hw: move boards and other isolated files to hw/ARCH

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 1936 insertions, 0 deletions

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
new file mode 100644
index 0000000000..37bd04108d
--- /dev/null
+++ b/hw/sparc/sun4m.c
@@ -0,0 +1,1936 @@
+/*
+ * QEMU Sun4m & Sun4d & Sun4c System Emulator
+ *
+ * Copyright (c) 2003-2005 Fabrice Bellard
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include "hw/sysbus.h"
+#include "qemu/timer.h"
+#include "hw/sun4m.h"
+#include "hw/nvram.h"
+#include "hw/sparc32_dma.h"
+#include "hw/fdc.h"
+#include "sysemu/sysemu.h"
+#include "net/net.h"
+#include "hw/boards.h"
+#include "hw/firmware_abi.h"
+#include "hw/esp.h"
+#include "hw/pc.h"
+#include "hw/isa.h"
+#include "hw/fw_cfg.h"
+#include "hw/escc.h"
+#include "hw/empty_slot.h"
+#include "hw/qdev-addr.h"
+#include "hw/loader.h"
+#include "elf.h"
+#include "sysemu/blockdev.h"
+#include "trace.h"
+
+/*
+ * Sun4m architecture was used in the following machines:
+ *
+ * SPARCserver 6xxMP/xx
+ * SPARCclassic (SPARCclassic Server)(SPARCstation LC) (4/15),
+ * SPARCclassic X (4/10)
+ * SPARCstation LX/ZX (4/30)
+ * SPARCstation Voyager
+ * SPARCstation 10/xx, SPARCserver 10/xx
+ * SPARCstation 5, SPARCserver 5
+ * SPARCstation 20/xx, SPARCserver 20
+ * SPARCstation 4
+ *
+ * Sun4d architecture was used in the following machines:
+ *
+ * SPARCcenter 2000
+ * SPARCserver 1000
+ *
+ * Sun4c architecture was used in the following machines:
+ * SPARCstation 1/1+, SPARCserver 1/1+
+ * SPARCstation SLC
+ * SPARCstation IPC
+ * SPARCstation ELC
+ * SPARCstation IPX
+ *
+ * See for example: http://www.sunhelp.org/faq/sunref1.html
+ */
+
+#define KERNEL_LOAD_ADDR     0x00004000
+#define CMDLINE_ADDR         0x007ff000
+#define INITRD_LOAD_ADDR     0x00800000
+#define PROM_SIZE_MAX        (1024 * 1024)
+#define PROM_VADDR           0xffd00000
+#define PROM_FILENAME        "openbios-sparc32"
+#define CFG_ADDR             0xd00000510ULL
+#define FW_CFG_SUN4M_DEPTH   (FW_CFG_ARCH_LOCAL + 0x00)
+
+#define MAX_CPUS 16
+#define MAX_PILS 16
+#define MAX_VSIMMS 4
+
+#define ESCC_CLOCK 4915200
+
+struct sun4m_hwdef {
+    hwaddr iommu_base, iommu_pad_base, iommu_pad_len, slavio_base;
+    hwaddr intctl_base, counter_base, nvram_base, ms_kb_base;
+    hwaddr serial_base, fd_base;
+    hwaddr afx_base, idreg_base, dma_base, esp_base, le_base;
+    hwaddr tcx_base, cs_base, apc_base, aux1_base, aux2_base;
+    hwaddr bpp_base, dbri_base, sx_base;
+    struct {
+        hwaddr reg_base, vram_base;
+    } vsimm[MAX_VSIMMS];
+    hwaddr ecc_base;
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+    uint32_t ecc_version;
+    uint32_t iommu_version;
+    uint16_t machine_id;
+    uint8_t nvram_machine_id;
+};
+
+#define MAX_IOUNITS 5
+
+struct sun4d_hwdef {
+    hwaddr iounit_bases[MAX_IOUNITS], slavio_base;
+    hwaddr counter_base, nvram_base, ms_kb_base;
+    hwaddr serial_base;
+    hwaddr espdma_base, esp_base;
+    hwaddr ledma_base, le_base;
+    hwaddr tcx_base;
+    hwaddr sbi_base;
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+    uint32_t iounit_version;
+    uint16_t machine_id;
+    uint8_t nvram_machine_id;
+};
+
+struct sun4c_hwdef {
+    hwaddr iommu_base, slavio_base;
+    hwaddr intctl_base, counter_base, nvram_base, ms_kb_base;
+    hwaddr serial_base, fd_base;
+    hwaddr idreg_base, dma_base, esp_base, le_base;
+    hwaddr tcx_base, aux1_base;
+    uint64_t max_mem;
+    const char * const default_cpu_model;
+    uint32_t iommu_version;
+    uint16_t machine_id;
+    uint8_t nvram_machine_id;
+};
+
+int DMA_get_channel_mode (int nchan)
+{
+    return 0;
+}
+int DMA_read_memory (int nchan, void *buf, int pos, int size)
+{
+    return 0;
+}
+int DMA_write_memory (int nchan, void *buf, int pos, int size)
+{
+    return 0;
+}
+void DMA_hold_DREQ (int nchan) {}
+void DMA_release_DREQ (int nchan) {}
+void DMA_schedule(int nchan) {}
+
+void DMA_init(int high_page_enable, qemu_irq *cpu_request_exit)
+{
+}
+
+void DMA_register_channel (int nchan,
+                           DMA_transfer_handler transfer_handler,
+                           void *opaque)
+{
+}
+
+static int fw_cfg_boot_set(void *opaque, const char *boot_device)
+{
+    fw_cfg_add_i16(opaque, FW_CFG_BOOT_DEVICE, boot_device[0]);
+    return 0;
+}
+
+static void nvram_init(M48t59State *nvram, uint8_t *macaddr,
+                       const char *cmdline, const char *boot_devices,
+                       ram_addr_t RAM_size, uint32_t kernel_size,
+                       int width, int height, int depth,
+                       int nvram_machine_id, const char *arch)
+{
+    unsigned int i;
+    uint32_t start, end;
+    uint8_t image[0x1ff0];
+    struct OpenBIOS_nvpart_v1 *part_header;
+
+    memset(image, '\0', sizeof(image));
+
+    start = 0;
+
+    // OpenBIOS nvram variables
+    // Variable partition
+    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+    part_header->signature = OPENBIOS_PART_SYSTEM;
+    pstrcpy(part_header->name, sizeof(part_header->name), "system");
+
+    end = start + sizeof(struct OpenBIOS_nvpart_v1);
+    for (i = 0; i < nb_prom_envs; i++)
+        end = OpenBIOS_set_var(image, end, prom_envs[i]);
+
+    // End marker
+    image[end++] = '\0';
+
+    end = start + ((end - start + 15) & ~15);
+    OpenBIOS_finish_partition(part_header, end - start);
+
+    // free partition
+    start = end;
+    part_header = (struct OpenBIOS_nvpart_v1 *)&image[start];
+    part_header->signature = OPENBIOS_PART_FREE;
+    pstrcpy(part_header->name, sizeof(part_header->name), "free");
+
+    end = 0x1fd0;
+    OpenBIOS_finish_partition(part_header, end - start);
+
+    Sun_init_header((struct Sun_nvram *)&image[0x1fd8], macaddr,
+                    nvram_machine_id);
+
+    for (i = 0; i < sizeof(image); i++)
+        m48t59_write(nvram, i, image[i]);
+}
+
+static DeviceState *slavio_intctl;
+
+void sun4m_pic_info(Monitor *mon, const QDict *qdict)
+{
+    if (slavio_intctl)
+        slavio_pic_info(mon, slavio_intctl);
+}
+
+void sun4m_irq_info(Monitor *mon, const QDict *qdict)
+{
+    if (slavio_intctl)
