diff options
Diffstat (limited to 'src/target/target.c')
| -rw-r--r-- | src/target/target.c | 4664 |
1 files changed, 2332 insertions, 2332 deletions
diff --git a/src/target/target.c b/src/target/target.c index 27df12fc..a9f7c103 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -1,2332 +1,2332 @@ -/*************************************************************************** - * Copyright (C) 2005 by Dominic Rath * - * Dominic.Rath@gmx.de * - * * - * This program is free software; you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * - * * - * This program is distributed in the hope that it will be useful, * - * but WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * - * 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., * - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * - ***************************************************************************/ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include "replacements.h" -#include "target.h" -#include "target_request.h" - -#include "log.h" -#include "configuration.h" -#include "binarybuffer.h" -#include "jtag.h" - -#include <string.h> -#include <stdlib.h> -#include <inttypes.h> - -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <errno.h> - -#include <sys/time.h> -#include <time.h> - -#include <time_support.h> - -#include <fileio.h> -#include <image.h> - -int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv); - - -int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); - -int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -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); -int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc); - -/* targets - */ -extern target_type_t arm7tdmi_target; -extern target_type_t arm720t_target; -extern target_type_t arm9tdmi_target; -extern target_type_t arm920t_target; -extern target_type_t arm966e_target; -extern target_type_t arm926ejs_target; -extern target_type_t feroceon_target; -extern target_type_t xscale_target; -extern target_type_t cortexm3_target; - -target_type_t *target_types[] = -{ - &arm7tdmi_target, - &arm9tdmi_target, - &arm920t_target, - &arm720t_target, - &arm966e_target, - &arm926ejs_target, - &feroceon_target, - &xscale_target, - &cortexm3_target, - NULL, -}; - -target_t *targets = NULL; -target_event_callback_t *target_event_callbacks = NULL; -target_timer_callback_t *target_timer_callbacks = NULL; - -char *target_state_strings[] = -{ - "unknown", - "running", - "halted", - "reset", - "debug_running", -}; - -char *target_debug_reason_strings[] = -{ - "debug request", "breakpoint", "watchpoint", - "watchpoint and breakpoint", "single step", - "target not halted" -}; - -char *target_endianess_strings[] = -{ - "big endian", - "little endian", -}; - -enum daemon_startup_mode startup_mode = DAEMON_ATTACH; - -static int target_continous_poll = 1; - -/* read a u32 from a buffer in target memory endianness */ -u32 target_buffer_get_u32(target_t *target, u8 *buffer) -{ - if (target->endianness == TARGET_LITTLE_ENDIAN) - return le_to_h_u32(buffer); - else - return be_to_h_u32(buffer); -} - -/* read a u16 from a buffer in target memory endianness */ -u16 target_buffer_get_u16(target_t *target, u8 *buffer) -{ - if (target->endianness == TARGET_LITTLE_ENDIAN) - return le_to_h_u16(buffer); - else - return be_to_h_u16(buffer); -} - -/* write a u32 to a buffer in target memory endianness */ -void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value) -{ - if (target->endianness == TARGET_LITTLE_ENDIAN) - h_u32_to_le(buffer, value); - else - h_u32_to_be(buffer, value); -} - -/* write a u16 to a buffer in target memory endianness */ -void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value) -{ - if (target->endianness == TARGET_LITTLE_ENDIAN) - h_u16_to_le(buffer, value); - else - h_u16_to_be(buffer, value); -} - -/* returns a pointer to the n-th configured target */ -target_t* get_target_by_num(int num) -{ - target_t *target = targets; - int i = 0; - - while (target) - { - if (num == i) - return target; - target = target->next; - i++; - } - - return NULL; -} - -int get_num_by_target(target_t *query_target) -{ - target_t *target = targets; - int i = 0; - - while (target) - { - if (target == query_target) - return i; - target = target->next; - i++; - } - - return -1; -} - -target_t* get_current_target(command_context_t *cmd_ctx) -{ - target_t *target = get_target_by_num(cmd_ctx->current_target); - - if (target == NULL) - { - ERROR("BUG: current_target out of bounds"); - exit(-1); - } - - return target; -} - -/* Process target initialization, when target entered debug out of reset - * the handler is unregistered at the end of this function, so it's only called once - */ -int target_init_handler(struct target_s *target, enum target_event event, void *priv) -{ - FILE *script; - struct command_context_s *cmd_ctx = priv; - - if ((event == TARGET_EVENT_HALTED) && (target->reset_script)) - { - target_unregister_event_callback(target_init_handler, priv); - - script = open_file_from_path(cmd_ctx, target->reset_script, "r"); - if (!script) - { - ERROR("couldn't open script file %s", target->reset_script); - return ERROR_OK; - } - - INFO("executing reset script '%s'", target->reset_script); - command_run_file(cmd_ctx, script, COMMAND_EXEC); - fclose(script); - - jtag_execute_queue(); - } - - return ERROR_OK; -} - -int target_run_and_halt_handler(void *priv) -{ - target_t *target = priv; - - target->type->halt(target); - - return ERROR_OK; -} - -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: - case RESET_INIT: - target->type->prepare_reset_halt(target); - break; - default: - break; - } - target = target->next; - } - - target = targets; - while (target) - { - target->type->assert_reset(target); - target = target->next; - } - jtag_execute_queue(); - - /* request target halt if necessary, and schedule further action */ - target = targets; - while (target) - { - switch (target->reset_mode) - { - case RESET_RUN: - /* nothing to do if target just wants to be run */ - break; - case RESET_RUN_AND_HALT: - /* schedule halt */ - target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target); - break; - case RESET_RUN_AND_INIT: - /* schedule halt */ - target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target); - target_register_event_callback(target_init_handler, cmd_ctx); - break; - case