1 /***************************************************************************
2  *   Copyright (C) 2008 by Spencer Oliver                                  *
3  *   spen@spen-soft.co.uk                                                  *
4  *                                                                         *
5  *   Copyright (C) 2008 by David T.L. Wong                                 *
6  *                                                                         *
7  *   Copyright (C) 2011 by Drasko DRASKOVIC                                *
8  *   drasko.draskovic@gmail.com                                            *
9  *                                                                         *
10  *   This program is free software; you can redistribute it and/or modify  *
11  *   it under the terms of the GNU General Public License as published by  *
12  *   the Free Software Foundation; either version 2 of the License, or     *
13  *   (at your option) any later version.                                   *
14  *                                                                         *
15  *   This program is distributed in the hope that it will be useful,       *
16  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
17  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
18  *   GNU General Public License for more details.                          *
19  *                                                                         *
20  *   You should have received a copy of the GNU General Public License     *
21  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
22  ***************************************************************************/
23 
24 #ifndef OPENOCD_TARGET_MIPS32_H
25 #define OPENOCD_TARGET_MIPS32_H
26 
27 #include "target.h"
28 #include "mips32_pracc.h"
29 
30 #define MIPS32_COMMON_MAGIC		0xB320B320
31 
32 /**
33  * Memory segments (32bit kernel mode addresses)
34  * These are the traditional names used in the 32-bit universe.
35  */
36 #define KUSEG			0x00000000
37 #define KSEG0			0x80000000
38 #define KSEG1			0xa0000000
39 #define KSEG2			0xc0000000
40 #define KSEG3			0xe0000000
41 
42 /** Returns the kernel segment base of a given address */
43 #define KSEGX(a)		((a) & 0xe0000000)
44 
45 /** CP0 CONFIG register fields */
46 #define MIPS32_CONFIG0_KU_SHIFT 25
47 #define MIPS32_CONFIG0_KU_MASK (0x7 << MIPS32_CONFIG0_KU_SHIFT)
48 
49 #define MIPS32_CONFIG0_K0_SHIFT 0
50 #define MIPS32_CONFIG0_K0_MASK (0x7 << MIPS32_CONFIG0_K0_SHIFT)
51 
52 #define MIPS32_CONFIG0_K23_SHIFT 28
53 #define MIPS32_CONFIG0_K23_MASK (0x7 << MIPS32_CONFIG0_K23_SHIFT)
54 
55 #define MIPS32_CONFIG0_AR_SHIFT 10
56 #define MIPS32_CONFIG0_AR_MASK (0x7 << MIPS32_CONFIG0_AR_SHIFT)
