* 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 "trace.h"
#include "image.h"
#include "rtos/rtos.h"
+#include "transport/transport.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);
+static int target_profiling_default(struct target *target, uint32_t *samples,
+ uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds);
/* targets */
extern struct target_type arm7tdmi_target;
extern struct target_type feroceon_target;
extern struct target_type dragonite_target;
extern struct target_type xscale_target;
-extern struct target_type cortexm3_target;
-extern struct target_type cortexa8_target;
+extern struct target_type cortexm_target;
+extern struct target_type cortexa_target;
+extern struct target_type cortexr4_target;
extern struct target_type arm11_target;
extern struct target_type mips_m4k_target;
extern struct target_type avr_target;
extern struct target_type testee_target;
extern struct target_type avr32_ap7k_target;
extern struct target_type hla_target;
+extern struct target_type nds32_v2_target;
+extern struct target_type nds32_v3_target;
+extern struct target_type nds32_v3m_target;
+extern struct target_type or1k_target;
+extern struct target_type quark_x10xx_target;
static struct target_type *target_types[] = {
&arm7tdmi_target,
&feroceon_target,
&dragonite_target,
&xscale_target,
- &cortexm3_target,
- &cortexa8_target,
+ &cortexm_target,
+ &cortexa_target,
+ &cortexr4_target,
&arm11_target,
&mips_m4k_target,
&avr_target,
&testee_target,
&avr32_ap7k_target,
&hla_target,
+ &nds32_v2_target,
+ &nds32_v3_target,
+ &nds32_v3m_target,
+ &or1k_target,
+ &quark_x10xx_target,
NULL,
};
struct target *all_targets;
static struct target_event_callback *target_event_callbacks;
static struct target_timer_callback *target_timer_callbacks;
+LIST_HEAD(target_reset_callback_list);
static const int polling_interval = 100;
static const Jim_Nvp nvp_assert[] = {
{ .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 },
};
return cp;
}
+const char *target_event_name(enum target_event event)
+{
+ const char *cp;
+ cp = Jim_Nvp_value2name_simple(nvp_target_event, event)->name;
+ if (!cp) {
+ LOG_ERROR("Invalid target event: %d", (int)(event));
+ cp = "(*BUG*unknown*BUG*)";
+ }
+ return cp;
+}
+
+const char *target_reset_mode_name(enum target_reset_mode reset_mode)
+{
+ const char *cp;
+ cp = Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode)->name;
+ if (!cp) {
+ LOG_ERROR("Invalid target reset mode: %d", (int)(reset_mode));
+ cp = "(*BUG*unknown*BUG*)";
+ }
+ return cp;
+}
+
/* determine the number of the new target */
static int new_target_number(void)
{
return x + 1;
}
+/* read a uint64_t from a buffer in target memory endianness */
+uint64_t target_buffer_get_u64(struct target *target, const uint8_t *buffer)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ return le_to_h_u64(buffer);
+ else
+ return be_to_h_u64(buffer);
+}
+
/* read a uint32_t from a buffer in target memory endianness */
uint32_t target_buffer_get_u32(struct target *target, const uint8_t *buffer)
{
return *buffer & 0x0ff;
}
+/* write a uint64_t to a buffer in target memory endianness */
+void target_buffer_set_u64(struct target *target, uint8_t *buffer, uint64_t value)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ h_u64_to_le(buffer, value);
+ else
+ h_u64_to_be(buffer, value);
+}
+
/* write a uint32_t to a buffer in target memory endianness */
void target_buffer_set_u32(struct target *target, uint8_t *buffer, uint32_t value)
{
*buffer = value;
}
+/* write a uint64_t array to a buffer in target memory endianness */
+void target_buffer_get_u64_array(struct target *target, const uint8_t *buffer, uint32_t count, uint64_t *dstbuf)
+{
+ uint32_t i;
+ for (i = 0; i < count; i++)
+ dstbuf[i] = target_buffer_get_u64(target, &buffer[i * 8]);
+}
+
/* write a uint32_t array to a buffer in target memory endianness */
void target_buffer_get_u32_array(struct target *target, const uint8_t *buffer, uint32_t count, uint32_t *dstbuf)
{
dstbuf[i] = target_buffer_get_u16(target, &buffer[i * 2]);
}
+/* write a uint64_t array to a buffer in target memory endianness */
+void target_buffer_set_u64_array(struct target *target, uint8_t *buffer, uint32_t count, const uint64_t *srcbuf)
+{
+ uint32_t i;
+ for (i = 0; i < count; i++)
+ target_buffer_set_u64(target, &buffer[i * 8], srcbuf[i]);
+}
+
/* write a uint32_t array to a buffer in target memory endianness */
-void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, uint32_t *srcbuf)
+void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_t count, const uint32_t *srcbuf)
{
uint32_t i;
for (i = 0; i < count; i++)
}
/* write a uint16_t array to a buffer in target memory endianness */
-void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, uint16_t *srcbuf)
+void target_buffer_set_u16_array(struct target *target, uint8_t *buffer, uint32_t count, const uint16_t *srcbuf)
{
uint32_t i;
for (i = 0; i < count; i++)
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);
return ERROR_FAIL;
}
+ struct target *target;
+ for (target = all_targets; target; target = target->next)
+ target_call_reset_callbacks(target, reset_mode);
+
/* disable polling during reset to make reset event scripts
* more predictable, i.e. dr/irscan & pathmove in events will
* not have JTAG operations injected into the middle of a sequence.
