1 /***************************************************************************
2 * Copyright (C) 2009-2011 by Mathias Kuester *
3 * mkdorg@users.sourceforge.net *
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. *
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. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
26 #include "breakpoints.h"
27 #include "target_type.h"
28 #include "algorithm.h"
31 #include "dsp563xx_once.h"
33 #define ASM_REG_W_R0 0x60F400
34 #define ASM_REG_W_R1 0x61F400
35 #define ASM_REG_W_R2 0x62F400
36 #define ASM_REG_W_R3 0x63F400
37 #define ASM_REG_W_R4 0x64F400
38 #define ASM_REG_W_R5 0x65F400
39 #define ASM_REG_W_R6 0x66F400
40 #define ASM_REG_W_R7 0x67F400
42 #define ASM_REG_W_N0 0x70F400
43 #define ASM_REG_W_N1 0x71F400
44 #define ASM_REG_W_N2 0x72F400
45 #define ASM_REG_W_N3 0x73F400
46 #define ASM_REG_W_N4 0x74F400
47 #define ASM_REG_W_N5 0x75F400
48 #define ASM_REG_W_N6 0x76F400
49 #define ASM_REG_W_N7 0x77F400
51 #define ASM_REG_W_M0 0x05F420
52 #define ASM_REG_W_M1 0x05F421
53 #define ASM_REG_W_M2 0x05F422
54 #define ASM_REG_W_M3 0x05F423
55 #define ASM_REG_W_M4 0x05F424
56 #define ASM_REG_W_M5 0x05F425
57 #define ASM_REG_W_M6 0x05F426
58 #define ASM_REG_W_M7 0x05F427
60 #define ASM_REG_W_X0 0x44F400
61 #define ASM_REG_W_X1 0x45F400
63 #define ASM_REG_W_Y0 0x46F400
64 #define ASM_REG_W_Y1 0x47F400
66 #define ASM_REG_W_A0 0x50F400
67 #define ASM_REG_W_A1 0x54F400
68 #define ASM_REG_W_A2 0x52F400
70 #define ASM_REG_W_B0 0x51F400
71 #define ASM_REG_W_B1 0x55F400
72 #define ASM_REG_W_B2 0x53F400
74 #define ASM_REG_W_VBA 0x05F430
75 #define ASM_REG_W_OMR 0x05F43A
76 #define ASM_REG_W_EP 0x05F42A
77 #define ASM_REG_W_SC 0x05F431
78 #define ASM_REG_W_SZ 0x05F438
79 #define ASM_REG_W_SR 0x05F439
80 #define ASM_REG_W_SP 0x05F43B
81 #define ASM_REG_W_SSH 0x05F43C
82 #define ASM_REG_W_SSL 0x05F43D
83 #define ASM_REG_W_LA 0x05F43E
84 #define ASM_REG_W_LC 0x05F43F
85 #define ASM_REG_W_PC 0x000000
86 #define ASM_REG_W_IPRC 0xFFFFFF
87 #define ASM_REG_W_IPRP 0xFFFFFE
89 #define ASM_REG_W_BCR 0xFFFFFB
90 #define ASM_REG_W_DCR 0xFFFFFA
91 #define ASM_REG_W_AAR0 0xFFFFF9
92 #define ASM_REG_W_AAR1 0xFFFFF8
93 #define ASM_REG_W_AAR2 0xFFFFF7
94 #define ASM_REG_W_AAR3 0xFFFFF6
97 * OBCR Register bit definitions
99 #define OBCR_b0_and_b1 ((0x0) << 10)
100 #define OBCR_b0_or_b1 ((0x1) << 10)
101 #define OBCR_b1_after_b0 ((0x2) << 10)
102 #define OBCR_b0_after_b1 ((0x3) << 10)
104 #define OBCR_BP_DISABLED (0x0)
105 #define OBCR_BP_MEM_P (0x1)
106 #define OBCR_BP_MEM_X (0x2)
107 #define OBCR_BP_MEM_Y (0x3)
108 #define OBCR_BP_ON_READ ((0x2) << 0)
109 #define OBCR_BP_ON_WRITE ((0x1) << 0)
110 #define OBCR_BP_CC_NOT_EQUAL ((0x0) << 2)
111 #define OBCR_BP_CC_EQUAL ((0x1) << 2)
112 #define OBCR_BP_CC_LESS_THAN ((0x2) << 2)
113 #define OBCR_BP_CC_GREATER_THAN ((0x3) << 2)
115 #define OBCR_BP_0(x) ((x)<<2)
116 #define OBCR_BP_1(x) ((x)<<6)
120 ONCE_REG_IDX_OSCR = 0,
121 ONCE_REG_IDX_OMBC = 1,
122 ONCE_REG_IDX_OBCR = 2,
123 ONCE_REG_IDX_OMLR0 = 3,
124 ONCE_REG_IDX_OMLR1 = 4,
125 ONCE_REG_IDX_OGDBR = 5,
126 ONCE_REG_IDX_OPDBR = 6,
127 ONCE_REG_IDX_OPILR = 7,
128 ONCE_REG_IDX_PDB = 8,
129 ONCE_REG_IDX_OTC = 9,
130 ONCE_REG_IDX_OPABFR = 10,
131 ONCE_REG_IDX_OPABDR = 11,
132 ONCE_REG_IDX_OPABEX = 12,
133 ONCE_REG_IDX_OPABF0 = 13,
134 ONCE_REG_IDX_OPABF1 = 14,
135 ONCE_REG_IDX_OPABF2 = 15,
136 ONCE_REG_IDX_OPABF3 = 16,
137 ONCE_REG_IDX_OPABF4 = 17,
138 ONCE_REG_IDX_OPABF5 = 18,
139 ONCE_REG_IDX_OPABF6 = 19,
140 ONCE_REG_IDX_OPABF7 = 20,
141 ONCE_REG_IDX_OPABF8 = 21,
142 ONCE_REG_IDX_OPABF9 = 22,
143 ONCE_REG_IDX_OPABF10 = 23,
144 ONCE_REG_IDX_OPABF11 = 24,
147 static struct once_reg once_regs[] = {
148 {ONCE_REG_IDX_OSCR, DSP563XX_ONCE_OSCR, 24, "OSCR", 0},
149 {ONCE_REG_IDX_OMBC, DSP563XX_ONCE_OMBC, 24, "OMBC", 0},
150 {ONCE_REG_IDX_OBCR, DSP563XX_ONCE_OBCR, 24, "OBCR", 0},
151 {ONCE_REG_IDX_OMLR0, DSP563XX_ONCE_OMLR0, 24, "OMLR0", 0},
152 {ONCE_REG_IDX_OMLR1, DSP563XX_ONCE_OMLR1, 24, "OMLR1", 0},
153 {ONCE_REG_IDX_OGDBR, DSP563XX_ONCE_OGDBR, 24, "OGDBR", 0},
154 {ONCE_REG_IDX_OPDBR, DSP563XX_ONCE_OPDBR, 24, "OPDBR", 0},
155 {ONCE_REG_IDX_OPILR, DSP563XX_ONCE_OPILR, 24, "OPILR", 0},
156 {ONCE_REG_IDX_PDB, DSP563XX_ONCE_PDBGOTO, 24, "PDB", 0},
157 {ONCE_REG_IDX_OTC, DSP563XX_ONCE_OTC, 24, "OTC", 0},
158 {ONCE_REG_IDX_OPABFR, DSP563XX_ONCE_OPABFR, 24, "OPABFR", 0},
159 {ONCE_REG_IDX_OPABDR, DSP563XX_ONCE_OPABDR, 24, "OPABDR", 0},
160 {ONCE_REG_IDX_OPABEX, DSP563XX_ONCE_OPABEX, 24, "OPABEX", 0},
161 {ONCE_REG_IDX_OPABF0, DSP563XX_ONCE_OPABF11, 25, "OPABF0", 0},
162 {ONCE_REG_IDX_OPABF1, DSP563XX_ONCE_OPABF11, 25, "OPABF1", 0},
163 {ONCE_REG_IDX_OPABF2, DSP563XX_ONCE_OPABF11, 25, "OPABF2", 0},
164 {ONCE_REG_IDX_OPABF3, DSP563XX_ONCE_OPABF11, 25, "OPABF3", 0},
165 {ONCE_REG_IDX_OPABF4, DSP563XX_ONCE_OPABF11, 25, "OPABF4", 0},
166 {ONCE_REG_IDX_OPABF5, DSP563XX_ONCE_OPABF11, 25, "OPABF5", 0},
167 {ONCE_REG_IDX_OPABF6, DSP563XX_ONCE_OPABF11, 25, "OPABF6", 0},
168 {ONCE_REG_IDX_OPABF7, DSP563XX_ONCE_OPABF11, 25, "OPABF7", 0},
169 {ONCE_REG_IDX_OPABF8, DSP563XX_ONCE_OPABF11, 25, "OPABF8", 0},
170 {ONCE_REG_IDX_OPABF9, DSP563XX_ONCE_OPABF11, 25, "OPABF9", 0},
171 {ONCE_REG_IDX_OPABF10, DSP563XX_ONCE_OPABF11, 25, "OPABF10", 0},
172 {ONCE_REG_IDX_OPABF11, DSP563XX_ONCE_OPABF11, 25, "OPABF11", 0},
173 /* {25,0x1f,24,"NRSEL",0}, */
176 enum dsp563xx_reg_idx {
177 DSP563XX_REG_IDX_R0 = 0,
178 DSP563XX_REG_IDX_R1 = 1,
179 DSP563XX_REG_IDX_R2 = 2,
180 DSP563XX_REG_IDX_R3 = 3,
181 DSP563XX_REG_IDX_R4 = 4,
182 DSP563XX_REG_IDX_R5 = 5,
183 DSP563XX_REG_IDX_R6 = 6,
184 DSP563XX_REG_IDX_R7 = 7,
185 DSP563XX_REG_IDX_N0 = 8,
186 DSP563XX_REG_IDX_N1 = 9,
187 DSP563XX_REG_IDX_N2 = 10,
188 DSP563XX_REG_IDX_N3 = 11,
189 DSP563XX_REG_IDX_N4 = 12,
190 DSP563XX_REG_IDX_N5 = 13,
191 DSP563XX_REG_IDX_N6 = 14,
192 DSP563XX_REG_IDX_N7 = 15,
193 DSP563XX_REG_IDX_M0 = 16,
194 DSP563XX_REG_IDX_M1 = 17,
195 DSP563XX_REG_IDX_M2 = 18,
