Rev 3386 | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 3386 | Rev 4153 | ||
---|---|---|---|
Line 35... | Line 35... | ||
35 | #include <arch/debugger.h> |
35 | #include <arch/debugger.h> |
36 | #include <arch/barrier.h> |
36 | #include <arch/barrier.h> |
37 | #include <memstr.h> |
37 | #include <memstr.h> |
38 | #include <console/kconsole.h> |
38 | #include <console/kconsole.h> |
39 | #include <console/cmd.h> |
39 | #include <console/cmd.h> |
40 | #include <symtab.h> |
- | |
41 | #include <print.h> |
40 | #include <print.h> |
42 | #include <panic.h> |
41 | #include <panic.h> |
43 | #include <arch.h> |
42 | #include <arch.h> |
44 | #include <arch/cp0.h> |
43 | #include <arch/cp0.h> |
45 | #include <func.h> |
44 | #include <func.h> |
- | 45 | #include <symtab.h> |
|
46 | 46 | ||
47 | bpinfo_t breakpoints[BKPOINTS_MAX]; |
47 | bpinfo_t breakpoints[BKPOINTS_MAX]; |
48 | SPINLOCK_INITIALIZE(bkpoint_lock); |
48 | SPINLOCK_INITIALIZE(bkpoint_lock); |
49 | 49 | ||
- | 50 | #ifdef CONFIG_KCONSOLE |
|
- | 51 | ||
50 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
52 | static int cmd_print_breakpoints(cmd_arg_t *argv); |
51 | static cmd_info_t bkpts_info = { |
53 | static cmd_info_t bkpts_info = { |
52 | .name = "bkpts", |
54 | .name = "bkpts", |
53 | .description = "Print breakpoint table.", |
55 | .description = "Print breakpoint table.", |
54 | .func = cmd_print_breakpoints, |
56 | .func = cmd_print_breakpoints, |
Line 121... | Line 123... | ||
121 | {0xfc000000, 0x0c000000}, /* JAL */ |
123 | {0xfc000000, 0x0c000000}, /* JAL */ |
122 | {0xfc1f07ff, 0x00000009}, /* JALR */ |
124 | {0xfc1f07ff, 0x00000009}, /* JALR */ |
123 | {0, 0} /* EndOfTable */ |
125 | {0, 0} /* EndOfTable */ |
124 | }; |
126 | }; |
125 | 127 | ||
- | 128 | ||
126 | /** Test, if the given instruction is a jump or branch instruction |
129 | /** Test, if the given instruction is a jump or branch instruction |
127 | * |
130 | * |
128 | * @param instr Instruction code |
131 | * @param instr Instruction code |
129 | * @return true - it is jump instruction, false otherwise |
132 | * @return true - it is jump instruction, false otherwise |
- | 133 | * |
|
130 | */ |
134 | */ |
131 | static bool is_jump(unative_t instr) |
135 | static bool is_jump(unative_t instr) |
132 | { |
136 | { |
133 | int i; |
137 | int i; |
134 | 138 | ||
Line 156... | Line 160... | ||
156 | 160 | ||
157 | /* Check, that the breakpoints do not conflict */ |
161 | /* Check, that the breakpoints do not conflict */ |
158 | for (i = 0; i < BKPOINTS_MAX; i++) { |
162 | for (i = 0; i < BKPOINTS_MAX; i++) { |
159 | if (breakpoints[i].address == (uintptr_t)argv->intval) { |
163 | if (breakpoints[i].address == (uintptr_t)argv->intval) { |
160 | printf("Duplicate breakpoint %d.\n", i); |
164 | printf("Duplicate breakpoint %d.\n", i); |
161 | spinlock_unlock(&bkpoints_lock); |
165 | spinlock_unlock(&bkpoint_lock); |
162 | return 0; |
166 | return 0; |
163 | } else if (breakpoints[i].address == (uintptr_t)argv->intval + |
167 | } else if (breakpoints[i].address == (uintptr_t)argv->intval + |
164 | sizeof(unative_t) || breakpoints[i].address == |
168 | sizeof(unative_t) || breakpoints[i].address == |
165 | (uintptr_t)argv->intval - sizeof(unative_t)) { |
169 | (uintptr_t)argv->intval - sizeof(unative_t)) { |
166 | printf("Adjacent breakpoints not supported, conflict " |
170 | printf("Adjacent breakpoints not supported, conflict " |
167 | "with %d.\n", i); |
171 | "with %d.\n", i); |
168 | spinlock_unlock(&bkpoints_lock); |
172 | spinlock_unlock(&bkpoint_lock); |
169 | return 0; |
173 | return 0; |
170 | } |
174 | } |
171 | 175 | ||
172 | } |
176 | } |
173 | 177 | ||
174 | for (i = 0; i < BKPOINTS_MAX; i++) |
178 | for (i = 0; i < BKPOINTS_MAX; i++) |
175 | if (!breakpoints[i].address) { |
179 | if (!breakpoints[i].address) { |