+        slavio_irq_info(mon, slavio_intctl);
+}
+
+void cpu_check_irqs(CPUSPARCState *env)
+{
+    if (env->pil_in && (env->interrupt_index == 0 ||
+                        (env->interrupt_index & ~15) == TT_EXTINT)) {
+        unsigned int i;
+
+        for (i = 15; i > 0; i--) {
+            if (env->pil_in & (1 << i)) {
+                int old_interrupt = env->interrupt_index;
+
+                env->interrupt_index = TT_EXTINT | i;
+                if (old_interrupt != env->interrupt_index) {
+                    trace_sun4m_cpu_interrupt(i);
+                    cpu_interrupt(env, CPU_INTERRUPT_HARD);
+                }
+                break;
+            }
+        }
+    } else if (!env->pil_in && (env->interrupt_index & ~15) == TT_EXTINT) {
+        trace_sun4m_cpu_reset_interrupt(env->interrupt_index & 15);
+        env->interrupt_index = 0;
+        cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
+    }
+}
+
+static void cpu_kick_irq(SPARCCPU *cpu)
+{
+    CPUSPARCState *env = &cpu->env;
+
+    env->halted = 0;
+    cpu_check_irqs(env);
+    qemu_cpu_kick(CPU(cpu));
+}
+
+static void cpu_set_irq(void *opaque, int irq, int level)
+{
+    SPARCCPU *cpu = opaque;
+    CPUSPARCState *env = &cpu->env;
+
+    if (level) {
+        trace_sun4m_cpu_set_irq_raise(irq);
+        env->pil_in |= 1 << irq;
+        cpu_kick_irq(cpu);
+    } else {
+        trace_sun4m_cpu_set_irq_lower(irq);
+        env->pil_in &= ~(1 << irq);
+        cpu_check_irqs(env);
+    }
+}
+
+static void dummy_cpu_set_irq(void *opaque, int irq, int level)
+{
+}
+
+static void main_cpu_reset(void *opaque)
+{
+    SPARCCPU *cpu = opaque;
+    CPUSPARCState *env = &cpu->env;
+
+    cpu_reset(CPU(cpu));
+    env->halted = 0;
+}
+
+static void secondary_cpu_reset(void *opaque)
+{
+    SPARCCPU *cpu = opaque;
+    CPUSPARCState *env = &cpu->env;
+
+    cpu_reset(CPU(cpu));
+    env->halted = 1;
+}
+
+static void cpu_halt_signal(void *opaque, int irq, int level)
+{
+    if (level && cpu_single_env)
+        cpu_interrupt(cpu_single_env, CPU_INTERRUPT_HALT);
+}
+
+static uint64_t translate_kernel_address(void *opaque, uint64_t addr)
+{
+    return addr - 0xf0000000ULL;
+}
+
+static unsigned long sun4m_load_kernel(const char *kernel_filename,
+                                       const char *initrd_filename,
+                                       ram_addr_t RAM_size)
+{
+    int linux_boot;
+    unsigned int i;
+    long initrd_size, kernel_size;
+    uint8_t *ptr;
+
+    linux_boot = (kernel_filename != NULL);
+
+    kernel_size = 0;
+    if (linux_boot) {
+        int bswap_needed;
+
+#ifdef BSWAP_NEEDED
+        bswap_needed = 1;
+#else
+        bswap_needed = 0;
+#endif
+        kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
+                               NULL, NULL, NULL, 1, ELF_MACHINE, 0);
+        if (kernel_size < 0)
+            kernel_size = load_aout(kernel_filename, KERNEL_LOAD_ADDR,
+                                    RAM_size - KERNEL_LOAD_ADDR, bswap_needed,
+                                    TARGET_PAGE_SIZE);
+        if (kernel_size < 0)
+            kernel_size = load_image_targphys(kernel_filename,
+                                              KERNEL_LOAD_ADDR,
+                                              RAM_size - KERNEL_LOAD_ADDR);
+        if (kernel_size < 0) {
+            fprintf(stderr, "qemu: could not load kernel '%s'\n",
+                    kernel_filename);
+            exit(1);
+        }
+
+        /* load initrd */
+        initrd_size = 0;
+        if (initrd_filename) {
+            initrd_size = load_image_targphys(initrd_filename,
+                                              INITRD_LOAD_ADDR,
+                                              RAM_size - INITRD_LOAD_ADDR);
+            if (initrd_size < 0) {
+                fprintf(stderr, "qemu: could not load initial ram disk '%s'\n",
+                        initrd_filename);
+                exit(1);
+            }
+        }
+        if (initrd_size > 0) {
+            for (i = 0; i < 64 * TARGET_PAGE_SIZE; i += TARGET_PAGE_SIZE) {
+                ptr = rom_ptr(KERNEL_LOAD_ADDR + i);
+                if (ldl_p(ptr) == 0x48647253) { // HdrS
+                    stl_p(ptr + 16, INITRD_LOAD_ADDR);
+                    stl_p(ptr + 20, initrd_size);
+                    break;
+                }
+            }
+        }
+    }
+    return kernel_size;
+}
+
+static void *iommu_init(hwaddr addr, uint32_t version, qemu_irq irq)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "iommu");
+    qdev_prop_set_uint32(dev, "version", version);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(s, 0, irq);
+    sysbus_mmio_map(s, 0, addr);
+
+    return s;
+}
+
+static void *sparc32_dma_init(hwaddr daddr, qemu_irq parent_irq,
+                              void *iommu, qemu_irq *dev_irq, int is_ledma)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "sparc32_dma");
+    qdev_prop_set_ptr(dev, "iommu_opaque", iommu);
+    qdev_prop_set_uint32(dev, "is_ledma", is_ledma);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(s, 0, parent_irq);
+    *dev_irq = qdev_get_gpio_in(dev, 0);
+    sysbus_mmio_map(s, 0, daddr);
+
+    return s;
+}
+
+static void lance_init(NICInfo *nd, hwaddr leaddr,
+                       void *dma_opaque, qemu_irq irq)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    qemu_irq reset;
+
+    qemu_check_nic_model(&nd_table[0], "lance");
+
+    dev = qdev_create(NULL, "lance");
+    qdev_set_nic_properties(dev, nd);
+    qdev_prop_set_ptr(dev, "dma", dma_opaque);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_mmio_map(s, 0, leaddr);
+    sysbus_connect_irq(s, 0, irq);
+    reset = qdev_get_gpio_in(dev, 0);
+    qdev_connect_gpio_out(dma_opaque, 0, reset);
+}
+
+static DeviceState *slavio_intctl_init(hwaddr addr,
+                                       hwaddr addrg,
+                                       qemu_irq **parent_irq)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    unsigned int i, j;
+
+    dev = qdev_create(NULL, "slavio_intctl");
+    qdev_init_nofail(dev);
+
+    s = SYS_BUS_DEVICE(dev);
+
+    for (i = 0; i < MAX_CPUS; i++) {
