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Diffstat (limited to 'tools/perf/arch/x86/util/header.c')
-rw-r--r--tools/perf/arch/x86/util/header.c27
1 files changed, 11 insertions, 16 deletions
diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index 578c8c568ffd..a51444a77a5f 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -9,18 +9,17 @@
#include "../../../util/debug.h"
#include "../../../util/header.h"
+#include "cpuid.h"
-static inline void
-cpuid(unsigned int op, unsigned int *a, unsigned int *b, unsigned int *c,
- unsigned int *d)
+void get_cpuid_0(char *vendor, unsigned int *lvl)
{
- __asm__ __volatile__ (".byte 0x53\n\tcpuid\n\t"
- "movl %%ebx, %%esi\n\t.byte 0x5b"
- : "=a" (*a),
- "=S" (*b),
- "=c" (*c),
- "=d" (*d)
- : "a" (op));
+ unsigned int b, c, d;
+
+ cpuid(0, 0, lvl, &b, &c, &d);
+ strncpy(&vendor[0], (char *)(&b), 4);
+ strncpy(&vendor[4], (char *)(&d), 4);
+ strncpy(&vendor[8], (char *)(&c), 4);
+ vendor[12] = '\0';
}
static int
@@ -31,14 +30,10 @@ __get_cpuid(char *buffer, size_t sz, const char *fmt)
int nb;
char vendor[16];
- cpuid(0, &lvl, &b, &c, &d);
- strncpy(&vendor[0], (char *)(&b), 4);
- strncpy(&vendor[4], (char *)(&d), 4);
- strncpy(&vendor[8], (char *)(&c), 4);
- vendor[12] = '\0';
+ get_cpuid_0(vendor, &lvl);
if (lvl >= 1) {
- cpuid(1, &a, &b, &c, &d);
+ cpuid(1, 0, &a, &b, &c, &d);
family = (a >> 8) & 0xf; /* bits 11 - 8 */
model = (a >> 4) & 0xf; /* Bits 7 - 4 */