176 | cur = &breakpoints[i]; |
180 | cur = &breakpoints[i]; |
Line 253... | Line 257... | ||
253 | printf("# Count Address INPROG ONESHOT FUNCCALL In symbol\n"); |
257 | printf("# Count Address INPROG ONESHOT FUNCCALL In symbol\n"); |
254 | printf("-- ----- ---------- ------ ------- -------- ---------\n"); |
258 | printf("-- ----- ---------- ------ ------- -------- ---------\n"); |
255 | 259 | ||
256 | for (i = 0; i < BKPOINTS_MAX; i++) |
260 | for (i = 0; i < BKPOINTS_MAX; i++) |
257 | if (breakpoints[i].address) { |
261 | if (breakpoints[i].address) { |
- | 262 | symbol = symtab_fmt_name_lookup( |
|
258 | symbol = get_symtab_entry(breakpoints[i].address); |
263 | breakpoints[i].address); |
259 | 264 | ||
260 | printf("%-2u %-5d %#10zx %-6s %-7s %-8s %s\n", i, |
265 | printf("%-2u %-5d %#10zx %-6s %-7s %-8s %s\n", i, |
261 | breakpoints[i].counter, breakpoints[i].address, |
266 | breakpoints[i].counter, breakpoints[i].address, |
262 | ((breakpoints[i].flags & BKPOINT_INPROG) ? "true" : |
267 | ((breakpoints[i].flags & BKPOINT_INPROG) ? "true" : |
263 | "false"), ((breakpoints[i].flags & BKPOINT_ONESHOT) |
268 | "false"), ((breakpoints[i].flags & BKPOINT_ONESHOT) |
264 | ? "true" : "false"), ((breakpoints[i].flags & |
269 | ? "true" : "false"), ((breakpoints[i].flags & |
265 | BKPOINT_FUNCCALL) ? "true" : "false"), symbol); |
270 | BKPOINT_FUNCCALL) ? "true" : "false"), symbol); |
266 | } |
271 | } |
267 | return 1; |
272 | return 1; |
268 | } |
273 | } |
269 | 274 | ||
- | 275 | #endif |
|
- | 276 | ||
270 | /** Initialize debugger */ |
277 | /** Initialize debugger */ |
271 | void debugger_init() |
278 | void debugger_init() |
272 | { |
279 | { |
273 | int i; |
280 | int i; |
274 | 281 | ||
275 | for (i = 0; i < BKPOINTS_MAX; i++) |
282 | for (i = 0; i < BKPOINTS_MAX; i++) |
276 | breakpoints[i].address = NULL; |
283 | breakpoints[i].address = NULL; |
277 | 284 | ||
- | 285 | #ifdef CONFIG_KCONSOLE |
|
278 | cmd_initialize(&bkpts_info); |
286 | cmd_initialize(&bkpts_info); |
279 | if (!cmd_register(&bkpts_info)) |
287 | if (!cmd_register(&bkpts_info)) |
280 | panic("could not register command %s\n", bkpts_info.name); |
288 | printf("Cannot register command %s\n", bkpts_info.name); |
281 | 289 | ||
282 | cmd_initialize(&delbkpt_info); |
290 | cmd_initialize(&delbkpt_info); |
283 | if (!cmd_register(&delbkpt_info)) |
291 | if (!cmd_register(&delbkpt_info)) |
284 | panic("could not register command %s\n", delbkpt_info.name); |
292 | printf("Cannot register command %s\n", delbkpt_info.name); |
285 | 293 | ||
286 | cmd_initialize(&addbkpt_info); |
294 | cmd_initialize(&addbkpt_info); |
287 | if (!cmd_register(&addbkpt_info)) |
295 | if (!cmd_register(&addbkpt_info)) |
288 | panic("could not register command %s\n", addbkpt_info.name); |
296 | printf("Cannot register command %s\n", addbkpt_info.name); |
289 | 297 | ||
290 | cmd_initialize(&addbkpte_info); |
298 | cmd_initialize(&addbkpte_info); |
291 | if (!cmd_register(&addbkpte_info)) |
299 | if (!cmd_register(&addbkpte_info)) |
292 | panic("could not register command %s\n", addbkpte_info.name); |
300 | printf("Cannot register command %s\n", addbkpte_info.name); |
- | 301 | #endif |
|
293 | } |
302 | } |
294 | 303 | ||
295 | /** Handle breakpoint |
304 | /** Handle breakpoint |
296 | * |
305 | * |
297 | * Find breakpoint in breakpoint table. |
306 | * Find breakpoint in breakpoint table. |
Line 306... | Line 315... | ||
306 | uintptr_t fireaddr = istate->epc; |
315 | uintptr_t fireaddr = istate->epc; |
307 | int i; |
316 | int i; |
308 | 317 | ||
309 | /* test branch delay slot */ |
318 | /* test branch delay slot */ |
310 | if (cp0_cause_read() & 0x80000000) |
319 | if (cp0_cause_read() & 0x80000000) |
311 | panic("Breakpoint in branch delay slot not supported.\n"); |