196 DSP563XX_REG_IDX_M3 = 19,
197 DSP563XX_REG_IDX_M4 = 20,
198 DSP563XX_REG_IDX_M5 = 21,
199 DSP563XX_REG_IDX_M6 = 22,
200 DSP563XX_REG_IDX_M7 = 23,
201 DSP563XX_REG_IDX_X0 = 24,
202 DSP563XX_REG_IDX_X1 = 25,
203 DSP563XX_REG_IDX_Y0 = 26,
204 DSP563XX_REG_IDX_Y1 = 27,
205 DSP563XX_REG_IDX_A0 = 28,
206 DSP563XX_REG_IDX_A1 = 29,
207 DSP563XX_REG_IDX_A2 = 30,
208 DSP563XX_REG_IDX_B0 = 31,
209 DSP563XX_REG_IDX_B1 = 32,
210 DSP563XX_REG_IDX_B2 = 33,
211 DSP563XX_REG_IDX_SSH = 34,
212 DSP563XX_REG_IDX_SSL = 35,
213 DSP563XX_REG_IDX_SP = 36,
214 DSP563XX_REG_IDX_EP = 37,
215 DSP563XX_REG_IDX_SZ = 38,
216 DSP563XX_REG_IDX_SC = 39,
217 DSP563XX_REG_IDX_PC = 40,
218 DSP563XX_REG_IDX_SR = 41,
219 DSP563XX_REG_IDX_OMR = 42,
220 DSP563XX_REG_IDX_LA = 43,
221 DSP563XX_REG_IDX_LC = 44,
222 DSP563XX_REG_IDX_VBA = 45,
223 DSP563XX_REG_IDX_IPRC = 46,
224 DSP563XX_REG_IDX_IPRP = 47,
225 DSP563XX_REG_IDX_BCR = 48,
226 DSP563XX_REG_IDX_DCR = 49,
227 DSP563XX_REG_IDX_AAR0 = 50,
228 DSP563XX_REG_IDX_AAR1 = 51,
229 DSP563XX_REG_IDX_AAR2 = 52,
230 DSP563XX_REG_IDX_AAR3 = 53,
233 static const struct {
237 /* effective addressing mode encoding */
240 } dsp563xx_regs[] = {
242 /* address registers */
243 {DSP563XX_REG_IDX_R0, "r0", 24, 0x10, ASM_REG_W_R0},
244 {DSP563XX_REG_IDX_R1, "r1", 24, 0x11, ASM_REG_W_R1},
245 {DSP563XX_REG_IDX_R2, "r2", 24, 0x12, ASM_REG_W_R2},
246 {DSP563XX_REG_IDX_R3, "r3", 24, 0x13, ASM_REG_W_R3},
247 {DSP563XX_REG_IDX_R4, "r4", 24, 0x14, ASM_REG_W_R4},
248 {DSP563XX_REG_IDX_R5, "r5", 24, 0x15, ASM_REG_W_R5},
249 {DSP563XX_REG_IDX_R6, "r6", 24, 0x16, ASM_REG_W_R6},
250 {DSP563XX_REG_IDX_R7, "r7", 24, 0x17, ASM_REG_W_R7},
251 /* offset registers */
252 {DSP563XX_REG_IDX_N0, "n0", 24, 0x18, ASM_REG_W_N0},
253 {DSP563XX_REG_IDX_N1, "n1", 24, 0x19, ASM_REG_W_N1},
254 {DSP563XX_REG_IDX_N2, "n2", 24, 0x1a, ASM_REG_W_N2},
255 {DSP563XX_REG_IDX_N3, "n3", 24, 0x1b, ASM_REG_W_N3},
256 {DSP563XX_REG_IDX_N4, "n4", 24, 0x1c, ASM_REG_W_N4},
257 {DSP563XX_REG_IDX_N5, "n5", 24, 0x1d, ASM_REG_W_N5},
258 {DSP563XX_REG_IDX_N6, "n6", 24, 0x1e, ASM_REG_W_N6},
259 {DSP563XX_REG_IDX_N7, "n7", 24, 0x1f, ASM_REG_W_N7},
260 /* modifier registers */
261 {DSP563XX_REG_IDX_M0, "m0", 24, 0x20, ASM_REG_W_M0},
262 {DSP563XX_REG_IDX_M1, "m1", 24, 0x21, ASM_REG_W_M1},
263 {DSP563XX_REG_IDX_M2, "m2", 24, 0x22, ASM_REG_W_M2},
264 {DSP563XX_REG_IDX_M3, "m3", 24, 0x23, ASM_REG_W_M3},
265 {DSP563XX_REG_IDX_M4, "m4", 24, 0x24, ASM_REG_W_M4},
266 {DSP563XX_REG_IDX_M5, "m5", 24, 0x25, ASM_REG_W_M5},
267 {DSP563XX_REG_IDX_M6, "m6", 24, 0x26, ASM_REG_W_M6},
268 {DSP563XX_REG_IDX_M7, "m7", 24, 0x27, ASM_REG_W_M7},
269 /* data alu input register */
270 {DSP563XX_REG_IDX_X0, "x0", 24, 0x04, ASM_REG_W_X0},
271 {DSP563XX_REG_IDX_X1, "x1", 24, 0x05, ASM_REG_W_X1},
272 {DSP563XX_REG_IDX_Y0, "y0", 24, 0x06, ASM_REG_W_Y0},
273 {DSP563XX_REG_IDX_Y1, "y1", 24, 0x07, ASM_REG_W_Y1},
274 /* data alu accumulator register */
275 {DSP563XX_REG_IDX_A0, "a0", 24, 0x08, ASM_REG_W_A0},
276 {DSP563XX_REG_IDX_A1, "a1", 24, 0x0c, ASM_REG_W_A1},
277 {DSP563XX_REG_IDX_A2, "a2", 8, 0x0a, ASM_REG_W_A2},
278 {DSP563XX_REG_IDX_B0, "b0", 24, 0x09, ASM_REG_W_B0},
279 {DSP563XX_REG_IDX_B1, "b1", 24, 0x0d, ASM_REG_W_B1},
280 {DSP563XX_REG_IDX_B2, "b2", 8, 0x0b, ASM_REG_W_B2},
282 {DSP563XX_REG_IDX_SSH, "ssh", 24, 0x3c, ASM_REG_W_SSH},
283 {DSP563XX_REG_IDX_SSL, "ssl", 24, 0x3d, ASM_REG_W_SSL},
284 {DSP563XX_REG_IDX_SP, "sp", 24, 0x3b, ASM_REG_W_SP},
285 {DSP563XX_REG_IDX_EP, "ep", 24, 0x2a, ASM_REG_W_EP},
286 {DSP563XX_REG_IDX_SZ, "sz", 24, 0x38, ASM_REG_W_SZ},
287 {DSP563XX_REG_IDX_SC, "sc", 24, 0x31, ASM_REG_W_SC},
289 {DSP563XX_REG_IDX_PC, "pc", 24, 0x00, ASM_REG_W_PC},
290 {DSP563XX_REG_IDX_SR, "sr", 24, 0x39, ASM_REG_W_SR},
291 {DSP563XX_REG_IDX_OMR, "omr", 24, 0x3a, ASM_REG_W_OMR},
292 {DSP563XX_REG_IDX_LA, "la", 24, 0x3e, ASM_REG_W_LA},
293 {DSP563XX_REG_IDX_LC, "lc", 24, 0x3f, ASM_REG_W_LC},
295 {DSP563XX_REG_IDX_VBA, "vba", 24, 0x30, ASM_REG_W_VBA},
296 {DSP563XX_REG_IDX_IPRC, "iprc", 24, 0x00, ASM_REG_W_IPRC},
297 {DSP563XX_REG_IDX_IPRP, "iprp", 24, 0x00, ASM_REG_W_IPRP},
299 {DSP563XX_REG_IDX_BCR, "bcr", 24, 0x00, ASM_REG_W_BCR},
300 {DSP563XX_REG_IDX_DCR, "dcr", 24, 0x00, ASM_REG_W_DCR},
301 {DSP563XX_REG_IDX_AAR0, "aar0", 24, 0x00, ASM_REG_W_AAR0},
302 {DSP563XX_REG_IDX_AAR1, "aar1", 24, 0x00, ASM_REG_W_AAR1},
303 {DSP563XX_REG_IDX_AAR2, "aar2", 24, 0x00, ASM_REG_W_AAR2},
304 {DSP563XX_REG_IDX_AAR3, "aar3", 24, 0x00, ASM_REG_W_AAR3},
315 enum watchpoint_condition {
322 #define INSTR_JUMP 0x0AF080
323 /* Effective Addressing Mode Encoding */
325 /* instruction encoder */
327 * s - peripheral space X/Y (X=0,Y=1)
329 * d - source/destination register
330 * p - IO short address
332 #define INSTR_MOVEP_REG_HIO(s, w, d, p) (0x084000 | \
333 ((s & 1) << 16) | ((w & 1) << 15) | ((d & 0x3f) << 8) | (p & 0x3f))
335 /* the gdb register list is send in this order */
336 static const uint8_t gdb_reg_list_idx[] = {
337 DSP563XX_REG_IDX_X1, DSP563XX_REG_IDX_X0, DSP563XX_REG_IDX_Y1, DSP563XX_REG_IDX_Y0,
338 DSP563XX_REG_IDX_A2, DSP563XX_REG_IDX_A1, DSP563XX_REG_IDX_A0, DSP563XX_REG_IDX_B2,
339 DSP563XX_REG_IDX_B1, DSP563XX_REG_IDX_B0, DSP563XX_REG_IDX_PC, DSP563XX_REG_IDX_SR,
340 DSP563XX_REG_IDX_OMR, DSP563XX_REG_IDX_LA, DSP563XX_REG_IDX_LC, DSP563XX_REG_IDX_SSH,
341 DSP563XX_REG_IDX_SSL, DSP563XX_REG_IDX_SP, DSP563XX_REG_IDX_EP, DSP563XX_REG_IDX_SZ,
342 DSP563XX_REG_IDX_SC, DSP563XX_REG_IDX_VBA, DSP563XX_REG_IDX_IPRC, DSP563XX_REG_IDX_IPRP,
343 DSP563XX_REG_IDX_BCR, DSP563XX_REG_IDX_DCR, DSP563XX_REG_IDX_AAR0, DSP563XX_REG_IDX_AAR1,
344 DSP563XX_REG_IDX_AAR2, DSP563XX_REG_IDX_AAR3, DSP563XX_REG_IDX_R0, DSP563XX_REG_IDX_R1,
345 DSP563XX_REG_IDX_R2, DSP563XX_REG_IDX_R3, DSP563XX_REG_IDX_R4, DSP563XX_REG_IDX_R5,
346 DSP563XX_REG_IDX_R6, DSP563XX_REG_IDX_R7, DSP563XX_REG_IDX_N0, DSP563XX_REG_IDX_N1,
347 DSP563XX_REG_IDX_N2, DSP563XX_REG_IDX_N3, DSP563XX_REG_IDX_N4, DSP563XX_REG_IDX_N5,
