diff options
| -rw-r--r-- | target-i386/cpu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/target-i386/cpu.c b/target-i386/cpu.c index 1837f5af04..3cd1cee540 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -1648,7 +1648,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, index = env->cpuid_xlevel; } } else { - index = env->cpuid_xlevel; + /* Intel documentation states that invalid EAX input will + * return the same information as EAX=cpuid_level + * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID) + */ + index = env->cpuid_level; } } } else { |