RESET_HALT: - target->type->halt(target); - break; - case RESET_INIT: - target->type->halt(target); - target_register_event_callback(target_init_handler, cmd_ctx); - break; - default: - ERROR("BUG: unknown target->reset_mode"); - } - target = target->next; - } - - target = targets; - while (target) - { - target->type->deassert_reset(target); - 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: - - - /* We want any events to be processed before the prompt */ - target_call_timer_callbacks(); - - return retval; -} - -static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical) -{ - *physical = virtual; - return ERROR_OK; -} - -static int default_mmu(struct target_s *target, int *enabled) -{ - *enabled = 0; - return ERROR_OK; -} - -int target_init(struct command_context_s *cmd_ctx) -{ - target_t *target = targets; - - while (target) - { - if (target->type->init_target(cmd_ctx, target) != ERROR_OK) - { - ERROR("target '%s' init failed", target->type->name); - exit(-1); - } - - /* Set up default functions if none are provided by target */ - if (target->type->virt2phys == NULL) - { - target->type->virt2phys = default_virt2phys; - } - if (target->type->mmu == NULL) - { - target->type->mmu = default_mmu; - } - target = target->next; - } - - if (targets) - { - target_register_user_commands(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); - - return ERROR_OK; -} - -int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv) -{ - target_event_callback_t **callbacks_p = &target_event_callbacks; - - if (callback == NULL) - { - return ERROR_INVALID_ARGUMENTS; - } - - if (*callbacks_p) - { - while ((*callbacks_p)->next) - callbacks_p = &((*callbacks_p)->next); - callbacks_p = &((*callbacks_p)->next); - } - - (*callbacks_p) = malloc(sizeof(target_event_callback_t)); - (*callbacks_p)->callback = callback; - (*callbacks_p)->priv = priv; - (*callbacks_p)->next = NULL; - - return ERROR_OK; -} - -int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv) -{ - target_timer_callback_t **callbacks_p = &target_timer_callbacks; - struct timeval now; - - if (callback == NULL) - { - return ERROR_INVALID_ARGUMENTS; - } - - if (*callbacks_p) - { - while ((*callbacks_p)->next) - callbacks_p = &((*callbacks_p)->next); - callbacks_p = &((*callbacks_p)->next); - } - - (*callbacks_p) = malloc(sizeof(target_timer_callback_t)); - (*callbacks_p)->callback = callback; - (*callbacks_p)->periodic = periodic; - (*callbacks_p)->time_ms = time_ms; - - 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; - } - - (*callbacks_p)->priv = priv; - (*callbacks_p)->next = NULL; - - return ERROR_OK; -} - -int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv) -{ - target_event_callback_t **p = &target_event_callbacks; - target_event_callback_t *c = target_event_callbacks; - - if (callback == NULL) - { - return ERROR_INVALID_ARGUMENTS; - } - - while (c) - { - target_event_callback_t *next = c->next; - if ((c->callback == callback) && (c->priv == priv)) - { - *p = next; - free(c); - return ERROR_OK; - } - else - p = &(c->next); - c = next; - } - - return ERROR_OK; -} - -int target_unregister_timer_callback(int (*callback)(void *priv), void *priv) -{ - target_timer_callback_t **p = &target_timer_callbacks; - target_timer_callback_t *c = target_timer_callbacks; - - if (callback == NULL) - { - return ERROR_INVALID_ARGUMENTS; - } - - while (c) - { - target_timer_callback_t *next = c->next; - if ((c->callback == callback) && (c->priv == priv)) - { - *p = next; - free(c); - return ERROR_OK; - } - else - p = &(c->next); - c = next; - } - - return ERROR_OK; -} - -int target_call_event_callbacks(target_t *target, enum target_event event) -{ - target_event_callback_t *callback = target_event_callbacks; - target_event_callback_t *next_callback; - - DEBUG("target event %i", event); - - while (callback) - { - next_callback = callback->next; - callback->callback(target, event, callback->priv); - callback = next_callback; - } - - return ERROR_OK; -} - -int target_call_timer_callbacks() -{ - target_timer_callback_t *callback = target_timer_callbacks; - target_timer_callback_t *next_callback; - struct timeval now; - - gettimeofday(&now, NULL); - - while (callback) - { - next_callback = callback->next; - - if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec)) - || (now.tv_sec > callback->when.tv_sec)) - { - callback->callback(callback->priv); - if (callback->periodic) - { - int time_ms = callback->time_ms; - callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000; - time_ms -= (time_ms % 1000); - callback->when.tv_sec = now.tv_sec + time_ms / 1000; - if (callback->when.tv_usec > 1000000) - { - callback->when.tv_usec = callback->when.tv_usec - 1000000; - callback->when.tv_sec += 1; - } - } - else - target_unregister_timer_callback(callback->callback, callback->priv); - } - - callback = next_callback; - } - - return ERROR_OK; -} - -int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area) -{ - working_area_t *c = target->working_areas; - working_area_t *new_wa = NULL; - - /* Reevaluate working area address based on MMU state*/ - if (target->working_areas == NULL) - { - int retval; - int enabled; - retval = target->type->mmu(target, &enabled); - if (retval != ERROR_OK) - { - return retval; - } - if (enabled) - { - target->working_area = target->working_area_virt; - } - else - { - target->working_area = target->working_area_phys; - } - } - - /* only allocate multiples of 4 byte */ - if (size % 4) - { - ERROR("BUG: code tried to allocate unaligned number of bytes, padding"); - size = CEIL(size, 4); - } - - /* see if there's already a matching working area */ - while (c) - { - if ((c->free) && (c->size == size)) - { - new_wa = c; - break; - } - c = c->next; - } - - /* if not, allocate a new one */ - if (!new_wa) - { - working_area_t **p = &target->working_areas; - u32 first_free = target->working_area; - u32 free_size = target->working_area_size; - - DEBUG("allocating new working area"); - - c = target->working_areas; - while (c) - { - first_free += c->size; - free_size -= c->size; - p = &c->next; - c = c->next; - } - - if (free_size < size) - { - WARNING("not enough working area available(requested %d, free %d)", size, free_size); - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - new_wa = malloc(sizeof(working_area_t)); - new_wa->next = NULL; - new_wa->size = size; - new_wa->address = first_free; - - if (target->backup_working_area) - { - new_wa->backup = malloc(new_wa->size); - target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup); - } - else - { - new_wa->backup = NULL; - } - - /* put new entry in list */ - *p = new_wa; - } - - /* mark as used, and return the new (reused) area */ - new_wa->free = 0; - *area = new_wa; - - /* user pointer */ - new_wa->user = area; - - return ERROR_OK; -} - -int target_free_working_area(struct target_s *target, working_area_t *area) -{ - if (area->free) - return ERROR_OK; - - if (target->backup_working_area) - target->type->write_memory(target, area->address, 4, area->size / 4, area->backup); - - area->free = 1; - - /* mark user pointer invalid */ - *area->user = NULL; - area->user = NULL; - - return ERROR_OK; -} - -int target_free_all_working_areas(struct target_s *target) -{ - working_area_t *c = target->working_areas; - - while (c) - { - working_area_t *next = c->next; - target_free_working_area(target, c); - - if (c->backup) - free(c->backup); - - free(c); - - c = next; - } - - target->working_areas = NULL; - - return ERROR_OK; -} - -int target_register_commands(struct command_context_s *cmd_ctx) -{ - register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL); - register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL); - register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]"); - register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>"); - - return ERROR_OK; -} - -int target_arch_state(struct target_s *target) -{ - int retval; - if (target==NULL) - { - USER("No target has been configured"); - return ERROR_OK; - } - - USER("target state: %s", target_state_strings[target->state]); - - if (target->state!=TARGET_HALTED) - return ERROR_OK; - - retval=target->type->arch_state(target); - 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_s *target, u32 address, u32 size, u8 *buffer) -{ - int retval; - - DEBUG("writing buffer of %i byte at 0x%8.8x", size, address); - - if (((address % 2) == 0) && (size == 2)) - { - return target->type->write_memory(target, address, 2, 1, buffer); - } - - /* handle unaligned head bytes */ - if (address % 4) - { - int unaligned = 4 - (address % 4); - - if (unaligned > size) - unaligned = size; - - if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK) - return retval; - - buffer += unaligned; - address += unaligned; - size -= unaligned; - } - - /* handle aligned words */ - if (size >= 4) - { - int aligned = size - (size % 4); - - /* use bulk writes above a certain limit. This may have to be changed */ - if (aligned > 128) - { - if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK) - return retval; - } - else - { - if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK) - return retval; - } - - buffer += aligned; - address += aligned; - size -= aligned; - } - - /* handle tail writes of less than 4 bytes */ - if (size > 0) - { - if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK) - return retval; - } - - return ERROR_OK; -} - - -/* Single aligned words are guaranteed to use 16 or 32 bit access - * mode respectively, otherwise data is handled as quickly as - * possible - */ -int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer) -{ - int retval; - - DEBUG("reading buffer of %i byte at 0x%8.8x", size, address); - - if (((address % 2) == 0) && (size == 2)) - { - return target->type->read_memory(target, address, 2, 1, buffer); - } - - /* handle unaligned head bytes */ - if (address % 4) - { - int unaligned = 4 - (address % 4); - - if (unaligned > size) - unaligned = size; - - if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK) - return retval; - - buffer += unaligned; - address += unaligned; - size -= unaligned; - } - - /* handle aligned words */ - if (size >= 4) - { - int aligned = size - (size % 4); - - if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK) - return retval; - - buffer += aligned; - address += aligned; - size -= aligned; - } - - /* handle tail writes of less than 4 bytes */ - if (size > 0) - { - if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK) - return retval; - } - - 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_INVALID_ARGUMENTS; - } - retval = target_read_buffer(target, address, size, buffer); - if (retval != ERROR_OK) - { - free(buffer); - return retval; - } - - /* 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]; - - int retval = target->type->read_memory(target, address, 4, 1, value_buf); - - if (retval == ERROR_OK) - { - *value = target_buffer_get_u32(target, value_buf); - DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value); - } - else - { - *value = 0x0; - DEBUG("address: 0x%8.8x failed", address); - } - - return retval; -} - -int target_read_u16(struct target_s *target, u32 address, u16 *value) -{ - u8 value_buf[2]; - - int retval = target->type->read_memory(target, address, 2, 1, value_buf); - - if (retval == ERROR_OK) - { - *value = target_buffer_get_u16(target, value_buf); - DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value); - } - else - { - *value = 0x0; - DEBUG("address: 0x%8.8x failed", address); - } - - return retval; -} - -int target_read_u8(struct target_s *target, u32 address, u8 *value) -{ - int retval = target->type->read_memory(target, address, 1, 1, value); - - if (retval == ERROR_OK) - { - DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value); - } - else - { - *value = 0x0; - DEBUG("address: 0x%8.8x failed", address); - } - - return retval; -} - -int target_write_u32(struct target_s *target, u32 address, u32 value) -{ - int retval; - u8 value_buf[4]; - - DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value); - - target_buffer_set_u32(target, value_buf, value); - if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK) - { - DEBUG("failed: %i", retval); - } - - return retval; -} - -int target_write_u16(struct target_s *target, u32 address, u16 value) -{ - int retval; - u8 value_buf[2]; - - DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value); - - target_buffer_set_u16(target, value_buf, value); - if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK) - { - DEBUG("failed: %i", retval); - } - - return retval; -} - -int target_write_u8(struct target_s *target, u32 address, u8 value) -{ - int retval; - - DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value); - - if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK) - { - DEBUG("failed: %i", retval); - } - - return retval; -} - -int target_register_user_commands(struct command_context_s *cmd_ctx) -{ - register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL); - register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state"); - 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 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"); - - register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]"); - register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]"); - register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]"); - - register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>"); - register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>"); - register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>"); - - register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]"); - register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>"); - register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]"); - register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>"); - - register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']"); - register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>"); - register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]"); - register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>"); - register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>"); - - target_request_register_commands(cmd_ctx); - trace_register_commands(cmd_ctx); - - return ERROR_OK; -} - -int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = targets; - int count = 0; - - if (argc == 1) - { - int num = strtoul(args[0], NULL, 0); - - while (target) - { - count++; - target = target->next; - } - - if (num < count) - cmd_ctx->current_target = num; - else - command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count); - - return ERROR_OK; - } - - while (target) - { - command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]); - target = target->next; - } - - return ERROR_OK; -} - -int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - int i; - int found = 0; - - if (argc < 3) - { - ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>"); - exit(-1); - } - - /* search for the specified target */ - if (args[0] && (args[0][0] != 0)) - { - for (i = 0; target_types[i]; i++) - { - if (strcmp(args[0], target_types[i]->name) == 0) - { - target_t **last_target_p = &targets; - - /* register target specific commands */ - if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK) - { - ERROR("couldn't register '%s' commands", args[0]); - exit(-1); - } - - if (*last_target_p) - { - while ((*last_target_p)->next) - last_target_p = &((*last_target_p)->next); - last_target_p = &((*last_target_p)->next); - } - - *last_target_p = malloc(sizeof(target_t)); - - (*last_target_p)->type = target_types[i]; - - if (strcmp(args[1], "big") == 0) - (*last_target_p)->endianness = TARGET_BIG_ENDIAN; - else if (strcmp(args[1], "little") == 0) - (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN; - else - { - ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]); - exit(-1); - } - - /* what to do on a target reset */ - if (strcmp(args[2], "reset_halt") == 0) - (*last_target_p)->reset_mode = RESET_HALT; - else if (strcmp(args[2], "reset_run") == 0) - (*last_target_p)->reset_mode = RESET_RUN; - else if (strcmp(args[2], "reset_init") == 0) - (*last_target_p)->reset_mode = RESET_INIT; - else if (strcmp(args[2], "run_and_halt") == 0) - (*last_target_p)->reset_mode = RESET_RUN_AND_HALT; - else if (strcmp(args[2], "run_and_init") == 0) - (*last_target_p)->reset_mode = RESET_RUN_AND_INIT; - else - { - ERROR("unknown target startup mode %s", args[2]); - exit(-1); - } - (*last_target_p)->run_and_halt_time = 1000; /* default 1s */ - - (*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; - (*last_target_p)->working_areas = NULL; - (*last_target_p)->backup_working_area = 0; - - (*last_target_p)->state = TARGET_UNKNOWN; - (*last_target_p)->reg_cache = NULL; - (*last_target_p)->breakpoints = NULL; - (*last_target_p)->watchpoints = NULL; - (*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; - break; - } - } - } - - /* no matching target found */ - if (!found) - { - ERROR("target '%s' not found", args[0]); - exit(-1); - } - - return ERROR_OK; -} - -/* usage: target_script <target#> <event> <script_file> */ -int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = NULL; - - if (argc < 3) - { - ERROR("incomplete target_script command"); - exit(-1); - } - - target = get_target_by_num(strtoul(args[0], NULL, 0)); - - if (!target) - { - ERROR("target number '%s' not defined", args[0]); - exit(-1); - } - - if (strcmp(args[1], "reset") == 0) - { - if (target->reset_script) - free(target->reset_script); - target->reset_script = strdup(args[2]); - } - else if (strcmp(args[1], "post_halt") == 0) - { - if (target->post_halt_script) - free(target->post_halt_script); - target->post_halt_script = strdup(args[2]); - } - else if (strcmp(args[1], "pre_resume") == 0) - { - if (target->pre_resume_script) - 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]); - exit(-1); - } - - return ERROR_OK; -} - -int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = NULL; - - if (argc < 2) - { - ERROR("incomplete run_and_halt_time command"); - exit(-1); - } - - target = get_target_by_num(strtoul(args[0], NULL, 0)); - - if (!target) - { - ERROR("target number '%s' not defined", args[0]); - exit(-1); - } - - target->run_and_halt_time = strtoul(args[1], NULL, 0); - - return ERROR_OK; -} - -int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = NULL; - - if ((argc < 4) || (argc > 5)) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - target = get_target_by_num(strtoul(args[0], NULL, 0)); - - if (!target) - { - ERROR("target number '%s' not defined", args[0]); - exit(-1); - } - target_free_all_working_areas(target); - - target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0); - if (argc == 5) - { - target->working_area_virt = strtoul(args[4], NULL, 