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 <linux/atomic.h> 22 #include <linux/perf_event.h> 23 24 25 #ifdef CONFIG_PPC_EMULATED_STATS 26 27 struct ppc_emulated_entry { 28 const char *name; 29 atomic_t val; 30 }; 31 32 extern 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 #ifdef CONFIG_PPC64 56 struct ppc_emulated_entry mfdscr; 57 struct ppc_emulated_entry mtdscr; 58 #endif 59 } ppc_emulated; 60 61 extern u32 ppc_warn_emulated; 62 63 extern void ppc_warn_emulated_print(const char *type); 64 65 #define __PPC_WARN_EMULATED(type) \ 66 do { \ 67 atomic_inc(&ppc_emulated.type.val); \ 68 if (ppc_warn_emulated) \ 69 ppc_warn_emulated_print(ppc_emulated.type.name); \ 70 } while (0) 71 72 #else /* !CONFIG_PPC_EMULATED_STATS */ 73 74 #define __PPC_WARN_EMULATED(type) do { } while (0) 75 76 #endif /* !CONFIG_PPC_EMULATED_STATS */ 77 78 #define PPC_WARN_EMULATED(type, regs) \ 79 do { \ 80 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ 81 1, regs, 0); \ 82 __PPC_WARN_EMULATED(type); \ 83 } while (0) 84 85 #define PPC_WARN_ALIGNMENT(type, regs) \ 86 do { \ 87 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ 88 1, regs, regs->dar); \ 89 __PPC_WARN_EMULATED(type); \ 90 } while (0) 91 92 #endif /* _ASM_POWERPC_EMULATED_OPS_H */ 93