57 
58 #define MIPS32_CONFIG1_DL_SHIFT 10
59 #define MIPS32_CONFIG1_DL_MASK (0x7 << MIPS32_CONFIG1_DL_SHIFT)
60 
61 #define MIPS32_CONFIG3_ISA_SHIFT	14
62 #define MIPS32_CONFIG3_ISA_MASK		(3 << MIPS32_CONFIG3_ISA_SHIFT)
63 
64 #define MIPS32_ARCH_REL1 0x0
65 #define MIPS32_ARCH_REL2 0x1
66 
67 #define MIPS32_SCAN_DELAY_LEGACY_MODE 2000000
68 
69 /* offsets into mips32 core register cache */
70 enum {
71 	MIPS32_PC = 37,
72 	MIPS32_FIR = 71,
73 	MIPS32NUMCOREREGS
74 };
75 
76 enum mips32_isa_mode {
77 	MIPS32_ISA_MIPS32 = 0,
78 	MIPS32_ISA_MIPS16E = 1,
79 	MIPS32_ISA_MMIPS32 = 3,
80 };
81 
82 enum mips32_isa_imp {
83 	MIPS32_ONLY = 0,
84 	MMIPS32_ONLY = 1,
85 	MIPS32_MIPS16 = 2,
86 	MIPS32_MMIPS32 = 3,
87 };
88 
89 struct mips32_comparator {
90 	int used;
91 	uint32_t bp_value;
92 	uint32_t reg_address;
93 };
94 
95 struct mips32_common {
96 	uint32_t common_magic;
97 	void *arch_info;
98 	struct reg_cache *core_cache;
99 	struct mips_ejtag ejtag_info;
100 	uint32_t core_regs[MIPS32NUMCOREREGS];
101 	enum mips32_isa_mode isa_mode;
102 	enum mips32_isa_imp isa_imp;
103 
104 	/* working area for fastdata access */
105 	struct working_area *fast_data_area;
106 
107 	int bp_scanned;
108 	int num_inst_bpoints;
109 	int num_data_bpoints;
110 	int num_inst_bpoints_avail;
111 	int num_data_bpoints_avail;
112 	struct mips32_comparator *inst_break_list;
113 	struct mips32_comparator *data_break_list;
114 
115 	/* register cache to processor synchronization */
116 	int (*read_core_reg)(struct target *target, unsigned int num);
117 	int (*write_core_reg)(struct target *target, unsigned int num);
118 };
119 
120 static inline struct mips32_common *
target_to_mips32(struct target * target)121 target_to_mips32(struct target *target)
122 {
123 	return target->arch_info;
124 }
125 
126 struct mips32_core_reg {
127 	uint32_t num;
128 	struct target *target;
129 	struct mips32_common *mips32_common;
130 };
131 
132 struct mips32_algorithm {
133 	int common_magic;
134 	enum mips32_isa_mode isa_mode;
135 };
136 
137 #define MIPS32_OP_ADDU	0x21u
138 #define MIPS32_OP_ADDIU	0x09u
139 #define MIPS32_OP_ANDI	0x0Cu
140 #define MIPS32_OP_BEQ	0x04u
141 #define MIPS32_OP_BGTZ	0x07u
142 #define MIPS32_OP_BNE	0x05u
143 #define MIPS32_OP_ADDI	0x08u
144 #define MIPS32_OP_AND	0x24u
145 #define MIPS32_OP_CACHE	0x2Fu
146 #define MIPS32_OP_COP0	0x10u
147 #define MIPS32_OP_J	0x02u
148 #define MIPS32_OP_JR	0x08u
149 #define MIPS32_OP_LUI	0x0Fu
150 #define MIPS32_OP_LW	0x23u
151 #define MIPS32_OP_LB	0x20u
152 #define MIPS32_OP_LBU	0x24u
153 #define MIPS32_OP_LHU	0x25u
154 #define MIPS32_OP_MFHI	0x10u
155 #define MIPS32_OP_MTHI	0x11u
156 #define MIPS32_OP_MFLO	0x12u
157 #define MIPS32_OP_MTLO	0x13u
