdev_get_gpio_in(s->cpu->gpio, N800_TSC_TS_GPIO);
+    qemu_irq kbirq = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_KP_IRQ_GPIO);
+    qemu_irq dav = qdev_get_gpio_in(s->mpu->gpio, N800_TSC_TS_GPIO);
 
     s->ts.chip = tsc2301_init(penirq, kbirq, dav);
     s->ts.opaque = s->ts.chip->opaque;
@@ -283,7 +283,7 @@ static void n800_tsc_kbd_setup(struct n800_s *s)
 
 static void n810_tsc_setup(struct n800_s *s)
 {
-    qemu_irq pintdav = qdev_get_gpio_in(s->cpu->gpio, N810_TSC_TS_GPIO);
+    qemu_irq pintdav = qdev_get_gpio_in(s->mpu->gpio, N810_TSC_TS_GPIO);
 
     s->ts.opaque = tsc2005_init(pintdav);
     s->ts.txrx = tsc2005_txrx;
@@ -375,7 +375,7 @@ static int n810_keys[0x80] = {
 
 static void n810_kbd_setup(struct n800_s *s)
 {
-    qemu_irq kbd_irq = qdev_get_gpio_in(s->cpu->gpio, N810_KEYBOARD_GPIO);
+    qemu_irq kbd_irq = qdev_get_gpio_in(s->mpu->gpio, N810_KEYBOARD_GPIO);
     int i;
 
     for (i = 0; i < 0x80; i ++)
@@ -388,7 +388,7 @@ static void n810_kbd_setup(struct n800_s *s)
 
     /* Attach the LM8322 keyboard to the I2C bus,
      * should happen in n8x0_i2c_setup and s->kbd be initialised here.  */
-    s->kbd = i2c_create_slave(omap_i2c_bus(s->cpu->i2c[0]),
+    s->kbd = i2c_create_slave(omap_i2c_bus(s->mpu->i2c[0]),
                            "lm8323", N810_LM8323_ADDR);
     qdev_connect_gpio_out(s->kbd, 0, kbd_irq);
 }
@@ -679,8 +679,8 @@ static void n8x0_spi_setup(struct n800_s *s)
     void *tsc = s->ts.opaque;
     void *mipid = mipid_init();
 
-    omap_mcspi_attach(s->cpu->mcspi[0], s->ts.txrx, tsc, 0);
-    omap_mcspi_attach(s->cpu->mcspi[0], mipid_txrx, mipid, 1);
+    omap_mcspi_attach(s->mpu->mcspi[0], s->ts.txrx, tsc, 0);
+    omap_mcspi_attach(s->mpu->mcspi[0], mipid_txrx, mipid, 1);
 }
 
 /* This task is normally performed by the bootloader.  If we're loading
@@ -735,20 +735,20 @@ static void n8x0_dss_setup(struct n800_s *s)
     s->blizzard.write = s1d13745_write;
     s->blizzard.read = s1d13745_read;
 
-    omap_rfbi_attach(s->cpu->dss, 0, &s->blizzard);
+    omap_rfbi_attach(s->mpu->dss, 0, &s->blizzard);
 }
 
 static void n8x0_cbus_setup(struct n800_s *s)
 {
-    qemu_irq dat_out = qdev_get_gpio_in(s->cpu->gpio, N8X0_CBUS_DAT_GPIO);
-    qemu_irq retu_irq = qdev_get_gpio_in(s->cpu->gpio, N8X0_RETU_GPIO);
-    qemu_irq tahvo_irq = qdev_get_gpio_in(s->cpu->gpio, N8X0_TAHVO_GPIO);
+    qemu_irq dat_out = qdev_get_gpio_in(s->mpu->gpio, N8X0_CBUS_DAT_GPIO);
+    qemu_irq retu_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_RETU_GPIO);
+    qemu_irq tahvo_irq = qdev_get_gpio_in(s->mpu->gpio, N8X0_TAHVO_GPIO);
 
     CBus *cbus = cbus_init(dat_out);
 
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_CLK_GPIO, cbus->clk);
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_DAT_GPIO, cbus->dat);
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_CBUS_SEL_GPIO, cbus->sel);
 
     cbus_attach(cbus, s->retu = retu_init(retu_irq, 1));
     cbus_attach(cbus, s->tahvo = tahvo_init(tahvo_irq, 1));
@@ -757,14 +757,14 @@ static void n8x0_cbus_setup(struct n800_s *s)
 static void n8x0_uart_setup(struct n800_s *s)
 {
     CharDriverState *radio = uart_hci_init(
-                    qdev_get_gpio_in(s->cpu->gpio, N8X0_BT_HOST_WKUP_GPIO));
+                    qdev_get_gpio_in(s->mpu->gpio, N8X0_BT_HOST_WKUP_GPIO));
 
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_BT_RESET_GPIO,
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_RESET_GPIO,
                     csrhci_pins_get(radio)[csrhci_pin_reset]);
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_BT_WKUP_GPIO,
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_WKUP_GPIO,
                     csrhci_pins_get(radio)[csrhci_pin_wakeup]);
 
-    omap_uart_attach(s->cpu->uart[BT_UART], radio);
+    omap_uart_attach(s->mpu->uart[BT_UART], radio);
 }
 
 static void n8x0_usb_setup(struct n800_s *s)
@@ -774,13 +774,13 @@ static void n8x0_usb_setup(struct n800_s *s)
     dev = sysbus_from_qdev(s->usb);
     qdev_init_nofail(s->usb);
     sysbus_connect_irq(dev, 0,
-                       qdev_get_gpio_in(s->cpu->gpio, N8X0_TUSB_INT_GPIO));
+                       qdev_get_gpio_in(s->mpu->gpio, N8X0_TUSB_INT_GPIO));
     /* Using the NOR interface */
-    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_ASYNC_CS,
+    omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_ASYNC_CS,
                      sysbus_mmio_get_region(dev, 0));
-    omap_gpmc_attach(s->cpu->gpmc, N8X0_USB_SYNC_CS,
+    omap_gpmc_attach(s->mpu->gpmc, N8X0_USB_SYNC_CS,
                      sysbus_mmio_get_region(dev, 1));
-    qdev_connect_gpio_out(s->cpu->gpio, N8X0_TUSB_ENABLE_GPIO,
+    qdev_connect_gpio_out(s->mpu->gpio, N8X0_TUSB_ENABLE_GPIO,
                           qdev_get_gpio_in(s->usb, 0)); /* tusb_pwr */
 }
 
@@ -1023,11 +1023,11 @@ static void n8x0_boot_init(void *opaque)
     n800_dss_init(&s->blizzard);
 
     /* CPU setup */
-    s->cpu->env->GE = 0x5;
+    s->mpu->cpu->env.GE = 0x5;
 
     /* If the machine has a slided keyboard, open it */
     if (s->kbd)
-        qemu_irq_raise(qdev_get_gpio_in(s->cpu->gpio, N810_SLIDE_GPIO));
+        qemu_irq_raise(qdev_get_gpio_in(s->mpu->gpio, N810_SLIDE_GPIO));
 }
 
 #define OMAP_TAG_NOKIA_BT	0x4e01
@@ -1281,7 +1281,7 @@ static void n8x0_init(ram_addr_t ram_size, const char *boot_device,
     int sdram_size = binfo->ram_size;
     DisplayState *ds;
 
-    s->cpu = omap2420_mpu_init(sysmem, sdram_size, cpu_model);
+    s->mpu = omap2420_mpu_init(sysmem, sdram_size, cpu_model);
 
     /* Setup peripherals
      *
@@ -1329,7 +1329,7 @@ static void n8x0_init(ram_addr_t ram_size, const char *boot_device,
         binfo->kernel_filename = kernel_filename;
         binfo->kernel_cmdline = kernel_cmdline;
         binfo->initrd_filename = initrd_filename;
-        arm_load_kernel(s->cpu->env, binfo);
+        arm_load_kernel(s->mpu->cpu, binfo);
 
         qemu_register_reset(n8x0_boot_init, s);
     }
@@ -1338,7 +1338,7 @@ static void n8x0_init(ram_addr_t ram_size, const char *boot_device,
         int rom_size;
         uint8_t nolo_tags[0x10000];
         /* No, wait, better start at the ROM.  */
-        s->cpu->env->regs[15] = OMAP2_Q2_BASE + 0x400000;
+        s->mpu->cpu->env.regs[15] = OMAP2_Q2_BASE + 0x400000;
 
         /* This is intended for loading the `secondary.bin' program from
          * Nokia images (the NOLO bootloader).  The entry point seems
diff --git a/hw/omap.h b/hw/omap.h
index 6c3d004719..2819e5df9a 100644
--- a/hw/omap.h
+++ b/hw/omap.h
@@ -804,7 +804,7 @@ struct omap_mpu_state_s {
         omap3630,
     } mpu_model;
 
-    CPUARMState *env;
+    ARMCPU *cpu;
 
     qemu_irq *drq;
 
diff --git a/hw/omap1.c b/hw/omap1.c
index 80d47f0b85..ad60cc4919 100644
--- a/hw/omap1.c
+++ b/hw/omap1.c
@@ -1519,8 +1519,9 @@ static inline void omap_clkm_idlect1_update(struct omap_mpu_state_s *s,
 {
     omap_clk clk;
 
-    if (value & (1 << 11))				/* SETARM_IDLE */
-        cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
+    if (value & (1 << 11)) {                            /* SETARM_IDLE */
+        cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_HALT);
+    }
     if (!(value & (1 << 10)))				/* WKUP_MODE */
         qemu_system_shutdown_request();	/* XXX: disable wakeup from IRQ */
 
@@ -1734,7 +1735,7 @@ static uint64_t omap_clkdsp_read(void *opaque, target_phys_addr_t addr,
 
     case 0x18:	/* DSP_SYSST */
         return (s->clkm.clocking_scheme << 11) | s->clkm.cold_start |
-                (s->env->halted << 6);	/* Quite useless... */
+                (s->cpu->env.halted << 6);      /* Quite useless... */
     }
 
     OMAP_BAD_REG(addr);
@@ -3701,7 +3702,7 @@ static void omap1_mpu_reset(void *opaque)
     omap_lpg_reset(mpu->led[0]);
     omap_lpg_reset(mpu->led[1]);
     omap_clkm_reset(mpu);
-    cpu_state_reset(mpu->env);
+    cpu_reset(CPU(mpu->cpu));
 }
 
 static const struct omap_map_s {
@@ -3751,8 +3752,9 @@ void omap_mpu_wakeup(void *opaque, int irq, int req)
 {
     struct omap_mpu_state_s *mpu = (struct omap_mpu_state_s *) opaque;
 
-    if (mpu->env->halted)
-        cpu_interrupt(mpu->env, CPU_INTERRUPT_EXITTB);
+    if (mpu->cpu->env.halted) {
+        cpu_interrupt(&mpu->cpu->env, CPU_INTERRUPT_EXITTB);
+    }
 }
 
 static const struct dma_irq_map omap1_dma_irq_map[] = {
@@ -3829,8 +3831,8 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
 
     /* Core */
     s->mpu_model = omap310;
-    s->env = cpu_init(core);
-    if (!s->env) {
+    s->cpu = cpu_arm_init(core);
+    if (s->cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
@@ -3852,7 +3854,7 @@ struct omap_mpu_state_s *omap310_mpu_init(MemoryRegion *system_memory,
 
     omap_clkm_init(system_memory, 0xfffece00, 0xe1008000, s);
 
-    cpu_irq = arm_pic_init_cpu(s->env);
+    cpu_irq = arm_pic_init_cpu(s->cpu);
     s->ih[0] = qdev_create(NULL, "omap-intc");
     qdev_prop_set_uint32(s->ih[0], "size", 0x100);
     qdev_prop_set_ptr(s->ih[0], "clk", omap_findclk(s, "arminth_ck"));
diff --git a/hw/omap2.c b/hw/omap2.c
index 42fce5e986..4278dd19c4 100644
--- a/hw/omap2.c
+++ b/hw/omap2.c
@@ -2222,7 +2222,7 @@ static void omap2_mpu_reset(void *opaque)
     omap_mmc_reset(mpu->mmc);
     omap_mcspi_reset(mpu->mcspi[0]);
     omap_mcspi_reset(mpu->mcspi[1]);
-    cpu_state_reset(mpu->env);
+    cpu_reset(CPU(mpu->cpu));
 }
 
 static int omap2_validate_addr(struct omap_mpu_state_s *s,
@@ -2253,8 +2253,8 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
 
     /* Core */
     s->mpu_model = omap2420;
-    s->env = cpu_init(core ?: "arm1136-r2");
-    if (!s->env) {
+    s->cpu = cpu_arm_init(core ?: "arm1136-r2");
+    if (s->cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
@@ -2277,7 +2277,7 @@ struct omap_mpu_state_s *omap2420_mpu_init(MemoryRegion *sysmem,
     s->l4 = omap_l4_init(sysmem, OMAP2_L4_BASE, 54);
 
     /* Actually mapped at any 2K boundary in the ARM11 private-peripheral if */
-    cpu_irq = arm_pic_init_cpu(s->env);
+    cpu_irq = arm_pic_init_cpu(s->cpu);
     s->ih[0] = qdev_create(NULL, "omap2-intc");
     qdev_prop_set_uint8(s->ih[0], "revision", 0x21);
     qdev_prop_set_ptr(s->ih[0], "fclk", omap_findclk(s, "mpu_intc_fclk"));
diff --git a/hw/omap_sx1.c b/hw/omap_sx1.c
index 4e8ec4a990..abca341926 100644
--- a/hw/omap_sx1.c
+++ b/hw/omap_sx1.c
@@ -103,7 +103,7 @@ static void sx1_init(ram_addr_t ram_size,
                 const char *initrd_filename, const char *cpu_model,
                 const int version)
 {
-    struct omap_mpu_state_s *cpu;
+    struct omap_mpu_state_s *mpu;
     MemoryRegion *address_space = get_system_memory();
     MemoryRegion *flash = g_new(MemoryRegion, 1);
     MemoryRegion *flash_1 = g_new(MemoryRegion, 1);
@@ -121,7 +121,7 @@ static void sx1_init(ram_addr_t ram_size,
         flash_size = flash2_size;
     }
 
-    cpu = omap310_mpu_init(address_space, sx1_binfo.ram_size, cpu_model);
+    mpu = omap310_mpu_init(address_space, sx1_binfo.ram_size, cpu_model);
 
     /* External Flash (EMIFS) */
     memory_region_init_ram(flash, "omap_sx1.flash0-0", flash_size);
@@ -202,7 +202,7 @@ static void sx1_init(ram_addr_t ram_size,
         sx1_binfo.kernel_filename = kernel_filename;
         sx1_binfo.kernel_cmdline = kernel_cmdline;
         sx1_binfo.initrd_filename = initrd_filename;
-        arm_load_kernel(cpu->env, &sx1_binfo);
+        arm_load_kernel(mpu->cpu, &sx1_binfo);
     }
 
     /* TODO: fix next line */
diff --git a/hw/palm.c b/hw/palm.c
index b1252ab1e9..bacdc90d4a 100644
--- a/hw/palm.c
+++ b/hw/palm.c
@@ -196,7 +196,7 @@ static void palmte_init(ram_addr_t ram_size,
                 const char *initrd_filename, const char *cpu_model)
 {
     MemoryRegion *address_space_mem = get_system_memory();
-    struct omap_mpu_state_s *cpu;
+    struct omap_mpu_state_s *mpu;
     int flash_size = 0x00800000;
     int sdram_size = palmte_binfo.ram_size;
     static uint32_t cs0val = 0xffffffff;
@@ -208,7 +208,7 @@ static void palmte_init(ram_addr_t ram_size,
     MemoryRegion *flash = g_new(MemoryRegion, 1);
     MemoryRegion *cs = g_new(MemoryRegion, 4);
 
-    cpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
+    mpu = omap310_mpu_init(address_space_mem, sdram_size, cpu_model);
 
     /* External Flash (EMIFS) */
     memory_region_init_ram(flash, "palmte.flash", flash_size);
@@ -230,11 +230,11 @@ static void palmte_init(ram_addr_t ram_size,
                           OMAP_CS3_SIZE);
     memory_region_add_subregion(address_space_mem, OMAP_CS3_BASE, &cs[3]);
 
-    palmte_microwire_setup(cpu);
+    palmte_microwire_setup(mpu);
 
-    qemu_add_kbd_event_handler(palmte_button_event, cpu);
+    qemu_add_kbd_event_handler(palmte_button_event, mpu);
 
-    palmte_gpio_setup(cpu);
+    palmte_gpio_setup(mpu);
 
     /* Setup initial (reset) machine state */
     if (nb_option_roms) {
@@ -265,7 +265,7 @@ static void palmte_init(ram_addr_t ram_size,
         palmte_binfo.kernel_filename = kernel_filename;
         palmte_binfo.kernel_cmdline = kernel_cmdline;
         palmte_binfo.initrd_filename = initrd_filename;
-        arm_load_kernel(cpu->env, &palmte_binfo);
+        arm_load_kernel(mpu->cpu, &palmte_binfo);
     }
 
     /* FIXME: We shouldn't really be doing this here.  The LCD controller
diff --git a/hw/pc.c b/hw/pc.c
index e81a06c161..8368701efb 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -912,15 +912,6 @@ static DeviceState *apic_init(void *env, uint8_t apic_id)
         apic_mapped = 1;
     }
 
-    /* KVM does not support MSI yet. */
-    if (!kvm_irqchip_in_kernel()) {
-        msi_supported = true;
-    }
-
-    if (xen_msi_support()) {
-        msi_supported = true;
-    }
-
     return dev;
 }
 
@@ -935,27 +926,30 @@ void pc_acpi_smi_interrupt(void *opaque, int irq, int level)
 
 static void pc_cpu_reset(void *opaque)
 {
-    CPUX86State *env = opaque;
+    X86CPU *cpu = opaque;
+    CPUX86State *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     env->halted = !cpu_is_bsp(env);
 }
 
-static CPUX86State *pc_new_cpu(const char *cpu_model)
+static X86CPU *pc_new_cpu(const char *cpu_model)
 {
+    X86CPU *cpu;
     CPUX86State *env;
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_x86_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find x86 CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
     if ((env->cpuid_features & CPUID_APIC) || smp_cpus > 1) {
         env->apic_state = apic_init(env, env->cpuid_apic_id);
     }
-    qemu_register_reset(pc_cpu_reset, env);
-    pc_cpu_reset(env);
-    return env;
+    qemu_register_reset(pc_cpu_reset, cpu);
+    pc_cpu_reset(cpu);
+    return cpu;
 }
 
 void pc_cpus_init(const char *cpu_model)
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index a7aad4b022..f49b0aaf89 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -56,31 +56,27 @@ static void kvm_piix3_setup_irq_routing(bool pci_enabled)
 {
 #ifdef CONFIG_KVM
     KVMState *s = kvm_state;
-    int ret, i;
+    int i;
 
     if (kvm_check_extension(s, KVM_CAP_IRQ_ROUTING)) {
         for (i = 0; i < 8; ++i) {
             if (i == 2) {
                 continue;
             }
-            kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
+            kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_MASTER, i);
         }
         for (i = 8; i < 16; ++i) {
-            kvm_irqchip_add_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
+            kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_PIC_SLAVE, i - 8);
         }
         if (pci_enabled) {
             for (i = 0; i < 24; ++i) {
                 if (i == 0) {
-                    kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
+                    kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, 2);
                 } else if (i != 2) {
-                    kvm_irqchip_add_route(s, i, KVM_IRQCHIP_IOAPIC, i);
+                    kvm_irqchip_add_irq_route(s, i, KVM_IRQCHIP_IOAPIC, i);
                 }
             }
         }
-        ret = kvm_irqchip_commit_routes(s);
-        if (ret < 0) {
-            hw_error("KVM IRQ routing setup failed");
-        }
     }
 #endif /* CONFIG_KVM */
 }
diff --git a/hw/pci-hotplug.c b/hw/pci-hotplug.c
index c55d8b9396..61257f457b 100644
--- a/hw/pci-hotplug.c
+++ b/hw/pci-hotplug.c
@@ -39,6 +39,7 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
                                        const char *devaddr,
                                        const char *opts_str)
 {
+    Error *local_err = NULL;
     QemuOpts *opts;
     PCIBus *bus;
     int ret, devfn;
@@ -60,9 +61,12 @@ static PCIDevice *qemu_pci_hot_add_nic(Monitor *mon,
 
     qemu_opt_set(opts, "type", "nic");
 
-    ret = net_client_init(mon, opts, 0);
-    if (ret < 0)
+    ret = net_client_init(opts, 0, &local_err);
+    if (error_is_set(&local_err)) {
+        qerror_report_err(local_err);
+        error_free(local_err);
         return NULL;
+    }
     if (nd_table[ret].devaddr) {
         monitor_printf(mon, "Parameter addr not supported\n");
         return NULL;
diff --git a/hw/pci.c b/hw/pci.c
index c1ebdde91e..127b7aca73 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1537,7 +1537,7 @@ PCIDevice *pci_create_multifunction(PCIBus *bus, int devfn, bool multifunction,
     DeviceState *dev;
 
     dev = qdev_create(&bus->qbus, name);
-    qdev_prop_set_uint32(dev, "addr", devfn);
+    qdev_prop_set_int32(dev, "addr", devfn);
     qdev_prop_set_bit(dev, "multifunction", multifunction);
     return PCI_DEVICE(dev);
 }
diff --git a/hw/pci.h b/hw/pci.h
index 8d0aa498e5..7f223c01e1 100644
--- a/hw/pci.h
+++ b/hw/pci.h
@@ -173,6 +173,10 @@ typedef struct PCIDeviceClass {
     const char *romfile;
 } PCIDeviceClass;
 
+typedef int (*MSIVectorUseNotifier)(PCIDevice *dev, unsigned int vector,
+                                      MSIMessage msg);
+typedef void (*MSIVectorReleaseNotifier)(PCIDevice *dev, unsigned int vector);
+
 struct PCIDevice {
     DeviceState qdev;
     /* PCI config space */
@@ -193,7 +197,7 @@ struct PCIDevice {
 
     /* the following fields are read only */
     PCIBus *bus;
-    uint32_t devfn;
+    int32_t devfn;
     char name[64];
     PCIIORegion io_regions[PCI_NUM_REGIONS];
 
@@ -243,6 +247,10 @@ struct PCIDevice {
     bool has_rom;
     MemoryRegion rom;
     uint32_t rom_bar;
+
+    /* MSI-X notifiers */
+    MSIVectorUseNotifier msix_vector_use_notifier;
+    MSIVectorReleaseNotifier msix_vector_release_notifier;
 };
 
 void pci_register_bar(PCIDevice *pci_dev, int region_num,
diff --git a/hw/petalogix_ml605_mmu.c b/hw/petalogix_ml605_mmu.c
index 31a434872d..bff63e389a 100644
--- a/hw/petalogix_ml605_mmu.c
+++ b/hw/petalogix_ml605_mmu.c
@@ -54,8 +54,10 @@
 #define AXIENET_BASEADDR 0x82780000
 #define AXIDMA_BASEADDR 0x84600000
 
-static void machine_cpu_reset(CPUMBState *env)
+static void machine_cpu_reset(MicroBlazeCPU *cpu)
 {
+    CPUMBState *env = &cpu->env;
+
     env->pvr.regs[10] = 0x0e000000; /* virtex 6 */
     /* setup pvr to match kernel setting */
     env->pvr.regs[5] |= PVR5_DCACHE_WRITEBACK_MASK;
@@ -75,6 +77,7 @@ petalogix_ml605_init(ram_addr_t ram_size,
 {
     MemoryRegion *address_space_mem = get_system_memory();
     DeviceState *dev;
+    MicroBlazeCPU *cpu;
     CPUMBState *env;
     DriveInfo *dinfo;
     int i;
@@ -87,7 +90,8 @@ petalogix_ml605_init(ram_addr_t ram_size,
     if (cpu_model == NULL) {
         cpu_model = "microblaze";
     }
-    env = cpu_init(cpu_model);
+    cpu = cpu_mb_init(cpu_model);
+    env = &cpu->env;
 
     /* Attach emulated BRAM through the LMB.  */
     memory_region_init_ram(phys_lmb_bram, "petalogix_ml605.lmb_bram",
@@ -131,7 +135,7 @@ petalogix_ml605_init(ram_addr_t ram_size,
                                      irq[1], irq[0], 100 * 1000000);
     }
 
-    microblaze_load_kernel(env, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
+    microblaze_load_kernel(cpu, ddr_base, ram_size, BINARY_DEVICE_TREE_FILE,
                                                             machine_cpu_reset);
 
 }
diff --git a/hw/petalogix_s3adsp1800_mmu.c b/hw/petalogix_s3adsp1800_mmu.c
index 8b37336001..f41c559e61 100644
--- a/hw/petalogix_s3adsp1800_mmu.c
+++ b/hw/petalogix_s3adsp1800_mmu.c
@@ -49,8 +49,10 @@
 #define UARTLITE_BASEADDR 0x84000000
 #define ETHLITE_BASEADDR 0x81000000
 