+        for (j = 0; j < MAX_PILS; j++) {
+            sysbus_connect_irq(s, i * MAX_PILS + j, parent_irq[i][j]);
+        }
+    }
+    sysbus_mmio_map(s, 0, addrg);
+    for (i = 0; i < MAX_CPUS; i++) {
+        sysbus_mmio_map(s, i + 1, addr + i * TARGET_PAGE_SIZE);
+    }
+
+    return dev;
+}
+
+#define SYS_TIMER_OFFSET      0x10000ULL
+#define CPU_TIMER_OFFSET(cpu) (0x1000ULL * cpu)
+
+static void slavio_timer_init_all(hwaddr addr, qemu_irq master_irq,
+                                  qemu_irq *cpu_irqs, unsigned int num_cpus)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    unsigned int i;
+
+    dev = qdev_create(NULL, "slavio_timer");
+    qdev_prop_set_uint32(dev, "num_cpus", num_cpus);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(s, 0, master_irq);
+    sysbus_mmio_map(s, 0, addr + SYS_TIMER_OFFSET);
+
+    for (i = 0; i < MAX_CPUS; i++) {
+        sysbus_mmio_map(s, i + 1, addr + (hwaddr)CPU_TIMER_OFFSET(i));
+        sysbus_connect_irq(s, i + 1, cpu_irqs[i]);
+    }
+}
+
+static qemu_irq  slavio_system_powerdown;
+
+static void slavio_powerdown_req(Notifier *n, void *opaque)
+{
+    qemu_irq_raise(slavio_system_powerdown);
+}
+
+static Notifier slavio_system_powerdown_notifier = {
+    .notify = slavio_powerdown_req
+};
+
+#define MISC_LEDS 0x01600000
+#define MISC_CFG  0x01800000
+#define MISC_DIAG 0x01a00000
+#define MISC_MDM  0x01b00000
+#define MISC_SYS  0x01f00000
+
+static void slavio_misc_init(hwaddr base,
+                             hwaddr aux1_base,
+                             hwaddr aux2_base, qemu_irq irq,
+                             qemu_irq fdc_tc)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "slavio_misc");
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    if (base) {
+        /* 8 bit registers */
+        /* Slavio control */
+        sysbus_mmio_map(s, 0, base + MISC_CFG);
+        /* Diagnostics */
+        sysbus_mmio_map(s, 1, base + MISC_DIAG);
+        /* Modem control */
+        sysbus_mmio_map(s, 2, base + MISC_MDM);
+        /* 16 bit registers */
+        /* ss600mp diag LEDs */
+        sysbus_mmio_map(s, 3, base + MISC_LEDS);
+        /* 32 bit registers */
+        /* System control */
+        sysbus_mmio_map(s, 4, base + MISC_SYS);
+    }
+    if (aux1_base) {
+        /* AUX 1 (Misc System Functions) */
+        sysbus_mmio_map(s, 5, aux1_base);
+    }
+    if (aux2_base) {
+        /* AUX 2 (Software Powerdown Control) */
+        sysbus_mmio_map(s, 6, aux2_base);
+    }
+    sysbus_connect_irq(s, 0, irq);
+    sysbus_connect_irq(s, 1, fdc_tc);
+    slavio_system_powerdown = qdev_get_gpio_in(dev, 0);
+    qemu_register_powerdown_notifier(&slavio_system_powerdown_notifier);
+}
+
+static void ecc_init(hwaddr base, qemu_irq irq, uint32_t version)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "eccmemctl");
+    qdev_prop_set_uint32(dev, "version", version);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    sysbus_connect_irq(s, 0, irq);
+    sysbus_mmio_map(s, 0, base);
+    if (version == 0) { // SS-600MP only
+        sysbus_mmio_map(s, 1, base + 0x1000);
+    }
+}
+
+static void apc_init(hwaddr power_base, qemu_irq cpu_halt)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "apc");
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    /* Power management (APC) XXX: not a Slavio device */
+    sysbus_mmio_map(s, 0, power_base);
+    sysbus_connect_irq(s, 0, cpu_halt);
+}
+
+static void tcx_init(hwaddr addr, int vram_size, int width,
+                     int height, int depth)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "SUNW,tcx");
+    qdev_prop_set_taddr(dev, "addr", addr);
+    qdev_prop_set_uint32(dev, "vram_size", vram_size);
+    qdev_prop_set_uint16(dev, "width", width);
+    qdev_prop_set_uint16(dev, "height", height);
+    qdev_prop_set_uint16(dev, "depth", depth);
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+    /* 8-bit plane */
+    sysbus_mmio_map(s, 0, addr + 0x00800000ULL);
+    /* DAC */
+    sysbus_mmio_map(s, 1, addr + 0x00200000ULL);
+    /* TEC (dummy) */
+    sysbus_mmio_map(s, 2, addr + 0x00700000ULL);
+    /* THC 24 bit: NetBSD writes here even with 8-bit display: dummy */
+    sysbus_mmio_map(s, 3, addr + 0x00301000ULL);
+    if (depth == 24) {
+        /* 24-bit plane */
+        sysbus_mmio_map(s, 4, addr + 0x02000000ULL);
+        /* Control plane */
+        sysbus_mmio_map(s, 5, addr + 0x0a000000ULL);
+    } else {
+        /* THC 8 bit (dummy) */
+        sysbus_mmio_map(s, 4, addr + 0x00300000ULL);
+    }
+}
+
+/* NCR89C100/MACIO Internal ID register */
+static const uint8_t idreg_data[] = { 0xfe, 0x81, 0x01, 0x03 };
+
+static void idreg_init(hwaddr addr)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "macio_idreg");
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+
+    sysbus_mmio_map(s, 0, addr);
+    cpu_physical_memory_write_rom(addr, idreg_data, sizeof(idreg_data));
+}
+
+typedef struct IDRegState {
+    SysBusDevice busdev;
+    MemoryRegion mem;
+} IDRegState;
+
+static int idreg_init1(SysBusDevice *dev)
+{
+    IDRegState *s = FROM_SYSBUS(IDRegState, dev);
+
+    memory_region_init_ram(&s->mem, "sun4m.idreg", sizeof(idreg_data));
+    vmstate_register_ram_global(&s->mem);
+    memory_region_set_readonly(&s->mem, true);
+    sysbus_init_mmio(dev, &s->mem);
+    return 0;
+}
+
+static void idreg_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = idreg_init1;
+}
+
+static const TypeInfo idreg_info = {
+    .name          = "macio_idreg",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(IDRegState),
+    .class_init    = idreg_class_init,
+};
+
+typedef struct AFXState {
+    SysBusDevice busdev;
+    MemoryRegion mem;
+} AFXState;
+
+/* SS-5 TCX AFX register */
+static void afx_init(hwaddr addr)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+
+    dev = qdev_create(NULL, "tcx_afx");
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+
+    sysbus_mmio_map(s, 0, addr);
+}
+
+static int afx_init1(SysBusDevice *dev)
+{
+    AFXState *s = FROM_SYSBUS(AFXState, dev);
+
+    memory_region_init_ram(&s->mem, "sun4m.afx", 4);
+    vmstate_register_ram_global(&s->mem);
