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dsp563xx: Adding breakpoint/watchpoint support.
[openocd.git] / src / target / dsp563xx.c
blob1211ac562c35461ec46c29f89a5e844c345daa48
1 /***************************************************************************
2 * Copyright (C) 2009-2011 by Mathias Kuester *
3 * mkdorg@users.sourceforge.net *
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
19 ***************************************************************************/
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include <jim.h>
26
27 #include "target.h"
28 #include "breakpoints.h"
29 #include "target_type.h"
30 #include "algorithm.h"
31 #include "register.h"
32 #include "dsp563xx.h"
33 #include "dsp563xx_once.h"
34
35 #define ASM_REG_W_R0 0x60F400
36 #define ASM_REG_W_R1 0x61F400
37 #define ASM_REG_W_R2 0x62F400
38 #define ASM_REG_W_R3 0x63F400
39 #define ASM_REG_W_R4 0x64F400
40 #define ASM_REG_W_R5 0x65F400
41 #define ASM_REG_W_R6 0x66F400
42 #define ASM_REG_W_R7 0x67F400
43
44 #define ASM_REG_W_N0 0x70F400
45 #define ASM_REG_W_N1 0x71F400
46 #define ASM_REG_W_N2 0x72F400
47 #define ASM_REG_W_N3 0x73F400
48 #define ASM_REG_W_N4 0x74F400
49 #define ASM_REG_W_N5 0x75F400
50 #define ASM_REG_W_N6 0x76F400
51 #define ASM_REG_W_N7 0x77F400
52
53 #define ASM_REG_W_M0 0x05F420
54 #define ASM_REG_W_M1 0x05F421
55 #define ASM_REG_W_M2 0x05F422
56 #define ASM_REG_W_M3 0x05F423
57 #define ASM_REG_W_M4 0x05F424
58 #define ASM_REG_W_M5 0x05F425
59 #define ASM_REG_W_M6 0x05F426
60 #define ASM_REG_W_M7 0x05F427
61
62 #define ASM_REG_W_X0 0x44F400
63 #define ASM_REG_W_X1 0x45F400
64
65 #define ASM_REG_W_Y0 0x46F400
66 #define ASM_REG_W_Y1 0x47F400
67
68 #define ASM_REG_W_A0 0x50F400
69 #define ASM_REG_W_A1 0x54F400
70 #define ASM_REG_W_A2 0x52F400
71
72 #define ASM_REG_W_B0 0x51F400
73 #define ASM_REG_W_B1 0x55F400
74 #define ASM_REG_W_B2 0x53F400
75
76 #define ASM_REG_W_VBA 0x05F430
77 #define ASM_REG_W_OMR 0x05F43A
78 #define ASM_REG_W_EP 0x05F42A
79 #define ASM_REG_W_SC 0x05F431
80 #define ASM_REG_W_SZ 0x05F438
81 #define ASM_REG_W_SR 0x05F439
82 #define ASM_REG_W_SP 0x05F43B
83 #define ASM_REG_W_SSH 0x05F43C
84 #define ASM_REG_W_SSL 0x05F43D
85 #define ASM_REG_W_LA 0x05F43E
86 #define ASM_REG_W_LC 0x05F43F
87 #define ASM_REG_W_PC 0x000000
88 #define ASM_REG_W_IPRC 0xFFFFFF
89 #define ASM_REG_W_IPRP 0xFFFFFE
90
91 #define ASM_REG_W_BCR 0xFFFFFB
92 #define ASM_REG_W_DCR 0xFFFFFA
93 #define ASM_REG_W_AAR0 0xFFFFF9
94 #define ASM_REG_W_AAR1 0xFFFFF8
95 #define ASM_REG_W_AAR2 0xFFFFF7
96 #define ASM_REG_W_AAR3 0xFFFFF6
97
98 /*
99 * OBCR Register bit definitions
100 */
101 #define OBCR_b0_and_b1 ((0x0) << 10)
102 #define OBCR_b0_or_b1 ((0x1) << 10)
103 #define OBCR_b1_after_b0 ((0x2) << 10)
104 #define OBCR_b0_after_b1 ((0x3) << 10)
105
106 #define OBCR_BP_DISABLED (0x0)
107 #define OBCR_BP_MEM_P (0x1)
108 #define OBCR_BP_MEM_X (0x2)
109 #define OBCR_BP_MEM_Y (0x3)
110 #define OBCR_BP_ON_READ ((0x2) << 0)
111 #define OBCR_BP_ON_WRITE ((0x1) << 0)
112 #define OBCR_BP_CC_NOT_EQUAL ((0x0) << 2)
113 #define OBCR_BP_CC_EQUAL ((0x1) << 2)
114 #define OBCR_BP_CC_LESS_THAN ((0x2) << 2)
115 #define OBCR_BP_CC_GREATER_THAN ((0x3) << 2)
116
117 #define OBCR_BP_0(x) ((x)<<2)
118 #define OBCR_BP_1(x) ((x)<<6)
119
120
121 enum once_reg_idx {
122 ONCE_REG_IDX_OSCR = 0,
123 ONCE_REG_IDX_OMBC = 1,
124 ONCE_REG_IDX_OBCR = 2,
125 ONCE_REG_IDX_OMLR0 = 3,
126 ONCE_REG_IDX_OMLR1 = 4,
127 ONCE_REG_IDX_OGDBR = 5,
128 ONCE_REG_IDX_OPDBR = 6,
129 ONCE_REG_IDX_OPILR = 7,
130 ONCE_REG_IDX_PDB = 8,
131 ONCE_REG_IDX_OTC = 9,
132 ONCE_REG_IDX_OPABFR = 10,
133 ONCE_REG_IDX_OPABDR = 11,
134 ONCE_REG_IDX_OPABEX = 12,
135 ONCE_REG_IDX_OPABF0 = 13,
136 ONCE_REG_IDX_OPABF1 = 14,
137 ONCE_REG_IDX_OPABF2 = 15,
138 ONCE_REG_IDX_OPABF3 = 16,
139 ONCE_REG_IDX_OPABF4 = 17,
140 ONCE_REG_IDX_OPABF5 = 18,
141 ONCE_REG_IDX_OPABF6 = 19,
142 ONCE_REG_IDX_OPABF7 = 20,
143 ONCE_REG_IDX_OPABF8 = 21,
144 ONCE_REG_IDX_OPABF9 = 22,
145 ONCE_REG_IDX_OPABF10 = 23,
146 ONCE_REG_IDX_OPABF11 = 24,
147 };
148
149 static struct once_reg once_regs[] = {
150 {ONCE_REG_IDX_OSCR, DSP563XX_ONCE_OSCR, 24, "OSCR", 0},
151 {ONCE_REG_IDX_OMBC, DSP563XX_ONCE_OMBC, 24, "OMBC", 0},
152 {ONCE_REG_IDX_OBCR, DSP563XX_ONCE_OBCR, 24, "OBCR", 0},
153 {ONCE_REG_IDX_OMLR0, DSP563XX_ONCE_OMLR0, 24, "OMLR0", 0},
154 {ONCE_REG_IDX_OMLR1, DSP563XX_ONCE_OMLR1, 24, "OMLR1", 0},
155 {ONCE_REG_IDX_OGDBR, DSP563XX_ONCE_OGDBR, 24, "OGDBR", 0},
156 {ONCE_REG_IDX_OPDBR, DSP563XX_ONCE_OPDBR, 24, "OPDBR", 0},
157 {ONCE_REG_IDX_OPILR, DSP563XX_ONCE_OPILR, 24, "OPILR", 0},
158 {ONCE_REG_IDX_PDB, DSP563XX_ONCE_PDBGOTO, 24, "PDB", 0},
159 {ONCE_REG_IDX_OTC, DSP563XX_ONCE_OTC, 24, "OTC", 0},
160 {ONCE_REG_IDX_OPABFR, DSP563XX_ONCE_OPABFR, 24, "OPABFR", 0},
161 {ONCE_REG_IDX_OPABDR, DSP563XX_ONCE_OPABDR, 24, "OPABDR", 0},
162 {ONCE_REG_IDX_OPABEX, DSP563XX_ONCE_OPABEX, 24, "OPABEX", 0},
163 {ONCE_REG_IDX_OPABF0, DSP563XX_ONCE_OPABF11, 25, "OPABF0", 0},
164 {ONCE_REG_IDX_OPABF1, DSP563XX_ONCE_OPABF11, 25, "OPABF1", 0},
165 {ONCE_REG_IDX_OPABF2, DSP563XX_ONCE_OPABF11, 25, "OPABF2", 0},
166 {ONCE_REG_IDX_OPABF3, DSP563XX_ONCE_OPABF11, 25, "OPABF3", 0},
167 {ONCE_REG_IDX_OPABF4, DSP563XX_ONCE_OPABF11, 25, "OPABF4", 0},
168 {ONCE_REG_IDX_OPABF5, DSP563XX_ONCE_OPABF11, 25, "OPABF5", 0},
169 {ONCE_REG_IDX_OPABF6, DSP563XX_ONCE_OPABF11, 25, "OPABF6", 0},
170 {ONCE_REG_IDX_OPABF7, DSP563XX_ONCE_OPABF11, 25, "OPABF7", 0},
171 {ONCE_REG_IDX_OPABF8, DSP563XX_ONCE_OPABF11, 25, "OPABF8", 0},
172 {ONCE_REG_IDX_OPABF9, DSP563XX_ONCE_OPABF11, 25, "OPABF9", 0},
173 {ONCE_REG_IDX_OPABF10, DSP563XX_ONCE_OPABF11, 25, "OPABF10", 0},
174 {ONCE_REG_IDX_OPABF11, DSP563XX_ONCE_OPABF11, 25, "OPABF11", 0},
175 /* {25,0x1f,24,"NRSEL",0}, */
176 };
177
178 enum dsp563xx_reg_idx {
179 DSP563XX_REG_IDX_R0 = 0,
180 DSP563XX_REG_IDX_R1 = 1,
181 DSP563XX_REG_IDX_R2 = 2,
182 DSP563XX_REG_IDX_R3 = 3,
183 DSP563XX_REG_IDX_R4 = 4,
184 DSP563XX_REG_IDX_R5 = 5,
185 DSP563XX_REG_IDX_R6 = 6,
186 DSP563XX_REG_IDX_R7 = 7,
187 DSP563XX_REG_IDX_N0 = 8,
188 DSP563XX_REG_IDX_N1 = 9,
189 DSP563XX_REG_IDX_N2 = 10,
190 DSP563XX_REG_IDX_N3 = 11,
191 DSP563XX_REG_IDX_N4 = 12,
192 DSP563XX_REG_IDX_N5 = 13,
193 DSP563XX_REG_IDX_N6 = 14,
194 DSP563XX_REG_IDX_N7 = 15,
195 DSP563XX_REG_IDX_M0 = 16,
196 DSP563XX_REG_IDX_M1 = 17,
197 DSP563XX_REG_IDX_M2 = 18,
198 DSP563XX_REG_IDX_M3 = 19,
199 DSP563XX_REG_IDX_M4 = 20,
200 DSP563XX_REG_IDX_M5 = 21,
201 DSP563XX_REG_IDX_M6 = 22,
202 DSP563XX_REG_IDX_M7 = 23,
203 DSP563XX_REG_IDX_X0 = 24,
204 DSP563XX_REG_IDX_X1 = 25,
205 DSP563XX_REG_IDX_Y0 = 26,
206 DSP563XX_REG_IDX_Y1 = 27,
207 DSP563XX_REG_IDX_A0 = 28,
208 DSP563XX_REG_IDX_A1 = 29,
209 DSP563XX_REG_IDX_A2 = 30,
210 DSP563XX_REG_IDX_B0 = 31,
211 DSP563XX_REG_IDX_B1 = 32,
212 DSP563XX_REG_IDX_B2 = 33,
213 DSP563XX_REG_IDX_SSH = 34,
214 DSP563XX_REG_IDX_SSL = 35,
215 DSP563XX_REG_IDX_SP = 36,
216 DSP563XX_REG_IDX_EP = 37,
217 DSP563XX_REG_IDX_SZ = 38,
218 DSP563XX_REG_IDX_SC = 39,
219 DSP563XX_REG_IDX_PC = 40,
220 DSP563XX_REG_IDX_SR = 41,
221 DSP563XX_REG_IDX_OMR = 42,
222 DSP563XX_REG_IDX_LA = 43,
223 DSP563XX_REG_IDX_LC = 44,
224 DSP563XX_REG_IDX_VBA = 45,
225 DSP563XX_REG_IDX_IPRC = 46,
226 DSP563XX_REG_IDX_IPRP = 47,
227 DSP563XX_REG_IDX_BCR = 48,
228 DSP563XX_REG_IDX_DCR = 49,
229 DSP563XX_REG_IDX_AAR0 = 50,
230 DSP563XX_REG_IDX_AAR1 = 51,
231 DSP563XX_REG_IDX_AAR2 = 52,
232 DSP563XX_REG_IDX_AAR3 = 53,
233 };
234
235 static const struct {
236 unsigned id;
237 const char *name;
238 unsigned bits;
239 /* effective addressing mode encoding */
240 uint8_t eame;
241 uint32_t instr_mask;
242 } dsp563xx_regs[] = {
243 /* *INDENT-OFF* */
244 /* address registers */
245 {DSP563XX_REG_IDX_R0, "r0", 24, 0x10, ASM_REG_W_R0},
246 {DSP563XX_REG_IDX_R1, "r1", 24, 0x11, ASM_REG_W_R1},
247 {DSP563XX_REG_IDX_R2, "r2", 24, 0x12, ASM_REG_W_R2},
248 {DSP563XX_REG_IDX_R3, "r3", 24, 0x13, ASM_REG_W_R3},
249 {DSP563XX_REG_IDX_R4, "r4", 24, 0x14, ASM_REG_W_R4},
250 {DSP563XX_REG_IDX_R5, "r5", 24, 0x15, ASM_REG_W_R5},
251 {DSP563XX_REG_IDX_R6, "r6", 24, 0x16, ASM_REG_W_R6},
252 {DSP563XX_REG_IDX_R7, "r7", 24, 0x17, ASM_REG_W_R7},
253 /* offset registers */
254 {DSP563XX_REG_IDX_N0, "n0", 24, 0x18, ASM_REG_W_N0},
255 {DSP563XX_REG_IDX_N1, "n1", 24, 0x19, ASM_REG_W_N1},
256 {DSP563XX_REG_IDX_N2, "n2", 24, 0x1a, ASM_REG_W_N2},
257 {DSP563XX_REG_IDX_N3, "n3", 24, 0x1b, ASM_REG_W_N3},
258 {DSP563XX_REG_IDX_N4, "n4", 24, 0x1c, ASM_REG_W_N4},
259 {DSP563XX_REG_IDX_N5, "n5", 24, 0x1d, ASM_REG_W_N5},
260 {DSP563XX_REG_IDX_N6, "n6", 24, 0x1e, ASM_REG_W_N6},
261 {DSP563XX_REG_IDX_N7, "n7", 24, 0x1f, ASM_REG_W_N7},
262 /* modifier registers */
263 {DSP563XX_REG_IDX_M0, "m0", 24, 0x20, ASM_REG_W_M0},
