X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Ftarget.c;h=729a31bf59b057a41d403c3a2cb365af55a4657f;hp=5c2164f7a19d5903c9416f4086ca7a0f86052ffd;hb=db456e209feaecae53094051f3710fef73418a71;hpb=d376f7f51831ca8816bb4aca00076b0668462775 diff --git a/src/target/target.c b/src/target/target.c index 5c2164f7a1..729a31bf59 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -54,6 +54,7 @@ #include "image.h" #include "rtos/rtos.h" #include "transport/transport.h" +#include "arm_cti.h" /* default halt wait timeout (ms) */ #define DEFAULT_HALT_TIMEOUT 5000 @@ -105,6 +106,7 @@ 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; +extern struct target_type stm8_target; static struct target_type *target_types[] = { &arm7tdmi_target, @@ -136,6 +138,7 @@ static struct target_type *target_types[] = { &or1k_target, &quark_x10xx_target, &quark_d20xx_target, + &stm8_target, #if BUILD_TARGET64 &aarch64_target, #endif @@ -202,10 +205,6 @@ static const Jim_Nvp nvp_target_event[] = { { .value = TARGET_EVENT_RESET_ASSERT_POST, .name = "reset-assert-post" }, { .value = TARGET_EVENT_RESET_DEASSERT_PRE, .name = "reset-deassert-pre" }, { .value = TARGET_EVENT_RESET_DEASSERT_POST, .name = "reset-deassert-post" }, - { .value = TARGET_EVENT_RESET_HALT_PRE, .name = "reset-halt-pre" }, - { .value = TARGET_EVENT_RESET_HALT_POST, .name = "reset-halt-post" }, - { .value = TARGET_EVENT_RESET_WAIT_PRE, .name = "reset-wait-pre" }, - { .value = TARGET_EVENT_RESET_WAIT_POST, .name = "reset-wait-post" }, { .value = TARGET_EVENT_RESET_INIT, .name = "reset-init" }, { .value = TARGET_EVENT_RESET_END, .name = "reset-end" }, @@ -512,7 +511,9 @@ struct target *get_target_by_num(int num) struct target *get_current_target(struct command_context *cmd_ctx) { - struct target *target = get_target_by_num(cmd_ctx->current_target); + struct target *target = cmd_ctx->current_target_override + ? cmd_ctx->current_target_override + : cmd_ctx->current_target; if (target == NULL) { LOG_ERROR("BUG: current_target out of bounds"); @@ -810,8 +811,7 @@ done: } /** - * Downloads a target-specific native code algorithm to the target, - * executes and leaves it running. + * Executes a target-specific native code algorithm and leaves it running. * * @param target used to run the algorithm * @param arch_info target-specific description of the algorithm. @@ -884,12 +884,45 @@ done: } /** - * Executes a target-specific native code algorithm in the target. - * It differs from target_run_algorithm in that the algorithm is asynchronous. - * Because of this it requires an compliant algorithm: - * see contrib/loaders/flash/stm32f1x.S for example. + * Streams data to a circular buffer on target intended for consumption by code + * running asynchronously on target. + * + * This is intended for applications where target-specific native code runs + * on the target, receives data from the circular buffer, does something with + * it (most likely writing it to a flash memory), and advances the circular + * buffer pointer. + * + * This assumes that the helper algorithm has already been loaded to the target, + * but has not been started yet. Given memory and register parameters are passed + * to the algorithm. + * + * The buffer is defined by (buffer_start, buffer_size) arguments and has the + * following format: + * + * [buffer_start + 0, buffer_start + 4): + * Write Pointer address (aka head). Written and updated by this + * routine when new data is written to the circular buffer. + * [buffer_start + 4, buffer_start + 8): + * Read Pointer address (aka tail). Updated by code running on the + * target after