-static void machine_cpu_reset(CPUMBState *env)
+static void machine_cpu_reset(MicroBlazeCPU *cpu)
 {
+    CPUMBState *env = &cpu->env;
+
     env->pvr.regs[10] = 0x0c000000; /* spartan 3a dsp family.  */
 }
 
@@ -62,6 +64,7 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
                           const char *initrd_filename, const char *cpu_model)
 {
     DeviceState *dev;
+    MicroBlazeCPU *cpu;
     CPUMBState *env;
     DriveInfo *dinfo;
     int i;
@@ -75,7 +78,8 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
     if (cpu_model == NULL) {
         cpu_model = "microblaze";
     }
-    env = cpu_init(cpu_model);
+    cpu = cpu_mb_init(cpu_model);
+    env = &cpu->env;
 
     /* Attach emulated BRAM through the LMB.  */
     memory_region_init_ram(phys_lmb_bram,
@@ -105,7 +109,7 @@ petalogix_s3adsp1800_init(ram_addr_t ram_size,
     xilinx_timer_create(TIMER_BASEADDR, irq[0], 2, 62 * 1000000);
     xilinx_ethlite_create(&nd_table[0], ETHLITE_BASEADDR, irq[1], 0, 0);
 
-    microblaze_load_kernel(env, ddr_base, ram_size,
+    microblaze_load_kernel(cpu, ddr_base, ram_size,
                     BINARY_DEVICE_TREE_FILE, machine_cpu_reset);
 }
 
diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs
new file mode 100644
index 0000000000..d0ef8a26cf
--- /dev/null
+++ b/hw/ppc/Makefile.objs
@@ -0,0 +1,31 @@
+# shared objects
+obj-y = ppc.o ppc_booke.o
+# PREP target
+obj-y += mc146818rtc.o
+obj-y += ppc_prep.o
+# OldWorld PowerMac
+obj-y += ppc_oldworld.o
+# NewWorld PowerMac
+obj-y += ppc_newworld.o
+# IBM pSeries (sPAPR)
+obj-$(CONFIG_PSERIES) += spapr.o spapr_hcall.o spapr_rtas.o spapr_vio.o
+obj-$(CONFIG_PSERIES) += xics.o spapr_vty.o spapr_llan.o spapr_vscsi.o
+obj-$(CONFIG_PSERIES) += spapr_pci.o pci-hotplug.o
+# PowerPC 4xx boards
+obj-y += ppc4xx_devs.o ppc4xx_pci.o ppc405_uc.o ppc405_boards.o
+obj-y += ppc440_bamboo.o
+# PowerPC E500 boards
+obj-y += ppce500_mpc8544ds.o mpc8544_guts.o ppce500_spin.o
+# PowerPC 440 Xilinx ML507 reference board.
+obj-y += virtex_ml507.o
+# PowerPC OpenPIC
+obj-y += openpic.o
+obj-$(CONFIG_FDT) += ../device_tree.o
+
+# Xilinx PPC peripherals
+obj-y += xilinx_intc.o
+obj-y += xilinx_timer.o
+obj-y += xilinx_uartlite.o
+obj-y += xilinx_ethlite.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/ppc440_bamboo.c b/hw/ppc440_bamboo.c
index f0a3ae49e6..0dd4dab318 100644
--- a/hw/ppc440_bamboo.c
+++ b/hw/ppc440_bamboo.c
@@ -145,9 +145,10 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
+    CPUPPCState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     env->gpr[1] = (16<<20) - 8;
     env->gpr[3] = FDT_ADDR;
     env->nip = entry;
@@ -172,6 +173,7 @@ static void bamboo_init(ram_addr_t ram_size,
     qemu_irq *pic;
     qemu_irq *irqs;
     PCIBus *pcibus;
+    PowerPCCPU *cpu;
     CPUPPCState *env;
     uint64_t elf_entry;
     uint64_t elf_lowaddr;
@@ -185,13 +187,14 @@ static void bamboo_init(ram_addr_t ram_size,
     if (cpu_model == NULL) {
         cpu_model = "440EP";
     }
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_ppc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to initialize CPU!\n");
         exit(1);
     }
+    env = &cpu->env;
 
-    qemu_register_reset(main_cpu_reset, env);
+    qemu_register_reset(main_cpu_reset, cpu);
     ppc_booke_timers_init(env, 400000000, 0);
     ppc_dcr_init(env, NULL, NULL);
 
diff --git a/hw/ppc4xx_devs.c b/hw/ppc4xx_devs.c
index 00e36f4109..41163e607d 100644
--- a/hw/ppc4xx_devs.c
+++ b/hw/ppc4xx_devs.c
@@ -40,9 +40,9 @@
 
 static void ppc4xx_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 /*****************************************************************************/
@@ -51,15 +51,18 @@ CPUPPCState *ppc4xx_init (const char *cpu_model,
                        clk_setup_t *cpu_clk, clk_setup_t *tb_clk,
                        uint32_t sysclk)
 {
+    PowerPCCPU *cpu;
     CPUPPCState *env;
 
     /* init CPUs */
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_ppc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find PowerPC %s CPU definition\n",
                 cpu_model);
         exit(1);
     }
+    env = &cpu->env;
+
     cpu_clk->cb = NULL; /* We don't care about CPU clock frequency changes */
     cpu_clk->opaque = env;
     /* Set time-base frequency to sysclk */
@@ -67,7 +70,7 @@ CPUPPCState *ppc4xx_init (const char *cpu_model,
     tb_clk->opaque = env;
     ppc_dcr_init(env, NULL, NULL);
     /* Register qemu callbacks */
-    qemu_register_reset(ppc4xx_reset, env);
+    qemu_register_reset(ppc4xx_reset, cpu);
 
     return env;
 }
diff --git a/hw/ppc_newworld.c b/hw/ppc_newworld.c
index 879651018b..4e2a6e691b 100644
--- a/hw/ppc_newworld.c
+++ b/hw/ppc_newworld.c
@@ -123,9 +123,9 @@ static target_phys_addr_t round_page(target_phys_addr_t addr)
 
 static void ppc_core99_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 /* PowerPC Mac99 hardware initialisation */
@@ -136,6 +136,7 @@ static void ppc_core99_init (ram_addr_t ram_size,
                              const char *initrd_filename,
                              const char *cpu_model)
 {
+    PowerPCCPU *cpu = NULL;
     CPUPPCState *env = NULL;
     char *filename;
     qemu_irq *pic, **openpic_irqs;
@@ -166,14 +167,16 @@ static void ppc_core99_init (ram_addr_t ram_size,
         cpu_model = "G4";
 #endif
     for (i = 0; i < smp_cpus; i++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         /* Set time-base frequency to 100 Mhz */
         cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
-        qemu_register_reset(ppc_core99_reset, env);
+        qemu_register_reset(ppc_core99_reset, cpu);
     }
 
     /* allocate RAM */
diff --git a/hw/ppc_oldworld.c b/hw/ppc_oldworld.c
index 7e73d37c34..f2c6908534 100644
--- a/hw/ppc_oldworld.c
+++ b/hw/ppc_oldworld.c
@@ -67,9 +67,9 @@ static target_phys_addr_t round_page(target_phys_addr_t addr)
 
 static void ppc_heathrow_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 static void ppc_heathrow_init (ram_addr_t ram_size,
@@ -80,6 +80,7 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
                                const char *cpu_model)
 {
     MemoryRegion *sysmem = get_system_memory();
+    PowerPCCPU *cpu = NULL;
     CPUPPCState *env = NULL;
     char *filename;
     qemu_irq *pic, **heathrow_irqs;
@@ -104,14 +105,16 @@ static void ppc_heathrow_init (ram_addr_t ram_size,
     if (cpu_model == NULL)
         cpu_model = "G3";
     for (i = 0; i < smp_cpus; i++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         /* Set time-base frequency to 16.6 Mhz */
         cpu_ppc_tb_init(env,  16600000UL);
-        qemu_register_reset(ppc_heathrow_reset, env);
+        qemu_register_reset(ppc_heathrow_reset, cpu);
     }
 
     /* allocate RAM */
diff --git a/hw/ppc_prep.c b/hw/ppc_prep.c
index b1da114114..be2b26830d 100644
--- a/hw/ppc_prep.c
+++ b/hw/ppc_prep.c
@@ -441,9 +441,9 @@ static void cpu_request_exit(void *opaque, int irq, int level)
 
 static void ppc_prep_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 /* PowerPC PREP hardware initialisation */
@@ -455,6 +455,7 @@ static void ppc_prep_init (ram_addr_t ram_size,
                            const char *cpu_model)
 {
     MemoryRegion *sysmem = get_system_memory();
+    PowerPCCPU *cpu = NULL;
     CPUPPCState *env = NULL;
     char *filename;
     nvram_t nvram;
@@ -487,11 +488,13 @@ static void ppc_prep_init (ram_addr_t ram_size,
     if (cpu_model == NULL)
         cpu_model = "602";
     for (i = 0; i < smp_cpus; i++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         if (env->flags & POWERPC_FLAG_RTC_CLK) {
             /* POWER / PowerPC 601 RTC clock frequency is 7.8125 MHz */
             cpu_ppc_tb_init(env, 7812500UL);
@@ -499,7 +502,7 @@ static void ppc_prep_init (ram_addr_t ram_size,
             /* Set time-base frequency to 100 Mhz */
             cpu_ppc_tb_init(env, 100UL * 1000UL * 1000UL);
         }
-        qemu_register_reset(ppc_prep_reset, env);
+        qemu_register_reset(ppc_prep_reset, cpu);
     }
 
     /* allocate RAM */
diff --git a/hw/ppce500_mpc8544ds.c b/hw/ppce500_mpc8544ds.c
index f1dfbe181c..3eb8a23779 100644
--- a/hw/ppce500_mpc8544ds.c
+++ b/hw/ppce500_mpc8544ds.c
@@ -196,9 +196,10 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
 
 static void mpc8544ds_cpu_reset_sec(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
+    CPUPPCState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 
     /* Secondary CPU starts in halted state for now. Needs to change when
        implementing non-kernel boot. */
@@ -208,10 +209,11 @@ static void mpc8544ds_cpu_reset_sec(void *opaque)
 
 static void mpc8544ds_cpu_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
+    CPUPPCState *env = &cpu->env;
     struct boot_info *bi = env->load_info;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 
     /* Set initial guest state. */
     env->halted = 0;
@@ -254,12 +256,15 @@ static void mpc8544ds_init(ram_addr_t ram_size,
     irqs = g_malloc0(smp_cpus * sizeof(qemu_irq *));
     irqs[0] = g_malloc0(smp_cpus * sizeof(qemu_irq) * OPENPIC_OUTPUT_NB);
     for (i = 0; i < smp_cpus; i++) {
+        PowerPCCPU *cpu;
         qemu_irq *input;
-        env = cpu_ppc_init(cpu_model);
-        if (!env) {
+
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to initialize CPU!\n");
             exit(1);
         }
+        env = &cpu->env;
 
         if (!firstenv) {
             firstenv = env;
@@ -278,11 +283,11 @@ static void mpc8544ds_init(ram_addr_t ram_size,
             /* Primary CPU */
             struct boot_info *boot_info;
             boot_info = g_malloc0(sizeof(struct boot_info));
-            qemu_register_reset(mpc8544ds_cpu_reset, env);
+            qemu_register_reset(mpc8544ds_cpu_reset, cpu);
             env->load_info = boot_info;
         } else {
             /* Secondary CPUs */
-            qemu_register_reset(mpc8544ds_cpu_reset_sec, env);
+            qemu_register_reset(mpc8544ds_cpu_reset_sec, cpu);
         }
     }
 
diff --git a/hw/pxa.h b/hw/pxa.h
index 025be34f86..6a2120555f 100644
--- a/hw/pxa.h
+++ b/hw/pxa.h
@@ -65,7 +65,7 @@
 # define PXA2XX_INTERNAL_SIZE	0x40000
 
 /* pxa2xx_pic.c */
-DeviceState *pxa2xx_pic_init(target_phys_addr_t base, CPUARMState *env);
+DeviceState *pxa2xx_pic_init(target_phys_addr_t base, ARMCPU *cpu);
 
 /* pxa2xx_gpio.c */
 DeviceState *pxa2xx_gpio_init(target_phys_addr_t base,
@@ -122,7 +122,7 @@ typedef struct PXA2xxI2SState PXA2xxI2SState;
 typedef struct PXA2xxFIrState PXA2xxFIrState;
 
 typedef struct {
-    CPUARMState *env;
+    ARMCPU *cpu;
     DeviceState *pic;
     qemu_irq reset;
     MemoryRegion sdram;
diff --git a/hw/pxa2xx.c b/hw/pxa2xx.c
index ddaa846882..7958d14003 100644
--- a/hw/pxa2xx.c
+++ b/hw/pxa2xx.c
@@ -269,24 +269,24 @@ static void pxa2xx_clkpwr_write(void *opaque, int op2, int reg, int crm,
         case 1:
             /* Idle */
             if (!(s->cm_regs[CCCR >> 2] & (1 << 31))) {	/* CPDIS */
-                cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
+                cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_HALT);
                 break;
             }
             /* Fall through.  */
 
         case 2:
             /* Deep-Idle */
-            cpu_interrupt(s->env, CPU_INTERRUPT_HALT);
+            cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_HALT);
             s->pm_regs[RCSR >> 2] |= 0x8;	/* Set GPR */
             goto message;
 
         case 3:
-            s->env->uncached_cpsr =
+            s->cpu->env.uncached_cpsr =
                     ARM_CPU_MODE_SVC | CPSR_A | CPSR_F | CPSR_I;
-            s->env->cp15.c1_sys = 0;
-            s->env->cp15.c1_coproc = 0;
-            s->env->cp15.c2_base0 = 0;
-            s->env->cp15.c3 = 0;
+            s->cpu->env.cp15.c1_sys = 0;
+            s->cpu->env.cp15.c1_coproc = 0;
+            s->cpu->env.cp15.c2_base0 = 0;
+            s->cpu->env.cp15.c3 = 0;
             s->pm_regs[PSSR >> 2] |= 0x8;	/* Set STS */
             s->pm_regs[RCSR >> 2] |= 0x8;	/* Set GPR */
 
@@ -296,8 +296,8 @@ static void pxa2xx_clkpwr_write(void *opaque, int op2, int reg, int crm,
              * lack of a resuming bootloader, perform a jump
              * directly to that address.
              */
-            memset(s->env->regs, 0, 4 * 15);
-            s->env->regs[15] = s->pm_regs[PSPR >> 2];
+            memset(s->cpu->env.regs, 0, 4 * 15);
+            s->cpu->env.regs[15] = s->pm_regs[PSPR >> 2];
 
 #if 0
             buffer = 0xe59ff000;	/* ldr     pc, [pc, #0] */
@@ -2044,7 +2044,7 @@ static void pxa2xx_reset(void *opaque, int line, int level)
     PXA2xxState *s = (PXA2xxState *) opaque;
 
     if (level && (s->pm_regs[PCFR >> 2] & 0x10)) {	/* GPR_EN */
-        cpu_state_reset(s->env);
+        cpu_reset(CPU(s->cpu));
         /* TODO: reset peripherals */
     }
 }
@@ -2065,8 +2065,8 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
     if (!revision)
         revision = "pxa270";
     
-    s->env = cpu_init(revision);
-    if (!s->env) {
+    s->cpu = cpu_arm_init(revision);
+    if (s->cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
@@ -2081,7 +2081,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
     memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
                                 &s->internal);
 
-    s->pic = pxa2xx_pic_init(0x40d00000, s->env);
+    s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
 
     s->dma = pxa27x_dma_init(0x40000000,
                     qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
@@ -2094,7 +2094,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
                     qdev_get_gpio_in(s->pic, PXA27X_PIC_OST_4_11),
                     NULL);
 
-    s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 121);
+    s->gpio = pxa2xx_gpio_init(0x40e00000, &s->cpu->env, s->pic, 121);
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
@@ -2133,7 +2133,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
     memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
     vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
 
-    cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
+    cpu_arm_set_cp_io(&s->cpu->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
 
     s->mm_base = 0x48000000;
     s->mm_regs[MDMRS >> 2] = 0x00020002;
@@ -2196,8 +2196,8 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
 
     s = (PXA2xxState *) g_malloc0(sizeof(PXA2xxState));
 
-    s->env = cpu_init("pxa255");
-    if (!s->env) {
+    s->cpu = cpu_arm_init("pxa255");
+    if (s->cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
@@ -2213,7 +2213,7 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
     memory_region_add_subregion(address_space, PXA2XX_INTERNAL_BASE,
                                 &s->internal);
 
-    s->pic = pxa2xx_pic_init(0x40d00000, s->env);
+    s->pic = pxa2xx_pic_init(0x40d00000, s->cpu);
 
     s->dma = pxa255_dma_init(0x40000000,
                     qdev_get_gpio_in(s->pic, PXA2XX_PIC_DMA));
@@ -2225,7 +2225,7 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
                     qdev_get_gpio_in(s->pic, PXA2XX_PIC_OST_0 + 3),
                     NULL);
 
-    s->gpio = pxa2xx_gpio_init(0x40e00000, s->env, s->pic, 85);
+    s->gpio = pxa2xx_gpio_init(0x40e00000, &s->cpu->env, s->pic, 85);
 
     dinfo = drive_get(IF_SD, 0, 0);
     if (!dinfo) {
@@ -2264,7 +2264,7 @@ PXA2xxState *pxa255_init(MemoryRegion *address_space, unsigned int sdram_size)
     memory_region_add_subregion(address_space, s->cm_base, &s->cm_iomem);
     vmstate_register(NULL, 0, &vmstate_pxa2xx_cm, s);
 
-    cpu_arm_set_cp_io(s->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
+    cpu_arm_set_cp_io(&s->cpu->env, 14, pxa2xx_cp14_read, pxa2xx_cp14_write, s);
 
     s->mm_base = 0x48000000;
     s->mm_regs[MDMRS >> 2] = 0x00020002;
diff --git a/hw/pxa2xx_gpio.c b/hw/pxa2xx_gpio.c
index 09a408b781..3c90c9c4e0 100644
--- a/hw/pxa2xx_gpio.c
+++ b/hw/pxa2xx_gpio.c
@@ -20,7 +20,7 @@ struct PXA2xxGPIOInfo {
     qemu_irq irq0, irq1, irqX;
     int lines;
     int ncpu;
-    CPUARMState *cpu_env;
+    ARMCPU *cpu;
 
     /* XXX: GNU C vectors are more suitable */
     uint32_t ilevel[PXA2XX_GPIO_BANKS];
@@ -118,8 +118,9 @@ static void pxa2xx_gpio_set(void *opaque, int line, int level)
         pxa2xx_gpio_irq_update(s);
 
     /* Wake-up GPIOs */
-    if (s->cpu_env->halted && (mask & ~s->dir[bank] & pxa2xx_gpio_wake[bank]))
-        cpu_interrupt(s->cpu_env, CPU_INTERRUPT_EXITTB);
+    if (s->cpu->env.halted && (mask & ~s->dir[bank] & pxa2xx_gpio_wake[bank])) {
+        cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_EXITTB);
+    }
 }
 
 static void pxa2xx_gpio_handler_update(PXA2xxGPIOInfo *s) {
@@ -275,7 +276,7 @@ static int pxa2xx_gpio_initfn(SysBusDevice *dev)
 
     s = FROM_SYSBUS(PXA2xxGPIOInfo, dev);
 
-    s->cpu_env = qemu_get_cpu(s->ncpu);
+    s->cpu = arm_env_get_cpu(qemu_get_cpu(s->ncpu));
 
     qdev_init_gpio_in(&dev->qdev, pxa2xx_gpio_set, s->lines);
     qdev_init_gpio_out(&dev->qdev, s->handler, s->lines);
diff --git a/hw/pxa2xx_pic.c b/hw/pxa2xx_pic.c
index a806b80b0f..c560133930 100644
--- a/hw/pxa2xx_pic.c
+++ b/hw/pxa2xx_pic.c
@@ -34,7 +34,7 @@
 typedef struct {
     SysBusDevice busdev;
     MemoryRegion iomem;
-    CPUARMState *cpu_env;
+    ARMCPU *cpu;
     uint32_t int_enabled[2];
     uint32_t int_pending[2];
     uint32_t is_fiq[2];
@@ -47,25 +47,28 @@ static void pxa2xx_pic_update(void *opaque)
     uint32_t mask[2];
     PXA2xxPICState *s = (PXA2xxPICState *) opaque;
 
-    if (s->cpu_env->halted) {
+    if (s->cpu->env.halted) {
         mask[0] = s->int_pending[0] & (s->int_enabled[0] | s->int_idle);
         mask[1] = s->int_pending[1] & (s->int_enabled[1] | s->int_idle);
-        if (mask[0] || mask[1])
-            cpu_interrupt(s->cpu_env, CPU_INTERRUPT_EXITTB);
+        if (mask[0] || mask[1]) {
+            cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_EXITTB);
+        }
     }
 
     mask[0] = s->int_pending[0] & s->int_enabled[0];
     mask[1] = s->int_pending[1] & s->int_enabled[1];
 
-    if ((mask[0] & s->is_fiq[0]) || (mask[1] & s->is_fiq[1]))
-        cpu_interrupt(s->cpu_env, CPU_INTERRUPT_FIQ);
-    else
-        cpu_reset_interrupt(s->cpu_env, CPU_INTERRUPT_FIQ);
+    if ((mask[0] & s->is_fiq[0]) || (mask[1] & s->is_fiq[1])) {
+        cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_FIQ);
+    } else {
+        cpu_reset_interrupt(&s->cpu->env, CPU_INTERRUPT_FIQ);
+    }
 
-    if ((mask[0] & ~s->is_fiq[0]) || (mask[1] & ~s->is_fiq[1]))
-        cpu_interrupt(s->cpu_env, CPU_INTERRUPT_HARD);
-    else
-        cpu_reset_interrupt(s->cpu_env, CPU_INTERRUPT_HARD);
+    if ((mask[0] & ~s->is_fiq[0]) || (mask[1] & ~s->is_fiq[1])) {
+        cpu_interrupt(&s->cpu->env, CPU_INTERRUPT_HARD);
+    } else {
+        cpu_reset_interrupt(&s->cpu->env, CPU_INTERRUPT_HARD);
+    }
 }
 
 /* Note: Here level means state of the signal on a pin, not
@@ -245,12 +248,13 @@ static int pxa2xx_pic_post_load(void *opaque, int version_id)
     return 0;
 }
 
-DeviceState *pxa2xx_pic_init(target_phys_addr_t base, CPUARMState *env)
+DeviceState *pxa2xx_pic_init(target_phys_addr_t base, ARMCPU *cpu)
 {
+    CPUARMState *env = &cpu->env;
     DeviceState *dev = qdev_create(NULL, "pxa2xx_pic");
     PXA2xxPICState *s = FROM_SYSBUS(PXA2xxPICState, sysbus_from_qdev(dev));
 
-    s->cpu_env = env;
+    s->cpu = cpu;
 
     s->int_pending[0] = 0;
     s->int_pending[1] = 0;
diff --git a/hw/qdev-addr.c b/hw/qdev-addr.c
index 0bb16c7eb3..b711b6bf96 100644
--- a/hw/qdev-addr.c
+++ b/hw/qdev-addr.c
@@ -27,7 +27,7 @@ static void get_taddr(Object *obj, Visitor *v, void *opaque,
     int64_t value;
 
     value = *ptr;
-    visit_type_int(v, &value, name, errp);
+    visit_type_int64(v, &value, name, errp);
 }
 
 static void set_taddr(Object *obj, Visitor *v, void *opaque,
@@ -44,7 +44,7 @@ static void set_taddr(Object *obj, Visitor *v, void *opaque,
         return;
     }
 
-    visit_type_int(v, &value, name, &local_err);
+    visit_type_int64(v, &value, name, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
diff --git a/hw/qdev-monitor.c b/hw/qdev-monitor.c
index eed781d2f0..b01ef0600e 100644
--- a/hw/qdev-monitor.c
+++ b/hw/qdev-monitor.c
@@ -554,10 +554,13 @@ void do_info_qdm(Monitor *mon)
 
 int do_device_add(Monitor *mon, const QDict *qdict, QObject **ret_data)
 {
+    Error *local_err = NULL;
     QemuOpts *opts;
 
-    opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict);
-    if (!opts) {
+    opts = qemu_opts_from_qdict(qemu_find_opts("device"), qdict, &local_err);
+    if (error_is_set(&local_err)) {
+        qerror_report_err(local_err);
+        error_free(local_err);
         return -1;
     }
     if (!monitor_cur_is_qmp() && qdev_device_help(opts)) {
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index b7b5597c62..9ae318717e 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -76,52 +76,35 @@ PropertyInfo qdev_prop_bit = {
 