/* We want any events to be processed before the prompt */
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;
}
int target_examine_one(struct target *target)
{
- return target->type->examine(target);
+ target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
+
+ int retval = target->type->examine(target);
+ if (retval != ERROR_OK)
+ return retval;
+
+ target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
+
+ return ERROR_OK;
}
static int jtag_enable_callback(enum jtag_event event, void *priv)
jtag_unregister_event_callback(jtag_enable_callback, target);
- target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
-
- int retval = target_examine_one(target);
- if (retval != ERROR_OK)
- return retval;
-
- target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
-
- return retval;
+ return target_examine_one(target);
}
/* Targets that correctly implement init + examine, i.e.
continue;
}
- target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_START);
-
retval = target_examine_one(target);
if (retval != ERROR_OK)
return retval;
-
- target_call_event_callbacks(target, TARGET_EVENT_EXAMINE_END);
}
return retval;
}
return target->type->name;
}
-static int target_write_memory_imp(struct target *target, uint32_t address,
- uint32_t size, uint32_t count, const uint8_t *buffer)
-{
- if (!target_was_examined(target)) {
- 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 *target, uint32_t address,
- uint32_t size, uint32_t count, uint8_t *buffer)
-{
- if (!target_was_examined(target)) {
- 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(struct target *target)
{
if (!target_was_examined(target)) {
*/
int target_run_flash_async_algorithm(struct target *target,
- uint8_t *buffer, uint32_t count, int block_size,
+ const uint8_t *buffer, uint32_t count, int block_size,
int num_mem_params, struct mem_param *mem_params,
int num_reg_params, struct reg_param *reg_params,
uint32_t buffer_start, uint32_t buffer_size,
int retval;
int timeout = 0;
+ const uint8_t *buffer_orig = buffer;
+
/* Set up working area. First word is write pointer, second word is read pointer,
* rest is fifo data area. */
uint32_t wp_addr = buffer_start;
break;
}
- LOG_DEBUG("count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32, count, wp, rp);
+ LOG_DEBUG("offs 0x%zx count 0x%" PRIx32 " wp 0x%" PRIx32 " rp 0x%" PRIx32,
+ (size_t) (buffer - buffer_orig), count, wp, rp);
if (rp == 0) {
LOG_ERROR("flash write algorithm aborted by target");
int target_read_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
return target->type->read_memory(target, address, size, count, buffer);
}
-static int target_read_phys_memory(struct target *target,
+int target_read_phys_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
return target->type->read_phys_memory(target, address, size, count, buffer);
}
int target_write_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
{
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
return target->type->write_memory(target, address, size, count, buffer);
}
-static int target_write_phys_memory(struct target *target,
+int target_write_phys_memory(struct target *target,
uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
{
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
return target->type->write_phys_memory(target, address, size, count, buffer);
}
-int target_bulk_write_memory(struct target *target,
- uint32_t address, uint32_t count, const uint8_t *buffer)
-{
- return target->type->bulk_write_memory(target, address, 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);
+}
+
+int target_profiling(struct target *target, uint32_t *samples,
+ uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
+{
+ if (target->state != TARGET_HALTED) {
+ LOG_WARNING("target %s is not halted", target->cmd_name);
+ return ERROR_TARGET_NOT_HALTED;
+ }
+ return target->type->profiling(target, samples, max_num_samples,
+ num_samples, seconds);
+}
+
/**
* Reset the @c examined flag for the given target.
* Pure paranoia -- targets are zeroed on allocation.
return retval;
}
- /**
- * @todo get rid of those *memory_imp() methods, now that all
- * callers are using target_*_memory() accessors ... and make
- * sure the "physical" paths handle the same issues.
- */
- /* a non-invasive way(in terms of patches) to add some code that
- * runs before the type->write/read_memory implementation
- */
- type->write_memory_imp = target->type->write_memory;
- type->write_memory = target_write_memory_imp;
-
- type->read_memory_imp = target->type->read_memory;
- type->read_memory = target_read_memory_imp;
-
/* Sanity-check MMU support ... stub in what we must, to help
* implement it in stages, but warn if we need to do so.
