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1. GDB will print cryptic error messages if it is not fed keep-alive packets

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within the last 2000ms.

To fix this, add keep_alive() if you are spending >1000ms in an algorithm
thus holding up the server loop.

target_call_timer_callbacks() invokes keep_alive().

2. post_reset script is now executed at normal JTAG speed and not
reset speed.

3. Resume is now synchronous again. Hopefully it will work this time.



git-svn-id: svn://svn.berlios.de/openocd/trunk@826 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-07-18 10:20:10 +00:00
parent 7648d6b287
commit 94e75e0c06
4 changed files with 73 additions and 1 deletions
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26
src/target/target.c
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@@ -266,6 +266,9 @@ int target_halt(struct target_s *target)
int target_resume(struct target_s *target, int current, u32 address, int handle_breakpoints, int debug_execution)
{
int retval;
int timeout_ms = 5000;
enum target_state resume_state = debug_execution ? TARGET_DEBUG_RUNNING : TARGET_RUNNING;
/* We can't poll until after examine */
if (!target->type->examined)
@@ -277,6 +280,21 @@ int target_resume(struct target_s *target, int current, u32 address, int handle_
if ((retval = target->type->resume(target, current, address, handle_breakpoints, debug_execution)) != ERROR_OK)
return retval;
/* wait for target to exit halted mode */
target_poll(target);
while (target->state != resume_state)
{
target_call_timer_callbacks();
usleep(10000);
target_poll(target);
if ((timeout_ms -= 10) <= 0)
{
LOG_ERROR("timeout waiting for target resume");
return ERROR_TARGET_TIMEOUT;
}
}
return retval;
}
@@ -407,6 +425,11 @@ int target_process_reset(struct command_context_s *cmd_ctx)
return retval;
}
/* post reset scripts can be quite long, increase speed now. If post
* reset scripts needs a different speed, they can set the speed to
* whatever they need.
*/
jtag->speed(jtag_speed_post_reset);
LOG_DEBUG("Waiting for halted stated as approperiate");
@@ -464,7 +487,6 @@ int target_process_reset(struct command_context_s *cmd_ctx)
}
target_unregister_event_callback(target_init_handler, cmd_ctx);
jtag->speed(jtag_speed_post_reset);
return retval;
}
@@ -738,6 +760,8 @@ static int target_call_timer_callbacks_check_time(int checktime)
target_timer_callback_t *next_callback;
struct timeval now;
keep_alive();
gettimeofday(&now, NULL);
while (callback)