158 #define MIPS32_OP_RDHWR	0x3Bu
159 #define MIPS32_OP_SB	0x28u
160 #define MIPS32_OP_SH	0x29u
161 #define MIPS32_OP_SW	0x2Bu
162 #define MIPS32_OP_ORI	0x0Du
163 #define MIPS32_OP_XORI	0x0Eu
164 #define MIPS32_OP_XOR	0x26u
165 #define MIPS32_OP_SLTU	0x2Bu
166 #define MIPS32_OP_SRL	0x03u
167 #define MIPS32_OP_SYNCI	0x1Fu
168 #define MIPS32_OP_SLL	0x00u
169 #define MIPS32_OP_SLTI	0x0Au
170 #define MIPS32_OP_MOVN	0x0Bu
171 
172 #define MIPS32_OP_REGIMM	0x01u
173 #define MIPS32_OP_SDBBP	0x3Fu
174 #define MIPS32_OP_SPECIAL	0x00u
175 #define MIPS32_OP_SPECIAL2	0x07u
176 #define MIPS32_OP_SPECIAL3	0x1Fu
177 
178 #define MIPS32_COP0_MF	0x00u
179 #define MIPS32_COP0_MT	0x04u
180 
181 #define MIPS32_R_INST(opcode, rs, rt, rd, shamt, funct) \
182 	(((opcode) << 26) | ((rs) << 21) | ((rt) << 16) | ((rd) << 11) | ((shamt) << 6) | (funct))
183 #define MIPS32_I_INST(opcode, rs, rt, immd) \
184 	(((opcode) << 26) | ((rs) << 21) | ((rt) << 16) | (immd))
185 #define MIPS32_J_INST(opcode, addr)	(((opcode) << 26) | (addr))
186 
187 #define MIPS32_ISA_NOP				0
188 #define MIPS32_ISA_ADDI(tar, src, val)		MIPS32_I_INST(MIPS32_OP_ADDI, src, tar, val)
189 #define MIPS32_ISA_ADDIU(tar, src, val)		MIPS32_I_INST(MIPS32_OP_ADDIU, src, tar, val)
190 #define MIPS32_ISA_ADDU(dst, src, tar)		MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_ADDU)
191 #define MIPS32_ISA_AND(dst, src, tar)		MIPS32_R_INST(0, src, tar, dst, 0, MIPS32_OP_AND)
192 #define MIPS32_ISA_ANDI(tar, src, val)		MIPS32_I_INST(MIPS32_OP_ANDI, src, tar, val)
193 
194 #define MIPS32_ISA_B(off)			MIPS32_ISA_BEQ(0, 0, off)
195 #define MIPS32_ISA_BEQ(src, tar, off)		MIPS32_I_INST(MIPS32_OP_BEQ, src, tar, off)
196 #define MIPS32_ISA_BGTZ(reg, off)		MIPS32_I_INST(MIPS32_OP_BGTZ, reg, 0, off)
197 #define MIPS32_ISA_BNE(src, tar, off)		MIPS32_I_INST(MIPS32_OP_BNE, src, tar, off)
198 #define MIPS32_ISA_CACHE(op, off, base)		MIPS32_I_INST(MIPS32_OP_CACHE, base, op, off)
199 #define MIPS32_ISA_J(tar)			MIPS32_J_INST(MIPS32_OP_J, (0x0FFFFFFFu & (tar)) >> 2)
200 #define MIPS32_ISA_JR(reg)			MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_JR)
201 
202 #define MIPS32_ISA_LB(reg, off, base)		MIPS32_I_INST(MIPS32_OP_LB, base, reg, off)
203 #define MIPS32_ISA_LBU(reg, off, base)		MIPS32_I_INST(MIPS32_OP_LBU, base, reg, off)
204 #define MIPS32_ISA_LHU(reg, off, base)		MIPS32_I_INST(MIPS32_OP_LHU, base, reg, off)
205 #define MIPS32_ISA_LUI(reg, val)		MIPS32_I_INST(MIPS32_OP_LUI, 0, reg, val)
206 #define MIPS32_ISA_LW(reg, off, base)		MIPS32_I_INST(MIPS32_OP_LW, base, reg, off)
207 
208 #define MIPS32_ISA_MFC0(gpr, cpr, sel)		MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP0_MF, gpr, cpr, 0, sel)
209 #define MIPS32_ISA_MTC0(gpr, cpr, sel)		MIPS32_R_INST(MIPS32_OP_COP0, MIPS32_COP0_MT, gpr, cpr, 0, sel)
