/* * Performance event support - hardware-specific disambiguation * * For now this is a compile-time decision, but eventually it should be * runtime. This would allow multiplatform perf event support for e300 (fsl * embedded perf counters) plus server/classic, and would accommodate * devices other than the core which provide their own performance counters. * * Copyright 2010 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ #ifdef CONFIG_PPC_PERF_CTRS #include #endif #ifdef CONFIG_FSL_EMB_PERF_EVENT #include #endif #ifdef CONFIG_PERF_EVENTS #include #include #define perf_arch_fetch_caller_regs(regs, __ip) \ do { \ (regs)->nip = __ip; \ (regs)->gpr[1] = *(unsigned long *)__get_SP(); \ asm volatile("mfmsr %0" : "=r" ((regs)->msr)); \ } while (0) #endif