264 {DSP563XX_REG_IDX_M1, "m1", 24, 0x21, ASM_REG_W_M1},
265 {DSP563XX_REG_IDX_M2, "m2", 24, 0x22, ASM_REG_W_M2},
266 {DSP563XX_REG_IDX_M3, "m3", 24, 0x23, ASM_REG_W_M3},
267 {DSP563XX_REG_IDX_M4, "m4", 24, 0x24, ASM_REG_W_M4},
268 {DSP563XX_REG_IDX_M5, "m5", 24, 0x25, ASM_REG_W_M5},
269 {DSP563XX_REG_IDX_M6, "m6", 24, 0x26, ASM_REG_W_M6},
270 {DSP563XX_REG_IDX_M7, "m7", 24, 0x27, ASM_REG_W_M7},
271 /* data alu input register */
272 {DSP563XX_REG_IDX_X0, "x0", 24, 0x04, ASM_REG_W_X0},
273 {DSP563XX_REG_IDX_X1, "x1", 24, 0x05, ASM_REG_W_X1},
274 {DSP563XX_REG_IDX_Y0, "y0", 24, 0x06, ASM_REG_W_Y0},
275 {DSP563XX_REG_IDX_Y1, "y1", 24, 0x07, ASM_REG_W_Y1},
276 /* data alu accumulator register */
277 {DSP563XX_REG_IDX_A0, "a0", 24, 0x08, ASM_REG_W_A0},
278 {DSP563XX_REG_IDX_A1, "a1", 24, 0x0c, ASM_REG_W_A1},
279 {DSP563XX_REG_IDX_A2, "a2", 8, 0x0a, ASM_REG_W_A2},
280 {DSP563XX_REG_IDX_B0, "b0", 24, 0x09, ASM_REG_W_B0},
281 {DSP563XX_REG_IDX_B1, "b1", 24, 0x0d, ASM_REG_W_B1},
282 {DSP563XX_REG_IDX_B2, "b2", 8, 0x0b, ASM_REG_W_B2},
283 /* stack */
284 {DSP563XX_REG_IDX_SSH, "ssh", 24, 0x3c, ASM_REG_W_SSH},
285 {DSP563XX_REG_IDX_SSL, "ssl", 24, 0x3d, ASM_REG_W_SSL},
286 {DSP563XX_REG_IDX_SP, "sp", 24, 0x3b, ASM_REG_W_SP},
287 {DSP563XX_REG_IDX_EP, "ep", 24, 0x2a, ASM_REG_W_EP},
288 {DSP563XX_REG_IDX_SZ, "sz", 24, 0x38, ASM_REG_W_SZ},
289 {DSP563XX_REG_IDX_SC, "sc", 24, 0x31, ASM_REG_W_SC},
290 /* system */
291 {DSP563XX_REG_IDX_PC, "pc", 24, 0x00, ASM_REG_W_PC},
292 {DSP563XX_REG_IDX_SR, "sr", 24, 0x39, ASM_REG_W_SR},
293 {DSP563XX_REG_IDX_OMR, "omr", 24, 0x3a, ASM_REG_W_OMR},
294 {DSP563XX_REG_IDX_LA, "la", 24, 0x3e, ASM_REG_W_LA},
295 {DSP563XX_REG_IDX_LC, "lc", 24, 0x3f, ASM_REG_W_LC},
296 /* interrupt */
297 {DSP563XX_REG_IDX_VBA, "vba", 24, 0x30, ASM_REG_W_VBA},
298 {DSP563XX_REG_IDX_IPRC, "iprc", 24, 0x00, ASM_REG_W_IPRC},
299 {DSP563XX_REG_IDX_IPRP, "iprp", 24, 0x00, ASM_REG_W_IPRP},
300 /* port a */
301 {DSP563XX_REG_IDX_BCR, "bcr", 24, 0x00, ASM_REG_W_BCR},
302 {DSP563XX_REG_IDX_DCR, "dcr", 24, 0x00, ASM_REG_W_DCR},
303 {DSP563XX_REG_IDX_AAR0, "aar0", 24, 0x00, ASM_REG_W_AAR0},
304 {DSP563XX_REG_IDX_AAR1, "aar1", 24, 0x00, ASM_REG_W_AAR1},
305 {DSP563XX_REG_IDX_AAR2, "aar2", 24, 0x00, ASM_REG_W_AAR2},
306 {DSP563XX_REG_IDX_AAR3, "aar3", 24, 0x00, ASM_REG_W_AAR3},
307 /* *INDENT-ON* */
308 };
309
310 enum memory_type {
311 MEM_X = 0,
312 MEM_Y = 1,
313 MEM_P = 2,
314 MEM_L = 3,
315 };
316
317 enum watchpoint_condition {
318 EQUAL,
319 NOT_EQUAL,
320 GREATER,
321 LESS_THAN
322 };
323
324 #define INSTR_JUMP 0x0AF080
325 /* Effective Addressing Mode Encoding */
326 #define EAME_R0 0x10
327 /* instrcution encoder */
328 /* movep
329 * s - peripheral space X/Y (X=0,Y=1)
330 * w - write/read
331 * d - source/destination register
332 * p - IO short address
333 */
334 #define INSTR_MOVEP_REG_HIO(s, w, d, p) (0x084000 | \
335 ((s & 1) << 16) | ((w & 1) << 15) | ((d & 0x3f) << 8) | (p & 0x3f))
336
337 /* the gdb register list is send in this order */
338 static uint8_t gdb_reg_list_idx[] = {
339 DSP563XX_REG_IDX_X1, DSP563XX_REG_IDX_X0, DSP563XX_REG_IDX_Y1, DSP563XX_REG_IDX_Y0,
340 DSP563XX_REG_IDX_A2, DSP563XX_REG_IDX_A1, DSP563XX_REG_IDX_A0, DSP563XX_REG_IDX_B2,
341 DSP563XX_REG_IDX_B1, DSP563XX_REG_IDX_B0, DSP563XX_REG_IDX_PC, DSP563XX_REG_IDX_SR,
342 DSP563XX_REG_IDX_OMR, DSP563XX_REG_IDX_LA, DSP563XX_REG_IDX_LC, DSP563XX_REG_IDX_SSH,
343 DSP563XX_REG_IDX_SSL, DSP563XX_REG_IDX_SP, DSP563XX_REG_IDX_EP, DSP563XX_REG_IDX_SZ,
344 DSP563XX_REG_IDX_SC, DSP563XX_REG_IDX_VBA, DSP563XX_REG_IDX_IPRC, DSP563XX_REG_IDX_IPRP,
345 DSP563XX_REG_IDX_BCR, DSP563XX_REG_IDX_DCR, DSP563XX_REG_IDX_AAR0, DSP563XX_REG_IDX_AAR1,
346 DSP563XX_REG_IDX_AAR2, DSP563XX_REG_IDX_AAR3, DSP563XX_REG_IDX_R0, DSP563XX_REG_IDX_R1,
347 DSP563XX_REG_IDX_R2, DSP563XX_REG_IDX_R3, DSP563XX_REG_IDX_R4, DSP563XX_REG_IDX_R5,
348 DSP563XX_REG_IDX_R6, DSP563XX_REG_IDX_R7, DSP563XX_REG_IDX_N0, DSP563XX_REG_IDX_N1,
349 DSP563XX_REG_IDX_N2, DSP563XX_REG_IDX_N3, DSP563XX_REG_IDX_N4, DSP563XX_REG_IDX_N5,
350 DSP563XX_REG_IDX_N6, DSP563XX_REG_IDX_N7, DSP563XX_REG_IDX_M0, DSP563XX_REG_IDX_M1,
351 DSP563XX_REG_IDX_M2, DSP563XX_REG_IDX_M3, DSP563XX_REG_IDX_M4, DSP563XX_REG_IDX_M5,
352 DSP563XX_REG_IDX_M6, DSP563XX_REG_IDX_M7,
353 };
354
355 static int dsp563xx_get_gdb_reg_list(struct target *target,
356 struct reg **reg_list[],
357 int *reg_list_size)
358 {
359 int i;
360 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
361
362 if (target->state != TARGET_HALTED)
363 return ERROR_TARGET_NOT_HALTED;
364
365 *reg_list_size = DSP563XX_NUMCOREREGS;
366 *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size));
367
368 if (!*reg_list)
369 return ERROR_COMMAND_SYNTAX_ERROR;
370
371 for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
372 (*reg_list)[i] = &dsp563xx->core_cache->reg_list[gdb_reg_list_idx[i]];
373
374 return ERROR_OK;
375
376 }
377
378 static int dsp563xx_read_core_reg(struct target *target, int num)
379 {
380 uint32_t reg_value;
381 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
382
383 if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
384 return ERROR_COMMAND_SYNTAX_ERROR;
385
386 reg_value = dsp563xx->core_regs[num];
387 buf_set_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32, reg_value);
388 dsp563xx->core_cache->reg_list[num].valid = 1;
389 dsp563xx->core_cache->reg_list[num].dirty = 0;
390
391 return ERROR_OK;
392 }
393
394 static int dsp563xx_write_core_reg(struct target *target, int num)
395 {
396 uint32_t reg_value;
397 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
398
399 if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
400 return ERROR_COMMAND_SYNTAX_ERROR;
401
402 reg_value = buf_get_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32);
403 dsp563xx->core_regs[num] = reg_value;
404 dsp563xx->core_cache->reg_list[num].valid = 1;
405 dsp563xx->core_cache->reg_list[num].dirty = 0;
406
407 return ERROR_OK;
408 }
409
410 static int dsp563xx_get_core_reg(struct reg *reg)
411 {
412 struct dsp563xx_core_reg *dsp563xx_reg = reg->arch_info;
413 struct target *target = dsp563xx_reg->target;
414 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
415
416 LOG_DEBUG("%s", __func__);
417
418 if (target->state != TARGET_HALTED)
419 return ERROR_TARGET_NOT_HALTED;
420
421 return dsp563xx->read_core_reg(target, dsp563xx_reg->num);
422 }
423
424 static int dsp563xx_set_core_reg(struct reg *reg, uint8_t *buf)
425 {
426 LOG_DEBUG("%s", __func__);
427
428 struct dsp563xx_core_reg *dsp563xx_reg = reg->arch_info;
429 struct target *target = dsp563xx_reg->target;
430 uint32_t value = buf_get_u32(buf, 0, 32);
431
432 if (target->state != TARGET_HALTED)
433 return ERROR_TARGET_NOT_HALTED;
434
435 buf_set_u32(reg->value, 0, reg->size, value);
436 reg->dirty = 1;
437 reg->valid = 1;
438
439 return ERROR_OK;
440 }
441
442 static const struct reg_arch_type dsp563xx_reg_type = {
443 .get = dsp563xx_get_core_reg,
444 .set = dsp563xx_set_core_reg,
445 };
446
447 static void dsp563xx_build_reg_cache(struct target *target)
448 {
449 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
450
451 struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
452 struct reg_cache *cache = malloc(sizeof(struct reg_cache));
453 struct reg *reg_list = malloc(sizeof(struct reg) * DSP563XX_NUMCOREREGS);
454 struct dsp563xx_core_reg *arch_info = malloc(
455 sizeof(struct dsp563xx_core_reg) * DSP563XX_NUMCOREREGS);
456 int i;
457
458 /* Build the process context cache */
459 cache->name = "dsp563xx registers";
460 cache->next = NULL;
461 cache->reg_list = reg_list;
462 cache->num_regs = DSP563XX_NUMCOREREGS;
463 (*cache_p) = cache;
464 dsp563xx->core_cache = cache;
465
466 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
467 arch_info[i].num = dsp563xx_regs[i].id;
468 arch_info[i].name = dsp563xx_regs[i].name;
469 arch_info[i].size = dsp563xx_regs[i].bits;
470 arch_info[i].eame = dsp563xx_regs[i].eame;
471 arch_info[i].instr_mask = dsp563xx_regs[i].instr_mask;
472 arch_info[i].target = target;
473 arch_info[i].dsp563xx_common = dsp563xx;
474 reg_list[i].name = dsp563xx_regs[i].name;
475 reg_list[i].size = 32; /* dsp563xx_regs[i].bits; */
476 reg_list[i].value = calloc(1, 4);
477 reg_list[i].dirty = 0;
478 reg_list[i].valid = 0;
479 reg_list[i].type = &dsp563xx_reg_type;
480 reg_list[i].arch_info = &arch_info[i];
481 }
482 }
483
484 static int dsp563xx_read_register(struct target *target, int num, int force);
485 static int dsp563xx_write_register(struct target *target, int num, int force);
486
487 static int dsp563xx_reg_read_high_io(struct target *target, uint32_t instr_mask, uint32_t *data)
488 {
489 int err;
