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 sync; 47 struct ppc_emulated_entry unaligned; 48 #ifdef CONFIG_MATH_EMULATION 49 struct ppc_emulated_entry math; 50 #endif 51 #ifdef CONFIG_VSX 52 struct ppc_emulated_entry vsx; 53 #endif 54 #ifdef CONFIG_PPC64 55 struct ppc_emulated_entry mfdscr; 56 struct ppc_emulated_entry mtdscr; 57 struct ppc_emulated_entry lq_stq; 58 struct ppc_emulated_entry lxvw4x; 59 struct ppc_emulated_entry lxvh8x; 60 struct ppc_emulated_entry lxvd2x; 61 struct ppc_emulated_entry lxvb16x; 62 #endif 63 } ppc_emulated; 64 65 extern u32 ppc_warn_emulated; 66 67 extern void ppc_warn_emulated_print(const char *type); 68 69 #define __PPC_WARN_EMULATED(type) \ 70 do { \ 71 atomic_inc(&ppc_emulated.type.val); \ 72 if (ppc_warn_emulated) \ 73 ppc_warn_emulated_print(ppc_emulated.type.name); \ 74 } while (0) 75 76 #else /* !CONFIG_PPC_EMULATED_STATS */ 77 78 #define __PPC_WARN_EMULATED(type) do { } while (0) 79 80 #endif /* !CONFIG_PPC_EMULATED_STATS */ 81 82 #define PPC_WARN_EMULATED(type, regs) \ 83 do { \ 84 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ 85 1, regs, 0); \ 86 __PPC_WARN_EMULATED(type); \ 87 } while (0) 88 89 #define PPC_WARN_ALIGNMENT(type, regs) \ 90 do { \ 91 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ 92 1, regs, regs->dar); \ 93 __PPC_WARN_EMULATED(type); \ 94 } while (0) 95 96 #endif /* _ASM_POWERPC_EMULATED_OPS_H */ 97