210 #define MIPS32_ISA_MFLO(reg)			MIPS32_R_INST(0, 0, 0, reg, 0, MIPS32_OP_MFLO)
211 #define MIPS32_ISA_MFHI(reg)			MIPS32_R_INST(0, 0, 0, reg, 0, MIPS32_OP_MFHI)
212 #define MIPS32_ISA_MTLO(reg)			MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_MTLO)
213 #define MIPS32_ISA_MTHI(reg)			MIPS32_R_INST(0, reg, 0, 0, 0, MIPS32_OP_MTHI)
214 
215 #define MIPS32_ISA_MOVN(dst, src, tar)		MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_MOVN)
216 #define MIPS32_ISA_ORI(tar, src, val)		MIPS32_I_INST(MIPS32_OP_ORI, src, tar, val)
217 #define MIPS32_ISA_RDHWR(tar, dst)		MIPS32_R_INST(MIPS32_OP_SPECIAL3, 0, tar, dst, 0, MIPS32_OP_RDHWR)
218 #define MIPS32_ISA_SB(reg, off, base)		MIPS32_I_INST(MIPS32_OP_SB, base, reg, off)
219 #define MIPS32_ISA_SH(reg, off, base)		MIPS32_I_INST(MIPS32_OP_SH, base, reg, off)
220 #define MIPS32_ISA_SW(reg, off, base)		MIPS32_I_INST(MIPS32_OP_SW, base, reg, off)
221 
222 #define MIPS32_ISA_SLL(dst, src, sa)		MIPS32_R_INST(MIPS32_OP_SPECIAL, 0, src, dst, sa, MIPS32_OP_SLL)
223 #define MIPS32_ISA_SLTI(tar, src, val)		MIPS32_I_INST(MIPS32_OP_SLTI, src, tar, val)
224 #define MIPS32_ISA_SLTU(dst, src, tar)		MIPS32_R_INST(MIPS32_OP_SPECIAL, src, tar, dst, 0, MIPS32_OP_SLTU)
225 #define MIPS32_ISA_SRL(reg, src, off)		MIPS32_R_INST(0, 0, src, reg, off, MIPS32_OP_SRL)
226 #define MIPS32_ISA_SYNC				0xFu
227 #define MIPS32_ISA_SYNCI(off, base)		MIPS32_I_INST(MIPS32_OP_REGIMM, base, MIPS32_OP_SYNCI, off)
228 
229 #define MIPS32_ISA_XOR(reg, val1, val2)		MIPS32_R_INST(0, val1, val2, reg, 0, MIPS32_OP_XOR)
230 #define MIPS32_ISA_XORI(tar, src, val)		MIPS32_I_INST(MIPS32_OP_XORI, src, tar, val)
231 
232 #define MIPS32_ISA_SYNCI_STEP		0x1	/* reg num od address step size to be used with synci instruction */
233 
234 /**
235  * Cache operations definitions
236  * Operation field is 5 bits long :
237  * 1) bits 1..0 hold cache type
238  * 2) bits 4..2 hold operation code
239  */
240 #define MIPS32_CACHE_D_HIT_WRITEBACK ((0x1 << 0) | (0x6 << 2))
241 #define MIPS32_CACHE_I_HIT_INVALIDATE ((0x0 << 0) | (0x4 << 2))
242 
243 /* ejtag specific instructions */
244 #define MIPS32_ISA_DRET				0x4200001Fu
245 /* MIPS32_ISA_J_INST(MIPS32_ISA_OP_SPECIAL2, MIPS32_ISA_OP_SDBBP) */
246 #define MIPS32_ISA_SDBBP			0x7000003Fu
247 #define MIPS16_ISA_SDBBP			0xE801u
248 
249 /*MICRO MIPS INSTRUCTIONS, see doc MD00582 */
250 #define POOL32A					0X00u
251 #define POOL32AXf				0x3Cu
252 #define POOL32B					0x08u
253 #define POOL32I					0x10u
254 #define MMIPS32_OP_ADDI			0x04u
255 #define MMIPS32_OP_ADDIU		0x0Cu
256 #define MMIPS32_OP_ADDU			0x150u
257 #define MMIPS32_OP_AND			0x250u
258 #define MMIPS32_OP_ANDI			0x34u
259 #define MMIPS32_OP_BEQ			0x25u
