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1 /***************************************************************************
2  *   Copyright (C) 2006 by Dominic Rath                                    *
3  *   Dominic.Rath@gmx.de                                                   *
4  *                                                                         *
5  *   This program is free software; you can redistribute it and/or modify  *
6  *   it under the terms of the GNU General Public License as published by  *
7  *   the Free Software Foundation; either version 2 of the License, or     *
8  *   (at your option) any later version.                                   *
9  *                                                                         *
10  *   This program is distributed in the hope that it will be useful,       *
11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
13  *   GNU General Public License for more details.                          *
14  *                                                                         *
15  *   You should have received a copy of the GNU General Public License     *
16  *   along with this program; if not, write to the                         *
17  *   Free Software Foundation, Inc.,                                       *
18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
19  ***************************************************************************/
20 #ifndef ARM_DISASSEMBLER_H
21 #define ARM_DISASSEMBLER_H
22
23 #include "types.h"
24
25 enum arm_instruction_type
26 {
27         ARM_UNKNOWN_INSTUCTION,
28         
29         /* Branch instructions */
30         ARM_B,
31         ARM_BL,
32         ARM_BX,
33         ARM_BLX,
34         
35         /* Data processing instructions */
36         ARM_AND,
37         ARM_EOR,
38         ARM_SUB,
39         ARM_RSB,
40         ARM_ADD,
41         ARM_ADC,
42         ARM_SBC,
43         ARM_RSC,
44         ARM_TST,
45         ARM_TEQ,
46         ARM_CMP,
47         ARM_CMN,
48         ARM_ORR,
49         ARM_MOV,
50         ARM_BIC,
51         ARM_MVN,
52         
53         /* Load/store instructions */
54         ARM_LDR,
55         ARM_LDRB,
56         ARM_LDRT,
57         ARM_LDRBT,
58         
59         ARM_LDRH,
60         ARM_LDRSB,
61         ARM_LDRSH,
62         
63         ARM_LDM,
64
65         ARM_STR,
66         ARM_STRB,
67         ARM_STRT,
68         ARM_STRBT,
69         
70         ARM_STRH,
71         
72         ARM_STM,
73         
74         /* Status register access instructions */
75         ARM_MRS,
76         ARM_MSR,
77         
78         /* Multiply instructions */
79         ARM_MUL,
80         ARM_MLA,
81         ARM_SMULL,
82         ARM_SMLAL,
83         ARM_UMULL,
84         ARM_UMLAL,
85         
86         /* Miscellaneous instructions */
87         ARM_CLZ,
88         
89         /* Exception generating instructions */
90         ARM_BKPT,
91         ARM_SWI,
92         
93         /* Coprocessor instructions */
94         ARM_CDP,
95         ARM_LDC,
96         ARM_STC,
97         ARM_MCR,
98         ARM_MRC,
99         
100         /* Semaphore instructions */
101         ARM_SWP,
102         ARM_SWPB,
103         
104         /* Enhanced DSP extensions */
105         ARM_MCRR,
106         ARM_MRRC,
107         ARM_PLD,
108         ARM_QADD,
109         ARM_QDADD,
110         ARM_QSUB,
111         ARM_QDSUB,
112         ARM_SMLAxy,
113         ARM_SMLALxy,
114         ARM_SMLAWy,
115         ARM_SMULxy,
116         ARM_SMULWy,
117         ARM_LDRD,
118         ARM_STRD,
119
120         ARM_UNDEFINED_INSTRUCTION = 0xffffffff,
121 };
122
123 typedef struct arm_instruction_s
124 {
125         enum arm_instruction_type type;
126         char text[128];
127         u32 opcode;
128         
129         /* target */
130         u32 target_address;
131         
132 } arm_instruction_t;
133
134 extern int evaluate_opcode(u32 opcode, u32 address, arm_instruction_t *instruction);
135
136 #define COND(opcode) (arm_condition_strings[(opcode & 0xf0000000)>>28])
137
138 #endif /* ARM_DISASSEMBLER_H */