diff options
Diffstat (limited to 'virt-what-cpuid-helper.c')
| -rw-r--r-- | virt-what-cpuid-helper.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/virt-what-cpuid-helper.c b/virt-what-cpuid-helper.c index 8b81be3..7812545 100644 --- a/virt-what-cpuid-helper.c +++ b/virt-what-cpuid-helper.c @@ -31,8 +31,8 @@ cpuid (unsigned int eax, char *sig) unsigned int *sig32 = (unsigned int *) sig; asm volatile ( - "xor %%ebx, %%ebx; cpuid" - : "=a" (eax), "=b" (sig32[0]), "=c" (sig32[1]), "=d" (sig32[2]) + "xchgl %%ebx,%1; xor %%ebx,%%ebx; cpuid; xchgl %%ebx,%1" + : "=a" (eax), "+r" (sig32[0]), "=c" (sig32[1]), "=d" (sig32[2]) : "0" (eax)); sig[12] = 0; |