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Diffstat (limited to '')
| -rw-r--r-- | arch/powerpc/include/asm/emulated_ops.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/emulated_ops.h b/arch/powerpc/include/asm/emulated_ops.h new file mode 100644 index 000000000..800cb2100 --- /dev/null +++ b/arch/powerpc/include/asm/emulated_ops.h @@ -0,0 +1,84 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright 2007 Sony Corporation + */ + +#ifndef _ASM_POWERPC_EMULATED_OPS_H +#define _ASM_POWERPC_EMULATED_OPS_H + +#include <linux/atomic.h> +#include <linux/perf_event.h> + + +#ifdef CONFIG_PPC_EMULATED_STATS + +struct ppc_emulated_entry { + const char *name; + atomic_t val; +}; + +extern struct ppc_emulated { +#ifdef CONFIG_ALTIVEC + struct ppc_emulated_entry altivec; +#endif + struct ppc_emulated_entry dcba; + struct ppc_emulated_entry dcbz; + struct ppc_emulated_entry fp_pair; + struct ppc_emulated_entry isel; + struct ppc_emulated_entry mcrxr; + struct ppc_emulated_entry mfpvr; + struct ppc_emulated_entry multiple; + struct ppc_emulated_entry popcntb; + struct ppc_emulated_entry spe; + struct ppc_emulated_entry string; + struct ppc_emulated_entry sync; + struct ppc_emulated_entry unaligned; +#ifdef CONFIG_MATH_EMULATION + struct ppc_emulated_entry math; +#endif +#ifdef CONFIG_VSX + struct ppc_emulated_entry vsx; +#endif +#ifdef CONFIG_PPC64 + struct ppc_emulated_entry mfdscr; + struct ppc_emulated_entry mtdscr; + struct ppc_emulated_entry lq_stq; + struct ppc_emulated_entry lxvw4x; + struct ppc_emulated_entry lxvh8x; + struct ppc_emulated_entry lxvd2x; + struct ppc_emulated_entry lxvb16x; +#endif +} ppc_emulated; + +extern u32 ppc_warn_emulated; + +extern void ppc_warn_emulated_print(const char *type); + +#define __PPC_WARN_EMULATED(type) \ + do { \ + atomic_inc(&ppc_emulated.type.val); \ + if (ppc_warn_emulated) \ + ppc_warn_emulated_print(ppc_emulated.type.name); \ + } while (0) + +#else /* !CONFIG_PPC_EMULATED_STATS */ + +#define __PPC_WARN_EMULATED(type) do { } while (0) + +#endif /* !CONFIG_PPC_EMULATED_STATS */ + +#define PPC_WARN_EMULATED(type, regs) \ + do { \ + perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \ + 1, regs, 0); \ + __PPC_WARN_EMULATED(type); \ + } while (0) + +#define PPC_WARN_ALIGNMENT(type, regs) \ + do { \ + perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \ + 1, regs, regs->dar); \ + __PPC_WARN_EMULATED(type); \ + } while (0) + +#endif /* _ASM_POWERPC_EMULATED_OPS_H */ |