 /* --- 8bit integer --- */
 
-static void get_int8(Object *obj, Visitor *v, void *opaque,
-                     const char *name, Error **errp)
+static void get_uint8(Object *obj, Visitor *v, void *opaque,
+                      const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int8_t *ptr = qdev_get_prop_ptr(dev, prop);
-    int64_t value;
+    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
 
-    value = *ptr;
-    visit_type_int(v, &value, name, errp);
+    visit_type_uint8(v, ptr, name, errp);
 }
 
-static void set_int8(Object *obj, Visitor *v, void *opaque,
-                     const char *name, Error **errp)
+static void set_uint8(Object *obj, Visitor *v, void *opaque,
+                      const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int8_t *ptr = qdev_get_prop_ptr(dev, prop);
-    Error *local_err = NULL;
-    int64_t value;
+    uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
 
     if (dev->state != DEV_STATE_CREATED) {
         error_set(errp, QERR_PERMISSION_DENIED);
         return;
     }
 
-    visit_type_int(v, &value, name, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
-    if (value >= prop->info->min && value <= prop->info->max) {
-        *ptr = value;
-    } else {
-        error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
-                  dev->id?:"", name, value, prop->info->min,
-                  prop->info->max);
-    }
+    visit_type_uint8(v, ptr, name, errp);
 }
 
 PropertyInfo qdev_prop_uint8 = {
     .name  = "uint8",
-    .get   = get_int8,
-    .set   = set_int8,
-    .min   = 0,
-    .max   = 255,
+    .get   = get_uint8,
+    .set   = set_uint8,
 };
 
 /* --- 8bit hex value --- */
@@ -154,74 +137,78 @@ PropertyInfo qdev_prop_hex8 = {
     .legacy_name  = "hex8",
     .parse = parse_hex8,
     .print = print_hex8,
-    .get   = get_int8,
-    .set   = set_int8,
-    .min   = 0,
-    .max   = 255,
+    .get   = get_uint8,
+    .set   = set_uint8,
 };
 
 /* --- 16bit integer --- */
 
-static void get_int16(Object *obj, Visitor *v, void *opaque,
-                      const char *name, Error **errp)
+static void get_uint16(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int16_t *ptr = qdev_get_prop_ptr(dev, prop);
-    int64_t value;
+    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
 
-    value = *ptr;
-    visit_type_int(v, &value, name, errp);
+    visit_type_uint16(v, ptr, name, errp);
 }
 
-static void set_int16(Object *obj, Visitor *v, void *opaque,
-                      const char *name, Error **errp)
+static void set_uint16(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int16_t *ptr = qdev_get_prop_ptr(dev, prop);
-    Error *local_err = NULL;
-    int64_t value;
+    uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
 
     if (dev->state != DEV_STATE_CREATED) {
         error_set(errp, QERR_PERMISSION_DENIED);
         return;
     }
 
-    visit_type_int(v, &value, name, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
-    if (value >= prop->info->min && value <= prop->info->max) {
-        *ptr = value;
-    } else {
-        error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
-                  dev->id?:"", name, value, prop->info->min,
-                  prop->info->max);
-    }
+    visit_type_uint16(v, ptr, name, errp);
 }
 
 PropertyInfo qdev_prop_uint16 = {
     .name  = "uint16",
-    .get   = get_int16,
-    .set   = set_int16,
-    .min   = 0,
-    .max   = 65535,
+    .get   = get_uint16,
+    .set   = set_uint16,
 };
 
 /* --- 32bit integer --- */
 
+static void get_uint32(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
+
+    visit_type_uint32(v, ptr, name, errp);
+}
+
+static void set_uint32(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
+{
+    DeviceState *dev = DEVICE(obj);
+    Property *prop = opaque;
+    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
+
+    if (dev->state != DEV_STATE_CREATED) {
+        error_set(errp, QERR_PERMISSION_DENIED);
+        return;
+    }
+
+    visit_type_uint32(v, ptr, name, errp);
+}
+
 static void get_int32(Object *obj, Visitor *v, void *opaque,
                       const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
     int32_t *ptr = qdev_get_prop_ptr(dev, prop);
-    int64_t value;
 
-    value = *ptr;
-    visit_type_int(v, &value, name, errp);
+    visit_type_int32(v, ptr, name, errp);
 }
 
 static void set_int32(Object *obj, Visitor *v, void *opaque,
@@ -230,42 +217,25 @@ static void set_int32(Object *obj, Visitor *v, void *opaque,
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
     int32_t *ptr = qdev_get_prop_ptr(dev, prop);
-    Error *local_err = NULL;
-    int64_t value;
 
     if (dev->state != DEV_STATE_CREATED) {
         error_set(errp, QERR_PERMISSION_DENIED);
         return;
     }
 
-    visit_type_int(v, &value, name, &local_err);
-    if (local_err) {
-        error_propagate(errp, local_err);
-        return;
-    }
-    if (value >= prop->info->min && value <= prop->info->max) {
-        *ptr = value;
-    } else {
-        error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
-                  dev->id?:"", name, value, prop->info->min,
-                  prop->info->max);
-    }
+    visit_type_int32(v, ptr, name, errp);
 }
 
 PropertyInfo qdev_prop_uint32 = {
     .name  = "uint32",
-    .get   = get_int32,
-    .set   = set_int32,
-    .min   = 0,
-    .max   = 0xFFFFFFFFULL,
+    .get   = get_uint32,
+    .set   = set_uint32,
 };
 
 PropertyInfo qdev_prop_int32 = {
     .name  = "int32",
     .get   = get_int32,
     .set   = set_int32,
-    .min   = -0x80000000LL,
-    .max   = 0x7FFFFFFFLL,
 };
 
 /* --- 32bit hex value --- */
@@ -298,43 +268,41 @@ PropertyInfo qdev_prop_hex32 = {
     .legacy_name  = "hex32",
     .parse = parse_hex32,
     .print = print_hex32,
-    .get   = get_int32,
-    .set   = set_int32,
-    .min   = 0,
-    .max   = 0xFFFFFFFFULL,
+    .get   = get_uint32,
+    .set   = set_uint32,
 };
 
 /* --- 64bit integer --- */
 
-static void get_int64(Object *obj, Visitor *v, void *opaque,
-                      const char *name, Error **errp)
+static void get_uint64(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int64_t *ptr = qdev_get_prop_ptr(dev, prop);
+    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 
-    visit_type_int(v, ptr, name, errp);
+    visit_type_uint64(v, ptr, name, errp);
 }
 
-static void set_int64(Object *obj, Visitor *v, void *opaque,
-                      const char *name, Error **errp)
+static void set_uint64(Object *obj, Visitor *v, void *opaque,
+                       const char *name, Error **errp)
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int64_t *ptr = qdev_get_prop_ptr(dev, prop);
+    uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
 
     if (dev->state != DEV_STATE_CREATED) {
         error_set(errp, QERR_PERMISSION_DENIED);
         return;
     }
 
-    visit_type_int(v, ptr, name, errp);
+    visit_type_uint64(v, ptr, name, errp);
 }
 
 PropertyInfo qdev_prop_uint64 = {
     .name  = "uint64",
-    .get   = get_int64,
-    .set   = set_int64,
+    .get   = get_uint64,
+    .set   = set_uint64,
 };
 
 /* --- 64bit hex value --- */
@@ -367,8 +335,8 @@ PropertyInfo qdev_prop_hex64 = {
     .legacy_name  = "hex64",
     .parse = parse_hex64,
     .print = print_hex64,
-    .get   = get_int64,
-    .set   = set_int64,
+    .get   = get_uint64,
+    .set   = set_uint64,
 };
 
 /* --- string --- */
@@ -645,7 +613,7 @@ static void get_vlan(Object *obj, Visitor *v, void *opaque,
     int64_t id;
 
     id = *ptr ? (*ptr)->id : -1;
-    visit_type_int(v, &id, name, errp);
+    visit_type_int64(v, &id, name, errp);
 }
 
 static void set_vlan(Object *obj, Visitor *v, void *opaque,
@@ -663,7 +631,7 @@ static void set_vlan(Object *obj, Visitor *v, void *opaque,
         return;
     }
 
-    visit_type_int(v, &id, name, &local_err);
+    visit_type_int64(v, &id, name, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
@@ -824,7 +792,7 @@ static void set_pci_devfn(Object *obj, Visitor *v, void *opaque,
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
+    int32_t value, *ptr = qdev_get_prop_ptr(dev, prop);
     unsigned int slot, fn, n;
     Error *local_err = NULL;
     char *str;
@@ -837,7 +805,17 @@ static void set_pci_devfn(Object *obj, Visitor *v, void *opaque,
     visit_type_str(v, &str, name, &local_err);
     if (local_err) {
         error_free(local_err);
-        return set_int32(obj, v, opaque, name, errp);
+        local_err = NULL;
+        visit_type_int32(v, &value, name, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+        } else if (value < -1 || value > 255) {
+            error_set(errp, QERR_INVALID_PARAMETER_VALUE, name ? name : "null",
+                      "pci_devfn");
+        } else {
+            *ptr = value;
+        }
+        return;
     }
 
     if (sscanf(str, "%x.%x%n", &slot, &fn, &n) != 2) {
@@ -860,7 +838,7 @@ invalid:
 
 static int print_pci_devfn(DeviceState *dev, Property *prop, char *dest, size_t len)
 {
-    uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
+    int32_t *ptr = qdev_get_prop_ptr(dev, prop);
 
     if (*ptr == -1) {
         return snprintf(dest, len, "<unset>");
@@ -875,11 +853,6 @@ PropertyInfo qdev_prop_pci_devfn = {
     .print = print_pci_devfn,
     .get   = get_int32,
     .set   = set_pci_devfn,
-    /* FIXME: this should be -1...255, but the address is stored
-     * into an uint32_t rather than int32_t.
-     */
-    .min   = 0,
-    .max   = 0xFFFFFFFFULL,
 };
 
 /* --- blocksize --- */
@@ -889,31 +862,31 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
 {
     DeviceState *dev = DEVICE(obj);
     Property *prop = opaque;
-    int16_t *ptr = qdev_get_prop_ptr(dev, prop);
+    uint16_t value, *ptr = qdev_get_prop_ptr(dev, prop);
     Error *local_err = NULL;
-    int64_t value;
+    const int64_t min = 512;
+    const int64_t max = 32768;
 
     if (dev->state != DEV_STATE_CREATED) {
         error_set(errp, QERR_PERMISSION_DENIED);
         return;
     }
 
-    visit_type_int(v, &value, name, &local_err);
+    visit_type_uint16(v, &value, name, &local_err);
     if (local_err) {
         error_propagate(errp, local_err);
         return;
     }
-    if (value < prop->info->min || value > prop->info->max) {
+    if (value < min || value > max) {
         error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE,
-                  dev->id?:"", name, value, prop->info->min,
-                  prop->info->max);
+                  dev->id?:"", name, (int64_t)value, min, max);
         return;
     }
 
     /* We rely on power-of-2 blocksizes for bitmasks */
     if ((value & (value - 1)) != 0) {
         error_set(errp, QERR_PROPERTY_VALUE_NOT_POWER_OF_2,
-                  dev->id?:"", name, value);
+                  dev->id?:"", name, (int64_t)value);
         return;
     }
 
@@ -922,10 +895,8 @@ static void set_blocksize(Object *obj, Visitor *v, void *opaque,
 
 PropertyInfo qdev_prop_blocksize = {
     .name  = "blocksize",
-    .get   = get_int16,
+    .get   = get_uint16,
     .set   = set_blocksize,
-    .min   = 512,
-    .max   = 65024,
 };
 
 /* --- public helpers --- */
diff --git a/hw/qdev.h b/hw/qdev.h
index 4e90119471..5386b165bc 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -122,8 +122,6 @@ struct PropertyInfo {
     const char *name;
     const char *legacy_name;
     const char **enum_table;
-    int64_t min;
-    int64_t max;
     int (*parse)(DeviceState *dev, Property *prop, const char *str);
     int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
     ObjectPropertyAccessor *get;
@@ -267,7 +265,7 @@ extern PropertyInfo qdev_prop_blocksize;
 #define DEFINE_PROP_HEX64(_n, _s, _f, _d)                       \
     DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_hex64, uint64_t)
 #define DEFINE_PROP_PCI_DEVFN(_n, _s, _f, _d)                   \
-    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, uint32_t)
+    DEFINE_PROP_DEFAULT(_n, _s, _f, _d, qdev_prop_pci_devfn, int32_t)
 
 #define DEFINE_PROP_PTR(_n, _s, _f)             \
     DEFINE_PROP(_n, _s, _f, qdev_prop_ptr, void*)
diff --git a/hw/r2d.c b/hw/r2d.c
index c55de0141b..0f16e81afe 100644
--- a/hw/r2d.c
+++ b/hw/r2d.c
@@ -192,16 +192,16 @@ static qemu_irq *r2d_fpga_init(MemoryRegion *sysmem,
 }
 
 typedef struct ResetData {
-    CPUSH4State *env;
+    SuperHCPU *cpu;
     uint32_t vector;
 } ResetData;
 
 static void main_cpu_reset(void *opaque)
 {
     ResetData *s = (ResetData *)opaque;
-    CPUSH4State *env = s->env;
+    CPUSH4State *env = &s->cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(s->cpu));
     env->pc = s->vector;
 }
 
@@ -224,6 +224,7 @@ static void r2d_init(ram_addr_t ram_size,
 	      const char *kernel_filename, const char *kernel_cmdline,
 	      const char *initrd_filename, const char *cpu_model)
 {
+    SuperHCPU *cpu;
     CPUSH4State *env;
     ResetData *reset_info;
     struct SH7750State *s;
@@ -235,16 +236,19 @@ static void r2d_init(ram_addr_t ram_size,
     SysBusDevice *busdev;
     MemoryRegion *address_space_mem = get_system_memory();
 
-    if (!cpu_model)
+    if (cpu_model == NULL) {
         cpu_model = "SH7751R";
+    }
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_sh4_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
+
     reset_info = g_malloc0(sizeof(ResetData));
-    reset_info->env = env;
+    reset_info->cpu = cpu;
     reset_info->vector = env->pc;
     qemu_register_reset(main_cpu_reset, reset_info);
 
diff --git a/hw/realview.c b/hw/realview.c
index ecf470179a..19db4d026b 100644
--- a/hw/realview.c
+++ b/hw/realview.c
@@ -50,7 +50,8 @@ static void realview_init(ram_addr_t ram_size,
                      const char *initrd_filename, const char *cpu_model,
                      enum realview_board_type board_type)
 {
-    CPUARMState *env = NULL;
+    ARMCPU *cpu = NULL;
+    CPUARMState *env;
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *ram_lo = g_new(MemoryRegion, 1);
     MemoryRegion *ram_hi = g_new(MemoryRegion, 1);
@@ -88,14 +89,15 @@ static void realview_init(ram_addr_t ram_size,
         break;
     }
     for (n = 0; n < smp_cpus; n++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_arm_init(cpu_model);
+        if (!cpu) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
-        irqp = arm_pic_init_cpu(env);
+        irqp = arm_pic_init_cpu(cpu);
         cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
     }
+    env = &cpu->env;
     if (arm_feature(env, ARM_FEATURE_V7)) {
         if (is_mpcore) {
             proc_id = 0x0c000000;
@@ -325,7 +327,7 @@ static void realview_init(ram_addr_t ram_size,
     realview_binfo.nb_cpus = smp_cpus;
     realview_binfo.board_id = realview_board_id[board_type];
     realview_binfo.loader_start = (board_type == BOARD_PB_A8 ? 0x70000000 : 0);
-    arm_load_kernel(first_cpu, &realview_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &realview_binfo);
 }
 
 static void realview_eb_init(ram_addr_t ram_size,
diff --git a/hw/s390-virtio-bus.c b/hw/s390-virtio-bus.c
index 1d38a8f5c5..23ef35b3bb 100644
--- a/hw/s390-virtio-bus.c
+++ b/hw/s390-virtio-bus.c
@@ -140,7 +140,8 @@ static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev)
     s390_virtio_device_sync(dev);
     s390_virtio_reset_idx(dev);
     if (dev->qdev.hotplugged) {
-        CPUS390XState *env = s390_cpu_addr2state(0);
+        S390CPU *cpu = s390_cpu_addr2state(0);
+        CPUS390XState *env = &cpu->env;
         s390_virtio_irq(env, VIRTIO_PARAM_DEV_ADD, dev->dev_offs);
     }
 
@@ -354,7 +355,8 @@ static void virtio_s390_notify(void *opaque, uint16_t vector)
 {
     VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
     uint64_t token = s390_virtio_device_vq_token(dev, vector);
-    CPUS390XState *env = s390_cpu_addr2state(0);
+    S390CPU *cpu = s390_cpu_addr2state(0);
+    CPUS390XState *env = &cpu->env;
 
     s390_virtio_irq(env, 0, token);
 }
diff --git a/hw/s390-virtio.c b/hw/s390-virtio.c
index c0e19fd66d..47eed35da3 100644
--- a/hw/s390-virtio.c
+++ b/hw/s390-virtio.c
@@ -61,9 +61,9 @@
 #define MAX_BLK_DEVS                    10
 
 static VirtIOS390Bus *s390_bus;
-static CPUS390XState **ipi_states;
+static S390CPU **ipi_states;
 
-CPUS390XState *s390_cpu_addr2state(uint16_t cpu_addr)
+S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
 {
     if (cpu_addr >= smp_cpus) {
         return NULL;
@@ -206,16 +206,18 @@ static void s390_init(ram_addr_t my_ram_size,
         cpu_model = "host";
     }
 
-    ipi_states = g_malloc(sizeof(CPUS390XState *) * smp_cpus);
+    ipi_states = g_malloc(sizeof(S390CPU *) * smp_cpus);
 
     for (i = 0; i < smp_cpus; i++) {
+        S390CPU *cpu;
         CPUS390XState *tmp_env;
 
-        tmp_env = cpu_init(cpu_model);
+        cpu = cpu_s390x_init(cpu_model);
+        tmp_env = &cpu->env;
         if (!env) {
             env = tmp_env;
         }
-        ipi_states[i] = tmp_env;
+        ipi_states[i] = cpu;
         tmp_env->halted = 1;
         tmp_env->exception_index = EXCP_HLT;
         tmp_env->storage_keys = storage_keys;
diff --git a/hw/s390x/Makefile.objs b/hw/s390x/Makefile.objs
new file mode 100644
index 0000000000..dcdcac8a81
--- /dev/null
+++ b/hw/s390x/Makefile.objs
@@ -0,0 +1,3 @@
+obj-y = s390-virtio-bus.o s390-virtio.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/scsi-bus.c b/hw/scsi-bus.c
index f10f3ec25c..4a798210ce 100644
--- a/hw/scsi-bus.c
+++ b/hw/scsi-bus.c
@@ -1507,10 +1507,9 @@ static void put_scsi_requests(QEMUFile *f, void *pv, size_t size)
     QTAILQ_FOREACH(req, &s->requests, next) {
         assert(!req->io_canceled);
         assert(req->status == -1);
-        assert(req->retry);
         assert(req->enqueued);
 
-        qemu_put_sbyte(f, 1);
+        qemu_put_sbyte(f, req->retry ? 1 : 2);
         qemu_put_buffer(f, req->cmd.buf, sizeof(req->cmd.buf));
         qemu_put_be32s(f, &req->tag);
         qemu_put_be32s(f, &req->lun);
@@ -1528,8 +1527,9 @@ static int get_scsi_requests(QEMUFile *f, void *pv, size_t size)
 {
     SCSIDevice *s = pv;
     SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, s->qdev.parent_bus);
+    int8_t sbyte;
 
-    while (qemu_get_sbyte(f)) {
+    while ((sbyte = qemu_get_sbyte(f)) > 0) {
         uint8_t buf[SCSI_CMD_BUF_SIZE];
         uint32_t tag;
         uint32_t lun;
@@ -1539,6 +1539,7 @@ static int get_scsi_requests(QEMUFile *f, void *pv, size_t size)
         qemu_get_be32s(f, &tag);
         qemu_get_be32s(f, &lun);
         req = scsi_req_new(s, tag, lun, buf, NULL);
+        req->retry = (sbyte == 1);
         if (bus->info->load_request) {
             req->hba_private = bus->info->load_request(f, req);
         }
@@ -1547,7 +1548,6 @@ static int get_scsi_requests(QEMUFile *f, void *pv, size_t size)
         }
 
         /* Just restart it later.  */
-        req->retry = true;
         scsi_req_enqueue_internal(req);
 
         /* At this point, the request will be kept alive by the reference
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index 045c764d9b..1691491c03 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -132,8 +132,14 @@ static void scsi_disk_save_request(QEMUFile *f, SCSIRequest *req)
     qemu_put_be64s(f, &r->sector);
     qemu_put_be32s(f, &r->sector_count);
     qemu_put_be32s(f, &r->buflen);
-    if (r->buflen && r->req.cmd.mode == SCSI_XFER_TO_DEV) {
-        qemu_put_buffer(f, r->iov.iov_base, r->iov.iov_len);
+    if (r->buflen) {
+        if (r->req.cmd.mode == SCSI_XFER_TO_DEV) {
+            qemu_put_buffer(f, r->iov.iov_base, r->iov.iov_len);
+        } else if (!req->retry) {
+            uint32_t len = r->iov.iov_len;
+            qemu_put_be32s(f, &len);
+            qemu_put_buffer(f, r->iov.iov_base, r->iov.iov_len);
+        }
     }
 }
 
@@ -148,6 +154,12 @@ static void scsi_disk_load_request(QEMUFile *f, SCSIRequest *req)
         scsi_init_iovec(r, r->buflen);
         if (r->req.cmd.mode == SCSI_XFER_TO_DEV) {
             qemu_get_buffer(f, r->iov.iov_base, r->iov.iov_len);
+        } else if (!r->req.retry) {
+            uint32_t len;
+            qemu_get_be32s(f, &len);
+            r->iov.iov_len = len;
+            assert(r->iov.iov_len <= r->buflen);
+            qemu_get_buffer(f, r->iov.iov_base, r->iov.iov_len);
         }
     }
 
diff --git a/hw/sh4/Makefile.objs b/hw/sh4/Makefile.objs
new file mode 100644
index 0000000000..68c5921790
--- /dev/null
+++ b/hw/sh4/Makefile.objs
@@ -0,0 +1,5 @@
+obj-y = shix.o r2d.o sh7750.o sh7750_regnames.o tc58128.o
+obj-y += sh_timer.o sh_serial.o sh_intc.o sh_pci.o sm501.o
+obj-y += ide/mmio.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/spapr.c b/hw/spapr.c
index cca20f9a51..d0bddbce95 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -505,9 +505,9 @@ static void spapr_reset(void *opaque)
 
 static void spapr_cpu_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 /* pSeries LPAR / sPAPR hardware init */
@@ -518,6 +518,7 @@ static void ppc_spapr_init(ram_addr_t ram_size,
                            const char *initrd_filename,
                            const char *cpu_model)
 {
+    PowerPCCPU *cpu;
     CPUPPCState *env;
     int i;
     MemoryRegion *sysmem = get_system_memory();
@@ -560,15 +561,16 @@ static void ppc_spapr_init(ram_addr_t ram_size,
         cpu_model = kvm_enabled() ? "host" : "POWER7";
     }
     for (i = 0; i < smp_cpus; i++) {
-        env = cpu_init(cpu_model);
-
-        if (!env) {
+        cpu = cpu_ppc_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find PowerPC CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         /* Set time-base frequency to 512 MHz */
         cpu_ppc_tb_init(env, TIMEBASE_FREQ);
-        qemu_register_reset(spapr_cpu_reset, env);
+        qemu_register_reset(spapr_cpu_reset, cpu);
 
         env->hreset_vector = 0x60;
         env->hreset_excp_prefix = 0;
diff --git a/hw/sparc/Makefile.objs b/hw/sparc/Makefile.objs
new file mode 100644
index 0000000000..a39a511c52
--- /dev/null
+++ b/hw/sparc/Makefile.objs
@@ -0,0 +1,8 @@
+obj-y = sun4m.o lance.o tcx.o sun4m_iommu.o slavio_intctl.o
+obj-y += slavio_timer.o slavio_misc.o sparc32_dma.o
+obj-y += cs4231.o eccmemctl.o sbi.o sun4c_intctl.o leon3.o
+
+# GRLIB
+obj-y += grlib_gptimer.o grlib_irqmp.o grlib_apbuart.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/sparc64/Makefile.objs b/hw/sparc64/Makefile.objs
new file mode 100644
index 0000000000..8c65fc4215
--- /dev/null
+++ b/hw/sparc64/Makefile.objs
@@ -0,0 +1,4 @@
+obj-y = sun4u.o apb_pci.o
+obj-y += mc146818rtc.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/spitz.c b/hw/spitz.c
index 1d6d2b0e1b..20e7835191 100644
--- a/hw/spitz.c
+++ b/hw/spitz.c
@@ -884,7 +884,7 @@ static void spitz_common_init(ram_addr_t ram_size,
                 const char *kernel_cmdline, const char *initrd_filename,
                 const char *cpu_model, enum spitz_model_e model, int arm_id)
 {
-    PXA2xxState *cpu;
+    PXA2xxState *mpu;
     DeviceState *scp0, *scp1 = NULL;
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *rom = g_new(MemoryRegion, 1);
@@ -893,9 +893,9 @@ static void spitz_common_init(ram_addr_t ram_size,
         cpu_model = (model == terrier) ? "pxa270-c5" : "pxa270-c0";
 