490 uint32_t instr;
491 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
492
493 /* we use r0 to store temporary data */
494 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
495 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
496
497 /* move source memory to r0 */
498 instr = INSTR_MOVEP_REG_HIO(MEM_X, 0, EAME_R0, instr_mask);
499 err = dsp563xx_once_execute_sw_ir(target->tap, 0, instr);
500 if (err != ERROR_OK)
501 return err;
502 /* move r0 to debug register */
503 instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, EAME_R0, 0xfffffc);
504 err = dsp563xx_once_execute_sw_ir(target->tap, 1, instr);
505 if (err != ERROR_OK)
506 return err;
507 /* read debug register */
508 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data);
509 if (err != ERROR_OK)
510 return err;
511 /* r0 is no longer valid on target */
512 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
513
514 return ERROR_OK;
515 }
516
517 static int dsp563xx_reg_write_high_io(struct target *target, uint32_t instr_mask, uint32_t data)
518 {
519 int err;
520 uint32_t instr;
521 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
522
523 /* we use r0 to store temporary data */
524 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
525 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
526
527 /* move data to r0 */
528 err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x60F400, data);
529 if (err != ERROR_OK)
530 return err;
531 /* move r0 to destination memory */
532 instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, EAME_R0, instr_mask);
533 err = dsp563xx_once_execute_sw_ir(target->tap, 1, instr);
534 if (err != ERROR_OK)
535 return err;
536
537 /* r0 is no longer valid on target */
538 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
539
540 return ERROR_OK;
541 }
542
543 static int dsp563xx_reg_read(struct target *target, uint32_t eame, uint32_t *data)
544 {
545 int err;
546 uint32_t instr;
547
548 instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, eame, 0xfffffc);
549 err = dsp563xx_once_execute_sw_ir(target->tap, 0, instr);
550 if (err != ERROR_OK)
551 return err;
552 /* nop */
553 err = dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000);
554 if (err != ERROR_OK)
555 return err;
556 /* read debug register */
557 return dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data);
558 }
559
560 static int dsp563xx_reg_write(struct target *target, uint32_t instr_mask, uint32_t data)
561 {
562 int err;
563
564 err = dsp563xx_once_execute_dw_ir(target->tap, 0, instr_mask, data);
565 if (err != ERROR_OK)
566 return err;
567 /* nop */
568 return dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000);
569 }
570
571 static int dsp563xx_reg_pc_read(struct target *target)
572 {
573 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
574
575 /* pc was changed, nothing todo */
576 if (dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty)
577 return ERROR_OK;
578
579 /* conditional branch check */
580 if (once_regs[ONCE_REG_IDX_OPABDR].reg == once_regs[ONCE_REG_IDX_OPABEX].reg) {
581 if ((once_regs[ONCE_REG_IDX_OPABF11].reg & 1) == 0) {
582 LOG_DEBUG("%s conditional branch not supported yet (0x%x 0x%x 0x%x)",
583 __func__,
584 (once_regs[ONCE_REG_IDX_OPABF11].reg >> 1),
585 once_regs[ONCE_REG_IDX_OPABDR].reg,
586 once_regs[ONCE_REG_IDX_OPABEX].reg);
587
588 /* TODO: use disassembly to set correct pc offset
589 * read 2 words from OPABF11 and disasm the instruction
590 */
591 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] =
592 (once_regs[ONCE_REG_IDX_OPABF11].reg >> 1) & 0x00FFFFFF;
593 } else {
594 if (once_regs[ONCE_REG_IDX_OPABEX].reg ==
595 once_regs[ONCE_REG_IDX_OPABFR].reg)
596 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] =
597 once_regs[ONCE_REG_IDX_OPABEX].reg;
598 else
599 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] =
600 once_regs[ONCE_REG_IDX_OPABEX].reg - 1;
601 }
602 } else
603 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = once_regs[ONCE_REG_IDX_OPABEX].reg;
604
605 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_PC);
606
607 return ERROR_OK;
608 }
609
610 static int dsp563xx_reg_ssh_read(struct target *target)
611 {
612 int err;
613 uint32_t sp;
614 struct dsp563xx_core_reg *arch_info;
615 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
616
617 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
618
619 /* get a valid stack pointer */
620 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
621 if (err != ERROR_OK)
622 return err;
623 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
624 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 0);
625 if (err != ERROR_OK)
626 return err;
627
628 /* get a valid stack count */
629 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SC, 0);
630 if (err != ERROR_OK)
631 return err;
632
633 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 0);
634 if (err != ERROR_OK)
635 return err;
636
637 /* get a valid extended pointer */
638 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_EP, 0);
639 if (err != ERROR_OK)
640 return err;
641
642 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 0);
643 if (err != ERROR_OK)
644 return err;
645
646 if (!sp)
647 sp = 0x00FFFFFF;
648 else {
649 err = dsp563xx_reg_read(target, arch_info->eame, &sp);
650 if (err != ERROR_OK)
651 return err;
652
653 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 1);
654 if (err != ERROR_OK)
655 return err;
656 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1);
657 if (err != ERROR_OK)
658 return err;
659 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 1);
660 if (err != ERROR_OK)
661 return err;
662 }
663
664 dsp563xx->core_regs[DSP563XX_REG_IDX_SSH] = sp;
665 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSH);
666
667 return ERROR_OK;
668 }
669
670 static int dsp563xx_reg_ssh_write(struct target *target)
671 {
672 int err;
673 uint32_t sp;
674 struct dsp563xx_core_reg *arch_info;
675 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
676
677 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
678
679 /* get a valid stack pointer */
680 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
681 if (err != ERROR_OK)
682 return err;
683 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
684
685 if (sp) {
686 sp--;
687 /* write new stackpointer */
688 dsp563xx->core_regs[DSP563XX_REG_IDX_SP] = sp;
689 err = dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SP);
690 if (err != ERROR_OK)
691 return err;
692 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1);
693 if (err != ERROR_OK)
694 return err;
695
696 err = dsp563xx_reg_write(target, arch_info->instr_mask,
697 dsp563xx->core_regs[DSP563XX_REG_IDX_SSH]);
698 if (err != ERROR_OK)
699 return err;
700
701 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 1);
702 if (err != ERROR_OK)
703 return err;
704 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SSH, 1);
705 if (err != ERROR_OK)
706 return err;
707 }
708
709 return ERROR_OK;
710 }
711
712 static int dsp563xx_reg_ssl_read(struct target *target)
713 {
714 int err;
715 uint32_t sp;
716 struct dsp563xx_core_reg *arch_info;
717 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
718
719 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].arch_info;
720
721 /* get a valid stack pointer */
722 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
723 if (err != ERROR_OK)
724 return err;
725 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
726
727 if (!sp)
728 sp = 0x00FFFFFF;
729 else {
730 err = dsp563xx_reg_read(target, arch_info->eame, &sp);
731 if (err != ERROR_OK)
732 return err;
733 }
734
735 dsp563xx->core_regs[DSP563XX_REG_IDX_SSL] = sp;
736 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSL);
737
738 return ERROR_OK;
739 }
740
741 static int dsp563xx_read_register(struct target *target, int num, int force)
742 {
743 int err = ERROR_OK;
744 uint32_t data = 0;
745 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
746 struct dsp563xx_core_reg *arch_info;
747
748 if (force)
749 dsp563xx->core_cache->reg_list[num].valid = 0;
750
751 if (!dsp563xx->core_cache->reg_list[num].valid) {
752 arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
753
754 switch (arch_info->num) {
755 case DSP563XX_REG_IDX_SSH:
756 err = dsp563xx_reg_ssh_read(target);
757 break;
758 case DSP563XX_REG_IDX_SSL:
759 err = dsp563xx_reg_ssl_read(target);
760 break;
761 case DSP563XX_REG_IDX_PC:
762 err = dsp563xx_reg_pc_read(target);
763 break;
764 case DSP563XX_REG_IDX_IPRC:
765 case DSP563XX_REG_IDX_IPRP:
766 case DSP563XX_REG_IDX_BCR:
767 case DSP563XX_REG_IDX_DCR:
768 case DSP563XX_REG_IDX_AAR0:
769 case DSP563XX_REG_IDX_AAR1:
770 case DSP563XX_REG_IDX_AAR2:
