1/* 2 * Performance event support - hardware-specific disambiguation 3 * 4 * For now this is a compile-time decision, but eventually it should be 5 * runtime. This would allow multiplatform perf event support for e300 (fsl 6 * embedded perf counters) plus server/classic, and would accommodate 7 * devices other than the core which provide their own performance counters. 8 * 9 * Copyright 2010 Freescale Semiconductor, Inc. 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License 13 * as published by the Free Software Foundation; either version 14 * 2 of the License, or (at your option) any later version. 15 */ 16 17#ifdef CONFIG_PPC_PERF_CTRS 18#include <asm/perf_event_server.h> 19#endif 20 21#ifdef CONFIG_FSL_EMB_PERF_EVENT 22#include <asm/perf_event_fsl_emb.h> 23#endif 24 25#ifdef CONFIG_PERF_EVENTS 26#include <asm/ptrace.h> 27#include <asm/reg.h> 28 29#define perf_arch_fetch_caller_regs(regs, __ip) \ 30 do { \ 31 (regs)->nip = __ip; \ 32 (regs)->gpr[1] = *(unsigned long *)__get_SP(); \ 33 asm volatile("mfmsr %0" : "=r" ((regs)->msr)); \ 34 } while (0) 35#endif 36