X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Ftarget.c;h=e3c81689d85271c4fdd3b2cbf23948bf3a7432fc;hp=29a011cea13756efd635fe822c1a298c41a6a45e;hb=10aeff925936a43e873acfd0068b1eea03781051;hpb=d86211b1da4a9ab1f7412de959907d5d73a9188e diff --git a/src/target/target.c b/src/target/target.c index 29a011cea1..e3c81689d8 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -34,9 +34,7 @@ * GNU General Public License for more details. * * * * 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., * - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * + * along with this program. If not, see . * ***************************************************************************/ #ifdef HAVE_CONFIG_H @@ -55,14 +53,15 @@ #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, @@ -72,6 +71,8 @@ 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; @@ -85,10 +86,11 @@ extern struct target_type fa526_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 ls1_sap_target; extern struct target_type mips_m4k_target; extern struct target_type avr_target; extern struct target_type dsp563xx_target; @@ -99,6 +101,9 @@ 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; +extern struct target_type quark_d20xx_target; static struct target_type *target_types[] = { &arm7tdmi_target, @@ -112,10 +117,11 @@ static struct target_type *target_types[] = { &feroceon_target, &dragonite_target, &xscale_target, - &cortexm3_target, - &cortexa8_target, + &cortexm_target, + &cortexa_target, &cortexr4_target, &arm11_target, + &ls1_sap_target, &mips_m4k_target, &avr_target, &dsp563xx_target, @@ -126,12 +132,17 @@ static struct target_type *target_types[] = { &nds32_v2_target, &nds32_v3_target, &nds32_v3m_target, + &or1k_target, + &quark_x10xx_target, + &quark_d20xx_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); +LIST_HEAD(target_trace_callback_list); static const int polling_interval = 100; static const Jim_Nvp nvp_assert[] = { @@ -209,6 +220,8 @@ static const Jim_Nvp nvp_target_event[] = { { .value = TARGET_EVENT_GDB_FLASH_ERASE_START, .name = "gdb-flash-erase-start" }, { .value = TARGET_EVENT_GDB_FLASH_ERASE_END , .name = "gdb-flash-erase-end" }, + { .value = TARGET_EVENT_TRACE_CONFIG, .name = "trace-config" }, + { .name = NULL, .value = -1 } }; @@ -273,6 +286,28 @@ const char *target_state_name(struct target *t) 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) { @@ -290,6 +325,15 @@ 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) { @@ -323,6 +367,15 @@ static uint8_t target_buffer_get_u8(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) { @@ -356,6 +409,14 @@ static void target_buffer_set_u8(struct target *target, uint8_t *buffer, uint8_t *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) { @@ -372,8 +433,16 @@ void target_buffer_get_u16_array(struct target *target, const uint8_t *buffer, u 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++) @@ -381,7 +450,7 @@ void target_buffer_set_u32_array(struct target *target, uint8_t *buffer, uint32_ } /* 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++) @@ -420,7 +489,7 @@ struct target *get_target(const char *id) } /* returns a pointer to the n-th configured target */ -static struct target *get_target_by_num(int num) +struct target *get_target_by_num(int num) { struct target *target = all_targets; @@ -463,7 +532,7 @@ int target_poll(struct target *target) if (target->state == TARGET_HALTED) target->halt_issued = false; else { - long long t = timeval_ms() - target->halt_issued_time; + int64_t t = timeval_ms() - target->halt_issued_time; if (t > DEFAULT_HALT_TIMEOUT) { target->halt_issued = false; LOG_INFO("Halt timed out, wake up GDB."); @@ -560,6 +629,10 @@ static int target_process_reset(struct command_context *cmd_ctx, enum target_res 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. @@ -582,7 +655,6 @@ static int target_process_reset(struct command_context *cmd_ctx, enum target_res /* 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) { target->type->check_reset(target); target->running_alg = false; @@ -618,7 +690,15 @@ static