     /* Setup CPU & memory */
-    cpu = pxa270_init(address_space_mem, spitz_binfo.ram_size, cpu_model);
+    mpu = pxa270_init(address_space_mem, spitz_binfo.ram_size, cpu_model);
 
-    sl_flash_register(cpu, (model == spitz) ? FLASH_128M : FLASH_1024M);
+    sl_flash_register(mpu, (model == spitz) ? FLASH_128M : FLASH_1024M);
 
     memory_region_init_ram(rom, "spitz.rom", SPITZ_ROM);
     vmstate_register_ram_global(rom);
@@ -903,36 +903,36 @@ static void spitz_common_init(ram_addr_t ram_size,
     memory_region_add_subregion(address_space_mem, 0, rom);
 
     /* Setup peripherals */
-    spitz_keyboard_register(cpu);
+    spitz_keyboard_register(mpu);
 
-    spitz_ssp_attach(cpu);
+    spitz_ssp_attach(mpu);
 
     scp0 = sysbus_create_simple("scoop", 0x10800000, NULL);
     if (model != akita) {
         scp1 = sysbus_create_simple("scoop", 0x08800040, NULL);
     }
 
-    spitz_scoop_gpio_setup(cpu, scp0, scp1);
+    spitz_scoop_gpio_setup(mpu, scp0, scp1);
 
-    spitz_gpio_setup(cpu, (model == akita) ? 1 : 2);
+    spitz_gpio_setup(mpu, (model == akita) ? 1 : 2);
 
-    spitz_i2c_setup(cpu);
+    spitz_i2c_setup(mpu);
 
     if (model == akita)
-        spitz_akita_i2c_setup(cpu);
+        spitz_akita_i2c_setup(mpu);
 
     if (model == terrier)
         /* A 6.0 GB microdrive is permanently sitting in CF slot 1.  */
-        spitz_microdrive_attach(cpu, 1);
+        spitz_microdrive_attach(mpu, 1);
     else if (model != akita)
         /* A 4.0 GB microdrive is permanently sitting in CF slot 0.  */
-        spitz_microdrive_attach(cpu, 0);
+        spitz_microdrive_attach(mpu, 0);
 
     spitz_binfo.kernel_filename = kernel_filename;
     spitz_binfo.kernel_cmdline = kernel_cmdline;
     spitz_binfo.initrd_filename = initrd_filename;
     spitz_binfo.board_id = arm_id;
-    arm_load_kernel(cpu->env, &spitz_binfo);
+    arm_load_kernel(mpu->cpu, &spitz_binfo);
     sl_bootparam_write(SL_PXA_PARAM_BASE);
 }
 
diff --git a/hw/strongarm.c b/hw/strongarm.c
index 1b15f399f1..7150eeb2db 100644
--- a/hw/strongarm.c
+++ b/hw/strongarm.c
@@ -1563,9 +1563,9 @@ StrongARMState *sa1110_init(MemoryRegion *sysmem,
         exit(1);
     }
 
-    s->env = cpu_init(rev);
+    s->cpu = cpu_arm_init(rev);
 
-    if (!s->env) {
+    if (!s->cpu) {
         error_report("Unable to find CPU definition");
         exit(1);
     }
@@ -1574,7 +1574,7 @@ StrongARMState *sa1110_init(MemoryRegion *sysmem,
     vmstate_register_ram_global(&s->sdram);
     memory_region_add_subregion(sysmem, SA_SDCS0, &s->sdram);
 
-    pic = arm_pic_init_cpu(s->env);
+    pic = arm_pic_init_cpu(s->cpu);
     s->pic = sysbus_create_varargs("strongarm_pic", 0x90050000,
                     pic[ARM_PIC_CPU_IRQ], pic[ARM_PIC_CPU_FIQ], NULL);
 
diff --git a/hw/strongarm.h b/hw/strongarm.h
index 02acac3db1..d30dd6ac5e 100644
--- a/hw/strongarm.h
+++ b/hw/strongarm.h
@@ -53,7 +53,7 @@ enum {
 };
 
 typedef struct {
-    CPUARMState *env;
+    ARMCPU *cpu;
     MemoryRegion sdram;
     DeviceState *pic;
     DeviceState *gpio;
diff --git a/hw/sun4m.c b/hw/sun4m.c
index 34088ad185..a959261209 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -281,17 +281,19 @@ static void dummy_cpu_set_irq(void *opaque, int irq, int level)
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUSPARCState *env = opaque;
+    SPARCCPU *cpu = opaque;
+    CPUSPARCState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     env->halted = 0;
 }
 
 static void secondary_cpu_reset(void *opaque)
 {
-    CPUSPARCState *env = opaque;
+    SPARCCPU *cpu = opaque;
+    CPUSPARCState *env = &cpu->env;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     env->halted = 1;
 }
 
@@ -809,19 +811,21 @@ static TypeInfo ram_info = {
 static void cpu_devinit(const char *cpu_model, unsigned int id,
                         uint64_t prom_addr, qemu_irq **cpu_irqs)
 {
+    SPARCCPU *cpu;
     CPUSPARCState *env;
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_sparc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "qemu: Unable to find Sparc CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
     cpu_sparc_set_id(env, id);
     if (id == 0) {
-        qemu_register_reset(main_cpu_reset, env);
+        qemu_register_reset(main_cpu_reset, cpu);
     } else {
-        qemu_register_reset(secondary_cpu_reset, env);
+        qemu_register_reset(secondary_cpu_reset, cpu);
         env->halted = 1;
     }
     *cpu_irqs = qemu_allocate_irqs(cpu_set_irq, env, MAX_PILS);
diff --git a/hw/sun4u.c b/hw/sun4u.c
index 517bdb818d..137a7c6666 100644
--- a/hw/sun4u.c
+++ b/hw/sun4u.c
@@ -342,7 +342,7 @@ static void cpu_set_ivec_irq(void *opaque, int irq, int level)
 }
 
 typedef struct ResetData {
-    CPUSPARCState *env;
+    SPARCCPU *cpu;
     uint64_t prom_addr;
 } ResetData;
 
@@ -395,10 +395,10 @@ static void cpu_timer_reset(CPUTimer *timer)
 static void main_cpu_reset(void *opaque)
 {
     ResetData *s = (ResetData *)opaque;
-    CPUSPARCState *env = s->env;
+    CPUSPARCState *env = &s->cpu->env;
     static unsigned int nr_resets;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(s->cpu));
 
     cpu_timer_reset(env->tick);
     cpu_timer_reset(env->stick);
@@ -752,8 +752,9 @@ static TypeInfo ram_info = {
     .class_init    = ram_class_init,
 };
 
-static CPUSPARCState *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
+static SPARCCPU *cpu_devinit(const char *cpu_model, const struct hwdef *hwdef)
 {
+    SPARCCPU *cpu;
     CPUSPARCState *env;
     ResetData *reset_info;
 
@@ -761,13 +762,15 @@ static CPUSPARCState *cpu_devinit(const char *cpu_model, const struct hwdef *hwd
     uint32_t  stick_frequency = 100*1000000;
     uint32_t hstick_frequency = 100*1000000;
 
-    if (!cpu_model)
+    if (cpu_model == NULL) {
         cpu_model = hwdef->default_cpu_model;
-    env = cpu_init(cpu_model);
-    if (!env) {
+    }
+    cpu = cpu_sparc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to find Sparc CPU definition\n");
         exit(1);
     }
+    env = &cpu->env;
 
     env->tick = cpu_timer_create("tick", env, tick_irq,
                                   tick_frequency, TICK_NPT_MASK);
@@ -779,11 +782,11 @@ static CPUSPARCState *cpu_devinit(const char *cpu_model, const struct hwdef *hwd
                                     hstick_frequency, TICK_INT_DIS);
 
     reset_info = g_malloc0(sizeof(ResetData));
-    reset_info->env = env;
+    reset_info->cpu = cpu;
     reset_info->prom_addr = hwdef->prom_addr;
     qemu_register_reset(main_cpu_reset, reset_info);
 
-    return env;
+    return cpu;
 }
 
 static void sun4uv_init(MemoryRegion *address_space_mem,
@@ -793,6 +796,7 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
                         const char *initrd_filename, const char *cpu_model,
                         const struct hwdef *hwdef)
 {
+    SPARCCPU *cpu;
     CPUSPARCState *env;
     M48t59State *nvram;
     unsigned int i;
@@ -805,7 +809,8 @@ static void sun4uv_init(MemoryRegion *address_space_mem,
     void *fw_cfg;
 
     /* init CPUs */
-    env = cpu_devinit(cpu_model, hwdef);
+    cpu = cpu_devinit(cpu_model, hwdef);
+    env = &cpu->env;
 
     /* set up devices */
     ram_init(0, RAM_size);
diff --git a/hw/tosa.c b/hw/tosa.c
index 6baa17d6b5..297a8c2ed0 100644
--- a/hw/tosa.c
+++ b/hw/tosa.c
@@ -212,14 +212,14 @@ static void tosa_init(ram_addr_t ram_size,
 {
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *rom = g_new(MemoryRegion, 1);
-    PXA2xxState *cpu;
+    PXA2xxState *mpu;
     TC6393xbState *tmio;
     DeviceState *scp0, *scp1;
 
     if (!cpu_model)
         cpu_model = "pxa255";
 
-    cpu = pxa255_init(address_space_mem, tosa_binfo.ram_size);
+    mpu = pxa255_init(address_space_mem, tosa_binfo.ram_size);
 
     memory_region_init_ram(rom, "tosa.rom", TOSA_ROM);
     vmstate_register_ram_global(rom);
@@ -227,22 +227,22 @@ static void tosa_init(ram_addr_t ram_size,
     memory_region_add_subregion(address_space_mem, 0, rom);
 
     tmio = tc6393xb_init(address_space_mem, 0x10000000,
-            qdev_get_gpio_in(cpu->gpio, TOSA_GPIO_TC6393XB_INT));
+            qdev_get_gpio_in(mpu->gpio, TOSA_GPIO_TC6393XB_INT));
 
     scp0 = sysbus_create_simple("scoop", 0x08800000, NULL);
     scp1 = sysbus_create_simple("scoop", 0x14800040, NULL);
 
-    tosa_gpio_setup(cpu, scp0, scp1, tmio);
+    tosa_gpio_setup(mpu, scp0, scp1, tmio);
 
-    tosa_microdrive_attach(cpu);
+    tosa_microdrive_attach(mpu);
 
-    tosa_tg_init(cpu);
+    tosa_tg_init(mpu);
 
     tosa_binfo.kernel_filename = kernel_filename;
     tosa_binfo.kernel_cmdline = kernel_cmdline;
     tosa_binfo.initrd_filename = initrd_filename;
     tosa_binfo.board_id = 0x208;
-    arm_load_kernel(cpu->env, &tosa_binfo);
+    arm_load_kernel(mpu->cpu, &tosa_binfo);
     sl_bootparam_write(SL_PXA_PARAM_BASE);
 }
 
diff --git a/hw/usb/Makefile.objs b/hw/usb/Makefile.objs
new file mode 100644
index 0000000000..9c7ddf5cb2
--- /dev/null
+++ b/hw/usb/Makefile.objs
@@ -0,0 +1,13 @@
+hw-obj-$(CONFIG_USB_UHCI) += hcd-uhci.o
+hw-obj-$(CONFIG_USB_OHCI) += hcd-ohci.o
+hw-obj-$(CONFIG_USB_EHCI) += hcd-ehci.o
+hw-obj-$(CONFIG_USB_XHCI) += hcd-xhci.o
+hw-obj-y += libhw.o
+
+hw-obj-$(CONFIG_SMARTCARD) += dev-smartcard-reader.o
+hw-obj-$(CONFIG_USB_REDIR) += redirect.o
+
+common-obj-y += core.o bus.o desc.o dev-hub.o
+common-obj-y += host-$(HOST_USB).o dev-bluetooth.o
+common-obj-y += dev-hid.o dev-storage.o dev-wacom.o
+common-obj-y += dev-serial.o dev-network.o dev-audio.o
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index b238a0973d..5d2f0982c9 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1356,6 +1356,7 @@ static int usb_net_initfn(USBDevice *dev)
 
 static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
 {
+    Error *local_err = NULL;
     USBDevice *dev;
     QemuOpts *opts;
     int idx;
@@ -1367,8 +1368,10 @@ static USBDevice *usb_net_init(USBBus *bus, const char *cmdline)
     qemu_opt_set(opts, "type", "nic");
     qemu_opt_set(opts, "model", "usb");
 
-    idx = net_client_init(NULL, opts, 0);
-    if (idx == -1) {
+    idx = net_client_init(opts, 0, &local_err);
+    if (error_is_set(&local_err)) {
+        qerror_report_err(local_err);
+        error_free(local_err);
         return NULL;
     }
 
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index ae22fb1c97..097d7b4a6d 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -48,10 +48,9 @@ struct usb_msd_csw {
 typedef struct {
     USBDevice dev;
     enum USBMSDMode mode;
+    uint32_t scsi_off;
     uint32_t scsi_len;
-    uint8_t *scsi_buf;
     uint32_t data_len;
-    uint32_t residue;
     struct usb_msd_csw csw;
     SCSIRequest *req;
     SCSIBus bus;
@@ -179,9 +178,9 @@ static void usb_msd_copy_data(MSDState *s, USBPacket *p)
     len = p->iov.size - p->result;
     if (len > s->scsi_len)
         len = s->scsi_len;
-    usb_packet_copy(p, s->scsi_buf, len);
+    usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
     s->scsi_len -= len;
-    s->scsi_buf += len;
+    s->scsi_off += len;
     s->data_len -= len;
     if (s->scsi_len == 0 || s->data_len == 0) {
         scsi_req_continue(s->req);
@@ -201,6 +200,18 @@ static void usb_msd_send_status(MSDState *s, USBPacket *p)
     memset(&s->csw, 0, sizeof(s->csw));
 }
 
+static void usb_msd_packet_complete(MSDState *s)
+{
+    USBPacket *p = s->packet;
+
+    /* Set s->packet to NULL before calling usb_packet_complete
+       because another request may be issued before
+       usb_packet_complete returns.  */
+    DPRINTF("Packet complete %p\n", p);
+    s->packet = NULL;
+    usb_packet_complete(&s->dev, p);
+}
+
 static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
 {
     MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
@@ -208,17 +219,12 @@ static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
 
     assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
     s->scsi_len = len;
-    s->scsi_buf = scsi_req_get_buf(req);
+    s->scsi_off = 0;
     if (p) {
         usb_msd_copy_data(s, p);
         p = s->packet;
         if (p && p->result == p->iov.size) {
-            /* Set s->packet to NULL before calling usb_packet_complete
-               because another request may be issued before
-               usb_packet_complete returns.  */
-            DPRINTF("Packet complete %p\n", p);
-            s->packet = NULL;
-            usb_packet_complete(&s->dev, p);
+            usb_msd_packet_complete(s);
         }
     }
 }
@@ -229,11 +235,10 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t r
     USBPacket *p = s->packet;
 
     DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
-    s->residue = s->data_len;
 
     s->csw.sig = cpu_to_le32(0x53425355);
     s->csw.tag = cpu_to_le32(req->tag);
-    s->csw.residue = cpu_to_le32(s->residue);
+    s->csw.residue = cpu_to_le32(s->data_len);
     s->csw.status = status != 0;
 
     if (s->packet) {
@@ -252,8 +257,7 @@ static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t r
                 s->mode = USB_MSDM_CSW;
             }
         }
-        s->packet = NULL;
-        usb_packet_complete(&s->dev, p);
+        usb_msd_packet_complete(s);
     } else if (s->data_len == 0) {
         s->mode = USB_MSDM_CSW;
     }
@@ -283,10 +287,8 @@ static void usb_msd_handle_reset(USBDevice *dev)
     assert(s->req == NULL);
 
     if (s->packet) {
-        USBPacket *p = s->packet;
-        s->packet = NULL;
-        p->result = USB_RET_STALL;
-        usb_packet_complete(dev, p);
+        s->packet->result = USB_RET_STALL;
+        usb_msd_packet_complete(s);
     }
 
     s->mode = USB_MSDM_CBW;
@@ -378,7 +380,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
             }
             DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
                     tag, cbw.flags, cbw.cmd_len, s->data_len);
-            s->residue = 0;
+            assert(le32_to_cpu(s->csw.residue) == 0);
             s->scsi_len = 0;
             s->req = scsi_req_new(s->scsi_dev, tag, 0, cbw.cmd, NULL);
             scsi_req_enqueue(s->req);
@@ -397,7 +399,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
             if (s->scsi_len) {
                 usb_msd_copy_data(s, p);
             }
-            if (s->residue) {
+            if (le32_to_cpu(s->csw.residue)) {
                 int len = p->iov.size - p->result;
                 if (len) {
                     usb_packet_skip(p, len);
@@ -458,7 +460,7 @@ static int usb_msd_handle_data(USBDevice *dev, USBPacket *p)
             if (s->scsi_len) {
                 usb_msd_copy_data(s, p);
             }
-            if (s->residue) {
+            if (le32_to_cpu(s->csw.residue)) {
                 int len = p->iov.size - p->result;
                 if (len) {
                     usb_packet_skip(p, len);
@@ -504,6 +506,17 @@ static void usb_msd_password_cb(void *opaque, int err)
         qdev_unplug(&s->dev.qdev, NULL);
 }
 
+static void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req)
+{
+    MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
+
+    /* nothing to load, just store req in our state struct */
+    assert(s->req == NULL);
+    scsi_req_ref(req);
+    s->req = req;
+    return NULL;
+}
+
 static const struct SCSIBusInfo usb_msd_scsi_info = {
     .tcq = false,
     .max_target = 0,
@@ -511,7 +524,8 @@ static const struct SCSIBusInfo usb_msd_scsi_info = {
 
     .transfer_data = usb_msd_transfer_data,
     .complete = usb_msd_command_complete,
-    .cancel = usb_msd_request_cancelled
+    .cancel = usb_msd_request_cancelled,
+    .load_request = usb_msd_load_request,
 };
 
 static int usb_msd_initfn(USBDevice *dev)
@@ -584,7 +598,7 @@ static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
 
     /* parse -usbdevice disk: syntax into drive opts */
     snprintf(id, sizeof(id), "usb%d", nr++);
-    opts = qemu_opts_create(qemu_find_opts("drive"), id, 0);
+    opts = qemu_opts_create(qemu_find_opts("drive"), id, 0, NULL);
 
     p1 = strchr(filename, ':');
     if (p1++) {
@@ -631,11 +645,18 @@ static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
 
 static const VMStateDescription vmstate_usb_msd = {
     .name = "usb-storage",
-    .unmigratable = 1, /* FIXME: handle transactions which are in flight */
     .version_id = 1,
     .minimum_version_id = 1,
     .fields = (VMStateField []) {
         VMSTATE_USB_DEVICE(dev, MSDState),
+        VMSTATE_UINT32(mode, MSDState),
+        VMSTATE_UINT32(scsi_len, MSDState),
+        VMSTATE_UINT32(scsi_off, MSDState),
+        VMSTATE_UINT32(data_len, MSDState),
+        VMSTATE_UINT32(csw.sig, MSDState),
+        VMSTATE_UINT32(csw.tag, MSDState),
+        VMSTATE_UINT32(csw.residue, MSDState),
+        VMSTATE_UINT8(csw.status, MSDState),
         VMSTATE_END_OF_LIST()
     }
 };
diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index e759c996ce..5298204d9d 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -334,6 +334,7 @@ typedef struct EHCIfstn {
     uint32_t backptr;                 // Standard next link pointer
 } EHCIfstn;
 
+typedef struct EHCIPacket EHCIPacket;
 typedef struct EHCIQueue EHCIQueue;
 typedef struct EHCIState EHCIState;
 
@@ -343,26 +344,36 @@ enum async_state {
     EHCI_ASYNC_FINISHED,
 };
 
+struct EHCIPacket {
+    EHCIQueue *queue;
+    QTAILQ_ENTRY(EHCIPacket) next;
+
+    EHCIqtd qtd;           /* copy of current QTD (being worked on) */
+    uint32_t qtdaddr;      /* address QTD read from                 */
+
+    USBPacket packet;
+    QEMUSGList sgl;
+    int pid;
+    uint32_t tbytes;
+    enum async_state async;
+    int usb_status;
+};
+
 struct EHCIQueue {
     EHCIState *ehci;
     QTAILQ_ENTRY(EHCIQueue) next;
     uint32_t seen;
     uint64_t ts;
+    int async;
 
     /* cached data from guest - needs to be flushed
      * when guest removes an entry (doorbell, handshake sequence)
      */
-    EHCIqh qh;             // copy of current QH (being worked on)
-    uint32_t qhaddr;       // address QH read from
-    EHCIqtd qtd;           // copy of current QTD (being worked on)
-    uint32_t qtdaddr;      // address QTD read from
-
-    USBPacket packet;
-    QEMUSGList sgl;
-    int pid;
-    uint32_t tbytes;
-    enum async_state async;
-    int usb_status;
+    EHCIqh qh;             /* copy of current QH (being worked on) */
+    uint32_t qhaddr;       /* address QH read from                 */
+    uint32_t qtdaddr;      /* address QTD read from                */
+    USBDevice *dev;
+    QTAILQ_HEAD(, EHCIPacket) packets;
 };
 
 typedef QTAILQ_HEAD(EHCIQueueHead, EHCIQueue) EHCIQueueHead;
@@ -375,7 +386,6 @@ struct EHCIState {
     int companion_count;
 
     /* properties */
-    uint32_t freq;
     uint32_t maxframes;
 
     /*
@@ -403,7 +413,7 @@ struct EHCIState {
      *  Internal states, shadow registers, etc
      */
     QEMUTimer *frame_timer;
-    int attach_poll_counter;
+    QEMUBH *async_bh;
     int astate;                        // Current state in asynchronous schedule
     int pstate;                        // Current state in periodic schedule
     USBPort ports[NB_PORTS];
@@ -419,6 +429,7 @@ struct EHCIState {
     QEMUSGList isgl;
 
     uint64_t last_run_ns;
+    uint32_t async_stepdown;
 };
 
 #define SET_LAST_RUN_CLOCK(s) \
@@ -574,14 +585,37 @@ static inline void ehci_commit_interrupt(EHCIState *s)
     s->usbsts_pending = 0;
 }
 
+static void ehci_update_halt(EHCIState *s)
+{
+    if (s->usbcmd & USBCMD_RUNSTOP) {
+        ehci_clear_usbsts(s, USBSTS_HALT);
+    } else {
+        if (s->astate == EST_INACTIVE && s->pstate == EST_INACTIVE) {
+            ehci_set_usbsts(s, USBSTS_HALT);
+        }
+    }
+}
+
 static void ehci_set_state(EHCIState *s, int async, int state)
 {
     if (async) {
         trace_usb_ehci_state("async", state2str(state));
         s->astate = state;
+        if (s->astate == EST_INACTIVE) {
+            ehci_clear_usbsts(s, USBSTS_ASS);
+            ehci_update_halt(s);
+        } else {
+            ehci_set_usbsts(s, USBSTS_ASS);
+        }
     } else {
         trace_usb_ehci_state("periodic", state2str(state));
         s->pstate = state;
+        if (s->pstate == EST_INACTIVE) {
+            ehci_clear_usbsts(s, USBSTS_PSS);
+            ehci_update_halt(s);
+        } else {
+            ehci_set_usbsts(s, USBSTS_PSS);
+        }
     }
 }
 
@@ -655,27 +689,71 @@ static void ehci_trace_sitd(EHCIState *s, target_phys_addr_t addr,
                         (bool)(sitd->results & SITD_RESULTS_ACTIVE));
 }
 
+static inline bool ehci_enabled(EHCIState *s)
+{
+    return s->usbcmd & USBCMD_RUNSTOP;
+}
+
+static inline bool ehci_async_enabled(EHCIState *s)
+{
+    return ehci_enabled(s) && (s->usbcmd & USBCMD_ASE);
+}
+
+static inline bool ehci_periodic_enabled(EHCIState *s)
+{
+    return ehci_enabled(s) && (s->usbcmd & USBCMD_PSE);
+}
+
+/* packet management */
+
+static EHCIPacket *ehci_alloc_packet(EHCIQueue *q)
+{
+    EHCIPacket *p;
+
+    p = g_new0(EHCIPacket, 1);
+    p->queue = q;
+    usb_packet_init(&p->packet);
+    QTAILQ_INSERT_TAIL(&q->packets, p, next);
+    trace_usb_ehci_packet_action(p->queue, p, "alloc");
+    return p;
+}
+
+static void ehci_free_packet(EHCIPacket *p)
+{
+    trace_usb_ehci_packet_action(p->queue, p, "free");
+    if (p->async == EHCI_ASYNC_INFLIGHT) {
+        usb_cancel_packet(&p->packet);
+    }
+    QTAILQ_REMOVE(&p->queue->packets, p, next);
+    usb_packet_cleanup(&p->packet);
+    g_free(p);
+}
+
 /* queue management */
 
