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| 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 |
Warning: This file is not a C or C++ file. It does not have highlighting.