1*2b72c9e3SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */ 280947e7cSGeert Uytterhoeven /* 380947e7cSGeert Uytterhoeven * Copyright 2007 Sony Corporation 480947e7cSGeert Uytterhoeven */ 580947e7cSGeert Uytterhoeven 680947e7cSGeert Uytterhoeven #ifndef _ASM_POWERPC_EMULATED_OPS_H 780947e7cSGeert Uytterhoeven #define _ASM_POWERPC_EMULATED_OPS_H 880947e7cSGeert Uytterhoeven 960063497SArun Sharma #include <linux/atomic.h> 10196f02bfSAnton Blanchard #include <linux/perf_event.h> 1180947e7cSGeert Uytterhoeven 1280947e7cSGeert Uytterhoeven 1380947e7cSGeert Uytterhoeven #ifdef CONFIG_PPC_EMULATED_STATS 1480947e7cSGeert Uytterhoeven 1580947e7cSGeert Uytterhoeven struct ppc_emulated_entry { 1680947e7cSGeert Uytterhoeven const char *name; 1780947e7cSGeert Uytterhoeven atomic_t val; 1880947e7cSGeert Uytterhoeven }; 1980947e7cSGeert Uytterhoeven 2080947e7cSGeert Uytterhoeven extern struct ppc_emulated { 2180947e7cSGeert Uytterhoeven #ifdef CONFIG_ALTIVEC 2280947e7cSGeert Uytterhoeven struct ppc_emulated_entry altivec; 2380947e7cSGeert Uytterhoeven #endif 2480947e7cSGeert Uytterhoeven struct ppc_emulated_entry dcba; 2580947e7cSGeert Uytterhoeven struct ppc_emulated_entry dcbz; 2680947e7cSGeert Uytterhoeven struct ppc_emulated_entry fp_pair; 2780947e7cSGeert Uytterhoeven struct ppc_emulated_entry isel; 2880947e7cSGeert Uytterhoeven struct ppc_emulated_entry mcrxr; 2980947e7cSGeert Uytterhoeven struct ppc_emulated_entry mfpvr; 3080947e7cSGeert Uytterhoeven struct ppc_emulated_entry multiple; 3180947e7cSGeert Uytterhoeven struct ppc_emulated_entry popcntb; 3280947e7cSGeert Uytterhoeven struct ppc_emulated_entry spe; 3380947e7cSGeert Uytterhoeven struct ppc_emulated_entry string; 34a3821b2aSScott Wood struct ppc_emulated_entry sync; 3580947e7cSGeert Uytterhoeven struct ppc_emulated_entry unaligned; 3680947e7cSGeert Uytterhoeven #ifdef CONFIG_MATH_EMULATION 3780947e7cSGeert Uytterhoeven struct ppc_emulated_entry math; 3880947e7cSGeert Uytterhoeven #endif 3980947e7cSGeert Uytterhoeven #ifdef CONFIG_VSX 4080947e7cSGeert Uytterhoeven struct ppc_emulated_entry vsx; 4180947e7cSGeert Uytterhoeven #endif 42efcac658SAlexey Kardashevskiy #ifdef CONFIG_PPC64 43efcac658SAlexey Kardashevskiy struct ppc_emulated_entry mfdscr; 44efcac658SAlexey Kardashevskiy struct ppc_emulated_entry mtdscr; 45f83319d7SAnton Blanchard struct ppc_emulated_entry lq_stq; 465080332cSMichael Neuling struct ppc_emulated_entry lxvw4x; 475080332cSMichael Neuling struct ppc_emulated_entry lxvh8x; 485080332cSMichael Neuling struct ppc_emulated_entry lxvd2x; 495080332cSMichael Neuling struct ppc_emulated_entry lxvb16x; 50efcac658SAlexey Kardashevskiy #endif 5180947e7cSGeert Uytterhoeven } ppc_emulated; 5280947e7cSGeert Uytterhoeven 5380947e7cSGeert Uytterhoeven extern u32 ppc_warn_emulated; 5480947e7cSGeert Uytterhoeven 5580947e7cSGeert Uytterhoeven extern void ppc_warn_emulated_print(const char *type); 5680947e7cSGeert Uytterhoeven 57eecff81dSAnton Blanchard #define __PPC_WARN_EMULATED(type) \ 5880947e7cSGeert Uytterhoeven do { \ 5980947e7cSGeert Uytterhoeven atomic_inc(&ppc_emulated.type.val); \ 6080947e7cSGeert Uytterhoeven if (ppc_warn_emulated) \ 6180947e7cSGeert Uytterhoeven ppc_warn_emulated_print(ppc_emulated.type.name); \ 6280947e7cSGeert Uytterhoeven } while (0) 6380947e7cSGeert Uytterhoeven 6480947e7cSGeert Uytterhoeven #else /* !CONFIG_PPC_EMULATED_STATS */ 6580947e7cSGeert Uytterhoeven 66eecff81dSAnton Blanchard #define __PPC_WARN_EMULATED(type) do { } while (0) 6780947e7cSGeert Uytterhoeven 6880947e7cSGeert Uytterhoeven #endif /* !CONFIG_PPC_EMULATED_STATS */ 6980947e7cSGeert Uytterhoeven 70196f02bfSAnton Blanchard #define PPC_WARN_EMULATED(type, regs) \ 71196f02bfSAnton Blanchard do { \ 72196f02bfSAnton Blanchard perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ 73a8b0ca17SPeter Zijlstra 1, regs, 0); \ 74196f02bfSAnton Blanchard __PPC_WARN_EMULATED(type); \ 75196f02bfSAnton Blanchard } while (0) 76196f02bfSAnton Blanchard 77196f02bfSAnton Blanchard #define PPC_WARN_ALIGNMENT(type, regs) \ 78196f02bfSAnton Blanchard do { \ 79196f02bfSAnton Blanchard perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ 80a8b0ca17SPeter Zijlstra 1, regs, regs->dar); \ 81196f02bfSAnton Blanchard __PPC_WARN_EMULATED(type); \ 82196f02bfSAnton Blanchard } while (0) 83eecff81dSAnton Blanchard 8480947e7cSGeert Uytterhoeven #endif /* _ASM_POWERPC_EMULATED_OPS_H */ 85