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alpha: Pass AlphaCPU array to Typhoon 

Also store it in TyphoonCchip.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Andreas Färber 2012-10-16 02:45:53 +02:00
parent 5f5e335088
commit ad6011775a
3 changed files with 26 additions and 23 deletions
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18
hw/alpha_dp264.c
View File

@ -50,7 +50,7 @@ static void clipper_init(QEMUMachineInitArgs *args)
const char *kernel_filename = args->kernel_filename;
const char *kernel_cmdline = args->kernel_cmdline;
const char *initrd_filename = args->initrd_filename;
CPUAlphaState *cpus[4];
AlphaCPU *cpus[4];
PCIBus *pci_bus;
ISABus *isa_bus;
qemu_irq rtc_irq;
@ -62,12 +62,12 @@ static void clipper_init(QEMUMachineInitArgs *args)
/* Create up to 4 cpus. */
memset(cpus, 0, sizeof(cpus));
for (i = 0; i < smp_cpus; ++i) {
cpus[i] = cpu_init(cpu_model ? cpu_model : "ev67");
cpus[i] = cpu_alpha_init(cpu_model ? cpu_model : "ev67");
}
cpus[0]->trap_arg0 = ram_size;
cpus[0]->trap_arg1 = 0;
cpus[0]->trap_arg2 = smp_cpus;
cpus[0]->env.trap_arg0 = ram_size;
cpus[0]->env.trap_arg1 = 0;
cpus[0]->env.trap_arg2 = smp_cpus;
/* Init the chipset. */
pci_bus = typhoon_init(ram_size, &isa_bus, &rtc_irq, cpus,
@ -119,9 +119,9 @@ static void clipper_init(QEMUMachineInitArgs *args)
/* Start all cpus at the PALcode RESET entry point. */
for (i = 0; i < smp_cpus; ++i) {
cpus[i]->pal_mode = 1;
cpus[i]->pc = palcode_entry;
cpus[i]->palbr = palcode_entry;
cpus[i]->env.pal_mode = 1;
cpus[i]->env.pc = palcode_entry;
cpus[i]->env.palbr = palcode_entry;
}
/* Load a kernel. */
@ -136,7 +136,7 @@ static void clipper_init(QEMUMachineInitArgs *args)
exit(1);
}
cpus[0]->trap_arg1 = kernel_entry;
cpus[0]->env.trap_arg1 = kernel_entry;
param_offset = kernel_low - 0x6000;

2
hw/alpha_sys.h
View File

@ -11,7 +11,7 @@
#include "irq.h"
PCIBus *typhoon_init(ram_addr_t, ISABus **, qemu_irq *, CPUAlphaState *[4],
PCIBus *typhoon_init(ram_addr_t, ISABus **, qemu_irq *, AlphaCPU *[4],
pci_map_irq_fn);
/* alpha_pci.c. */

29
hw/alpha_typhoon.c
View File

@ -23,7 +23,7 @@ typedef struct TyphoonCchip {
uint64_t drir;
uint64_t dim[4];
uint32_t iic[4];
CPUAlphaState *cpu[4];
AlphaCPU *cpu[4];
} TyphoonCchip;
typedef struct TyphoonWindow {
@ -58,10 +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 {
@ -353,8 +354,9 @@ static void cchip_write(void *opaque, hwaddr 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);
@ -661,8 +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.
@ -681,7 +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);
}
}
}
@ -694,12 +696,12 @@ 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;
@ -719,9 +721,10 @@ PCIBus *typhoon_init(ram_addr_t ram_size, ISABus **isa_bus,
/* 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) {
AlphaCPU *cpu = cpus[i];
s->cchip.cpu[i] = cpu;
if (cpu != NULL) {
CPUAlphaState *env = &cpu->env;
env->alarm_timer = qemu_new_timer_ns(rtc_clock,
typhoon_alarm_timer,
(void *)((uintptr_t)s + i));