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, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
27 #include "target_type.h"
30 #include "dsp563xx_once.h"
32 //#define DSP563XX_JTAG_INS_LEN 4
34 #define ASM_REG_W_R0 0x60F400
35 #define ASM_REG_W_R1 0x61F400
36 #define ASM_REG_W_R2 0x62F400
37 #define ASM_REG_W_R3 0x63F400
38 #define ASM_REG_W_R4 0x64F400
39 #define ASM_REG_W_R5 0x65F400
40 #define ASM_REG_W_R6 0x66F400
41 #define ASM_REG_W_R7 0x67F400
43 #define ASM_REG_W_N0 0x70F400
44 #define ASM_REG_W_N1 0x71F400
45 #define ASM_REG_W_N2 0x72F400
46 #define ASM_REG_W_N3 0x73F400
47 #define ASM_REG_W_N4 0x74F400
48 #define ASM_REG_W_N5 0x75F400
49 #define ASM_REG_W_N6 0x76F400
50 #define ASM_REG_W_N7 0x77F400
52 #define ASM_REG_W_M0 0x05F420
53 #define ASM_REG_W_M1 0x05F421
54 #define ASM_REG_W_M2 0x05F422
55 #define ASM_REG_W_M3 0x05F423
56 #define ASM_REG_W_M4 0x05F424
57 #define ASM_REG_W_M5 0x05F425
58 #define ASM_REG_W_M6 0x05F426
59 #define ASM_REG_W_M7 0x05F427
61 #define ASM_REG_W_X0 0x44F400
62 #define ASM_REG_W_X1 0x45F400
64 #define ASM_REG_W_Y0 0x46F400
65 #define ASM_REG_W_Y1 0x47F400
67 #define ASM_REG_W_A0 0x50F400
68 #define ASM_REG_W_A1 0x54F400
69 #define ASM_REG_W_A2 0x52F400
71 #define ASM_REG_W_B0 0x51F400
72 #define ASM_REG_W_B1 0x55F400
73 #define ASM_REG_W_B2 0x53F400
75 #define ASM_REG_W_VBA 0x05F430
76 #define ASM_REG_W_OMR 0x05F43A
77 #define ASM_REG_W_EP 0x05F42A
78 #define ASM_REG_W_SC 0x05F431
79 #define ASM_REG_W_SZ 0x05F438
80 #define ASM_REG_W_SR 0x05F439
81 #define ASM_REG_W_SP 0x05F43B
82 #define ASM_REG_W_SSH 0x05F43C
83 #define ASM_REG_W_SSL 0x05F43D
84 #define ASM_REG_W_LA 0x05F43E
85 #define ASM_REG_W_LC 0x05F43F
86 #define ASM_REG_W_PC 0x000000
87 #define ASM_REG_W_IPRC 0xFFFFFF
88 #define ASM_REG_W_IPRP 0xFFFFFE
90 #define ASM_REG_W_BCR 0xFFFFFB
91 #define ASM_REG_W_DCR 0xFFFFFA
92 #define ASM_REG_W_AAR0 0xFFFFF9
93 #define ASM_REG_W_AAR1 0xFFFFF8
94 #define ASM_REG_W_AAR2 0xFFFFF7
95 #define ASM_REG_W_AAR3 0xFFFFF6
97 static struct once_reg once_regs
[] = {
98 {0, 0x00, 24, "OSCR", 0},
99 {1, 0x01, 24, "OMBC", 0},
100 {2, 0x02, 24, "OBCR", 0},
101 {3, 0x05, 24, "OMLR0", 0},
102 {4, 0x06, 24, "OMLR1", 0},
103 {5, 0x09, 24, "OGDBR", 0},
104 {6, 0x0a, 24, "OPDBR", 0},
105 {7, 0x0b, 24, "OPILR", 0},
106 {8, 0x0c, 24, "PDB", 0},
107 {9, 0x0d, 24, "OTC", 0},
108 {10, 0x0f, 24, "OPABFR", 0},
109 {11, 0x10, 24, "OPABDR", 0},
110 {12, 0x11, 24, "OPABEX", 0},
111 {13, 0x12, 25, "OPABF0", 0},
112 {14, 0x12, 25, "OPABF1", 0},
113 {15, 0x12, 25, "OPABF2", 0},
114 {16, 0x12, 25, "OPABF3", 0},
115 {17, 0x12, 25, "OPABF4", 0},
116 {18, 0x12, 25, "OPABF5", 0},
117 {19, 0x12, 25, "OPABF6", 0},
118 {20, 0x12, 25, "OPABF7", 0},
119 {21, 0x12, 25, "OPABF8", 0},
120 {22, 0x12, 25, "OPABF9", 0},
121 {23, 0x12, 25, "OPABF10", 0},
122 {24, 0x12, 25, "OPABF11", 0},
123 // {25,0x1f,24,"NRSEL",0},
131 /* effective addressing mode encoding */
137 /* address registers */
138 { 0, "r0", 24, 0x10, ASM_REG_W_R0
},
139 { 1, "r1", 24, 0x11, ASM_REG_W_R1
},
140 { 2, "r2", 24, 0x12, ASM_REG_W_R2
},
141 { 3, "r3", 24, 0x13, ASM_REG_W_R3
},
142 { 4, "r4", 24, 0x14, ASM_REG_W_R4
},
143 { 5, "r5", 24, 0x15, ASM_REG_W_R5
},
144 { 6, "r6", 24, 0x16, ASM_REG_W_R6
},
145 { 7, "r7", 24, 0x17, ASM_REG_W_R7
},
146 /* offset registers */
147 { 8, "n0", 24, 0x18, ASM_REG_W_N0
},
148 { 9, "n1", 24, 0x19, ASM_REG_W_N1
},
149 {10, "n2", 24, 0x1a, ASM_REG_W_N2
},
150 {11, "n3", 24, 0x1b, ASM_REG_W_N3
},
151 {12, "n4", 24, 0x1c, ASM_REG_W_N4
},
152 {13, "n5", 24, 0x1d, ASM_REG_W_N5
},
153 {14, "n6", 24, 0x1e, ASM_REG_W_N6
},
154 {15, "n7", 24, 0x1f, ASM_REG_W_N7
},
155 /* modifier registers */
156 {16, "m0", 24, 0x20, ASM_REG_W_M0
},
157 {17, "m1", 24, 0x21, ASM_REG_W_M1
},
158 {18, "m2", 24, 0x22, ASM_REG_W_M2
},
159 {19, "m3", 24, 0x23, ASM_REG_W_M3
},
160 {20, "m4", 24, 0x24, ASM_REG_W_M4