*/
if (target->type->write_buffer == NULL)
target->type->write_buffer = target_write_buffer_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;
+
+ if (target->type->profiling == NULL)
+ target->type->profiling = target_profiling_default;
+
return ERROR_OK;
}
if (ERROR_OK != retval)
return retval;
+ retval = command_run_line(CMD_CTX, "init_target_events");
+ if (ERROR_OK != retval)
+ return retval;
+
retval = command_run_line(CMD_CTX, "init_board");
if (ERROR_OK != retval)
return retval;
return ERROR_OK;
}
+int target_register_reset_callback(int (*callback)(struct target *target,
+ enum target_reset_mode reset_mode, void *priv), void *priv)
+{
+ struct target_reset_callback *entry;
+
+ if (callback == NULL)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ entry = malloc(sizeof(struct target_reset_callback));
+ if (entry == NULL) {
+ LOG_ERROR("error allocating buffer for reset callback entry");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ entry->callback = callback;
+ entry->priv = priv;
+ list_add(&entry->list, &target_reset_callback_list);
+
+
+ return ERROR_OK;
+}
+
int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
{
struct target_timer_callback **callbacks_p = &target_timer_callbacks;
(*callbacks_p)->callback = callback;
(*callbacks_p)->periodic = periodic;
(*callbacks_p)->time_ms = time_ms;
+ (*callbacks_p)->removed = false;
gettimeofday(&now, NULL);
(*callbacks_p)->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
return ERROR_OK;
}
-static int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
+int target_unregister_reset_callback(int (*callback)(struct target *target,
+ enum target_reset_mode reset_mode, void *priv), void *priv)
{
- struct target_timer_callback **p = &target_timer_callbacks;
- struct target_timer_callback *c = target_timer_callbacks;
+ struct target_reset_callback *entry;
if (callback == NULL)
return ERROR_COMMAND_SYNTAX_ERROR;
- while (c) {
- struct target_timer_callback *next = c->next;
+ list_for_each_entry(entry, &target_reset_callback_list, list) {
+ if (entry->callback == callback && entry->priv == priv) {
+ list_del(&entry->list);
+ free(entry);
+ break;
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
+{
+ if (callback == NULL)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ for (struct target_timer_callback *c = target_timer_callbacks;
+ c; c = c->next) {
if ((c->callback == callback) && (c->priv == priv)) {
- *p = next;
- free(c);
+ c->removed = true;
return ERROR_OK;
- } else
- p = &(c->next);
- c = next;
+ }
}
- return ERROR_OK;
+ return ERROR_FAIL;
}
int target_call_event_callbacks(struct target *target, enum target_event event)
return ERROR_OK;
}
+int target_call_reset_callbacks(struct target *target, enum target_reset_mode reset_mode)
+{
+ struct target_reset_callback *callback;
+
+ LOG_DEBUG("target reset %i (%s)", reset_mode,
+ Jim_Nvp_value2name_simple(nvp_reset_modes, reset_mode)->name);
+
+ list_for_each_entry(callback, &target_reset_callback_list, list)
+ callback->callback(target, reset_mode, callback->priv);
+
+ return ERROR_OK;
+}
+
static int target_timer_callback_periodic_restart(
struct target_timer_callback *cb, struct timeval *now)
{
static int target_call_timer_callbacks_check_time(int checktime)
{
+ static bool callback_processing;
+
+ /* Do not allow nesting */
+ if (callback_processing)
+ return ERROR_OK;
+
+ callback_processing = true;
+
keep_alive();
struct timeval now;
gettimeofday(&now, NULL);
- struct target_timer_callback *callback = target_timer_callbacks;
- while (callback) {
- /* cleaning up may unregister and free this callback */
- struct target_timer_callback *next_callback = callback->next;
+ /* Store an address of the place containing a pointer to the
+ * next item; initially, that's a standalone "root of the
+ * list" variable. */
+ struct target_timer_callback **callback = &target_timer_callbacks;
+ while (*callback) {
+ if ((*callback)->removed) {
+ struct target_timer_callback *p = *callback;
+ *callback = (*callback)->next;
+ free(p);
+ continue;
+ }
- bool call_it = callback->callback &&
- ((!checktime && callback->periodic) ||
- now.tv_sec > callback->when.tv_sec ||
- (now.tv_sec == callback->when.tv_sec &&
- now.tv_usec >= callback->when.tv_usec));
+ bool call_it = (*callback)->callback &&
+ ((!checktime && (*callback)->periodic) ||
+ now.tv_sec > (*callback)->when.tv_sec ||
+ (now.tv_sec == (*callback)->when.tv_sec &&
+ now.tv_usec >= (*callback)->when.tv_usec));
- if (call_it) {
- int retval = target_call_timer_callback(callback, &now);
- if (retval != ERROR_OK)
- return retval;
- }
+ if (call_it)
+ target_call_timer_callback(*callback, &now);
- callback = next_callback;
+ callback = &(*callback)->next;
}
+ callback_processing = false;
return ERROR_OK;
}
return target_free_working_area_restore(target, area, 1);
}
+void target_quit(void)
+{
+ struct target_event_callback *pe = target_event_callbacks;
+ while (pe) {
+ struct target_event_callback *t = pe->next;
+ free(pe);
+ pe = t;
+ }
+ target_event_callbacks = NULL;
+
+ struct target_timer_callback *pt = target_timer_callbacks;
+ while (pt) {
+ struct target_timer_callback *t = pt->next;
+ free(pt);
+ pt = t;
+ }
+ target_timer_callbacks = NULL;
+
+ for (struct target *target = all_targets;
+ target; target = target->next) {
+ if (target->type->deinit_target)
+ target->type->deinit_target(target);
+ }
+}
+
/* free resources and restore memory, if restoring memory fails,
* free up resources anyway
*/
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;
+}
+