0); - } - target->working_area_size = strtoul(args[2], NULL, 0); - - if (strcmp(args[3], "backup") == 0) - { - target->backup_working_area = 1; - } - else if (strcmp(args[3], "nobackup") == 0) - { - target->backup_working_area = 0; - } - else - { - ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]); - return ERROR_COMMAND_SYNTAX_ERROR; - } - - return ERROR_OK; -} - - -/* process target state changes */ -int handle_target(void *priv) -{ - int retval; - target_t *target = targets; - - while (target) - { - /* only poll if target isn't already halted */ - if (target->state != TARGET_HALTED) - { - if (target_continous_poll) - if ((retval = target->type->poll(target)) != ERROR_OK) - { - ERROR("couldn't poll target(%d). It's due for a reset.", retval); - } - } - - target = target->next; - } - - return ERROR_OK; -} - -int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target; - reg_t *reg = NULL; - int count = 0; - char *value; - - DEBUG("-"); - - target = get_current_target(cmd_ctx); - - /* list all available registers for the current target */ - if (argc == 0) - { - reg_cache_t *cache = target->reg_cache; - - count = 0; - while(cache) - { - int i; - for (i = 0; i < cache->num_regs; i++) - { - value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16); - command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid); - free(value); - } - cache = cache->next; - } - - return ERROR_OK; - } - - /* access a single register by its ordinal number */ - if ((args[0][0] >= '0') && (args[0][0] <= '9')) - { - int num = strtoul(args[0], NULL, 0); - reg_cache_t *cache = target->reg_cache; - - count = 0; - while(cache) - { - int i; - for (i = 0; i < cache->num_regs; i++) - { - if (count++ == num) - { - reg = &cache->reg_list[i]; - break; - } - } - if (reg) - break; - cache = cache->next; - } - - if (!reg) - { - command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1); - return ERROR_OK; - } - } else /* access a single register by its name */ - { - reg = register_get_by_name(target->reg_cache, args[0], 1); - - if (!reg) - { - command_print(cmd_ctx, "register %s not found in current target", args[0]); - return ERROR_OK; - } - } - - /* display a register */ - if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9')))) - { - if ((argc == 2) && (strcmp(args[1], "force") == 0)) - reg->valid = 0; - - if (reg->valid == 0) - { - reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type); - if (arch_type == NULL) - { - ERROR("BUG: encountered unregistered arch type"); - return ERROR_OK; - } - arch_type->get(reg); - } - value = buf_to_str(reg->value, reg->size, 16); - command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value); - free(value); - return ERROR_OK; - } - - /* set register value */ - if (argc == 2) - { - u8 *buf = malloc(CEIL(reg->size, 8)); - str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0); - - reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type); - if (arch_type == NULL) - { - ERROR("BUG: encountered unregistered arch type"); - return ERROR_OK; - } - - arch_type->set(reg, buf); - - value = buf_to_str(reg->value, reg->size, 16); - command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value); - free(value); - - free(buf); - - return ERROR_OK; - } - - command_print(cmd_ctx, "usage: reg <#|name> [value]"); - - return ERROR_OK; -} - -static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms); - -int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - - if (argc == 0) - { - target->type->poll(target); - target_arch_state(target); - } - else - { - if (strcmp(args[0], "on") == 0) - { - target_continous_poll = 1; - } - else if (strcmp(args[0], "off") == 0) - { - target_continous_poll = 0; - } - else - { - command_print(cmd_ctx, "arg is \"on\" or \"off\""); - } - } - - - return ERROR_OK; -} - -int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - int ms = 5000; - - if (argc > 0) - { - char *end; - - ms = strtoul(args[0], &end, 0) * 1000; - if (*end) - { - command_print(cmd_ctx, "usage: %s [seconds]", cmd); - return ERROR_OK; - } - } - - return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms); -} - -static void target_process_events(struct command_context_s *cmd_ctx) -{ - target_t *target = get_current_target(cmd_ctx); - target->type->poll(target); - target_call_timer_callbacks(); -} - -static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms) -{ - int retval; - struct timeval timeout, now; - - gettimeofday(&timeout, NULL); - timeval_add_time(&timeout, 0, ms * 1000); - - target_t *target = get_current_target(cmd_ctx); - for (;;) - { - if ((retval=target->type->poll(target))!=ERROR_OK) - return retval; - target_call_timer_callbacks(); - if (target->state == state) - { - break; - } - command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]); - - gettimeofday(&now, NULL); - 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 while waiting for target %s", target_state_strings[state]); - ERROR("timed out while waiting for target %s", target_state_strings[state]); - break; - } - } - - return ERROR_OK; -} - -int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - int retval; - target_t *target = get_current_target(cmd_ctx); - - DEBUG("-"); - - command_print(cmd_ctx, "requesting target halt..."); - - if ((retval = target->type->halt(target)) != ERROR_OK) - { - switch (retval) - { - case ERROR_TARGET_ALREADY_HALTED: - command_print(cmd_ctx, "target already halted"); - break; - case ERROR_TARGET_TIMEOUT: - command_print(cmd_ctx, "target timed out... shutting down"); - return retval; - default: - command_print(cmd_ctx, "unknown error... shutting down"); - return retval; - } - } - - return handle_wait_halt_command(cmd_ctx, cmd, args, argc); -} - -/* what to do on daemon startup */ -int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc == 1) - { - if (strcmp(args[0], "attach") == 0) - { - startup_mode = DAEMON_ATTACH; - return ERROR_OK; - } - else if (strcmp(args[0], "reset") == 0) - { - startup_mode = DAEMON_RESET; - return ERROR_OK; - } - } - - WARNING("invalid daemon_startup configuration directive: %s", args[0]); - return ERROR_OK; - -} - -int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - int retval; - - command_print(cmd_ctx, "requesting target halt and executing a soft