260 #define MMIPS32_OP_BGTZ			0x06u
261 #define MMIPS32_OP_BNE			0x2Du
262 #define MMIPS32_OP_CACHE		0x06u
263 #define MMIPS32_OP_J			0x35u
264 #define MMIPS32_OP_JALR			0x03Cu
265 #define MMIPS32_OP_LB			0x07u
266 #define MMIPS32_OP_LBU			0x05u
267 #define MMIPS32_OP_LHU			0x0Du
268 #define MMIPS32_OP_LUI			0x0Du
269 #define MMIPS32_OP_LW			0x3Fu
270 #define MMIPS32_OP_MFC0			0x03u
271 #define MMIPS32_OP_MTC0			0x0Bu
272 #define MMIPS32_OP_MFLO			0x075u
273 #define MMIPS32_OP_MFHI			0x035u
274 #define MMIPS32_OP_MTLO			0x0F5u
275 #define MMIPS32_OP_MTHI			0x0B5u
276 #define MMIPS32_OP_MOVN			0x018u
277 #define MMIPS32_OP_ORI			0x14u
278 #define MMIPS32_OP_RDHWR		0x1ACu
279 #define MMIPS32_OP_SB			0x06u
280 #define MMIPS32_OP_SH			0x0Eu
281 #define MMIPS32_OP_SW			0x3Eu
282 #define MMIPS32_OP_SLTU			0x390u
283 #define MMIPS32_OP_SLL			0x000u
284 #define MMIPS32_OP_SLTI			0x24u
285 #define MMIPS32_OP_SRL			0x040u
286 #define MMIPS32_OP_SYNCI		0x10u
287 #define MMIPS32_OP_XOR			0x310u
288 #define MMIPS32_OP_XORI			0x1Cu
289 
290 #define MMIPS32_ADDI(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_ADDI, tar, src, val)
291 #define MMIPS32_ADDIU(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_ADDIU, tar, src, val)
292 #define MMIPS32_ADDU(dst, src, tar)		MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_ADDU)
293 #define MMIPS32_AND(dst, src, tar)		MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_AND)
294 #define MMIPS32_ANDI(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_ANDI, tar, src, val)
295 
296 #define MMIPS32_B(off)				MMIPS32_BEQ(0, 0, off)
297 #define MMIPS32_BEQ(src, tar, off)		MIPS32_I_INST(MMIPS32_OP_BEQ, tar, src, off)
298 #define MMIPS32_BGTZ(reg, off)			MIPS32_I_INST(POOL32I, MMIPS32_OP_BGTZ, reg, off)
299 #define MMIPS32_BNE(src, tar, off)		MIPS32_I_INST(MMIPS32_OP_BNE, tar, src, off)
300 #define MMIPS32_CACHE(op, off, base)		MIPS32_R_INST(POOL32B, op, base, MMIPS32_OP_CACHE << 1, 0, off)
301 
302 #define MMIPS32_J(tar)				MIPS32_J_INST(MMIPS32_OP_J, ((0x07FFFFFFu & ((tar) >> 1))))
303 #define MMIPS32_JR(reg)				MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_JALR, POOL32AXf)
304 #define MMIPS32_LB(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_LB, reg, base, off)
305 #define MMIPS32_LBU(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_LBU, reg, base, off)
306 #define MMIPS32_LHU(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_LHU, reg, base, off)
307 #define MMIPS32_LUI(reg, val)			MIPS32_I_INST(POOL32I, MMIPS32_OP_LUI, reg, val)
308 #define MMIPS32_LW(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_LW, reg, base, off)
309 
310 #define MMIPS32_MFC0(gpr, cpr, sel)		MIPS32_R_INST(POOL32A, gpr, cpr, sel, MMIPS32_OP_MFC0, POOL32AXf)