it consumes data. + * [buffer_start + 8, buffer_start + buffer_size): + * Circular buffer contents. + * + * See contrib/loaders/flash/stm32f1x.S for an example. * * @param target used to run the algorithm + * @param buffer address on the host where data to be sent is located + * @param count number of blocks to send + * @param block_size size in bytes of each block + * @param num_mem_params count of memory-based params to pass to algorithm + * @param mem_params memory-based params to pass to algorithm + * @param num_reg_params count of register-based params to pass to algorithm + * @param reg_params memory-based params to pass to algorithm + * @param buffer_start address on the target of the circular buffer structure + * @param buffer_size size of the circular buffer structure + * @param entry_point address on the target to execute to start the algorithm + * @param exit_point address at which to set a breakpoint to catch the + * end of the algorithm; can be 0 if target triggers a breakpoint itself */ int target_run_flash_async_algorithm(struct target *target, @@ -1098,7 +1131,7 @@ int target_add_breakpoint(struct target *target, struct breakpoint *breakpoint) { if ((target->state != TARGET_HALTED) && (breakpoint->type != BKPT_HARD)) { - LOG_WARNING("target %s is not halted", target_name(target)); + LOG_WARNING("target %s is not halted (add breakpoint)", target_name(target)); return ERROR_TARGET_NOT_HALTED; } return target->type->add_breakpoint(target, breakpoint); @@ -1108,7 +1141,7 @@ int target_add_context_breakpoint(struct target *target, struct breakpoint *breakpoint) { if (target->state != TARGET_HALTED) { - LOG_WARNING("target %s is not halted", target_name(target)); + LOG_WARNING("target %s is not halted (add context breakpoint)", target_name(target)); return ERROR_TARGET_NOT_HALTED; } return target->type->add_context_breakpoint(target, breakpoint); @@ -1118,7 +1151,7 @@ int target_add_hybrid_breakpoint(struct target *target, struct breakpoint *breakpoint) { if (target->state != TARGET_HALTED) { - LOG_WARNING("target %s is not halted", target_name(target)); + LOG_WARNING("target %s is not halted (add hybrid breakpoint)", target_name(target)); return ERROR_TARGET_NOT_HALTED; } return target->type->add_hybrid_breakpoint(target, breakpoint); @@ -1134,7 +1167,7 @@ int target_add_watchpoint(struct target *target, struct watchpoint *watchpoint) { if (target->state != TARGET_HALTED) { - LOG_WARNING("target %s is not halted", target_name(target)); + LOG_WARNING("target %s is not halted (add watchpoint)", target_name(target)); return ERROR_TARGET_NOT_HALTED; } return target->type->add_watchpoint(target, watchpoint); @@ -1148,7 +1181,7 @@ 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); + LOG_WARNING("target %s is not halted (hit watchpoint)", target->cmd_name); return ERROR_TARGET_NOT_HALTED; } @@ -1177,7 +1210,7 @@ int target_step(struct target *target, 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); + LOG_WARNING("target %s is not halted (gdb fileio)", target->cmd_name); return ERROR_TARGET_NOT_HALTED; } return target->type->get_gdb_fileio_info(target, fileio_info); @@ -1186,7 +1219,7 @@ int target_get_gdb_fileio_info(struct target *target, struct gdb_fileio_info *fi 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); + LOG_WARNING("target %s is not halted (gdb fileio end)", target->cmd_name); return ERROR_TARGET_NOT_HALTED; } return target->type->gdb_fileio_end(target, retcode, fileio_errno, ctrl_c); @@ -1196,7 +1229,7 @@ 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); + LOG_WARNING("target %s is