reset"); - - if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK) - { - switch (retval) - { - case ERROR_TARGET_TIMEOUT: - command_print(cmd_ctx, "target timed out... shutting down"); - exit(-1); - default: - command_print(cmd_ctx, "unknown error... shutting down"); - exit(-1); - } - } - - return ERROR_OK; -} - -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 = target->reset_mode; - enum target_reset_mode save = target->reset_mode; - - DEBUG("-"); - - if (argc >= 1) - { - if (strcmp("run", args[0]) == 0) - reset_mode = RESET_RUN; - else if (strcmp("halt", args[0]) == 0) - reset_mode = RESET_HALT; - else if (strcmp("init", args[0]) == 0) - reset_mode = RESET_INIT; - else if (strcmp("run_and_halt", args[0]) == 0) - { - reset_mode = RESET_RUN_AND_HALT; - if (argc >= 2) - { - target->run_and_halt_time = strtoul(args[1], NULL, 0); - } - } - else if (strcmp("run_and_init", args[0]) == 0) - { - reset_mode = RESET_RUN_AND_INIT; - if (argc >= 2) - { - target->run_and_halt_time = strtoul(args[1], NULL, 0); - } - } - else - { - command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]"); - return ERROR_OK; - } - } - - /* 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; -} - -int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - int retval; - target_t *target = get_current_target(cmd_ctx); - - if (argc == 0) - retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */ - else if (argc == 1) - retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */ - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - target_process_events(cmd_ctx); - - target_arch_state(target); - - return retval; -} - -int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - - DEBUG("-"); - - if (argc == 0) - target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */ - - if (argc == 1) - target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */ - - return ERROR_OK; -} - -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]; - int output_len; - - int retval; - - u8 *buffer; - target_t *target = get_current_target(cmd_ctx); - - if (argc < 1) - return ERROR_OK; - - if (argc == 2) - count = strtoul(args[1], NULL, 0); - - address = strtoul(args[0], NULL, 0); - - - switch (cmd[2]) - { - case 'w': - size = 4; line_modulo = line_bytecnt / 4; - break; - case 'h': - size = 2; line_modulo = line_bytecnt / 2; - break; - case 'b': - size = 1; line_modulo = line_bytecnt / 1; - break; - default: - return ERROR_OK; - } - - buffer = calloc(count, size); - retval = target->type->read_memory(target, address, size, count, buffer); - if (retval != ERROR_OK) - { - switch (retval) - { - case ERROR_TARGET_UNALIGNED_ACCESS: - command_print(cmd_ctx, "error: address not aligned"); - break; - case ERROR_TARGET_NOT_HALTED: - command_print(cmd_ctx, "error: target must be halted for memory accesses"); - break; - case ERROR_TARGET_DATA_ABORT: - command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted"); - break; - default: - command_print(cmd_ctx, "error: unknown error"); - break; - } - return ERROR_OK; - } - - output_len = 0; - - for (i = 0; i < count; i++) - { - if (i%line_modulo == 0) - output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size)); - - switch (size) - { - case 4: - output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4])); - break; - case 2: - output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2])); - break; - case 1: - output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]); - break; - } - - if ((i%line_modulo == line_modulo-1) || (i == count - 1)) - { - command_print(cmd_ctx, output); - output_len = 0; - } - } - - free(buffer); - - return ERROR_OK; -} - -int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - u32 address = 0; - u32 value = 0; - int retval; - target_t *target = get_current_target(cmd_ctx); - u8 value_buf[4]; - - if (argc < 2) - return ERROR_OK; - - address = strtoul(args[0], NULL, 0); - value = strtoul(args[1], NULL, 0); - - switch (cmd[2]) - { - case 'w': - target_buffer_set_u32(target, value_buf, value); - retval = target->type->write_memory(target, address, 4, 1, value_buf); - break; - case 'h': - target_buffer_set_u16(target, value_buf, value); - retval = target->type->write_memory(target, address, 2, 1, value_buf); - break; - case 'b': - value_buf[0] = value; - retval = target->type->write_memory(target, address, 1, 1, value_buf); - break; - default: - return ERROR_OK; - } - - switch (retval) - { - case ERROR_TARGET_UNALIGNED_ACCESS: - command_print(cmd_ctx, "error: address not aligned"); - break; - case ERROR_TARGET_DATA_ABORT: - command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted"); - break; - case ERROR_TARGET_NOT_HALTED: - command_print(cmd_ctx, "error: target must be halted for memory accesses"); - break; - case ERROR_OK: - break; - default: - command_print(cmd_ctx, "error: unknown error"); - break; - } - - return ERROR_OK; - -} - -int handle_load_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; - - 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: load_image <filename> [address] [type]"); - return ERROR_OK; - } - - /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */ - if (argc >= 2) - { - image.base_address_set = 1; - image.base_address = strtoul(args[1], NULL, 0); - } - else - { - image.base_address_set = 0; - } - - image.start_address_set = 0; - - duration_start_measure(&duration); - - if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK) - { - command_print(cmd_ctx, "load_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, download aborted"); - free(buffer); - image_close(&image); - return ERROR_OK; - } - target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer); - image_size += buf_cnt; - command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address); - - free(buffer); - } - - duration_stop_measure(&duration, &duration_text); - command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text); - free(duration_text); - - image_close(&image); - - return ERROR_OK; - -} - -int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - fileio_t fileio; - - u32 address; - u32 size; - u8 buffer[560]; - int retval; - - duration_t duration; - char *duration_text; - - target_t *target = get_current_target(cmd_ctx); - - if (argc != 3) - { - command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>"); - return ERROR_OK; - } - - address = strtoul(args[1], NULL, 0); - size = strtoul(args[2], NULL, 0); - - if ((address & 3) || (size & 3)) - { - command_print(cmd_ctx, "only 32-bit aligned address and size are supported"); - return ERROR_OK; - } - - if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK) - { - command_print(cmd_ctx, "dump_image error: %s", fileio.error_str); - return ERROR_OK; - } - - duration_start_measure(&duration); - - while (size > 0) - { - u32 size_written; - u32 this_run_size = (size > 560) ? 