+    sysbus_init_mmio(dev, &s->mem);
+    return 0;
+}
+
+static void afx_class_init(ObjectClass *klass, void *data)
+{
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = afx_init1;
+}
+
+static const TypeInfo afx_info = {
+    .name          = "tcx_afx",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(AFXState),
+    .class_init    = afx_class_init,
+};
+
+typedef struct PROMState {
+    SysBusDevice busdev;
+    MemoryRegion prom;
+} PROMState;
+
+/* Boot PROM (OpenBIOS) */
+static uint64_t translate_prom_address(void *opaque, uint64_t addr)
+{
+    hwaddr *base_addr = (hwaddr *)opaque;
+    return addr + *base_addr - PROM_VADDR;
+}
+
+static void prom_init(hwaddr addr, const char *bios_name)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    char *filename;
+    int ret;
+
+    dev = qdev_create(NULL, "openprom");
+    qdev_init_nofail(dev);
+    s = SYS_BUS_DEVICE(dev);
+
+    sysbus_mmio_map(s, 0, addr);
+
+    /* load boot prom */
+    if (bios_name == NULL) {
+        bios_name = PROM_FILENAME;
+    }
+    filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
+    if (filename) {
+        ret = load_elf(filename, translate_prom_address, &addr, NULL,
+                       NULL, NULL, 1, ELF_MACHINE, 0);
+        if (ret < 0 || ret > PROM_SIZE_MAX) {
+            ret = load_image_targphys(filename, addr, PROM_SIZE_MAX);
+        }
+        g_free(filename);
+    } else {
+        ret = -1;
+    }
+    if (ret < 0 || ret > PROM_SIZE_MAX) {
+        fprintf(stderr, "qemu: could not load prom '%s'\n", bios_name);
+        exit(1);
+    }
+}
+
+static int prom_init1(SysBusDevice *dev)
+{
+    PROMState *s = FROM_SYSBUS(PROMState, dev);
+
+    memory_region_init_ram(&s->prom, "sun4m.prom", PROM_SIZE_MAX);
+    vmstate_register_ram_global(&s->prom);
+    memory_region_set_readonly(&s->prom, true);
+    sysbus_init_mmio(dev, &s->prom);
+    return 0;
+}
+
+static Property prom_properties[] = {
+    {/* end of property list */},
+};
+
+static void prom_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = prom_init1;
+    dc->props = prom_properties;
+}
+
+static const TypeInfo prom_info = {
+    .name          = "openprom",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(PROMState),
+    .class_init    = prom_class_init,
+};
+
+typedef struct RamDevice
+{
+    SysBusDevice busdev;
+    MemoryRegion ram;
+    uint64_t size;
+} RamDevice;
+
+/* System RAM */
+static int ram_init1(SysBusDevice *dev)
+{
+    RamDevice *d = FROM_SYSBUS(RamDevice, dev);
+
+    memory_region_init_ram(&d->ram, "sun4m.ram", d->size);
+    vmstate_register_ram_global(&d->ram);
+    sysbus_init_mmio(dev, &d->ram);
+    return 0;
+}
+
+static void ram_init(hwaddr addr, ram_addr_t RAM_size,
+                     uint64_t max_mem)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    RamDevice *d;
+
+    /* allocate RAM */
+    if ((uint64_t)RAM_size > max_mem) {
+        fprintf(stderr,
+                "qemu: Too much memory for this machine: %d, maximum %d\n",
+                (unsigned int)(RAM_size / (1024 * 1024)),
+                (unsigned int)(max_mem / (1024 * 1024)));
+        exit(1);
+    }
+    dev = qdev_create(NULL, "memory");
+    s = SYS_BUS_DEVICE(dev);
+
+    d = FROM_SYSBUS(RamDevice, s);
+    d->size = RAM_size;
+    qdev_init_nofail(dev);
+
+    sysbus_mmio_map(s, 0, addr);
+}
+
+static Property ram_properties[] = {
+    DEFINE_PROP_UINT64("size", RamDevice, size, 0),
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static void ram_class_init(ObjectClass *klass, void *data)
+{
+    DeviceClass *dc = DEVICE_CLASS(klass);
+    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
+
+    k->init = ram_init1;
+    dc->props = ram_properties;
+}
+
+static const TypeInfo ram_info = {
+    .name          = "memory",
+    .parent        = TYPE_SYS_BUS_DEVICE,
+    .instance_size = sizeof(RamDevice),
+    .class_init    = ram_class_init,
+};
+
+static void cpu_devinit(const char *cpu_model, unsigned int id,
+                        uint64_t prom_addr, qemu_irq **cpu_irqs)
+{
+    SPARCCPU *cpu;
+    CPUSPARCState *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, cpu);
+    } else {
+        qemu_register_reset(secondary_cpu_reset, cpu);
+        env->halted = 1;
+    }
+    *cpu_irqs = qemu_allocate_irqs(cpu_set_irq, cpu, MAX_PILS);
+    env->prom_addr = prom_addr;
+}
+
+static void dummy_fdc_tc(void *opaque, int irq, int level)
+{
+}
+
+static void sun4m_hw_init(const struct sun4m_hwdef *hwdef, 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)
+{
+    unsigned int i;
+    void *iommu, *espdma, *ledma, *nvram;
+    qemu_irq *cpu_irqs[MAX_CPUS], slavio_irq[32], slavio_cpu_irq[MAX_CPUS],
+        espdma_irq, ledma_irq;
+    qemu_irq esp_reset, dma_enable;
+    qemu_irq fdc_tc;
+    qemu_irq *cpu_halt;
+    unsigned long kernel_size;
+    DriveInfo *fd[MAX_FD];
+    void *fw_cfg;
+    unsigned int num_vsimms;
+
+    /* init CPUs */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    for(i = 0; i < smp_cpus; i++) {
+        cpu_devinit(cpu_model, i, hwdef->slavio_base, &cpu_irqs[i]);
+    }
+
+    for (i = smp_cpus; i < MAX_CPUS; i++)
+        cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
+
+
+    /* set up devices */
+    ram_init(0, RAM_size, hwdef->max_mem);
+    /* models without ECC don't trap when missing ram is accessed */
+    if (!hwdef->ecc_base) {
+        empty_slot_init(RAM_size, hwdef->max_mem - RAM_size);
+    }
+
+    prom_init(hwdef->slavio_base, bios_name);
+
+    slavio_intctl = slavio_intctl_init(hwdef->intctl_base,
+                                       hwdef->intctl_base + 0x10000ULL,
+                                       cpu_irqs);
+
+    for (i = 0; i < 32; i++) {
+        slavio_irq[i] = qdev_get_gpio_in(slavio_intctl, i);
+    }
+    for (i = 0; i < MAX_CPUS; i++) {
+        slavio_cpu_irq[i] = qdev_get_gpio_in(slavio_intctl, 32 + i);
+    }
+
+    if (hwdef->idreg_base) {
+        idreg_init(hwdef->idreg_base);
+    }
+
+    if (hwdef->afx_base) {
+        afx_init(hwdef->afx_base);
+    }
+
+    iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