771 case DSP563XX_REG_IDX_AAR3:
772 err = dsp563xx_reg_read_high_io(target,
773 arch_info->instr_mask, &data);
774 if (err == ERROR_OK) {
775 dsp563xx->core_regs[num] = data;
776 dsp563xx->read_core_reg(target, num);
777 }
778 break;
779 default:
780 err = dsp563xx_reg_read(target, arch_info->eame, &data);
781 if (err == ERROR_OK) {
782 dsp563xx->core_regs[num] = data;
783 dsp563xx->read_core_reg(target, num);
784 }
785 break;
786 }
787 }
788
789 return err;
790 }
791
792 static int dsp563xx_write_register(struct target *target, int num, int force)
793 {
794 int err = ERROR_OK;
795 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
796 struct dsp563xx_core_reg *arch_info;
797
798 if (force)
799 dsp563xx->core_cache->reg_list[num].dirty = 1;
800
801 if (dsp563xx->core_cache->reg_list[num].dirty) {
802 arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
803
804 dsp563xx->write_core_reg(target, num);
805
806 switch (arch_info->num) {
807 case DSP563XX_REG_IDX_SSH:
808 err = dsp563xx_reg_ssh_write(target);
809 break;
810 case DSP563XX_REG_IDX_PC:
811 /* pc is updated on resume, no need to write it here */
812 break;
813 case DSP563XX_REG_IDX_IPRC:
814 case DSP563XX_REG_IDX_IPRP:
815 case DSP563XX_REG_IDX_BCR:
816 case DSP563XX_REG_IDX_DCR:
817 case DSP563XX_REG_IDX_AAR0:
818 case DSP563XX_REG_IDX_AAR1:
819 case DSP563XX_REG_IDX_AAR2:
820 case DSP563XX_REG_IDX_AAR3:
821 err = dsp563xx_reg_write_high_io(target,
822 arch_info->instr_mask,
823 dsp563xx->core_regs[num]);
824 break;
825 default:
826 err = dsp563xx_reg_write(target,
827 arch_info->instr_mask,
828 dsp563xx->core_regs[num]);
829
830 if ((err == ERROR_OK) && (arch_info->num == DSP563XX_REG_IDX_SP)) {
831 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].valid =
832 0;
833 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].valid =
834 0;
835 }
836
837 break;
838 }
839 }
840
841 return err;
842 }
843
844 static int dsp563xx_save_context(struct target *target)
845 {
846 int i, err = ERROR_OK;
847
848 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
849 err = dsp563xx_read_register(target, i, 0);
850 if (err != ERROR_OK)
851 break;
852 }
853
854 return err;
855 }
856
857 static int dsp563xx_restore_context(struct target *target)
858 {
859 int i, err = ERROR_OK;
860
861 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
862 err = dsp563xx_write_register(target, i, 0);
863 if (err != ERROR_OK)
864 break;
865 }
866
867 return err;
868 }
869
870 static void dsp563xx_invalidate_x_context(struct target *target,
871 uint32_t addr_start,
872 uint32_t addr_end)
873 {
874 int i;
875 struct dsp563xx_core_reg *arch_info;
876 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
877
878 if (addr_start > ASM_REG_W_IPRC)
879 return;
880 if (addr_start < ASM_REG_W_AAR3)
881 return;
882
883 for (i = DSP563XX_REG_IDX_IPRC; i < DSP563XX_NUMCOREREGS; i++) {
884 arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
885
886 if ((arch_info->instr_mask >= addr_start) &&
887 (arch_info->instr_mask <= addr_end)) {
888 dsp563xx->core_cache->reg_list[i].valid = 0;
889 dsp563xx->core_cache->reg_list[i].dirty = 0;
890 }
891 }
892 }
893
894 static int dsp563xx_target_create(struct target *target, Jim_Interp *interp)
895 {
896 struct dsp563xx_common *dsp563xx = calloc(1, sizeof(struct dsp563xx_common));
897
898 if (!dsp563xx)
899 return ERROR_COMMAND_SYNTAX_ERROR;
900
901 dsp563xx->jtag_info.tap = target->tap;
902 target->arch_info = dsp563xx;
903 dsp563xx->read_core_reg = dsp563xx_read_core_reg;
904 dsp563xx->write_core_reg = dsp563xx_write_core_reg;
905
906 return ERROR_OK;
907 }
908
909 static int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *target)
910 {
911 LOG_DEBUG("%s", __func__);
912
913 dsp563xx_build_reg_cache(target);
914 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
915
916 dsp563xx->hardware_breakpoints_cleared = 0;
917 dsp563xx->hardware_breakpoint[0].used = BPU_NONE;
918
919 return ERROR_OK;
920 }
921
922 static int dsp563xx_examine(struct target *target)
923 {
924 uint32_t chip;
925
926 if (target->tap->hasidcode == false) {
927 LOG_ERROR("no IDCODE present on device");
928 return ERROR_COMMAND_SYNTAX_ERROR;
929 }
930
931 if (!target_was_examined(target)) {
932 target_set_examined(target);
933
934 /* examine core and chip derivate number */
935 chip = (target->tap->idcode>>12) & 0x3ff;
936 /* core number 0 means DSP563XX */
937 if (((chip>>5)&0x1f) == 0)
938 chip += 300;
939
940 LOG_INFO("DSP56%03d device found", chip);
941
942 /* Clear all breakpoints */
943 dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, 0);
944 }
945
946 return ERROR_OK;
947 }
948
949 static int dsp563xx_arch_state(struct target *target)
950 {
951 LOG_DEBUG("%s", __func__);
952 return ERROR_OK;
953 }
954
955 #define DSP563XX_SR_SA (1<<17)
956 #define DSP563XX_SR_SC (1<<13)
957
958 static int dsp563xx_debug_once_init(struct target *target)
959 {
960 return dsp563xx_once_read_register(target->tap, 1, once_regs, DSP563XX_NUMONCEREGS);
961 }
962
963 static int dsp563xx_debug_init(struct target *target)
964 {
965 int err;
966 uint32_t sr;
967 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
968 struct dsp563xx_core_reg *arch_info;
969
970 err = dsp563xx_debug_once_init(target);
971 if (err != ERROR_OK)
972 return err;
973
974 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].arch_info;
975
976 /* check 24bit mode */
977 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SR, 0);
978 if (err != ERROR_OK)
979 return err;
980
981 sr = dsp563xx->core_regs[DSP563XX_REG_IDX_SR];
982
983 if (sr & (DSP563XX_SR_SA | DSP563XX_SR_SC)) {
984 sr &= ~(DSP563XX_SR_SA | DSP563XX_SR_SC);
985
986 err = dsp563xx_once_execute_dw_ir(target->tap, 1, arch_info->instr_mask, sr);
987 if (err != ERROR_OK)
988 return err;
989 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].dirty = 1;
990 }
991
992 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N0, 0);
993 if (err != ERROR_OK)
994 return err;
995 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N1, 0);
996 if (err != ERROR_OK)
997 return err;
998 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M0, 0);
999 if (err != ERROR_OK)
1000 return err;
1001 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M1, 0);
1002 if (err != ERROR_OK)
1003 return err;
1004
1005 if (dsp563xx->core_regs[DSP563XX_REG_IDX_N0] != 0x000000) {
1006 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N0].arch_info;
1007 err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000);
1008 if (err != ERROR_OK)
1009 return err;
1010 }
1011 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N0].dirty = 1;
1012
1013 if (dsp563xx->core_regs[DSP563XX_REG_IDX_N1] != 0x000000) {
1014 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N1].arch_info;
1015 err = dsp563xx_reg_write(target, arch_info->instr_mask, 0x000000);
1016 if (err != ERROR_OK)
1017 return err;
1018 }
1019 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N1].dirty = 1;
1020
1021 if (dsp563xx->core_regs[DSP563XX_REG_IDX_M0] != 0xffffff) {
1022 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M0].arch_info;
1023 err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff);
1024 if (err != ERROR_OK)
1025 return err;
1026 }
1027 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M0].dirty = 1;
1028
1029 if (dsp563xx->core_regs[DSP563XX_REG_IDX_M1] != 0xffffff) {
1030 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M1].arch_info;
1031 err = dsp563xx_reg_write(target, arch_info->instr_mask, 0xffffff);
1032 if (err != ERROR_OK)
1033 return err;
1034 }
1035 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M1].dirty = 1;
1036
1037 err = dsp563xx_save_context(target);
1038 if (err != ERROR_OK)
1039 return err;
1040
1041 return ERROR_OK;
1042 }
1043
1044 static int dsp563xx_jtag_debug_request(struct target *target)
1045 {
1046 return dsp563xx_once_request_debug(target->tap, target->state == TARGET_RESET);
1047 }
1048
1049 static int dsp563xx_poll(struct target *target)
1050 {
1051 int err;
1052 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1053 uint32_t once_status = 0;
1054 int state;
1055
1056 state = dsp563xx_once_target_status(target->tap);
1057
1058 if (state == TARGET_UNKNOWN) {
1059 target->state = state;
1060 LOG_ERROR("jtag status contains invalid mode value - communication failure");
1061 return ERROR_TARGET_FAILURE;
1062 }
1063
1064 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status);
1065 if (err != ERROR_OK)
1066 return err;
1067
1068 if ((once_status & DSP563XX_ONCE_OSCR_DEBUG_M) == DSP563XX_ONCE_OSCR_DEBUG_M) {
1069 if (target->state != TARGET_HALTED) {
1070 target->state = TARGET_HALTED;
1071