560 : size; - - 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; - address += this_run_size; - } - - fileio_close(&fileio); - - duration_stop_measure(&duration, &duration_text); - command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text); - 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 <file> [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, "could not calculate checksum, 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, "checksum mismatch - 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) -{ - int retval; - target_t *target = get_current_target(cmd_ctx); - - if (argc == 0) - { - breakpoint_t *breakpoint = target->breakpoints; - - while (breakpoint) - { - if (breakpoint->type == BKPT_SOFT) - { - char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16); - command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf); - free(buf); - } - else - { - command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set); - } - breakpoint = breakpoint->next; - } - } - else if (argc >= 2) - { - int hw = BKPT_SOFT; - u32 length = 0; - - length = strtoul(args[1], NULL, 0); - - if (argc >= 3) - if (strcmp(args[2], "hw") == 0) - hw = BKPT_HARD; - - if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK) - { - switch (retval) - { - case ERROR_TARGET_NOT_HALTED: - command_print(cmd_ctx, "target must be halted to set breakpoints"); - break; - case ERROR_TARGET_RESOURCE_NOT_AVAILABLE: - command_print(cmd_ctx, "no more breakpoints available"); - break; - default: - command_print(cmd_ctx, "unknown error, breakpoint not set"); - break; - } - } - else - { - command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0)); - } - } - else - { - command_print(cmd_ctx, "usage: bp <address> <length> ['hw']"); - } - - return ERROR_OK; -} - -int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - - if (argc > 0) - breakpoint_remove(target, strtoul(args[0], NULL, 0)); - - return ERROR_OK; -} - -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) - { - watchpoint_t *watchpoint = target->watchpoints; - - while (watchpoint) - { - command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask); - watchpoint = watchpoint->next; - } - } - else if (argc >= 2) - { - enum watchpoint_rw type = WPT_ACCESS; - u32 data_value = 0x0; - u32 data_mask = 0xffffffff; - - if (argc >= 3) - { - switch(args[2][0]) - { - case 'r': - type = WPT_READ; - break; - case 'w': - type = WPT_WRITE; - break; - case 'a': - type = WPT_ACCESS; - break; - default: - command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]"); - return ERROR_OK; - } - } - if (argc >= 4) - { - data_value = strtoul(args[3], NULL, 0); - } - if (argc >= 5) - { - data_mask = strtoul(args[4], NULL, 0); - } - - 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 - { - command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]"); - } - - return ERROR_OK; -} - -int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - - if (argc > 0) - watchpoint_remove(target, strtoul(args[0], NULL, 0)); - - return ERROR_OK; -} - -int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc) -{ - int retval; - target_t *target = get_current_target(cmd_ctx); - u32 va; - u32 pa; - - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - va = strtoul(args[0], NULL, 0); - - retval = target->type->virt2phys(target, va, &pa); - if (retval == ERROR_OK) - { - command_print(cmd_ctx, "Physical address 0x%08x", pa); - } - else - { - /* lower levels will have logged a detailed error which is - * forwarded to telnet/GDB session. - */ - } - return retval; -} +/***************************************************************************
+ * Copyright (C) 2005 by Dominic Rath *
+ * Dominic.Rath@gmx.de *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * 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., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "replacements.h"
+#include "target.h"
+#include "target_request.h"
+
+#include "log.h"
+#include "configuration.h"
+#include "binarybuffer.h"
+#include "jtag.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <sys/time.h>
+#include <time.h>
+
+#include <time_support.h>
+
+#include <fileio.h>
+#include <image.h>
+
+int cli_target_callback_event_handler(struct target_s *target, enum target_event event, void *priv);
+
+
+int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+
+int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_reset_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_md_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+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);
+int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
+int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc);
+
+/* targets
+ */
+extern target_type_t arm7tdmi_target;
+extern target_type_t arm720t_target;
+extern target_type_t arm9tdmi_target;
+extern target_type_t arm920t_target;
+extern target_type_t arm966e_target;
+extern target_type_t arm926ejs_target;
+extern target_type_t feroceon_target;
+extern target_type_t xscale_target;
+extern target_type_t cortexm3_target;
+
+target_type_t *target_types[] =
+{
+ &arm7tdmi_target,
+ &arm9tdmi_target,
+ &arm920t_target,
+ &arm720t_target,
+ &arm966e_target,
+ &arm926ejs_target,
+ &feroceon_target,
+ &xscale_target,
+ &cortexm3_target,
+ NULL,
+};
+
+target_t *targets = NULL;
+target_event_callback_t *target_event_callbacks = NULL;
+target_timer_callback_t *target_timer_callbacks = NULL;
+
+char *target_state_strings[] =
+{
+ "unknown",
+ "running",
+ "halted",
+ "reset",
+ "debug_running",
+};
+
+char *target_debug_reason_strings[] =
+{
+ "debug request", "breakpoint", "watchpoint",
+ "watchpoint and breakpoint", "single step",
+ "target not halted"
+};
+
+char *target_endianess_strings[] =
+{
+ "big endian",
+ "little endian",