+static int target_profiling_default(struct target *target, uint32_t *samples,
+ uint32_t max_num_samples, uint32_t *num_samples, uint32_t seconds)
+{
+ struct timeval timeout, now;
+
+ gettimeofday(&timeout, NULL);
+ timeval_add_time(&timeout, seconds, 0);
+
+ LOG_INFO("Starting profiling. Halting and resuming the"
+ " target as often as we can...");
+
+ uint32_t sample_count = 0;
+ /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
+ struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
+
+ int retval = ERROR_OK;
+ for (;;) {
+ target_poll(target);
+ if (target->state == TARGET_HALTED) {
+ uint32_t t = buf_get_u32(reg->value, 0, 32);
+ samples[sample_count++] = t;
+ /* current pc, addr = 0, do not handle breakpoints, not debugging */
+ retval = target_resume(target, 1, 0, 0, 0);
+ target_poll(target);
+ alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
+ } else if (target->state == TARGET_RUNNING) {
+ /* We want to quickly sample the PC. */
+ retval = target_halt(target);
+ } else {
+ LOG_INFO("Target not halted or running");
+ retval = ERROR_OK;
+ break;
+ }
+
+ if (retval != ERROR_OK)
+ break;
+
+ gettimeofday(&now, NULL);
+ if ((sample_count >= max_num_samples) ||
+ ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))) {
+ LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count);
+ break;
+ }
+ }
+
+ *num_samples = sample_count;
+ return retval;
+}
+
/* 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);
-
- 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;
- }
+ uint32_t size;
- /* 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);
+ uint32_t size;
- /* handle unaligned head bytes */
- if (address % 4) {
- uint32_t unaligned = 4 - (address % 4);
-
- 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;
- }
-
- /*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;
+ /* 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;
+ }
}
- /* 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;
return retval;
}
+int target_read_u64(struct target *target, uint64_t address, uint64_t *value)
+{
+ uint8_t value_buf[8];
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ int retval = target_read_memory(target, address, 8, 1, value_buf);
+
+ if (retval == ERROR_OK) {
+ *value = target_buffer_get_u64(target, value_buf);
+ LOG_DEBUG("address: 0x%" PRIx64 ", value: 0x%16.16" PRIx64 "",
+ address,
+ *value);
+ } else {
+ *value = 0x0;
+ LOG_DEBUG("address: 0x%" PRIx64 " failed",
+ address);
+ }
+
+ return retval;
+}
+
int target_read_u32(struct target *target, uint32_t address, uint32_t *value)
{
uint8_t value_buf[4];
int target_read_u8(struct target *target, uint32_t address, uint8_t *value)
{
- int retval = target_read_memory(target, address, 1, 1, value);
if (!target_was_examined(target)) {
LOG_ERROR("Target not examined yet");
return ERROR_FAIL;
}
+ int retval = target_read_memory(target, address, 1, 1, value);
+
if (retval == ERROR_OK) {
LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x",
address,
return retval;
}
+int target_write_u64(struct target *target, uint64_t address, uint64_t value)
+{
+ int retval;
+ uint8_t value_buf[8];
+ if (!target_was_examined(target)) {
+ LOG_ERROR("Target not examined yet");
+ return ERROR_FAIL;
+ }
+
+ LOG_DEBUG("address: 0x%" PRIx64 ", value: 0x%16.16" PRIx64 "",
+ address,
+ value);
+
+ target_buffer_set_u64(target, value_buf, value);
+ retval = target_write_memory(target, address, 8, 1, value_buf);
+ if (retval != ERROR_OK)
+ LOG_DEBUG("failed: %i", retval);
+
+ return retval;
+}
+
int target_write_u32(struct target *target, uint32_t address, uint32_t value)
{
int retval;
for (struct target *target = all_targets;
is_jtag_poll_safe() && target;
target = target->next) {
+
+ if (!target_was_examined(target))
+ continue;
+
if (!target->tap->enabled)
continue;
return retval;
}
/* Since we succeeded, we reset backoff count */
- if (target->backoff.times > 0)
- LOG_USER("Polling target %s succeeded again", target_name(target));
+ if (target->backoff.times > 0) {
+ LOG_USER("Polling target %s succeeded again, trying to reexamine", target_name(target));
+ target_reset_examined(target);
+ retval = target_examine_one(target);
+ /* Target examination could have failed due to unstable connection,
+ * but we set the examined flag anyway to repoll it later */
+ if (retval != ERROR_OK) {
+ target->examined = true;
+ return retval;
+ }
+ }
+
target->backoff.times = 0;
}
}
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);
typedef int (*target_write_fn)(struct target *target,
uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer);
-static int target_write_memory_fast(struct target *target,
- uint32_t address, uint32_t size, uint32_t count, const uint8_t *buffer)
-{
- return target_write_buffer(target, address, size * count, buffer);
-}
-
static int target_fill_mem(struct target *target,
uint32_t address,
target_write_fn fn,
CMD_ARGV++;
fn = target_write_phys_memory;
} else
- fn = target_write_memory_fast;
+ fn = target_write_memory;
if ((CMD_ARGC < 2) || (CMD_ARGC > 3))
return ERROR_COMMAND_SYNTAX_ERROR;
if (diffs == 0)
LOG_ERROR("checksum mismatch - attempting binary compare");
- data = (uint8_t *)malloc(buf_cnt);
+ data = malloc(buf_cnt);
/* Can we use 32bit word accesses? */
int size = 1;
uint32_t addr, uint32_t asid, uint32_t length, int hw)
{
struct target *target = get_current_target(cmd_ctx);
+ int retval;
if (asid == 0) {
- int retval = breakpoint_add(target, addr, length, hw);
+ retval = breakpoint_add(target, addr, length, hw);
if (ERROR_OK == retval)
command_print(cmd_ctx, "breakpoint set at 0x%8.8" PRIx32 "", addr);
else {
