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Diffstat (limited to 'src/target/target.c')
-rw-r--r--src/target/target.c79
1 files changed, 54 insertions, 25 deletions
diff --git a/src/target/target.c b/src/target/target.c
index 28639a76..ee387dbd 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -248,11 +248,45 @@ int target_run_and_halt_handler(void *priv)
{
target_t *target = priv;
- target->type->halt(target);
+ target_halt(target);
return ERROR_OK;
}
+int target_poll(struct target_s *target)
+{
+ /* We can't poll until after examine */
+ if (!target->type->examined)
+ {
+ /* Fail silently lest we pollute the log */
+ return ERROR_FAIL;
+ }
+ return target->type->poll(target);
+}
+
+int target_halt(struct target_s *target)
+{
+ /* We can't poll until after examine */
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->halt(target);
+}
+
+int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
+{
+ /* We can't poll until after examine */
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->resume(target, current, address, handle_breakpoints, debug_execution);
+}
+
+
int target_process_reset(struct command_context_s *cmd_ctx)
{
int retval = ERROR_OK;
@@ -325,10 +359,10 @@ int target_process_reset(struct command_context_s *cmd_ctx)
target_register_event_callback(target_init_handler, cmd_ctx);
break;
case RESET_HALT:
- target->type->halt(target);
+ target_halt(target);
break;
case RESET_INIT:
- target->type->halt(target);
+ target_halt(target);
target_register_event_callback(target_init_handler, cmd_ctx);
break;
default:
@@ -371,7 +405,7 @@ int target_process_reset(struct command_context_s *cmd_ctx)
while (target)
{
LOG_DEBUG("Polling target");
- target->type->poll(target);
+ target_poll(target);
if ((target->reset_mode == RESET_RUN_AND_INIT) ||
(target->reset_mode == RESET_RUN_AND_HALT) ||
(target->reset_mode == RESET_HALT) ||
@@ -1414,19 +1448,14 @@ int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, ch
/* process target state changes */
int handle_target(void *priv)
{
- int retval;
target_t *target = targets;
while (target)
{
- /* only poll if target isn't already halted */
- if (target->state != TARGET_HALTED)
+ if (target_continous_poll)
{
- if (target_continous_poll)
- if ((retval = target->type->poll(target)) != ERROR_OK)
- {
- LOG_ERROR("couldn't poll target(%d). It's due for a reset.", retval);
- }
+ /* polling may fail silently until the target has been examined */
+ target_poll(target);
}
target = target->next;
@@ -1565,7 +1594,7 @@ int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
if (argc == 0)
{
- target->type->poll(target);
+ target_poll(target);
target_arch_state(target);
}
else
@@ -1610,7 +1639,7 @@ int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char
static void target_process_events(struct command_context_s *cmd_ctx)
{
target_t *target = get_current_target(cmd_ctx);
- target->type->poll(target);
+ target_poll(target);
target_call_timer_callbacks_now();
}
@@ -1625,7 +1654,7 @@ static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_
target_t *target = get_current_target(cmd_ctx);
for (;;)
{
- if ((retval=target->type->poll(target))!=ERROR_OK)
+ if ((retval=target_poll(target))!=ERROR_OK)
return retval;
target_call_timer_callbacks_now();
if (target->state == state)
@@ -1656,7 +1685,7 @@ int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **arg
LOG_DEBUG("-");
- if ((retval = target->type->halt(target)) != ERROR_OK)
+ if ((retval = target_halt(target)) != ERROR_OK)
{
return retval;
}
@@ -1733,9 +1762,9 @@ int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **a
target_t *target = get_current_target(cmd_ctx);
if (argc == 0)
- retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
+ retval = target_resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
else if (argc == 1)
- retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
+ retval = target_resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
else
{
return ERROR_COMMAND_SYNTAX_ERROR;
@@ -2485,18 +2514,18 @@ int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **
for (;;)
{
- target->type->poll(target);
+ target_poll(target);
if (target->state == TARGET_HALTED)
{
u32 t=*((u32 *)reg->value);
samples[numSamples++]=t;
- retval = target->type->resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
- target->type->poll(target);
+ retval = target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
+ target_poll(target);
usleep(10*1000); // sleep 10ms, i.e. <100 samples/second.
} else if (target->state == TARGET_RUNNING)
{
// We want to quickly sample the PC.
- target->type->halt(target);
+ target_halt(target);
} else
{
command_print(cmd_ctx, "Target not halted or running");
@@ -2512,12 +2541,12 @@ int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **
if ((numSamples>=maxSample) || ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
{
command_print(cmd_ctx, "Profiling completed. %d samples.", numSamples);
- target->type->poll(target);
+ target_poll(target);
if (target->state == TARGET_HALTED)
{
- target->type->resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
+ target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
}
- target->type->poll(target);
+ target_poll(target);
writeGmon(samples, numSamples, args[1]);
command_print(cmd_ctx, "Wrote %s", args[1]);
break;
generated by cgit v1.2.3 (git 2.46.0) at 2024-11-04 21:51:17 +0000