},
161 {21, "m5", 24, 0x25, ASM_REG_W_M5
},
162 {22, "m6", 24, 0x26, ASM_REG_W_M6
},
163 {23, "m7", 24, 0x27, ASM_REG_W_M7
},
164 /* data alu input register */
165 {24, "x0", 24, 0x04, ASM_REG_W_X0
},
166 {25, "x1", 24, 0x05, ASM_REG_W_X1
},
167 {26, "y0", 24, 0x06, ASM_REG_W_Y0
},
168 {27, "y1", 24, 0x07, ASM_REG_W_Y1
},
169 /* data alu accumulator register */
170 {28, "a0", 24, 0x08, ASM_REG_W_A0
},
171 {29, "a1", 24, 0x0c, ASM_REG_W_A1
},
172 {30, "a2", 8, 0x0a, ASM_REG_W_A2
},
173 {31, "b0", 24, 0x09, ASM_REG_W_B0
},
174 {32, "b1", 24, 0x0d, ASM_REG_W_B1
},
175 {33, "b2", 8, 0x0b, ASM_REG_W_B2
},
177 {34, "ssh",24, 0x3c, ASM_REG_W_SSH
},
178 {35, "ssl",24, 0x3d, ASM_REG_W_SSL
},
179 {36, "sp", 24, 0x3b, ASM_REG_W_SP
},
180 {37, "ep", 24, 0x2a, ASM_REG_W_EP
},
181 {38, "sz", 24, 0x38, ASM_REG_W_SZ
},
182 {39, "sc", 24, 0x31, ASM_REG_W_SC
},
184 {40, "pc", 24, 0x00, ASM_REG_W_PC
},
185 {41, "sr", 24, 0x39, ASM_REG_W_SR
},
186 {42, "omr",24, 0x3a, ASM_REG_W_OMR
},
187 {43, "la", 24, 0x3e, ASM_REG_W_LA
},
188 {44, "lc", 24, 0x3f, ASM_REG_W_LC
},
190 {45, "vba", 24, 0x30, ASM_REG_W_VBA
},
191 {46, "iprc",24, 0x00, ASM_REG_W_IPRC
},
192 {47, "iprp",24, 0x00, ASM_REG_W_IPRP
},
194 {48, "bcr", 24, 0x00, ASM_REG_W_BCR
},
195 {49, "dcr", 24, 0x00, ASM_REG_W_DCR
},
196 {50, "aar0",24, 0x00, ASM_REG_W_AAR0
},
197 {51, "aar1",24, 0x00, ASM_REG_W_AAR1
},
198 {52, "aar2",24, 0x00, ASM_REG_W_AAR2
},
199 {53, "aar3",24, 0x00, ASM_REG_W_AAR3
},
206 #define REG_NUM_M0 16
207 #define REG_NUM_M1 17
208 #define REG_NUM_SSH 34
209 #define REG_NUM_SSL 35
210 #define REG_NUM_SP 36
211 #define REG_NUM_EP 37
212 #define REG_NUM_SC 39
213 #define REG_NUM_PC 40
214 #define REG_NUM_SR 41
215 #define REG_NUM_IPRC 46
216 #define REG_NUM_IPRP 47
217 #define REG_NUM_BCR 48
218 #define REG_NUM_DCR 49
219 #define REG_NUM_AAR0 50
220 #define REG_NUM_AAR1 51
221 #define REG_NUM_AAR2 52
222 #define REG_NUM_AAR3 53
224 #define INSTR_JUMP 0x0AF080
225 /* Effective Addressing Mode Encoding */
227 /* instrcution encoder */
229 * s - peripheral space X/Y (X=0,Y=1)
231 * d - source/destination register
232 * p - IO short address
234 #define INSTR_MOVEP_REG_HIO(s,w,d,p) (0x084000 | ((s & 1)<<16) | ((w&1)<<15) | ((d & 0x3f)<<8) | (p & 0x3f))
236 static int dsp563xx_get_gdb_reg_list(struct target
*target
, struct reg
**reg_list
[], int *reg_list_size
)
239 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
241 if (target
->state
!= TARGET_HALTED
)
243 return ERROR_TARGET_NOT_HALTED
;
246 *reg_list_size
= DSP563XX_NUMCOREREGS
;
247 *reg_list
= malloc(sizeof(struct reg
*) * (*reg_list_size
));
250 return ERROR_INVALID_ARGUMENTS
;
252 for (i
= 0; i
< DSP563XX_NUMCOREREGS
; i
++)
254 (*reg_list
)[i
] = &dsp563xx
->core_cache
->reg_list
[i
];
261 static int dsp563xx_read_core_reg(struct target
*target
, int num
)
264 struct dsp563xx_core_reg
*dsp563xx_core_reg
;
265 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
267 if ((num
< 0) || (num
>= DSP563XX_NUMCOREREGS
))
268 return ERROR_INVALID_ARGUMENTS
;
270 dsp563xx_core_reg
= dsp563xx
->core_cache
->reg_list
[num
].arch_info
;
271 reg_value
= dsp563xx
->core_regs
[num
];
272 buf_set_u32(dsp563xx
->core_cache
->reg_list
[num
].value
, 0, 32, reg_value
);
273 dsp563xx
->core_cache
->reg_list
[num
].valid
= 1;
274 dsp563xx
->core_cache
->reg_list
[num
].dirty
= 0;
279 static int dsp563xx_write_core_reg(struct target
*target
, int num
)
282 struct dsp563xx_core_reg
*dsp563xx_core_reg
;
283 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
285 if ((num
< 0) || (num
>= DSP563XX_NUMCOREREGS
))
286 return ERROR_INVALID_ARGUMENTS
;
288 reg_value
= buf_get_u32(dsp563xx
->core_cache
->reg_list
[num
].value
, 0, 32);
289 dsp563xx_core_reg
= dsp563xx
->core_cache
->reg_list
[num
].arch_info
;
290 dsp563xx
->core_regs
[num
] = reg_value
;
291 dsp563xx
->core_cache
->reg_list
[num
].valid
