int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
-
int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
+int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
/* targets
*/
{
"debug request", "breakpoint", "watchpoint",
"watchpoint and breakpoint", "single step",
- "target not halted"
+ "target not halted", "undefined"
};
char *target_endianess_strings[] =
"little endian",
};
-enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
-
static int target_continous_poll = 1;
/* read a u32 from a buffer in target memory endianness */
if (target == NULL)
{
- ERROR("BUG: current_target out of bounds");
+ LOG_ERROR("BUG: current_target out of bounds");
exit(-1);
}
*/
int target_init_handler(struct target_s *target, enum target_event event, void *priv)
{
- FILE *script;
struct command_context_s *cmd_ctx = priv;
- if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
+ if (event == TARGET_EVENT_HALTED)
{
target_unregister_event_callback(target_init_handler, priv);
-
- script = open_file_from_path(target->reset_script, "r");
- if (!script)
- {
- ERROR("couldn't open script file %s", target->reset_script);
- return ERROR_OK;
- }
-
- INFO("executing reset script '%s'", target->reset_script);
- command_run_file(cmd_ctx, script, COMMAND_EXEC);
- fclose(script);
-
+ target_invoke_script(cmd_ctx, target, "post_reset");
jtag_execute_queue();
}
{
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;
target_t *target;
struct timeval timeout, now;
+
+ jtag->speed(jtag_speed);
+
+ target = targets;
+ while (target)
+ {
+ target_invoke_script(cmd_ctx, target, "pre_reset");
+ target = target->next;
+ }
+
+ if ((retval = jtag_init_reset(cmd_ctx)) != ERROR_OK)
+ return retval;
+
+ /* First time this is executed after launching OpenOCD, it will read out
+ * the type of CPU, etc. and init Embedded ICE registers in host
+ * memory.
+ *
+ * It will also set up ICE registers in the target.
+ *
+ * However, if we assert TRST later, we need to set up the registers again.
+ *
+ * For the "reset halt/init" case we must only set up the registers here.
+ */
+ if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
+ return retval;
/* prepare reset_halt where necessary */
target = targets;
break;
}
}
- switch (target->reset_mode)
- {
- case RESET_HALT:
- case RESET_INIT:
- target->type->prepare_reset_halt(target);
- break;
- default:
- break;
- }
target = target->next;
}
target = targets;
while (target)
{
+ /* we have no idea what state the target is in, so we
+ * have to drop working areas
+ */
+ target_free_all_working_areas_restore(target, 0);
target->type->assert_reset(target);
target = target->next;
}
- jtag_execute_queue();
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ LOG_WARNING("JTAG communication failed asserting reset.");
+ retval = ERROR_OK;
+ }
/* request target halt if necessary, and schedule further action */
target = targets;
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:
- ERROR("BUG: unknown target->reset_mode");
+ LOG_ERROR("BUG: unknown target->reset_mode");
}
target = target->next;
}
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ LOG_WARNING("JTAG communication failed while reset was asserted. Consider using srst_only for reset_config.");
+ retval = ERROR_OK;
+ }
+
target = targets;
while (target)
{
target->type->deassert_reset(target);
target = target->next;
}
- jtag_execute_queue();
+
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
+ {
+ LOG_WARNING("JTAG communication failed while deasserting reset.");
+ retval = ERROR_OK;
+ }
+ if (jtag_reset_config & RESET_SRST_PULLS_TRST)
+ {
+ /* If TRST was asserted we need to set up registers again */
+ if ((retval = target_examine(cmd_ctx)) != ERROR_OK)
+ return retval;
+ }
+
+
+ LOG_DEBUG("Waiting for halted stated as approperiate");
+
/* Wait for reset to complete, maximum 5 seconds. */
gettimeofday(&timeout, NULL);
timeval_add_time(&timeout, 5, 0);
{
gettimeofday(&now, NULL);
- target_call_timer_callbacks();
+ target_call_timer_callbacks_now();
target = targets;
while (target)
{
- target->type->poll(target);
- if ((target->reset_mode == RESET_RUN_AND_INIT) || (target->reset_mode == RESET_RUN_AND_HALT))
+ LOG_DEBUG("Polling target");
+ target_poll(target);
+ if ((target->reset_mode == RESET_RUN_AND_INIT) ||
+ (target->reset_mode == RESET_RUN_AND_HALT) ||
+ (target->reset_mode == RESET_HALT) ||
+ (target->reset_mode == RESET_INIT))
{
if (target->state != TARGET_HALTED)
{
if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
{
- command_print(cmd_ctx, "Timed out waiting for reset");
+ LOG_USER("Timed out waiting for halt after reset");
goto done;
}
- usleep(100*1000); /* Do not eat all cpu */
+ /* this will send alive messages on e.g. GDB remote protocol. */
+ usleep(500*1000);
+ LOG_USER_N("%s", ""); /* avoid warning about zero length formatting message*/
goto again;
}
}
/* We want any events to be processed before the prompt */
- target_call_timer_callbacks();
+ target_call_timer_callbacks_now();
+
+ /* if we timed out we need to unregister these handlers */
+ target = targets;
+ while (target)
+ {
+ target_unregister_timer_callback(target_run_and_halt_handler, target);
+ target = target->next;
+ }
+ target_unregister_event_callback(target_init_handler, cmd_ctx);
+
+ jtag->speed(jtag_speed_post_reset);
return retval;
}
return ERROR_OK;
}
+static int default_examine(struct command_context_s *cmd_ctx, struct target_s *target)
+{
+ target->type->examined = 1;
+ return ERROR_OK;
+}
+
+
+/* Targets that correctly implement init+examine, i.e.
