162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci#ifndef __PERF_UTIL_HEADER_H 362306a36Sopenharmony_ci#define __PERF_UTIL_HEADER_H 462306a36Sopenharmony_ci 562306a36Sopenharmony_ci#include <linux/stringify.h> 662306a36Sopenharmony_ci 762306a36Sopenharmony_ci#define mfspr(rn) ({unsigned long rval; \ 862306a36Sopenharmony_ci asm volatile("mfspr %0," __stringify(rn) \ 962306a36Sopenharmony_ci : "=r" (rval)); rval; }) 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci#define SPRN_PVR 0x11F /* Processor Version Register */ 1262306a36Sopenharmony_ci#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ 1362306a36Sopenharmony_ci#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revision field */ 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#endif /* __PERF_UTIL_HEADER_H */ 16