Subversion Repositories HelenOS

Rev

Rev 3139 | Rev 3913 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 3139 Rev 3707
Line 45... Line 45...
45 
#include <func.h>
 45 
#include <func.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 265... Line 269...
265 
                BKPOINT_FUNCCALL) ? "true" : "false"), symbol);
 269 
                BKPOINT_FUNCCALL) ? "true" : "false"), symbol);
266 
        }
 270 
        }
267 
    return 1;
 271 
    return 1;
268 
}
 272 
}
269 
 
 273 
 
- 
 
 274 
#endif
- 
 
 275 
 
270 
/** Initialize debugger */
 276 
/** Initialize debugger */
271 
void debugger_init()
 277 
void debugger_init()
272 
{
 278 
{
273 
    int i;
 279 
    int i;
274 
 
 280 
 
275 
    for (i = 0; i < BKPOINTS_MAX; i++)
 281 
    for (i = 0; i < BKPOINTS_MAX; i++)
276 
        breakpoints[i].address = NULL;
 282 
        breakpoints[i].address = NULL;
277 
   
 283 
 
- 
 
 284 
#ifdef CONFIG_KCONSOLE
278 
    cmd_initialize(&bkpts_info);
 285 
    cmd_initialize(&bkpts_info);
279 
    if (!cmd_register(&bkpts_info))
 286 
    if (!cmd_register(&bkpts_info))
280 
        panic("could not register command %s\n", bkpts_info.name);
 287 
        printf("Cannot register command %s\n", bkpts_info.name);
281 
 
 288 
 
282 
    cmd_initialize(&delbkpt_info);
 289 
    cmd_initialize(&delbkpt_info);
283 
    if (!cmd_register(&delbkpt_info))
 290 
    if (!cmd_register(&delbkpt_info))
284 
        panic("could not register command %s\n", delbkpt_info.name);
 291 
        printf("Cannot register command %s\n", delbkpt_info.name);
285 
 
 292 
 
286 
    cmd_initialize(&addbkpt_info);
 293 
    cmd_initialize(&addbkpt_info);
287 
    if (!cmd_register(&addbkpt_info))
 294 
    if (!cmd_register(&addbkpt_info))
288 
        panic("could not register command %s\n", addbkpt_info.name);
 295 
        printf("Cannot register command %s\n", addbkpt_info.name);
289 
 
 296 
 
290 
    cmd_initialize(&addbkpte_info);
 297 
    cmd_initialize(&addbkpte_info);
291 
    if (!cmd_register(&addbkpte_info))
 298 
    if (!cmd_register(&addbkpte_info))
292 
        panic("could not register command %s\n", addbkpte_info.name);
 299 
        printf("Cannot register command %s\n", addbkpte_info.name);
- 
 
 300 
#endif
293 
}
 301 
}
294 
 
 302 
 
295 
/** Handle breakpoint
 303 
/** Handle breakpoint
296 
 *
 304 
 *
297 
 * Find breakpoint in breakpoint table.
 305 
 * Find breakpoint in breakpoint table.
Line 365... Line 373...
365 
    if (cur && (cur->flags & BKPOINT_FUNCCALL)) {
 373 
    if (cur && (cur->flags & BKPOINT_FUNCCALL)) {
366 
        /* Allow zero bkfunc, just for counting */
 374 
        /* Allow zero bkfunc, just for counting */
367 
        if (cur->bkfunc)
 375 
        if (cur->bkfunc)
368 
            cur->bkfunc(cur, istate);
 376 
            cur->bkfunc(cur, istate);
369 
    } else {
 377 
    } else {
370 
        printf("***Type 'exit' to exit kconsole.\n");
 378 
#ifdef CONFIG_KCONSOLE
371 
        /* This disables all other processors - we are not SMP,
 379 
        /* This disables all other processors - we are not SMP,
372 
         * actually this gets us to cpu_halt, if scheduler() is run
 380 
         * actually this gets us to cpu_halt, if scheduler() is run
373 
         * - we generally do not want scheduler to be run from debug,
 381 
         * - we generally do not want scheduler to be run from debug,
374 
         *   so this is a good idea
 382 
         *   so this is a good idea
375 
         */
 383 
         */
376 
        atomic_set(&haltstate,1);
 384 
        atomic_set(&haltstate, 1);
377 
        spinlock_unlock(&bkpoint_lock);
 385 
        spinlock_unlock(&bkpoint_lock);
378 
 
 386 
       
379 
        kconsole("debug");
 387 
        kconsole("debug", "Debug console ready (type 'exit' to continue)\n", false);
380 
 
 388 
       
381 
        spinlock_lock(&bkpoint_lock);
 389 
        spinlock_lock(&bkpoint_lock);
382 
        atomic_set(&haltstate,0);
 390 
        atomic_set(&haltstate, 0);
- 
 
 391 
#endif
383 
    }
 392 
    }
384 
    if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) {
 393 
    if (cur && cur->address == fireaddr && (cur->flags & BKPOINT_INPROG)) {
385 
        /* Remove one-shot breakpoint */
 394 
        /* Remove one-shot breakpoint */
386 
        if ((cur->flags & BKPOINT_ONESHOT))
 395 
        if ((cur->flags & BKPOINT_ONESHOT))
387 
            cur->address = NULL;
 396 
            cur->address = NULL;