1072 err = dsp563xx_debug_init(target);
1073 if (err != ERROR_OK)
1074 return err;
1075
1076 if (once_status & (DSP563XX_ONCE_OSCR_MBO|DSP563XX_ONCE_OSCR_SWO))
1077 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
1078 else
1079 target_call_event_callbacks(target, TARGET_EVENT_HALTED);
1080
1081 LOG_DEBUG("target->state: %s (%x)", target_state_name(target), once_status);
1082 LOG_INFO("halted: PC: 0x%x", dsp563xx->core_regs[DSP563XX_REG_IDX_PC]);
1083 }
1084 }
1085
1086 if (!dsp563xx->hardware_breakpoints_cleared) {
1087 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, 0);
1088 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR0, 0);
1089 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR1, 0);
1090 dsp563xx->hardware_breakpoints_cleared = 1;
1091 }
1092
1093 return ERROR_OK;
1094 }
1095
1096 static int dsp563xx_halt(struct target *target)
1097 {
1098 int err;
1099
1100 LOG_DEBUG("%s", __func__);
1101
1102 if (target->state == TARGET_HALTED) {
1103 LOG_DEBUG("target was already halted");
1104 return ERROR_OK;
1105 }
1106
1107 if (target->state == TARGET_UNKNOWN)
1108 LOG_WARNING("target was in unknown state when halt was requested");
1109
1110 err = dsp563xx_jtag_debug_request(target);
1111 if (err != ERROR_OK)
1112 return err;
1113
1114 target->debug_reason = DBG_REASON_DBGRQ;
1115
1116 return ERROR_OK;
1117 }
1118
1119 static int dsp563xx_resume(struct target *target,
1120 int current,
1121 uint32_t address,
1122 int handle_breakpoints,
1123 int debug_execution)
1124 {
1125 int err;
1126 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1127
1128 /* check if pc was changed and resume want to execute the next address
1129 * if pc was changed from gdb or other interface we will
1130 * jump to this address and don't execute the next address
1131 * this will not affect the resume command with an address argument
1132 * because current is set to zero then
1133 */
1134 if (current && dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty) {
1135 dsp563xx_write_core_reg(target, DSP563XX_REG_IDX_PC);
1136 address = dsp563xx->core_regs[DSP563XX_REG_IDX_PC];
1137 current = 0;
1138 }
1139
1140 LOG_DEBUG("%s %08X %08X", __func__, current, (unsigned) address);
1141
1142 err = dsp563xx_restore_context(target);
1143 if (err != ERROR_OK)
1144 return err;
1145 register_cache_invalidate(dsp563xx->core_cache);
1146
1147 if (current) {
1148 /* restore pipeline registers and go */
1149 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR,
1150 once_regs[ONCE_REG_IDX_OPILR].reg);
1151 if (err != ERROR_OK)
1152 return err;
1153 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR |
1154 DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
1155 once_regs[ONCE_REG_IDX_OPDBR].reg);
1156 if (err != ERROR_OK)
1157 return err;
1158 } else {
1159 /* set to go register and jump */
1160 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, INSTR_JUMP);
1161 if (err != ERROR_OK)
1162 return err;
1163 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_PDBGOTO |
1164 DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO, address);
1165 if (err != ERROR_OK)
1166 return err;
1167 }
1168
1169 target->state = TARGET_RUNNING;
1170
1171 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
1172
1173 return ERROR_OK;
1174 }
1175
1176 static int dsp563xx_step_ex(struct target *target,
1177 int current,
1178 uint32_t address,
1179 int handle_breakpoints,
1180 int steps)
1181 {
1182 int err;
1183 uint32_t once_status;
1184 uint32_t dr_in, cnt;
1185 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1186
1187 if (target->state != TARGET_HALTED) {
1188 LOG_DEBUG("target was not halted");
1189 return ERROR_OK;
1190 }
1191
1192 /* check if pc was changed and step want to execute the next address
1193 * if pc was changed from gdb or other interface we will
1194 * jump to this address and don't execute the next address
1195 * this will not affect the step command with an address argument
1196 * because current is set to zero then
1197 */
1198 if (current && dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty) {
1199 dsp563xx_write_core_reg(target, DSP563XX_REG_IDX_PC);
1200 address = dsp563xx->core_regs[DSP563XX_REG_IDX_PC];
1201 current = 0;
1202 }
1203
1204 LOG_DEBUG("%s %08X %08X", __func__, current, (unsigned) address);
1205
1206 err = dsp563xx_jtag_debug_request(target);
1207 if (err != ERROR_OK)
1208 return err;
1209 err = dsp563xx_restore_context(target);
1210 if (err != ERROR_OK)
1211 return err;
1212
1213 /* reset trace mode */
1214 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, 0x000000);
1215 if (err != ERROR_OK)
1216 return err;
1217 /* enable trace mode */
1218 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, DSP563XX_ONCE_OSCR_TME);
1219 if (err != ERROR_OK)
1220 return err;
1221
1222 cnt = steps;
1223
1224 /* on JUMP we need one extra cycle */
1225 if (!current)
1226 cnt++;
1227
1228 /* load step counter with N-1 */
1229 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OTC, cnt);
1230 if (err != ERROR_OK)
1231 return err;
1232
1233 if (current) {
1234 /* restore pipeline registers and go */
1235 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR,
1236 once_regs[ONCE_REG_IDX_OPILR].reg);
1237 if (err != ERROR_OK)
1238 return err;
1239 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR |
1240 DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
1241 once_regs[ONCE_REG_IDX_OPDBR].reg);
1242 if (err != ERROR_OK)
1243 return err;
1244 } else {
1245 /* set to go register and jump */
1246 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OPDBR, INSTR_JUMP);
1247 if (err != ERROR_OK)
1248 return err;
1249 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_PDBGOTO |
1250 DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
1251 address);
1252 if (err != ERROR_OK)
1253 return err;
1254 }
1255
1256 while (1) {
1257 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status);
1258 if (err != ERROR_OK)
1259 return err;
1260
1261 if (once_status & DSP563XX_ONCE_OSCR_TO) {
1262 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABFR, &dr_in);
1263 if (err != ERROR_OK)
1264 return err;
1265 LOG_DEBUG("fetch: %08X", (unsigned) dr_in&0x00ffffff);
1266 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABDR, &dr_in);
1267 if (err != ERROR_OK)
1268 return err;
1269 LOG_DEBUG("decode: %08X", (unsigned) dr_in&0x00ffffff);
1270 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OPABEX, &dr_in);
1271 if (err != ERROR_OK)
1272 return err;
1273 LOG_DEBUG("execute: %08X", (unsigned) dr_in&0x00ffffff);
1274
1275 /* reset trace mode */
1276 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, 0x000000);
1277 if (err != ERROR_OK)
1278 return err;
1279
1280 register_cache_invalidate(dsp563xx->core_cache);
1281 err = dsp563xx_debug_init(target);
1282 if (err != ERROR_OK)
1283 return err;
1284
1285 break;
1286 }
1287 }
1288
1289 return ERROR_OK;
1290 }
1291
1292 static int dsp563xx_step(struct target *target,
1293 int current,
1294 uint32_t address,
1295 int handle_breakpoints)
1296 {
1297 int err;
1298 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1299
1300 if (target->state != TARGET_HALTED) {
1301 LOG_WARNING("target not halted");
1302 return ERROR_TARGET_NOT_HALTED;
1303 }
1304
1305 err = dsp563xx_step_ex(target, current, address, handle_breakpoints, 0);
1306 if (err != ERROR_OK)
1307 return err;
1308
1309 target->debug_reason = DBG_REASON_SINGLESTEP;
1310 target_call_event_callbacks(target, TARGET_EVENT_HALTED);
1311
1312 LOG_INFO("halted: PC: 0x%x", dsp563xx->core_regs[DSP563XX_REG_IDX_PC]);
1313
1314 return err;
1315 }
1316
1317 static int dsp563xx_assert_reset(struct target *target)
1318 {
1319 int retval = 0;
1320 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1321 enum reset_types jtag_reset_config = jtag_get_reset_config();
1322
1323 if (jtag_reset_config & RESET_HAS_SRST) {
1324 /* default to asserting srst */
1325 if (jtag_reset_config & RESET_SRST_PULLS_TRST)
1326 jtag_add_reset(1, 1);
1327 else
1328 jtag_add_reset(0, 1);
1329 }
1330
1331 target->state = TARGET_RESET;
1332 jtag_add_sleep(5000);
1333
1334 /* registers are now invalid */
1335 register_cache_invalidate(dsp563xx->core_cache);
1336
1337 if (target->reset_halt) {
1338 retval = target_halt(target);
1339 if (retval != ERROR_OK)
1340 return retval;
1341 }
1342
1343 LOG_DEBUG("%s", __func__);
1344 return ERROR_OK;
1345 }
1346
1347 static int dsp563xx_deassert_reset(struct target *target)
1348 {
1349 int err;
1350
1351 /* deassert reset lines */
1352 jtag_add_reset(0, 0);
1353
1354 err = dsp563xx_poll(target);
1355 if (err != ERROR_OK)
1356 return err;
1357
1358 if (target->reset_halt) {
1359 if (target->state == TARGET_HALTED) {