+                       slavio_irq[30]);
+
+    if (hwdef->iommu_pad_base) {
+        /* On the real hardware (SS-5, LX) the MMU is not padded, but aliased.
+           Software shouldn't use aliased addresses, neither should it crash
+           when does. Using empty_slot instead of aliasing can help with
+           debugging such accesses */
+        empty_slot_init(hwdef->iommu_pad_base,hwdef->iommu_pad_len);
+    }
+
+    espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[18],
+                              iommu, &espdma_irq, 0);
+
+    ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
+                             slavio_irq[16], iommu, &ledma_irq, 1);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    num_vsimms = 0;
+    if (num_vsimms == 0) {
+        tcx_init(hwdef->tcx_base, 0x00100000, graphic_width, graphic_height,
+                 graphic_depth);
+    }
+
+    for (i = num_vsimms; i < MAX_VSIMMS; i++) {
+        /* vsimm registers probed by OBP */
+        if (hwdef->vsimm[i].reg_base) {
+            empty_slot_init(hwdef->vsimm[i].reg_base, 0x2000);
+        }
+    }
+
+    if (hwdef->sx_base) {
+        empty_slot_init(hwdef->sx_base, 0x2000);
+    }
+
+    lance_init(&nd_table[0], hwdef->le_base, ledma, ledma_irq);
+
+    nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x2000, 8);
+
+    slavio_timer_init_all(hwdef->counter_base, slavio_irq[19], slavio_cpu_irq, smp_cpus);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[14],
+                              display_type == DT_NOGRAPHIC, ESCC_CLOCK, 1);
+    /* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
+       Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
+    escc_init(hwdef->serial_base, slavio_irq[15], slavio_irq[15],
+              serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
+
+    cpu_halt = qemu_allocate_irqs(cpu_halt_signal, NULL, 1);
+    if (hwdef->apc_base) {
+        apc_init(hwdef->apc_base, cpu_halt[0]);
+    }
+
+    if (hwdef->fd_base) {
+        /* there is zero or one floppy drive */
+        memset(fd, 0, sizeof(fd));
+        fd[0] = drive_get(IF_FLOPPY, 0, 0);
+        sun4m_fdctrl_init(slavio_irq[22], hwdef->fd_base, fd,
+                          &fdc_tc);
+    } else {
+        fdc_tc = *qemu_allocate_irqs(dummy_fdc_tc, NULL, 1);
+    }
+
+    slavio_misc_init(hwdef->slavio_base, hwdef->aux1_base, hwdef->aux2_base,
+                     slavio_irq[30], fdc_tc);
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    esp_init(hwdef->esp_base, 2,
+             espdma_memory_read, espdma_memory_write,
+             espdma, espdma_irq, &esp_reset, &dma_enable);
+
+    qdev_connect_gpio_out(espdma, 0, esp_reset);
+    qdev_connect_gpio_out(espdma, 1, dma_enable);
+
+    if (hwdef->cs_base) {
+        sysbus_create_simple("SUNW,CS4231", hwdef->cs_base,
+                             slavio_irq[5]);
+    }
+
+    if (hwdef->dbri_base) {
+        /* ISDN chip with attached CS4215 audio codec */
+        /* prom space */
+        empty_slot_init(hwdef->dbri_base+0x1000, 0x30);
+        /* reg space */
+        empty_slot_init(hwdef->dbri_base+0x10000, 0x100);
+    }
+
+    if (hwdef->bpp_base) {
+        /* parallel port */
+        empty_slot_init(hwdef->bpp_base, 0x20);
+    }
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4m");
+
+    if (hwdef->ecc_base)
+        ecc_init(hwdef->ecc_base, slavio_irq[28],
+                 hwdef->ecc_version);
+
+    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
+    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+    if (kernel_cmdline) {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
+        pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+        fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
+        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE,
+                       strlen(kernel_cmdline) + 1);
+    } else {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+        fw_cfg_add_i32(fw_cfg, FW_CFG_CMDLINE_SIZE, 0);
+    }
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used
+    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device[0]);
+    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+}
+
+enum {
+    ss2_id = 0,
+    ss5_id = 32,
+    vger_id,
+    lx_id,
+    ss4_id,
+    scls_id,
+    sbook_id,
+    ss10_id = 64,
+    ss20_id,
+    ss600mp_id,
+    ss1000_id = 96,
+    ss2000_id,
+};
+
+static const struct sun4m_hwdef sun4m_hwdefs[] = {
+    /* SS-5 */
+    {
+        .iommu_base   = 0x10000000,
+        .iommu_pad_base = 0x10004000,
+        .iommu_pad_len  = 0x0fffb000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = 0x6c000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .afx_base     = 0x6e000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss5_id,
+        .iommu_version = 0x05000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* SS-10 */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .fd_base      = 0xff1700000ULL,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .idreg_base   = 0xef0000000ULL,
+        .dma_base     = 0xef0400000ULL,
+        .esp_base     = 0xef0800000ULL,
+        .le_base      = 0xef0c00000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL,
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x10000000, // version 0, implementation 1
+        .nvram_machine_id = 0x72,
+        .machine_id = ss10_id,
+        .iommu_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-600MP */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .dma_base     = 0xef0081000ULL,
+        .esp_base     = 0xef0080000ULL,
+        .le_base      = 0xef0060000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL, // XXX should not exist
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x00000000, // version 0, implementation 0
+        .nvram_machine_id = 0x71,
+        .machine_id = ss600mp_id,
+        .iommu_version = 0x01000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-20 */
+    {
+        .iommu_base   = 0xfe0000000ULL,
+        .tcx_base     = 0xe20000000ULL,
+        .slavio_base  = 0xff0000000ULL,
+        .ms_kb_base   = 0xff1000000ULL,