= 1;
292 dsp563xx
->core_cache
->reg_list
[num
].dirty
= 0;
297 static int dsp563xx_target_create(struct target
*target
, Jim_Interp
* interp
)
299 struct dsp563xx_common
*dsp563xx
= calloc(1, sizeof(struct dsp563xx_common
));
302 return ERROR_INVALID_ARGUMENTS
;
304 dsp563xx
->jtag_info
.tap
= target
->tap
;
305 target
->arch_info
= dsp563xx
;
306 dsp563xx
->read_core_reg
= dsp563xx_read_core_reg
;
307 dsp563xx
->write_core_reg
= dsp563xx_write_core_reg
;
312 static int dsp563xx_get_core_reg(struct reg
*reg
)
314 struct dsp563xx_core_reg
*dsp563xx_reg
= reg
->arch_info
;
315 struct target
*target
= dsp563xx_reg
->target
;
316 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
318 LOG_DEBUG("%s", __FUNCTION__
);
320 if (target
->state
!= TARGET_HALTED
)
322 return ERROR_TARGET_NOT_HALTED
;
325 return dsp563xx
->read_core_reg(target
, dsp563xx_reg
->num
);
328 static int dsp563xx_set_core_reg(struct reg
*reg
, uint8_t * buf
)
330 LOG_DEBUG("%s", __FUNCTION__
);
332 struct dsp563xx_core_reg
*dsp563xx_reg
= reg
->arch_info
;
333 struct target
*target
= dsp563xx_reg
->target
;
334 uint32_t value
= buf_get_u32(buf
, 0, 32);
336 if (target
->state
!= TARGET_HALTED
)
338 return ERROR_TARGET_NOT_HALTED
;
341 buf_set_u32(reg
->value
, 0, reg
->size
, value
);
348 static int dsp563xx_read_register(struct target
*target
, int num
, int force
);
349 static int dsp563xx_write_register(struct target
*target
, int num
, int force
);
351 static int dsp563xx_reg_read_high_io(struct target
*target
, uint32_t instr_mask
, uint32_t * data
)
355 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
357 /* we use r0 to store temporary data */
358 if (!dsp563xx
->core_cache
->reg_list
[REG_NUM_R0
].valid
)
359 dsp563xx
->read_core_reg(target
, REG_NUM_R0
);
361 /* move source memory to r0 */
362 instr
= INSTR_MOVEP_REG_HIO(0, 0, EAME_R0
, instr_mask
);
363 if ((err
= dsp563xx_once_execute_sw_ir_nq(target
->tap
, instr
)) != ERROR_OK
)
365 /* move r0 to debug register */
366 instr
= INSTR_MOVEP_REG_HIO(0, 1, EAME_R0
, 0xfffffc);
367 if ((err
= dsp563xx_once_execute_sw_ir(target
->tap
, instr
)) != ERROR_OK
)
369 /* read debug register */
370 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OGDBR
, data
)) != ERROR_OK
)
372 /* r0 is no longer valid on target */
373 dsp563xx
->core_cache
->reg_list
[REG_NUM_R0
].dirty
= 1;
378 static int dsp563xx_reg_write_high_io(struct target
*target
, uint32_t instr_mask
, uint32_t data
)
382 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
384 /* we use r0 to store temporary data */
385 if (!dsp563xx
->core_cache
->reg_list
[REG_NUM_R0
].valid
)
386 dsp563xx
->read_core_reg(target
, REG_NUM_R0
);
388 /* move data to r0 */
389 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, 0x60F400, data
)) != ERROR_OK
)
391 /* move r0 to destination memory */
392 instr
= INSTR_MOVEP_REG_HIO(0, 1, EAME_R0
, instr_mask
);
393 if ((err
= dsp563xx_once_execute_sw_ir(target
->tap
, instr
)) != ERROR_OK
)
396 /* r0 is no longer valid on target */
397 dsp563xx
->core_cache
->reg_list
[REG_NUM_R0
].dirty
= 1;
402 static int dsp563xx_reg_read(struct target
*target
, uint32_t eame
, uint32_t * data
)
407 instr
= INSTR_MOVEP_REG_HIO(0, 1, eame
, 0xfffffc);
408 if ((err
= dsp563xx_once_execute_sw_ir_nq(target
->tap
, instr
)) != ERROR_OK
)
411 if ((err
= dsp563xx_once_execute_sw_ir(target
->tap
, 0x000000)) != ERROR_OK
)
413 /* read debug register */
414 return dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OGDBR
, data
);
417 static int dsp563xx_reg_write(struct target
*target
, uint32_t instr_mask
, uint32_t data
)
421 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, instr_mask
, data
)) != ERROR_OK
)
424 return dsp563xx_once_execute_sw_ir(target
->tap
, 0x000000);
427 static int dsp563xx_reg_pc_read(struct target
*target
)
430 uint32_t opabdr
, opabex
;
