utils_header.h

 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 */