return retval;
}
} else if (addr == 0) {
- int retval = context_breakpoint_add(target, asid, length, hw);
+ if (target->type->add_context_breakpoint == NULL) {
+ LOG_WARNING("Context breakpoint not available");
+ return ERROR_OK;
+ }
+ retval = context_breakpoint_add(target, asid, length, hw);
if (ERROR_OK == retval)
command_print(cmd_ctx, "Context breakpoint set at 0x%8.8" PRIx32 "", asid);
else {
return retval;
}
} else {
- int retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
+ if (target->type->add_hybrid_breakpoint == NULL) {
+ LOG_WARNING("Hybrid breakpoint not available");
+ return ERROR_OK;
+ }
+ retval = hybrid_breakpoint_add(target, addr, asid, length, hw);
if (ERROR_OK == retval)
command_print(cmd_ctx, "Hybrid breakpoint set at 0x%8.8" PRIx32 "", asid);
else {
LOG_ERROR("failed to write %zu bytes: %s", len, strerror(errno));
}
-static void writeLong(FILE *f, int l)
+static void writeLong(FILE *f, int l, struct target *target)
{
- int i;
- for (i = 0; i < 4; i++) {
- char c = (l >> (i*8))&0xff;
- writeData(f, &c, 1);
- }
+ uint8_t val[4];
+ target_buffer_set_u32(target, val, l);
+ writeData(f, val, 4);
}
static void writeString(FILE *f, char *s)
writeData(f, s, strlen(s));
}
+typedef unsigned char UNIT[2]; /* unit of profiling */
+
/* Dump a gmon.out histogram file. */
-static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filename)
+static void write_gmon(uint32_t *samples, uint32_t sampleNum, const char *filename, bool with_range,
+ uint32_t start_address, uint32_t end_address, struct target *target)
{
uint32_t i;
FILE *f = fopen(filename, "w");
if (f == NULL)
return;
writeString(f, "gmon");
- writeLong(f, 0x00000001); /* Version */
- writeLong(f, 0); /* padding */
- writeLong(f, 0); /* padding */
- writeLong(f, 0); /* padding */
+ writeLong(f, 0x00000001, target); /* Version */
+ writeLong(f, 0, target); /* padding */
+ writeLong(f, 0, target); /* padding */
+ writeLong(f, 0, target); /* padding */
uint8_t zero = 0; /* GMON_TAG_TIME_HIST */
writeData(f, &zero, 1);
/* figure out bucket size */
- uint32_t min = samples[0];
- uint32_t max = samples[0];
- for (i = 0; i < sampleNum; i++) {
- if (min > samples[i])
- min = samples[i];
- if (max < samples[i])
- max = samples[i];
+ uint32_t min;
+ uint32_t max;
+ if (with_range) {
+ min = start_address;
+ max = end_address;
+ } else {
+ min = samples[0];
+ max = samples[0];
+ for (i = 0; i < sampleNum; i++) {
+ if (min > samples[i])
+ min = samples[i];
+ if (max < samples[i])
+ max = samples[i];
+ }
+
+ /* max should be (largest sample + 1)
+ * Refer to binutils/gprof/hist.c (find_histogram_for_pc) */
+ max++;
}
- int addressSpace = (max - min + 1);
+ int addressSpace = max - min;
assert(addressSpace >= 2);
- static const uint32_t maxBuckets = 16 * 1024; /* maximum buckets. */
- uint32_t length = addressSpace;
- if (length > maxBuckets)
- length = maxBuckets;
- int *buckets = malloc(sizeof(int)*length);
+ /* FIXME: What is the reasonable number of buckets?
+ * The profiling result will be more accurate if there are enough buckets. */
+ static const uint32_t maxBuckets = 128 * 1024; /* maximum buckets. */
+ uint32_t numBuckets = addressSpace / sizeof(UNIT);
+ if (numBuckets > maxBuckets)
+ numBuckets = maxBuckets;
+ int *buckets = malloc(sizeof(int) * numBuckets);
if (buckets == NULL) {
fclose(f);
return;
}
- memset(buckets, 0, sizeof(int) * length);
+ memset(buckets, 0, sizeof(int) * numBuckets);
for (i = 0; i < sampleNum; i++) {
uint32_t address = samples[i];
+
+ if ((address < min) || (max <= address))
+ continue;
+
long long a = address - min;
- long long b = length - 1;
- long long c = addressSpace - 1;
+ long long b = numBuckets;
+ long long c = addressSpace;
int index_t = (a * b) / c; /* danger!!!! int32 overflows */
buckets[index_t]++;
}
/* 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, 100); /* KLUDGE! We lie, ca. 100Hz best case. */
+ writeLong(f, min, target); /* low_pc */
+ writeLong(f, max, target); /* high_pc */
+ writeLong(f, numBuckets, target); /* # of buckets */
+ writeLong(f, 100, target); /* KLUDGE! We lie, ca. 100Hz best case. */
writeString(f, "seconds");
for (i = 0; i < (15-strlen("seconds")); i++)
writeData(f, &zero, 1);
/*append binary memory gmon.out profile_hist_data (profile_hist_data + profile_hist_hdr.hist_size) */
- char *data = malloc(2 * length);
+ char *data = malloc(2 * numBuckets);
if (data != NULL) {
- for (i = 0; i < length; i++) {
+ for (i = 0; i < numBuckets; i++) {
int val;
val = buckets[i];
if (val > 65535)
data[i * 2 + 1] = (val >> 8) & 0xff;
}
free(buckets);
- writeData(f, data, length * 2);
+ writeData(f, data, numBuckets * 2);
free(data);
} else
free(buckets);
COMMAND_HANDLER(handle_profile_command)
{
struct target *target = get_current_target(CMD_CTX);
- struct timeval timeout, now;
- gettimeofday(&timeout, NULL);
- if (CMD_ARGC != 2)
+ if ((CMD_ARGC != 2) && (CMD_ARGC != 4))
return ERROR_COMMAND_SYNTAX_ERROR;
- unsigned offset;
- COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], offset);
- timeval_add_time(&timeout, offset, 0);
+ const uint32_t MAX_PROFILE_SAMPLE_NUM = 10000;
+ uint32_t offset;
+ uint32_t num_of_samples;
+ int retval = ERROR_OK;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], offset);
+
+ uint32_t *samples = malloc(sizeof(uint32_t) * MAX_PROFILE_SAMPLE_NUM);
+ if (samples == NULL) {
+ LOG_ERROR("No memory to store samples.");
+ return ERROR_FAIL;
+ }
/**
- * @todo: Some cores let us sample the PC without the
+ * Some cores let us sample the PC without the
* annoying halt/resume step; for example, ARMv7 PCSR.