431 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
433 /* pc was changed, nothing todo */
434 if (dsp563xx
->core_cache
->reg_list
[REG_NUM_PC
].dirty
)
437 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPABDR
, &opabdr
)) != ERROR_OK
)
439 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPABEX
, &opabex
)) != ERROR_OK
)
442 /* conditional branch check */
443 if (opabdr
== opabex
)
445 /* TODO: check the trace buffer and if a
446 * conditional branch is detected then decode
447 * the branch command and add the relative
448 * address to the current pc
450 LOG_DEBUG("%s conditional branch not supported yet", __FUNCTION__
);
454 dsp563xx
->core_regs
[REG_NUM_PC
] = opabex
;
455 dsp563xx
->read_core_reg(target
, REG_NUM_PC
);
461 static int dsp563xx_reg_ssh_read(struct target
*target
)
465 struct dsp563xx_core_reg
*arch_info
;
466 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
468 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_SSH
].arch_info
;
470 /* get a valid stack pointer */
471 if ((err
= dsp563xx_read_register(target
, REG_NUM_SP
, 0)) != ERROR_OK
)
473 sp
= dsp563xx
->core_regs
[REG_NUM_SP
];
474 if ((err
= dsp563xx_write_register(target
, REG_NUM_SP
, 0)) != ERROR_OK
)
477 /* get a valid stack count */
478 if ((err
= dsp563xx_read_register(target
, REG_NUM_SC
, 0)) != ERROR_OK
)
480 sc
= dsp563xx
->core_regs
[REG_NUM_SC
];
481 if ((err
= dsp563xx_write_register(target
, REG_NUM_SC
, 0)) != ERROR_OK
)
484 /* get a valid extended pointer */
485 if ((err
= dsp563xx_read_register(target
, REG_NUM_EP
, 0)) != ERROR_OK
)
487 ep
= dsp563xx
->core_regs
[REG_NUM_EP
];
488 if ((err
= dsp563xx_write_register(target
, REG_NUM_EP
, 0)) != ERROR_OK
)
497 if ((err
= dsp563xx_reg_read(target
, arch_info
->eame
, &sp
)) != ERROR_OK
)
500 if ((err
= dsp563xx_write_register(target
, REG_NUM_SC
, 1)) != ERROR_OK
)
502 if ((err
= dsp563xx_write_register(target
, REG_NUM_SP
, 1)) != ERROR_OK
)
504 if ((err
= dsp563xx_write_register(target
, REG_NUM_EP
, 1)) != ERROR_OK
)
508 dsp563xx
->core_regs
[REG_NUM_SSH
] = sp
;
509 dsp563xx
->read_core_reg(target
, REG_NUM_SSH
);
514 static int dsp563xx_reg_ssh_write(struct target
*target
)
518 struct dsp563xx_core_reg
*arch_info
;
519 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
521 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_SSH
].arch_info
;
523 /* get a valid stack pointer */
524 if ((err
= dsp563xx_read_register(target
, REG_NUM_SP
, 0)) != ERROR_OK
)
526 sp
= dsp563xx
->core_regs
[REG_NUM_SP
];
531 /* write new stackpointer */
532 dsp563xx
->core_regs
[REG_NUM_SP
] = sp
;
533 if ((err
= dsp563xx
->read_core_reg(target
, REG_NUM_SP
)) != ERROR_OK
)
535 if ((err
= dsp563xx_write_register(target
, REG_NUM_SP
, 1)) != ERROR_OK
)
538 if ((err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, dsp563xx
->core_regs
[REG_NUM_SSH
])) != ERROR_OK
)
541 if ((err
= dsp563xx_read_register(target
, REG_NUM_SP
, 1)) != ERROR_OK
)
543 if ((err
= dsp563xx_read_register(target
, REG_NUM_SSH
, 1)) != ERROR_OK
)
550 static int dsp563xx_reg_ssl_read(struct target
*target
)
554 struct dsp563xx_core_reg
*arch_info
;
555 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
557 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_SSL
].arch_info
;
559 /* get a valid stack pointer */
560 if ((err
= dsp563xx_read_register(target
, REG_NUM_SP
, 0)) != ERROR_OK
)
562 sp
= dsp563xx
->core_regs
[REG_NUM_SP
];
570 if ((err
= dsp563xx_reg_read(target
, arch_info
->eame
, &sp
)) != ERROR_OK
)
574 dsp563xx
->core_regs
[REG_NUM_SSL
] = sp
;
575 dsp563xx
->read_core_reg(target
, REG_NUM_SSL
);
580 static int dsp563xx_read_register(struct target
*target
, int num
, int force
)
584 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
585 struct dsp563xx_core_reg
*arch_info
;
588 dsp563xx
->core_cache
->reg_list
[num
].valid
= 0;
590 if (!dsp563xx
->core_cache