+ * no communication with target during init:
+ *
+ * XScale
+ */
+int target_examine(struct command_context_s *cmd_ctx)
+{
+ int retval = ERROR_OK;
+ target_t *target = targets;
+ while (target)
+ {
+ if ((retval = target->type->examine(cmd_ctx, target))!=ERROR_OK)
+ return retval;
+ target = target->next;
+ }
+ return retval;
+}
+
+static int target_write_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+{
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->write_memory_imp(target, address, size, count, buffer);
+}
+
+static int target_read_memory_imp(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer)
+{
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->read_memory_imp(target, address, size, count, buffer);
+}
+
+static int target_soft_reset_halt_imp(struct target_s *target)
+{
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->soft_reset_halt_imp(target);
+}
+
+static int target_run_algorithm_imp(struct target_s *target, int num_mem_params, mem_param_t *mem_params, int num_reg_params, reg_param_t *reg_param, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info)
+{
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+ return target->type->run_algorithm_imp(target, num_mem_params, mem_params, num_reg_params, reg_param, entry_point, exit_point, timeout_ms, arch_info);
+}
+
int target_init(struct command_context_s *cmd_ctx)
{
target_t *target = targets;
while (target)
{
+ target->type->examined = 0;
+ if (target->type->examine == NULL)
+ {
+ target->type->examine = default_examine;
+ }
+
if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
{
- ERROR("target '%s' init failed", target->type->name);
+ LOG_ERROR("target '%s' init failed", target->type->name);
exit(-1);
}
{
target->type->virt2phys = default_virt2phys;
}
+ target->type->virt2phys = default_virt2phys;
+ /* a non-invasive way(in terms of patches) to add some code that
+ * runs before the type->write/read_memory implementation
+ */
+ target->type->write_memory_imp = target->type->write_memory;
+ target->type->write_memory = target_write_memory_imp;
+ target->type->read_memory_imp = target->type->read_memory;
+ target->type->read_memory = target_read_memory_imp;
+ target->type->soft_reset_halt_imp = target->type->soft_reset_halt;
+ target->type->soft_reset_halt = target_soft_reset_halt_imp;
+ target->type->run_algorithm_imp = target->type->run_algorithm;
+ target->type->run_algorithm = target_run_algorithm_imp;
+
+
if (target->type->mmu == NULL)
{
target->type->mmu = default_mmu;
return ERROR_OK;
}
-int target_init_reset(struct command_context_s *cmd_ctx)
-{
- if (startup_mode == DAEMON_RESET)
- target_process_reset(cmd_ctx);
-
- return ERROR_OK;
-}
-
int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
{
target_event_callback_t **callbacks_p = &target_event_callbacks;
target_event_callback_t *callback = target_event_callbacks;
target_event_callback_t *next_callback;
- DEBUG("target event %i", event);
+ LOG_DEBUG("target event %i", event);
while (callback)
{
return ERROR_OK;
}
-int target_call_timer_callbacks()
+static int target_call_timer_callbacks_check_time(int checktime)
{
target_timer_callback_t *callback = target_timer_callbacks;
target_timer_callback_t *next_callback;
{
next_callback = callback->next;
- if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
- || (now.tv_sec > callback->when.tv_sec))
+ if ((!checktime&&callback->periodic)||
+ (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
+ || (now.tv_sec > callback->when.tv_sec)))
{
- callback->callback(callback->priv);
- if (callback->periodic)
+ if(callback->callback != NULL)
{
- int time_ms = callback->time_ms;
- callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
- time_ms -= (time_ms % 1000);
- callback->when.tv_sec = now.tv_sec + time_ms / 1000;
- if (callback->when.tv_usec > 1000000)
+ callback->callback(callback->priv);
+ if (callback->periodic)
{
- callback->when.tv_usec = callback->when.tv_usec - 1000000;
- callback->when.tv_sec += 1;
+ int time_ms = callback->time_ms;
+ callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
+ time_ms -= (time_ms % 1000);
+ callback->when.tv_sec = now.tv_sec + time_ms / 1000;
+ if (callback->when.tv_usec > 1000000)
+ {
+ callback->when.tv_usec = callback->when.tv_usec - 1000000;
+ callback->when.tv_sec += 1;
+ }
}
+ else
+ target_unregister_timer_callback(callback->callback, callback->priv);
}
- else
- target_unregister_timer_callback(callback->callback, callback->priv);
}
callback = next_callback;
return ERROR_OK;
}
+int target_call_timer_callbacks()
+{
+ return target_call_timer_callbacks_check_time(1);
+}
+
+/* invoke periodic callbacks immediately */
+int target_call_timer_callbacks_now()
+{
+ return target_call_timer_callbacks(0);
+}
+
int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
{
working_area_t *c = target->working_areas;