int default_check_reset(struct target *target) 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) @@ -630,15 +710,7 @@ 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. @@ -659,13 +731,9 @@ int target_examine(void) 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; } @@ -813,7 +881,7 @@ done: */ 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, @@ -822,6 +890,8 @@ int target_run_flash_async_algorithm(struct target *target, 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; @@ -862,7 +932,8 @@ int target_run_flash_async_algorithm(struct target *target, 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"); @@ -870,7 +941,7 @@ int target_run_flash_async_algorithm(struct target *target, break; } - if ((rp & (block_size - 1)) || rp < fifo_start_addr || rp >= fifo_end_addr) { + if (((rp - fifo_start_addr) & (block_size - 1)) || rp < fifo_start_addr || rp >= fifo_end_addr) { LOG_ERROR("corrupted fifo read pointer 0x%" PRIx32, rp); break; } @@ -943,6 +1014,15 @@ int target_run_flash_async_algorithm(struct target *target, retval = retval2; } + if (retval == ERROR_OK) { + /* check if algorithm set rp = 0 after fifo writer loop finished */ + retval = target_read_u32(target, rp_addr, &rp); + if (retval == ERROR_OK && rp == 0) { + LOG_ERROR("flash write algorithm aborted by target"); + retval = ERROR_FLASH_OPERATION_FAILED; + } + } + return retval; } @@ -953,6 +1033,10 @@ int target_read_memory(struct target *target, LOG_ERROR("Target not examined yet"); return ERROR_FAIL; } + if (!target->type->read_memory) { + LOG_ERROR("Target %s doesn't support read_memory", target_name(target)); + return ERROR_FAIL; + } return target->type->read_memory(target, address, size, count, buffer); } @@ -963,6 +1047,10 @@ int target_read_phys_memory(struct target *target, LOG_ERROR("Target not examined yet"); return ERROR_FAIL; } + if (!target->type->read_phys_memory) { + LOG_ERROR("Target %s doesn't support read_phys_memory", target_name(target)); + return ERROR_FAIL; + } return target->type->read_phys_memory(target, address, size, count, buffer); } @@ -973,6 +1061,10 @@ int target_write_memory(struct target *target, LOG_ERROR("Target not examined yet"); return ERROR_FAIL; } + if (!target->type->write_memory) { + LOG_ERROR("Target %s doesn't support write_memory", target_name(target)); + return ERROR_FAIL; + } return target->type->write_memory(target, address, size, count, buffer); } @@ -983,15 +1075,13 @@ int target_write_phys_memory(struct target *target, LOG_ERROR("Target not examined yet"); return ERROR_FAIL; } + if (!target->type->write_phys_memory) { + LOG_ERROR("Target %s doesn't support write_phys_memory", target_name(target)); + return ERROR_FAIL; + } 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) { @@ -1090,6 +1180,17 @@ int target_gdb_fileio_end(struct target *target, int retcode, int fileio_errno, 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. @@ -1099,20 +1200,6 @@ static void target_reset_examined(struct target *target) target->examined = false; } -static int err_read_phys_memory(struct target *target, uint32_t address, - uint32_t size, uint32_t count, uint8_t *buffer) -{ - LOG_ERROR("Not implemented: %s", __func__); - return ERROR_FAIL; -} - -static int err_write_phys_memory(struct target *target, uint32_t address, - uint32_t size, uint32_t count, const uint8_t *buffer) -{ - LOG_ERROR("Not implemented: %s", __func__); - return ERROR_FAIL; -} - static int handle_target(void *priv); static int target_init_one(struct command_context *cmd_ctx, @@ -1139,16 +1226,6 @@ static int target_init_one(struct command_context *cmd_ctx, * implement it in stages, but warn if we need to do so. */ if (type->mmu) { - if (type->write_phys_memory == NULL) { - LOG_ERROR("type '%s' is missing write_phys_memory", - type->name); - type->write_phys_memory = err_write_phys_memory; - } - if (type->read_phys_memory == NULL) { - LOG_ERROR("type '%s' is missing read_phys_memory", - type->name); - type->read_phys_memory = err_read_phys_memory; - } if (type->virt2phys == NULL) { LOG_ERROR("type '%s' is