diff options
Diffstat (limited to 'hw/alpha_typhoon.c')
-rw-r--r-- | hw/alpha_typhoon.c | 74 |
1 files changed, 41 insertions, 33 deletions
diff --git a/hw/alpha_typhoon.c b/hw/alpha_typhoon.c index 872e1122e8..dafb35ddd1 100644 --- a/hw/alpha_typhoon.c +++ b/hw/alpha_typhoon.c @@ -7,21 +7,23 @@ */ #include "cpu.h" -#include "exec-all.h" +#include "exec/exec-all.h" #include "hw.h" #include "devices.h" -#include "sysemu.h" +#include "sysemu/sysemu.h" #include "alpha_sys.h" -#include "exec-memory.h" +#include "exec/address-spaces.h" +#define TYPE_TYPHOON_PCI_HOST_BRIDGE "typhoon-pcihost" + typedef struct TyphoonCchip { MemoryRegion region; uint64_t misc; uint64_t drir; uint64_t dim[4]; uint32_t iic[4]; - CPUAlphaState *cpu[4]; + AlphaCPU *cpu[4]; } TyphoonCchip; typedef struct TyphoonWindow { @@ -40,8 +42,12 @@ typedef struct TyphoonPchip { TyphoonWindow win[4]; } TyphoonPchip; +#define TYPHOON_PCI_HOST_BRIDGE(obj) \ + OBJECT_CHECK(TyphoonState, (obj), TYPE_TYPHOON_PCI_HOST_BRIDGE) + typedef struct TyphoonState { - PCIHostState host; + PCIHostState parent_obj; + TyphoonCchip cchip; TyphoonPchip pchip; MemoryRegion dchip_region; @@ -52,10 +58,11 @@ typedef struct TyphoonState { } TyphoonState; /* Called when one of DRIR or DIM changes. */ -static void cpu_irq_change(CPUAlphaState *env, uint64_t req) +static void cpu_irq_change(AlphaCPU *cpu, uint64_t req) { /* If there are any non-masked interrupts, tell the cpu. */ - if (env) { + if (cpu != NULL) { + CPUAlphaState *env = &cpu->env; if (req) { cpu_interrupt(env, CPU_INTERRUPT_HARD); } else { @@ -64,7 +71,7 @@ static void cpu_irq_change(CPUAlphaState *env, uint64_t req) } } -static uint64_t cchip_read(void *opaque, target_phys_addr_t addr, unsigned size) +static uint64_t cchip_read(void *opaque, hwaddr addr, unsigned size) { CPUAlphaState *env = cpu_single_env; TyphoonState *s = opaque; @@ -197,13 +204,13 @@ static uint64_t cchip_read(void *opaque, target_phys_addr_t addr, unsigned size) return ret; } -static uint64_t dchip_read(void *opaque, target_phys_addr_t addr, unsigned size) +static uint64_t dchip_read(void *opaque, hwaddr addr, unsigned size) { /* Skip this. It's all related to DRAM timing and setup. */ return 0; } -static uint64_t pchip_read(void *opaque, target_phys_addr_t addr, unsigned size) +static uint64_t pchip_read(void *opaque, hwaddr addr, unsigned size) { TyphoonState *s = opaque; uint64_t ret = 0; @@ -300,7 +307,7 @@ static uint64_t pchip_read(void *opaque, target_phys_addr_t addr, unsigned size) return ret; } -static void cchip_write(void *opaque, target_phys_addr_t addr, +static void cchip_write(void *opaque, hwaddr addr, uint64_t v32, unsigned size) { TyphoonState *s = opaque; @@ -347,8 +354,9 @@ static void cchip_write(void *opaque, target_phys_addr_t addr, if ((newval ^ oldval) & 0xff0) { int i; for (i = 0; i < 4; ++i) { - CPUAlphaState *env = s->cchip.cpu[i]; - if (env) { + AlphaCPU *cpu = s->cchip.cpu[i]; + if (cpu != NULL) { + CPUAlphaState *env = &cpu->env; /* IPI can be either cleared or set by the write. */ if (newval & (1 << (i + 8))) { cpu_interrupt(env, CPU_INTERRUPT_SMP); @@ -457,13 +465,13 @@ static void cchip_write(void *opaque, target_phys_addr_t addr, } } -static void dchip_write(void *opaque, target_phys_addr_t addr, +static