->reg_list
[num
].valid
)
592 arch_info
= dsp563xx
->core_cache
->reg_list
[num
].arch_info
;
594 switch (arch_info
->num
)
597 err
= dsp563xx_reg_ssh_read(target
);
600 err
= dsp563xx_reg_ssl_read(target
);
603 err
= dsp563xx_reg_pc_read(target
);
613 err
= dsp563xx_reg_read_high_io(target
, arch_info
->instr_mask
, &data
);
616 dsp563xx
->core_regs
[num
] = data
;
617 dsp563xx
->read_core_reg(target
, num
);
621 err
= dsp563xx_reg_read(target
, arch_info
->eame
, &data
);
624 dsp563xx
->core_regs
[num
] = data
;
625 dsp563xx
->read_core_reg(target
, num
);
635 static int dsp563xx_write_register(struct target
*target
, int num
, int force
)
638 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
639 struct dsp563xx_core_reg
*arch_info
;
642 dsp563xx
->core_cache
->reg_list
[num
].dirty
= 1;
644 if (dsp563xx
->core_cache
->reg_list
[num
].dirty
)
646 arch_info
= dsp563xx
->core_cache
->reg_list
[num
].arch_info
;
648 dsp563xx
->write_core_reg(target
, num
);
650 switch (arch_info
->num
)
653 err
= dsp563xx_reg_ssh_write(target
);
656 /* pc is updated on resume, no need to write it here */
666 err
= dsp563xx_reg_write_high_io(target
, arch_info
->instr_mask
, dsp563xx
->core_regs
[num
]);
669 err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, dsp563xx
->core_regs
[num
]);
671 if ((err
== ERROR_OK
) && (arch_info
->num
== REG_NUM_SP
))
673 dsp563xx
->core_cache
->reg_list
[REG_NUM_SSH
].valid
= 0;
674 dsp563xx
->core_cache
->reg_list
[REG_NUM_SSL
].valid
= 0;
684 static int dsp563xx_save_context(struct target
*target
)
686 int i
, err
= ERROR_OK
;
688 for (i
= 0; i
< DSP563XX_NUMCOREREGS
; i
++)
690 if ((err
= dsp563xx_read_register(target
, i
, 0)) != ERROR_OK
)
697 static int dsp563xx_restore_context(struct target
*target
)
699 int i
, err
= ERROR_OK
;
701 for (i
= 0; i
< DSP563XX_NUMCOREREGS
; i
++)
703 if ((err
= dsp563xx_write_register(target
, i
, 0)) != ERROR_OK
)
710 static const struct reg_arch_type dsp563xx_reg_type
= {
711 .get
= dsp563xx_get_core_reg
,
712 .set
= dsp563xx_set_core_reg
,
715 static int dsp563xx_init_target(struct command_context
*cmd_ctx
, struct target
*target
)
717 /* get pointers to arch-specific information */
718 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
720 struct reg_cache
**cache_p
= register_get_last_cache_p(&target
->reg_cache
);
721 struct reg_cache
*cache
= malloc(sizeof(struct reg_cache
));
722 struct reg
*reg_list
= malloc(sizeof(struct reg
) * DSP563XX_NUMCOREREGS
);
723 struct dsp563xx_core_reg
*arch_info
= malloc(sizeof(struct dsp563xx_core_reg
) * DSP563XX_NUMCOREREGS
);
726 LOG_DEBUG("%s", __FUNCTION__
);
728 /* Build the process context cache */
729 cache
->name
= "dsp563xx registers";
731 cache
->reg_list
= reg_list
;
732 cache
->num_regs
= DSP563XX_NUMCOREREGS
;
734 dsp563xx
->core_cache
= cache
;
736 for (i
= 0; i
< DSP563XX_NUMCOREREGS
; i
++)
738 arch_info
[i
].num
= dsp563xx_regs
[i
].id
;
739 arch_info
[i
].name
= dsp563xx_regs
[i
].name
;
740 arch_info
[i
].size
= dsp563xx_regs
[i
].bits
;
741 arch_info
[i
].eame
= dsp563xx_regs
[i
].eame
;
742 arch_info
[i
].instr_mask
= dsp563xx_regs
[i
].instr_mask
;
743 arch_info
[i
].target
= target
;
744 arch_info
[i
].dsp563xx_common
= dsp563xx
;
745 reg_list
[i
].name
= dsp563xx_regs
[i
].name
;
746 reg_list
[i
].size
= dsp563xx_regs
[i
].bits
;
747 reg_list
[i
].value
= calloc(1, 4);
748 reg_list
[i
].dirty
= 0;
749 reg_list
[i
].valid
= 0;
750 reg_list
[i
].type
= &dsp563xx_reg_type
;
751 reg_list
[i
].arch_info
= &arch_info
[i
];
757 static int dsp563xx_arch_state(struct target
*target
)
759 LOG_DEBUG("%s", __FUNCTION__
);
763 #define DSP563XX_SR_SA (1<<17)
764 #define DSP563XX_SR_SC (1<<13)
766 static int dsp563xx_debug_once_init(struct target
*target
)
768 return dsp563xx_once_read_register(target
->tap
, once_regs
, DSP563XX_NUMONCEREGS
);
