diff options
| -rw-r--r-- | target-i386/cpu.h | 1 | ||||
| -rw-r--r-- | target-i386/helper.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/target-i386/cpu.h b/target-i386/cpu.h index d7b32d4313..3cd391a01f 100644 --- a/target-i386/cpu.h +++ b/target-i386/cpu.h @@ -655,6 +655,7 @@ typedef struct CPUX86State { uint32_t cpuid_ext2_features; uint32_t cpuid_ext3_features; uint32_t cpuid_apic_id; + int cpuid_vendor_override; /* MTRRs */ uint64_t mtrr_fixed[11]; diff --git a/target-i386/helper.c b/target-i386/helper.c index 7fc5366e6d..b7b101ba40 100644 --- a/target-i386/helper.c +++ b/target-i386/helper.c @@ -116,6 +116,7 @@ typedef struct x86_def_t { uint32_t features, ext_features, ext2_features, ext3_features; uint32_t xlevel; char model_id[48]; + int vendor_override; } x86_def_t; #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE) @@ -376,6 +377,7 @@ static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *cpu_model) x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i); x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i); } + x86_cpu_def->vendor_override = 1; } else if (!strcmp(featurestr, "model_id")) { pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id), val); @@ -428,6 +430,7 @@ static int cpu_x86_register (CPUX86State *env, const char *cpu_model) env->cpuid_vendor2 = CPUID_VENDOR_INTEL_2; env->cpuid_vendor3 = CPUID_VENDOR_INTEL_3; } + env->cpuid_vendor_override = def->vendor_override; env->cpuid_level = def->level; if (def->family > 0x0f) env->cpuid_version = 0xf00 | ((def->family - 0x0f) << 20); @@ -1506,7 +1509,7 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, * isn't supported in compatibility mode on Intel. so advertise the * actuall cpu, and say goodbye to migration between different vendors * is you use compatibility mode. */ - if (kvm_enabled()) + if (kvm_enabled() && !env->cpuid_vendor_override) host_cpuid(0, 0, NULL, ebx, ecx, edx); break; case 1: |