-static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, int async)
+static EHCIQueue *ehci_alloc_queue(EHCIState *ehci, uint32_t addr, int async)
 {
     EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues;
     EHCIQueue *q;
 
     q = g_malloc0(sizeof(*q));
     q->ehci = ehci;
-    usb_packet_init(&q->packet);
+    q->qhaddr = addr;
+    q->async = async;
+    QTAILQ_INIT(&q->packets);
     QTAILQ_INSERT_HEAD(head, q, next);
     trace_usb_ehci_queue_action(q, "alloc");
     return q;
 }
 
-static void ehci_free_queue(EHCIQueue *q, int async)
+static void ehci_free_queue(EHCIQueue *q)
 {
-    EHCIQueueHead *head = async ? &q->ehci->aqueues : &q->ehci->pqueues;
+    EHCIQueueHead *head = q->async ? &q->ehci->aqueues : &q->ehci->pqueues;
+    EHCIPacket *p;
+
     trace_usb_ehci_queue_action(q, "free");
-    if (q->async == EHCI_ASYNC_INFLIGHT) {
-        usb_cancel_packet(&q->packet);
+    while ((p = QTAILQ_FIRST(&q->packets)) != NULL) {
+        ehci_free_packet(p);
     }
     QTAILQ_REMOVE(head, q, next);
     g_free(q);
@@ -698,6 +776,7 @@ static EHCIQueue *ehci_find_queue_by_qh(EHCIState *ehci, uint32_t addr,
 static void ehci_queues_rip_unused(EHCIState *ehci, int async, int flush)
 {
     EHCIQueueHead *head = async ? &ehci->aqueues : &ehci->pqueues;
+    uint64_t maxage = FRAME_TIMER_NS * ehci->maxframes * 4;
     EHCIQueue *q, *tmp;
 
     QTAILQ_FOREACH_SAFE(q, head, next, tmp) {
@@ -706,11 +785,10 @@ static void ehci_queues_rip_unused(EHCIState *ehci, int async, int flush)
             q->ts = ehci->last_run_ns;
             continue;
         }
-        if (!flush && ehci->last_run_ns < q->ts + 250000000) {
-            /* allow 0.25 sec idle */
+        if (!flush && ehci->last_run_ns < q->ts + maxage) {
             continue;
         }
-        ehci_free_queue(q, async);
+        ehci_free_queue(q);
     }
 }
 
@@ -720,11 +798,10 @@ static void ehci_queues_rip_device(EHCIState *ehci, USBDevice *dev, int async)
     EHCIQueue *q, *tmp;
 
     QTAILQ_FOREACH_SAFE(q, head, next, tmp) {
-        if (!usb_packet_is_inflight(&q->packet) ||
-            q->packet.ep->dev != dev) {
+        if (q->dev != dev) {
             continue;
         }
-        ehci_free_queue(q, async);
+        ehci_free_queue(q);
     }
 }
 
@@ -734,7 +811,7 @@ static void ehci_queues_rip_all(EHCIState *ehci, int async)
     EHCIQueue *q, *tmp;
 
     QTAILQ_FOREACH_SAFE(q, head, next, tmp) {
-        ehci_free_queue(q, async);
+        ehci_free_queue(q);
     }
 }
 
@@ -812,6 +889,8 @@ static void ehci_wakeup(USBPort *port)
         USBPort *companion = s->companion_ports[port->index];
         if (companion->ops->wakeup) {
             companion->ops->wakeup(companion);
+        } else {
+            qemu_bh_schedule(s->async_bh);
         }
     }
 }
@@ -904,7 +983,6 @@ static void ehci_reset(void *opaque)
 
     s->astate = EST_INACTIVE;
     s->pstate = EST_INACTIVE;
-    s->attach_poll_counter = 0;
 
     for(i = 0; i < NB_PORTS; i++) {
         if (s->companion_ports[i]) {
@@ -920,6 +998,7 @@ static void ehci_reset(void *opaque)
     ehci_queues_rip_all(s, 0);
     ehci_queues_rip_all(s, 1);
     qemu_del_timer(s->frame_timer);
+    qemu_bh_cancel(s->async_bh);
 }
 
 static uint32_t ehci_mem_readb(void *ptr, target_phys_addr_t addr)
@@ -1064,22 +1143,20 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
     /* Do any register specific pre-write processing here.  */
     switch(addr) {
     case USBCMD:
-        if ((val & USBCMD_RUNSTOP) && !(s->usbcmd & USBCMD_RUNSTOP)) {
-            qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock));
-            SET_LAST_RUN_CLOCK(s);
-            ehci_clear_usbsts(s, USBSTS_HALT);
-        }
-
-        if (!(val & USBCMD_RUNSTOP) && (s->usbcmd & USBCMD_RUNSTOP)) {
-            qemu_del_timer(s->frame_timer);
-            ehci_queues_rip_all(s, 0);
-            ehci_queues_rip_all(s, 1);
-            ehci_set_usbsts(s, USBSTS_HALT);
-        }
-
         if (val & USBCMD_HCRESET) {
             ehci_reset(s);
             val = s->usbcmd;
+            break;
+        }
+
+        if (((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & val) !=
+            ((USBCMD_RUNSTOP | USBCMD_PSE | USBCMD_ASE) & s->usbcmd)) {
+            if (s->pstate == EST_INACTIVE) {
+                SET_LAST_RUN_CLOCK(s);
+            }
+            ehci_update_halt(s);
+            s->async_stepdown = 0;
+            qemu_mod_timer(s->frame_timer, qemu_get_clock_ns(vm_clock));
         }
 
         /* not supporting dynamic frame list size at the moment */
@@ -1114,7 +1191,7 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
         break;
 
     case PERIODICLISTBASE:
-        if ((s->usbcmd & USBCMD_PSE) && (s->usbcmd & USBCMD_RUNSTOP)) {
+        if (ehci_periodic_enabled(s)) {
             fprintf(stderr,
               "ehci: PERIODIC list base register set while periodic schedule\n"
               "      is enabled and HC is enabled\n");
@@ -1122,7 +1199,7 @@ static void ehci_mem_writel(void *ptr, target_phys_addr_t addr, uint32_t val)
         break;
 
     case ASYNCLISTADDR:
-        if ((s->usbcmd & USBCMD_ASE) && (s->usbcmd & USBCMD_RUNSTOP)) {
+        if (ehci_async_enabled(s)) {
             fprintf(stderr,
               "ehci: ASYNC list address register set while async schedule\n"
               "      is enabled and HC is enabled\n");
@@ -1169,21 +1246,25 @@ static inline int put_dwords(EHCIState *ehci, uint32_t addr,
 
 static int ehci_qh_do_overlay(EHCIQueue *q)
 {
+    EHCIPacket *p = QTAILQ_FIRST(&q->packets);
     int i;
     int dtoggle;
     int ping;
     int eps;
     int reload;
 
+    assert(p != NULL);
+    assert(p->qtdaddr == q->qtdaddr);
+
     // remember values in fields to preserve in qh after overlay
 
     dtoggle = q->qh.token & QTD_TOKEN_DTOGGLE;
     ping    = q->qh.token & QTD_TOKEN_PING;
 
-    q->qh.current_qtd = q->qtdaddr;
-    q->qh.next_qtd    = q->qtd.next;
-    q->qh.altnext_qtd = q->qtd.altnext;
-    q->qh.token       = q->qtd.token;
+    q->qh.current_qtd = p->qtdaddr;
+    q->qh.next_qtd    = p->qtd.next;
+    q->qh.altnext_qtd = p->qtd.altnext;
+    q->qh.token       = p->qtd.token;
 
 
     eps = get_field(q->qh.epchar, QH_EPCHAR_EPS);
@@ -1196,7 +1277,7 @@ static int ehci_qh_do_overlay(EHCIQueue *q)
     set_field(&q->qh.altnext_qtd, reload, QH_ALTNEXT_NAKCNT);
 
     for (i = 0; i < 5; i++) {
-        q->qh.bufptr[i] = q->qtd.bufptr[i];
+        q->qh.bufptr[i] = p->qtd.bufptr[i];
     }
 
     if (!(q->qh.epchar & QH_EPCHAR_DTC)) {
@@ -1214,15 +1295,15 @@ static int ehci_qh_do_overlay(EHCIQueue *q)
     return 0;
 }
 
-static int ehci_init_transfer(EHCIQueue *q)
+static int ehci_init_transfer(EHCIPacket *p)
 {
     uint32_t cpage, offset, bytes, plen;
     dma_addr_t page;
 
-    cpage  = get_field(q->qh.token, QTD_TOKEN_CPAGE);
-    bytes  = get_field(q->qh.token, QTD_TOKEN_TBYTES);
-    offset = q->qh.bufptr[0] & ~QTD_BUFPTR_MASK;
-    pci_dma_sglist_init(&q->sgl, &q->ehci->dev, 5);
+    cpage  = get_field(p->qtd.token, QTD_TOKEN_CPAGE);
+    bytes  = get_field(p->qtd.token, QTD_TOKEN_TBYTES);
+    offset = p->qtd.bufptr[0] & ~QTD_BUFPTR_MASK;
+    pci_dma_sglist_init(&p->sgl, &p->queue->ehci->dev, 5);
 
     while (bytes > 0) {
         if (cpage > 4) {
@@ -1230,7 +1311,7 @@ static int ehci_init_transfer(EHCIQueue *q)
             return USB_RET_PROCERR;
         }
 
-        page  = q->qh.bufptr[cpage] & QTD_BUFPTR_MASK;
+        page  = p->qtd.bufptr[cpage] & QTD_BUFPTR_MASK;
         page += offset;
         plen  = bytes;
         if (plen > 4096 - offset) {
@@ -1239,7 +1320,7 @@ static int ehci_init_transfer(EHCIQueue *q)
             cpage++;
         }
 
-        qemu_sglist_add(&q->sgl, page, plen);
+        qemu_sglist_add(&p->sgl, page, plen);
         bytes -= plen;
     }
     return 0;
@@ -1249,8 +1330,6 @@ static void ehci_finish_transfer(EHCIQueue *q, int status)
 {
     uint32_t cpage, offset;
 
-    qemu_sglist_destroy(&q->sgl);
-
     if (status > 0) {
         /* update cpage & offset */
         cpage  = get_field(q->qh.token, QTD_TOKEN_CPAGE);
@@ -1268,7 +1347,7 @@ static void ehci_finish_transfer(EHCIQueue *q, int status)
 
 static void ehci_async_complete_packet(USBPort *port, USBPacket *packet)
 {
-    EHCIQueue *q;
+    EHCIPacket *p;
     EHCIState *s = port->opaque;
     uint32_t portsc = s->portsc[port->index];
 
@@ -1278,23 +1357,31 @@ static void ehci_async_complete_packet(USBPort *port, USBPacket *packet)
         return;
     }
 
-    q = container_of(packet, EHCIQueue, packet);
-    trace_usb_ehci_queue_action(q, "wakeup");
-    assert(q->async == EHCI_ASYNC_INFLIGHT);
-    q->async = EHCI_ASYNC_FINISHED;
-    q->usb_status = packet->result;
+    p = container_of(packet, EHCIPacket, packet);
+    trace_usb_ehci_packet_action(p->queue, p, "wakeup");
+    assert(p->async == EHCI_ASYNC_INFLIGHT);
+    p->async = EHCI_ASYNC_FINISHED;
+    p->usb_status = packet->result;
+
+    if (p->queue->async) {
+        qemu_bh_schedule(p->queue->ehci->async_bh);
+    }
 }
 
 static void ehci_execute_complete(EHCIQueue *q)
 {
-    assert(q->async != EHCI_ASYNC_INFLIGHT);
-    q->async = EHCI_ASYNC_NONE;
+    EHCIPacket *p = QTAILQ_FIRST(&q->packets);
+
+    assert(p != NULL);
+    assert(p->qtdaddr == q->qtdaddr);
+    assert(p->async != EHCI_ASYNC_INFLIGHT);
+    p->async = EHCI_ASYNC_NONE;
 
     DPRINTF("execute_complete: qhaddr 0x%x, next %x, qtdaddr 0x%x, status %d\n",
             q->qhaddr, q->qh.next, q->qtdaddr, q->usb_status);
 
-    if (q->usb_status < 0) {
-        switch(q->usb_status) {
+    if (p->usb_status < 0) {
+        switch (p->usb_status) {
         case USB_RET_IOERROR:
         case USB_RET_NODEV:
             q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_XACTERR);
@@ -1314,28 +1401,29 @@ static void ehci_execute_complete(EHCIQueue *q)
             break;
         default:
             /* should not be triggerable */
-            fprintf(stderr, "USB invalid response %d to handle\n", q->usb_status);
+            fprintf(stderr, "USB invalid response %d\n", p->usb_status);
             assert(0);
             break;
         }
-    } else if ((q->usb_status > q->tbytes) && (q->pid == USB_TOKEN_IN)) {
-        q->usb_status = USB_RET_BABBLE;
+    } else if ((p->usb_status > p->tbytes) && (p->pid == USB_TOKEN_IN)) {
+        p->usb_status = USB_RET_BABBLE;
         q->qh.token |= (QTD_TOKEN_HALT | QTD_TOKEN_BABBLE);
         ehci_record_interrupt(q->ehci, USBSTS_ERRINT);
     } else {
         // TODO check 4.12 for splits
 
-        if (q->tbytes && q->pid == USB_TOKEN_IN) {
-            q->tbytes -= q->usb_status;
+        if (p->tbytes && p->pid == USB_TOKEN_IN) {
+            p->tbytes -= p->usb_status;
         } else {
-            q->tbytes = 0;
+            p->tbytes = 0;
         }
 
-        DPRINTF("updating tbytes to %d\n", q->tbytes);
-        set_field(&q->qh.token, q->tbytes, QTD_TOKEN_TBYTES);
+        DPRINTF("updating tbytes to %d\n", p->tbytes);
+        set_field(&q->qh.token, p->tbytes, QTD_TOKEN_TBYTES);
     }
-    ehci_finish_transfer(q, q->usb_status);
-    usb_packet_unmap(&q->packet);
+    ehci_finish_transfer(q, p->usb_status);
+    qemu_sglist_destroy(&p->sgl);
+    usb_packet_unmap(&p->packet);
 
     q->qh.token ^= QTD_TOKEN_DTOGGLE;
     q->qh.token &= ~QTD_TOKEN_ACTIVE;
@@ -1347,48 +1435,51 @@ static void ehci_execute_complete(EHCIQueue *q)
 
 // 4.10.3
 
-static int ehci_execute(EHCIQueue *q)
+static int ehci_execute(EHCIPacket *p, const char *action)
 {
-    USBDevice *dev;
     USBEndpoint *ep;
     int ret;
     int endp;
-    int devadr;
 
-    if ( !(q->qh.token & QTD_TOKEN_ACTIVE)) {
-        fprintf(stderr, "Attempting to execute inactive QH\n");
+    if (!(p->qtd.token & QTD_TOKEN_ACTIVE)) {
+        fprintf(stderr, "Attempting to execute inactive qtd\n");
         return USB_RET_PROCERR;
     }
 
-    q->tbytes = (q->qh.token & QTD_TOKEN_TBYTES_MASK) >> QTD_TOKEN_TBYTES_SH;
-    if (q->tbytes > BUFF_SIZE) {
+    p->tbytes = (p->qtd.token & QTD_TOKEN_TBYTES_MASK) >> QTD_TOKEN_TBYTES_SH;
+    if (p->tbytes > BUFF_SIZE) {
         fprintf(stderr, "Request for more bytes than allowed\n");
         return USB_RET_PROCERR;
     }
 
-    q->pid = (q->qh.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH;
-    switch(q->pid) {
-        case 0: q->pid = USB_TOKEN_OUT; break;
-        case 1: q->pid = USB_TOKEN_IN; break;
-        case 2: q->pid = USB_TOKEN_SETUP; break;
-        default: fprintf(stderr, "bad token\n"); break;
+    p->pid = (p->qtd.token & QTD_TOKEN_PID_MASK) >> QTD_TOKEN_PID_SH;
+    switch (p->pid) {
+    case 0:
+        p->pid = USB_TOKEN_OUT;
+        break;
+    case 1:
+        p->pid = USB_TOKEN_IN;
+        break;
+    case 2:
+        p->pid = USB_TOKEN_SETUP;
+        break;
+    default:
+        fprintf(stderr, "bad token\n");
+        break;
     }
 
-    if (ehci_init_transfer(q) != 0) {
+    if (ehci_init_transfer(p) != 0) {
         return USB_RET_PROCERR;
     }
 
-    endp = get_field(q->qh.epchar, QH_EPCHAR_EP);
-    devadr = get_field(q->qh.epchar, QH_EPCHAR_DEVADDR);
+    endp = get_field(p->queue->qh.epchar, QH_EPCHAR_EP);
+    ep = usb_ep_get(p->queue->dev, p->pid, endp);
 
-    /* TODO: associating device with ehci port */
-    dev = ehci_find_device(q->ehci, devadr);
-    ep = usb_ep_get(dev, q->pid, endp);
+    usb_packet_setup(&p->packet, p->pid, ep);
+    usb_packet_map(&p->packet, &p->sgl);
 
-    usb_packet_setup(&q->packet, q->pid, ep);
-    usb_packet_map(&q->packet, &q->sgl);
-
-    ret = usb_handle_packet(dev, &q->packet);
+    trace_usb_ehci_packet_action(p->queue, p, action);
+    ret = usb_handle_packet(p->queue->dev, &p->packet);
     DPRINTF("submit: qh %x next %x qtd %x pid %x len %zd "
             "(total %d) endp %x ret %d\n",
             q->qhaddr, q->qh.next, q->qtdaddr, q->pid,
@@ -1504,6 +1595,24 @@ static int ehci_process_itd(EHCIState *ehci,
     return 0;
 }
 
+
+/*
+ *  Write the qh back to guest physical memory.  This step isn't
+ *  in the EHCI spec but we need to do it since we don't share
+ *  physical memory with our guest VM.
+ *
+ *  The first three dwords are read-only for the EHCI, so skip them
+ *  when writing back the qh.
+ */
+static void ehci_flush_qh(EHCIQueue *q)
+{
+    uint32_t *qh = (uint32_t *) &q->qh;
+    uint32_t dwords = sizeof(EHCIqh) >> 2;
+    uint32_t addr = NLPTR_GET(q->qhaddr);
+
+    put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
+}
+
 /*  This state is the entry point for asynchronous schedule
  *  processing.  Entry here consitutes a EHCI start event state (4.8.5)
  */
@@ -1601,17 +1710,18 @@ out:
 
 static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async)
 {
-    uint32_t entry;
+    EHCIPacket *p;
+    uint32_t entry, devaddr;
     EHCIQueue *q;
 
     entry = ehci_get_fetch_addr(ehci, async);
     q = ehci_find_queue_by_qh(ehci, entry, async);
     if (NULL == q) {
-        q = ehci_alloc_queue(ehci, async);
+        q = ehci_alloc_queue(ehci, entry, async);
     }
-    q->qhaddr = entry;
-    q->seen++;
+    p = QTAILQ_FIRST(&q->packets);
 
+    q->seen++;
     if (q->seen > 1) {
         /* we are going in circles -- stop processing */
         ehci_set_state(ehci, async, EST_ACTIVE);
@@ -1623,14 +1733,28 @@ static EHCIQueue *ehci_state_fetchqh(EHCIState *ehci, int async)
                (uint32_t *) &q->qh, sizeof(EHCIqh) >> 2);
     ehci_trace_qh(q, NLPTR_GET(q->qhaddr), &q->qh);
 
-    if (q->async == EHCI_ASYNC_INFLIGHT) {
+    devaddr = get_field(q->qh.epchar, QH_EPCHAR_DEVADDR);
+    if (q->dev != NULL && q->dev->addr != devaddr) {
+        if (!QTAILQ_EMPTY(&q->packets)) {
+            /* should not happen (guest bug) */
+            while ((p = QTAILQ_FIRST(&q->packets)) != NULL) {
+                ehci_free_packet(p);
+            }
+        }
+        q->dev = NULL;
+    }
+    if (q->dev == NULL) {
+        q->dev = ehci_find_device(q->ehci, devaddr);
+    }
+
+    if (p && p->async == EHCI_ASYNC_INFLIGHT) {
         /* I/O still in progress -- skip queue */
         ehci_set_state(ehci, async, EST_HORIZONTALQH);
         goto out;
     }
-    if (q->async == EHCI_ASYNC_FINISHED) {
+    if (p && p->async == EHCI_ASYNC_FINISHED) {
         /* I/O finished -- continue processing queue */
-        trace_usb_ehci_queue_action(q, "resume");
+        trace_usb_ehci_packet_action(p->queue, p, "complete");
         ehci_set_state(ehci, async, EST_EXECUTING);
         goto out;
     }
@@ -1726,7 +1850,7 @@ static int ehci_state_fetchsitd(EHCIState *ehci, int async)
 }
 
 /* Section 4.10.2 - paragraph 3 */
-static int ehci_state_advqueue(EHCIQueue *q, int async)
+static int ehci_state_advqueue(EHCIQueue *q)
 {
 #if 0
     /* TO-DO: 4.10.2 - paragraph 2
@@ -1745,81 +1869,117 @@ static int ehci_state_advqueue(EHCIQueue *q, int async)
     if (((q->qh.token & QTD_TOKEN_TBYTES_MASK) != 0) &&
         (NLPTR_TBIT(q->qh.altnext_qtd) == 0)) {
         q->qtdaddr = q->qh.altnext_qtd;
-        ehci_set_state(q->ehci, async, EST_FETCHQTD);
+        ehci_set_state(q->ehci, q->async, EST_FETCHQTD);
 
     /*
      *  next qTD is valid
      */
     } else if (NLPTR_TBIT(q->qh.next_qtd) == 0) {
         q->qtdaddr = q->qh.next_qtd;
-        ehci_set_state(q->ehci, async, EST_FETCHQTD);
+        ehci_set_state(q->ehci, q->async, EST_FETCHQTD);
 
     /*
      *  no valid qTD, try next QH
      */
     } else {
-        ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+        ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
     }
 
     return 1;
 }
 
 /* Section 4.10.2 - paragraph 4 */
-static int ehci_state_fetchqtd(EHCIQueue *q, int async)
+static int ehci_state_fetchqtd(EHCIQueue *q)
 {
+    EHCIqtd qtd;
+    EHCIPacket *p;
     int again = 0;
 
-    get_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &q->qtd,
+    get_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &qtd,
                sizeof(EHCIqtd) >> 2);
-    ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &q->qtd);
+    ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), &qtd);
 
-    if (q->qtd.token & QTD_TOKEN_ACTIVE) {
-        ehci_set_state(q->ehci, async, EST_EXECUTE);
+    p = QTAILQ_FIRST(&q->packets);
+    while (p != NULL && p->qtdaddr != q->qtdaddr) {
+        /* should not happen (guest bug) */
+        ehci_free_packet(p);
+        p = QTAILQ_FIRST(&q->packets);
+    }
+    if (p != NULL) {
+        ehci_qh_do_overlay(q);
+        ehci_flush_qh(q);
+        if (p->async == EHCI_ASYNC_INFLIGHT) {
+            ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
+        } else {
+            ehci_set_state(q->ehci, q->async, EST_EXECUTING);
+        }
+        again = 1;
+    } else if (qtd.token & QTD_TOKEN_ACTIVE) {
+        p = ehci_alloc_packet(q);
+        p->qtdaddr = q->qtdaddr;
+        p->qtd = qtd;
+        ehci_set_state(q->ehci, q->async, EST_EXECUTE);
         again = 1;
     } else {
-        ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+        ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
         again = 1;
     }
 
     return again;
 }
 
-static int ehci_state_horizqh(EHCIQueue *q, int async)
+static int ehci_state_horizqh(EHCIQueue *q)
 {
     int again = 0;
 
