X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Ftarget.c;h=114832783b4427960d450df0089ae6507f53b320;hb=da2bbc90fc8b1a44fe466e6f168882b65381df3e;hp=2eeb2bfc5cd6418fcba028ea05ff1ae9fa08b92a;hpb=4b97f3cbb9603c13f69f8d3b5371c12045593126;p=openocd.git diff --git a/src/target/target.c b/src/target/target.c index 2eeb2bfc5c..114832783b 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -23,6 +23,7 @@ #include "replacements.h" #include "target.h" +#include "target_request.h" #include "log.h" #include "configuration.h" @@ -68,6 +69,7 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); @@ -251,11 +253,28 @@ int target_process_reset(struct command_context_s *cmd_ctx) { int retval = ERROR_OK; target_t *target; + struct timeval timeout, now; /* prepare reset_halt where necessary */ target = targets; while (target) { + if (jtag_reset_config & RESET_SRST_PULLS_TRST) + { + switch (target->reset_mode) + { + case RESET_HALT: + command_print(cmd_ctx, "nSRST pulls nTRST, falling back to RESET_RUN_AND_HALT"); + target->reset_mode = RESET_RUN_AND_HALT; + break; + case RESET_INIT: + command_print(cmd_ctx, "nSRST pulls nTRST, falling back to RESET_RUN_AND_INIT"); + target->reset_mode = RESET_RUN_AND_INIT; + break; + default: + break; + } + } switch (target->reset_mode) { case RESET_HALT: @@ -314,6 +333,42 @@ int target_process_reset(struct command_context_s *cmd_ctx) target = target->next; } jtag_execute_queue(); + + /* Wait for reset to complete, maximum 5 seconds. */ + gettimeofday(&timeout, NULL); + timeval_add_time(&timeout, 5, 0); + for(;;) + { + gettimeofday(&now, NULL); + + target_call_timer_callbacks(); + + target = targets; + while (target) + { + target->type->poll(target); + if ((target->reset_mode == RESET_RUN_AND_INIT) || (target->reset_mode == RESET_RUN_AND_HALT)) + { + if (target->state != TARGET_HALTED) + { + if ((now.tv_sec > timeout.tv_sec) || ((now.tv_sec == timeout.tv_sec) && (now.tv_usec >= timeout.tv_usec))) + { + command_print(cmd_ctx, "Timed out waiting for reset"); + goto done; + } + usleep(100*1000); /* Do not eat all cpu */ + goto again; + } + } + target = target->next; + } + /* All targets we're waiting for are halted */ + break; + + again:; + } + done: + return retval; } @@ -338,6 +393,11 @@ int target_init(struct command_context_s *cmd_ctx) target_register_timer_callback(handle_target, 100, 1, NULL); } + return ERROR_OK; +} + +int target_init_reset(struct command_context_s *cmd_ctx) +{ if (startup_mode == DAEMON_RESET) target_process_reset(cmd_ctx); @@ -653,6 +713,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff { if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK) return retval; + return ERROR_OK; } /* handle unaligned head bytes */ @@ -711,6 +772,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe { if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK) return retval; + return ERROR_OK; } /* handle unaligned head bytes */ @@ -749,6 +811,41 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe return ERROR_OK; } +int target_checksum_memory(struct target_s *target, u32 address, u32 size, u32* crc) +{ + u8 *buffer; + int retval; + int i; + u32 checksum = 0; + + if ((retval = target->type->checksum_memory(target, address, + size, &checksum)) == ERROR_TARGET_RESOURCE_NOT_AVAILABLE) + { + buffer = malloc(size); + if (buffer == NULL) + { + ERROR("error allocating buffer for section (%d bytes)", size); + return ERROR_OK; + } + target_read_buffer(target, address, size, buffer); + + /* convert to target endianess */ + for (i = 0; i < (size/sizeof(u32)); i++) + { + u32 target_data; + target_data = target_buffer_get_u32(target, &buffer[i*sizeof(u32)]); + target_buffer_set_u32(target, &buffer[i*sizeof(u32)], target_data); + } + + retval = image_calculate_checksum( buffer, size, &checksum ); + free(buffer); + } + + *crc = checksum; + + return retval; +} + int target_read_u32(struct target_s *target, u32 address, u32 *value) { u8 value_buf[4]; @@ -859,7 +956,7 @@ int target_register_user_commands(struct command_context_s *cmd_ctx) register_command(cmd_ctx, NULL, "wait_halt", handle_wait_halt_command, COMMAND_EXEC, "wait for target halt [time (s)]"); register_command(cmd_ctx, NULL, "halt", handle_halt_command, COMMAND_EXEC, "halt target"); register_command(cmd_ctx, NULL, "resume", handle_resume_command, COMMAND_EXEC, "resume target [addr]"); - register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction"); + register_command(cmd_ctx, NULL, "step", handle_step_command, COMMAND_EXEC, "step one instruction from current PC or [addr]"); register_command(cmd_ctx, NULL, "reset", handle_reset_command, COMMAND_EXEC, "reset target [run|halt|init|run_and_halt|run_and_init]"); register_command(cmd_ctx, NULL, "soft_reset_halt", handle_soft_reset_halt_command, COMMAND_EXEC, "halt the target and do a soft reset"); @@ -876,11 +973,15 @@ int target_register_user_commands(struct command_context_s *cmd_ctx) register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint
[value] [mask]"); register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint "); - register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image