not halted (profiling)", target->cmd_name); return ERROR_TARGET_NOT_HALTED; } return target->type->profiling(target, samples, max_num_samples, @@ -1399,7 +1432,6 @@ int target_register_trace_callback(int (*callback)(struct target *target, 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; - struct timeval now; if (callback == NULL) return ERROR_COMMAND_SYNTAX_ERROR; @@ -1416,14 +1448,8 @@ int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int (*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; - time_ms -= (time_ms % 1000); - (*callbacks_p)->when.tv_sec = now.tv_sec + (time_ms / 1000); - if ((*callbacks_p)->when.tv_usec > 1000000) { - (*callbacks_p)->when.tv_usec = (*callbacks_p)->when.tv_usec - 1000000; - (*callbacks_p)->when.tv_sec += 1; - } + gettimeofday(&(*callbacks_p)->when, NULL); + timeval_add_time(&(*callbacks_p)->when, 0, time_ms * 1000); (*callbacks_p)->priv = priv; (*callbacks_p)->next = NULL; @@ -1558,14 +1584,8 @@ int target_call_trace_callbacks(struct target *target, size_t len, uint8_t *data static int target_timer_callback_periodic_restart( struct target_timer_callback *cb, struct timeval *now) { - int time_ms = cb->time_ms; - cb->when.tv_usec = now->tv_usec + (time_ms % 1000) * 1000; - time_ms -= (time_ms % 1000); - cb->when.tv_sec = now->tv_sec + time_ms / 1000; - if (cb->when.tv_usec > 1000000) { - cb->when.tv_usec = cb->when.tv_usec - 1000000; - cb->when.tv_sec += 1; - } + cb->when = *now; + timeval_add_time(&cb->when, 0, cb->time_ms * 1000L); return ERROR_OK; } @@ -1609,9 +1629,7 @@ static int target_call_timer_callbacks_check_time(int checktime) 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)); + timeval_compare(&now, &(*callback)->when) >= 0); if (call_it) target_call_timer_callback(*callback, &now); @@ -1870,6 +1888,47 @@ int target_free_working_area(struct target *target, struct working_area *area) return target_free_working_area_restore(target, area, 1); } +static void target_destroy(struct target *target) +{ + if (target->type->deinit_target) + target->type->deinit_target(target); + + jtag_unregister_event_callback(jtag_enable_callback, target); + + struct target_event_action *teap = target->event_action; + while (teap) { + struct target_event_action *next = teap->next; + Jim_DecrRefCount(teap->interp, teap->body); + free(teap); + teap = next; + } + + target_free_all_working_areas(target); + /* Now we have none or only one working area marked as free */ + if (target->working_areas) { + free(target->working_areas->backup); + free(target->working_areas); + } + + /* release the targets SMP list */ + if (target->smp) { + struct target_list *head = target->head; + while (head != NULL) { + struct target_list *pos = head->next; + head->target->smp = 0; + free(head); + head = pos; + } + target->smp = 0; + } + + free(target->type); + free(target->trace_info); + free(target->fileio_info); + free(target->cmd_name); + free(target); +} + void target_quit(void) { struct target_event_callback *pe = target_event_callbacks; @@ -1888,11 +1947,15 @@ void target_quit(void) } target_timer_callbacks = NULL; - for (struct target *target = all_targets; - target; target = target->next) { - if (target->type->deinit_target) - target->type->deinit_target(target); + for (struct target *target = all_targets; target;) { + struct target *tmp; + + tmp = target->next; + target_destroy(target); + target = tmp; } + + all_targets = NULL; } /* free resources and restore memory, if restoring memory fails, @@ -2015,8 +2078,7 @@ static int target_profiling_default(struct target *target, uint32_t *samples, break; gettimeofday(&now, NULL); - if ((sample_count >= max_num_samples) || - ((now.tv_sec >= timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))) { + if ((sample_count >= max_num_samples) || timeval_compare(&now, &timeout) >= 0) { LOG_INFO("Profiling completed. %" PRIu32 " samples.", sample_count); break; } @@ -2476,7 +2538,10 @@ static int find_target(struct command_context *cmd_ctx, const char *name) return ERROR_FAIL; } - cmd_ctx->current_target = target->target_number; + cmd_ctx->current_target = target; + if (cmd_ctx->current_target_override) + cmd_ctx->current_target_override = target; + return ERROR_OK; } @@ -2504,7 +2569,7 @@ COMMAND_HANDLER(handle_targets_command) else state = "tap-disabled"; - if (CMD_CTX->current_target == target->target_number) + if (CMD_CTX->current_target == target) marker = '*'; /* keep columns lined up to match the headers above */ @@ -2908,6 +2973,9 @@ COMMAND_HANDLER(handle_halt_command) LOG_DEBUG("-"); struct target *target = get_current_target(CMD_CTX); + + target->verbose_halt_msg = true; + int retval = target_halt(target); if (ERROR_OK != retval) return retval; @@ -3009,16 +3077,16 @@ static void handle_md_output(struct command_context *cmd_ctx, const char *value_fmt; switch (size) { case 8: - value_fmt = "%16.16llx "; + value_fmt = "%16.16"PRIx64" "; break; case 4: - value_fmt = "%8.8x "; + value_fmt = "%8.8"PRIx64" "; break; case 2: - value_fmt = "%4.4x "; + value_fmt = "%4.4"PRIx64" "; break; case 1: - value_fmt = "%2.2x "; + value_fmt = "%2.2"PRIx64" "; break; default: /* "can't happen", caller checked */ @@ -3103,6 +3171,10 @@ COMMAND_HANDLER(handle_md_command) COMMAND_PARSE_NUMBER(uint, CMD_ARGV[1], count); uint8_t *buffer = calloc(count, size); + if (buffer == NULL) { + LOG_ERROR("Failed to allocate md read buffer"); + return ERROR_FAIL; + } struct target *target = get_current_target(CMD_CTX); int retval = fn(target, address, size, count, buffer); @@ -3669,7 +3741,7 @@ COMMAND_HANDLER(handle_bp_command) addr = 0; return handle_bp_command_set(CMD_CTX, addr, asid, length, hw); } - + /* fallthrough */ case 4: hw = BKPT_HARD; COMMAND_PARSE_ADDRESS(CMD_ARGV[0], addr); @@ -3825,7 +3897,7 @@ typedef unsigned char UNIT[2]; /* unit of profiling */ /* Dump a gmon.out histogram file. */ 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 start_address, uint32_t end_address, struct target *target, uint32_t duration_ms) { uint32_t i; FILE *f = fopen(filename, "w"); @@ -3893,7 +3965,8 @@ static void write_gmon(uint32_t *samples, uint32_t sampleNum, const char *filena 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. */ + float sample_rate = sampleNum / (duration_ms / 1000.0); + writeLong(f, sample_rate, target); writeString(f, "seconds"); for (i = 0; i < (15-strlen("seconds")); i++) writeData(f, &zero, 1); @@ -3942,6 +4015,7 @@ COMMAND_HANDLER(handle_profile_command) return ERROR_FAIL; } + uint64_t timestart_ms = timeval_ms(); /** * Some cores let us sample the PC without the * annoying halt/resume step; for example, ARMv7 PCSR. @@ -3953,6 +4027,7 @@ COMMAND_HANDLER(handle_profile_command) free(samples); return retval; } + uint32_t duration_ms = timeval_ms() - timestart_ms; assert(num_of_samples <= MAX_PROFILE_SAMPLE_NUM); @@ -3985,7 +4060,7 @@ COMMAND_HANDLER(handle_profile_command) } write_gmon(samples, num_of_samples, CMD_ARGV[1], - with_range, start_address, end_address, target); + with_range, start_address, end_address, target, duration_ms); command_print(CMD_CTX, "Wrote %s", CMD_ARGV[1]); free(samples); @@ -4405,17 +4480,28 @@ void target_handle_event(struct target *target, enum target_event