-    if (ehci_get_fetch_addr(q->ehci, async) != q->qh.next) {
-        ehci_set_fetch_addr(q->ehci, async, q->qh.next);
-        ehci_set_state(q->ehci, async, EST_FETCHENTRY);
+    if (ehci_get_fetch_addr(q->ehci, q->async) != q->qh.next) {
+        ehci_set_fetch_addr(q->ehci, q->async, q->qh.next);
+        ehci_set_state(q->ehci, q->async, EST_FETCHENTRY);
         again = 1;
     } else {
-        ehci_set_state(q->ehci, async, EST_ACTIVE);
+        ehci_set_state(q->ehci, q->async, EST_ACTIVE);
     }
 
     return again;
 }
 
-/*
- *  Write the qh back to guest physical memory.  This step isn't
- *  in the EHCI spec but we need to do it since we don't share
- *  physical memory with our guest VM.
- *
- *  The first three dwords are read-only for the EHCI, so skip them
- *  when writing back the qh.
- */
-static void ehci_flush_qh(EHCIQueue *q)
+static void ehci_fill_queue(EHCIPacket *p)
 {
-    uint32_t *qh = (uint32_t *) &q->qh;
-    uint32_t dwords = sizeof(EHCIqh) >> 2;
-    uint32_t addr = NLPTR_GET(q->qhaddr);
+    EHCIQueue *q = p->queue;
+    EHCIqtd qtd = p->qtd;
+    uint32_t qtdaddr;
 
-    put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
+    for (;;) {
+        if (NLPTR_TBIT(qtd.altnext) == 0) {
+            break;
+        }
+        if (NLPTR_TBIT(qtd.next) != 0) {
+            break;
+        }
+        qtdaddr = qtd.next;
+        get_dwords(q->ehci, NLPTR_GET(qtdaddr),
+                   (uint32_t *) &qtd, sizeof(EHCIqtd) >> 2);
+        ehci_trace_qtd(q, NLPTR_GET(qtdaddr), &qtd);
+        if (!(qtd.token & QTD_TOKEN_ACTIVE)) {
+            break;
+        }
+        p = ehci_alloc_packet(q);
+        p->qtdaddr = qtdaddr;
+        p->qtd = qtd;
+        p->usb_status = ehci_execute(p, "queue");
+        assert(p->usb_status = USB_RET_ASYNC);
+        p->async = EHCI_ASYNC_INFLIGHT;
+    }
 }
 
-static int ehci_state_execute(EHCIQueue *q, int async)
+static int ehci_state_execute(EHCIQueue *q)
 {
+    EHCIPacket *p = QTAILQ_FIRST(&q->packets);
     int again = 0;
 
+    assert(p != NULL);
+    assert(p->qtdaddr == q->qtdaddr);
+
     if (ehci_qh_do_overlay(q) != 0) {
         return -1;
     }
@@ -1828,55 +1988,60 @@ static int ehci_state_execute(EHCIQueue *q, int async)
     // TODO write back ptr to async list when done or out of time
     // TODO Windows does not seem to ever set the MULT field
 
-    if (!async) {
+    if (!q->async) {
         int transactCtr = get_field(q->qh.epcap, QH_EPCAP_MULT);
         if (!transactCtr) {
-            ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+            ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
             again = 1;
             goto out;
         }
     }
 
-    if (async) {
+    if (q->async) {
         ehci_set_usbsts(q->ehci, USBSTS_REC);
     }
 
-    q->usb_status = ehci_execute(q);
-    if (q->usb_status == USB_RET_PROCERR) {
+    p->usb_status = ehci_execute(p, "process");
+    if (p->usb_status == USB_RET_PROCERR) {
         again = -1;
         goto out;
     }
-    if (q->usb_status == USB_RET_ASYNC) {
+    if (p->usb_status == USB_RET_ASYNC) {
         ehci_flush_qh(q);
-        trace_usb_ehci_queue_action(q, "suspend");
-        q->async = EHCI_ASYNC_INFLIGHT;
-        ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+        trace_usb_ehci_packet_action(p->queue, p, "async");
+        p->async = EHCI_ASYNC_INFLIGHT;
+        ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
         again = 1;
+        ehci_fill_queue(p);
         goto out;
     }
 
-    ehci_set_state(q->ehci, async, EST_EXECUTING);
+    ehci_set_state(q->ehci, q->async, EST_EXECUTING);
     again = 1;
 
 out:
     return again;
 }
 
-static int ehci_state_executing(EHCIQueue *q, int async)
+static int ehci_state_executing(EHCIQueue *q)
 {
+    EHCIPacket *p = QTAILQ_FIRST(&q->packets);
     int again = 0;
 
+    assert(p != NULL);
+    assert(p->qtdaddr == q->qtdaddr);
+
     ehci_execute_complete(q);
-    if (q->usb_status == USB_RET_ASYNC) {
+    if (p->usb_status == USB_RET_ASYNC) {
         goto out;
     }
-    if (q->usb_status == USB_RET_PROCERR) {
+    if (p->usb_status == USB_RET_PROCERR) {
         again = -1;
         goto out;
     }
 
     // 4.10.3
-    if (!async) {
+    if (!q->async) {
         int transactCtr = get_field(q->qh.epcap, QH_EPCAP_MULT);
         transactCtr--;
         set_field(&q->qh.epcap, transactCtr, QH_EPCAP_MULT);
@@ -1885,10 +2050,10 @@ static int ehci_state_executing(EHCIQueue *q, int async)
     }
 
     /* 4.10.5 */
-    if (q->usb_status == USB_RET_NAK) {
-        ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+    if (p->usb_status == USB_RET_NAK) {
+        ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
     } else {
-        ehci_set_state(q->ehci, async, EST_WRITEBACK);
+        ehci_set_state(q->ehci, q->async, EST_WRITEBACK);
     }
 
     again = 1;
@@ -1899,14 +2064,19 @@ out:
 }
 
 
-static int ehci_state_writeback(EHCIQueue *q, int async)
+static int ehci_state_writeback(EHCIQueue *q)
 {
+    EHCIPacket *p = QTAILQ_FIRST(&q->packets);
     int again = 0;
 
     /*  Write back the QTD from the QH area */
-    ehci_trace_qtd(q, NLPTR_GET(q->qtdaddr), (EHCIqtd*) &q->qh.next_qtd);
-    put_dwords(q->ehci, NLPTR_GET(q->qtdaddr), (uint32_t *) &q->qh.next_qtd,
+    assert(p != NULL);
+    assert(p->qtdaddr == q->qtdaddr);
+
+    ehci_trace_qtd(q, NLPTR_GET(p->qtdaddr), (EHCIqtd *) &q->qh.next_qtd);
+    put_dwords(q->ehci, NLPTR_GET(p->qtdaddr), (uint32_t *) &q->qh.next_qtd,
                sizeof(EHCIqtd) >> 2);
+    ehci_free_packet(p);
 
     /*
      * EHCI specs say go horizontal here.
@@ -1917,10 +2087,10 @@ static int ehci_state_writeback(EHCIQueue *q, int async)
      * bit is clear.
      */
     if (q->qh.token & QTD_TOKEN_HALT) {
-        ehci_set_state(q->ehci, async, EST_HORIZONTALQH);
+        ehci_set_state(q->ehci, q->async, EST_HORIZONTALQH);
         again = 1;
     } else {
-        ehci_set_state(q->ehci, async, EST_ADVANCEQUEUE);
+        ehci_set_state(q->ehci, q->async, EST_ADVANCEQUEUE);
         again = 1;
     }
     return again;
@@ -1930,8 +2100,7 @@ static int ehci_state_writeback(EHCIQueue *q, int async)
  * This is the state machine that is common to both async and periodic
  */
 
-static void ehci_advance_state(EHCIState *ehci,
-                               int async)
+static void ehci_advance_state(EHCIState *ehci, int async)
 {
     EHCIQueue *q = NULL;
     int again;
@@ -1948,7 +2117,12 @@ static void ehci_advance_state(EHCIState *ehci,
 
         case EST_FETCHQH:
             q = ehci_state_fetchqh(ehci, async);
-            again = q ? 1 : 0;
+            if (q != NULL) {
+                assert(q->async == async);
+                again = 1;
+            } else {
+                again = 0;
+            }
             break;
 
         case EST_FETCHITD:
@@ -1960,29 +2134,35 @@ static void ehci_advance_state(EHCIState *ehci,
             break;
 
         case EST_ADVANCEQUEUE:
-            again = ehci_state_advqueue(q, async);
+            again = ehci_state_advqueue(q);
             break;
 
         case EST_FETCHQTD:
-            again = ehci_state_fetchqtd(q, async);
+            again = ehci_state_fetchqtd(q);
             break;
 
         case EST_HORIZONTALQH:
-            again = ehci_state_horizqh(q, async);
+            again = ehci_state_horizqh(q);
             break;
 
         case EST_EXECUTE:
-            again = ehci_state_execute(q, async);
+            again = ehci_state_execute(q);
+            if (async) {
+                ehci->async_stepdown = 0;
+            }
             break;
 
         case EST_EXECUTING:
             assert(q != NULL);
-            again = ehci_state_executing(q, async);
+            if (async) {
+                ehci->async_stepdown = 0;
+            }
+            again = ehci_state_executing(q);
             break;
 
         case EST_WRITEBACK:
             assert(q != NULL);
-            again = ehci_state_writeback(q, async);
+            again = ehci_state_writeback(q);
             break;
 
         default:
@@ -2009,17 +2189,15 @@ static void ehci_advance_async_state(EHCIState *ehci)
 
     switch(ehci_get_state(ehci, async)) {
     case EST_INACTIVE:
-        if (!(ehci->usbcmd & USBCMD_ASE)) {
+        if (!ehci_async_enabled(ehci)) {
             break;
         }
-        ehci_set_usbsts(ehci, USBSTS_ASS);
         ehci_set_state(ehci, async, EST_ACTIVE);
         // No break, fall through to ACTIVE
 
     case EST_ACTIVE:
-        if ( !(ehci->usbcmd & USBCMD_ASE)) {
+        if (!ehci_async_enabled(ehci)) {
             ehci_queues_rip_all(ehci, async);
-            ehci_clear_usbsts(ehci, USBSTS_ASS);
             ehci_set_state(ehci, async, EST_INACTIVE);
             break;
         }
@@ -2070,17 +2248,15 @@ static void ehci_advance_periodic_state(EHCIState *ehci)
 
     switch(ehci_get_state(ehci, async)) {
     case EST_INACTIVE:
-        if ( !(ehci->frindex & 7) && (ehci->usbcmd & USBCMD_PSE)) {
-            ehci_set_usbsts(ehci, USBSTS_PSS);
+        if (!(ehci->frindex & 7) && ehci_periodic_enabled(ehci)) {
             ehci_set_state(ehci, async, EST_ACTIVE);
             // No break, fall through to ACTIVE
         } else
             break;
 
     case EST_ACTIVE:
-        if ( !(ehci->frindex & 7) && !(ehci->usbcmd & USBCMD_PSE)) {
+        if (!(ehci->frindex & 7) && !ehci_periodic_enabled(ehci)) {
             ehci_queues_rip_all(ehci, async);
-            ehci_clear_usbsts(ehci, USBSTS_PSS);
             ehci_set_state(ehci, async, EST_INACTIVE);
             break;
         }
@@ -2111,58 +2287,86 @@ static void ehci_advance_periodic_state(EHCIState *ehci)
     }
 }
 
+static void ehci_update_frindex(EHCIState *ehci, int frames)
+{
+    int i;
+
+    if (!ehci_enabled(ehci)) {
+        return;
+    }
+
+    for (i = 0; i < frames; i++) {
+        ehci->frindex += 8;
+
+        if (ehci->frindex == 0x00002000) {
+            ehci_set_interrupt(ehci, USBSTS_FLR);
+        }
+
+        if (ehci->frindex == 0x00004000) {
+            ehci_set_interrupt(ehci, USBSTS_FLR);
+            ehci->frindex = 0;
+        }
+    }
+}
+
 static void ehci_frame_timer(void *opaque)
 {
     EHCIState *ehci = opaque;
+    int schedules = 0;
     int64_t expire_time, t_now;
     uint64_t ns_elapsed;
-    int frames;
+    int frames, skipped_frames;
     int i;
-    int skipped_frames = 0;
 
     t_now = qemu_get_clock_ns(vm_clock);
-    expire_time = t_now + (get_ticks_per_sec() / ehci->freq);
-
     ns_elapsed = t_now - ehci->last_run_ns;
     frames = ns_elapsed / FRAME_TIMER_NS;
 
-    for (i = 0; i < frames; i++) {
-        if ( !(ehci->usbsts & USBSTS_HALT)) {
-            ehci->frindex += 8;
-
-            if (ehci->frindex == 0x00002000) {
-                ehci_set_interrupt(ehci, USBSTS_FLR);
-            }
+    if (ehci_periodic_enabled(ehci) || ehci->pstate != EST_INACTIVE) {
+        schedules++;
+        expire_time = t_now + (get_ticks_per_sec() / FRAME_TIMER_FREQ);
 
-            if (ehci->frindex == 0x00004000) {
-                ehci_set_interrupt(ehci, USBSTS_FLR);
-                ehci->frindex = 0;
-            }
+        if (frames > ehci->maxframes) {
+            skipped_frames = frames - ehci->maxframes;
+            ehci_update_frindex(ehci, skipped_frames);
+            ehci->last_run_ns += FRAME_TIMER_NS * skipped_frames;
+            frames -= skipped_frames;
+            DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames);
         }
 
-        if (frames - i > ehci->maxframes) {
-            skipped_frames++;
-        } else {
+        for (i = 0; i < frames; i++) {
+            ehci_update_frindex(ehci, 1);
             ehci_advance_periodic_state(ehci);
+            ehci->last_run_ns += FRAME_TIMER_NS;
         }
-
-        ehci->last_run_ns += FRAME_TIMER_NS;
-    }
-
-#if 0
-    if (skipped_frames) {
-        DPRINTF("WARNING - EHCI skipped %d frames\n", skipped_frames);
+    } else {
+        if (ehci->async_stepdown < ehci->maxframes / 2) {
+            ehci->async_stepdown++;
+        }
+        expire_time = t_now + (get_ticks_per_sec()
+                               * ehci->async_stepdown / FRAME_TIMER_FREQ);
+        ehci_update_frindex(ehci, frames);
+        ehci->last_run_ns += FRAME_TIMER_NS * frames;
     }
-#endif
 
     /*  Async is not inside loop since it executes everything it can once
      *  called
      */
-    ehci_advance_async_state(ehci);
+    if (ehci_async_enabled(ehci) || ehci->astate != EST_INACTIVE) {
+        schedules++;
+        qemu_bh_schedule(ehci->async_bh);
+    }
 
-    qemu_mod_timer(ehci->frame_timer, expire_time);
+    if (schedules) {
+        qemu_mod_timer(ehci->frame_timer, expire_time);
+    }
 }
 
+static void ehci_async_bh(void *opaque)
+{
+    EHCIState *ehci = opaque;
+    ehci_advance_async_state(ehci);
+}
 
 static const MemoryRegionOps ehci_mem_ops = {
     .old_mmio = {
@@ -2192,7 +2396,6 @@ static const VMStateDescription vmstate_ehci = {
 };
 
 static Property ehci_properties[] = {
-    DEFINE_PROP_UINT32("freq",      EHCIState, freq, FRAME_TIMER_FREQ),
     DEFINE_PROP_UINT32("maxframes", EHCIState, maxframes, 128),
     DEFINE_PROP_END_OF_LIST(),
 };
@@ -2298,6 +2501,7 @@ static int usb_ehci_initfn(PCIDevice *dev)
     }
 
     s->frame_timer = qemu_new_timer_ns(vm_clock, ehci_frame_timer, s);
+    s->async_bh = qemu_bh_new(ehci_async_bh, s);
     QTAILQ_INIT(&s->aqueues);
     QTAILQ_INIT(&s->pqueues);
 
diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
index 9e211a0bb4..9871e24f50 100644
--- a/hw/usb/hcd-uhci.c
+++ b/hw/usb/hcd-uhci.c
@@ -131,10 +131,14 @@ struct UHCIState {
     uint8_t status2; /* bit 0 and 1 are used to generate UHCI_STS_USBINT */
     int64_t expire_time;
     QEMUTimer *frame_timer;
+    QEMUBH *bh;
+    uint32_t frame_bytes;
+    uint32_t frame_bandwidth;
     UHCIPort ports[NB_PORTS];
 
     /* Interrupts that should be raised at the end of the current frame.  */
     uint32_t pending_int_mask;
+    int irq_pin;
 
     /* Active packets */
     QTAILQ_HEAD(, UHCIQueue) queues;
@@ -337,7 +341,7 @@ static void uhci_update_irq(UHCIState *s)
     } else {
         level = 0;
     }
-    qemu_set_irq(s->dev.irq[3], level);
+    qemu_set_irq(s->dev.irq[s->irq_pin], level);
 }
 
 static void uhci_reset(void *opaque)
@@ -369,16 +373,10 @@ static void uhci_reset(void *opaque)
     }
 
     uhci_async_cancel_all(s);
+    qemu_bh_cancel(s->bh);
     uhci_update_irq(s);
 }
 
-static void uhci_pre_save(void *opaque)
-{
-    UHCIState *s = opaque;
-
-    uhci_async_cancel_all(s);
-}
-
 static const VMStateDescription vmstate_uhci_port = {
     .name = "uhci port",
     .version_id = 1,
@@ -395,7 +393,6 @@ static const VMStateDescription vmstate_uhci = {
     .version_id = 2,
     .minimum_version_id = 1,
     .minimum_version_id_old = 1,
-    .pre_save = uhci_pre_save,
     .fields      = (VMStateField []) {
         VMSTATE_PCI_DEVICE(dev, UHCIState),
         VMSTATE_UINT8_EQUAL(num_ports_vmstate, UHCIState),
@@ -905,7 +902,9 @@ static void uhci_async_complete(USBPort *port, USBPacket *packet)
         uhci_async_free(async);
     } else {
         async->done = 1;
-        uhci_process_frame(s);
+        if (s->frame_bytes < s->frame_bandwidth) {
+            qemu_bh_schedule(s->bh);
+        }
     }
 }
 
@@ -985,7 +984,7 @@ static void uhci_fill_queue(UHCIState *s, UHCI_TD *td)
 static void uhci_process_frame(UHCIState *s)
 {
     uint32_t frame_addr, link, old_td_ctrl, val, int_mask;
-    uint32_t curr_qh, td_count = 0, bytes_count = 0;
+    uint32_t curr_qh, td_count = 0;
     int cnt, ret;
     UHCI_TD td;
     UHCI_QH qh;
@@ -1002,6 +1001,12 @@ static void uhci_process_frame(UHCIState *s)
     qhdb_reset(&qhdb);
 
     for (cnt = FRAME_MAX_LOOPS; is_valid(link) && cnt; cnt--) {
+        if (s->frame_bytes >= s->frame_bandwidth) {
+            /* We've reached the usb 1.1 bandwidth, which is
+               1280 bytes/frame, stop processing */
+            trace_usb_uhci_frame_stop_bandwidth();
+            break;
+        }
         if (is_qh(link)) {
             /* QH */
             trace_usb_uhci_qh_load(link & ~0xf);
@@ -1011,18 +1016,12 @@ static void uhci_process_frame(UHCIState *s)
                  * We're going in circles. Which is not a bug because
                  * HCD is allowed to do that as part of the BW management.
                  *
-                 * Stop processing here if
-                 *  (a) no transaction has been done since we've been
-                 *      here last time, or
-                 *  (b) we've reached the usb 1.1 bandwidth, which is
-                 *      1280 bytes/frame.
+                 * Stop processing here if no transaction has been done
+                 * since we've been here last time.
                  */
                 if (td_count == 0) {
                     trace_usb_uhci_frame_loop_stop_idle();
                     break;
-                } else if (bytes_count >= 1280) {
-                    trace_usb_uhci_frame_loop_stop_bandwidth();
-                    break;
                 } else {
                     trace_usb_uhci_frame_loop_continue();
                     td_count = 0;
@@ -1085,7 +1084,7 @@ static void uhci_process_frame(UHCIState *s)
             trace_usb_uhci_td_complete(curr_qh & ~0xf, link & ~0xf);
             link = td.link;
             td_count++;
-            bytes_count += (td.ctrl & 0x7ff) + 1;
+            s->frame_bytes += (td.ctrl & 0x7ff) + 1;
 
             if (curr_qh) {
                 /* update QH element link */
@@ -1112,12 +1111,20 @@ out:
     s->pending_int_mask |= int_mask;
 }
 
+static void uhci_bh(void *opaque)
+{
+    UHCIState *s = opaque;
+    uhci_process_frame(s);
+}
+
 static void uhci_frame_timer(void *opaque)
 {
     UHCIState *s = opaque;
 
     /* prepare the timer for the next frame */
     s->expire_time += (get_ticks_per_sec() / FRAME_TIMER_FREQ);
+    s->frame_bytes = 0;
+    qemu_bh_cancel(s->bh);
 
     if (!(s->cmd & UHCI_CMD_RS)) {
         /* Full stop */
@@ -1178,15 +1185,31 @@ static USBBusOps uhci_bus_ops = {
 
 static int usb_uhci_common_initfn(PCIDevice *dev)
 {
+    PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);
     UHCIState *s = DO_UPCAST(UHCIState, dev, dev);
     uint8_t *pci_conf = s->dev.config;
     int i;
 
     pci_conf[PCI_CLASS_PROG] = 0x00;
     /* TODO: reset value should be 0. */
-    pci_conf[PCI_INTERRUPT_PIN] = 4; /* interrupt pin D */
     pci_conf[USB_SBRN] = USB_RELEASE_1; // release number
 
+    switch (pc->device_id) {
+    case PCI_DEVICE_ID_INTEL_82801I_UHCI1:
+        s->irq_pin = 0;  /* A */
+        break;
+    case PCI_DEVICE_ID_INTEL_82801I_UHCI2:
+        s->irq_pin = 1;  /* B */
+        break;
+    case PCI_DEVICE_ID_INTEL_82801I_UHCI3:
+        s->irq_pin = 2;  /* C */
+        break;
+    default:
+        s->irq_pin = 3;  /* D */
+        break;
+    }
+    pci_config_set_interrupt_pin(pci_conf, s->irq_pin + 1);
+
     if (s->masterbus) {
         USBPort *ports[NB_PORTS];
         for(i = 0; i < NB_PORTS; i++) {
@@ -1204,6 +1227,7 @@ static int usb_uhci_common_initfn(PCIDevice *dev)
                               USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL);
         }
     }
+    s->bh = qemu_bh_new(uhci_bh, s);
     s->frame_timer = qemu_new_timer_ns(vm_clock, uhci_frame_timer, s);
     s->num_ports_vmstate = NB_PORTS;
     QTAILQ_INIT(&s->queues);
@@ -1244,6 +1268,7 @@ static int usb_uhci_exit(PCIDevice *dev)
 static Property uhci_properties[] = {
     DEFINE_PROP_STRING("masterbus", UHCIState, masterbus),
     DEFINE_PROP_UINT32("firstport", UHCIState, firstport, 0),
+    DEFINE_PROP_UINT32("bandwidth", UHCIState, frame_bandwidth, 1280),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c
index 5cf1a64699..6c2ff024e0 100644
--- a/hw/usb/hcd-xhci.c
+++ b/hw/usb/hcd-xhci.c
@@ -23,6 +23,7 @@
 #include "hw/usb.h"
 #include "hw/pci.h"
 #include "hw/msi.h"
+#include "trace.h"
 
 //#define DEBUG_XHCI
 //#define DEBUG_DATA
@@ -421,7 +422,6 @@ typedef struct XHCIEvRingSeg {
     uint32_t rsvd;
 } XHCIEvRingSeg;
 
-#ifdef DEBUG_XHCI
 static const char *TRBType_names[] = {
     [TRB_RESERVED]                     = "TRB_RESERVED",
     [TR_NORMAL]                        = "TR_NORMAL",
@@ -473,7 +473,6 @@ static const char *trb_name(XHCITRB *trb)
     return lookup_name(TRB_TYPE(*trb), TRBType_names,
                        ARRAY_SIZE(TRBType_names));
 }
-#endif
 
 static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid,
                          unsigned int epid);
@@ -505,14 +504,13 @@ static void xhci_irq_update(XHCIState *xhci)
         level = 1;
     }
 
-    DPRINTF("xhci_irq_update(): %d\n", level);
-
     if (xhci->msi && msi_enabled(&xhci->pci_dev)) {
         if (level) {
-            DPRINTF("xhci_irq_update(): MSI signal\n");
+            trace_usb_xhci_irq_msi(0);
             msi_notify(&xhci->pci_dev, 0);
         }
     } else {
+        trace_usb_xhci_irq_intx(level);
         qemu_set_irq(xhci->irq, level);
     }
 }
@@ -542,9 +540,8 @@ static void xhci_write_event(XHCIState *xhci, XHCIEvent *event)
     }
     ev_trb.control = cpu_to_le32(ev_trb.control);
 
-    DPRINTF("xhci_write_event(): [%d] %016"PRIx64" %08x %08x %s\n",
-            xhci->er_ep_idx, ev_trb.parameter, ev_trb.status, ev_trb.control,
-            trb_name(&ev_trb));
+    trace_usb_xhci_queue_event(xhci->er_ep_idx, trb_name(&ev_trb),
+                               ev_trb.parameter, ev_trb.status, ev_trb.control);
 
     addr = xhci->er_start + TRB_SIZE*xhci->er_ep_idx;
     pci_dma_write(&xhci->pci_dev, addr, &ev_trb, TRB_SIZE);
@@ -704,10 +701,8 @@ static TRBType xhci_ring_fetch(XHCIState *xhci, XHCIRing *ring, XHCITRB *trb,
         le32_to_cpus(&trb->status);
         le32_to_cpus(&trb->control);
 