771 static int dsp563xx_debug_init(struct target
*target
)
775 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
776 struct dsp563xx_core_reg
*arch_info
;
778 if ((err
= dsp563xx_debug_once_init(target
)) != ERROR_OK
)
781 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_SR
].arch_info
;
783 /* check 24bit mode */
784 if ((err
= dsp563xx_read_register(target
, REG_NUM_SR
, 0)) != ERROR_OK
)
787 sr
= dsp563xx
->core_regs
[REG_NUM_SR
];
789 if (sr
& (DSP563XX_SR_SA
| DSP563XX_SR_SC
))
791 sr
&= ~(DSP563XX_SR_SA
| DSP563XX_SR_SC
);
793 if ((err
= dsp563xx_once_execute_dw_ir(target
->tap
, arch_info
->instr_mask
, sr
)) != ERROR_OK
)
795 dsp563xx
->core_cache
->reg_list
[REG_NUM_SR
].dirty
= 1;
798 if ((err
= dsp563xx_read_register(target
, REG_NUM_N0
, 0)) != ERROR_OK
)
800 if ((err
= dsp563xx_read_register(target
, REG_NUM_N1
, 0)) != ERROR_OK
)
802 if ((err
= dsp563xx_read_register(target
, REG_NUM_M0
, 0)) != ERROR_OK
)
804 if ((err
= dsp563xx_read_register(target
, REG_NUM_M1
, 0)) != ERROR_OK
)
807 if (dsp563xx
->core_regs
[REG_NUM_N0
] != 0x000000)
809 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_N0
].arch_info
;
810 if ((err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, 0x000000)) != ERROR_OK
)
813 dsp563xx
->core_cache
->reg_list
[REG_NUM_N0
].dirty
= 1;
815 if (dsp563xx
->core_regs
[REG_NUM_N1
] != 0x000000)
817 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_N1
].arch_info
;
818 if ((err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, 0x000000)) != ERROR_OK
)
821 dsp563xx
->core_cache
->reg_list
[REG_NUM_N1
].dirty
= 1;
823 if (dsp563xx
->core_regs
[REG_NUM_M0
] != 0xffffff)
825 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_M0
].arch_info
;
826 if ((err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, 0xffffff)) != ERROR_OK
)
829 dsp563xx
->core_cache
->reg_list
[REG_NUM_M0
].dirty
= 1;
831 if (dsp563xx
->core_regs
[REG_NUM_M1
] != 0xffffff)
833 arch_info
= dsp563xx
->core_cache
->reg_list
[REG_NUM_M1
].arch_info
;
834 if ((err
= dsp563xx_reg_write(target
, arch_info
->instr_mask
, 0xffffff)) != ERROR_OK
)
837 dsp563xx
->core_cache
->reg_list
[REG_NUM_M1
].dirty
= 1;
839 if ((err
= dsp563xx_save_context(target
)) != ERROR_OK
)
845 static int dsp563xx_jtag_debug_request(struct target
*target
)
847 return dsp563xx_once_request_debug(target
->tap
, target
->state
== TARGET_RESET
);
850 static int dsp563xx_poll(struct target
*target
)
853 uint32_t once_status
;
856 state
= dsp563xx_once_target_status(target
->tap
);
858 if (state
== TARGET_UNKNOWN
)
860 target
->state
= state
;
861 LOG_ERROR("jtag status contains invalid mode value - communication failure");
862 return ERROR_TARGET_FAILURE
;
865 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OSCR
, &once_status
)) != ERROR_OK
)
868 if ((once_status
& DSP563XX_ONCE_OSCR_DEBUG_M
) == DSP563XX_ONCE_OSCR_DEBUG_M
)
870 if (target
->state
!= TARGET_HALTED
)
872 target
->state
= TARGET_HALTED
;
873 if ((err
= dsp563xx_debug_init(target
)) != ERROR_OK
)
876 LOG_DEBUG("target->state: %s", target_state_name(target
));
883 static int dsp563xx_halt(struct target
*target
)
886 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
888 if (target
->state
== TARGET_HALTED
)
890 LOG_DEBUG("target was already halted");
894 if (target
->state
== TARGET_UNKNOWN
)
896 LOG_WARNING("target was in unknown state when halt was requested");
899 if ((err
= dsp563xx_jtag_debug_request(target
)) != ERROR_OK
)
902 /* store pipeline register */
903 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPILR
, &dsp563xx
->pipeline_context
.once_opilr
)) != ERROR_OK
)
905 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPDBR
, &dsp563xx
->pipeline_context
.once_opdbr
)) != ERROR_OK
)
908 LOG_DEBUG("%s", __FUNCTION__
);
913 static int dsp563xx_resume(struct target
*target
, int current
, uint32_t address
, int handle_breakpoints