/* only allocate multiples of 4 byte */
if (size % 4)
{
- ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
+ LOG_ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
size = CEIL(size, 4);
}
u32 first_free = target->working_area;
u32 free_size = target->working_area_size;
- DEBUG("allocating new working area");
+ LOG_DEBUG("allocating new working area");
c = target->working_areas;
while (c)
if (free_size < size)
{
- WARNING("not enough working area available(requested %d, free %d)", size, free_size);
+ LOG_WARNING("not enough working area available(requested %d, free %d)", size, free_size);
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
return ERROR_OK;
}
-int target_free_working_area(struct target_s *target, working_area_t *area)
+int target_free_working_area_restore(struct target_s *target, working_area_t *area, int restore)
{
if (area->free)
return ERROR_OK;
- if (target->backup_working_area)
+ if (restore&&target->backup_working_area)
target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
area->free = 1;
return ERROR_OK;
}
-int target_free_all_working_areas(struct target_s *target)
+int target_free_working_area(struct target_s *target, working_area_t *area)
+{
+ return target_free_working_area_restore(target, area, 1);
+}
+
+int target_free_all_working_areas_restore(struct target_s *target, int restore)
{
working_area_t *c = target->working_areas;
while (c)
{
working_area_t *next = c->next;
- target_free_working_area(target, c);
+ target_free_working_area_restore(target, c, restore);
if (c->backup)
free(c->backup);
return ERROR_OK;
}
+int target_free_all_working_areas(struct target_s *target)
+{
+ return target_free_all_working_areas_restore(target, 1);
+}
+
int target_register_commands(struct command_context_s *cmd_ctx)
{
- register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, "target <cpu> [reset_init default - DEPRECATED] <chainpos> <endianness> <variant> [cpu type specifc args]");
register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
- register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
- register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG,
+ "target_script <target#> <event=reset/pre_reset/post_halt/pre_resume/gdb_program_config> <script_file>");
+ register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, "<target> <run time ms>");
register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
+ register_command(cmd_ctx, NULL, "profile", handle_profile_command, COMMAND_EXEC, "PRELIMINARY! - profile <seconds> <gmon.out>");
return ERROR_OK;
}
int retval;
if (target==NULL)
{
- USER("No target has been configured");
+ LOG_USER("No target has been configured");
return ERROR_OK;
}
- USER("target state: %s", target_state_strings[target->state]);
+ LOG_USER("target state: %s", target_state_strings[target->state]);
if (target->state!=TARGET_HALTED)
return ERROR_OK;
int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
{
int retval;
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
- DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
+ LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
if (((address % 2) == 0) && (size == 2))
{
int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
{
int retval;
-
- DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
if (((address % 2) == 0) && (size == 2))
{
int retval;
int i;
u32 checksum = 0;
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
if ((retval = target->type->checksum_memory(target, address,
size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE)
buffer = malloc(size);
if (buffer == NULL)
{
- ERROR("error allocating buffer for section (%d bytes)", size);
+ LOG_ERROR("error allocating buffer for section (%d bytes)", size);
return ERROR_INVALID_ARGUMENTS;
}
retval = target_read_buffer(target, address, size, buffer);
return retval;
}
+int target_blank_check_memory(struct target_s *target, u32 address, u32 size, u32* blank)
+{
+ int retval;
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ if (target->type->blank_check_memory == 0)
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+
+ retval = target->type->blank_check_memory(target, address, size, blank);
+
+ return retval;
+}
+
int target_read_u32(struct target_s *target, u32 address, u32 *value)
{
u8 value_buf[4];
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
int retval = target->type->read_memory(target, address, 4, 1, value_buf);
if (retval == ERROR_OK)
{
*value = target_buffer_get_u32(target, value_buf);
- DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
}
else
{
*value = 0x0;
- DEBUG("address: 0x%8.8x failed", address);
+ LOG_DEBUG("address: 0x%8.8x failed", address);
}
return retval;
int target_read_u16(struct target_s *target, u32 address, u16 *value)
{
u8 value_buf[2];
-
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