+        .serial_base  = 0xff1100000ULL,
+        .nvram_base   = 0xff1200000ULL,
+        .fd_base      = 0xff1700000ULL,
+        .counter_base = 0xff1300000ULL,
+        .intctl_base  = 0xff1400000ULL,
+        .idreg_base   = 0xef0000000ULL,
+        .dma_base     = 0xef0400000ULL,
+        .esp_base     = 0xef0800000ULL,
+        .le_base      = 0xef0c00000ULL,
+        .bpp_base     = 0xef4800000ULL,
+        .apc_base     = 0xefa000000ULL, // XXX should not exist
+        .aux1_base    = 0xff1800000ULL,
+        .aux2_base    = 0xff1a01000ULL,
+        .dbri_base    = 0xee0000000ULL,
+        .sx_base      = 0xf80000000ULL,
+        .vsimm        = {
+            {
+                .reg_base  = 0x9c000000ULL,
+                .vram_base = 0xfc000000ULL
+            }, {
+                .reg_base  = 0x90000000ULL,
+                .vram_base = 0xf0000000ULL
+            }, {
+                .reg_base  = 0x94000000ULL
+            }, {
+                .reg_base  = 0x98000000ULL
+            }
+        },
+        .ecc_base     = 0xf00000000ULL,
+        .ecc_version  = 0x20000000, // version 0, implementation 2
+        .nvram_machine_id = 0x72,
+        .machine_id = ss20_id,
+        .iommu_version = 0x13000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* Voyager */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x71300000, // pmc
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = vger_id,
+        .iommu_version = 0x05000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* LX */
+    {
+        .iommu_base   = 0x10000000,
+        .iommu_pad_base = 0x10004000,
+        .iommu_pad_len  = 0x0fffb000,
+        .tcx_base     = 0x50000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = lx_id,
+        .iommu_version = 0x04000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+    /* SS-4 */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .cs_base      = 0x6c000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss4_id,
+        .iommu_version = 0x05000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Fujitsu MB86904",
+    },
+    /* SPARCClassic */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000,
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = scls_id,
+        .iommu_version = 0x05000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+    /* SPARCbook */
+    {
+        .iommu_base   = 0x10000000,
+        .tcx_base     = 0x50000000, // XXX
+        .slavio_base  = 0x70000000,
+        .ms_kb_base   = 0x71000000,
+        .serial_base  = 0x71100000,
+        .nvram_base   = 0x71200000,
+        .fd_base      = 0x71400000,
+        .counter_base = 0x71d00000,
+        .intctl_base  = 0x71e00000,
+        .idreg_base   = 0x78000000,
+        .dma_base     = 0x78400000,
+        .esp_base     = 0x78800000,
+        .le_base      = 0x78c00000,
+        .apc_base     = 0x6a000000,
+        .aux1_base    = 0x71900000,
+        .aux2_base    = 0x71910000,
+        .nvram_machine_id = 0x80,
+        .machine_id = sbook_id,
+        .iommu_version = 0x05000000,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "TI MicroSparc I",
+    },
+};
+
+/* SPARCstation 5 hardware initialisation */
+static void ss5_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[0], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 10 hardware initialisation */
+static void ss10_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[1], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCserver 600MP hardware initialisation */
+static void ss600mp_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[2], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 20 hardware initialisation */
+static void ss20_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[3], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation Voyager hardware initialisation */
+static void vger_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[4], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation LX hardware initialisation */
+static void ss_lx_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[5], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 4 hardware initialisation */
+static void ss4_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[6], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCClassic hardware initialisation */
+static void scls_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[7], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCbook hardware initialisation */
+static void sbook_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4m_hw_init(&sun4m_hwdefs[8], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+static QEMUMachine ss5_machine = {
+    .name = "SS-5",
+    .desc = "Sun4m platform, SPARCstation 5",
+    .init = ss5_init,
+    .block_default_type = IF_SCSI,
+    .is_default = 1,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss10_machine = {
+    .name = "SS-10",
+    .desc = "Sun4m platform, SPARCstation 10",
+    .init = ss10_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 4,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss600mp_machine = {
+    .name = "SS-600MP",
+    .desc = "Sun4m platform, SPARCserver 600MP",
+    .init = ss600mp_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 4,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss20_machine = {
+    .name = "SS-20",
+    .desc = "Sun4m platform, SPARCstation 20",
+    .init = ss20_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 4,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine voyager_machine = {
+    .name = "Voyager",
+    .desc = "Sun4m platform, SPARCstation Voyager",
+    .init = vger_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss_lx_machine = {
+    .name = "LX",
+    .desc = "Sun4m platform, SPARCstation LX",
+    .init = ss_lx_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss4_machine = {
+    .name = "SS-4",
+    .desc = "Sun4m platform, SPARCstation 4",
+    .init = ss4_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine scls_machine = {
+    .name = "SPARCClassic",
+    .desc = "Sun4m platform, SPARCClassic",
