1/* 2 * Copyright 2007 Sony Corporation 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; version 2 of the License. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 * You should have received a copy of the GNU General Public License 14 * along with this program. 15 * If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18#ifndef _ASM_POWERPC_EMULATED_OPS_H 19#define _ASM_POWERPC_EMULATED_OPS_H 20 21#include <asm/atomic.h> 22#include <linux/perf_event.h> 23 24 25#ifdef CONFIG_PPC_EMULATED_STATS 26 27struct ppc_emulated_entry { 28 const char *name; 29 atomic_t val; 30}; 31 32extern struct ppc_emulated { 33#ifdef CONFIG_ALTIVEC 34 struct ppc_emulated_entry altivec; 35#endif 36 struct ppc_emulated_entry dcba; 37 struct ppc_emulated_entry dcbz; 38 struct ppc_emulated_entry fp_pair; 39 struct ppc_emulated_entry isel; 40 struct ppc_emulated_entry mcrxr; 41 struct ppc_emulated_entry mfpvr; 42 struct ppc_emulated_entry multiple; 43 struct ppc_emulated_entry popcntb; 44 struct ppc_emulated_entry spe; 45 struct ppc_emulated_entry string; 46 struct ppc_emulated_entry unaligned; 47#ifdef CONFIG_MATH_EMULATION 48 struct ppc_emulated_entry math; 49#elif defined(CONFIG_8XX_MINIMAL_FPEMU) 50 struct ppc_emulated_entry 8xx; 51#endif 52#ifdef CONFIG_VSX 53 struct ppc_emulated_entry vsx; 54#endif 55} ppc_emulated; 56 57extern u32 ppc_warn_emulated; 58 59extern void ppc_warn_emulated_print(const char *type); 60 61#define __PPC_WARN_EMULATED(type) \ 62 do { \ 63 atomic_inc(&ppc_emulated.type.val); \ 64 if (ppc_warn_emulated) \ 65 ppc_warn_emulated_print(ppc_emulated.type.name); \ 66 } while (0) 67 68#else /* !CONFIG_PPC_EMULATED_STATS */ 69 70#define __PPC_WARN_EMULATED(type) do { } while (0) 71 72#endif /* !CONFIG_PPC_EMULATED_STATS */ 73 74#define PPC_WARN_EMULATED(type, regs) \ 75 do { \ 76 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ 77 1, 0, regs, 0); \ 78 __PPC_WARN_EMULATED(type); \ 79 } while (0) 80 81#define PPC_WARN_ALIGNMENT(type, regs) \ 82 do { \ 83 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ 84 1, 0, regs, regs->dar); \ 85 __PPC_WARN_EMULATED(type); \ 86 } while (0) 87 88#endif /* _ASM_POWERPC_EMULATED_OPS_H */ 89