int retval = target->type->read_memory(target, address, 2, 1, value_buf);
if (retval == ERROR_OK)
{
*value = target_buffer_get_u16(target, value_buf);
- DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
}
else
{
*value = 0x0;
- DEBUG("address: 0x%8.8x failed", address);
+ LOG_DEBUG("address: 0x%8.8x failed", address);
}
return retval;
int target_read_u8(struct target_s *target, u32 address, u8 *value)
{
int retval = target->type->read_memory(target, address, 1, 1, value);
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
if (retval == ERROR_OK)
{
- DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
}
else
{
*value = 0x0;
- DEBUG("address: 0x%8.8x failed", address);
+ LOG_DEBUG("address: 0x%8.8x failed", address);
}
return retval;
{
int retval;
u8 value_buf[4];
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
- DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
target_buffer_set_u32(target, value_buf, value);
if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
{
- DEBUG("failed: %i", retval);
+ LOG_DEBUG("failed: %i", retval);
}
return retval;
{
int retval;
u8 value_buf[2];
-
- DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
target_buffer_set_u16(target, value_buf, value);
if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
{
- DEBUG("failed: %i", retval);
+ LOG_DEBUG("failed: %i", retval);
}
return retval;
int target_write_u8(struct target_s *target, u32 address, u8 value)
{
int retval;
-
- DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
+ if (!target->type->examined)
+ {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ LOG_DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
{
- DEBUG("failed: %i", retval);
+ LOG_DEBUG("failed: %i", retval);
}
return retval;
register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
- register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
- register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
- register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
+ register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value> [count]");
+ register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value> [count]");
+ register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value> [count]");
register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
if (argc < 3)
{
- ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
/* search for the specified target */
/* register target specific commands */
if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
{
- ERROR("couldn't register '%s' commands", args[0]);
+ LOG_ERROR("couldn't register '%s' commands", args[0]);
exit(-1);
}
*last_target_p = malloc(sizeof(target_t));
- (*last_target_p)->type = target_types[i];
+ /* allocate memory for each unique target type */
+ (*last_target_p)->type = (target_type_t*)malloc(sizeof(target_type_t));
+ *((*last_target_p)->type) = *target_types[i];
if (strcmp(args[1], "big") == 0)
(*last_target_p)->endianness = TARGET_BIG_ENDIAN;
(*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
else
{
- ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
- exit(-1);
+ LOG_ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
/* what to do on a target reset */
+ (*last_target_p)->reset_mode = RESET_INIT; /* default */
if (strcmp(args[2], "reset_halt") == 0)
(*last_target_p)->reset_mode = RESET_HALT;
else if (strcmp(args[2], "reset_run") == 0)
(*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
else
{
- ERROR("unknown target startup mode %s", args[2]);
- exit(-1);
+ /* Kludge! we want to make this reset arg optional while remaining compatible! */
+ args--;
+ argc++;
}
(*last_target_p)->run_and_halt_time = 1000; /* default 1s */
- (*last_target_p)->reset_script = NULL;
- (*last_target_p)->post_halt_script = NULL;
- (*last_target_p)->pre_resume_script = NULL;
- (*last_target_p)->gdb_program_script = NULL;
-
(*last_target_p)->working_area = 0x0;
(*last_target_p)->working_area_size = 0x0;
(*last_target_p)->working_areas = NULL;
(*last_target_p)->backup_working_area = 0;
(*last_target_p)->state = TARGET_UNKNOWN;
+ (*last_target_p)->debug_reason = DBG_REASON_UNDEFINED;
(*last_target_p)->reg_cache = NULL;
(*last_target_p)->breakpoints = NULL;
(*last_target_p)->watchpoints = NULL;
/* no matching target found */
if (!found)
{
- ERROR("target '%s' not found", args[0]);
- exit(-1);
+ LOG_ERROR("target '%s' not found", args[0]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
return ERROR_OK;
}
-/* usage: target_script <target#> <event> <script_file> */
+int target_invoke_script(struct command_context_s *cmd_ctx, target_t *target, char *name)
+{
+ return command_run_linef(cmd_ctx, " if {[catch {info body target_%s_%d} t]==0} {target_%s_%d}",
+ name, get_num_by_target(target),
+ name, get_num_by_target(target));
+}
+