311 #define MMIPS32_MFLO(reg)			MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MFLO, POOL32AXf)
312 #define MMIPS32_MFHI(reg)			MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MFHI, POOL32AXf)
313 #define MMIPS32_MTC0(gpr, cpr, sel)		MIPS32_R_INST(POOL32A, gpr, cpr, sel, MMIPS32_OP_MTC0, POOL32AXf)
314 #define MMIPS32_MTLO(reg)			MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MTLO, POOL32AXf)
315 #define MMIPS32_MTHI(reg)			MIPS32_R_INST(POOL32A, 0, reg, 0, MMIPS32_OP_MTHI, POOL32AXf)
316 
317 #define MMIPS32_MOVN(dst, src, tar)		MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_MOVN)
318 #define MMIPS32_NOP				0
319 #define MMIPS32_ORI(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_ORI, tar, src, val)
320 #define MMIPS32_RDHWR(tar, dst)			MIPS32_R_INST(POOL32A, dst, tar, 0, MMIPS32_OP_RDHWR, POOL32AXf)
321 #define MMIPS32_SB(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_SB, reg, base, off)
322 #define MMIPS32_SH(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_SH, reg, base, off)
323 #define MMIPS32_SW(reg, off, base)		MIPS32_I_INST(MMIPS32_OP_SW, reg, base, off)
324 
325 #define MMIPS32_SRL(reg, src, off)		MIPS32_R_INST(POOL32A, reg, src, off, 0, MMIPS32_OP_SRL)
326 #define MMIPS32_SLTU(dst, src, tar)		MIPS32_R_INST(POOL32A, tar, src, dst, 0, MMIPS32_OP_SLTU)
327 #define MMIPS32_SYNCI(off, base)		MIPS32_I_INST(POOL32I, MMIPS32_OP_SYNCI, base, off)
328 #define MMIPS32_SLL(dst, src, sa)		MIPS32_R_INST(POOL32A, dst, src, sa, 0, MMIPS32_OP_SLL)
329 #define MMIPS32_SLTI(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_SLTI, tar, src, val)
330 #define MMIPS32_SYNC				0x00001A7Cu /* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x1ADu, POOL32AXf) */
331 
332 #define MMIPS32_XOR(reg, val1, val2)		MIPS32_R_INST(POOL32A, val1, val2, reg, 0, MMIPS32_OP_XOR)
333 #define MMIPS32_XORI(tar, src, val)		MIPS32_I_INST(MMIPS32_OP_XORI, tar, src, val)
334 
335 #define MMIPS32_SYNCI_STEP	0x1u	/* reg num od address step size to be used with synci instruction */
336 
337 
338 /* ejtag specific instructions */
339 #define MMIPS32_DRET			0x0000E37Cu	/* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x38D, POOL32AXf) */
340 #define MMIPS32_SDBBP			0x0000DB7Cu	/* MIPS32_R_INST(POOL32A, 0, 0, 0, 0x1BD, POOL32AXf) */
341 #define MMIPS16_SDBBP			0x46C0u		/* POOL16C instr */
342 
343 /* instruction code with isa selection */
344 #define MIPS32_NOP				0	/* same for both isa's */
345 #define MIPS32_ADDI(isa, tar, src, val)		(isa ? MMIPS32_ADDI(tar, src, val) : MIPS32_ISA_ADDI(tar, src, val))
346 #define MIPS32_ADDIU(isa, tar, src, val)	(isa ? MMIPS32_ADDIU(tar, src, val) : MIPS32_ISA_ADDIU(tar, src, val))
