inteltool: fixed 64 bit build
The inline assembly for cpuid() was 32 bit specific. Additionally a
format string referencing a size_t argument wasn't using the %z length
modifier.
Change-Id: Iac4a4d5ca81f9bf67bb7b8772013bf6c289e4301
Signed-off-by: Mathias Krause <mathias.krause@secunet.com>
Reviewed-on: http://review.coreboot.org/211
Tested-by: build bot (Jenkins)
Reviewed-by: Marc Jones <marcj303@gmail.com>
diff --git a/util/inteltool/cpu.c b/util/inteltool/cpu.c
index 9037d5d..20748bd 100644
--- a/util/inteltool/cpu.c
+++ b/util/inteltool/cpu.c
@@ -26,6 +26,12 @@
#include "inteltool.h"
+#ifdef __x86_64__
+# define BREG "%%rbx"
+#else
+# define BREG "%%ebx"
+#endif
+
int fd_msr;
unsigned int cpuid(unsigned int op)
@@ -34,9 +40,9 @@
#if defined(__PIC__) || defined(__DARWIN__) && !defined(__LP64__)
asm volatile (
- "pushl %%ebx\n"
- "cpuid\n"
- "popl %%ebx\n"
+ "push " BREG "\n\t"
+ "cpuid\n\t"
+ "pop " BREG "\n\t"
: "=a" (ret) : "a" (op) : "%ecx", "%edx"
);
#else