int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target = NULL;
if (argc < 3)
{
- ERROR("incomplete target_script command");
- exit(-1);
+ LOG_ERROR("incomplete target_script command");
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
target = get_target_by_num(strtoul(args[0], NULL, 0));
if (!target)
{
- ERROR("target number '%s' not defined", args[0]);
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
- if (strcmp(args[1], "reset") == 0)
- {
- if (target->reset_script)
- free(target->reset_script);
- target->reset_script = strdup(args[2]);
- }
- else if (strcmp(args[1], "post_halt") == 0)
+ const char *event=args[1];
+ if (strcmp("reset", event)==0)
{
- if (target->post_halt_script)
- free(target->post_halt_script);
- target->post_halt_script = strdup(args[2]);
- }
- else if (strcmp(args[1], "pre_resume") == 0)
- {
- if (target->pre_resume_script)
- free(target->pre_resume_script);
- target->pre_resume_script = strdup(args[2]);
- }
- else if (strcmp(args[1], "gdb_program_config") == 0)
- {
- if (target->gdb_program_script)
- free(target->gdb_program_script);
- target->gdb_program_script = strdup(args[2]);
- }
- else
- {
- ERROR("unknown event type: '%s", args[1]);
- exit(-1);
+ /* synonymous */
+ event="post_reset";
}
+
+ /* Define a tcl procedure which we'll invoke upon some event */
+ command_run_linef(cmd_ctx,
+ "proc target_%s_%d {} {"
+ "openocd {script %s}"
+ "}",
+ event,
+ get_num_by_target(target),
+ args[2]);
return ERROR_OK;
}
if (argc < 2)
{
- ERROR("incomplete run_and_halt_time command");
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
target = get_target_by_num(strtoul(args[0], NULL, 0));
-
if (!target)
{
- ERROR("target number '%s' not defined", args[0]);
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
target->run_and_halt_time = strtoul(args[1], NULL, 0);
}
target = get_target_by_num(strtoul(args[0], NULL, 0));
-
if (!target)
{
- ERROR("target number '%s' not defined", args[0]);
- exit(-1);
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
target_free_all_working_areas(target);
}
else
{
- ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
+ LOG_ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
return ERROR_COMMAND_SYNTAX_ERROR;
}
/* 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)
- {
- 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;
int count = 0;
char *value;
- DEBUG("-");
+ LOG_DEBUG("-");
target = get_current_target(cmd_ctx);
reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
if (arch_type == NULL)
{
- ERROR("BUG: encountered unregistered arch type");
+ LOG_ERROR("BUG: encountered unregistered arch type");
return ERROR_OK;
}
arch_type->get(reg);
reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
if (arch_type == NULL)
{
- ERROR("BUG: encountered unregistered arch type");
+ LOG_ERROR("BUG: encountered unregistered arch type");
return ERROR_OK;
}
if (argc == 0)
{
- target->type->poll(target);
- target_arch_state(target);
+ target_poll(target);
+ target_arch_state(target);
}
else
{
static void target_process_events(struct command_context_s *cmd_ctx)
{
target_t *target = get_current_target(cmd_ctx);
- target->type->poll(target);
- target_call_timer_callbacks();
+ target_poll(target);
+ target_call_timer_callbacks_now();
}
static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
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();
+ target_call_timer_callbacks_now();
if (target->state == state)
{
break;
gettimeofday(&now, NULL);
if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec)))
{
- ERROR("timed out while waiting for target %s", target_state_strings[state]);
+ LOG_ERROR("timed out while waiting for target %s", target_state_strings[state]);
break;
}
}
int retval;
target_t *target = get_current_target(cmd_ctx);
- DEBUG("-");
-
- command_print(cmd_ctx, "requesting target halt...");
+ LOG_DEBUG("-");
- if ((retval = target->type->halt(target)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_ALREADY_HALTED:
- command_print(cmd_ctx, "target already halted");
- break;
- case ERROR_TARGET_TIMEOUT:
- command_print(cmd_ctx, "target timed out... shutting down");
- return retval;
- default:
- command_print(cmd_ctx, "unknown error... shutting down");
- return retval;
- }
+ if ((retval = target_halt(target)) != ERROR_OK)
+ {
+ return retval;
}
return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
}
-/* what to do on daemon startup */
-int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- if (argc == 1)
- {
- if (strcmp(args[0], "attach") == 0)
- {
- startup_mode = DAEMON_ATTACH;
- return ERROR_OK;
- }
- else if (strcmp(args[0], "reset") == 0)
- {
- startup_mode = DAEMON_RESET;
- return ERROR_OK;
- }
- }
-
- WARNING("invalid daemon_startup configuration directive: %s", args[0]);
- return ERROR_OK;
-
-}
-
int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