, int debug_execution
)
916 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
918 LOG_DEBUG("%s", __FUNCTION__
);
920 if ((err
= dsp563xx_restore_context(target
)) != ERROR_OK
)
922 register_cache_invalidate(dsp563xx
->core_cache
);
926 /* restore pipeline registers and go */
927 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPILR
, dsp563xx
->pipeline_context
.once_opilr
)) != ERROR_OK
)
930 dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPDBR
| DSP563XX_ONCE_OCR_EX
| DSP563XX_ONCE_OCR_GO
,
931 dsp563xx
->pipeline_context
.once_opdbr
)) != ERROR_OK
)
936 /* set to go register and jump */
937 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPDBR
, INSTR_JUMP
)) != ERROR_OK
)
939 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_PDBGOTO
| DSP563XX_ONCE_OCR_EX
| DSP563XX_ONCE_OCR_GO
, address
)) != ERROR_OK
)
943 target
->state
= TARGET_RUNNING
;
948 static int dsp563xx_step_ex(struct target
*target
, int current
, uint32_t address
, int handle_breakpoints
, int steps
)
951 uint32_t once_status
;
953 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
955 if (target
->state
!= TARGET_HALTED
)
957 LOG_DEBUG("target was not halted");
961 LOG_DEBUG("%s %08X %08X", __FUNCTION__
, current
, (unsigned) address
);
963 if ((err
= dsp563xx_jtag_debug_request(target
)) != ERROR_OK
)
965 if ((err
= dsp563xx_restore_context(target
)) != ERROR_OK
)
968 /* reset trace mode */
969 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OSCR
, 0x000000)) != ERROR_OK
)
971 /* enable trace mode */
972 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OSCR
, DSP563XX_ONCE_OSCR_TME
)) != ERROR_OK
)
977 /* on JUMP we need one extra cycle */
981 /* load step counter with N-1 */
982 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OTC
, cnt
)) != ERROR_OK
)
987 /* restore pipeline registers and go */
988 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPILR
, dsp563xx
->pipeline_context
.once_opilr
)) != ERROR_OK
)
991 dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPDBR
| DSP563XX_ONCE_OCR_EX
| DSP563XX_ONCE_OCR_GO
,
992 dsp563xx
->pipeline_context
.once_opdbr
)) != ERROR_OK
)
997 /* set to go register and jump */
998 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OPDBR
, INSTR_JUMP
)) != ERROR_OK
)
1000 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_PDBGOTO
| DSP563XX_ONCE_OCR_EX
| DSP563XX_ONCE_OCR_GO
, address
)) != ERROR_OK
)
1006 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OSCR
, &once_status
)) != ERROR_OK
)
1009 if (once_status
& DSP563XX_ONCE_OSCR_TO
)
1011 /* store pipeline register */
1012 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPILR
, &dsp563xx
->pipeline_context
.once_opilr
)) != ERROR_OK
)
1014 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPDBR
, &dsp563xx
->pipeline_context
.once_opdbr
)) != ERROR_OK
)
1017 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPABFR
, &dr_in
)) != ERROR_OK
)
1019 LOG_DEBUG("fetch: %08X", (unsigned) dr_in
);
1020 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPABDR
, &dr_in
)) != ERROR_OK
)
1022 LOG_DEBUG("decode: %08X", (unsigned) dr_in
);
1023 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OPABEX
, &dr_in
)) != ERROR_OK
)
1025 LOG_DEBUG("execute: %08X", (unsigned) dr_in
);
1027 /* reset trace mode */
1028 if ((err
= dsp563xx_once_reg_write(target
->tap
, DSP563XX_ONCE_OSCR
, 0x000000)) != ERROR_OK
)
1031 register_cache_invalidate(dsp563xx
->core_cache
);
1032 if ((err
= dsp563xx_debug_init(target
)) != ERROR_OK
)
1042 static int dsp563xx_step(struct target
*target
, int current
, uint32_t address
, int handle_breakpoints
)
1044 return dsp563xx_step_ex(target
, current
, address
, handle_breakpoints
, 0);
1047 static int dsp563xx_assert_reset(struct target
*target
)
1050 struct dsp563xx_common
*dsp563xx
= target_to_dsp563xx(target
);
1051 enum reset_types jtag_reset_config