348 DSP563XX_REG_IDX_N6, DSP563XX_REG_IDX_N7, DSP563XX_REG_IDX_M0, DSP563XX_REG_IDX_M1,
349 DSP563XX_REG_IDX_M2, DSP563XX_REG_IDX_M3, DSP563XX_REG_IDX_M4, DSP563XX_REG_IDX_M5,
350 DSP563XX_REG_IDX_M6, DSP563XX_REG_IDX_M7,
353 static int dsp563xx_get_gdb_reg_list(struct target *target,
354 struct reg **reg_list[],
356 enum target_register_class reg_class)
359 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
361 if (target->state != TARGET_HALTED)
362 return ERROR_TARGET_NOT_HALTED;
364 *reg_list_size = DSP563XX_NUMCOREREGS;
365 *reg_list = malloc(sizeof(struct reg *) * (*reg_list_size));
368 return ERROR_COMMAND_SYNTAX_ERROR;
370 for (i = 0; i < DSP563XX_NUMCOREREGS; i++)
371 (*reg_list)[i] = &dsp563xx->core_cache->reg_list[gdb_reg_list_idx[i]];
377 static int dsp563xx_read_core_reg(struct target *target, int num)
380 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
382 if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
383 return ERROR_COMMAND_SYNTAX_ERROR;
385 reg_value = dsp563xx->core_regs[num];
386 buf_set_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32, reg_value);
387 dsp563xx->core_cache->reg_list[num].valid = true;
388 dsp563xx->core_cache->reg_list[num].dirty = false;
393 static int dsp563xx_write_core_reg(struct target *target, int num)
396 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
398 if ((num < 0) || (num >= DSP563XX_NUMCOREREGS))
399 return ERROR_COMMAND_SYNTAX_ERROR;
401 reg_value = buf_get_u32(dsp563xx->core_cache->reg_list[num].value, 0, 32);
402 dsp563xx->core_regs[num] = reg_value;
403 dsp563xx->core_cache->reg_list[num].valid = true;
404 dsp563xx->core_cache->reg_list[num].dirty = false;
409 static int dsp563xx_get_core_reg(struct reg *reg)
411 struct dsp563xx_core_reg *dsp563xx_reg = reg->arch_info;
412 struct target *target = dsp563xx_reg->target;
413 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
415 LOG_DEBUG("%s", __func__);
417 if (target->state != TARGET_HALTED)
418 return ERROR_TARGET_NOT_HALTED;
420 return dsp563xx->read_core_reg(target, dsp563xx_reg->num);
423 static int dsp563xx_set_core_reg(struct reg *reg, uint8_t *buf)
425 LOG_DEBUG("%s", __func__);
427 struct dsp563xx_core_reg *dsp563xx_reg = reg->arch_info;
428 struct target *target = dsp563xx_reg->target;
429 uint32_t value = buf_get_u32(buf, 0, 32);
431 if (target->state != TARGET_HALTED)
432 return ERROR_TARGET_NOT_HALTED;
434 buf_set_u32(reg->value, 0, reg->size, value);
441 static const struct reg_arch_type dsp563xx_reg_type = {
442 .get = dsp563xx_get_core_reg,
443 .set = dsp563xx_set_core_reg,
446 static void dsp563xx_build_reg_cache(struct target *target)
448 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
450 struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
451 struct reg_cache *cache = malloc(sizeof(struct reg_cache));
452 struct reg *reg_list = calloc(DSP563XX_NUMCOREREGS, sizeof(struct reg));
453 struct dsp563xx_core_reg *arch_info = malloc(
454 sizeof(struct dsp563xx_core_reg) * DSP563XX_NUMCOREREGS);
457 /* Build the process context cache */
458 cache->name = "dsp563xx registers";
460 cache->reg_list = reg_list;
461 cache->num_regs = DSP563XX_NUMCOREREGS;
463 dsp563xx->core_cache = cache;
465 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
466 arch_info[i].num = dsp563xx_regs[i].id;
467 arch_info[i].name = dsp563xx_regs[i].name;
468 arch_info[i].size = dsp563xx_regs[i].bits;
469 arch_info[i].eame = dsp563xx_regs[i].eame;
470 arch_info[i].instr_mask = dsp563xx_regs[i].instr_mask;
471 arch_info[i].target = target;
472 arch_info[i].dsp563xx_common = dsp563xx;
473 reg_list[i].name = dsp563xx_regs[i].name;
474 reg_list[i].size = 32; /* dsp563xx_regs[i].bits; */
475 reg_list[i].value = calloc(1, 4);
476 reg_list[i].dirty = false;
477 reg_list[i].valid = false;
478 reg_list[i].exist = true;
479 reg_list[i].type = &dsp563xx_reg_type;
480 reg_list[i].arch_info = &arch_info[i];
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);
487 static int dsp563xx_reg_read_high_io(struct target *target, uint32_t instr_mask, uint32_t *data)
491 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
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);
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);
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);
507 /* read debug register */
508 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data);
511 /* r0 is no longer valid on target */
512 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = true;
517 static int dsp563xx_reg_write_high_io(struct target *target, uint32_t instr_mask, uint32_t data)
521 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
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);
527 /* move data to r0 */
528 err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x60F400, data);
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);
537 /* r0 is no longer valid on target */
538 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = true;
543 static int dsp563xx_reg_read(struct target *target, uint32_t eame, uint32_t *data)
548 instr = INSTR_MOVEP_REG_HIO(MEM_X, 1, eame, 0xfffffc);
549 err = dsp563xx_once_execute_sw_ir(target->tap, 0, instr);
553 err = dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000);
556 /* read debug register */
557 return dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OGDBR, data);
560 static int dsp563xx_reg_write(struct target *target, uint32_t instr_mask, uint32_t data)
564 err = dsp563xx_once_execute_dw_ir(target->tap, 0, instr_mask, data);
568 return dsp563xx_once_execute_sw_ir(target->tap, 1, 0x000000);
571 static int dsp563xx_reg_pc_read(struct target *target)
573 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
575 /* pc was changed, nothing todo */
576 if (dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_PC].dirty)
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%" PRIx32 " 0x%" PRIx32 " 0x%" PRIx32 ")",
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);