target_t *target = get_current_target(cmd_ctx);
- int retval;
- command_print(cmd_ctx, "requesting target halt and executing a soft reset");
+ LOG_USER("requesting target halt and executing a soft reset");
- if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_TIMEOUT:
- command_print(cmd_ctx, "target timed out... shutting down");
- exit(-1);
- default:
- command_print(cmd_ctx, "unknown error... shutting down");
- exit(-1);
- }
- }
+ target->type->soft_reset_halt(target);
return ERROR_OK;
}
enum target_reset_mode reset_mode = target->reset_mode;
enum target_reset_mode save = target->reset_mode;
- DEBUG("-");
+ LOG_DEBUG("-");
if (argc >= 1)
{
int retval;
target_t *target = get_current_target(cmd_ctx);
+ target_invoke_script(cmd_ctx, target, "pre_resume");
+
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;
target_process_events(cmd_ctx);
- target_arch_state(target);
-
return retval;
}
{
target_t *target = get_current_target(cmd_ctx);
- DEBUG("-");
+ LOG_DEBUG("-");
if (argc == 0)
target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
buffer = calloc(count, size);
retval = target->type->read_memory(target, address, size, count, buffer);
- if (retval != ERROR_OK)
- {
- switch (retval)
- {
- case ERROR_TARGET_UNALIGNED_ACCESS:
- command_print(cmd_ctx, "error: address not aligned");
- break;
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "error: target must be halted for memory accesses");
- break;
- case ERROR_TARGET_DATA_ABORT:
- command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
- break;
- default:
- command_print(cmd_ctx, "error: unknown error");
- break;
- }
- return ERROR_OK;
- }
-
- output_len = 0;
-
- for (i = 0; i < count; i++)
+ if (retval == ERROR_OK)
{
- if (i%line_modulo == 0)
- output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
-
- switch (size)
- {
- case 4:
- output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
- break;
- case 2:
- output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
- break;
- case 1:
- output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
- break;
- }
-
- if ((i%line_modulo == line_modulo-1) || (i == count - 1))
+ output_len = 0;
+
+ for (i = 0; i < count; i++)
{
- command_print(cmd_ctx, output);
- output_len = 0;
+ if (i%line_modulo == 0)
+ output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
+
+ switch (size)
+ {
+ case 4:
+ output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
+ break;
+ case 2:
+ output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
+ break;
+ case 1:
+ output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
+ break;
+ }
+
+ if ((i%line_modulo == line_modulo-1) || (i == count - 1))
+ {
+ command_print(cmd_ctx, output);
+ output_len = 0;
+ }
}
}
free(buffer);
- return ERROR_OK;
+ return retval;
}
int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
{
u32 address = 0;
u32 value = 0;
- int retval;
+ int count = 1;
+ int i;
+ int wordsize;
target_t *target = get_current_target(cmd_ctx);
u8 value_buf[4];
- if (argc < 2)
- return ERROR_OK;
+ if ((argc < 2) || (argc > 3))
+ return ERROR_COMMAND_SYNTAX_ERROR;
address = strtoul(args[0], NULL, 0);
value = strtoul(args[1], NULL, 0);
-
+ if (argc == 3)
+ count = strtoul(args[2], NULL, 0);
+
switch (cmd[2])
{
case 'w':
+ wordsize = 4;
target_buffer_set_u32(target, value_buf, value);
- retval = target->type->write_memory(target, address, 4, 1, value_buf);
break;
case 'h':
+ wordsize = 2;
target_buffer_set_u16(target, value_buf, value);
- retval = target->type->write_memory(target, address, 2, 1, value_buf);
break;
case 'b':
+ wordsize = 1;
value_buf[0] = value;
- retval = target->type->write_memory(target, address, 1, 1, value_buf);
break;
default:
- return ERROR_OK;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
-
- switch (retval)
+ for (i=0; i<count; i++)
{
- case ERROR_TARGET_UNALIGNED_ACCESS:
- command_print(cmd_ctx, "error: address not aligned");
- break;
- case ERROR_TARGET_DATA_ABORT:
- command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
- break;
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "error: target must be halted for memory accesses");
- break;
- case ERROR_OK:
- break;
- default:
- command_print(cmd_ctx, "error: unknown error");
+ int retval;
+ switch (wordsize)
+ {
+ case 4:
+ retval = target->type->write_memory(target, address + i*wordsize, 4, 1, value_buf);
+ break;
+ case 2:
+ retval = target->type->write_memory(target, address + i*wordsize, 2, 1, value_buf);
+ break;
+ case 1:
+ retval = target->type->write_memory(target, address + i*wordsize, 1, 1, value_buf);
break;
+ default:
+ return ERROR_OK;
+ }
+ if (retval!=ERROR_OK)
+ {
+ return retval;
+ }
}
return ERROR_OK;
}
image_size = 0x0;
+ retval = ERROR_OK;
for (i = 0; i < image.num_sections; i++)
{
buffer = malloc(image.sections[i].size);