['bin'|'ihex'|'elf']"); + register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image
['bin'|'ihex'|'elf'|'s19']"); register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image
"); + register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image [offset] [type]"); register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary
"); register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary
"); + target_request_register_commands(cmd_ctx); + trace_register_commands(cmd_ctx); + return ERROR_OK; } @@ -985,6 +1086,7 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a (*last_target_p)->reset_script = NULL; (*last_target_p)->post_halt_script = NULL; (*last_target_p)->pre_resume_script = NULL; + (*last_target_p)->gdb_program_script = NULL; (*last_target_p)->working_area = 0x0; (*last_target_p)->working_area_size = 0x0; @@ -998,6 +1100,19 @@ int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **a (*last_target_p)->next = NULL; (*last_target_p)->arch_info = NULL; + /* initialize trace information */ + (*last_target_p)->trace_info = malloc(sizeof(trace_t)); + (*last_target_p)->trace_info->num_trace_points = 0; + (*last_target_p)->trace_info->trace_points_size = 0; + (*last_target_p)->trace_info->trace_points = NULL; + (*last_target_p)->trace_info->trace_history_size = 0; + (*last_target_p)->trace_info->trace_history = NULL; + (*last_target_p)->trace_info->trace_history_pos = 0; + (*last_target_p)->trace_info->trace_history_overflowed = 0; + + (*last_target_p)->dbgmsg = NULL; + (*last_target_p)->dbg_msg_enabled = 0; + (*last_target_p)->type->target_command(cmd_ctx, cmd, args, argc, *last_target_p); found = 1; @@ -1053,6 +1168,12 @@ int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, c free(target->pre_resume_script); target->pre_resume_script = strdup(args[2]); } + else if (strcmp(args[1], "gdb_program_config") == 0) + { + if (target->gdb_program_script) + free(target->gdb_program_script); + target->gdb_program_script = strdup(args[2]); + } else { ERROR("unknown event type: '%s", args[1]); @@ -1138,8 +1259,7 @@ int handle_target(void *priv) if (target_continous_poll) if ((retval = target->type->poll(target)) < 0) { - ERROR("couldn't poll target, exiting"); - exit(-1); + ERROR("couldn't poll target. It's due for a reset."); } } @@ -1296,6 +1416,10 @@ int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **arg { target_continous_poll = 0; } + else + { + command_print(cmd_ctx, "arg is \"on\" or \"off\""); + } } @@ -1361,10 +1485,10 @@ int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **arg break; case ERROR_TARGET_TIMEOUT: command_print(cmd_ctx, "target timed out... shutting down"); - exit(-1); + return retval; default: command_print(cmd_ctx, "unknown error... shutting down"); - exit(-1); + return retval; } } @@ -1420,7 +1544,8 @@ int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { target_t *target = get_current_target(cmd_ctx); - enum target_reset_mode reset_mode = RESET_RUN; + enum target_reset_mode reset_mode = target->reset_mode; + enum target_reset_mode save = target->reset_mode; DEBUG("-"); @@ -1453,11 +1578,17 @@ int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **ar command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]"); return ERROR_OK; } - target->reset_mode = reset_mode; } + /* temporarily modify mode of current reset target */ + target->reset_mode = reset_mode; + + /* reset *all* targets */ target_process_reset(cmd_ctx); + /* Restore default reset mode for this target */ + target->reset_mode = save; + return ERROR_OK; } @@ -1511,9 +1642,11 @@ int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **arg int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { + const int line_bytecnt = 32; int count = 1; int size = 4; u32 address = 0; + int line_modulo; int i; char output[128]; @@ -1536,20 +1669,21 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, switch (cmd[2]) { case 'w': - size = 4; + size = 4; line_modulo = line_bytecnt / 4; break; case 'h': - size = 2; + size = 2; line_modulo = line_bytecnt / 2; break; case 'b': - size = 1; + size = 1; line_modulo = line_bytecnt / 1; break; default: return ERROR_OK; } buffer = calloc(count, size); - if ((retval = target->type->read_memory(target, address, size, count, buffer)) != ERROR_OK) + retval = target->type->read_memory(target, address, size, count, buffer); + if (retval != ERROR_OK) { switch (retval) { @@ -1573,7 +1707,7 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, for (i = 0; i < count; i++) { - if (i%8 == 0) + if (i%line_modulo == 0) output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size)); switch (size) @@ -1589,7 +1723,7 @@ int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, break; } - if ((i%8 == 7) || (i == count - 1)) + if ((i%line_modulo == line_modulo-1) || (i == count - 1)) { command_print(cmd_ctx, output); output_len = 0; @@ -1701,6 +1835,11 @@ int handle_load_image_command(struct command_context_s *cmd_ctx, char *cmd, char for (i = 0; i < image.num_sections; i++) { buffer = malloc(image.sections[i].size); + if (buffer==NULL) + { + command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size); + break; + } if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK) { ERROR("image_read_section failed with error code: %i", retval); @@ -1733,6 +1872,7 @@ int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char u32 address; u32 size; u8 buffer[560]; + int retval; duration_t duration; char *duration_text; @@ -1767,7 +1907,13 @@ int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char u32 size_written; u32 this_run_size = (size > 560) ? 