diff options
Diffstat (limited to 'target/i386/host-cpu.c')
-rw-r--r-- | target/i386/host-cpu.c | 44 |
1 files changed, 12 insertions, 32 deletions
diff --git a/target/i386/host-cpu.c b/target/i386/host-cpu.c index 280e427..7512567 100644 --- a/target/i386/host-cpu.c +++ b/target/i386/host-cpu.c @@ -12,10 +12,10 @@ #include "host-cpu.h" #include "qapi/error.h" #include "qemu/error-report.h" -#include "sysemu/sysemu.h" +#include "system/system.h" /* Note: Only safe for use on x86(-64) hosts */ -static uint32_t host_cpu_phys_bits(void) +uint32_t host_cpu_phys_bits(void) { uint32_t eax; uint32_t host_phys_bits; @@ -42,16 +42,7 @@ static uint32_t host_cpu_phys_bits(void) return host_phys_bits; } -static void host_cpu_enable_cpu_pm(X86CPU *cpu) -{ - CPUX86State *env = &cpu->env; - - host_cpuid(5, 0, &cpu->mwait.eax, &cpu->mwait.ebx, - &cpu->mwait.ecx, &cpu->mwait.edx); - env->features[FEAT_1_ECX] |= CPUID_EXT_MONITOR; -} - -static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu) +static void host_cpu_adjust_phys_bits(X86CPU *cpu) { uint32_t host_phys_bits = host_cpu_phys_bits(); uint32_t phys_bits = cpu->phys_bits; @@ -75,7 +66,7 @@ static uint32_t host_cpu_adjust_phys_bits(X86CPU *cpu) } } - return phys_bits; + cpu->phys_bits = phys_bits; } bool host_cpu_realizefn(CPUState *cs, Error **errp) @@ -83,21 +74,8 @@ bool host_cpu_realizefn(CPUState *cs, Error **errp) X86CPU *cpu = X86_CPU(cs); CPUX86State *env = &cpu->env; - if (cpu->max_features && enable_cpu_pm) { - host_cpu_enable_cpu_pm(cpu); - } if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { - uint32_t phys_bits = host_cpu_adjust_phys_bits(cpu); - - if (phys_bits && - (phys_bits > TARGET_PHYS_ADDR_SPACE_BITS || - phys_bits < 32)) { - error_setg(errp, "phys-bits should be between 32 and %u " - " (but is %u)", - TARGET_PHYS_ADDR_SPACE_BITS, phys_bits); - return false; - } - cpu->phys_bits = phys_bits; + host_cpu_adjust_phys_bits(cpu); } return true; } @@ -131,9 +109,13 @@ void host_cpu_vendor_fms(char *vendor, int *family, int *model, int *stepping) { uint32_t eax, ebx, ecx, edx; - host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); + host_cpuid(0x0, 0, NULL, &ebx, &ecx, &edx); x86_cpu_vendor_words2str(vendor, ebx, edx, ecx); + if (!family && !model && !stepping) { + return; + } + host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); if (family) { *family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); @@ -151,11 +133,9 @@ void host_cpu_instance_init(X86CPU *cpu) X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu); if (xcc->model) { - uint32_t ebx = 0, ecx = 0, edx = 0; char vendor[CPUID_VENDOR_SZ + 1]; - host_cpuid(0, 0, NULL, &ebx, &ecx, &edx); - x86_cpu_vendor_words2str(vendor, ebx, edx, ecx); + host_cpu_vendor_fms(vendor, NULL, NULL, NULL); object_property_set_str(OBJECT(cpu), "vendor", vendor, &error_abort); } } @@ -181,7 +161,7 @@ void host_cpu_max_instance_init(X86CPU *cpu) &error_abort); } -static void host_cpu_class_init(ObjectClass *oc, void *data) +static void host_cpu_class_init(ObjectClass *oc, const void *data) { X86CPUClass *xcc = X86_CPU_CLASS(oc); |