if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
{
- ERROR("image_read_section failed with error code: %i", retval);
- command_print(cmd_ctx, "image reading failed, download aborted");
free(buffer);
- image_close(&image);
- return ERROR_OK;
+ break;
+ }
+ if ((retval = target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer)) != ERROR_OK)
+ {
+ free(buffer);
+ break;
}
- target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
image_size += buf_cnt;
command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
}
duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
+ if (retval==ERROR_OK)
+ {
+ command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
+ }
free(duration_text);
image_close(&image);
- return ERROR_OK;
+ return retval;
}
u32 address;
u32 size;
u8 buffer[560];
- int retval;
+ int retval=ERROR_OK;
duration_t duration;
char *duration_text;
retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer);
if (retval != ERROR_OK)
{
- command_print(cmd_ctx, "Reading memory failed %d", retval);
break;
}
- fileio_write(&fileio, this_run_size, buffer, &size_written);
+ retval = fileio_write(&fileio, this_run_size, buffer, &size_written);
+ if (retval != ERROR_OK)
+ {
+ break;
+ }
size -= this_run_size;
address += this_run_size;
fileio_close(&fileio);
duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
+ if (retval==ERROR_OK)
+ {
+ command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
+ }
free(duration_text);
return ERROR_OK;
if (argc < 1)
{
- command_print(cmd_ctx, "usage: verify_image <file> [offset] [type]");
- return ERROR_OK;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
if (!target)
{
- ERROR("no target selected");
- return ERROR_OK;
+ LOG_ERROR("no target selected");
+ return ERROR_FAIL;
}
duration_start_measure(&duration);
image.start_address_set = 0;
- if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK)
+ if ((retval=image_open(&image, args[0], (argc == 3) ? args[2] : NULL)) != ERROR_OK)
{
- return ERROR_OK;
+ return retval;
}
image_size = 0x0;
+ retval=ERROR_OK;
for (i = 0; i < image.num_sections; i++)
{
buffer = malloc(image.sections[i].size);
}
if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK)
{
- ERROR("image_read_section failed with error code: %i", retval);
- command_print(cmd_ctx, "image reading failed, verify aborted");
free(buffer);
- image_close(&image);
- return ERROR_OK;
+ break;
}
/* calculate checksum of image */
image_calculate_checksum( buffer, buf_cnt, &checksum );
retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum);
-
if( retval != ERROR_OK )
{
- command_print(cmd_ctx, "could not calculate checksum, verify aborted");
free(buffer);
- image_close(&image);
- return ERROR_OK;
+ break;
}
if( checksum != mem_checksum )
count /= 4;
}
retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data);
-
if (retval == ERROR_OK)
{
int t;
command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]);
free(data);
free(buffer);
- image_close(&image);
- return ERROR_OK;
+ retval=ERROR_FAIL;
+ goto done;
}
}
}
free(buffer);
image_size += buf_cnt;
}
-
+done:
duration_stop_measure(&duration, &duration_text);
- command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
+ if (retval==ERROR_OK)
+ {
+ command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text);
+ }
free(duration_text);
image_close(&image);
- return ERROR_OK;
+ return retval;
}
int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
{
- switch (retval)
- {
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "target must be halted to set breakpoints");
- break;
- case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
- command_print(cmd_ctx, "no more breakpoints available");
- break;
- default:
- command_print(cmd_ctx, "unknown error, breakpoint not set");
- break;
- }
+ LOG_ERROR("Failure setting breakpoints");
}
else
{
while (watchpoint)
{
- command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
+ command_print(cmd_ctx, "address: 0x%8.8x, len: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
watchpoint = watchpoint->next;
}
}
if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0),
strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK)
{
- switch (retval)
- {
- case ERROR_TARGET_NOT_HALTED:
- command_print(cmd_ctx, "target must be halted to set watchpoints");
- break;
- case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
- command_print(cmd_ctx, "no more watchpoints available");
- break;
- default:
- command_print(cmd_ctx, "unknown error, watchpoint not set");
- break;
- }
+ LOG_ERROR("Failure setting breakpoints");
}
}
else
}
return retval;
}
+static void writeLong(FILE *f, int l)
+{
+ int i;
+ for (i=0; i<4; i++)
+ {
+ char c=(l>>(i*8))&0xff;
+ fwrite(&c, 1, 1, f);
+ }
+
+}
+static void writeString(FILE *f, char *s)
+{
+ fwrite(s, 1, strlen(s), f);
+}
+
+
+
+// Dump a gmon.out histogram file.
