* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "image.h"
#include "rtos/rtos.h"
+/* default halt wait timeout (ms) */
+#define DEFAULT_HALT_TIMEOUT 5000
+
static int target_read_buffer_default(struct target *target, uint32_t address,
- uint32_t size, uint8_t *buffer);
+ uint32_t count, uint8_t *buffer);
static int target_write_buffer_default(struct target *target, uint32_t address,
- uint32_t size, const uint8_t *buffer);
+ uint32_t count, const uint8_t *buffer);
static int target_array2mem(Jim_Interp *interp, struct target *target,
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);
+static int target_get_gdb_fileio_info_default(struct target *target,
+ struct gdb_fileio_info *fileio_info);
+static int target_gdb_fileio_end_default(struct target *target, int retcode,
+ int fileio_errno, bool ctrl_c);
/* targets */
extern struct target_type arm7tdmi_target;
{ .name = "watchpoint-and-breakpoint", .value = DBG_REASON_WPTANDBKPT },
{ .name = "single-step" , .value = DBG_REASON_SINGLESTEP },
{ .name = "target-not-halted" , .value = DBG_REASON_NOTHALTED },
+ { .name = "program-exit" , .value = DBG_REASON_EXIT },
{ .name = "undefined" , .value = DBG_REASON_UNDEFINED },
{ .name = NULL, .value = -1 },
};
target->halt_issued = false;
else {
long long t = timeval_ms() - target->halt_issued_time;
- if (t > 1000) {
+ if (t > DEFAULT_HALT_TIMEOUT) {
target->halt_issued = false;
LOG_INFO("Halt timed out, wake up GDB.");
target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT);
retval = target_call_timer_callbacks_now();
struct target *target;
- for (target = all_targets; target; target = target->next)
+ for (target = all_targets; target; target = target->next) {
target->type->check_reset(target);
+ target->running_alg = false;
+ }
return retval;
}
return target->type->write_phys_memory(target, address, size, count, buffer);
}
-static int target_bulk_write_memory_default(struct target *target,
- uint32_t address, uint32_t count, const uint8_t *buffer)
-{
- return target_write_memory(target, address, 4, count, buffer);
-}
-
int target_add_breakpoint(struct target *target,
struct breakpoint *breakpoint)
{
{
return target->type->remove_watchpoint(target, watchpoint);
}
+int target_hit_watchpoint(struct target *target,
+ struct watchpoint **hit_watchpoint)
+{
+ if (target->state != TARGET_HALTED) {
+ LOG_WARNING("target %s is not halted", target->cmd_name);
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ if (target->type->hit_watchpoint == NULL) {
+ /* For backward compatible, if hit_watchpoint is not implemented,
+ * return ERROR_FAIL such that gdb_server will not take the nonsense
+ * information. */
+ return ERROR_FAIL;
+ }
+
+ return target->type->hit_watchpoint(target, hit_watchpoint);
+}
int target_get_gdb_reg_list(struct target *target,
- struct reg **reg_list[], int *reg_list_size)
+ struct reg **reg_list[], int *reg_list_size,
+ enum target_register_class reg_class)
{
- return target->type->get_gdb_reg_list(target, reg_list, reg_list_size);
+ return target->type->get_gdb_reg_list(target, reg_list, reg_list_size, reg_class);
}
int target_step(struct target *target,
int current, uint32_t address, int handle_breakpoints)
return target->type->step(target, current, address, handle_breakpoints);
}
+int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fileio_info)
+{
+ if (target->state != TARGET_HALTED) {
+ LOG_WARNING("target %s is not halted", target->cmd_name);
+ return ERROR_TARGET_NOT_HALTED;
+ }
+ return target->type->get_gdb_fileio_info(target, fileio_info);
+}
+
+int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, bool ctrl_c)
+{
+ if (target->state != TARGET_HALTED) {
+ LOG_WARNING("target %s is not halted", target->cmd_name);
+ return ERROR_TARGET_NOT_HALTED;
+ }
+ return target->type->gdb_fileio_end(target, retcode, fileio_errno, ctrl_c);
+}
+
/**
* Reset the @c examined flag for the given target.