missing virt2phys", type->name); type->virt2phys = identity_virt2phys; @@ -1173,15 +1250,15 @@ static int target_init_one(struct command_context *cmd_ctx, 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; + if (target->type->profiling == NULL) + target->type->profiling = target_profiling_default; + return ERROR_OK; } @@ -1229,6 +1306,10 @@ COMMAND_HANDLER(handle_target_init_command) 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; @@ -1259,6 +1340,50 @@ int target_register_event_callback(int (*callback)(struct target *target, 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_trace_callback(int (*callback)(struct target *target, + size_t len, uint8_t *data, void *priv), void *priv) +{ + struct target_trace_callback *entry; + + if (callback == NULL) + return ERROR_COMMAND_SYNTAX_ERROR; + + entry = malloc(sizeof(struct target_trace_callback)); + if (entry == NULL) { + LOG_ERROR("error allocating buffer for trace callback entry"); + return ERROR_COMMAND_SYNTAX_ERROR; + } + + entry->callback = callback; + entry->priv = priv; + list_add(&entry->list, &target_trace_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; @@ -1277,6 +1402,7 @@ int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int (*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; @@ -1316,26 +1442,58 @@ int target_unregister_event_callback(int (*callback)(struct target *target, 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_trace_callback(int (*callback)(struct target *target, + size_t len, uint8_t *data, void *priv), void *priv) +{ + struct target_trace_callback *entry; + + if (callback == NULL) + return ERROR_COMMAND_SYNTAX_ERROR; + + list_for_each_entry(entry, &target_trace_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) @@ -1362,6 +1520,29 @@ 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; +} + +int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data) +{ + struct target_trace_callback *callback; + + list_for_each_entry(callback, &target_trace_callback_list, list) + callback->callback(target, len, data, callback->priv); + + return ERROR_OK; +} + static int target_timer_callback_periodic_restart( struct target_timer_callback *cb, struct timeval *now) { @@ -1389,31 +1570,44 @@ static int target_call_timer_callback(struct target_timer_callback *cb, 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; } @@ -1663,6 +1857,31 @@ int target_free_working_area(struct target *target, struct working_area *area) 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 */ @@ -1722,7 +1941,8 @@ int target_arch_state(struct target *target) return ERROR_OK; } - LOG_USER("target state: %s", target_state_name(target)); + LOG_USER("%s: target state: %s", target_name(target), + target_state_name(target)); if (target->state != TARGET_HALTED) return ERROR_OK; @@ -1747,14 +1967,63 @@ static int target_gdb_fileio_end_default(struct target *target, 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 */ int target_write_buffer(struct target *target, uint32_t address, uint32_t size, const uint8_t *buffer) { - LOG_DEBUG("writing buffer of %i byte at 0x%8.8x", - (int)size, (unsigned)address); + LOG_DEBUG("writing buffer of %" PRIi32 " byte at 0x%8.8" PRIx32, + size, address); if (!target_was_examined(target)) { LOG_ERROR("Target not examined yet"); @@ -1765,67 +2034,47 @@ int target_write_buffer(struct target *target, uint32_t address, uint32_t size, return ERROR_OK; if ((address + size - 1) < address) { - /* GDB can request this when e.g. PC is 0xfffffffc*/ - LOG_ERROR("address + size wrapped(0x%08x, 0x%08x)", - (unsigned)address, - (unsigned)size); + /* GDB can request this when e.g. PC is 0xfffffffc */ + LOG_ERROR("address + size wrapped (0x%08" PRIx32 ", 0x%08" PRIx32 ")", + address, + size); return ERROR_FAIL; } 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; - } - - /* handle aligned words */ - if (size >= 4) { - int aligned = size - (size % 4); + uint32_t size; - /* 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 @@ -1834,8 +2083,8 @@ static int target_write_buffer_default(struct target *target, uint32_t address, */ int target_read_buffer(struct target *target, uint32_t address, uint32_t size, uint8_t *buffer) { - LOG_DEBUG("reading buffer of %i byte at 0x%8.8x", - (int)size, (unsigned)address); + LOG_DEBUG("reading buffer of %" PRIi32 " byte at 0x%8.8" PRIx32, + size, address); if (!target_was_examined(target)) { LOG_ERROR("Target not examined yet"); @@ -1846,8 +2095,8 @@ int target_read_buffer(struct target *target, uint32_t address, uint32_t size, u return ERROR_OK; if ((address + size - 1) < address) { - /* GDB can request this when e.g. PC is 0xfffffffc*/ - LOG_ERROR("address + size wrapped(0x%08" PRIx32 ", 0x%08" PRIx32 ")", + /* GDB can request this when e.g. PC is 0xfffffffc */ + LOG_ERROR("address + size wrapped (0x%08" PRIx32 ", 0x%08" PRIx32 ")", address, size); return ERROR_FAIL; @@ -1856,58 +2105,34 @@ int target_read_buffer(struct target *target, uint32_t address, uint32_t size, u 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; + /* 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; @@ -1928,7 +2153,7 @@ int target_checksum_memory(struct target *target, uint32_t address, uint32_t siz if (retval != ERROR_OK) { buffer = malloc(size); if (buffer == NULL) { - LOG_ERROR("error allocating buffer for section (%d bytes)", (int)size); + LOG_ERROR("error allocating buffer for section (%" PRId32 " bytes)", size); return ERROR_COMMAND_SYNTAX_ERROR; } retval = target_read_buffer(target, address, size, buffer); @@ -1964,7 +2189,31 @@ int target_blank_check_memory(struct target *target, uint32_t address, uint32_t if (target->type->blank_check_memory == 0) return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - retval = target->type->blank_check_memory(target, address, size, blank); + retval = target->type->blank_check_memory(target, address, size, blank); + + 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; } @@ -2005,7 +2254,7 @@ int target_read_u16(struct target *target, uint32_t address, uint16_t *value) if (retval == ERROR_OK) { *value = target_buffer_get_u16(target, value_buf); - LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4x", + LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%4.4" PRIx16, address, *value); } else { @@ -2019,14 +2268,15 @@ int target_read_u16(struct target *target, uint32_t address, uint16_t *value) 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", + LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2" PRIx8, address, *value); } else { @@ -2038,6 +2288,27 @@ int target_read_u8(struct target *target, uint32_t address, uint8_t *value) 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; @@ -2068,7 +2339,7 @@ int target_write_u16(struct target *target, uint32_t address, uint16_t value) return ERROR_FAIL; } - LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8x", + LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%8.8" PRIx16, address, value); @@ -2088,7 +2359,7 @@ int target_write_u8(struct target *target, uint32_t address, uint8_t value) return ERROR_FAIL; } - LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2x", + LOG_DEBUG("address: 0x%8.8" PRIx32 ", value: 0x%2.2" PRIx8, address, value); retval = target_write_memory(target, address, 1, 1, &value); @@ -2184,9 +2455,9 @@ static int sense_handler(void) if (powerRestored) runPowerRestore = 1; - long long current = timeval_ms(); - static long long lastPower; - int waitMore = lastPower + 2000 > current; + int64_t current = timeval_ms(); + static int64_t lastPower; + bool waitMore = lastPower + 2000 > current; if (powerDropout && !waitMore) { runPowerDropout = 1; lastPower = current; @@ -2199,7 +2470,7 @@ static int sense_handler(void) int srstDeasserted; srstDeasserted = prevSrstAsserted && !srstAsserted; - static long long lastSrst; + static int64_t lastSrst; waitMore = lastSrst + 2000 > current; if (srstDeasserted && !waitMore) { runSrstDeasserted = 1; @@ -2283,6 +2554,10 @@ static int handle_target(void *priv) 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; @@ -2303,19 +2578,27 @@ static int handle_target(void *priv) target->backoff.times *= 2; target->backoff.times++; } - LOG_USER("Polling target %s failed, GDB will be halted. Polling again in %dms", - target_name(target), - target->backoff.times * polling_interval); /* Tell GDB to halt the debugger. This allows the user to * run monitor commands to handle the situation. */ target_call_event_callbacks(target, TARGET_EVENT_GDB_HALT); - return retval; } + if (target->backoff.times > 0) { + LOG_USER("Polling target %s failed, 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; + LOG_USER("Examination failed, GDB will be halted. Polling again in %dms", + target->backoff.times * polling_interval); + return retval; + } + } + /* Since we succeeded, we reset backoff count */ - if (target->backoff.times > 0) - LOG_USER("Polling target %s succeeded again", target_name(target)); target->backoff.times = 0; } } @@ -2497,8 +2780,8 @@ COMMAND_HANDLER(handle_wait_halt_command) int target_wait_state(struct target *target, enum target_state state, int ms) { int retval; - long long then = 0, cur; - int once = 1; + int64_t then = 0, cur; + bool once = true; for (;;) { retval = target_poll(target); @@ -2508,7 +2791,7 @@ int target_wait_state(struct target *target, enum target_state state, int ms) break; cur = timeval_ms(); if (once) { - once = 0; + once = false; then = timeval_ms(); LOG_DEBUG("waiting for target %s...", Jim_Nvp_value2name_simple(nvp_target_state, state)->name); @@ -2732,12 +3015,6 @@ COMMAND_HANDLER(handle_md_command) 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, @@ -2802,7 +3079,7 @@ COMMAND_HANDLER(handle_mw_command) 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; @@ -2953,7 +3230,7 @@ COMMAND_HANDLER(handle_load_image_command) COMMAND_HANDLER(handle_dump_image_command) { - struct fileio fileio; + struct fileio *fileio; uint8_t *buffer; int retval, retvaltemp; uint32_t address, size; @@ -2986,7 +3263,7 @@ COMMAND_HANDLER(handle_dump_image_command) if (retval != ERROR_OK) break; - retval = fileio_write(&fileio, this_run_size, buffer, &size_written); + retval = fileio_write(fileio, this_run_size, buffer, &size_written); if (retval != ERROR_OK) break; @@ -2997,16 +3274,16 @@ COMMAND_HANDLER(handle_dump_image_command) free(buffer); if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) { - int filesize; - retval = fileio_size(&fileio, &filesize); + size_t filesize; + retval = fileio_size(fileio, &filesize); if (retval != ERROR_OK) return retval; command_print(CMD_CTX, - "dumped %ld bytes in %fs (%0.3f KiB/s)", (long)filesize, + "dumped %zu bytes in %fs (%0.3f KiB/s)", filesize, duration_elapsed(&bench), duration_kbps(&bench, filesize)); } - retvaltemp = fileio_close(&fileio); + retvaltemp = fileio_close(fileio); if (retvaltemp != ERROR_OK) return retvaltemp; @@ -3092,7 +3369,7 @@ static COMMAND_HELPER(handle_verify_image_command_internal, int verify) 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; @@ -3198,9 +3475,10 @@ static int handle_bp_command_set(struct command_context *cmd_ctx, 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 { @@ -3208,7 +3486,11 @@ static int handle_bp_command_set(struct command_context *cmd_ctx, 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 { @@ -3216,7 +3498,11 @@ static int handle_bp_command_set(struct command_context *cmd_ctx, 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 { @@ -3399,14 +3685,12 @@ static void writeData(FILE *f, const void *data, size_t len) 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) @@ -3414,59 +3698,79 @@ 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); @@ -3474,9 +3778,9 @@ static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filenam /*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) @@ -3485,7 +3789,7 @@ static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filenam data[i * 2 + 1] = (val >> 8) & 0xff; } free(buckets); - writeData(f, data, length * 2); + writeData(f, data, numBuckets * 2); free(data); } else free(buckets); @@ -3498,84 +3802,70 @@ static void writeGmon(uint32_t *samples, uint32_t sampleNum, const char *filenam 