int argc, Jim_Obj *const *argv);
static int target_mem2array(Jim_Interp *interp, struct target *target,
int argc, Jim_Obj *const *argv);
+static int target_register_user_commands(struct command_context *cmd_ctx);
/* targets */
extern struct target_type arm7tdmi_target;
extern struct target_type dsp563xx_target;
extern struct target_type testee_target;
-struct target_type *target_types[] =
+static struct target_type *target_types[] =
{
&arm7tdmi_target,
&arm9tdmi_target,
};
struct target *all_targets = NULL;
-struct target_event_callback *target_event_callbacks = NULL;
-struct target_timer_callback *target_timer_callbacks = NULL;
+static struct target_event_callback *target_event_callbacks = NULL;
+static struct target_timer_callback *target_timer_callbacks = NULL;
static const Jim_Nvp nvp_assert[] = {
{ .name = "assert", NVP_ASSERT },
{ .value = -1, .name = NULL }
};
-const char *target_strerror_safe(int err)
+static const char *target_strerror_safe(int err)
{
const Jim_Nvp *n;
}
/* read a uint8_t from a buffer in target memory endianness */
-uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
+static uint8_t target_buffer_get_u8(struct target *target, const uint8_t *buffer)
{
return *buffer & 0x0ff;
}
}
/* write a uint8_t to a buffer in target memory endianness */
-void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
+static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t value)
{
*buffer = value;
}
* themselves. We want flash drivers and infrastructure to
* be able to rely on (non-invalidated) cached state.
*
+ * For now we require that algorithms provided by OpenOCD are
+ * used only by code which properly maintains that cached state.
+ * state
+ *
* REVISIT do the same for NAND ; maybe other flash flavors too...
*/
- nor_resume(target);
+ if (!target->running_alg)
+ nor_resume(target);
return retval;
}
-int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
+static int target_process_reset(struct command_context *cmd_ctx, enum target_reset_mode reset_mode)
{
char buf[100];
int retval;
return target->type->soft_reset_halt_imp(target);
}
-static int target_run_algorithm_imp(struct target *target, int num_mem_params, struct mem_param *mem_params, int num_reg_params, struct reg_param *reg_param, uint32_t entry_point, uint32_t exit_point, int timeout_ms, void *arch_info)
+/**
+ * Downloads a target-specific native code algorithm to the target,
+ * and executes it. * Note that some targets may need to set up, enable,
+ * and tear down a breakpoint (hard or * soft) to detect algorithm
+ * termination, while others may support lower overhead schemes where
+ * soft breakpoints embedded in the algorithm automatically terminate the
+ * algorithm.
+ *
+ * @param target used to run the algorithm
+ * @param arch_info target-specific description of the algorithm.
+ */
+int target_run_algorithm(struct target *target,
+ int num_mem_params, struct mem_param *mem_params,
+ int num_reg_params, struct reg_param *reg_param,
+ uint32_t entry_point, uint32_t exit_point,
+ int timeout_ms, void *arch_info)
{
+ int retval = ERROR_FAIL;
+
if (!target_was_examined(target))
{
LOG_ERROR("Target not examined yet");
- return ERROR_FAIL;
+ goto done;
}
- 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);
+ if (!target->type->run_algorithm) {
+ LOG_ERROR("Target type '%s' does not support %s",
+ target_type_name(target), __func__);
+ goto done;
+ }
+
+ target->running_alg = true;
+ retval = target->type->run_algorithm(target,
+ num_mem_params, mem_params,
+ num_reg_params, reg_param,
+ entry_point, exit_point, timeout_ms, arch_info);
+ target->running_alg = false;
+
+done:
+ return retval;
}
+
int target_read_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
return target->type->read_memory(target, address, size, count, buffer);
}
-int target_read_phys_memory(struct target *target,
+static int target_read_phys_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
return target->type->read_phys_memory(target, address, size, count, buffer);
return target->type->write_memory(target, address, size, count, buffer);
}
-int target_write_phys_memory(struct target *target,
+static int target_write_phys_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
return target->type->write_phys_memory(target, address, size, count, buffer);
}
-int target_run_algorithm(struct target *target,
- int num_mem_params, struct mem_param *mem_params,
- int num_reg_params, struct reg_param *reg_param,
- uint32_t entry_point, uint32_t exit_point,
- int timeout_ms, void *arch_info)
-{
- return target->type->run_algorithm(target,
- num_mem_params, mem_params, num_reg_params, reg_param,
- entry_point, exit_point, timeout_ms, arch_info);
-}
-
/**
* Reset the @c examined flag for the given target.
* Pure paranoia -- targets are zeroed on allocation.
type->soft_reset_halt_imp = target->type->soft_reset_halt;
type->soft_reset_halt = target_soft_reset_halt_imp;
- type->run_algorithm_imp = target->type->run_algorithm;
- type->run_algorithm = target_run_algorithm_imp;
-
/* Sanity-check MMU support ... stub in what we must, to help
* implement it in stages, but warn if we need to do so.
*/
return ERROR_OK;
}
-int target_init(struct command_context *cmd_ctx)
+static int target_init(struct command_context *cmd_ctx)
{
struct target *target;
int retval;
return ERROR_OK;
}
-int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
+static int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
{
struct target_timer_callback **p = &target_timer_callbacks;
struct target_timer_callback *c = target_timer_callbacks;
return ERROR_OK;
}
-int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
+static int target_free_working_area_restore(struct target *target, struct working_area *area, int restore)
{
if (area->free)
return ERROR_OK;
/* free resources and restore memory, if restoring memory fails,
* free up resources anyway
*/
-void target_free_all_working_areas_restore(struct target *target, int restore)
+static void target_free_all_working_areas_restore(struct target *target, int restore)
{
struct working_area *c = target->working_areas;
Jim_Interp *interp = (Jim_Interp *)priv;
int retval = ERROR_OK;
+ if (!is_jtag_poll_safe())
+ {
+ /* polling is disabled currently */
+ return ERROR_OK;
+ }
+
/* we do not want to recurse here... */
static int recursive = 0;
if (! recursive)
{
break;
}
+ /* avoid GDB timeouts */
+ keep_alive();
}
free(target_buf);
return JIM_OK;
}
-void target_all_handle_event(enum target_event e)
-{
- struct target *target;
-
- LOG_DEBUG("**all*targets: event: %d, %s",
- (int)e,
- Jim_Nvp_value2name_simple(nvp_target_event, e)->name);
-
- target = all_targets;
- while (target) {
- target_handle_event(target, e);
- target = target->next;
- }
-}
-
-
/* FIX? should we propagate errors here rather than printing them
* and continuing?
*/
},
COMMAND_REGISTRATION_DONE
};
-int target_register_user_commands(struct command_context *cmd_ctx)
+static int target_register_user_commands(struct command_context *cmd_ctx)
{
int retval = ERROR_OK;
if ((retval = target_request_register_commands(cmd_ctx)) != ERROR_OK)