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Rev 3343 Rev 3742
Line 45... Line 45...
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#include <func.h>
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#include <func.h>
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bpinfo_t breakpoints[BKPOINTS_MAX];
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bpinfo_t breakpoints[BKPOINTS_MAX];
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SPINLOCK_INITIALIZE(bkpoint_lock);
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SPINLOCK_INITIALIZE(bkpoint_lock);
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- 
 
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#ifdef CONFIG_KCONSOLE
- 
 
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static int cmd_print_breakpoints(cmd_arg_t *argv);
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static int cmd_print_breakpoints(cmd_arg_t *argv);
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static cmd_info_t bkpts_info = {
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static cmd_info_t bkpts_info = {
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    .name = "bkpts",
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    .name = "bkpts",
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    .description = "Print breakpoint table.",
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    .description = "Print breakpoint table.",
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    .func = cmd_print_breakpoints,
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    .func = cmd_print_breakpoints,
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    {0xfc000000, 0x0c000000}, /* JAL */
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    {0xfc000000, 0x0c000000}, /* JAL */
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    {0xfc1f07ff, 0x00000009}, /* JALR */
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    {0xfc1f07ff, 0x00000009}, /* JALR */
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    {0, 0} /* EndOfTable */
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    {0, 0} /* EndOfTable */
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};
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};
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- 
 
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/** Test, if the given instruction is a jump or branch instruction
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/** Test, if the given instruction is a jump or branch instruction
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 *
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 *
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 * @param instr Instruction code
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 * @param instr Instruction code
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 * @return true - it is jump instruction, false otherwise
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 * @return true - it is jump instruction, false otherwise
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 *
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 */
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 */
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static bool is_jump(unative_t instr)
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static bool is_jump(unative_t instr)
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{
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{
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    int i;
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    int i;
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                BKPOINT_FUNCCALL) ? "true" : "false"), symbol);
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                BKPOINT_FUNCCALL) ? "true" : "false"), symbol);
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        }
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        }
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    return 1;
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    return 1;
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}
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}
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- 
 
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#endif
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/** Initialize debugger */
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/** Initialize debugger */
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void debugger_init()
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void debugger_init()
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{
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{
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    int i;
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    int i;
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    for (i = 0; i < BKPOINTS_MAX; i++)
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    for (i = 0; i < BKPOINTS_MAX; i++)
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        breakpoints[i].address = NULL;
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        breakpoints[i].address = NULL;
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- 
 
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#ifdef CONFIG_KCONSOLE
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    cmd_initialize(&bkpts_info);
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    cmd_initialize(&bkpts_info);
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    if (!cmd_register(&bkpts_info))
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    if (!cmd_register(&bkpts_info))
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        panic("could not register command %s\n", bkpts_info.name);
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        printf("Cannot register command %s\n", bkpts_info.name);
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    cmd_initialize(&delbkpt_info);
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    cmd_initialize(&delbkpt_info);
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    if (!cmd_register(&delbkpt_info))
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    if (!cmd_register(&delbkpt_info))
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        panic("could not register command %s\n", delbkpt_info.name);
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        printf("Cannot register command %s\n", delbkpt_info.name);
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    cmd_initialize(&addbkpt_info);
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    cmd_initialize(&addbkpt_info);
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    if (!cmd_register(&addbkpt_info))
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    if (!cmd_register(&addbkpt_info))
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        panic("could not register command %s\n", addbkpt_info.name);
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        printf("Cannot register command %s\n", addbkpt_info.name);
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    cmd_initialize(&addbkpte_info);
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    cmd_initialize(&addbkpte_info);
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    if (!cmd_register(&addbkpte_info))
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    if (!cmd_register(&addbkpte_info))
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        panic("could not register command %s\n", addbkpte_info.name);
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        printf("Cannot register command %s\n", addbkpte_info.name);
- 
 
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#endif
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}
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}
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/** Handle breakpoint
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/** Handle breakpoint
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 *
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 *
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 * Find breakpoint in breakpoint table.
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 * Find breakpoint in breakpoint table.
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    if (cur && (cur->flags & BKPOINT_FUNCCALL)) {
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    if (cur && (cur->flags & BKPOINT_FUNCCALL)) {
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        /* Allow zero bkfunc, just for counting */
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        /* Allow zero bkfunc, just for counting */
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        if (cur->bkfunc)
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        if (cur->bkfunc)
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            cur->bkfunc(cur, istate);
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            cur->bkfunc(cur, istate);
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    } else {
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    } else {
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        printf("***Type 'exit' to exit kconsole.\n");
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#ifdef CONFIG_KCONSOLE
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        /* This disables all other processors - we are not SMP,
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        /* This disables all other processors - we are not SMP,
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         * 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,
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         * - we generally do not want scheduler to be run from debug,
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         *   so this is a good idea
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         *   so this is a good idea
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         */
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         */
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        atomic_set(&haltstate,1);
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        atomic_set(&haltstate, 1);
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        spinlock_unlock(&bkpoint_lock);
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        spinlock_unlock(&bkpoint_lock);
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 386 
       
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        kconsole("debug");
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        kconsole("debug", "Debug console ready (type 'exit' to continue)\n", false);
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 388 
       
381 
        spinlock_lock(&bkpoint_lock);
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        spinlock_lock(&bkpoint_lock);
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        atomic_set(&haltstate,0);
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        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 */
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        /* Remove one-shot breakpoint */
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        if ((cur->flags & BKPOINT_ONESHOT))
 395 
        if ((cur->flags & BKPOINT_ONESHOT))
387 
            cur->address = NULL;
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            cur->address = NULL;