588 /* TODO: use disassembly to set correct pc offset
589 * read 2 words from OPABF11 and disasm the instruction
591 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] =
592 (once_regs[ONCE_REG_IDX_OPABF11].reg >> 1) & 0x00FFFFFF;
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;
599 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] =
600 once_regs[ONCE_REG_IDX_OPABEX].reg - 1;
603 dsp563xx->core_regs[DSP563XX_REG_IDX_PC] = once_regs[ONCE_REG_IDX_OPABEX].reg;
605 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_PC);
610 static int dsp563xx_reg_ssh_read(struct target *target)
614 struct dsp563xx_core_reg *arch_info;
615 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
617 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
619 /* get a valid stack pointer */
620 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
623 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
624 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 0);
628 /* get a valid stack count */
629 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SC, 0);
633 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 0);
637 /* get a valid extended pointer */
638 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_EP, 0);
642 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 0);
649 err = dsp563xx_reg_read(target, arch_info->eame, &sp);
653 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SC, 1);
656 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1);
659 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_EP, 1);
664 dsp563xx->core_regs[DSP563XX_REG_IDX_SSH] = sp;
665 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSH);
670 static int dsp563xx_reg_ssh_write(struct target *target)
674 struct dsp563xx_core_reg *arch_info;
675 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
677 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].arch_info;
679 /* get a valid stack pointer */
680 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
683 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_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);
692 err = dsp563xx_write_register(target, DSP563XX_REG_IDX_SP, 1);
696 err = dsp563xx_reg_write(target, arch_info->instr_mask,
697 dsp563xx->core_regs[DSP563XX_REG_IDX_SSH]);
701 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 1);
704 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SSH, 1);
712 static int dsp563xx_reg_ssl_read(struct target *target)
716 struct dsp563xx_core_reg *arch_info;
717 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
719 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].arch_info;
721 /* get a valid stack pointer */
722 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SP, 0);
725 sp = dsp563xx->core_regs[DSP563XX_REG_IDX_SP];
730 err = dsp563xx_reg_read(target, arch_info->eame, &sp);
735 dsp563xx->core_regs[DSP563XX_REG_IDX_SSL] = sp;
736 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_SSL);
741 static int dsp563xx_read_register(struct target *target, int num, int force)
745 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
746 struct dsp563xx_core_reg *arch_info;
749 dsp563xx->core_cache->reg_list[num].valid = false;
751 if (!dsp563xx->core_cache->reg_list[num].valid) {
752 arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
754 switch (arch_info->num) {
755 case DSP563XX_REG_IDX_SSH:
756 err = dsp563xx_reg_ssh_read(target);
758 case DSP563XX_REG_IDX_SSL:
759 err = dsp563xx_reg_ssl_read(target);
761 case DSP563XX_REG_IDX_PC:
762 err = dsp563xx_reg_pc_read(target);
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);
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);
792 static int dsp563xx_write_register(struct target *target, int num, int force)
795 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
796 struct dsp563xx_core_reg *arch_info;
799 dsp563xx->core_cache->reg_list[num].dirty = true;
801 if (dsp563xx->core_cache->reg_list[num].dirty) {
802 arch_info = dsp563xx->core_cache->reg_list[num].arch_info;
804 dsp563xx->write_core_reg(target, num);
806 switch (arch_info->num) {
807 case DSP563XX_REG_IDX_SSH:
808 err = dsp563xx_reg_ssh_write(target);
810 case DSP563XX_REG_IDX_PC:
811 /* pc is updated on resume, no need to write it here */
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]);
826 err = dsp563xx_reg_write(target,
827 arch_info->instr_mask,
828 dsp563xx->core_regs[num]);
830 if ((err == ERROR_OK) && (arch_info->num == DSP563XX_REG_IDX_SP)) {
831 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSH].valid =
833 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SSL].valid =
844 static int dsp563xx_save_context(struct target *target)
846 int i, err = ERROR_OK;
848 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
849 err = dsp563xx_read_register(target, i, 0);
857 static int dsp563xx_restore_context(struct target *target)
859 int i, err = ERROR_OK;
861 for (i = 0; i < DSP563XX_NUMCOREREGS; i++) {
862 err = dsp563xx_write_register(target, i, 0);
870 static void dsp563xx_invalidate_x_context(struct target *target,
875 struct dsp563xx_core_reg *arch_info;
876 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
878 if (addr_start > ASM_REG_W_IPRC)
880 if (addr_start < ASM_REG_W_AAR3)
883 for (i = DSP563XX_REG_IDX_IPRC; i < DSP563XX_NUMCOREREGS; i++) {
884 arch_info = dsp563xx->core_cache->reg_list[i].arch_info;
886 if ((arch_info->instr_mask >= addr_start) &&
887 (arch_info->instr_mask <= addr_end)) {
888 dsp563xx->core_cache->reg_list[i].valid = false;
889 dsp563xx->core_cache->reg_list[i].dirty = false;
894 static int dsp563xx_target_create(struct target *target, Jim_Interp *interp)
896 struct dsp563xx_common *dsp563xx = calloc(1, sizeof(struct dsp563xx_common));
899 return ERROR_COMMAND_SYNTAX_ERROR;
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;
909 static int dsp563xx_init_target(struct command_context *cmd_ctx, struct target *target)
