/* if disabled, cannot be enabled again */
if (!(val & MSR_IA32_APICBASE_ENABLE)) {
s->apicbase &= ~MSR_IA32_APICBASE_ENABLE;
- s->cpu_env->cpuid_features &= ~CPUID_APIC;
+ cpu_clear_apic_feature(s->cpu_env);
s->spurious_vec &= ~APIC_SV_ENABLE;
}
}
s->initial_count_load_time = 0;
s->next_time = 0;
s->wait_for_sipi = 1;
-
- s->cpu_env->halted = !(s->apicbase & MSR_IA32_APICBASE_BSP);
}
static void apic_startup(APICState *s, int vector_num)
if (!s->wait_for_sipi)
return;
-
- s->cpu_env->eip = 0;
- cpu_x86_load_seg_cache(s->cpu_env, R_CS, s->sipi_vector << 8,
- s->sipi_vector << 12,
- s->cpu_env->segs[R_CS].limit,
- s->cpu_env->segs[R_CS].flags);
- s->cpu_env->halted = 0;
+ cpu_x86_load_seg_cache_sipi(s->cpu_env, s->sipi_vector);
s->wait_for_sipi = 0;
}
static uint32_t apic_mem_readl(void *opaque, target_phys_addr_t addr)
{
- CPUState *env;
APICState *s;
uint32_t val;
int index;
- env = cpu_single_env;
- if (!env)
+ s = cpu_get_current_apic();
+ if (!s) {
return 0;
- s = env->apic_state;
+ }
index = (addr >> 4) & 0xff;
switch(index) {
static void apic_mem_writel(void *opaque, target_phys_addr_t addr, uint32_t val)
{
- CPUState *env;
APICState *s;
int index = (addr >> 4) & 0xff;
if (addr > 0xfff || !index) {
return;
}
- env = cpu_single_env;
- if (!env)
+ s = cpu_get_current_apic();
+ if (!s) {
return;
- s = env->apic_state;
+ }
DPRINTF("write: " TARGET_FMT_plx " = %08x\n", addr, val);
s->apicbase = 0xfee00000 |
(bsp ? MSR_IA32_APICBASE_BSP : 0) | MSR_IA32_APICBASE_ENABLE;
- cpu_reset(s->cpu_env);
apic_init_reset(s);
if (bsp) {
apic_mem_writel,
};
-int apic_init(CPUState *env)
+APICState *apic_init(CPUState *env, uint32_t apic_id)
{
APICState *s;
- if (last_apic_idx >= MAX_APICS)
- return -1;
+ if (last_apic_idx >= MAX_APICS) {
+ return NULL;
+ }
s = qemu_mallocz(sizeof(APICState));
- env->apic_state = s;
s->idx = last_apic_idx++;
- s->id = env->cpuid_apic_id;
+ s->id = apic_id;
s->cpu_env = env;
msix_supported = 1;
qemu_register_reset(apic_reset, s);
local_apics[s->idx] = s;
- return 0;
+ return s;
}