void dchip_write(void *opaque, hwaddr addr, uint64_t val, unsigned size) { /* Skip this. It's all related to DRAM timing and setup. */ } -static void pchip_write(void *opaque, target_phys_addr_t addr, +static void pchip_write(void *opaque, hwaddr addr, uint64_t v32, unsigned size) { TyphoonState *s = opaque; @@ -655,8 +663,8 @@ static void typhoon_set_timer_irq(void *opaque, int irq, int level) /* Deliver the interrupt to each CPU, considering each CPU's IIC. */ for (i = 0; i < 4; ++i) { - CPUAlphaState *env = s->cchip.cpu[i]; - if (env) { + AlphaCPU *cpu = s->cchip.cpu[i]; + if (cpu != NULL) { uint32_t iic = s->cchip.iic[i]; /* ??? The verbage in Section 10.2.2.10 isn't 100% clear. @@ -675,7 +683,7 @@ static void typhoon_set_timer_irq(void *opaque, int irq, int level) /* Set the ITI bit for this cpu. */ s->cchip.misc |= 1 << (i + 4); /* And signal the interrupt. */ - cpu_interrupt(env, CPU_INTERRUPT_TIMER); + cpu_interrupt(&cpu->env, CPU_INTERRUPT_TIMER); } } } @@ -688,35 +696,35 @@ static void typhoon_alarm_timer(void *opaque) /* Set the ITI bit for this cpu. */ s->cchip.misc |= 1 << (cpu + 4); - cpu_interrupt(s->cchip.cpu[cpu], CPU_INTERRUPT_TIMER); + cpu_interrupt(&s->cchip.cpu[cpu]->env, CPU_INTERRUPT_TIMER); } PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus, qemu_irq *p_rtc_irq, - CPUAlphaState *cpus[4], pci_map_irq_fn sys_map_irq) + AlphaCPU *cpus[4], pci_map_irq_fn sys_map_irq) { const uint64_t MB = 1024 * 1024; const uint64_t GB = 1024 * MB; MemoryRegion *addr_space = get_system_memory(); MemoryRegion *addr_space_io = get_system_io(); DeviceState *dev; - PCIHostState *p; TyphoonState *s; + PCIHostState *phb; PCIBus *b; int i; - dev = qdev_create(NULL, "typhoon-pcihost"); + dev = qdev_create(NULL, TYPE_TYPHOON_PCI_HOST_BRIDGE); qdev_init_nofail(dev); - p = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev)); - s = container_of(p, TyphoonState, host); + s = TYPHOON_PCI_HOST_BRIDGE(dev); + phb = PCI_HOST_BRIDGE(dev); /* Remember the CPUs so that we can deliver interrupts to them. */ for (i = 0; i < 4; i++) { - CPUAlphaState *env = cpus[i]; - s->cchip.cpu[i] = env; - if (env) { - env->alarm_timer = qemu_new_timer_ns(rtc_clock, + AlphaCPU *cpu = cpus[i]; + s->cchip.cpu[i] = cpu; + if (cpu != NULL) { + cpu->alarm_timer = qemu_new_timer_ns(rtc_clock, typhoon_alarm_timer, (void *)((uintptr_t)s + i)); } @@ -763,10 +771,10 @@ PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus, memory_region_add_subregion(addr_space, 0x801fc000000ULL, &s->pchip.reg_io); - b = pci_register_bus(&s->host.busdev.qdev, "pci", + b = pci_register_bus(dev, "pci", typhoon_set_irq, sys_map_irq, s, &s->pchip.reg_mem, addr_space_io, 0, 64); - s->host.bus = b; + phb->bus = b; /* Pchip0 PCI special/interrupt acknowledge, 0x801.F800.0000, 64MB. */ memory_region_init_io(&s->pchip.reg_iack, &alpha_pci_iack_ops, b, @@ -817,9 +825,9 @@ static void typhoon_pcihost_class_init(ObjectClass *klass, void *data) dc->no_user = 1; } -static TypeInfo typhoon_pcihost_info = { - .name = "typhoon-pcihost", - .parent = TYPE_SYS_BUS_DEVICE, +static const TypeInfo typhoon_pcihost_info = { + .name = TYPE_TYPHOON_PCI_HOST_BRIDGE, + .parent = TYPE_PCI_HOST_BRIDGE, .instance_size = sizeof(TyphoonState), .class_init = typhoon_pcihost_class_init, }; |