1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * arch/arm/probes/decode-arm.h
4  *
5  * Copyright 2013 Linaro Ltd.
6  * Written by: David A. Long
7  */
8 
9 #ifndef _ARM_KERNEL_PROBES_ARM_H
10 #define  _ARM_KERNEL_PROBES_ARM_H
11 
12 #include "decode.h"
13 
14 enum probes_arm_action {
15 	PROBES_PRELOAD_IMM,
16 	PROBES_PRELOAD_REG,
17 	PROBES_BRANCH_IMM,
18 	PROBES_BRANCH_REG,
19 	PROBES_MRS,
20 	PROBES_CLZ,
21 	PROBES_SATURATING_ARITHMETIC,
22 	PROBES_MUL1,
23 	PROBES_MUL2,
24 	PROBES_SWP,
25 	PROBES_LDRSTRD,
26 	PROBES_LOAD,
27 	PROBES_STORE,
28 	PROBES_LOAD_EXTRA,
29 	PROBES_STORE_EXTRA,
30 	PROBES_MOV_IP_SP,
31 	PROBES_DATA_PROCESSING_REG,
32 	PROBES_DATA_PROCESSING_IMM,
33 	PROBES_MOV_HALFWORD,
34 	PROBES_SEV,
35 	PROBES_WFE,
36 	PROBES_SATURATE,
37 	PROBES_REV,
38 	PROBES_MMI,
39 	PROBES_PACK,
40 	PROBES_EXTEND,
41 	PROBES_EXTEND_ADD,
42 	PROBES_MUL_ADD_LONG,
43 	PROBES_MUL_ADD,
44 	PROBES_BITFIELD,
45 	PROBES_BRANCH,
46 	PROBES_LDMSTM,
47 	NUM_PROBES_ARM_ACTIONS
48 };
49 
50 void __kprobes simulate_bbl(probes_opcode_t opcode,
51 	struct arch_probes_insn *asi, struct pt_regs *regs);
52 void __kprobes simulate_blx1(probes_opcode_t opcode,
53 	struct arch_probes_insn *asi, struct pt_regs *regs);
54 void __kprobes simulate_blx2bx(probes_opcode_t opcode,
55 	struct arch_probes_insn *asi, struct pt_regs *regs);
56 void __kprobes simulate_mrs(probes_opcode_t opcode,
57 	struct arch_probes_insn *asi, struct pt_regs *regs);
58 void __kprobes simulate_mov_ipsp(probes_opcode_t opcode,
59 	struct arch_probes_insn *asi, struct pt_regs *regs);
60 
61 extern const union decode_item probes_decode_arm_table[];
62 
63 enum probes_insn arm_probes_decode_insn(probes_opcode_t,
64 		struct arch_probes_insn *, bool emulate,
65 		const union decode_action *actions,
66 		const struct decode_checker *checkers[]);
67 
68 #endif
69