* Pure paranoia -- targets are zeroed on allocation.
if (target->type->write_buffer == NULL)
target->type->write_buffer = target_write_buffer_default;
- if (target->type->bulk_write_memory == NULL)
- target->type->bulk_write_memory = target_bulk_write_memory_default;
+ if (target->type->get_gdb_fileio_info == NULL)
+ target->type->get_gdb_fileio_info = target_get_gdb_fileio_info_default;
+
+ if (target->type->gdb_fileio_end == NULL)
+ target->type->gdb_fileio_end = target_gdb_fileio_end_default;
return ERROR_OK;
}
return retval;
}
+static int target_get_gdb_fileio_info_default(struct target *target,
+ struct gdb_fileio_info *fileio_info)
+{
+ /* If target does not support semi-hosting function, target
+ has no need to provide .get_gdb_fileio_info callback.
+ It just return ERROR_FAIL and gdb_server will return "Txx"
+ as target halted every time. */
+ return ERROR_FAIL;
+}
+
+static int target_gdb_fileio_end_default(struct target *target,
+ int retcode, int fileio_errno, bool ctrl_c)
+{
+ return ERROR_OK;
+}
+
/* Single aligned words are guaranteed to use 16 or 32 bit access
* mode respectively, otherwise data is handled as quickly as
* possible
return target->type->write_buffer(target, address, size, buffer);
}
-static int target_write_buffer_default(struct target *target, uint32_t address, uint32_t size, const uint8_t *buffer)
+static int target_write_buffer_default(struct target *target, uint32_t address, uint32_t count, const uint8_t *buffer)
{
- int retval = ERROR_OK;
-
- if (((address % 2) == 0) && (size == 2))
- return target_write_memory(target, address, 2, 1, buffer);
-
- /* handle unaligned head bytes */
- if (address % 4) {
- uint32_t unaligned = 4 - (address % 4);
+ uint32_t size;
- if (unaligned > size)
- unaligned = size;
-
- retval = target_write_memory(target, address, 1, unaligned, buffer);
- if (retval != ERROR_OK)
- return retval;
-
- buffer += unaligned;
- address += unaligned;
- size -= unaligned;
- }
-
- /* handle aligned words */
- if (size >= 4) {
- int aligned = size - (size % 4);
-
- /* use bulk writes above a certain limit. This may have to be changed */
- if (aligned > 128) {
- retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer);
- if (retval != ERROR_OK)
- return retval;
- } else {
- retval = target_write_memory(target, address, 4, aligned / 4, buffer);
+ /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
+ * will have something to do with the size we leave to it. */
+ for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
+ if (address & size) {
+ int retval = target_write_memory(target, address, size, 1, buffer);
if (retval != ERROR_OK)
return retval;
+ address += size;
+ count -= size;
+ buffer += size;
}
-
- buffer += aligned;
- address += aligned;
- size -= aligned;
}
- /* handle tail writes of less than 4 bytes */
- if (size > 0) {
- retval = target_write_memory(target, address, 1, size, buffer);
- if (retval != ERROR_OK)
- return retval;
+ /* Write the data with as large access size as possible. */
+ for (; size > 0; size /= 2) {
+ uint32_t aligned = count - count % size;
+ if (aligned > 0) {
+ int retval = target_write_memory(target, address, size, aligned / size, buffer);
+ if (retval != ERROR_OK)
+ return retval;
+ address += aligned;
+ count -= aligned;
+ buffer += aligned;
+ }
}
- return retval;
+ return ERROR_OK;
}
/* Single aligned words are guaranteed to use 16 or 32 bit access
return target->type->read_buffer(target, address, size, buffer);
}
