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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/csky/kernel/probes/simulate-insn.h
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/* SPDX-License-Identifier: GPL-2.0+ */

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#ifndef __CSKY_KERNEL_PROBES_SIMULATE_INSN_H

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#define __CSKY_KERNEL_PROBES_SIMULATE_INSN_H

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#define __CSKY_INSN_FUNCS(name, mask, val)				\

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static __always_inline bool csky_insn_is_##name(probe_opcode_t code)	\

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{									\

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	BUILD_BUG_ON(~(mask) & (val));					\

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	return (code & (mask)) == (val);				\

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}									\

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void simulate_##name(u32 opcode, long addr, struct pt_regs *regs);

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#define CSKY_INSN_SET_SIMULATE(name, code)				\

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	do {								\

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		if (csky_insn_is_##name(code)) {			\

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			api->handler = simulate_##name;			\

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			return INSN_GOOD_NO_SLOT;			\

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		}							\

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	} while (0)

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__CSKY_INSN_FUNCS(br16,		0xfc00, 0x0400)

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__CSKY_INSN_FUNCS(bt16,		0xfc00, 0x0800)

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__CSKY_INSN_FUNCS(bf16,		0xfc00, 0x0c00)

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__CSKY_INSN_FUNCS(jmp16,	0xffc3, 0x7800)

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__CSKY_INSN_FUNCS(jsr16,	0xffc3, 0x7801)

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__CSKY_INSN_FUNCS(lrw16,	0xfc00, 0x1000)

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__CSKY_INSN_FUNCS(pop16,	0xffe0, 0x1480)

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__CSKY_INSN_FUNCS(br32,		0x0000ffff, 0x0000e800)

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__CSKY_INSN_FUNCS(bt32,		0x0000ffff, 0x0000e860)

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__CSKY_INSN_FUNCS(bf32,		0x0000ffff, 0x0000e840)

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__CSKY_INSN_FUNCS(jmp32,	0xffffffe0, 0x0000e8c0)

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__CSKY_INSN_FUNCS(jsr32,	0xffffffe0, 0x0000e8e0)

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__CSKY_INSN_FUNCS(lrw32,	0x0000ffe0, 0x0000ea80)

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__CSKY_INSN_FUNCS(pop32,	0xfe00ffff, 0x0000ebc0)

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__CSKY_INSN_FUNCS(bez32,	0x0000ffe0, 0x0000e900)

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__CSKY_INSN_FUNCS(bnez32,	0x0000ffe0, 0x0000e920)

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__CSKY_INSN_FUNCS(bnezad32,	0x0000ffe0, 0x0000e820)

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__CSKY_INSN_FUNCS(bhsz32,	0x0000ffe0, 0x0000e9a0)

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__CSKY_INSN_FUNCS(bhz32,	0x0000ffe0, 0x0000e940)

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__CSKY_INSN_FUNCS(blsz32,	0x0000ffe0, 0x0000e960)

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__CSKY_INSN_FUNCS(blz32,	0x0000ffe0, 0x0000e980)

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__CSKY_INSN_FUNCS(bsr32,	0x0000fc00, 0x0000e000)

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__CSKY_INSN_FUNCS(jmpi32,	0x0000ffff, 0x0000eac0)

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__CSKY_INSN_FUNCS(jsri32,	0x0000ffff, 0x0000eae0)

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#endif /* __CSKY_KERNEL_PROBES_SIMULATE_INSN_H */

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