+    .init = scls_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine sbook_machine = {
+    .name = "SPARCbook",
+    .desc = "Sun4m platform, SPARCbook",
+    .init = sbook_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static const struct sun4d_hwdef sun4d_hwdefs[] = {
+    /* SS-1000 */
+    {
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            -1,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss1000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-2000 */
+    {
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            0xfe4200000ULL,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss2000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+};
+
+static DeviceState *sbi_init(hwaddr addr, qemu_irq **parent_irq)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    unsigned int i;
+
+    dev = qdev_create(NULL, "sbi");
+    qdev_init_nofail(dev);
+
+    s = SYS_BUS_DEVICE(dev);
+
+    for (i = 0; i < MAX_CPUS; i++) {
+        sysbus_connect_irq(s, i, *parent_irq[i]);
+    }
+
+    sysbus_mmio_map(s, 0, addr);
+
+    return dev;
+}
+
+static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, 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)
+{
+    unsigned int i;
+    void *iounits[MAX_IOUNITS], *espdma, *ledma, *nvram;
+    qemu_irq *cpu_irqs[MAX_CPUS], sbi_irq[32], sbi_cpu_irq[MAX_CPUS],
+        espdma_irq, ledma_irq;
+    qemu_irq esp_reset, dma_enable;
+    unsigned long kernel_size;
+    void *fw_cfg;
+    DeviceState *dev;
+
+    /* init CPUs */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    for(i = 0; i < smp_cpus; i++) {
+        cpu_devinit(cpu_model, i, hwdef->slavio_base, &cpu_irqs[i]);
+    }
+
+    for (i = smp_cpus; i < MAX_CPUS; i++)
+        cpu_irqs[i] = qemu_allocate_irqs(dummy_cpu_set_irq, NULL, MAX_PILS);
+
+    /* set up devices */
+    ram_init(0, RAM_size, hwdef->max_mem);
+
+    prom_init(hwdef->slavio_base, bios_name);
+
+    dev = sbi_init(hwdef->sbi_base, cpu_irqs);
+
+    for (i = 0; i < 32; i++) {
+        sbi_irq[i] = qdev_get_gpio_in(dev, i);
+    }
+    for (i = 0; i < MAX_CPUS; i++) {
+        sbi_cpu_irq[i] = qdev_get_gpio_in(dev, 32 + i);
+    }
+
+    for (i = 0; i < MAX_IOUNITS; i++)
+        if (hwdef->iounit_bases[i] != (hwaddr)-1)
+            iounits[i] = iommu_init(hwdef->iounit_bases[i],
+                                    hwdef->iounit_version,
+                                    sbi_irq[0]);
+
+    espdma = sparc32_dma_init(hwdef->espdma_base, sbi_irq[3],
+                              iounits[0], &espdma_irq, 0);
+
+    /* should be lebuffer instead */
+    ledma = sparc32_dma_init(hwdef->ledma_base, sbi_irq[4],
+                             iounits[0], &ledma_irq, 0);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    tcx_init(hwdef->tcx_base, 0x00100000, graphic_width, graphic_height,
+             graphic_depth);
+
+    lance_init(&nd_table[0], hwdef->le_base, ledma, ledma_irq);
+
+    nvram = m48t59_init(sbi_irq[0], hwdef->nvram_base, 0, 0x2000, 8);
+
+    slavio_timer_init_all(hwdef->counter_base, sbi_irq[10], sbi_cpu_irq, smp_cpus);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, sbi_irq[12],
+                              display_type == DT_NOGRAPHIC, ESCC_CLOCK, 1);
+    /* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
+       Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
+    escc_init(hwdef->serial_base, sbi_irq[12], sbi_irq[12],
+              serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    esp_init(hwdef->esp_base, 2,
+             espdma_memory_read, espdma_memory_write,
+             espdma, espdma_irq, &esp_reset, &dma_enable);
+
+    qdev_connect_gpio_out(espdma, 0, esp_reset);
+    qdev_connect_gpio_out(espdma, 1, dma_enable);
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4d");
+
+    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
+    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+    if (kernel_cmdline) {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
+        pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+        fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
+    } else {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+    }
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used
+    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device[0]);
+    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+}
+
+/* SPARCserver 1000 hardware initialisation */
+static void ss1000_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4d_hw_init(&sun4d_hwdefs[0], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCcenter 2000 hardware initialisation */
+static void ss2000_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4d_hw_init(&sun4d_hwdefs[1], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+static QEMUMachine ss1000_machine = {
+    .name = "SS-1000",
+    .desc = "Sun4d platform, SPARCserver 1000",
+    .init = ss1000_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 8,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static QEMUMachine ss2000_machine = {
+    .name = "SS-2000",
+    .desc = "Sun4d platform, SPARCcenter 2000",
+    .init = ss2000_init,
+    .block_default_type = IF_SCSI,
+    .max_cpus = 20,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static const struct sun4c_hwdef sun4c_hwdefs[] = {
+    /* SS-2 */
+    {
+        .iommu_base   = 0xf8000000,
+        .tcx_base     = 0xfe000000,
+        .slavio_base  = 0xf6000000,
+        .intctl_base  = 0xf5000000,
+        .counter_base = 0xf3000000,
+        .ms_kb_base   = 0xf0000000,
+        .serial_base  = 0xf1000000,
+        .nvram_base   = 0xf2000000,
+        .fd_base      = 0xf7200000,
+        .dma_base     = 0xf8400000,
+        .esp_base     = 0xf8800000,
+        .le_base      = 0xf8c00000,
+        .aux1_base    = 0xf7400003,
+        .nvram_machine_id = 0x55,
+        .machine_id = ss2_id,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Cypress CY7C601",
+    },
+};
+
+static DeviceState *sun4c_intctl_init(hwaddr addr,
+                                      qemu_irq *parent_irq)
+{
+    DeviceState *dev;
+    SysBusDevice *s;
+    unsigned int i;
+