-static int target_read_buffer_default(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer)
+static int target_read_buffer_default(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer)
{
- int retval = ERROR_OK;
-
- if (((address % 2) == 0) && (size == 2))
- return target_read_memory(target, address, 2, 1, buffer);
-
- /* handle unaligned head bytes */
- if (address % 4) {
- uint32_t unaligned = 4 - (address % 4);
+ uint32_t size;
- if (unaligned > size)
- unaligned = size;
-
- retval = target_read_memory(target, address, 1, unaligned, buffer);
- if (retval != ERROR_OK)
- return retval;
-
- buffer += unaligned;
- address += unaligned;
- size -= unaligned;
- }
-
- /* handle aligned words */
- if (size >= 4) {
- int aligned = size - (size % 4);
-
- retval = target_read_memory(target, address, 4, aligned / 4, buffer);
- if (retval != ERROR_OK)
- return retval;
-
- buffer += aligned;
- address += aligned;
- size -= aligned;
+ /* Align up to maximum 4 bytes. The loop condition makes sure the next pass
+ * will have something to do with the size we leave to it. */
+ for (size = 1; size < 4 && count >= size * 2 + (address & size); size *= 2) {
+ if (address & size) {
+ int retval = target_read_memory(target, address, size, 1, buffer);
+ if (retval != ERROR_OK)
+ return retval;
+ address += size;
+ count -= size;
+ buffer += size;
+ }
}
- /*prevent byte access when possible (avoid AHB access limitations in some cases)*/
- if (size >= 2) {
- int aligned = size - (size % 2);
- retval = target_read_memory(target, address, 2, aligned / 2, buffer);
- if (retval != ERROR_OK)
- return retval;
-
- buffer += aligned;
- address += aligned;
- size -= aligned;
- }
- /* handle tail writes of less than 4 bytes */
- if (size > 0) {
- retval = target_read_memory(target, address, 1, size, buffer);
- if (retval != ERROR_OK)
- return retval;
+ /* Read the data with as large access size as possible. */
+ for (; size > 0; size /= 2) {
+ uint32_t aligned = count - count % size;
+ if (aligned > 0) {
+ int retval = target_read_memory(target, address, size, aligned / size, buffer);
+ if (retval != ERROR_OK)
+ return retval;
+ address += aligned;
+ count -= aligned;
+ buffer += aligned;
+ }
}
return ERROR_OK;
if (CMD_ARGC > 1)
return ERROR_COMMAND_SYNTAX_ERROR;
- unsigned ms = 5000;
+ unsigned ms = DEFAULT_HALT_TIMEOUT;
if (1 == CMD_ARGC) {
int retval = parse_uint(CMD_ARGV[0], &ms);
if (ERROR_OK != retval)
return ERROR_COMMAND_SYNTAX_ERROR;
- /* convert seconds (given) to milliseconds (needed) */
- ms *= 1000;
}
struct target *target = get_current_target(CMD_CTX);
}
/* now - create the new target name command */
- const const struct command_registration target_subcommands[] = {
+ const struct command_registration target_subcommands[] = {
{
.chain = target_instance_command_handlers,
},
},
COMMAND_REGISTRATION_DONE
};
- const const struct command_registration target_commands[] = {
+ const struct command_registration target_commands[] = {
{
.name = cp,
.mode = COMMAND_ANY,
.handler = handle_wait_halt_command,
.mode = COMMAND_EXEC,
.help = "wait up to the specified number of milliseconds "
- "(default 5) for a previously requested halt",
+ "(default 5000) for a previously requested halt",
.usage = "[milliseconds]",
},
{
.handler = handle_halt_command,
.mode = COMMAND_EXEC,
.help = "request target to halt, then wait up to the specified"
- "number of milliseconds (default 5) for it to complete",
+ "number of milliseconds (default 5000) for it to complete",
.usage = "[milliseconds]",
},
{
projects / fw / openocd / blobdiff