1360 /* after a reset the cpu jmp to the
1361 * reset vector and need 2 cycles to fill
1362 * the cache (fetch,decode,excecute)
1363 */
1364 err = dsp563xx_step_ex(target, 1, 0, 1, 1);
1365 if (err != ERROR_OK)
1366 return err;
1367 }
1368 } else
1369 target->state = TARGET_RUNNING;
1370
1371 LOG_DEBUG("%s", __func__);
1372 return ERROR_OK;
1373 }
1374
1375 static int dsp563xx_soft_reset_halt(struct target *target)
1376 {
1377 LOG_DEBUG("%s", __func__);
1378 return ERROR_OK;
1379 }
1380
1381 static int dsp563xx_run_algorithm(struct target *target,
1382 int num_mem_params, struct mem_param *mem_params,
1383 int num_reg_params, struct reg_param *reg_params,
1384 uint32_t entry_point, uint32_t exit_point,
1385 int timeout_ms, void *arch_info)
1386 {
1387 int i;
1388 int retval = ERROR_OK;
1389 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1390
1391 if (target->state != TARGET_HALTED) {
1392 LOG_WARNING("target not halted");
1393 return ERROR_TARGET_NOT_HALTED;
1394 }
1395
1396 for (i = 0; i < num_mem_params; i++) {
1397 retval = target_write_buffer(target, mem_params[i].address,
1398 mem_params[i].size, mem_params[i].value);
1399 if (retval != ERROR_OK)
1400 return retval;
1401 }
1402
1403 for (i = 0; i < num_reg_params; i++) {
1404 struct reg *reg = register_get_by_name(dsp563xx->core_cache,
1405 reg_params[i].reg_name,
1406 0);
1407
1408 if (!reg) {
1409 LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
1410 continue;
1411 }
1412
1413 if (reg->size != reg_params[i].size) {
1414 LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size",
1415 reg_params[i].reg_name);
1416 continue;
1417 }
1418
1419 retval = dsp563xx_set_core_reg(reg, reg_params[i].value);
1420 if (retval != ERROR_OK)
1421 return retval;
1422 }
1423
1424 /* exec */
1425 retval = target_resume(target, 0, entry_point, 1, 1);
1426 if (retval != ERROR_OK)
1427 return retval;
1428
1429 retval = target_wait_state(target, TARGET_HALTED, timeout_ms);
1430 if (retval != ERROR_OK)
1431 return retval;
1432
1433 for (i = 0; i < num_mem_params; i++) {
1434 if (mem_params[i].direction != PARAM_OUT)
1435 retval = target_read_buffer(target,
1436 mem_params[i].address,
1437 mem_params[i].size,
1438 mem_params[i].value);
1439 if (retval != ERROR_OK)
1440 return retval;
1441 }
1442
1443 for (i = 0; i < num_reg_params; i++) {
1444 if (reg_params[i].direction != PARAM_OUT) {
1445
1446 struct reg *reg = register_get_by_name(dsp563xx->core_cache,
1447 reg_params[i].reg_name,
1448 0);
1449 if (!reg) {
1450 LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
1451 continue;
1452 }
1453
1454 if (reg->size != reg_params[i].size) {
1455 LOG_ERROR(
1456 "BUG: register '%s' size doesn't match reg_params[i].size",
1457 reg_params[i].reg_name);
1458 continue;
1459 }
1460
1461 buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32));
1462 }
1463 }
1464
1465 return ERROR_OK;
1466 }
1467
1468 /* global command context from openocd.c */
1469 extern struct command_context *global_cmd_ctx;
1470
1471 static int dsp563xx_get_default_memory(void)
1472 {
1473 Jim_Interp *interp;
1474 Jim_Obj *memspace;
1475 char *c;
1476
1477 if (!global_cmd_ctx)
1478 return MEM_P;
1479
1480 interp = global_cmd_ctx->interp;
1481
1482 if (!interp)
1483 return MEM_P;
1484
1485 memspace = Jim_GetGlobalVariableStr(interp, "memspace", JIM_NONE);
1486
1487 if (!memspace)
1488 return MEM_P;
1489
1490 c = (char *)Jim_GetString(memspace, NULL);
1491
1492 if (!c)
1493 return MEM_P;
1494
1495 switch (c[0]) {
1496 case '1':
1497 return MEM_X;
1498 case '2':
1499 return MEM_Y;
1500 case '3':
1501 return MEM_L;
1502 default:
1503 break;
1504 }
1505
1506 return MEM_P;
1507 }
1508
1509 static int dsp563xx_read_memory_core(struct target *target,
1510 int mem_type,
1511 uint32_t address,
1512 uint32_t size,
1513 uint32_t count,
1514 uint8_t *buffer)
1515 {
1516 int err;
1517 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1518 uint32_t i, x;
1519 uint32_t data, move_cmd = 0;
1520 uint8_t *b;
1521
1522 LOG_DEBUG(
1523 "memtype: %d address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "",
1524 mem_type,
1525 address,
1526 size,
1527 count);
1528
1529 if (target->state != TARGET_HALTED) {
1530 LOG_WARNING("target not halted");
1531 return ERROR_TARGET_NOT_HALTED;
1532 }
1533
1534 switch (mem_type) {
1535 case MEM_X:
1536 /* TODO: mark effected queued registers */
1537 move_cmd = 0x61d800;
1538 break;
1539 case MEM_Y:
1540 move_cmd = 0x69d800;
1541 break;
1542 case MEM_P:
1543 move_cmd = 0x07d891;
1544 break;
1545 default:
1546 return ERROR_COMMAND_SYNTAX_ERROR;
1547 }
1548
1549 /* we use r0 to store temporary data */
1550 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
1551 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
1552 /* we use r1 to store temporary data */
1553 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
1554 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
1555
1556 /* r0 is no longer valid on target */
1557 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
1558 /* r1 is no longer valid on target */
1559 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = 1;
1560
1561 x = count;
1562 b = buffer;
1563
1564 err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address);
1565 if (err != ERROR_OK)
1566 return err;
1567
1568 for (i = 0; i < x; i++) {
1569 err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd);
1570 if (err != ERROR_OK)
1571 return err;
1572 err = dsp563xx_once_execute_sw_ir(target->tap, 0, 0x08D13C);
1573 if (err != ERROR_OK)
1574 return err;
1575 err = dsp563xx_once_reg_read(target->tap, 0,
1576 DSP563XX_ONCE_OGDBR, (uint32_t *)(void *)b);
1577 if (err != ERROR_OK)
1578 return err;
1579 b += 4;
1580 }
1581
1582 /* flush the jtag queue */
1583 err = jtag_execute_queue();
1584 if (err != ERROR_OK)
1585 return err;
1586
1587 /* walk over the buffer and fix target endianness */
1588 b = buffer;
1589
1590 for (i = 0; i < x; i++) {
1591 data = buf_get_u32(b, 0, 32) & 0x00FFFFFF;
1592 /* LOG_DEBUG("R: %08X", *((uint32_t*)b)); */
1593 target_buffer_set_u32(target, b, data);
1594 b += 4;
1595 }
1596
1597 return ERROR_OK;
1598 }
1599
1600 static int dsp563xx_read_memory(struct target *target,
1601 int mem_type,
1602 uint32_t address,
1603 uint32_t size,
1604 uint32_t count,
1605 uint8_t *buffer)
1606 {
1607 int err;
1608 uint32_t i, i1;
1609 uint8_t *buffer_y, *buffer_x;
1610
1611 /* if size equals zero we are called from target read memory
1612 * and have to handle the parameter here */
1613 if ((size == 0) && (count != 0)) {
1614 size = count % 4;
1615
1616 if (size)
1617 LOG_DEBUG("size is not aligned to 4 byte");
1618
1619 count = (count - size) / 4;
1620 size = 4;
1621 }
1622
1623 /* we only support 4 byte aligned data */
1624 if ((size != 4) || (!count))
1625 return ERROR_COMMAND_SYNTAX_ERROR;
1626
1627 if (mem_type != MEM_L)
1628 return dsp563xx_read_memory_core(target, mem_type, address, size, count, buffer);
1629
1630 buffer_y = malloc(size * count);
1631 if (!buffer_y)
1632 return ERROR_COMMAND_SYNTAX_ERROR;
1633
1634 buffer_x = malloc(size * count);
1635 if (!buffer_x) {
1636 free(buffer_y);
1637 return ERROR_COMMAND_SYNTAX_ERROR;
1638 }
1639
1640 err = dsp563xx_read_memory_core(target, MEM_Y, address, size, count / 2, buffer_y);
1641
1642 if (err != ERROR_OK) {
1643 free(buffer_y);
1644 free(buffer_x);
1645 return err;
1646 }
1647
1648 err = dsp563xx_read_memory_core(target, MEM_X, address, size, count / 2, buffer_x);
1649
1650 if (err != ERROR_OK) {
1651 free(buffer_y);
1652 free(buffer_x);
1653 return err;
1654 }
1655
1656 for (i = 0, i1 = 0; i < count; i += 2, i1++) {
1657 buf_set_u32(buffer + i*sizeof(uint32_t), 0, 32,
1658 buf_get_u32(buffer_y + i1 * sizeof(uint32_t), 0, 32));
1659 buf_set_u32(buffer + (i + 1) * sizeof(uint32_t), 0, 32,
1660 buf_get_u32(buffer_x + i1 * sizeof(uint32_t), 0, 32));
1661 }
1662
1663 free(buffer_y);
1664 free(buffer_x);
1665
1666 return ERROR_OK;
1667 }
1668
1669 static int dsp563xx_read_memory_default(struct target *target,
1670 uint32_t address,
1671 uint32_t size,
1672 uint32_t count,
1673 uint8_t *buffer)
1674 {
1675
1676 return dsp563xx_read_memory(target,
1677 dsp563xx_get_default_memory(), address, size, count, buffer);
1678 }
1679
1680 static int dsp563xx_read_buffer_default(struct target *target,
1681 uint32_t address,
1682 uint32_t size,
1683 uint8_t *buffer)
1684 {
1685
1686 return dsp563xx_read_memory(target, dsp563xx_get_default_memory(), address, size, 0,
1687 buffer);
1688 }
1689
1690 static int dsp563xx_write_memory_core(struct target *target,
1691 int mem_type,
1692 uint32_t address,
1693 uint32_t size,
1694 uint32_t count,
1695 const uint8_t *buffer)