911 LOG_DEBUG("%s", __func__);
913 dsp563xx_build_reg_cache(target);
914 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
916 dsp563xx->hardware_breakpoints_cleared = 0;
917 dsp563xx->hardware_breakpoint[0].used = BPU_NONE;
922 static int dsp563xx_examine(struct target *target)
926 if (target->tap->hasidcode == false) {
927 LOG_ERROR("no IDCODE present on device");
928 return ERROR_COMMAND_SYNTAX_ERROR;
931 if (!target_was_examined(target)) {
932 target_set_examined(target);
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)
940 LOG_INFO("DSP56%03" PRIu32 " device found", chip);
942 /* Clear all breakpoints */
943 dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, 0);
949 static int dsp563xx_arch_state(struct target *target)
951 LOG_DEBUG("%s", __func__);
955 #define DSP563XX_SR_SA (1<<17)
956 #define DSP563XX_SR_SC (1<<13)
958 static int dsp563xx_debug_once_init(struct target *target)
960 return dsp563xx_once_read_register(target->tap, 1, once_regs, DSP563XX_NUMONCEREGS);
963 static int dsp563xx_debug_init(struct target *target)
967 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
968 struct dsp563xx_core_reg *arch_info;
970 err = dsp563xx_debug_once_init(target);
974 arch_info = dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].arch_info;
976 /* check 24bit mode */
977 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_SR, 0);
981 sr = dsp563xx->core_regs[DSP563XX_REG_IDX_SR];
983 if (sr & (DSP563XX_SR_SA | DSP563XX_SR_SC)) {
984 sr &= ~(DSP563XX_SR_SA | DSP563XX_SR_SC);
986 err = dsp563xx_once_execute_dw_ir(target->tap, 1, arch_info->instr_mask, sr);
989 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_SR].dirty = true;
992 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N0, 0);
995 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_N1, 0);
998 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M0, 0);
1001 err = dsp563xx_read_register(target, DSP563XX_REG_IDX_M1, 0);
1002 if (err != ERROR_OK)
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)
1011 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N0].dirty = true;
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)
1019 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_N1].dirty = true;
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)
1027 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M0].dirty = true;
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)
1035 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_M1].dirty = true;
1037 err = dsp563xx_save_context(target);
1038 if (err != ERROR_OK)
1044 static int dsp563xx_jtag_debug_request(struct target *target)
1046 return dsp563xx_once_request_debug(target->tap, target->state == TARGET_RESET);
1049 static int dsp563xx_poll(struct target *target)
1052 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1053 uint32_t once_status = 0;
1056 state = dsp563xx_once_target_status(target->tap);
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;
1064 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status);
1065 if (err != ERROR_OK)
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;
1072 err = dsp563xx_debug_init(target);
1073 if (err != ERROR_OK)
1076 if (once_status & (DSP563XX_ONCE_OSCR_MBO|DSP563XX_ONCE_OSCR_SWO))
1077 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_HALTED);
1079 target_call_event_callbacks(target, TARGET_EVENT_HALTED);
1081 LOG_DEBUG("target->state: %s (%" PRIx32 ")", target_state_name(target), once_status);
1082 LOG_INFO("halted: PC: 0x%" PRIx32, dsp563xx->core_regs[DSP563XX_REG_IDX_PC]);
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;
1096 static int dsp563xx_halt(struct target *target)
1100 LOG_DEBUG("%s", __func__);
1102 if (target->state == TARGET_HALTED) {
1103 LOG_DEBUG("target was already halted");
1107 if (target->state == TARGET_UNKNOWN)
1108 LOG_WARNING("target was in unknown state when halt was requested");
1110 err = dsp563xx_jtag_debug_request(target);
1111 if (err != ERROR_OK)
1114 target->debug_reason = DBG_REASON_DBGRQ;
1119 static int dsp563xx_resume(struct target *target,
1121 target_addr_t address,
1122 int handle_breakpoints,
1123 int debug_execution)
1126 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
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
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];
1140 LOG_DEBUG("%s %08X %08X", __func__, current, (unsigned) address);
1142 err = dsp563xx_restore_context(target);
1143 if (err != ERROR_OK)
1145 register_cache_invalidate(dsp563xx->core_cache);
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)
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)
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)
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)
1169 target->state = TARGET_RUNNING;
1171 target_call_event_callbacks(target, TARGET_EVENT_DEBUG_RESUMED);
1176 static int dsp563xx_step_ex(struct target *target,
1179 int handle_breakpoints,
1183 uint32_t once_status;
1184 uint32_t dr_in, cnt;
1185 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1187 if (target->state != TARGET_HALTED) {
1188 LOG_DEBUG("target was not halted");
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
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];
1204 LOG_DEBUG("%s %08X %08X", __func__, current, (unsigned) address);
1206 err = dsp563xx_jtag_debug_request(target);
1207 if (err != ERROR_OK)
1209 err = dsp563xx_restore_context(target);
1210 if (err != ERROR_OK)
1213 /* reset trace mode */
1214 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, 0x000000);
1215 if (err != ERROR_OK)
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)
1224 /* on JUMP we need one extra cycle */
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)
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)
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)
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)
