1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright 2007 Sony Corporation 4 */ 5 6 #ifndef _ASM_POWERPC_EMULATED_OPS_H 7 #define _ASM_POWERPC_EMULATED_OPS_H 8 9 #include <linux/atomic.h> 10 #include <linux/perf_event.h> 11 12 13 #ifdef CONFIG_PPC_EMULATED_STATS 14 15 struct ppc_emulated_entry { 16 const char *name; 17 atomic_t val; 18 }; 19 20 extern struct ppc_emulated { 21 #ifdef CONFIG_ALTIVEC 22 struct ppc_emulated_entry altivec; 23 #endif 24 struct ppc_emulated_entry dcba; 25 struct ppc_emulated_entry dcbz; 26 struct ppc_emulated_entry fp_pair; 27 struct ppc_emulated_entry isel; 28 struct ppc_emulated_entry mcrxr; 29 struct ppc_emulated_entry mfpvr; 30 struct ppc_emulated_entry multiple; 31 struct ppc_emulated_entry popcntb; 32 struct ppc_emulated_entry spe; 33 struct ppc_emulated_entry string; 34 struct ppc_emulated_entry sync; 35 struct ppc_emulated_entry unaligned; 36 #ifdef CONFIG_MATH_EMULATION 37 struct ppc_emulated_entry math; 38 #endif 39 #ifdef CONFIG_VSX 40 struct ppc_emulated_entry vsx; 41 #endif 42 #ifdef CONFIG_PPC64 43 struct ppc_emulated_entry mfdscr; 44 struct ppc_emulated_entry mtdscr; 45 struct ppc_emulated_entry lq_stq; 46 struct ppc_emulated_entry lxvw4x; 47 struct ppc_emulated_entry lxvh8x; 48 struct ppc_emulated_entry lxvd2x; 49 struct ppc_emulated_entry lxvb16x; 50 #endif 51 } ppc_emulated; 52 53 extern u32 ppc_warn_emulated; 54 55 extern void ppc_warn_emulated_print(const char *type); 56 57 #define __PPC_WARN_EMULATED(type) \ 58 do { \ 59 atomic_inc(&ppc_emulated.type.val); \ 60 if (ppc_warn_emulated) \ 61 ppc_warn_emulated_print(ppc_emulated.type.name); \ 62 } while (0) 63 64 #else /* !CONFIG_PPC_EMULATED_STATS */ 65 66 #define __PPC_WARN_EMULATED(type) do { } while (0) 67 68 #endif /* !CONFIG_PPC_EMULATED_STATS */ 69 70 #define PPC_WARN_EMULATED(type, regs) \ 71 do { \ 72 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ 73 1, regs, 0); \ 74 __PPC_WARN_EMULATED(type); \ 75 } while (0) 76 77 #define PPC_WARN_ALIGNMENT(type, regs) \ 78 do { \ 79 perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ 80 1, regs, regs->dar); \ 81 __PPC_WARN_EMULATED(type); \ 82 } while (0) 83 84 #endif /* _ASM_POWERPC_EMULATED_OPS_H */ 85