Release 4.10 tools/perf/arch/powerpc/util/header.c
#include <sys/types.h>
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <linux/stringify.h>
#include "header.h"
#include "util.h"
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval; })
#define SPRN_PVR 0x11F
/* Processor Version Register */
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF)
/* Version field */
#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF)
/* Revison field */
int
get_cpuid(char *buffer, size_t sz)
{
unsigned long pvr;
int nb;
pvr = mfspr(SPRN_PVR);
nb = scnprintf(buffer, sz, "%lu,%lu$", PVR_VER(pvr), PVR_REV(pvr));
/* look for end marker to ensure the entire data fit */
if (strchr(buffer, '$')) {
buffer[nb-1] = '\0';
return 0;
}
return -1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| stephane eranian | stephane eranian | 74 | 98.67% | 1 | 50.00% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 1 | 1.33% | 1 | 50.00% |
| Total | 75 | 100.00% | 2 | 100.00% |
char *
get_cpuid_str(void)
{
char *bufp;
if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
bufp = NULL;
return bufp;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sukadev bhattiprolu | sukadev bhattiprolu | 36 | 100.00% | 1 | 100.00% |
| Total | 36 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| stephane eranian | stephane eranian | 119 | 73.01% | 1 | 20.00% |
| sukadev bhattiprolu | sukadev bhattiprolu | 42 | 25.77% | 2 | 40.00% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 2 | 1.23% | 2 | 40.00% |
| Total | 163 | 100.00% | 5 | 100.00% |
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