+static void writeGmon(u32 *samples, int sampleNum, char *filename)
+{
+ int i;
+ FILE *f=fopen(filename, "w");
+ if (f==NULL)
+ return;
+ fwrite("gmon", 1, 4, f);
+ writeLong(f, 0x00000001); // Version
+ writeLong(f, 0); // padding
+ writeLong(f, 0); // padding
+ writeLong(f, 0); // padding
+
+ fwrite("", 1, 1, f); // GMON_TAG_TIME_HIST
+
+ // figure out bucket size
+ u32 min=samples[0];
+ u32 max=samples[0];
+ for (i=0; i<sampleNum; i++)
+ {
+ if (min>samples[i])
+ {
+ min=samples[i];
+ }
+ if (max<samples[i])
+ {
+ max=samples[i];
+ }
+ }
+
+ int addressSpace=(max-min+1);
+
+ static int const maxBuckets=256*1024; // maximum buckets.
+ int length=addressSpace;
+ if (length > maxBuckets)
+ {
+ length=maxBuckets;
+ }
+ int *buckets=malloc(sizeof(int)*length);
+ if (buckets==NULL)
+ {
+ fclose(f);
+ return;
+ }
+ memset(buckets, 0, sizeof(int)*length);
+ for (i=0; i<sampleNum;i++)
+ {
+ u32 address=samples[i];
+ long long a=address-min;
+ long long b=length-1;
+ long long c=addressSpace-1;
+ int index=(a*b)/c; // danger!!!! int32 overflows
+ buckets[index]++;
+ }
+
+ // append binary memory gmon.out &profile_hist_hdr ((char*)&profile_hist_hdr + sizeof(struct gmon_hist_hdr))
+ writeLong(f, min); // low_pc
+ writeLong(f, max); // high_pc
+ writeLong(f, length); // # of samples
+ writeLong(f, 64000000); // 64MHz
+ writeString(f, "seconds");
+ for (i=0; i<(15-strlen("seconds")); i++)
+ {
+ fwrite("", 1, 1, f); // padding
+ }
+ writeString(f, "s");
+
+// append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size)
+
+ char *data=malloc(2*length);
+ if (data!=NULL)
+ {
+ for (i=0; i<length;i++)
+ {
+ int val;
+ val=buckets[i];
+ if (val>65535)
+ {
+ val=65535;
+ }
+ data[i*2]=val&0xff;
+ data[i*2+1]=(val>>8)&0xff;
+ }
+ free(buckets);
+ fwrite(data, 1, length*2, f);
+ free(data);
+ } else
+ {
+ free(buckets);
+ }
+
+ fclose(f);
+}
+
+/* profiling samples the CPU PC as quickly as OpenOCD is able, which will be used as a random sampling of PC */
+int handle_profile_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+ struct timeval timeout, now;
+
+ gettimeofday(&timeout, NULL);
+ if (argc!=2)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ char *end;
+ timeval_add_time(&timeout, strtoul(args[0], &end, 0), 0);
+ if (*end)
+ {
+ return ERROR_OK;
+ }
+
+ command_print(cmd_ctx, "Starting profiling. Halting and resuming the target as often as we can...");
+
+ static const int maxSample=10000;
+ u32 *samples=malloc(sizeof(u32)*maxSample);
+ if (samples==NULL)
+ return ERROR_OK;
+
+ int numSamples=0;
+ int retval=ERROR_OK;
+ // hopefully it is safe to cache! We want to stop/restart as quickly as possible.
+ reg_t *reg = register_get_by_name(target->reg_cache, "pc", 1);
+
+ for (;;)
+ {
+ target_poll(target);
+ if (target->state == TARGET_HALTED)
+ {
+ u32 t=*((u32 *)reg->value);
+ samples[numSamples++]=t;
+ 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_halt(target);
+ } else
+ {
+ command_print(cmd_ctx, "Target not halted or running");
+ retval=ERROR_OK;
+ break;
+ }
+ if (retval!=ERROR_OK)
+ {
+ break;
+ }
+
+ gettimeofday(&now, NULL);
+ 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_poll(target);
+ if (target->state == TARGET_HALTED)
+ {
+ target_resume(target, 1, 0, 0, 0); /* current pc, addr = 0, do not handle breakpoints, not debugging */
+ }
+ target_poll(target);
+ writeGmon(samples, numSamples, args[1]);
+ command_print(cmd_ctx, "Wrote %s", args[1]);
+ break;
+ }
+ }
+ free(samples);
+
+ return ERROR_OK;
+}