-        DPRINTF("xhci: TRB fetched [" DMA_ADDR_FMT "]: "
-                "%016" PRIx64 " %08x %08x %s\n",
-                ring->dequeue, trb->parameter, trb->status, trb->control,
-                trb_name(trb));
+        trace_usb_xhci_fetch_trb(ring->dequeue, trb_name(trb),
+                                 trb->parameter, trb->status, trb->control);
 
         if ((trb->control & TRB_C) != ring->ccs) {
             return 0;
@@ -746,10 +741,6 @@ static int xhci_ring_chain_length(XHCIState *xhci, const XHCIRing *ring)
         le32_to_cpus(&trb.status);
         le32_to_cpus(&trb.control);
 
-        DPRINTF("xhci: TRB peeked [" DMA_ADDR_FMT "]: "
-                "%016" PRIx64 " %08x %08x\n",
-                dequeue, trb.parameter, trb.status, trb.control);
-
         if ((trb.control & TRB_C) != ccs) {
             return -length;
         }
@@ -812,14 +803,13 @@ static void xhci_er_reset(XHCIState *xhci)
 
 static void xhci_run(XHCIState *xhci)
 {
-    DPRINTF("xhci_run()\n");
-
+    trace_usb_xhci_run();
     xhci->usbsts &= ~USBSTS_HCH;
 }
 
 static void xhci_stop(XHCIState *xhci)
 {
-    DPRINTF("xhci_stop()\n");
+    trace_usb_xhci_stop();
     xhci->usbsts |= USBSTS_HCH;
     xhci->crcr_low &= ~CRCR_CRR;
 }
@@ -852,11 +842,10 @@ static TRBCCode xhci_enable_ep(XHCIState *xhci, unsigned int slotid,
     dma_addr_t dequeue;
     int i;
 
+    trace_usb_xhci_ep_enable(slotid, epid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
     assert(epid >= 1 && epid <= 31);
 
-    DPRINTF("xhci_enable_ep(%d, %d)\n", slotid, epid);
-
     slot = &xhci->slots[slotid-1];
     if (slot->eps[epid-1]) {
         fprintf(stderr, "xhci: slot %d ep %d already enabled!\n", slotid, epid);
@@ -971,11 +960,10 @@ static TRBCCode xhci_disable_ep(XHCIState *xhci, unsigned int slotid,
     XHCISlot *slot;
     XHCIEPContext *epctx;
 
+    trace_usb_xhci_ep_disable(slotid, epid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
     assert(epid >= 1 && epid <= 31);
 
-    DPRINTF("xhci_disable_ep(%d, %d)\n", slotid, epid);
-
     slot = &xhci->slots[slotid-1];
 
     if (!slot->eps[epid-1]) {
@@ -1001,8 +989,7 @@ static TRBCCode xhci_stop_ep(XHCIState *xhci, unsigned int slotid,
     XHCISlot *slot;
     XHCIEPContext *epctx;
 
-    DPRINTF("xhci_stop_ep(%d, %d)\n", slotid, epid);
-
+    trace_usb_xhci_ep_stop(slotid, epid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
 
     if (epid < 1 || epid > 31) {
@@ -1036,10 +1023,9 @@ static TRBCCode xhci_reset_ep(XHCIState *xhci, unsigned int slotid,
     XHCIEPContext *epctx;
     USBDevice *dev;
 
+    trace_usb_xhci_ep_reset(slotid, epid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
 
-    DPRINTF("xhci_reset_ep(%d, %d)\n", slotid, epid);
-
     if (epid < 1 || epid > 31) {
         fprintf(stderr, "xhci: bad ep %d\n", epid);
         return CC_TRB_ERROR;
@@ -1416,12 +1402,14 @@ static int xhci_setup_packet(XHCITransfer *xfer, USBDevice *dev)
 static int xhci_complete_packet(XHCITransfer *xfer, int ret)
 {
     if (ret == USB_RET_ASYNC) {
+        trace_usb_xhci_xfer_async(xfer);
         xfer->running_async = 1;
         xfer->running_retry = 0;
         xfer->complete = 0;
         xfer->cancelled = 0;
         return 0;
     } else if (ret == USB_RET_NAK) {
+        trace_usb_xhci_xfer_nak(xfer);
         xfer->running_async = 0;
         xfer->running_retry = 1;
         xfer->complete = 0;
@@ -1436,10 +1424,12 @@ static int xhci_complete_packet(XHCITransfer *xfer, int ret)
     if (ret >= 0) {
         xfer->status = CC_SUCCESS;
         xhci_xfer_data(xfer, xfer->data, ret, xfer->in_xfer, 0, 1);
+        trace_usb_xhci_xfer_success(xfer, ret);
         return 0;
     }
 
     /* error */
+    trace_usb_xhci_xfer_error(xfer, ret);
     switch (ret) {
     case USB_RET_NODEV:
         xfer->status = CC_USB_TRANSACTION_ERROR;
@@ -1475,11 +1465,12 @@ static int xhci_fire_ctl_transfer(XHCIState *xhci, XHCITransfer *xfer)
     USBDevice *dev;
     int ret;
 
-    DPRINTF("xhci_fire_ctl_transfer(slot=%d)\n", xfer->slotid);
-
     trb_setup = &xfer->trbs[0];
     trb_status = &xfer->trbs[xfer->trb_count-1];
 
+    trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid,
+                              trb_setup->parameter >> 48);
+
     /* at most one Event Data TRB allowed after STATUS */
     if (TRB_TYPE(*trb_status) == TR_EVDATA && xfer->trb_count > 2) {
         trb_status--;
@@ -1620,15 +1611,14 @@ static int xhci_fire_transfer(XHCIState *xhci, XHCITransfer *xfer, XHCIEPContext
     unsigned int length = 0;
     XHCITRB *trb;
 
-    DPRINTF("xhci_fire_transfer(slotid=%d,epid=%d)\n", xfer->slotid, xfer->epid);
-
     for (i = 0; i < xfer->trb_count; i++) {
         trb = &xfer->trbs[i];
         if (TRB_TYPE(*trb) == TR_NORMAL || TRB_TYPE(*trb) == TR_ISOCH) {
             length += trb->status & 0x1ffff;
         }
     }
-    DPRINTF("xhci: total TD length=%d\n", length);
+
+    trace_usb_xhci_xfer_start(xfer, xfer->slotid, xfer->epid, length);
 
     if (!epctx->has_bg) {
         xfer->data_length = length;
@@ -1664,9 +1654,9 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
     int length;
     int i;
 
+    trace_usb_xhci_ep_kick(slotid, epid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
     assert(epid >= 1 && epid <= 31);
-    DPRINTF("xhci_kick_ep(%d, %d)\n", slotid, epid);
 
     if (!xhci->slots[slotid-1].enabled) {
         fprintf(stderr, "xhci: xhci_kick_ep for disabled slot %d\n", slotid);
@@ -1684,15 +1674,13 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
         XHCITransfer *xfer = epctx->retry;
         int result;
 
-        DPRINTF("xhci: retry nack'ed transfer ...\n");
+        trace_usb_xhci_xfer_retry(xfer);
         assert(xfer->running_retry);
         xhci_setup_packet(xfer, xfer->packet.ep->dev);
         result = usb_handle_packet(xfer->packet.ep->dev, &xfer->packet);
         if (result == USB_RET_NAK) {
-            DPRINTF("xhci: ... xfer still nacked\n");
             return;
         }
-        DPRINTF("xhci: ... result %d\n", result);
         xhci_complete_packet(xfer, result);
         assert(!xfer->running_retry);
         epctx->retry = NULL;
@@ -1708,21 +1696,14 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
     while (1) {
         XHCITransfer *xfer = &epctx->transfers[epctx->next_xfer];
         if (xfer->running_async || xfer->running_retry || xfer->backgrounded) {
-            DPRINTF("xhci: ep is busy (#%d,%d,%d,%d)\n",
-                    epctx->next_xfer, xfer->running_async,
-                    xfer->running_retry, xfer->backgrounded);
             break;
-        } else {
-            DPRINTF("xhci: ep: using #%d\n", epctx->next_xfer);
         }
         length = xhci_ring_chain_length(xhci, &epctx->ring);
         if (length < 0) {
-            DPRINTF("xhci: incomplete TD (%d TRBs)\n", -length);
             break;
         } else if (length == 0) {
             break;
         }
-        DPRINTF("xhci: fetching %d-TRB TD\n", length);
         if (xfer->trbs && xfer->trb_alloced < length) {
             xfer->trb_count = 0;
             xfer->trb_alloced = 0;
@@ -1757,7 +1738,6 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
         }
 
         if (epctx->state == EP_HALTED) {
-            DPRINTF("xhci: ep halted, stopping schedule\n");
             break;
         }
         if (xfer->running_retry) {
@@ -1770,8 +1750,8 @@ static void xhci_kick_ep(XHCIState *xhci, unsigned int slotid, unsigned int epid
 
 static TRBCCode xhci_enable_slot(XHCIState *xhci, unsigned int slotid)
 {
+    trace_usb_xhci_slot_enable(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_enable_slot(%d)\n", slotid);
     xhci->slots[slotid-1].enabled = 1;
     xhci->slots[slotid-1].port = 0;
     memset(xhci->slots[slotid-1].eps, 0, sizeof(XHCIEPContext*)*31);
@@ -1783,8 +1763,8 @@ static TRBCCode xhci_disable_slot(XHCIState *xhci, unsigned int slotid)
 {
     int i;
 
+    trace_usb_xhci_slot_disable(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_disable_slot(%d)\n", slotid);
 
     for (i = 1; i <= 31; i++) {
         if (xhci->slots[slotid-1].eps[i-1]) {
@@ -1810,8 +1790,8 @@ static TRBCCode xhci_address_slot(XHCIState *xhci, unsigned int slotid,
     int i;
     TRBCCode res;
 
+    trace_usb_xhci_slot_address(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_address_slot(%d)\n", slotid);
 
     dcbaap = xhci_addr64(xhci->dcbaap_low, xhci->dcbaap_high);
     pci_dma_read(&xhci->pci_dev, dcbaap + 8*slotid, &poctx, sizeof(poctx));
@@ -1897,8 +1877,8 @@ static TRBCCode xhci_configure_slot(XHCIState *xhci, unsigned int slotid,
     int i;
     TRBCCode res;
 
+    trace_usb_xhci_slot_configure(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_configure_slot(%d)\n", slotid);
 
     ictx = xhci_mask64(pictx);
     octx = xhci->slots[slotid-1].ctx;
@@ -1985,8 +1965,8 @@ static TRBCCode xhci_evaluate_slot(XHCIState *xhci, unsigned int slotid,
     uint32_t islot_ctx[4];
     uint32_t slot_ctx[4];
 
+    trace_usb_xhci_slot_evaluate(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_evaluate_slot(%d)\n", slotid);
 
     ictx = xhci_mask64(pictx);
     octx = xhci->slots[slotid-1].ctx;
@@ -2048,8 +2028,8 @@ static TRBCCode xhci_reset_slot(XHCIState *xhci, unsigned int slotid)
     dma_addr_t octx;
     int i;
 
+    trace_usb_xhci_slot_reset(slotid);
     assert(slotid >= 1 && slotid <= MAXSLOTS);
-    DPRINTF("xhci_reset_slot(%d)\n", slotid);
 
     octx = xhci->slots[slotid-1].ctx;
 
@@ -2296,12 +2276,12 @@ static void xhci_update_port(XHCIState *xhci, XHCIPort *port, int is_detach)
     }
 }
 
-static void xhci_reset(void *opaque)
+static void xhci_reset(DeviceState *dev)
 {
-    XHCIState *xhci = opaque;
+    XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
     int i;
 
-    DPRINTF("xhci: full reset\n");
+    trace_usb_xhci_reset();
     if (!(xhci->usbsts & USBSTS_HCH)) {
         fprintf(stderr, "xhci: reset while running!\n");
     }
@@ -2342,77 +2322,98 @@ static void xhci_reset(void *opaque)
 
 static uint32_t xhci_cap_read(XHCIState *xhci, uint32_t reg)
 {
-    DPRINTF("xhci_cap_read(0x%x)\n", reg);
+    uint32_t ret;
 
     switch (reg) {
     case 0x00: /* HCIVERSION, CAPLENGTH */
-        return 0x01000000 | LEN_CAP;
+        ret = 0x01000000 | LEN_CAP;
+        break;
     case 0x04: /* HCSPARAMS 1 */
-        return (MAXPORTS<<24) | (MAXINTRS<<8) | MAXSLOTS;
+        ret = (MAXPORTS<<24) | (MAXINTRS<<8) | MAXSLOTS;
+        break;
     case 0x08: /* HCSPARAMS 2 */
-        return 0x0000000f;
+        ret = 0x0000000f;
+        break;
     case 0x0c: /* HCSPARAMS 3 */
-        return 0x00000000;
+        ret = 0x00000000;
+        break;
     case 0x10: /* HCCPARAMS */
-#if TARGET_PHYS_ADDR_BITS > 32
-        return 0x00081001;
-#else
-        return 0x00081000;
-#endif
+        if (sizeof(dma_addr_t) == 4) {
+            ret = 0x00081000;
+        } else {
+            ret = 0x00081001;
+        }
+        break;
     case 0x14: /* DBOFF */
-        return OFF_DOORBELL;
+        ret = OFF_DOORBELL;
+        break;
     case 0x18: /* RTSOFF */
-        return OFF_RUNTIME;
+        ret = OFF_RUNTIME;
+        break;
 
     /* extended capabilities */
     case 0x20: /* Supported Protocol:00 */
-#if USB3_PORTS > 0
-        return 0x02000402; /* USB 2.0 */
-#else
-        return 0x02000002; /* USB 2.0 */
-#endif
+        ret = 0x02000402; /* USB 2.0 */
+        break;
     case 0x24: /* Supported Protocol:04 */
-        return 0x20425455; /* "USB " */
+        ret = 0x20425455; /* "USB " */
+        break;
     case 0x28: /* Supported Protocol:08 */
-        return 0x00000001 | (USB2_PORTS<<8);
+        ret = 0x00000001 | (USB2_PORTS<<8);
+        break;
     case 0x2c: /* Supported Protocol:0c */
-        return 0x00000000; /* reserved */
-#if USB3_PORTS > 0
+        ret = 0x00000000; /* reserved */
+        break;
     case 0x30: /* Supported Protocol:00 */
-        return 0x03000002; /* USB 3.0 */
+        ret = 0x03000002; /* USB 3.0 */
+        break;
     case 0x34: /* Supported Protocol:04 */
-        return 0x20425455; /* "USB " */
+        ret = 0x20425455; /* "USB " */
+        break;
     case 0x38: /* Supported Protocol:08 */
-        return 0x00000000 | (USB2_PORTS+1) | (USB3_PORTS<<8);
+        ret = 0x00000000 | (USB2_PORTS+1) | (USB3_PORTS<<8);
+        break;
     case 0x3c: /* Supported Protocol:0c */
-        return 0x00000000; /* reserved */
-#endif
+        ret = 0x00000000; /* reserved */
+        break;
     default:
         fprintf(stderr, "xhci_cap_read: reg %d unimplemented\n", reg);
+        ret = 0;
     }
-    return 0;
+
+    trace_usb_xhci_cap_read(reg, ret);
+    return ret;
 }
 
 static uint32_t xhci_port_read(XHCIState *xhci, uint32_t reg)
 {
     uint32_t port = reg >> 4;
+    uint32_t ret;
+
     if (port >= MAXPORTS) {
         fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
-        return 0;
+        ret = 0;
+        goto out;
     }
 
     switch (reg & 0xf) {
     case 0x00: /* PORTSC */
-        return xhci->ports[port].portsc;
+        ret = xhci->ports[port].portsc;
+        break;
     case 0x04: /* PORTPMSC */
     case 0x08: /* PORTLI */
-        return 0;
+        ret = 0;
+        break;
     case 0x0c: /* reserved */
     default:
         fprintf(stderr, "xhci_port_read (port %d): reg 0x%x unimplemented\n",
                 port, reg);
-        return 0;
+        ret = 0;
     }
+
+out:
+    trace_usb_xhci_port_read(port, reg & 0x0f, ret);
+    return ret;
 }
 
 static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
@@ -2420,6 +2421,8 @@ static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
     uint32_t port = reg >> 4;
     uint32_t portsc;
 
+    trace_usb_xhci_port_write(port, reg & 0x0f, val);
+
     if (port >= MAXPORTS) {
         fprintf(stderr, "xhci_port_read: port %d out of bounds\n", port);
         return;
@@ -2457,7 +2460,7 @@ static void xhci_port_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 
 static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg)
 {
-    DPRINTF("xhci_oper_read(0x%x)\n", reg);
+    uint32_t ret;
 
     if (reg >= 0x400) {
         return xhci_port_read(xhci, reg - 0x400);
@@ -2465,38 +2468,50 @@ static uint32_t xhci_oper_read(XHCIState *xhci, uint32_t reg)
 
     switch (reg) {
     case 0x00: /* USBCMD */
-        return xhci->usbcmd;
+        ret = xhci->usbcmd;
+        break;
     case 0x04: /* USBSTS */
-        return xhci->usbsts;
+        ret = xhci->usbsts;
+        break;
     case 0x08: /* PAGESIZE */
-        return 1; /* 4KiB */
+        ret = 1; /* 4KiB */
+        break;
     case 0x14: /* DNCTRL */
-        return xhci->dnctrl;
+        ret = xhci->dnctrl;
+        break;
     case 0x18: /* CRCR low */
-        return xhci->crcr_low & ~0xe;
+        ret = xhci->crcr_low & ~0xe;
+        break;
     case 0x1c: /* CRCR high */
-        return xhci->crcr_high;
+        ret = xhci->crcr_high;
+        break;
     case 0x30: /* DCBAAP low */
-        return xhci->dcbaap_low;
+        ret = xhci->dcbaap_low;
+        break;
     case 0x34: /* DCBAAP high */
-        return xhci->dcbaap_high;
+        ret = xhci->dcbaap_high;
+        break;
     case 0x38: /* CONFIG */
-        return xhci->config;
+        ret = xhci->config;
+        break;
     default:
         fprintf(stderr, "xhci_oper_read: reg 0x%x unimplemented\n", reg);
+        ret = 0;
     }
-    return 0;
+
+    trace_usb_xhci_oper_read(reg, ret);
+    return ret;
 }
 
 static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 {
-    DPRINTF("xhci_oper_write(0x%x, 0x%08x)\n", reg, val);
-
     if (reg >= 0x400) {
         xhci_port_write(xhci, reg - 0x400, val);
         return;
     }
 
+    trace_usb_xhci_oper_write(reg, val);
+
     switch (reg) {
     case 0x00: /* USBCMD */
         if ((val & USBCMD_RS) && !(xhci->usbcmd & USBCMD_RS)) {
@@ -2506,7 +2521,7 @@ static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
         }
         xhci->usbcmd = val & 0xc0f;
         if (val & USBCMD_HCRST) {
-            xhci_reset(xhci);
+            xhci_reset(&xhci->pci_dev.qdev);
         }
         xhci_irq_update(xhci);
         break;
@@ -2552,35 +2567,46 @@ static void xhci_oper_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 
 static uint32_t xhci_runtime_read(XHCIState *xhci, uint32_t reg)
 {
-    DPRINTF("xhci_runtime_read(0x%x)\n", reg);
+    uint32_t ret;
 
     switch (reg) {
     case 0x00: /* MFINDEX */
         fprintf(stderr, "xhci_runtime_read: MFINDEX not yet implemented\n");
-        return xhci->mfindex;
+        ret = xhci->mfindex;
+        break;
     case 0x20: /* IMAN */
-        return xhci->iman;
+        ret = xhci->iman;
+        break;
     case 0x24: /* IMOD */
-        return xhci->imod;
+        ret = xhci->imod;
+        break;
     case 0x28: /* ERSTSZ */
-        return xhci->erstsz;
+        ret = xhci->erstsz;
+        break;
     case 0x30: /* ERSTBA low */
-        return xhci->erstba_low;
+        ret = xhci->erstba_low;
+        break;
     case 0x34: /* ERSTBA high */
-        return xhci->erstba_high;
+        ret = xhci->erstba_high;
+        break;
     case 0x38: /* ERDP low */
-        return xhci->erdp_low;
+        ret = xhci->erdp_low;
+        break;
     case 0x3c: /* ERDP high */
-        return xhci->erdp_high;
+        ret = xhci->erdp_high;
+        break;
     default:
         fprintf(stderr, "xhci_runtime_read: reg 0x%x unimplemented\n", reg);
+        ret = 0;
     }
-    return 0;
+
+    trace_usb_xhci_runtime_read(reg, ret);
+    return ret;
 }
 
 static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 {
-    DPRINTF("xhci_runtime_write(0x%x, 0x%08x)\n", reg, val);
+    trace_usb_xhci_runtime_read(reg, val);
 
     switch (reg) {
     case 0x20: /* IMAN */
@@ -2623,14 +2649,14 @@ static void xhci_runtime_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 
 static uint32_t xhci_doorbell_read(XHCIState *xhci, uint32_t reg)
 {
-    DPRINTF("xhci_doorbell_read(0x%x)\n", reg);
     /* doorbells always read as 0 */
+    trace_usb_xhci_doorbell_read(reg, 0);
     return 0;
 }
 
 static void xhci_doorbell_write(XHCIState *xhci, uint32_t reg, uint32_t val)
 {
-    DPRINTF("xhci_doorbell_write(0x%x, 0x%08x)\n", reg, val);
+    trace_usb_xhci_doorbell_write(reg, val);
 
     if (!xhci_running(xhci)) {
         fprintf(stderr, "xhci: wrote doorbell while xHC stopped or paused\n");
@@ -2831,8 +2857,6 @@ static void usb_xhci_init(XHCIState *xhci, DeviceState *dev)
     for (i = 0; i < MAXSLOTS; i++) {
         xhci->slots[i].enabled = 0;
     }
-
-    qemu_register_reset(xhci_reset, xhci);
 }
 
 static int usb_xhci_initfn(struct PCIDevice *dev)
@@ -2895,6 +2919,7 @@ static void xhci_class_init(ObjectClass *klass, void *data)
 
     dc->vmsd    = &vmstate_xhci;
     dc->props   = xhci_properties;
+    dc->reset   = xhci_reset;
     k->init         = usb_xhci_initfn;
     k->vendor_id    = PCI_VENDOR_ID_NEC;
     k->device_id    = PCI_DEVICE_ID_NEC_UPD720200;
diff --git a/hw/versatilepb.c b/hw/versatilepb.c
index 7c79c54d08..4fd5d9b04b 100644
--- a/hw/versatilepb.c
+++ b/hw/versatilepb.c
@@ -173,7 +173,7 @@ static void versatile_init(ram_addr_t ram_size,
                      const char *initrd_filename, const char *cpu_model,
                      int board_id)
 {
-    CPUARMState *env;
+    ARMCPU *cpu;
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     qemu_irq *cpu_pic;
@@ -189,10 +189,11 @@ static void versatile_init(ram_addr_t ram_size,
     int done_smc = 0;
     DriveInfo *dinfo;
 
-    if (!cpu_model)
+    if (!cpu_model) {
         cpu_model = "arm926";
-    env = cpu_init(cpu_model);
-    if (!env) {
+    }
+    cpu = cpu_arm_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
@@ -208,7 +209,7 @@ static void versatile_init(ram_addr_t ram_size,
     qdev_init_nofail(sysctl);
     sysbus_mmio_map(sysbus_from_qdev(sysctl), 0, 0x10000000);
 
-    cpu_pic = arm_pic_init_cpu(env);
+    cpu_pic = arm_pic_init_cpu(cpu);
     dev = sysbus_create_varargs("pl190", 0x10140000,
                                 cpu_pic[0], cpu_pic[1], NULL);
     for (n = 0; n < 32; n++) {
@@ -338,7 +339,7 @@ static void versatile_init(ram_addr_t ram_size,
     versatile_binfo.kernel_cmdline = kernel_cmdline;
     versatile_binfo.initrd_filename = initrd_filename;
     versatile_binfo.board_id = board_id;
-    arm_load_kernel(env, &versatile_binfo);
+    arm_load_kernel(cpu, &versatile_binfo);
 }
 
 static void vpb_init(ram_addr_t ram_size,
diff --git a/hw/vexpress.c b/hw/vexpress.c
index 18d87ac378..8072c5ada9 100644
--- a/hw/vexpress.c
+++ b/hw/vexpress.c
@@ -159,7 +159,6 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
                                   const char *cpu_model,
                                   qemu_irq *pic, uint32_t *proc_id)
 {
-    CPUARMState *env = NULL;
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *lowram = g_new(MemoryRegion, 1);
@@ -177,12 +176,12 @@ static void a9_daughterboard_init(const VEDBoardInfo *daughterboard,
     *proc_id = 0x0c000191;
 
     for (n = 0; n < smp_cpus; n++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        ARMCPU *cpu = cpu_arm_init(cpu_model);
+        if (!cpu) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
-        irqp = arm_pic_init_cpu(env);
+        irqp = arm_pic_init_cpu(cpu);
         cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
     }
 