347 #define MIPS32_ADDU(isa, dst, src, tar)		(isa ? MMIPS32_ADDU(dst, src, tar) : MIPS32_ISA_ADDU(dst, src, tar))
348 #define MIPS32_AND(isa, dst, src, tar)		(isa ? MMIPS32_AND(dst, src, tar) : MIPS32_ISA_AND(dst, src, tar))
349 #define MIPS32_ANDI(isa, tar, src, val)		(isa ? MMIPS32_ANDI(tar, src, val) : MIPS32_ISA_ANDI(tar, src, val))
350 
351 #define MIPS32_B(isa, off)			(isa ? MMIPS32_B(off) : MIPS32_ISA_B(off))
352 #define MIPS32_BEQ(isa, src, tar, off)		(isa ? MMIPS32_BEQ(src, tar, off) : MIPS32_ISA_BEQ(src, tar, off))
353 #define MIPS32_BGTZ(isa, reg, off)		(isa ? MMIPS32_BGTZ(reg, off) : MIPS32_ISA_BGTZ(reg, off))
354 #define MIPS32_BNE(isa, src, tar, off)		(isa ? MMIPS32_BNE(src, tar, off) : MIPS32_ISA_BNE(src, tar, off))
355 #define MIPS32_CACHE(isa, op, off, base)	(isa ? MMIPS32_CACHE(op, off, base) : MIPS32_ISA_CACHE(op, off, base))
356 
357 #define MIPS32_J(isa, tar)			(isa ? MMIPS32_J(tar) : MIPS32_ISA_J(tar))
358 #define MIPS32_JR(isa, reg)			(isa ? MMIPS32_JR(reg) : MIPS32_ISA_JR(reg))
359 #define MIPS32_LB(isa, reg, off, base)		(isa ? MMIPS32_LB(reg, off, base) : MIPS32_ISA_LB(reg, off, base))
360 #define MIPS32_LBU(isa, reg, off, base)		(isa ? MMIPS32_LBU(reg, off, base) : MIPS32_ISA_LBU(reg, off, base))
361 #define MIPS32_LHU(isa, reg, off, base)		(isa ? MMIPS32_LHU(reg, off, base) : MIPS32_ISA_LHU(reg, off, base))
362 #define MIPS32_LW(isa, reg, off, base)		(isa ? MMIPS32_LW(reg, off, base) : MIPS32_ISA_LW(reg, off, base))
363 #define MIPS32_LUI(isa, reg, val)		(isa ? MMIPS32_LUI(reg, val) : MIPS32_ISA_LUI(reg, val))
364 
365 #define MIPS32_MFC0(isa, gpr, cpr, sel)		(isa ? MMIPS32_MFC0(gpr, cpr, sel) : MIPS32_ISA_MFC0(gpr, cpr, sel))
366 #define MIPS32_MTC0(isa, gpr, cpr, sel)		(isa ? MMIPS32_MTC0(gpr, cpr, sel) : MIPS32_ISA_MTC0(gpr, cpr, sel))
367 #define MIPS32_MFLO(isa, reg)			(isa ? MMIPS32_MFLO(reg) : MIPS32_ISA_MFLO(reg))
368 #define MIPS32_MFHI(isa, reg)			(isa ? MMIPS32_MFHI(reg) : MIPS32_ISA_MFHI(reg))
369 #define MIPS32_MTLO(isa, reg)			(isa ? MMIPS32_MTLO(reg) : MIPS32_ISA_MTLO(reg))
370 #define MIPS32_MTHI(isa, reg)			(isa ? MMIPS32_MTHI(reg) : MIPS32_ISA_MTHI(reg))
371 
372 #define MIPS32_MOVN(isa, dst, src, tar)		(isa ? MMIPS32_MOVN(dst, src, tar) : MIPS32_ISA_MOVN(dst, src, tar))
373 #define MIPS32_ORI(isa, tar, src, val)		(isa ? MMIPS32_ORI(tar, src, val) : MIPS32_ISA_ORI(tar, src, val))
374 #define MIPS32_RDHWR(isa, tar, dst)		(isa ? MMIPS32_RDHWR(tar, dst) : MIPS32_ISA_RDHWR(tar, dst))
375 #define MIPS32_SB(isa, reg, off, base)		(isa ? MMIPS32_SB(reg, off, base) : MIPS32_ISA_SB(reg, off, base))
376 #define MIPS32_SH(isa, reg, off, base)		(isa ? MMIPS32_SH(reg, off, base) : MIPS32_ISA_SH(reg, off, base))