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; } @@ -3632,6 +3922,8 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, uint32_t count; uint32_t v; const char *varname; + const char *phys; + bool is_phys; int n, e, retval; uint32_t i; @@ -3640,8 +3932,8 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, * argv[3] = memory address * argv[4] = count of times to read */ - if (argc != 4) { - Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems"); + if (argc < 4 || argc > 5) { + Jim_WrongNumArgs(interp, 1, argv, "varname width addr nelems [phys]"); return JIM_ERR; } varname = Jim_GetString(argv[0], &len); @@ -3660,6 +3952,14 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, len = l; if (e != JIM_OK) return e; + is_phys = false; + if (argc > 4) { + phys = Jim_GetString(argv[4], &n); + if (!strncmp(phys, "phys", n)) + is_phys = true; + else + return JIM_ERR; + } switch (width) { case 8: width = 1; @@ -3702,7 +4002,7 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, sprintf(buf, "mem2array address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads", addr, width); - Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL); + Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL); return JIM_ERR; } @@ -3725,13 +4025,16 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, if (count > (buffersize / width)) count = (buffersize / width); - retval = target_read_memory(target, addr, width, count, buffer); + if (is_phys) + retval = target_read_phys_memory(target, addr, width, count, buffer); + else + retval = target_read_memory(target, addr, width, count, buffer); if (retval != ERROR_OK) { /* BOO !*/ - LOG_ERROR("mem2array: Read @ 0x%08x, w=%d, cnt=%d, failed", - (unsigned int)addr, - (int)width, - (int)count); + LOG_ERROR("mem2array: Read @ 0x%08" PRIx32 ", w=%" PRId32 ", cnt=%" PRId32 ", failed", + addr, + width, + count); Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); Jim_AppendStrings(interp, Jim_GetResult(interp), "mem2array: cannot read memory", NULL); e = JIM_ERR; @@ -3753,6 +4056,7 @@ static int target_mem2array(Jim_Interp *interp, struct target *target, int argc, new_int_array_element(interp, varname, n, v); } len -= count; + addr += count * width; } } @@ -3820,6 +4124,8 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, uint32_t count; uint32_t v; const char *varname; + const char *phys; + bool is_phys; int n, e, retval; uint32_t i; @@ -3828,8 +4134,8 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, * argv[3] = memory address * argv[4] = count to write */ - if (argc != 4) { - Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems"); + if (argc < 4 || argc > 5) { + Jim_WrongNumArgs(interp, 0, argv, "varname width addr nelems [phys]"); return JIM_ERR; } varname = Jim_GetString(argv[0], &len); @@ -3848,6 +4154,14 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, len = l; if (e != JIM_OK) return e; + is_phys = false; + if (argc > 4) { + phys = Jim_GetString(argv[4], &n); + if (!strncmp(phys, "phys", n)) + is_phys = true; + else + return JIM_ERR; + } switch (width) { case 8: width = 1; @@ -3891,10 +4205,10 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, } else { char buf[100]; Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); - sprintf(buf, "array2mem address: 0x%08x is not aligned for %d byte reads", - (unsigned int)addr, - (int)width); - Jim_AppendStrings(interp, Jim_GetResult(interp), buf , NULL); + sprintf(buf, "array2mem address: 0x%08" PRIx32 " is not aligned for %" PRId32 " byte reads", + addr, + width); + Jim_AppendStrings(interp, Jim_GetResult(interp), buf, NULL); return JIM_ERR; } @@ -3934,18 +4248,22 @@ static int target_array2mem(Jim_Interp *interp, struct target *target, } len -= count; - retval = target_write_memory(target, addr, width, count, buffer); + if (is_phys) + retval = target_write_phys_memory(target, addr, width, count, buffer); + else + retval = target_write_memory(target, addr, width, count, buffer); if (retval != ERROR_OK) { /* BOO !