/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright 2007 Sony Corporation
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*/
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#ifndef _ASM_POWERPC_EMULATED_OPS_H
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#define _ASM_POWERPC_EMULATED_OPS_H
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#include <linux/atomic.h>
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#include <linux/perf_event.h>
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#ifdef CONFIG_PPC_EMULATED_STATS
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struct ppc_emulated_entry {
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const char *name;
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atomic_t val;
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};
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extern struct ppc_emulated {
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#ifdef CONFIG_ALTIVEC
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struct ppc_emulated_entry altivec;
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#endif
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struct ppc_emulated_entry dcba;
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struct ppc_emulated_entry dcbz;
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struct ppc_emulated_entry fp_pair;
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struct ppc_emulated_entry isel;
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struct ppc_emulated_entry mcrxr;
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struct ppc_emulated_entry mfpvr;
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struct ppc_emulated_entry multiple;
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struct ppc_emulated_entry popcntb;
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struct ppc_emulated_entry spe;
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struct ppc_emulated_entry string;
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struct ppc_emulated_entry sync;
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struct ppc_emulated_entry unaligned;
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#ifdef CONFIG_MATH_EMULATION
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struct ppc_emulated_entry math;
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#endif
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#ifdef CONFIG_VSX
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struct ppc_emulated_entry vsx;
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#endif
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#ifdef CONFIG_PPC64
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struct ppc_emulated_entry mfdscr;
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struct ppc_emulated_entry mtdscr;
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struct ppc_emulated_entry lq_stq;
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struct ppc_emulated_entry lxvw4x;
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struct ppc_emulated_entry lxvh8x;
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struct ppc_emulated_entry lxvd2x;
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struct ppc_emulated_entry lxvb16x;
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#endif
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} ppc_emulated;
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extern u32 ppc_warn_emulated;
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extern void ppc_warn_emulated_print(const char *type);
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#define __PPC_WARN_EMULATED(type) \
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do { \
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atomic_inc(&ppc_emulated.type.val); \
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if (ppc_warn_emulated) \
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ppc_warn_emulated_print(ppc_emulated.type.name); \
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} while (0)
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#else /* !CONFIG_PPC_EMULATED_STATS */
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#define __PPC_WARN_EMULATED(type) do { } while (0)
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#endif /* !CONFIG_PPC_EMULATED_STATS */
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#define PPC_WARN_EMULATED(type, regs) \
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do { \
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perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, \
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1, regs, 0); \
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__PPC_WARN_EMULATED(type); \
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} while (0)
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#define PPC_WARN_ALIGNMENT(type, regs) \
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do { \
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perf_sw_event(PERF_COUNT_SW_ALIGNMENT_FAULTS, \
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1, regs, regs->dar); \
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__PPC_WARN_EMULATED(type); \
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} while (0)
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#endif /* _ASM_POWERPC_EMULATED_OPS_H */
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