e) for (teap = target->event_action; teap != NULL; teap = teap->next) { if (teap->event == e) { - LOG_DEBUG("target: (%d) %s (%s) event: %d (%s) action: %s", + LOG_DEBUG("target(%d): %s (%s) event: %d (%s) action: %s", target->target_number, target_name(target), target_type_name(target), e, Jim_Nvp_value2name_simple(nvp_target_event, e)->name, Jim_GetString(teap->body, NULL)); + + /* Override current target by the target an event + * is issued from (lot of scripts need it). + * Return back to previous override as soon + * as the handler processing is done */ + struct command_context *cmd_ctx = current_command_context(teap->interp); + struct target *saved_target_override = cmd_ctx->current_target_override; + cmd_ctx->current_target_override = target; + if (Jim_EvalObj(teap->interp, teap->body) != JIM_OK) { Jim_MakeErrorMessage(teap->interp); command_print(NULL, "%s\n", Jim_GetString(Jim_GetResult(teap->interp), NULL)); } + + cmd_ctx->current_target_override = saved_target_override; } } } @@ -4696,6 +4782,13 @@ no_params: if (goi->isconfigure) { Jim_Obj *o_t; struct jtag_tap *tap; + + if (target->has_dap) { + Jim_SetResultString(goi->interp, + "target requires -dap parameter instead of -chain-position!", -1); + return JIM_ERR; + } + target_free_all_working_areas(target); e = Jim_GetOpt_Obj(goi, &o_t); if (e != JIM_OK) @@ -4703,8 +4796,8 @@ no_params: tap = jtag_tap_by_jim_obj(goi->interp, o_t); if (tap == NULL) return JIM_ERR; - /* make this exactly 1 or 0 */ target->tap = tap; + target->tap_configured = true; } else { if (goi->argc != 0) goto no_params; @@ -4726,7 +4819,6 @@ no_params: Jim_SetResult(goi->interp, Jim_NewIntObj(goi->interp, target->dbgbase)); /* loop for more */ break; - case TCFG_RTOS: /* RTOS */ { @@ -5478,7 +5570,7 @@ 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; + cmd_ctx->current_target = target; /* allocate memory for each unique target type */ target->type = calloc(1, sizeof(struct target_type)); @@ -5504,7 +5596,7 @@ static int target_create(Jim_GetOptInfo *goi) target->next = NULL; target->arch_info = NULL; - target->display = 1; + target->verbose_halt_msg = true; target->halt_issued = false; @@ -5523,9 +5615,21 @@ static int target_create(Jim_GetOptInfo *goi) goi->isconfigure = 1; e = target_configure(goi, target); - if (target->tap == NULL) { - Jim_SetResultString(goi->interp, "-chain-position required when creating target", -1); - e = JIM_ERR; + if (e == JIM_OK) { + if (target->has_dap) { + if (!target->dap_configured) { + Jim_SetResultString(goi->interp, "-dap ?name? required when creating target", -1); + e = JIM_ERR; + } + } else { + if (!target->tap_configured) { + Jim_SetResultString(goi->interp, "-chain-position ?name? required when creating target", -1); + e = JIM_ERR; + } + } + /* tap must be set after target was configured */ + if (target->tap == NULL) + e = JIM_ERR; } if (e != JIM_OK) { @@ -5542,14 +5646,23 @@ static int target_create(Jim_GetOptInfo *goi) cp = Jim_GetString(new_cmd, NULL); target->cmd_name = strdup(cp); + if (target->type->target_create) { + e = (*(target->type->target_create))(target, goi->interp); + if (e != ERROR_OK) { + LOG_DEBUG("target_create failed"); + free(target->type); + free(target->cmd_name); + free(target); + return JIM_ERR; + } + } + /* create the target specific commands */ if (target->type->commands) { e = register_commands(cmd_ctx, NULL, target->type->commands); if (ERROR_OK != e) LOG_ERROR("unable to register '%s' commands", cp); } - if (target->type->target_create) - (*(target->type->target_create))(target, goi->interp); /* append to end of list */ {