+    dev = qdev_create(NULL, "sun4c_intctl");
+    qdev_init_nofail(dev);
+
+    s = SYS_BUS_DEVICE(dev);
+
+    for (i = 0; i < MAX_PILS; i++) {
+        sysbus_connect_irq(s, i, parent_irq[i]);
+    }
+    sysbus_mmio_map(s, 0, addr);
+
+    return dev;
+}
+
+static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, 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)
+{
+    void *iommu, *espdma, *ledma, *nvram;
+    qemu_irq *cpu_irqs, slavio_irq[8], espdma_irq, ledma_irq;
+    qemu_irq esp_reset, dma_enable;
+    qemu_irq fdc_tc;
+    unsigned long kernel_size;
+    DriveInfo *fd[MAX_FD];
+    void *fw_cfg;
+    DeviceState *dev;
+    unsigned int i;
+
+    /* init CPU */
+    if (!cpu_model)
+        cpu_model = hwdef->default_cpu_model;
+
+    cpu_devinit(cpu_model, 0, hwdef->slavio_base, &cpu_irqs);
+
+    /* set up devices */
+    ram_init(0, RAM_size, hwdef->max_mem);
+
+    prom_init(hwdef->slavio_base, bios_name);
+
+    dev = sun4c_intctl_init(hwdef->intctl_base, cpu_irqs);
+
+    for (i = 0; i < 8; i++) {
+        slavio_irq[i] = qdev_get_gpio_in(dev, i);
+    }
+
+    iommu = iommu_init(hwdef->iommu_base, hwdef->iommu_version,
+                       slavio_irq[1]);
+
+    espdma = sparc32_dma_init(hwdef->dma_base, slavio_irq[2],
+                              iommu, &espdma_irq, 0);
+
+    ledma = sparc32_dma_init(hwdef->dma_base + 16ULL,
+                             slavio_irq[3], iommu, &ledma_irq, 1);
+
+    if (graphic_depth != 8 && graphic_depth != 24) {
+        fprintf(stderr, "qemu: Unsupported depth: %d\n", graphic_depth);
+        exit (1);
+    }
+    tcx_init(hwdef->tcx_base, 0x00100000, graphic_width, graphic_height,
+             graphic_depth);
+
+    lance_init(&nd_table[0], hwdef->le_base, ledma, ledma_irq);
+
+    nvram = m48t59_init(slavio_irq[0], hwdef->nvram_base, 0, 0x800, 2);
+
+    slavio_serial_ms_kbd_init(hwdef->ms_kb_base, slavio_irq[1],
+                              display_type == DT_NOGRAPHIC, ESCC_CLOCK, 1);
+    /* Slavio TTYA (base+4, Linux ttyS0) is the first QEMU serial device
+       Slavio TTYB (base+0, Linux ttyS1) is the second QEMU serial device */
+    escc_init(hwdef->serial_base, slavio_irq[1],
+              slavio_irq[1], serial_hds[0], serial_hds[1],
+              ESCC_CLOCK, 1);
+
+    if (hwdef->fd_base != (hwaddr)-1) {
+        /* there is zero or one floppy drive */
+        memset(fd, 0, sizeof(fd));
+        fd[0] = drive_get(IF_FLOPPY, 0, 0);
+        sun4m_fdctrl_init(slavio_irq[1], hwdef->fd_base, fd,
+                          &fdc_tc);
+    } else {
+        fdc_tc = *qemu_allocate_irqs(dummy_fdc_tc, NULL, 1);
+    }
+
+    slavio_misc_init(0, hwdef->aux1_base, 0, slavio_irq[1], fdc_tc);
+
+    if (drive_get_max_bus(IF_SCSI) > 0) {
+        fprintf(stderr, "qemu: too many SCSI bus\n");
+        exit(1);
+    }
+
+    esp_init(hwdef->esp_base, 2,
+             espdma_memory_read, espdma_memory_write,
+             espdma, espdma_irq, &esp_reset, &dma_enable);
+
+    qdev_connect_gpio_out(espdma, 0, esp_reset);
+    qdev_connect_gpio_out(espdma, 1, dma_enable);
+
+    kernel_size = sun4m_load_kernel(kernel_filename, initrd_filename,
+                                    RAM_size);
+
+    nvram_init(nvram, (uint8_t *)&nd_table[0].macaddr, kernel_cmdline,
+               boot_device, RAM_size, kernel_size, graphic_width,
+               graphic_height, graphic_depth, hwdef->nvram_machine_id,
+               "Sun4c");
+
+    fw_cfg = fw_cfg_init(0, 0, CFG_ADDR, CFG_ADDR + 2);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MAX_CPUS, (uint16_t)max_cpus);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_ID, 1);
+    fw_cfg_add_i64(fw_cfg, FW_CFG_RAM_SIZE, (uint64_t)ram_size);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_MACHINE_ID, hwdef->machine_id);
+    fw_cfg_add_i16(fw_cfg, FW_CFG_SUN4M_DEPTH, graphic_depth);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_ADDR, KERNEL_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_SIZE, kernel_size);
+    if (kernel_cmdline) {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, CMDLINE_ADDR);
+        pstrcpy_targphys("cmdline", CMDLINE_ADDR, TARGET_PAGE_SIZE, kernel_cmdline);
+        fw_cfg_add_string(fw_cfg, FW_CFG_CMDLINE_DATA, kernel_cmdline);
+    } else {
+        fw_cfg_add_i32(fw_cfg, FW_CFG_KERNEL_CMDLINE, 0);
+    }
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_ADDR, INITRD_LOAD_ADDR);
+    fw_cfg_add_i32(fw_cfg, FW_CFG_INITRD_SIZE, 0); // not used
+    fw_cfg_add_i16(fw_cfg, FW_CFG_BOOT_DEVICE, boot_device[0]);
+    qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
+}
+
+/* SPARCstation 2 hardware initialisation */
+static void ss2_init(QEMUMachineInitArgs *args)
+{
+    ram_addr_t RAM_size = args->ram_size;
+    const char *cpu_model = args->cpu_model;
+    const char *kernel_filename = args->kernel_filename;
+    const char *kernel_cmdline = args->kernel_cmdline;
+    const char *initrd_filename = args->initrd_filename;
+    const char *boot_device = args->boot_device;
+    sun4c_hw_init(&sun4c_hwdefs[0], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+static QEMUMachine ss2_machine = {
+    .name = "SS-2",
+    .desc = "Sun4c platform, SPARCstation 2",
+    .init = ss2_init,
+    .block_default_type = IF_SCSI,
+    DEFAULT_MACHINE_OPTIONS,
+};
+
+static void sun4m_register_types(void)
+{
+    type_register_static(&idreg_info);
+    type_register_static(&afx_info);
+    type_register_static(&prom_info);
+    type_register_static(&ram_info);
+}
+
+static void ss2_machine_init(void)
+{
+    qemu_register_machine(&ss5_machine);
+    qemu_register_machine(&ss10_machine);
+    qemu_register_machine(&ss600mp_machine);
+    qemu_register_machine(&ss20_machine);
+    qemu_register_machine(&voyager_machine);
+    qemu_register_machine(&ss_lx_machine);
+    qemu_register_machine(&ss4_machine);
+    qemu_register_machine(&scls_machine);
+    qemu_register_machine(&sbook_machine);
+    qemu_register_machine(&ss1000_machine);
+    qemu_register_machine(&ss2000_machine);
+    qemu_register_machine(&ss2_machine);
+}
+
+type_init(sun4m_register_types)
+machine_init(ss2_machine_init);