/* SPDX-License-Identifier: GPL-2.0+ */

#ifndef __CSKY_KERNEL_PROBES_SIMULATE_INSN_H
#define __CSKY_KERNEL_PROBES_SIMULATE_INSN_H

#define __CSKY_INSN_FUNCS(name, mask, val)                              \
static __always_inline bool csky_insn_is_##name(probe_opcode_t code)    \
{                                                                       \
        BUILD_BUG_ON(~(mask) & (val));                                  \
        return (code & (mask)) == (val);                                \
}                                                                       \
void simulate_##name(u32 opcode, long addr, struct pt_regs *regs);

#define CSKY_INSN_SET_SIMULATE(name, code)                              \
        do {                                                            \
                if (csky_insn_is_##name(code)) {                        \
                        api->handler = simulate_##name;                 \
                        return INSN_GOOD_NO_SLOT;                       \
                }                                                       \
        } while (0)

__CSKY_INSN_FUNCS(br16,         0xfc00, 0x0400)
__CSKY_INSN_FUNCS(bt16,         0xfc00, 0x0800)
__CSKY_INSN_FUNCS(bf16,         0xfc00, 0x0c00)
__CSKY_INSN_FUNCS(jmp16,        0xffc3, 0x7800)
__CSKY_INSN_FUNCS(jsr16,        0xffc3, 0x7801)
__CSKY_INSN_FUNCS(lrw16,        0xfc00, 0x1000)
__CSKY_INSN_FUNCS(pop16,        0xffe0, 0x1480)

__CSKY_INSN_FUNCS(br32,         0x0000ffff, 0x0000e800)
__CSKY_INSN_FUNCS(bt32,         0x0000ffff, 0x0000e860)
__CSKY_INSN_FUNCS(bf32,         0x0000ffff, 0x0000e840)
__CSKY_INSN_FUNCS(jmp32,        0xffffffe0, 0x0000e8c0)
__CSKY_INSN_FUNCS(jsr32,        0xffffffe0, 0x0000e8e0)
__CSKY_INSN_FUNCS(lrw32,        0x0000ffe0, 0x0000ea80)
__CSKY_INSN_FUNCS(pop32,        0xfe00ffff, 0x0000ebc0)

__CSKY_INSN_FUNCS(bez32,        0x0000ffe0, 0x0000e900)
__CSKY_INSN_FUNCS(bnez32,       0x0000ffe0, 0x0000e920)
__CSKY_INSN_FUNCS(bnezad32,     0x0000ffe0, 0x0000e820)
__CSKY_INSN_FUNCS(bhsz32,       0x0000ffe0, 0x0000e9a0)
__CSKY_INSN_FUNCS(bhz32,        0x0000ffe0, 0x0000e940)
__CSKY_INSN_FUNCS(blsz32,       0x0000ffe0, 0x0000e960)
__CSKY_INSN_FUNCS(blz32,        0x0000ffe0, 0x0000e980)
__CSKY_INSN_FUNCS(bsr32,        0x0000fc00, 0x0000e000)
__CSKY_INSN_FUNCS(jmpi32,       0x0000ffff, 0x0000eac0)
__CSKY_INSN_FUNCS(jsri32,       0x0000ffff, 0x0000eae0)

#endif /* __CSKY_KERNEL_PROBES_SIMULATE_INSN_H */