*/ - LOG_ERROR("array2mem: Write @ 0x%08x, w=%d, cnt=%d, failed", - (unsigned int)addr, - (int)width, - (int)count); + LOG_ERROR("array2mem: Write @ 0x%08" PRIx32 ", w=%" PRId32 ", cnt=%" PRId32 ", failed", + addr, + width, + count); Jim_SetResult(interp, Jim_NewEmptyStringObj(interp)); Jim_AppendStrings(interp, Jim_GetResult(interp), "array2mem: cannot read memory", NULL); e = JIM_ERR; break; } + addr += count * width; } free(buffer); @@ -4001,7 +4319,6 @@ enum target_cfg_param { TCFG_WORK_AREA_SIZE, TCFG_WORK_AREA_BACKUP, TCFG_ENDIAN, - TCFG_VARIANT, TCFG_COREID, TCFG_CHAIN_POSITION, TCFG_DBGBASE, @@ -4016,7 +4333,6 @@ static Jim_Nvp nvp_config_opts[] = { { .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 }, @@ -4029,7 +4345,6 @@ static int target_configure(Jim_GetOptInfo *goi, struct target *target) Jim_Nvp *n; Jim_Obj *o; jim_wide w; - char *cp; int e; /* parse config or cget options ... */ @@ -4238,28 +4553,6 @@ no_params: /* 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); @@ -4358,7 +4651,7 @@ static int jim_target_mw(Jim_Interp *interp, int argc, Jim_Obj *const *argv) } target_write_fn fn; - fn = target_write_memory_fast; + fn = target_write_memory; int e; if (strcmp(Jim_GetString(argv[1], NULL), "phys") == 0) { @@ -4662,10 +4955,7 @@ static int jim_target_reset(Jim_Interp *interp, int argc, Jim_Obj *const *argv) struct target *target = Jim_CmdPrivData(goi.interp); if (!target->tap->enabled) return jim_target_tap_disabled(interp); - if (!(target_was_examined(target))) { - LOG_ERROR("Target not examined yet"); - return ERROR_TARGET_NOT_EXAMINED; - } + if (!target->type->assert_reset || !target->type->deassert_reset) { Jim_SetResultFormatted(interp, "No target-specific reset for %s", @@ -4928,7 +5218,6 @@ static int target_create(Jim_GetOptInfo *goi) Jim_Obj *new_cmd; Jim_Cmd *cmd; const char *cp; - char *cp2; int e; int x; struct target *target; @@ -4953,10 +5242,18 @@ static int target_create(Jim_GetOptInfo *goi) } /* TYPE */ - e = Jim_GetOpt_String(goi, &cp2, NULL); + e = Jim_GetOpt_String(goi, &cp, NULL); 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)) { @@ -4995,9 +5292,10 @@ static int target_create(Jim_GetOptInfo *goi) 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)); @@ -5062,10 +5360,6 @@ static int target_create(Jim_GetOptInfo *goi) 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); @@ -5225,55 +5519,6 @@ static int jim_target_create(Jim_Interp *interp, int argc, Jim_Obj *const *argv) 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 "); - 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, ""); - 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", @@ -5308,21 +5553,6 @@ static const struct command_registration target_subcommand_handlers[] = { .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, @@ -5383,7 +5613,7 @@ COMMAND_HANDLER(handle_fast_load_image_command) 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); @@ -5425,7 +5655,7 @@ COMMAND_HANDLER(handle_fast_load_image_command) 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; @@ -5469,7 +5699,7 @@ COMMAND_HANDLER(handle_fast_load_command) return ERROR_FAIL; } int i; - int ms = timeval_ms(); + int64_t ms = timeval_ms(); int size = 0; int retval = ERROR_OK; for (i = 0; i < fastload_num; i++) { @@ -5483,7 +5713,7 @@ COMMAND_HANDLER(handle_fast_load_command) size += fastload[i].length; } if (retval == ERROR_OK) { - int after = timeval_ms(); + int64_t after = timeval_ms(); command_print(CMD_CTX, "Loaded image %f kBytes/s", (float)(size/1024.0)/((float)(after-ms)/1000.0)); } return retval; @@ -5548,6 +5778,198 @@ COMMAND_HANDLER(handle_ps_command) } } +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", @@ -5570,7 +5992,7 @@ static const struct command_registration target_exec_command_handlers[] = { .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 */ @@ -5585,9 +6007,9 @@ static const struct command_registration target_exec_command_handlers[] = { .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", @@ -5767,6 +6189,13 @@ static const struct command_registration target_exec_command_handlers[] = { .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 };