560 : size; - target->type->read_memory(target, address, 4, this_run_size / 4, buffer); + retval = target->type->read_memory(target, address, 4, this_run_size / 4, buffer); + if (retval != ERROR_OK) + { + command_print(cmd_ctx, "Reading memory failed %d", retval); + break; + } + fileio_write(&fileio, this_run_size, buffer, &size_written); size -= this_run_size; @@ -1781,7 +1927,138 @@ int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char free(duration_text); return ERROR_OK; +} + +int handle_verify_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + u8 *buffer; + u32 buf_cnt; + u32 image_size; + int i; + int retval; + u32 checksum = 0; + u32 mem_checksum = 0; + + image_t image; + + duration_t duration; + char *duration_text; + + target_t *target = get_current_target(cmd_ctx); + + if (argc < 1) + { + command_print(cmd_ctx, "usage: verify_image [offset] [type]"); + return ERROR_OK; + } + + if (!target) + { + ERROR("no target selected"); + return ERROR_OK; + } + + duration_start_measure(&duration); + + if (argc >= 2) + { + image.base_address_set = 1; + image.base_address = strtoul(args[1], NULL, 0); + } + else + { + image.base_address_set = 0; + image.base_address = 0x0; + } + image.start_address_set = 0; + + if (image_open(&image, args[0], (argc == 3) ? args[2] : NULL) != ERROR_OK) + { + command_print(cmd_ctx, "verify_image error: %s", image.error_str); + return ERROR_OK; + } + + image_size = 0x0; + for (i = 0; i < image.num_sections; i++) + { + buffer = malloc(image.sections[i].size); + if (buffer == NULL) + { + command_print(cmd_ctx, "error allocating buffer for section (%d bytes)", image.sections[i].size); + break; + } + if ((retval = image_read_section(&image, i, 0x0, image.sections[i].size, buffer, &buf_cnt)) != ERROR_OK) + { + ERROR("image_read_section failed with error code: %i", retval); + command_print(cmd_ctx, "image reading failed, verify aborted"); + free(buffer); + image_close(&image); + return ERROR_OK; + } + + /* calculate checksum of image */ + image_calculate_checksum( buffer, buf_cnt, &checksum ); + + retval = target_checksum_memory(target, image.sections[i].base_address, buf_cnt, &mem_checksum); + + if( retval != ERROR_OK ) + { + command_print(cmd_ctx, "image verify failed, verify aborted"); + free(buffer); + image_close(&image); + return ERROR_OK; + } + + if( checksum != mem_checksum ) + { + /* failed crc checksum, fall back to a binary compare */ + u8 *data; + + command_print(cmd_ctx, "image verify checksum failed - attempting binary compare"); + + data = (u8*)malloc(buf_cnt); + + /* Can we use 32bit word accesses? */ + int size = 1; + int count = buf_cnt; + if ((count % 4) == 0) + { + size *= 4; + count /= 4; + } + retval = target->type->read_memory(target, image.sections[i].base_address, size, count, data); + + if (retval == ERROR_OK) + { + int t; + for (t = 0; t < buf_cnt; t++) + { + if (data[t] != buffer[t]) + { + command_print(cmd_ctx, "Verify operation failed address 0x%08x. Was 0x%02x instead of 0x%02x\n", t + image.sections[i].base_address, data[t], buffer[t]); + free(data); + free(buffer); + image_close(&image); + return ERROR_OK; + } + } + } + + free(data); + } + + free(buffer); + image_size += buf_cnt; + } + + duration_stop_measure(&duration, &duration_text); + command_print(cmd_ctx, "verified %u bytes in %s", image_size, duration_text); + free(duration_text); + + image_close(&image); + + return ERROR_OK; } int handle_bp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) @@ -1860,6 +2137,7 @@ int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { target_t *target = get_current_target(cmd_ctx); + int retval; if (argc == 0) { @@ -1903,7 +2181,23 @@ int handle_wp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, { data_mask = strtoul(args[4], NULL, 0); } - watchpoint_add(target, strtoul(args[0], NULL, 0), strtoul(args[1], NULL, 0), type, data_value, data_mask); + + if ((retval = watchpoint_add(target, strtoul(args[0], NULL, 0), + strtoul(args[1], NULL, 0), type, data_value, data_mask)) != ERROR_OK) + { + switch (retval) + { + case ERROR_TARGET_NOT_HALTED: + command_print(cmd_ctx, "target must be halted to set watchpoints"); + break; + case ERROR_TARGET_RESOURCE_NOT_AVAILABLE: + command_print(cmd_ctx, "no more watchpoints available"); + break; + default: + command_print(cmd_ctx, "unknown error, watchpoint not set"); + break; + } + } } else { @@ -1922,4 +2216,3 @@ int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args return ERROR_OK; } -