* Provide a way to use that more efficient mechanism.
*/
+ retval = target_profiling(target, samples, MAX_PROFILE_SAMPLE_NUM,
+ &num_of_samples, offset);
+ if (retval != ERROR_OK) {
+ free(samples);
+ return retval;
+ }
- command_print(CMD_CTX, "Starting profiling. Halting and resuming the target as often as we can...");
-
- static const int maxSample = 10000;
- uint32_t *samples = malloc(sizeof(uint32_t)*maxSample);
- if (samples == NULL)
- return ERROR_OK;
-
- int numSamples = 0;
- /* hopefully it is safe to cache! We want to stop/restart as quickly as possible. */
- struct reg *reg = register_get_by_name(target->reg_cache, "pc", 1);
+ assert(num_of_samples <= MAX_PROFILE_SAMPLE_NUM);
- int retval = ERROR_OK;
- for (;;) {
- target_poll(target);
- if (target->state == TARGET_HALTED) {
- uint32_t t = *((uint32_t *)reg->value);
- samples[numSamples++] = t;
- /* current pc, addr = 0, do not handle breakpoints, not debugging */
- retval = target_resume(target, 1, 0, 0, 0);
- target_poll(target);
- alive_sleep(10); /* sleep 10ms, i.e. <100 samples/second. */
- } else if (target->state == TARGET_RUNNING) {
- /* We want to quickly sample the PC. */
- retval = target_halt(target);
- if (retval != ERROR_OK) {
- free(samples);
- return retval;
- }
- } else {
- command_print(CMD_CTX, "Target not halted or running");
- retval = ERROR_OK;
- break;
+ retval = target_poll(target);
+ if (retval != ERROR_OK) {
+ free(samples);
+ return retval;
+ }
+ if (target->state == TARGET_RUNNING) {
+ retval = target_halt(target);
+ if (retval != ERROR_OK) {
+ free(samples);
+ return retval;
}
- 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);
- retval = target_poll(target);
- if (retval != ERROR_OK) {
- free(samples);
- return retval;
- }
- if (target->state == TARGET_HALTED) {
- /* current pc, addr = 0, do not handle
- * breakpoints, not debugging */
- target_resume(target, 1, 0, 0, 0);
- }
- retval = target_poll(target);
- if (retval != ERROR_OK) {
- free(samples);
- return retval;
- }
- writeGmon(samples, numSamples, CMD_ARGV[1]);
- command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
- break;
- }
+ retval = target_poll(target);
+ if (retval != ERROR_OK) {
+ free(samples);
+ return retval;
}
- free(samples);
+ uint32_t start_address = 0;
+ uint32_t end_address = 0;
+ bool with_range = false;
+ if (CMD_ARGC == 4) {
+ with_range = true;
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], start_address);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], end_address);
+ }
+
+ write_gmon(samples, num_of_samples, CMD_ARGV[1],
+ with_range, start_address, end_address, target);
+ command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]);
+
+ free(samples);
return retval;
}
new_int_array_element(interp, varname, n, v);
}
len -= count;
+ addr += count * width;
}
}
e = JIM_ERR;
break;
}
+ addr += count * width;
}
free(buffer);
TCFG_WORK_AREA_SIZE,
TCFG_WORK_AREA_BACKUP,
TCFG_ENDIAN,
- TCFG_VARIANT,
TCFG_COREID,
TCFG_CHAIN_POSITION,
TCFG_DBGBASE,
{ .name = "-work-area-size", .value = TCFG_WORK_AREA_SIZE },
{ .name = "-work-area-backup", .value = TCFG_WORK_AREA_BACKUP },
{ .name = "-endian" , .value = TCFG_ENDIAN },
- { .name = "-variant", .value = TCFG_VARIANT },
{ .name = "-coreid", .value = TCFG_COREID },
{ .name = "-chain-position", .value = TCFG_CHAIN_POSITION },
{ .name = "-dbgbase", .value = TCFG_DBGBASE },
Jim_Nvp *n;
Jim_Obj *o;
jim_wide w;
- char *cp;
int e;
/* parse config or cget options ... */
/* loop for more */
break;
- case TCFG_VARIANT:
- if (goi->isconfigure) {
- if (goi->argc < 1) {
- Jim_SetResultFormatted(goi->interp,
- "%s ?STRING?",
- n->name);
- return JIM_ERR;
- }
- if (target->variant)
- free((void *)(target->variant));
- e = Jim_GetOpt_String(goi, &cp, NULL);
- if (e != JIM_OK)
- return e;
- target->variant = strdup(cp);
- } else {
- if (goi->argc != 0)
- goto no_params;
- }
- Jim_SetResultString(goi->interp, target->variant, -1);
- /* loop for more */
- break;
-
case TCFG_COREID:
if (goi->isconfigure) {
e = Jim_GetOpt_Wide(goi, &w);
}
target_write_fn fn;
- fn = target_write_memory_fast;
+ fn = target_write_memory;
int e;
if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0) {
if (e != JIM_OK)
return e;
cp = cp2;
+ struct transport *tr = get_current_transport();
+ if (tr->override_target) {
+ e = tr->override_target(&cp);
+ if (e != ERROR_OK) {
+ LOG_ERROR("The selected transport doesn't support this target");
+ return JIM_ERR;
+ }
+ LOG_INFO("The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD");
+ }
/* now does target type exist */
for (x = 0 ; target_types[x] ; x++) {
if (0 == strcmp(cp, target_types[x]->name)) {
target = calloc(1, sizeof(struct target));
/* set target number */
