diff options
Diffstat (limited to 'tools/perf/arch/powerpc/util/utils_header.h')
| -rw-r--r-- | tools/perf/arch/powerpc/util/utils_header.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/arch/powerpc/util/utils_header.h b/tools/perf/arch/powerpc/util/utils_header.h new file mode 100644 index 000000000000..2baeb1c1ae85 --- /dev/null +++ b/tools/perf/arch/powerpc/util/utils_header.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_UTIL_HEADER_H +#define __PERF_UTIL_HEADER_H + +#include <linux/stringify.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) /* Revision field */ + +#endif /* __PERF_UTIL_HEADER_H */ |