diff options
| -rw-r--r-- | target/i386/cpu.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 4f0c973446..ae508fa962 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -8280,9 +8280,15 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, break; case 0x80000000: *eax = env->cpuid_xlevel; - *ebx = env->cpuid_vendor1; - *edx = env->cpuid_vendor2; - *ecx = env->cpuid_vendor3; + + if (cpu->vendor_cpuid_only_v2 && + (IS_INTEL_CPU(env) || IS_ZHAOXIN_CPU(env))) { + *ebx = *ecx = *edx = 0; + } else { + *ebx = env->cpuid_vendor1; + *edx = env->cpuid_vendor2; + *ecx = env->cpuid_vendor3; + } break; case 0x80000001: *eax = env->cpuid_version; |