target->target_number = new_target_number();
+ cmd_ctx->current_target = target->target_number;
/* allocate memory for each unique target type */
- target->type = (struct target_type *)calloc(1, sizeof(struct target_type));
+ target->type = calloc(1, sizeof(struct target_type));
memcpy(target->type, target_types[x], sizeof(struct target_type));
target->endianness = TARGET_LITTLE_ENDIAN;
}
- /* incase variant is not set */
- if (!target->variant)
- target->variant = strdup("");
-
cp = Jim_GetString(new_cmd, NULL);
target->cmd_name = strdup(cp);
}
/* 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,
return target_create(&goi);
}
-static int jim_target_number(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- Jim_GetOptInfo goi;
- Jim_GetOpt_Setup(&goi, interp, argc - 1, argv + 1);
-
- /* It's OK to remove this mechanism sometime after August 2010 or so */
- LOG_WARNING("don't use numbers as target identifiers; use names");
- if (goi.argc != 1) {
- Jim_SetResultFormatted(goi.interp, "usage: target number <number>");
- return JIM_ERR;
- }
- jim_wide w;
- int e = Jim_GetOpt_Wide(&goi, &w);
- if (e != JIM_OK)
- return JIM_ERR;
-
- struct target *target;
- for (target = all_targets; NULL != target; target = target->next) {
- if (target->target_number != w)
- continue;
-
- Jim_SetResultString(goi.interp, target_name(target), -1);
- return JIM_OK;
- }
- {
- Jim_Obj *wObj = Jim_NewIntObj(goi.interp, w);
- Jim_SetResultFormatted(goi.interp,
- "Target: number %#s does not exist", wObj);
- Jim_FreeNewObj(interp, wObj);
- }
- return JIM_ERR;
-}
-
-static int jim_target_count(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
-{
- if (argc != 1) {
- Jim_WrongNumArgs(interp, 1, argv, "<no parameters>");
- return JIM_ERR;
- }
- unsigned count = 0;
- struct target *target = all_targets;
- while (NULL != target) {
- target = target->next;
- count++;
- }
- Jim_SetResult(interp, Jim_NewIntObj(interp, count));
- return JIM_OK;
-}
-
static const struct command_registration target_subcommand_handlers[] = {
{
.name = "init",
.jim_handler = jim_target_names,
.help = "Returns the names of all targets as a list of strings",
},
- {
- .name = "number",
- .mode = COMMAND_ANY,
- .jim_handler = jim_target_number,
- .usage = "number",
- .help = "Returns the name of the numbered target "
- "(DEPRECATED)",
- },
- {
- .name = "count",
- .mode = COMMAND_ANY,
- .jim_handler = jim_target_count,
- .help = "Returns the number of targets as an integer "
- "(DEPRECATED)",
- },
{
.name = "smp",
.mode = COMMAND_ANY,
image_size = 0x0;
retval = ERROR_OK;
fastload_num = image.num_sections;
- fastload = (struct FastLoad *)malloc(sizeof(struct FastLoad)*image.num_sections);
+ fastload = malloc(sizeof(struct FastLoad)*image.num_sections);
if (fastload == NULL) {
command_print(CMD_CTX, "out of memory");
image_close(&image);
fastload[i].data = malloc(length);
if (fastload[i].data == NULL) {
free(buffer);
- command_print(CMD_CTX, "error allocating buffer for section (%d bytes)",
+ command_print(CMD_CTX, "error allocating buffer for section (%" PRIu32 " bytes)",
length);
retval = ERROR_FAIL;
break;
}
}
+static void binprint(struct command_context *cmd_ctx, const char *text, const uint8_t *buf, int size)
+{
+ if (text != NULL)
+ command_print_sameline(cmd_ctx, "%s", text);
+ for (int i = 0; i < size; i++)
+ command_print_sameline(cmd_ctx, " %02x", buf[i]);
+ command_print(cmd_ctx, " ");
+}
+
+COMMAND_HANDLER(handle_test_mem_access_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+ uint32_t test_size;
+ int retval = ERROR_OK;
+
+ if (target->state != TARGET_HALTED) {
+ LOG_INFO("target not halted !!");
+ return ERROR_FAIL;
+ }
+
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], test_size);
+
+ /* Test reads */
+ size_t num_bytes = test_size + 4;
+
+ struct working_area *wa = NULL;
+ retval = target_alloc_working_area(target, num_bytes, &wa);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Not enough working area");
+ return ERROR_FAIL;
+ }
+
+ uint8_t *test_pattern = malloc(num_bytes);
+
+ for (size_t i = 0; i < num_bytes; i++)
+ test_pattern[i] = rand();
+
+ retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Test pattern write failed");
+ goto out;
+ }
+
+ for (int host_offset = 0; host_offset <= 1; host_offset++) {
+ for (int size = 1; size <= 4; size *= 2) {
+ for (int offset = 0; offset < 4; offset++) {
+ uint32_t count = test_size / size;
+ size_t host_bufsiz = (count + 2) * size + host_offset;
+ uint8_t *read_ref = malloc(host_bufsiz);
+ uint8_t *read_buf = malloc(host_bufsiz);
+
+ for (size_t i = 0; i < host_bufsiz; i++) {
+ read_ref[i] = rand();
+ read_buf[i] = read_ref[i];
+ }
+ command_print_sameline(CMD_CTX,