@@ -259,7 +258,6 @@ static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
                                    qemu_irq *pic, uint32_t *proc_id)
 {
     int n;
-    CPUARMState *env = NULL;
     MemoryRegion *sysmem = get_system_memory();
     MemoryRegion *ram = g_new(MemoryRegion, 1);
     MemoryRegion *sram = g_new(MemoryRegion, 1);
@@ -274,13 +272,15 @@ static void a15_daughterboard_init(const VEDBoardInfo *daughterboard,
     *proc_id = 0x14000217;
 
     for (n = 0; n < smp_cpus; n++) {
+        ARMCPU *cpu;
         qemu_irq *irqp;
-        env = cpu_init(cpu_model);
-        if (!env) {
+
+        cpu = cpu_arm_init(cpu_model);
+        if (!cpu) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
-        irqp = arm_pic_init_cpu(env);
+        irqp = arm_pic_init_cpu(cpu);
         cpu_irq[n] = irqp[ARM_PIC_CPU_IRQ];
     }
 
@@ -438,7 +438,7 @@ static void vexpress_common_init(const VEDBoardInfo *daughterboard,
     vexpress_binfo.smp_loader_start = map[VE_SRAM];
     vexpress_binfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
     vexpress_binfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
-    arm_load_kernel(first_cpu, &vexpress_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &vexpress_binfo);
 }
 
 static void vexpress_a9_init(ram_addr_t ram_size,
diff --git a/hw/virtex_ml507.c b/hw/virtex_ml507.c
index 4a133b5d1e..cace86b5e4 100644
--- a/hw/virtex_ml507.c
+++ b/hw/virtex_ml507.c
@@ -78,19 +78,21 @@ static void mmubooke_create_initial_mapping(CPUPPCState *env,
     tlb->PID = 0;
 }
 
-static CPUPPCState *ppc440_init_xilinx(ram_addr_t *ram_size,
-                                    int do_init,
-                                    const char *cpu_model,
-                                    uint32_t sysclk)
+static PowerPCCPU *ppc440_init_xilinx(ram_addr_t *ram_size,
+                                      int do_init,
+                                      const char *cpu_model,
+                                      uint32_t sysclk)
 {
+    PowerPCCPU *cpu;
     CPUPPCState *env;
     qemu_irq *irqs;
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_ppc_init(cpu_model);
+    if (cpu == NULL) {
         fprintf(stderr, "Unable to initialize CPU!\n");
         exit(1);
     }
+    env = &cpu->env;
 
     ppc_booke_timers_init(env, sysclk, 0/* no flags */);
 
@@ -101,15 +103,16 @@ static CPUPPCState *ppc440_init_xilinx(ram_addr_t *ram_size,
     irqs[PPCUIC_OUTPUT_INT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_INT];
     irqs[PPCUIC_OUTPUT_CINT] = ((qemu_irq *)env->irq_inputs)[PPC40x_INPUT_CINT];
     ppcuic_init(env, irqs, 0x0C0, 0, 1);
-    return env;
+    return cpu;
 }
 
 static void main_cpu_reset(void *opaque)
 {
-    CPUPPCState *env = opaque;
+    PowerPCCPU *cpu = opaque;
+    CPUPPCState *env = &cpu->env;
     struct boot_info *bi = env->load_info;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
     /* Linux Kernel Parameters (passing device tree):
        *   r3: pointer to the fdt
        *   r4: 0
@@ -188,6 +191,7 @@ static void virtex_init(ram_addr_t ram_size,
 {
     MemoryRegion *address_space_mem = get_system_memory();
     DeviceState *dev;
+    PowerPCCPU *cpu;
     CPUPPCState *env;
     target_phys_addr_t ram_base = 0;
     DriveInfo *dinfo;
@@ -201,8 +205,9 @@ static void virtex_init(ram_addr_t ram_size,
         cpu_model = "440-Xilinx";
     }
 
-    env = ppc440_init_xilinx(&ram_size, 1, cpu_model, 400000000);
-    qemu_register_reset(main_cpu_reset, env);
+    cpu = ppc440_init_xilinx(&ram_size, 1, cpu_model, 400000000);
+    env = &cpu->env;
+    qemu_register_reset(main_cpu_reset, cpu);
 
     memory_region_init_ram(phys_ram, "ram", ram_size);
     vmstate_register_ram_global(phys_ram);
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index f9e1896ea9..fe0774617b 100644
--- a/hw/virtio-blk.c
+++ b/hw/virtio-blk.c
@@ -147,9 +147,11 @@ static VirtIOBlockReq *virtio_blk_get_request(VirtIOBlock *s)
 
 static void virtio_blk_handle_scsi(VirtIOBlockReq *req)
 {
+#ifdef __linux__
     int ret;
-    int status = VIRTIO_BLK_S_OK;
     int i;
+#endif
+    int status = VIRTIO_BLK_S_OK;
 
     /*
      * We require at least one output segment each for the virtio_blk_outhdr
@@ -489,7 +491,22 @@ static void virtio_blk_update_config(VirtIODevice *vdev, uint8_t *config)
     stw_raw(&blkcfg.min_io_size, s->conf->min_io_size / blk_size);
     stw_raw(&blkcfg.opt_io_size, s->conf->opt_io_size / blk_size);
     blkcfg.heads = heads;
-    blkcfg.sectors = secs & ~s->sector_mask;
+    /*
+     * We must ensure that the block device capacity is a multiple of
+     * the logical block size. If that is not the case, lets use
+     * sector_mask to adopt the geometry to have a correct picture.
+     * For those devices where the capacity is ok for the given geometry
+     * we dont touch the sector value of the geometry, since some devices
+     * (like s390 dasd) need a specific value. Here the capacity is already
+     * cyls*heads*secs*blk_size and the sector value is not block size
+     * divided by 512 - instead it is the amount of blk_size blocks
+     * per track (cylinder).
+     */
+    if (bdrv_getlength(s->bs) /  heads / secs % blk_size) {
+        blkcfg.sectors = secs & ~s->sector_mask;
+    } else {
+        blkcfg.sectors = secs;
+    }
     blkcfg.size_max = 0;
     blkcfg.physical_block_exp = get_physical_block_exp(s->conf);
     blkcfg.alignment_offset = 0;
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 79b86f1aad..d08c1590d2 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -24,6 +24,7 @@
 #include "virtio-scsi.h"
 #include "pci.h"
 #include "qemu-error.h"
+#include "msi.h"
 #include "msix.h"
 #include "net.h"
 #include "loader.h"
@@ -539,6 +540,107 @@ static void virtio_pci_guest_notifier_read(void *opaque)
     }
 }
 
+static int kvm_virtio_pci_vq_vector_use(VirtIOPCIProxy *proxy,
+                                        unsigned int queue_no,
+                                        unsigned int vector,
+                                        MSIMessage msg)
+{
+    VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no);
+    VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
+    int fd, ret;
+
+    fd = event_notifier_get_fd(virtio_queue_get_guest_notifier(vq));
+
+    if (irqfd->users == 0) {
+        ret = kvm_irqchip_add_msi_route(kvm_state, msg);
+        if (ret < 0) {
+            return ret;
+        }
+        irqfd->virq = ret;
+    }
+    irqfd->users++;
+
+    ret = kvm_irqchip_add_irqfd(kvm_state, fd, irqfd->virq);
+    if (ret < 0) {
+        if (--irqfd->users == 0) {
+            kvm_irqchip_release_virq(kvm_state, irqfd->virq);
+        }
+        return ret;
+    }
+
+    qemu_set_fd_handler(fd, NULL, NULL, NULL);
+
+    return 0;
+}
+
+static void kvm_virtio_pci_vq_vector_release(VirtIOPCIProxy *proxy,
+                                             unsigned int queue_no,
+                                             unsigned int vector)
+{
+    VirtQueue *vq = virtio_get_queue(proxy->vdev, queue_no);
+    VirtIOIRQFD *irqfd = &proxy->vector_irqfd[vector];
+    int fd, ret;
+
+    fd = event_notifier_get_fd(virtio_queue_get_guest_notifier(vq));
+
+    ret = kvm_irqchip_remove_irqfd(kvm_state, fd, irqfd->virq);
+    assert(ret == 0);
+
+    if (--irqfd->users == 0) {
+        kvm_irqchip_release_virq(kvm_state, irqfd->virq);
+    }
+
+    qemu_set_fd_handler(fd, virtio_pci_guest_notifier_read, NULL, vq);
+}
+
+static int kvm_virtio_pci_vector_use(PCIDevice *dev, unsigned vector,
+                                     MSIMessage msg)
+{
+    VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
+    VirtIODevice *vdev = proxy->vdev;
+    int ret, queue_no;
+
+    for (queue_no = 0; queue_no < VIRTIO_PCI_QUEUE_MAX; queue_no++) {
+        if (!virtio_queue_get_num(vdev, queue_no)) {
+            break;
+        }
+        if (virtio_queue_vector(vdev, queue_no) != vector) {
+            continue;
+        }
+        ret = kvm_virtio_pci_vq_vector_use(proxy, queue_no, vector, msg);
+        if (ret < 0) {
+            goto undo;
+        }
+    }
+    return 0;
+
+undo:
+    while (--queue_no >= 0) {
+        if (virtio_queue_vector(vdev, queue_no) != vector) {
+            continue;
+        }
+        kvm_virtio_pci_vq_vector_release(proxy, queue_no, vector);
+    }
+    return ret;
+}
+
+static void kvm_virtio_pci_vector_release(PCIDevice *dev, unsigned vector)
+{
+    VirtIOPCIProxy *proxy = container_of(dev, VirtIOPCIProxy, pci_dev);
+    VirtIODevice *vdev = proxy->vdev;
+    int queue_no;
+
+    for (queue_no = 0; queue_no < VIRTIO_PCI_QUEUE_MAX; queue_no++) {
+        if (!virtio_queue_get_num(vdev, queue_no)) {
+            break;
+        }
+        if (virtio_queue_vector(vdev, queue_no) != vector) {
+            continue;
+        }
+        kvm_virtio_pci_vq_vector_release(proxy, queue_no, vector);
+    }
+}
+
 static int virtio_pci_set_guest_notifier(void *opaque, int n, bool assign)
 {
     VirtIOPCIProxy *proxy = opaque;
@@ -555,6 +657,9 @@ static int virtio_pci_set_guest_notifier(void *opaque, int n, bool assign)
     } else {
         qemu_set_fd_handler(event_notifier_get_fd(notifier),
                             NULL, NULL, NULL);
+        /* Test and clear notifier before closing it,
+         * in case poll callback didn't have time to run. */
+        virtio_pci_guest_notifier_read(vq);
         event_notifier_cleanup(notifier);
     }
 
@@ -573,6 +678,13 @@ static int virtio_pci_set_guest_notifiers(void *opaque, bool assign)
     VirtIODevice *vdev = proxy->vdev;
     int r, n;
 
+    /* Must unset vector notifier while guest notifier is still assigned */
+    if (kvm_irqchip_in_kernel() && !assign) {
+        msix_unset_vector_notifiers(&proxy->pci_dev);
+        g_free(proxy->vector_irqfd);
+        proxy->vector_irqfd = NULL;
+    }
+
     for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) {
         if (!virtio_queue_get_num(vdev, n)) {
             break;
@@ -584,10 +696,24 @@ static int virtio_pci_set_guest_notifiers(void *opaque, bool assign)
         }
     }
 
+    /* Must set vector notifier after guest notifier has been assigned */
+    if (kvm_irqchip_in_kernel() && assign) {
+        proxy->vector_irqfd =
+            g_malloc0(sizeof(*proxy->vector_irqfd) *
+                      msix_nr_vectors_allocated(&proxy->pci_dev));
+        r = msix_set_vector_notifiers(&proxy->pci_dev,
+                                      kvm_virtio_pci_vector_use,
+                                      kvm_virtio_pci_vector_release);
+        if (r < 0) {
+            goto assign_error;
+        }
+    }
+
     return 0;
 
 assign_error:
     /* We get here on assignment failure. Recover by undoing for VQs 0 .. n. */
+    assert(assign);
     while (--n >= 0) {
         virtio_pci_set_guest_notifier(opaque, n, !assign);
     }
diff --git a/hw/virtio-pci.h b/hw/virtio-pci.h
index 889e59e421..91b791ba9d 100644
--- a/hw/virtio-pci.h
+++ b/hw/virtio-pci.h
@@ -26,6 +26,11 @@
 #define VIRTIO_PCI_FLAG_USE_IOEVENTFD   (1 << VIRTIO_PCI_FLAG_USE_IOEVENTFD_BIT)
 
 typedef struct {
+    int virq;
+    unsigned int users;
+} VirtIOIRQFD;
+
+typedef struct {
     PCIDevice pci_dev;
     VirtIODevice *vdev;
     MemoryRegion bar;
@@ -44,6 +49,7 @@ typedef struct {
     VirtIOSCSIConf scsi;
     bool ioeventfd_disabled;
     bool ioeventfd_started;
+    VirtIOIRQFD *vector_irqfd;
 } VirtIOPCIProxy;
 
 void virtio_init_pci(VirtIOPCIProxy *proxy, VirtIODevice *vdev);
diff --git a/hw/watchdog.c b/hw/watchdog.c
index 4c18965654..a42124d520 100644
--- a/hw/watchdog.c
+++ b/hw/watchdog.c
@@ -66,7 +66,7 @@ int select_watchdog(const char *p)
     QLIST_FOREACH(model, &watchdog_list, entry) {
         if (strcasecmp(model->wdt_name, p) == 0) {
             /* add the device */
-            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0);
+            opts = qemu_opts_create(qemu_find_opts("device"), NULL, 0, NULL);
             qemu_opt_set(opts, "driver", p);
             return 0;
         }
diff --git a/hw/xen.h b/hw/xen.h
index 3ae4cd0f5c..e5926b7b8a 100644
--- a/hw/xen.h
+++ b/hw/xen.h
@@ -57,14 +57,4 @@ void xen_register_framebuffer(struct MemoryRegion *mr);
 #  define HVM_MAX_VCPUS 32
 #endif
 
-static inline int xen_msi_support(void)
-{
-#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
-    && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
-    return xen_enabled();
-#else
-    return 0;
-#endif
-}
-
 #endif /* QEMU_HW_XEN_H */
diff --git a/hw/xen_apic.c b/hw/xen_apic.c
index 1725ff67dd..a9e101f315 100644
--- a/hw/xen_apic.c
+++ b/hw/xen_apic.c
@@ -40,6 +40,11 @@ static void xen_apic_init(APICCommonState *s)
 {
     memory_region_init_io(&s->io_memory, &xen_apic_io_ops, s, "xen-apic-msi",
                           MSI_SPACE_SIZE);
+
+#if defined(CONFIG_XEN_CTRL_INTERFACE_VERSION) \
+    && CONFIG_XEN_CTRL_INTERFACE_VERSION >= 420
+    msi_supported = true;
+#endif
 }
 
 static void xen_apic_set_base(APICCommonState *s, uint64_t val)
diff --git a/hw/xen_machine_pv.c b/hw/xen_machine_pv.c
index 7eee770eea..4b72aa7557 100644
--- a/hw/xen_machine_pv.c
+++ b/hw/xen_machine_pv.c
@@ -36,6 +36,7 @@ static void xen_init_pv(ram_addr_t ram_size,
 			const char *initrd_filename,
 			const char *cpu_model)
 {
+    X86CPU *cpu;
     CPUX86State *env;
     DriveInfo *dinfo;
     int i;
@@ -48,7 +49,8 @@ static void xen_init_pv(ram_addr_t ram_size,
         cpu_model = "qemu32";
 #endif
     }
-    env = cpu_init(cpu_model);
+    cpu = cpu_x86_init(cpu_model);
+    env = &cpu->env;
     env->halted = 1;
 
     /* Initialize backend core & drivers */
diff --git a/hw/xilinx_zynq.c b/hw/xilinx_zynq.c
index 7290c64a4c..7e6c27359e 100644
--- a/hw/xilinx_zynq.c
+++ b/hw/xilinx_zynq.c
@@ -50,7 +50,7 @@ static void zynq_init(ram_addr_t ram_size, const char *boot_device,
                         const char *kernel_filename, const char *kernel_cmdline,
                         const char *initrd_filename, const char *cpu_model)
 {
-    CPUARMState *env = NULL;
+    ARMCPU *cpu;
     MemoryRegion *address_space_mem = get_system_memory();
     MemoryRegion *ext_ram = g_new(MemoryRegion, 1);
     MemoryRegion *ocm_ram = g_new(MemoryRegion, 1);
@@ -66,12 +66,12 @@ static void zynq_init(ram_addr_t ram_size, const char *boot_device,
         cpu_model = "cortex-a9";
     }
 
-    env = cpu_init(cpu_model);
-    if (!env) {
+    cpu = cpu_arm_init(cpu_model);
+    if (!cpu) {
         fprintf(stderr, "Unable to find CPU definition\n");
         exit(1);
     }
-    irqp = arm_pic_init_cpu(env);
+    irqp = arm_pic_init_cpu(cpu);
     cpu_irq = irqp[ARM_PIC_CPU_IRQ];
 
     /* max 2GB ram */
@@ -137,7 +137,7 @@ static void zynq_init(ram_addr_t ram_size, const char *boot_device,
     zynq_binfo.nb_cpus = 1;
     zynq_binfo.board_id = 0xd32;
     zynq_binfo.loader_start = 0;
-    arm_load_kernel(first_cpu, &zynq_binfo);
+    arm_load_kernel(arm_env_get_cpu(first_cpu), &zynq_binfo);
 }
 
 static QEMUMachine zynq_machine = {
diff --git a/hw/xtensa/Makefile.objs b/hw/xtensa/Makefile.objs
new file mode 100644
index 0000000000..79698e903d
--- /dev/null
+++ b/hw/xtensa/Makefile.objs
@@ -0,0 +1,5 @@
+obj-y += xtensa_pic.o
+obj-y += xtensa_sim.o
+obj-y += xtensa_lx60.o
+
+obj-y := $(addprefix ../,$(obj-y))
diff --git a/hw/xtensa_lx60.c b/hw/xtensa_lx60.c
index afdef494b2..b153bfdddf 100644
--- a/hw/xtensa_lx60.c
+++ b/hw/xtensa_lx60.c
@@ -148,9 +148,9 @@ static uint64_t translate_phys_addr(void *env, uint64_t addr)
 
 static void lx60_reset(void *opaque)
 {
-    CPUXtensaState *env = opaque;
+    XtensaCPU *cpu = opaque;
 
-    cpu_state_reset(env);
+    cpu_reset(CPU(cpu));
 }
 
 static void lx_init(const LxBoardDesc *board,
@@ -164,6 +164,7 @@ static void lx_init(const LxBoardDesc *board,
     int be = 0;
 #endif
     MemoryRegion *system_memory = get_system_memory();
+    XtensaCPU *cpu = NULL;
     CPUXtensaState *env = NULL;
     MemoryRegion *ram, *rom, *system_io;
     DriveInfo *dinfo;
@@ -175,17 +176,19 @@ static void lx_init(const LxBoardDesc *board,
     }
 
     for (n = 0; n < smp_cpus; n++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_xtensa_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         env->sregs[PRID] = n;
-        qemu_register_reset(lx60_reset, env);
+        qemu_register_reset(lx60_reset, cpu);
         /* Need MMU initialized prior to ELF loading,
          * so that ELF gets loaded into virtual addresses
          */
-        cpu_state_reset(env);
+        cpu_reset(CPU(cpu));
     }
 
     ram = g_malloc(sizeof(*ram));
diff --git a/hw/xtensa_sim.c b/hw/xtensa_sim.c
index c7e05dcf4e..1ce07fb899 100644
--- a/hw/xtensa_sim.c
+++ b/hw/xtensa_sim.c
@@ -37,9 +37,11 @@ static uint64_t translate_phys_addr(void *env, uint64_t addr)
     return cpu_get_phys_page_debug(env, addr);
 }
 
-static void sim_reset(void *env)
+static void sim_reset(void *opaque)
 {
-    cpu_state_reset(env);
+    XtensaCPU *cpu = opaque;
+
+    cpu_reset(CPU(cpu));
 }
 
 static void sim_init(ram_addr_t ram_size,
@@ -47,22 +49,25 @@ static void sim_init(ram_addr_t ram_size,
         const char *kernel_filename, const char *kernel_cmdline,
         const char *initrd_filename, const char *cpu_model)
 {
+    XtensaCPU *cpu = NULL;
     CPUXtensaState *env = NULL;
     MemoryRegion *ram, *rom;
     int n;
 
     for (n = 0; n < smp_cpus; n++) {
-        env = cpu_init(cpu_model);
-        if (!env) {
+        cpu = cpu_xtensa_init(cpu_model);
+        if (cpu == NULL) {
             fprintf(stderr, "Unable to find CPU definition\n");
             exit(1);
         }
+        env = &cpu->env;
+
         env->sregs[PRID] = n;
-        qemu_register_reset(sim_reset, env);
+        qemu_register_reset(sim_reset, cpu);
         /* Need MMU initialized prior to ELF loading,
          * so that ELF gets loaded into virtual addresses
          */
-        sim_reset(env);
+        sim_reset(cpu);
     }
 
     ram = g_malloc(sizeof(*ram));
diff --git a/hw/z2.c b/hw/z2.c
index 654ac55f5c..289cee90c4 100644
--- a/hw/z2.c
+++ b/hw/z2.c
@@ -301,7 +301,7 @@ static void z2_init(ram_addr_t ram_size,
 {
     MemoryRegion *address_space_mem = get_system_memory();
     uint32_t sector_len = 0x10000;
-    PXA2xxState *cpu;
+    PXA2xxState *mpu;
     DriveInfo *dinfo;
     int be;
     void *z2_lcd;
@@ -313,7 +313,7 @@ static void z2_init(ram_addr_t ram_size,
     }
 
     /* Setup CPU & memory */
-    cpu = pxa270_init(address_space_mem, z2_binfo.ram_size, cpu_model);
+    mpu = pxa270_init(address_space_mem, z2_binfo.ram_size, cpu_model);
 
 #ifdef TARGET_WORDS_BIGENDIAN
     be = 1;
@@ -337,25 +337,25 @@ static void z2_init(ram_addr_t ram_size,
     }
 
     /* setup keypad */
-    pxa27x_register_keypad(cpu->kp, map, 0x100);
+    pxa27x_register_keypad(mpu->kp, map, 0x100);
 
     /* MMC/SD host */
-    pxa2xx_mmci_handlers(cpu->mmc,
+    pxa2xx_mmci_handlers(mpu->mmc,
         NULL,
-        qdev_get_gpio_in(cpu->gpio, Z2_GPIO_SD_DETECT));
+        qdev_get_gpio_in(mpu->gpio, Z2_GPIO_SD_DETECT));
 
     type_register_static(&zipit_lcd_info);
     type_register_static(&aer915_info);
-    z2_lcd = ssi_create_slave(cpu->ssp[1], "zipit-lcd");
-    bus = pxa2xx_i2c_bus(cpu->i2c[0]);
+    z2_lcd = ssi_create_slave(mpu->ssp[1], "zipit-lcd");
+    bus = pxa2xx_i2c_bus(mpu->i2c[0]);
     i2c_create_slave(bus, "aer915", 0x55);
     wm = i2c_create_slave(bus, "wm8750", 0x1b);
-    cpu->i2s->opaque = wm;
-    cpu->i2s->codec_out = wm8750_dac_dat;
-    cpu->i2s->codec_in = wm8750_adc_dat;
-    wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
+    mpu->i2s->opaque = wm;
+    mpu->i2s->codec_out = wm8750_dac_dat;
+    mpu->i2s->codec_in = wm8750_adc_dat;
+    wm8750_data_req_set(wm, mpu->i2s->data_req, mpu->i2s);
 
-    qdev_connect_gpio_out(cpu->gpio, Z2_GPIO_LCD_CS,
+    qdev_connect_gpio_out(mpu->gpio, Z2_GPIO_LCD_CS,
         qemu_allocate_irqs(z2_lcd_cs, z2_lcd, 1)[0]);
 
     if (kernel_filename) {
@@ -363,7 +363,7 @@ static void z2_init(ram_addr_t ram_size,
         z2_binfo.kernel_cmdline = kernel_cmdline;
         z2_binfo.initrd_filename = initrd_filename;
         z2_binfo.board_id = 0x6dd;
-        arm_load_kernel(cpu->env, &z2_binfo);
+        arm_load_kernel(mpu->cpu, &z2_binfo);
     }
 }