1249 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_PDBGOTO |
1250 DSP563XX_ONCE_OCR_EX | DSP563XX_ONCE_OCR_GO,
1252 if (err != ERROR_OK)
1257 err = dsp563xx_once_reg_read(target->tap, 1, DSP563XX_ONCE_OSCR, &once_status);
1258 if (err != ERROR_OK)
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)
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)
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)
1273 LOG_DEBUG("execute: %08X", (unsigned) dr_in&0x00ffffff);
1275 /* reset trace mode */
1276 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OSCR, 0x000000);
1277 if (err != ERROR_OK)
1280 register_cache_invalidate(dsp563xx->core_cache);
1281 err = dsp563xx_debug_init(target);
1282 if (err != ERROR_OK)
1292 static int dsp563xx_step(struct target *target,
1294 target_addr_t address,
1295 int handle_breakpoints)
1298 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1300 if (target->state != TARGET_HALTED) {
1301 LOG_WARNING("target not halted");
1302 return ERROR_TARGET_NOT_HALTED;
1305 err = dsp563xx_step_ex(target, current, address, handle_breakpoints, 0);
1306 if (err != ERROR_OK)
1309 target->debug_reason = DBG_REASON_SINGLESTEP;
1310 target_call_event_callbacks(target, TARGET_EVENT_HALTED);
1312 LOG_INFO("halted: PC: 0x%" PRIx32, dsp563xx->core_regs[DSP563XX_REG_IDX_PC]);
1317 static int dsp563xx_assert_reset(struct target *target)
1320 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1321 enum reset_types jtag_reset_config = jtag_get_reset_config();
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);
1328 jtag_add_reset(0, 1);
1331 target->state = TARGET_RESET;
1332 jtag_add_sleep(5000);
1334 /* registers are now invalid */
1335 register_cache_invalidate(dsp563xx->core_cache);
1337 if (target->reset_halt) {
1338 retval = target_halt(target);
1339 if (retval != ERROR_OK)
1343 LOG_DEBUG("%s", __func__);
1347 static int dsp563xx_deassert_reset(struct target *target)
1351 /* deassert reset lines */
1352 jtag_add_reset(0, 0);
1354 err = dsp563xx_poll(target);
1355 if (err != ERROR_OK)
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,execute)
1364 err = dsp563xx_step_ex(target, 1, 0, 1, 1);
1365 if (err != ERROR_OK)
1369 target->state = TARGET_RUNNING;
1371 LOG_DEBUG("%s", __func__);
1375 static int dsp563xx_run_algorithm(struct target *target,
1376 int num_mem_params, struct mem_param *mem_params,
1377 int num_reg_params, struct reg_param *reg_params,
1378 target_addr_t entry_point, target_addr_t exit_point,
1379 int timeout_ms, void *arch_info)
1382 int retval = ERROR_OK;
1383 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1385 if (target->state != TARGET_HALTED) {
1386 LOG_WARNING("target not halted");
1387 return ERROR_TARGET_NOT_HALTED;
1390 for (i = 0; i < num_mem_params; i++) {
1391 if (mem_params[i].direction == PARAM_IN)
1393 retval = target_write_buffer(target, mem_params[i].address,
1394 mem_params[i].size, mem_params[i].value);
1395 if (retval != ERROR_OK)
1399 for (i = 0; i < num_reg_params; i++) {
1400 if (reg_params[i].direction == PARAM_IN)
1403 struct reg *reg = register_get_by_name(dsp563xx->core_cache,
1404 reg_params[i].reg_name,
1408 LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
1412 if (reg->size != reg_params[i].size) {
1413 LOG_ERROR("BUG: register '%s' size doesn't match reg_params[i].size",
1414 reg_params[i].reg_name);
1418 retval = dsp563xx_set_core_reg(reg, reg_params[i].value);
1419 if (retval != ERROR_OK)
1424 retval = target_resume(target, 0, entry_point, 1, 1);
1425 if (retval != ERROR_OK)
1428 retval = target_wait_state(target, TARGET_HALTED, timeout_ms);
1429 if (retval != ERROR_OK)
1432 for (i = 0; i < num_mem_params; i++) {
1433 if (mem_params[i].direction != PARAM_OUT)
1434 retval = target_read_buffer(target,
1435 mem_params[i].address,
1437 mem_params[i].value);
1438 if (retval != ERROR_OK)
1442 for (i = 0; i < num_reg_params; i++) {
1443 if (reg_params[i].direction != PARAM_OUT) {
1445 struct reg *reg = register_get_by_name(dsp563xx->core_cache,
1446 reg_params[i].reg_name,
1449 LOG_ERROR("BUG: register '%s' not found", reg_params[i].reg_name);
1453 if (reg->size != reg_params[i].size) {
1455 "BUG: register '%s' size doesn't match reg_params[i].size",
1456 reg_params[i].reg_name);
1460 buf_set_u32(reg_params[i].value, 0, 32, buf_get_u32(reg->value, 0, 32));
1467 /* global command context from openocd.c */
1468 extern struct command_context *global_cmd_ctx;
1470 static int dsp563xx_get_default_memory(void)
1476 if (!global_cmd_ctx)
1479 interp = global_cmd_ctx->interp;
1484 memspace = Jim_GetGlobalVariableStr(interp, "memspace", JIM_NONE);
1489 c = (char *)Jim_GetString(memspace, NULL);
1508 static int dsp563xx_read_memory_core(struct target *target,
1516 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1518 uint32_t data, move_cmd = 0;
1522 "memtype: %d address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "",
1528 if (target->state != TARGET_HALTED) {
1529 LOG_WARNING("target not halted");
1530 return ERROR_TARGET_NOT_HALTED;
1535 /* TODO: mark effected queued registers */
1536 move_cmd = 0x61d800;
1539 move_cmd = 0x69d800;
1542 move_cmd = 0x07d891;
1545 return ERROR_COMMAND_SYNTAX_ERROR;
1548 /* we use r0 to store temporary data */
1549 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
1550 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
1551 /* we use r1 to store temporary data */
1552 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
1553 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
1555 /* r0 is no longer valid on target */
1556 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = true;
1557 /* r1 is no longer valid on target */
1558 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = true;
1563 err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address);
1564 if (err != ERROR_OK)
1567 for (i = 0; i < x; i++) {
1568 err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd);
1569 if (err != ERROR_OK)