377 #define MIPS32_SW(isa, reg, off, base)		(isa ? MMIPS32_SW(reg, off, base) : MIPS32_ISA_SW(reg, off, base))
378 
379 #define MIPS32_SLL(isa, dst, src, sa)		(isa ? MMIPS32_SLL(dst, src, sa) : MIPS32_ISA_SLL(dst, src, sa))
380 #define MIPS32_SLTI(isa, tar, src, val)		(isa ? MMIPS32_SLTI(tar, src, val) : MIPS32_ISA_SLTI(tar, src, val))
381 #define MIPS32_SLTU(isa, dst, src, tar)		(isa ? MMIPS32_SLTU(dst, src, tar) : MIPS32_ISA_SLTU(dst, src, tar))
382 #define MIPS32_SRL(isa, reg, src, off)		(isa ? MMIPS32_SRL(reg, src, off) : MIPS32_ISA_SRL(reg, src, off))
383 
384 #define MIPS32_SYNCI(isa, off, base)		(isa ? MMIPS32_SYNCI(off, base) : MIPS32_ISA_SYNCI(off, base))
385 #define MIPS32_SYNC(isa)			(isa ? MMIPS32_SYNC : MIPS32_ISA_SYNC)
386 #define MIPS32_XOR(isa, reg, val1, val2)	(isa ? MMIPS32_XOR(reg, val1, val2) : MIPS32_ISA_XOR(reg, val1, val2))
387 #define MIPS32_XORI(isa, tar, src, val)		(isa ? MMIPS32_XORI(tar, src, val) : MIPS32_ISA_XORI(tar, src, val))
388 
389 #define MIPS32_SYNCI_STEP			0x1
390 
391 /* ejtag specific instructions */
392 #define MIPS32_DRET(isa)			(isa ? MMIPS32_DRET : MIPS32_ISA_DRET)
393 #define MIPS32_SDBBP(isa)			(isa ? MMIPS32_SDBBP : MIPS32_ISA_SDBBP)
394 
395 #define MIPS16_SDBBP(isa)			(isa ? MMIPS16_SDBBP : MIPS16_ISA_SDBBP)
396 
397 extern const struct command_registration mips32_command_handlers[];
398 
399 int mips32_arch_state(struct target *target);
400 
401 int mips32_init_arch_info(struct target *target,
402 		struct mips32_common *mips32, struct jtag_tap *tap);
403 
404 int mips32_restore_context(struct target *target);
405 int mips32_save_context(struct target *target);
406 
407 struct reg_cache *mips32_build_reg_cache(struct target *target);
408 
409 int mips32_run_algorithm(struct target *target,
410 		int num_mem_params, struct mem_param *mem_params,
411 		int num_reg_params, struct reg_param *reg_params,
412 		target_addr_t entry_point, target_addr_t exit_point,
413 		int timeout_ms, void *arch_info);
414 
415 int mips32_configure_break_unit(struct target *target);
416 
417 int mips32_enable_interrupts(struct target *target, int enable);
418 
419 int mips32_examine(struct target *target);
420 
421 int mips32_read_config_regs(struct target *target);
422 
423 int mips32_register_commands(struct command_context *cmd_ctx);
424 
425 int mips32_get_gdb_reg_list(struct target *target,
426 		struct reg **reg_list[], int *reg_list_size,
427 		enum target_register_class reg_class);
428 int mips32_checksum_memory(struct target *target, target_addr_t address,
429 		uint32_t count, uint32_t *checksum);
430 int mips32_blank_check_memory(struct target *target,
431 		struct target_memory_check_block *blocks, int num_blocks, uint8_t erased_value);
432 
433 #endif /* OPENOCD_TARGET_MIPS32_H */
434