+ "Test read %" PRIu32 " x %d @ %d to %saligned buffer: ", count,
+ size, offset, host_offset ? "un" : "");
+
+ struct duration bench;
+ duration_start(&bench);
+
+ retval = target_read_memory(target, wa->address + offset, size, count,
+ read_buf + size + host_offset);
+
+ duration_measure(&bench);
+
+ if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
+ command_print(CMD_CTX, "Unsupported alignment");
+ goto next;
+ } else if (retval != ERROR_OK) {
+ command_print(CMD_CTX, "Memory read failed");
+ goto next;
+ }
+
+ /* replay on host */
+ memcpy(read_ref + size + host_offset, test_pattern + offset, count * size);
+
+ /* check result */
+ int result = memcmp(read_ref, read_buf, host_bufsiz);
+ if (result == 0) {
+ command_print(CMD_CTX, "Pass in %fs (%0.3f KiB/s)",
+ duration_elapsed(&bench),
+ duration_kbps(&bench, count * size));
+ } else {
+ command_print(CMD_CTX, "Compare failed");
+ binprint(CMD_CTX, "ref:", read_ref, host_bufsiz);
+ binprint(CMD_CTX, "buf:", read_buf, host_bufsiz);
+ }
+next:
+ free(read_ref);
+ free(read_buf);
+ }
+ }
+ }
+
+out:
+ free(test_pattern);
+
+ if (wa != NULL)
+ target_free_working_area(target, wa);
+
+ /* Test writes */
+ num_bytes = test_size + 4 + 4 + 4;
+
+ retval = target_alloc_working_area(target, num_bytes, &wa);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Not enough working area");
+ return ERROR_FAIL;
+ }
+
+ test_pattern = malloc(num_bytes);
+
+ for (size_t i = 0; i < num_bytes; i++)
+ test_pattern[i] = rand();
+
+ for (int host_offset = 0; host_offset <= 1; host_offset++) {
+ for (int size = 1; size <= 4; size *= 2) {
+ for (int offset = 0; offset < 4; offset++) {
+ uint32_t count = test_size / size;
+ size_t host_bufsiz = count * size + host_offset;
+ uint8_t *read_ref = malloc(num_bytes);
+ uint8_t *read_buf = malloc(num_bytes);
+ uint8_t *write_buf = malloc(host_bufsiz);
+
+ for (size_t i = 0; i < host_bufsiz; i++)
+ write_buf[i] = rand();
+ command_print_sameline(CMD_CTX,
+ "Test write %" PRIu32 " x %d @ %d from %saligned buffer: ", count,
+ size, offset, host_offset ? "un" : "");
+
+ retval = target_write_memory(target, wa->address, 1, num_bytes, test_pattern);
+ if (retval != ERROR_OK) {
+ command_print(CMD_CTX, "Test pattern write failed");
+ goto nextw;
+ }
+
+ /* replay on host */
+ memcpy(read_ref, test_pattern, num_bytes);
+ memcpy(read_ref + size + offset, write_buf + host_offset, count * size);
+
+ struct duration bench;
+ duration_start(&bench);
+
+ retval = target_write_memory(target, wa->address + size + offset, size, count,
+ write_buf + host_offset);
+
+ duration_measure(&bench);
+
+ if (retval == ERROR_TARGET_UNALIGNED_ACCESS) {
+ command_print(CMD_CTX, "Unsupported alignment");
+ goto nextw;
+ } else if (retval != ERROR_OK) {
+ command_print(CMD_CTX, "Memory write failed");
+ goto nextw;
+ }
+
+ /* read back */
+ retval = target_read_memory(target, wa->address, 1, num_bytes, read_buf);
+ if (retval != ERROR_OK) {
+ command_print(CMD_CTX, "Test pattern write failed");
+ goto nextw;
+ }
+
+ /* check result */
+ int result = memcmp(read_ref, read_buf, num_bytes);
+ if (result == 0) {
+ command_print(CMD_CTX, "Pass in %fs (%0.3f KiB/s)",
+ duration_elapsed(&bench),
+ duration_kbps(&bench, count * size));
+ } else {
+ command_print(CMD_CTX, "Compare failed");
+ binprint(CMD_CTX, "ref:", read_ref, num_bytes);
+ binprint(CMD_CTX, "buf:", read_buf, num_bytes);
+ }
+nextw:
+ free(read_ref);
+ free(read_buf);
+ }
+ }
+ }
+
+ free(test_pattern);
+
+ if (wa != NULL)
+ target_free_working_area(target, wa);
+ return retval;
+}
+
static const struct command_registration target_exec_command_handlers[] = {
{
.name = "fast_load_image",
.name = "profile",
.handler = handle_profile_command,
.mode = COMMAND_EXEC,
- .usage = "seconds filename",
+ .usage = "seconds filename [start end]",
.help = "profiling samples the CPU PC",
},
/** @todo don't register virt2phys() unless target supports it */
.name = "reg",
.handler = handle_reg_command,
.mode = COMMAND_EXEC,
- .help = "display or set a register; with no arguments, "
- "displays all registers and their values",
- .usage = "[(register_name|register_number) [value]]",
+ .help = "display (reread from target with \"force\") or set a register; "
+ "with no arguments, displays all registers and their values",
+ .usage = "[(register_number|register_name) [(value|'force')]]",
},
{
.name = "poll",
.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]",
},
{
.help = "list all tasks ",
.usage = " ",
},
+ {
+ .name = "test_mem_access",
+ .handler = handle_test_mem_access_command,
+ .mode = COMMAND_EXEC,
+ .help = "Test the target's memory access functions",
+ .usage = "size",
+ },
COMMAND_REGISTRATION_DONE
};
projects / openocd / blobdiff