1696 {
1697 int err;
1698 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1699 uint32_t i, x;
1700 uint32_t data, move_cmd = 0;
1701 const uint8_t *b;
1702
1703 LOG_DEBUG(
1704 "memtype: %d address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "",
1705 mem_type,
1706 address,
1707 size,
1708 count);
1709
1710 if (target->state != TARGET_HALTED) {
1711 LOG_WARNING("target not halted");
1712 return ERROR_TARGET_NOT_HALTED;
1713 }
1714
1715 switch (mem_type) {
1716 case MEM_X:
1717 /* invalidate affected x registers */
1718 dsp563xx_invalidate_x_context(target, address, address + count - 1);
1719 move_cmd = 0x615800;
1720 break;
1721 case MEM_Y:
1722 move_cmd = 0x695800;
1723 break;
1724 case MEM_P:
1725 move_cmd = 0x075891;
1726 break;
1727 default:
1728 return ERROR_COMMAND_SYNTAX_ERROR;
1729 }
1730
1731 /* we use r0 to store temporary data */
1732 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
1733 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
1734 /* we use r1 to store temporary data */
1735 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
1736 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
1737
1738 /* r0 is no longer valid on target */
1739 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = 1;
1740 /* r1 is no longer valid on target */
1741 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = 1;
1742
1743 x = count;
1744 b = buffer;
1745
1746 err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address);
1747 if (err != ERROR_OK)
1748 return err;
1749
1750 for (i = 0; i < x; i++) {
1751 data = target_buffer_get_u32(target, b);
1752
1753 /* LOG_DEBUG("W: %08X", data); */
1754
1755 data &= 0x00ffffff;
1756
1757 err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x61F400, data);
1758 if (err != ERROR_OK)
1759 return err;
1760 err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd);
1761 if (err != ERROR_OK)
1762 return err;
1763 b += 4;
1764 }
1765
1766 /* flush the jtag queue */
1767 err = jtag_execute_queue();
1768 if (err != ERROR_OK)
1769 return err;
1770
1771 return ERROR_OK;
1772 }
1773
1774 static int dsp563xx_write_memory(struct target *target,
1775 int mem_type,
1776 uint32_t address,
1777 uint32_t size,
1778 uint32_t count,
1779 const uint8_t *buffer)
1780 {
1781 int err;
1782 uint32_t i, i1;
1783 uint8_t *buffer_y, *buffer_x;
1784
1785 /* if size equals zero we are called from target write memory
1786 * and have to handle the parameter here */
1787 if ((size == 0) && (count != 0)) {
1788 size = count % 4;
1789
1790 if (size)
1791 LOG_DEBUG("size is not aligned to 4 byte");
1792
1793 count = (count - size) / 4;
1794 size = 4;
1795 }
1796
1797 /* we only support 4 byte aligned data */
1798 if ((size != 4) || (!count))
1799 return ERROR_COMMAND_SYNTAX_ERROR;
1800
1801 if (mem_type != MEM_L)
1802 return dsp563xx_write_memory_core(target, mem_type, address, size, count, buffer);
1803
1804 buffer_y = malloc(size * count);
1805 if (!buffer_y)
1806 return ERROR_COMMAND_SYNTAX_ERROR;
1807
1808 buffer_x = malloc(size * count);
1809 if (!buffer_x) {
1810 free(buffer_y);
1811 return ERROR_COMMAND_SYNTAX_ERROR;
1812 }
1813
1814 for (i = 0, i1 = 0; i < count; i += 2, i1++) {
1815 buf_set_u32(buffer_y + i1 * sizeof(uint32_t), 0, 32,
1816 buf_get_u32(buffer + i * sizeof(uint32_t), 0, 32));
1817 buf_set_u32(buffer_x + i1 * sizeof(uint32_t), 0, 32,
1818 buf_get_u32(buffer + (i + 1) * sizeof(uint32_t), 0, 32));
1819 }
1820
1821 err = dsp563xx_write_memory_core(target, MEM_Y, address, size, count / 2, buffer_y);
1822
1823 if (err != ERROR_OK) {
1824 free(buffer_y);
1825 free(buffer_x);
1826 return err;
1827 }
1828
1829 err = dsp563xx_write_memory_core(target, MEM_X, address, size, count / 2, buffer_x);
1830
1831 if (err != ERROR_OK) {
1832 free(buffer_y);
1833 free(buffer_x);
1834 return err;
1835 }
1836
1837 free(buffer_y);
1838 free(buffer_x);
1839
1840 return ERROR_OK;
1841 }
1842
1843 static int dsp563xx_write_memory_default(struct target *target,
1844 uint32_t address,
1845 uint32_t size,
1846 uint32_t count,
1847 const uint8_t *buffer)
1848 {
1849 return dsp563xx_write_memory(target,
1850 dsp563xx_get_default_memory(), address, size, count, buffer);
1851 }
1852
1853 static int dsp563xx_write_buffer_default(struct target *target,
1854 uint32_t address,
1855 uint32_t size,
1856 const uint8_t *buffer)
1857 {
1858 return dsp563xx_write_memory(target, dsp563xx_get_default_memory(), address, size, 0,
1859 buffer);
1860 }
1861
1862 /*
1863 * Exit with error here, because we support watchpoints over a custom command.
1864 * This is because the DSP has separate X,Y,P memspace which is not compatible to the
1865 * traditional watchpoint logic.
1866 */
1867 static int dsp563xx_add_watchpoint(struct target *target, struct watchpoint *watchpoint)
1868 {
1869 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1870 }
1871
1872 /*
1873 * @see dsp563xx_add_watchpoint
1874 */
1875 static int dsp563xx_remove_watchpoint(struct target *target, struct watchpoint *watchpoint)
1876 {
1877 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1878 }
1879
1880 static void handle_md_output(struct command_context *cmd_ctx,
1881 struct target *target,
1882 uint32_t address,
1883 unsigned size,
1884 unsigned count,
1885 const uint8_t *buffer)
1886 {
1887 const unsigned line_bytecnt = 32;
1888 unsigned line_modulo = line_bytecnt / size;
1889
1890 char output[line_bytecnt * 4 + 1];
1891 unsigned output_len = 0;
1892
1893 const char *value_fmt;
1894 switch (size) {
1895 case 4:
1896 value_fmt = "%8.8x ";
1897 break;
1898 case 2:
1899 value_fmt = "%4.4x ";
1900 break;
1901 case 1:
1902 value_fmt = "%2.2x ";
1903 break;
1904 default:
1905 /* "can't happen", caller checked */
1906 LOG_ERROR("invalid memory read size: %u", size);
1907 return;
1908 }
1909
1910 for (unsigned i = 0; i < count; i++) {
1911 if (i % line_modulo == 0)
1912 output_len += snprintf(output + output_len,
1913 sizeof(output) - output_len,
1914 "0x%8.8x: ",
1915 (unsigned) (address + i));
1916
1917 uint32_t value = 0;
1918 const uint8_t *value_ptr = buffer + i * size;
1919 switch (size) {
1920 case 4:
1921 value = target_buffer_get_u32(target, value_ptr);
1922 break;
1923 case 2:
1924 value = target_buffer_get_u16(target, value_ptr);
1925 break;
1926 case 1:
1927 value = *value_ptr;
1928 }
1929 output_len += snprintf(output + output_len,
1930 sizeof(output) - output_len,
1931 value_fmt,
1932 value);
1933
1934 if ((i % line_modulo == line_modulo - 1) || (i == count - 1)) {
1935 command_print(cmd_ctx, "%s", output);
1936 output_len = 0;
1937 }
1938 }
1939 }
1940
1941 static int dsp563xx_add_custom_watchpoint(struct target *target, uint32_t address, uint32_t memType,
1942 enum watchpoint_rw rw, enum watchpoint_condition cond)
1943 {
1944 int err = ERROR_OK;
1945 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1946
1947 bool wasRunning = false;
1948 /* Only set breakpoint when halted */
1949 if (target->state != TARGET_HALTED) {
1950 dsp563xx_halt(target);
1951 wasRunning = true;
1952 }
1953
1954 if (dsp563xx->hardware_breakpoint[0].used) {
1955 LOG_ERROR("Cannot add watchpoint. Hardware resource already used.");
1956 err = ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1957 }
1958
1959 uint32_t obcr_value = 0;
1960 if (err == ERROR_OK) {
1961 obcr_value |= OBCR_b0_or_b1;
1962 switch (memType) {
1963 case MEM_X:
1964 obcr_value |= OBCR_BP_MEM_X;
1965 break;
1966 case MEM_Y:
1967 obcr_value |= OBCR_BP_MEM_Y;
1968 break;
1969 case MEM_P:
1970 obcr_value |= OBCR_BP_MEM_P;
1971 break;
1972 default:
1973 LOG_ERROR("Unknown memType parameter (%d)", memType);
1974 err = ERROR_TARGET_INVALID;
1975 }
1976 }
1977
1978 if (err == ERROR_OK) {
1979 switch (rw) {
1980 case WPT_READ:
1981 obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ);
1982 break;
1983 case WPT_WRITE:
1984 obcr_value |= OBCR_BP_0(OBCR_BP_ON_WRITE);
1985 break;
1986 case WPT_ACCESS:
1987 obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ|OBCR_BP_ON_WRITE);
1988 break;
1989 default:
1990 LOG_ERROR("Unsupported write mode (%d)", rw);
1991 err = ERROR_TARGET_INVALID;
1992 }
1993 }
1994
1995 if (err == ERROR_OK) {
1996 switch (cond) {
1997 case EQUAL:
1998 obcr_value |= OBCR_BP_0(OBCR_BP_CC_EQUAL);
1999 break;
2000 case NOT_EQUAL:
2001 obcr_value |= OBCR_BP_0(OBCR_BP_CC_NOT_EQUAL);
2002 break;
2003 case LESS_THAN:
2004 obcr_value |= OBCR_BP_0(OBCR_BP_CC_LESS_THAN);
2005 break;
2006 case GREATER:
2007 obcr_value |= OBCR_BP_0(OBCR_BP_CC_GREATER_THAN);
2008 break;
2009 default:
2010 LOG_ERROR("Unsupported condition code (%d)", cond);
2011 err = ERROR_TARGET_INVALID;
2012 }
2013 }
2014
2015 if (err == ERROR_OK)
2016 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR0, address);