1571 err = dsp563xx_once_execute_sw_ir(target->tap, 0, 0x08D13C);
1572 if (err != ERROR_OK)
1574 err = dsp563xx_once_reg_read(target->tap, 0,
1575 DSP563XX_ONCE_OGDBR, (uint32_t *)(void *)b);
1576 if (err != ERROR_OK)
1581 /* flush the jtag queue */
1582 err = jtag_execute_queue();
1583 if (err != ERROR_OK)
1586 /* walk over the buffer and fix target endianness */
1589 for (i = 0; i < x; i++) {
1590 data = buf_get_u32(b, 0, 32) & 0x00FFFFFF;
1591 /* LOG_DEBUG("R: %08X", *((uint32_t*)b)); */
1592 target_buffer_set_u32(target, b, data);
1599 static int dsp563xx_read_memory(struct target *target,
1601 target_addr_t address,
1608 uint8_t *buffer_y, *buffer_x;
1610 /* if size equals zero we are called from target read memory
1611 * and have to handle the parameter here */
1612 if ((size == 0) && (count != 0)) {
1616 LOG_DEBUG("size is not aligned to 4 byte");
1618 count = (count - size) / 4;
1622 /* we only support 4 byte aligned data */
1623 if ((size != 4) || (!count))
1624 return ERROR_COMMAND_SYNTAX_ERROR;
1626 if (mem_type != MEM_L)
1627 return dsp563xx_read_memory_core(target, mem_type, address, size, count, buffer);
1629 buffer_y = malloc(size * count);
1631 return ERROR_COMMAND_SYNTAX_ERROR;
1633 buffer_x = malloc(size * count);
1636 return ERROR_COMMAND_SYNTAX_ERROR;
1639 err = dsp563xx_read_memory_core(target, MEM_Y, address, size, count / 2, buffer_y);
1641 if (err != ERROR_OK) {
1647 err = dsp563xx_read_memory_core(target, MEM_X, address, size, count / 2, buffer_x);
1649 if (err != ERROR_OK) {
1655 for (i = 0, i1 = 0; i < count; i += 2, i1++) {
1656 buf_set_u32(buffer + i*sizeof(uint32_t), 0, 32,
1657 buf_get_u32(buffer_y + i1 * sizeof(uint32_t), 0, 32));
1658 buf_set_u32(buffer + (i + 1) * sizeof(uint32_t), 0, 32,
1659 buf_get_u32(buffer_x + i1 * sizeof(uint32_t), 0, 32));
1668 static int dsp563xx_read_memory_default(struct target *target,
1669 target_addr_t address,
1675 return dsp563xx_read_memory(target,
1676 dsp563xx_get_default_memory(), address, size, count, buffer);
1679 static int dsp563xx_read_buffer_default(struct target *target,
1680 target_addr_t address,
1685 return dsp563xx_read_memory(target, dsp563xx_get_default_memory(), address, size, 0,
1689 static int dsp563xx_write_memory_core(struct target *target,
1691 target_addr_t address,
1694 const uint8_t *buffer)
1697 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1699 uint32_t data, move_cmd = 0;
1703 "memtype: %d address: 0x%8.8" TARGET_PRIxADDR ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "",
1709 if (target->state != TARGET_HALTED) {
1710 LOG_WARNING("target not halted");
1711 return ERROR_TARGET_NOT_HALTED;
1716 /* invalidate affected x registers */
1717 dsp563xx_invalidate_x_context(target, address, address + count - 1);
1718 move_cmd = 0x615800;
1721 move_cmd = 0x695800;
1724 move_cmd = 0x075891;
1727 return ERROR_COMMAND_SYNTAX_ERROR;
1730 /* we use r0 to store temporary data */
1731 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].valid)
1732 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R0);
1733 /* we use r1 to store temporary data */
1734 if (!dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].valid)
1735 dsp563xx->read_core_reg(target, DSP563XX_REG_IDX_R1);
1737 /* r0 is no longer valid on target */
1738 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R0].dirty = true;
1739 /* r1 is no longer valid on target */
1740 dsp563xx->core_cache->reg_list[DSP563XX_REG_IDX_R1].dirty = true;
1745 err = dsp563xx_once_execute_dw_ir(target->tap, 1, 0x60F400, address);
1746 if (err != ERROR_OK)
1749 for (i = 0; i < x; i++) {
1750 data = target_buffer_get_u32(target, b);
1752 /* LOG_DEBUG("W: %08X", data); */
1756 err = dsp563xx_once_execute_dw_ir(target->tap, 0, 0x61F400, data);
1757 if (err != ERROR_OK)
1759 err = dsp563xx_once_execute_sw_ir(target->tap, 0, move_cmd);
1760 if (err != ERROR_OK)
1765 /* flush the jtag queue */
1766 err = jtag_execute_queue();
1767 if (err != ERROR_OK)
1773 static int dsp563xx_write_memory(struct target *target,
1775 target_addr_t address,
1778 const uint8_t *buffer)
1782 uint8_t *buffer_y, *buffer_x;
1784 /* if size equals zero we are called from target write memory
1785 * and have to handle the parameter here */
1786 if ((size == 0) && (count != 0)) {
1790 LOG_DEBUG("size is not aligned to 4 byte");
1792 count = (count - size) / 4;
1796 /* we only support 4 byte aligned data */
1797 if ((size != 4) || (!count))
1798 return ERROR_COMMAND_SYNTAX_ERROR;
1800 if (mem_type != MEM_L)
1801 return dsp563xx_write_memory_core(target, mem_type, address, size, count, buffer);
1803 buffer_y = malloc(size * count);
1805 return ERROR_COMMAND_SYNTAX_ERROR;
1807 buffer_x = malloc(size * count);
1810 return ERROR_COMMAND_SYNTAX_ERROR;
1813 for (i = 0, i1 = 0; i < count; i += 2, i1++) {
1814 buf_set_u32(buffer_y + i1 * sizeof(uint32_t), 0, 32,
1815 buf_get_u32(buffer + i * sizeof(uint32_t), 0, 32));
1816 buf_set_u32(buffer_x + i1 * sizeof(uint32_t), 0, 32,
1817 buf_get_u32(buffer + (i + 1) * sizeof(uint32_t), 0, 32));
1820 err = dsp563xx_write_memory_core(target, MEM_Y, address, size, count / 2, buffer_y);
1822 if (err != ERROR_OK) {
1828 err = dsp563xx_write_memory_core(target, MEM_X, address, size, count / 2, buffer_x);
1830 if (err != ERROR_OK) {
1842 static int dsp563xx_write_memory_default(struct target *target,
1843 target_addr_t address,
1846 const uint8_t *buffer)
1848 return dsp563xx_write_memory(target,
1849 dsp563xx_get_default_memory(), address, size, count, buffer);
1852 static int dsp563xx_write_buffer_default(struct target *target,
1853 target_addr_t address,
1855 const uint8_t *buffer)
1857 return dsp563xx_write_memory(target, dsp563xx_get_default_memory(), address, size, 0,
1862 * Exit with error here, because we support watchpoints over a custom command.
1863 * This is because the DSP has separate X,Y,P memspace which is not compatible to the
1864 * traditional watchpoint logic.