= jtag_get_reset_config();
1053 if (jtag_reset_config
& RESET_HAS_SRST
)
1055 /* default to asserting srst */
1056 if (jtag_reset_config
& RESET_SRST_PULLS_TRST
)
1058 jtag_add_reset(1, 1);
1062 jtag_add_reset(0, 1);
1066 target
->state
= TARGET_RESET
;
1067 jtag_add_sleep(5000);
1069 /* registers are now invalid */
1070 register_cache_invalidate(dsp563xx
->core_cache
);
1072 if (target
->reset_halt
)
1074 if ((retval
= target_halt(target
)) != ERROR_OK
)
1078 LOG_DEBUG("%s", __FUNCTION__
);
1082 static int dsp563xx_deassert_reset(struct target
*target
)
1086 /* deassert reset lines */
1087 jtag_add_reset(0, 0);
1089 if ((err
= dsp563xx_poll(target
)) != ERROR_OK
)
1092 if (target
->reset_halt
)
1094 if (target
->state
== TARGET_HALTED
)
1096 /* after a reset the cpu jmp to the
1097 * reset vector and need 2 cycles to fill
1098 * the cache (fetch,decode,excecute)
1100 if ((err
= dsp563xx_step_ex(target
, 1, 0, 1, 1)) != ERROR_OK
)
1105 // target->state = TARGET_RUNNING;
1107 LOG_DEBUG("%s", __FUNCTION__
);
1111 static int dsp563xx_soft_reset_halt(struct target
*target
)
1113 LOG_DEBUG("%s", __FUNCTION__
);
1119 * 46F400 AABBCC move #$aabbcc,y0
1120 * 60F400 AABBCC move #$aabbcc,r0
1121 * 467000 AABBCC move y0,x:AABBCC
1122 * 607000 AABBCC move r0,x:AABBCC
1124 * 46E000 move x:(r0),y0
1125 * 4EE000 move y:(r0),y0
1126 * 07E086 move p:(r0),y0
1129 * 0446BA move omr,y0
1130 * 0446BC move ssh,y0
1131 * 0446BD move ssl,y0
1135 * 61F000 AABBCC move x:AABBCC,r1
1136 * 076190 movem r0,p:(r1)
1139 static int dsp563xx_read_memory_p(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t count
, uint8_t * buffer
)
1146 LOG_DEBUG("address: 0x%8.8" PRIx32
", size: 0x%8.8" PRIx32
", count: 0x%8.8" PRIx32
, address
, size
, count
);
1148 if (target
->state
!= TARGET_HALTED
)
1150 LOG_WARNING("target not halted");
1151 return ERROR_TARGET_NOT_HALTED
;
1156 for (i
= 0; i
< x
; i
++)
1158 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, 0x60F400, address
+ i
)) != ERROR_OK
)
1160 if ((err
= dsp563xx_once_execute_sw_ir_nq(target
->tap
, 0x07E086)) != ERROR_OK
)
1162 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, 0x467000, 0xfffffc)) != ERROR_OK
)
1164 if ((err
= jtag_execute_queue()) != ERROR_OK
)
1167 if ((err
= dsp563xx_once_reg_read(target
->tap
, DSP563XX_ONCE_OGDBR
, &data
)) != ERROR_OK
)
1184 static int dsp563xx_write_memory_p(struct target
*target
, uint32_t address
, uint32_t size
, uint32_t count
, uint8_t * buffer
)
1191 LOG_DEBUG("address: 0x%8.8" PRIx32
", size: 0x%8.8" PRIx32
", count: 0x%8.8" PRIx32
"", address
, size
, count
);
1193 if (target
->state
!= TARGET_HALTED
)
1195 LOG_WARNING("target not halted");
1196 return ERROR_TARGET_NOT_HALTED
;
1201 for (i
= 0; i
< x
; i
++)
1209 data
|= (*buffer
++) << 8;
1211 data
|= (*buffer
++) << 16;
1213 data
|= (*buffer
++) << 24;
1215 // LOG_DEBUG("%08X", data);
1217 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, 0x61F400, address
+ i
)) != ERROR_OK
)
1219 if ((err
= dsp563xx_once_execute_dw_ir_nq(target
->tap
, 0x60F400, data
)) != ERROR_OK
)
1221 if ((err
= dsp563xx_once_execute_sw_ir_nq(target
->tap
, 0x076190)) != ERROR_OK
)
1223 if ((err
= jtag_execute_queue()) != ERROR_OK
)
1230 /** Holds methods for DSP563XX targets. */
1231 struct target_type dsp563xx_target
= {
1234 .poll
= dsp563xx_poll
,
1235 .arch_state
= dsp563xx_arch_state
,
1237 .target_request_data
= NULL
,
1239 .get_gdb_reg_list
= dsp563xx_get_gdb_reg_list
,
1241 .halt
= dsp563xx_halt
,
1242 .resume
= dsp563xx_resume
,
1243 .step
= dsp563xx_step
,
1245 .assert_reset
= dsp563xx_assert_reset
,
1246 .deassert_reset
= dsp563xx_deassert_reset
,
1247 .soft_reset_halt
= dsp563xx_soft_reset_halt
,
1249 .read_memory
= dsp563xx_read_memory_p
,
1250 .write_memory
= dsp563xx_write_memory_p
,
1252 .target_create
= dsp563xx_target_create
,
1253 .init_target
= dsp563xx_init_target
,