2017
2018 if (err == ERROR_OK)
2019 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR1, 0x0);
2020
2021 if (err == ERROR_OK)
2022 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, obcr_value);
2023
2024 if (err == ERROR_OK) {
2025 /* You should write the memory breakpoint counter to 0 */
2026 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMBC, 0);
2027 }
2028
2029 if (err == ERROR_OK) {
2030 /* You should write the memory breakpoint counter to 0 */
2031 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OTC, 0);
2032 }
2033
2034 if (err == ERROR_OK)
2035 dsp563xx->hardware_breakpoint[0].used = BPU_WATCHPOINT;
2036
2037 if (err == ERROR_OK && wasRunning) {
2038 /* Resume from current PC */
2039 err = dsp563xx_resume(target, 1, 0x0, 0, 0);
2040 }
2041
2042 return err;
2043 }
2044
2045 static int dsp563xx_remove_custom_watchpoint(struct target *target)
2046 {
2047 int err = ERROR_OK;
2048 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
2049
2050 if (dsp563xx->hardware_breakpoint[0].used != BPU_WATCHPOINT) {
2051 LOG_ERROR("Cannot remove watchpoint, as no watchpoint is currently configured!");
2052 err = ERROR_TARGET_INVALID;
2053 }
2054
2055 if (err == ERROR_OK) {
2056 /* Clear watchpoint by clearing OBCR. */
2057 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, 0);
2058 }
2059
2060 if (err == ERROR_OK)
2061 dsp563xx->hardware_breakpoint[0].used = BPU_NONE;
2062
2063 return err;
2064 }
2065
2066 COMMAND_HANDLER(dsp563xx_add_watchpoint_command)
2067 {
2068 int err = ERROR_OK;
2069 struct target *target = get_current_target(CMD_CTX);
2070
2071 uint32_t mem_type = 0;
2072 switch (CMD_NAME[2]) {
2073 case 'x':
2074 mem_type = MEM_X;
2075 break;
2076 case 'y':
2077 mem_type = MEM_Y;
2078 break;
2079 case 'p':
2080 mem_type = MEM_P;
2081 break;
2082 default:
2083 return ERROR_COMMAND_SYNTAX_ERROR;
2084 }
2085
2086 if (CMD_ARGC < 2)
2087 return ERROR_COMMAND_SYNTAX_ERROR;
2088
2089 uint32_t address = 0;
2090 if (CMD_ARGC > 2)
2091 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
2092
2093 enum watchpoint_condition cond;
2094 switch (CMD_ARGV[0][0]) {
2095 case '>':
2096 cond = GREATER;
2097 break;
2098 case '<':
2099 cond = LESS_THAN;
2100 break;
2101 case '=':
2102 cond = EQUAL;
2103 break;
2104 case '!':
2105 cond = NOT_EQUAL;
2106 break;
2107 default:
2108 return ERROR_COMMAND_SYNTAX_ERROR;
2109 }
2110
2111 enum watchpoint_rw rw;
2112 switch (CMD_ARGV[1][0]) {
2113 case 'r':
2114 rw = WPT_READ;
2115 break;
2116 case 'w':
2117 rw = WPT_WRITE;
2118 break;
2119 case 'a':
2120 rw = WPT_ACCESS;
2121 break;
2122 default:
2123 return ERROR_COMMAND_SYNTAX_ERROR;
2124 }
2125
2126 err = dsp563xx_add_custom_watchpoint(target, address, mem_type, rw, cond);
2127
2128 return err;
2129 }
2130
2131 /* Adding a breakpoint using the once breakpoint logic.
2132 * Note that this mechanism is a true hw breakpoint and is share between the watchpoint logic.
2133 * This means, you can only have one breakpoint/watchpoint at any time.
2134 */
2135 static int dsp563xx_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
2136 {
2137 return dsp563xx_add_custom_watchpoint(target, breakpoint->address, MEM_P, WPT_READ, EQUAL);
2138 }
2139
2140 static int dsp563xx_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
2141 {
2142 return dsp563xx_remove_custom_watchpoint(target);
2143 }
2144
2145 COMMAND_HANDLER(dsp563xx_remove_watchpoint_command)
2146 {
2147 struct target *target = get_current_target(CMD_CTX);
2148
2149 return dsp563xx_remove_custom_watchpoint(target);
2150 }
2151
2152 COMMAND_HANDLER(dsp563xx_mem_command)
2153 {
2154 struct target *target = get_current_target(CMD_CTX);
2155 int err = ERROR_OK;
2156 int read_mem;
2157 uint32_t address = 0;
2158 uint32_t count = 1, i;
2159 uint32_t pattern = 0;
2160 uint32_t mem_type;
2161 uint8_t *buffer, *b;
2162
2163 switch (CMD_NAME[1]) {
2164 case 'w':
2165 read_mem = 0;
2166 break;
2167 case 'd':
2168 read_mem = 1;
2169 break;
2170 default:
2171 return ERROR_COMMAND_SYNTAX_ERROR;
2172 }
2173
2174 switch (CMD_NAME[3]) {
2175 case 'x':
2176 mem_type = MEM_X;
2177 break;
2178 case 'y':
2179 mem_type = MEM_Y;
2180 break;
2181 case 'p':
2182 mem_type = MEM_P;
2183 break;
2184 default:
2185 return ERROR_COMMAND_SYNTAX_ERROR;
2186 }
2187
2188 if (CMD_ARGC > 0)
2189 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2190
2191 if (read_mem == 0) {
2192 if (CMD_ARGC < 2)
2193 return ERROR_COMMAND_SYNTAX_ERROR;
2194 if (CMD_ARGC > 1)
2195 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
2196 if (CMD_ARGC > 2)
2197 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
2198 }
2199
2200 if (read_mem == 1) {
2201 if (CMD_ARGC < 1)
2202 return ERROR_COMMAND_SYNTAX_ERROR;
2203 if (CMD_ARGC > 1)
2204 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
2205 }
2206
2207 buffer = calloc(count, sizeof(uint32_t));
2208
2209 if (read_mem == 1) {
2210 err = dsp563xx_read_memory(target, mem_type, address, sizeof(uint32_t),
2211 count, buffer);
2212 if (err == ERROR_OK)
2213 handle_md_output(CMD_CTX, target, address, sizeof(uint32_t), count, buffer);
2214
2215 } else {
2216 b = buffer;
2217
2218 for (i = 0; i < count; i++) {
2219 target_buffer_set_u32(target, b, pattern);
2220 b += 4;
2221 }
2222
2223 err = dsp563xx_write_memory(target,
2224 mem_type,
2225 address,
2226 sizeof(uint32_t),
2227 count,
2228 buffer);
2229 }
2230
2231 free(buffer);
2232
2233 return err;
2234 }
2235
2236 static const struct command_registration dsp563xx_command_handlers[] = {
2237 {
2238 .name = "mwwx",
2239 .handler = dsp563xx_mem_command,
2240 .mode = COMMAND_EXEC,
2241 .help = "write x memory words",
2242 .usage = "address value [count]",
2243 },
2244 {
2245 .name = "mwwy",
2246 .handler = dsp563xx_mem_command,
2247 .mode = COMMAND_EXEC,
2248 .help = "write y memory words",
2249 .usage = "address value [count]",
2250 },
2251 {
2252 .name = "mwwp",
2253 .handler = dsp563xx_mem_command,
2254 .mode = COMMAND_EXEC,
2255 .help = "write p memory words",
2256 .usage = "address value [count]",
2257 },
2258 {
2259 .name = "mdwx",
2260 .handler = dsp563xx_mem_command,
2261 .mode = COMMAND_EXEC,
2262 .help = "display x memory words",
2263 .usage = "address [count]",
2264 },
2265 {
2266 .name = "mdwy",
2267 .handler = dsp563xx_mem_command,
2268 .mode = COMMAND_EXEC,
2269 .help = "display y memory words",
2270 .usage = "address [count]",
2271 },
2272 {
2273 .name = "mdwp",
2274 .handler = dsp563xx_mem_command,
2275 .mode = COMMAND_EXEC,
2276 .help = "display p memory words",
2277 .usage = "address [count]",
2278 },
2279 /*
2280 * Watchpoint commands
2281 */
2282 {
2283 .name = "wpp",
2284 .handler = dsp563xx_add_watchpoint_command,
2285 .mode = COMMAND_EXEC,
2286 .help = "Create p memspace watchpoint",
2287 .usage = "(>|<|=|!) (r|w|a) address",
2288 },
2289 {
2290 .name = "wpx",
2291 .handler = dsp563xx_add_watchpoint_command,
2292 .mode = COMMAND_EXEC,
2293 .help = "Create x memspace watchpoint",
2294 .usage = "(>|<|=|!) (r|w|a) address",
2295 },
2296 {
2297 .name = "wpy",
2298 .handler = dsp563xx_add_watchpoint_command,
2299 .mode = COMMAND_EXEC,
2300 .help = "Create y memspace watchpoint",
2301 .usage = "(>|<|=|!) (r|w|a) address",
2302 },
2303 {
2304 .name = "rwpc",
2305 .handler = dsp563xx_remove_watchpoint_command,
2306 .mode = COMMAND_EXEC,
2307 .help = "remove watchpoint custom",
2308 .usage = " ",
2309 },
2310 COMMAND_REGISTRATION_DONE
2311 };
2312
2313 /** Holds methods for DSP563XX targets. */
2314 struct target_type dsp563xx_target = {
2315 .name = "dsp563xx",
2316
2317 .poll = dsp563xx_poll,
2318 .arch_state = dsp563xx_arch_state,
2319
2320 .target_request_data = NULL,
2321
2322 .get_gdb_reg_list = dsp563xx_get_gdb_reg_list,
2323
2324 .halt = dsp563xx_halt,
2325 .resume = dsp563xx_resume,
2326 .step = dsp563xx_step,
2327
2328 .assert_reset = dsp563xx_assert_reset,
2329 .deassert_reset = dsp563xx_deassert_reset,
2330 .soft_reset_halt = dsp563xx_soft_reset_halt,
2331
2332 .read_memory = dsp563xx_read_memory_default,
2333 .write_memory = dsp563xx_write_memory_default,
2334
2335 .read_buffer = dsp563xx_read_buffer_default,
2336 .write_buffer = dsp563xx_write_buffer_default,
2337
2338 .run_algorithm = dsp563xx_run_algorithm,
2339
2340 .add_breakpoint = dsp563xx_add_breakpoint,
2341 .remove_breakpoint = dsp563xx_remove_breakpoint,
2342 .add_watchpoint = dsp563xx_add_watchpoint,
2343 .remove_watchpoint = dsp563xx_remove_watchpoint,
2344
2345 .commands = dsp563xx_command_handlers,
2346 .target_create = dsp563xx_target_create,
2347 .init_target = dsp563xx_init_target,
2348 .examine = dsp563xx_examine,
2349 };
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