| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef __PERF_UTIL_HEADER_H |
| 3 | #define __PERF_UTIL_HEADER_H |
| 4 | |
| 5 | #include <linux/stringify.h> |
| 6 | |
| 7 | #define mfspr(rn) ({unsigned long rval; \ |
| 8 | asm volatile("mfspr %0," __stringify(rn) \ |
| 9 | : "=r" (rval)); rval; }) |
| 10 | |
| 11 | #define SPRN_PVR 0x11F /* Processor Version Register */ |
| 12 | #define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ |
| 13 | #define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revision field */ |
| 14 | |
| 15 | #endif /* __PERF_UTIL_HEADER_H */ |
| 16 |