1866 static int dsp563xx_add_watchpoint(struct target *target, struct watchpoint *watchpoint)
1868 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1872 * @see dsp563xx_add_watchpoint
1874 static int dsp563xx_remove_watchpoint(struct target *target, struct watchpoint *watchpoint)
1876 return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1879 static int dsp563xx_add_custom_watchpoint(struct target *target, uint32_t address, uint32_t memType,
1880 enum watchpoint_rw rw, enum watchpoint_condition cond)
1883 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1885 bool wasRunning = false;
1886 /* Only set breakpoint when halted */
1887 if (target->state != TARGET_HALTED) {
1888 dsp563xx_halt(target);
1892 if (dsp563xx->hardware_breakpoint[0].used) {
1893 LOG_ERROR("Cannot add watchpoint. Hardware resource already used.");
1894 err = ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
1897 uint32_t obcr_value = 0;
1898 if (err == ERROR_OK) {
1899 obcr_value |= OBCR_b0_or_b1;
1902 obcr_value |= OBCR_BP_MEM_X;
1905 obcr_value |= OBCR_BP_MEM_Y;
1908 obcr_value |= OBCR_BP_MEM_P;
1911 LOG_ERROR("Unknown memType parameter (%" PRIu32 ")", memType);
1912 err = ERROR_TARGET_INVALID;
1916 if (err == ERROR_OK) {
1919 obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ);
1922 obcr_value |= OBCR_BP_0(OBCR_BP_ON_WRITE);
1925 obcr_value |= OBCR_BP_0(OBCR_BP_ON_READ|OBCR_BP_ON_WRITE);
1928 LOG_ERROR("Unsupported write mode (%d)", rw);
1929 err = ERROR_TARGET_INVALID;
1933 if (err == ERROR_OK) {
1936 obcr_value |= OBCR_BP_0(OBCR_BP_CC_EQUAL);
1939 obcr_value |= OBCR_BP_0(OBCR_BP_CC_NOT_EQUAL);
1942 obcr_value |= OBCR_BP_0(OBCR_BP_CC_LESS_THAN);
1945 obcr_value |= OBCR_BP_0(OBCR_BP_CC_GREATER_THAN);
1948 LOG_ERROR("Unsupported condition code (%d)", cond);
1949 err = ERROR_TARGET_INVALID;
1953 if (err == ERROR_OK)
1954 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR0, address);
1956 if (err == ERROR_OK)
1957 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMLR1, 0x0);
1959 if (err == ERROR_OK)
1960 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, obcr_value);
1962 if (err == ERROR_OK) {
1963 /* You should write the memory breakpoint counter to 0 */
1964 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OMBC, 0);
1967 if (err == ERROR_OK) {
1968 /* You should write the memory breakpoint counter to 0 */
1969 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OTC, 0);
1972 if (err == ERROR_OK)
1973 dsp563xx->hardware_breakpoint[0].used = BPU_WATCHPOINT;
1975 if (err == ERROR_OK && wasRunning) {
1976 /* Resume from current PC */
1977 err = dsp563xx_resume(target, 1, 0x0, 0, 0);
1983 static int dsp563xx_remove_custom_watchpoint(struct target *target)
1986 struct dsp563xx_common *dsp563xx = target_to_dsp563xx(target);
1988 if (dsp563xx->hardware_breakpoint[0].used != BPU_WATCHPOINT) {
1989 LOG_ERROR("Cannot remove watchpoint, as no watchpoint is currently configured!");
1990 err = ERROR_TARGET_INVALID;
1993 if (err == ERROR_OK) {
1994 /* Clear watchpoint by clearing OBCR. */
1995 err = dsp563xx_once_reg_write(target->tap, 1, DSP563XX_ONCE_OBCR, 0);
1998 if (err == ERROR_OK)
1999 dsp563xx->hardware_breakpoint[0].used = BPU_NONE;
2004 COMMAND_HANDLER(dsp563xx_add_watchpoint_command)
2007 struct target *target = get_current_target(CMD_CTX);
2009 uint32_t mem_type = 0;
2010 switch (CMD_NAME[2]) {
2021 return ERROR_COMMAND_SYNTAX_ERROR;
2025 return ERROR_COMMAND_SYNTAX_ERROR;
2027 uint32_t address = 0;
2029 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], address);
2031 enum watchpoint_condition cond;
2032 switch (CMD_ARGV[0][0]) {
2046 return ERROR_COMMAND_SYNTAX_ERROR;
2049 enum watchpoint_rw rw;
2050 switch (CMD_ARGV[1][0]) {
2061 return ERROR_COMMAND_SYNTAX_ERROR;
2064 err = dsp563xx_add_custom_watchpoint(target, address, mem_type, rw, cond);
2069 /* Adding a breakpoint using the once breakpoint logic.
2070 * Note that this mechanism is a true hw breakpoint and is share between the watchpoint logic.
2071 * This means, you can only have one breakpoint/watchpoint at any time.
2073 static int dsp563xx_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
2075 return dsp563xx_add_custom_watchpoint(target, breakpoint->address, MEM_P, WPT_READ, EQUAL);
2078 static int dsp563xx_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
2080 return dsp563xx_remove_custom_watchpoint(target);
2083 COMMAND_HANDLER(dsp563xx_remove_watchpoint_command)
2085 struct target *target = get_current_target(CMD_CTX);
2087 return dsp563xx_remove_custom_watchpoint(target);
2090 COMMAND_HANDLER(dsp563xx_mem_command)
2092 struct target *target = get_current_target(CMD_CTX);
2095 uint32_t address = 0;
2096 uint32_t count = 1, i;
2097 uint32_t pattern = 0;
2099 uint8_t *buffer, *b;
2101 switch (CMD_NAME[1]) {
2109 return ERROR_COMMAND_SYNTAX_ERROR;
2112 switch (CMD_NAME[3]) {
2123 return ERROR_COMMAND_SYNTAX_ERROR;
2127 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
2129 if (read_mem == 0) {
2131 return ERROR_COMMAND_SYNTAX_ERROR;
2133 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
2135 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
2138 if (read_mem == 1) {
2140 return ERROR_COMMAND_SYNTAX_ERROR;
2142 COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
2145 buffer = calloc(count, sizeof(uint32_t));
2147 if (read_mem == 1) {
2148 err = dsp563xx_read_memory(target, mem_type, address, sizeof(uint32_t),
2150 if (err == ERROR_OK)
2151 target_handle_md_output(CMD, target, address, sizeof(uint32_t), count, buffer);
2156 for (i = 0; i < count; i++) {
2157 target_buffer_set_u32(target, b, pattern);
2161 err = dsp563xx_write_memory(target,
2174 static const struct command_registration dsp563xx_command_handlers[] = {
2177 .handler = dsp563xx_mem_command,
2178 .mode = COMMAND_EXEC,
2179 .help = "write x memory words",
2180 .usage = "address value [count]",
2184 .handler = dsp563xx_mem_command,
2185 .mode = COMMAND_EXEC,
2186 .help = "write y memory words",
2187 .usage = "address value [count]",
2191 .handler = dsp563xx_mem_command,
2192 .mode = COMMAND_EXEC,
2193 .help = "write p memory words",
2194 .usage = "address value [count]",
2198 .handler = dsp563xx_mem_command,
2199 .mode = COMMAND_EXEC,
2200 .help = "display x memory words",
2201 .usage = "address [count]",
2205 .handler = dsp563xx_mem_command,
2206 .mode = COMMAND_EXEC,
2207 .help = "display y memory words",
2208 .usage = "address [count]",
2212 .handler = dsp563xx_mem_command,
2213 .mode = COMMAND_EXEC,
2214 .help = "display p memory words",
2215 .usage = "address [count]",
2218 * Watchpoint commands
2222 .handler = dsp563xx_add_watchpoint_command,
2223 .mode = COMMAND_EXEC,
2224 .help = "Create p memspace watchpoint",
2225 .usage = "(>|<|=|!) (r|w|a) address",
2229 .handler = dsp563xx_add_watchpoint_command,
2230 .mode = COMMAND_EXEC,
2231 .help = "Create x memspace watchpoint",
2232 .usage = "(>|<|=|!) (r|w|a) address",
2236 .handler = dsp563xx_add_watchpoint_command,
2237 .mode = COMMAND_EXEC,
2238 .help = "Create y memspace watchpoint",
2239 .usage = "(>|<|=|!) (r|w|a) address",
2243 .handler = dsp563xx_remove_watchpoint_command,
2244 .mode = COMMAND_EXEC,
2245 .help = "remove watchpoint custom",
2248 COMMAND_REGISTRATION_DONE
2251 /** Holds methods for DSP563XX targets. */
2252 struct target_type dsp563xx_target = {
2255 .poll = dsp563xx_poll,
2256 .arch_state = dsp563xx_arch_state,
2258 .get_gdb_reg_list = dsp563xx_get_gdb_reg_list,
2260 .halt = dsp563xx_halt,
2261 .resume = dsp563xx_resume,
2262 .step = dsp563xx_step,
2264 .assert_reset = dsp563xx_assert_reset,
2265 .deassert_reset = dsp563xx_deassert_reset,
2267 .read_memory = dsp563xx_read_memory_default,
2268 .write_memory = dsp563xx_write_memory_default,
2270 .read_buffer = dsp563xx_read_buffer_default,
2271 .write_buffer = dsp563xx_write_buffer_default,
2273 .run_algorithm = dsp563xx_run_algorithm,
2275 .add_breakpoint = dsp563xx_add_breakpoint,
2276 .remove_breakpoint = dsp563xx_remove_breakpoint,
2277 .add_watchpoint = dsp563xx_add_watchpoint,
2278 .remove_watchpoint = dsp563xx_remove_watchpoint,
2280 .commands = dsp563xx_command_handlers,
2281 .target_create = dsp563xx_target_create,
2282 .init_target = dsp563xx_init_target,
2283 .examine = dsp563xx_examine,