18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci#ifndef __PERF_UTIL_HEADER_H 38c2ecf20Sopenharmony_ci#define __PERF_UTIL_HEADER_H 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <linux/stringify.h> 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#define mfspr(rn) ({unsigned long rval; \ 88c2ecf20Sopenharmony_ci asm volatile("mfspr %0," __stringify(rn) \ 98c2ecf20Sopenharmony_ci : "=r" (rval)); rval; }) 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#define SPRN_PVR 0x11F /* Processor Version Register */ 128c2ecf20Sopenharmony_ci#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF) /* Version field */ 138c2ecf20Sopenharmony_ci#define PVR_REV(pvr) (((pvr) >> 0) & 0xFFFF) /* Revison field */ 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#endif /* __PERF_UTIL_HEADER_H */ 16