29 lines
679 B
Diff
29 lines
679 B
Diff
|
Index: biosdevname-0.7.1/src/bios_dev_name.c
|
||
|
|
===================================================================
|
||
|
|
--- biosdevname-0.7.1.orig/src/bios_dev_name.c
|
||
|
|
+++ biosdevname-0.7.1/src/bios_dev_name.c
|
||
|
|
@@ -114,10 +114,21 @@ static u_int32_t
|
||
|
|
cpuid (u_int32_t eax, u_int32_t ecx)
|
||
|
|
{
|
||
|
|
asm volatile (
|
||
|
|
- "xor %%ebx, %%ebx; cpuid"
|
||
|
|
+#ifdef __x86_64__
|
||
|
|
+ "push %%rbx\n"
|
||
|
|
+#else
|
||
|
|
+ "push %%ebx\n"
|
||
|
|
+#endif
|
||
|
|
+ "xor %%ebx, %%ebx\n" /* not useful? ebx is overwritten by call? */
|
||
|
|
+ "cpuid\n"
|
||
|
|
+#ifdef __x86_64__
|
||
|
|
+ "pop %%rbx\n"
|
||
|
|
+#else
|
||
|
|
+ "pop %%ebx\n"
|
||
|
|
+#endif
|
||
|
|
: "=a" (eax), "=c" (ecx)
|
||
|
|
: "a" (eax)
|
||
|
|
- : "%ebx", "%edx");
|
||
|
|
+ : "%edx");
|
||
|
|
return ecx;
|
||
|
|
}
|
||
|
|
|