320 | panic("Breakpoint in branch delay slot not supported."); |
312 | 321 | ||
313 | spinlock_lock(&bkpoint_lock); |
322 | spinlock_lock(&bkpoint_lock); |
314 | for (i = 0; i < BKPOINTS_MAX; i++) { |
323 | for (i = 0; i < BKPOINTS_MAX; i++) { |
315 | /* Normal breakpoint */ |
324 | /* Normal breakpoint */ |
316 | if (fireaddr == breakpoints[i].address && |
325 | if (fireaddr == breakpoints[i].address && |
Line 338... | Line 347... | ||
338 | return; |
347 | return; |
339 | } |
348 | } |
340 | if (cur->flags & BKPOINT_INPROG) |
349 | if (cur->flags & BKPOINT_INPROG) |
341 | printf("Warning: breakpoint recursion\n"); |
350 | printf("Warning: breakpoint recursion\n"); |
342 | 351 | ||
343 | if (!(cur->flags & BKPOINT_FUNCCALL)) |
352 | if (!(cur->flags & BKPOINT_FUNCCALL)) { |
344 | printf("***Breakpoint %d: %p in %s.\n", i, fireaddr, |
353 | printf("***Breakpoint %d: %p in %s.\n", i, fireaddr, |
345 | get_symtab_entry(istate->epc)); |
354 | symtab_fmt_name_lookup(istate->epc)); |
- | 355 | } |
|
346 | 356 | ||
347 | /* Return first instruction back */ |
357 | /* Return first instruction back */ |
348 | ((uint32_t *)cur->address)[0] = cur->instruction; |
358 | ((uint32_t *)cur->address)[0] = cur->instruction; |
349 | smc_coherence(cur->address); |
359 | smc_coherence(cur->address); |
350 | 360 | ||
Line 353... | Line 363... | ||
353 | ((uint32_t *)cur->address)[1] = 0x0d; |
363 | ((uint32_t *)cur->address)[1] = 0x0d; |
354 | cur->flags |= BKPOINT_REINST; |
364 | cur->flags |= BKPOINT_REINST; |
355 | } |
365 | } |
356 | cur->flags |= BKPOINT_INPROG; |
366 | cur->flags |= BKPOINT_INPROG; |
357 | } else { |
367 | } else { |
358 | printf("***Breakpoint %p in %s.\n", fireaddr, |
368 | printf("***Breakpoint %d: %p in %s.\n", i, fireaddr, |
359 | get_symtab_entry(fireaddr)); |
369 | symtab_fmt_name_lookup(fireaddr)); |
- | 370 | ||
360 | /* Move on to next instruction */ |
371 | /* Move on to next instruction */ |
361 | istate->epc += 4; |
372 | istate->epc += 4; |
362 | } |
373 | } |
363 | if (cur) |
374 | if (cur) |
364 | cur->counter++; |
375 | cur->counter++; |
365 | if (cur && (cur->flags & BKPOINT_FUNCCALL)) { |
376 | if (cur && (cur->flags & BKPOINT_FUNCCALL)) { |
366 | /* Allow zero bkfunc, just for counting */ |
377 | /* Allow zero bkfunc, just for counting */ |
367 | if (cur->bkfunc) |
378 | if (cur->bkfunc) |
368 | cur->bkfunc(cur, istate); |
379 | cur->bkfunc(cur, istate); |
369 | } else { |
380 | } else { |
370 | printf("***Type 'exit' to exit kconsole.\n"); |
381 | #ifdef CONFIG_KCONSOLE |
371 | /* This disables all other processors - we are not SMP, |
382 | /* This disables all other processors - we are not SMP, |
372 | * actually this gets us to cpu_halt, if scheduler() is run |
383 | * actually this gets us to cpu_halt, if scheduler() is run |
373 | * - we generally do not want scheduler to be run from debug, |
384 | * - we generally do not want scheduler to be run from debug, |
374 | * so this is a good idea |
385 | * so this is a good idea |
375 | */ |
386 | */ |
376 | atomic_set(&haltstate,1); |
387 | atomic_set(&haltstate, 1); |
377 | spinlock_unlock(&bkpoint_lock); |
388 | spinlock_unlock(&bkpoint_lock); |
378 | 389 | ||
379 | kconsole("debug"); |
390 | kconsole("debug", "Debug console ready.\n", false); |
380 | 391 | ||
381 | spinlock_lock(&bkpoint_lock); |
392 | spinlock_lock(&bkpoint_lock); |
382 | atomic_set(&haltstate,0); |
393 | atomic_set(&haltstate, 0); |
- | 394 | #endif |
|
383 | } |
395 | } |
384 | if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) { |
396 | if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) { |
385 | /* Remove one-shot breakpoint */ |
397 | /* Remove one-shot breakpoint */ |
386 | if ((cur->flags & BKPOINT_ONESHOT)) |
398 | if ((cur->flags & BKPOINT_ONESHOT)) |
387 | cur->address = NULL; |
399 | cur->address = NULL; |