+};
+
+enum daemon_startup_mode startup_mode = DAEMON_ATTACH;
+
+static int target_continous_poll = 1;
+
+/* read a u32 from a buffer in target memory endianness */
+u32 target_buffer_get_u32(target_t *target, u8 *buffer)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ return le_to_h_u32(buffer);
+ else
+ return be_to_h_u32(buffer);
+}
+
+/* read a u16 from a buffer in target memory endianness */
+u16 target_buffer_get_u16(target_t *target, u8 *buffer)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ return le_to_h_u16(buffer);
+ else
+ return be_to_h_u16(buffer);
+}
+
+/* write a u32 to a buffer in target memory endianness */
+void target_buffer_set_u32(target_t *target, u8 *buffer, u32 value)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ h_u32_to_le(buffer, value);
+ else
+ h_u32_to_be(buffer, value);
+}
+
+/* write a u16 to a buffer in target memory endianness */
+void target_buffer_set_u16(target_t *target, u8 *buffer, u16 value)
+{
+ if (target->endianness == TARGET_LITTLE_ENDIAN)
+ h_u16_to_le(buffer, value);
+ else
+ h_u16_to_be(buffer, value);
+}
+
+/* returns a pointer to the n-th configured target */
+target_t* get_target_by_num(int num)
+{
+ target_t *target = targets;
+ int i = 0;
+
+ while (target)
+ {
+ if (num == i)
+ return target;
+ target = target->next;
+ i++;
+ }
+
+ return NULL;
+}
+
+int get_num_by_target(target_t *query_target)
+{
+ target_t *target = targets;
+ int i = 0;
+
+ while (target)
+ {
+ if (target == query_target)
+ return i;
+ target = target->next;
+ i++;
+ }
+
+ return -1;
+}
+
+target_t* get_current_target(command_context_t *cmd_ctx)
+{
+ target_t *target = get_target_by_num(cmd_ctx->current_target);
+
+ if (target == NULL)
+ {
+ ERROR("BUG: current_target out of bounds");
+ exit(-1);
+ }
+
+ return target;
+}
+
+/* Process target initialization, when target entered debug out of reset
+ * the handler is unregistered at the end of this function, so it's only called once
+ */
+int target_init_handler(struct target_s *target, enum target_event event, void *priv)
+{
+ FILE *script;
+ struct command_context_s *cmd_ctx = priv;
+
+ if ((event == TARGET_EVENT_HALTED) && (target->reset_script))
+ {
+ target_unregister_event_callback(target_init_handler, priv);
+
+ script = open_file_from_path(cmd_ctx, target->reset_script, "r");
+ if (!script)
+ {
+ ERROR("couldn't open script file %s", target->reset_script);
+ return ERROR_OK;
+ }
+
+ INFO("executing reset script '%s'", target->reset_script);
+ command_run_file(cmd_ctx, script, COMMAND_EXEC);
+ fclose(script);
+
+ jtag_execute_queue();
+ }
+
+ return ERROR_OK;
+}
+
+int target_run_and_halt_handler(void *priv)
+{
+ target_t *target = priv;
+
+ target->type->halt(target);
+
+ return ERROR_OK;
+}
+
+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:
+ case RESET_INIT:
+ target->type->prepare_reset_halt(target);
+ break;
+ default:
+ break;
+ }
+ target = target->next;
+ }
+
+ target = targets;
+ while (target)
+ {
+ target->type->assert_reset(target);
+ target = target->next;
+ }
+ jtag_execute_queue();
+
+ /* request target halt if necessary, and schedule further action */
+ target = targets;
+ while (target)
+ {
+ switch (target->reset_mode)
+ {
+ case RESET_RUN:
+ /* nothing to do if target just wants to be run */
+ break;
+ case RESET_RUN_AND_HALT:
+ /* schedule halt */
+ target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
+ break;
+ case RESET_RUN_AND_INIT:
+ /* schedule halt */
+ target_register_timer_callback(target_run_and_halt_handler, target->run_and_halt_time, 0, target);
+ target_register_event_callback(target_init_handler, cmd_ctx);
+ break;
+ case RESET_HALT:
+ target->type->halt(target);
+ break;
+ case RESET_INIT:
+ target->type->halt(target);
+ target_register_event_callback(target_init_handler, cmd_ctx);
+ break;
+ default:
+ ERROR("BUG: unknown target->reset_mode");
+ }
+ target = target->next;
+ }
+
+ target = targets;
+ while (target)
+ {
+ target->type->deassert_reset(target);
+ 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:
+
+
+ /* We want any events to be processed before the prompt */
+ target_call_timer_callbacks();
+
+ return retval;
+}
+
+static int default_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
+{
+ *physical = virtual;
+ return ERROR_OK;
+}
+
+static int default_mmu(struct target_s *target, int *enabled)
+{
+ *enabled = 0;
+ return ERROR_OK;
+}
+
+int target_init(struct command_context_s *cmd_ctx)
+{
+ target_t *target = targets;
+
+ while (target)
+ {
+ if (target->type->init_target(cmd_ctx, target) != ERROR_OK)
+ {
+ ERROR("target '%s' init failed", target->type->name);
+ exit(-1);
+ }
+
+ /* Set up default functions if none are provided by target */
+ if (target->type->virt2phys == NULL)
+ {
+ target->type->virt2phys = default_virt2phys;
+ }
+ if (target->type->mmu == NULL)
+ {
+ target->type->mmu = default_mmu;
+ }
+ target = target->next;
+ }
+
+ if (targets)
+ {
+ target_register_user_commands(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);
+
+ return ERROR_OK;
+}
+
+int target_register_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
+{
+ target_event_callback_t **callbacks_p = &target_event_callbacks;
+
+ if (callback == NULL)
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if (*callbacks_p)
+ {
+ while ((*callbacks_p)->next)
+ callbacks_p = &((*callbacks_p)->next);
+ callbacks_p = &((*callbacks_p)->next);
+ }
+
+ (*callbacks_p) = malloc(sizeof(target_event_callback_t));
+ (*callbacks_p)->callback = callback;
+ (*callbacks_p)->priv = priv;
+ (*callbacks_p)->next = NULL;
+
+ return ERROR_OK;
+}
+
+int target_register_timer_callback(int (*callback)(void *priv), int time_ms, int periodic, void *priv)
+{
+ target_timer_callback_t **callbacks_p = &target_timer_callbacks;
+ struct timeval now;
+
+ if (callback == NULL)
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ if (*callbacks_p)
+ {
+ while ((*callbacks_p)->next)
+ callbacks_p = &((*callbacks_p)->next);
+ callbacks_p = &((*callbacks_p)->next);
+ }
+
+ (*callbacks_p) = malloc(sizeof(target_timer_callback_t));
+ (*callbacks_p)->callback = callback;
+ (*callbacks_p)->periodic = periodic;
+ (*callbacks_p)->time_ms = time_ms;
+
+ 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;
+ }
+
+ (*callbacks_p)->priv = priv;
+ (*callbacks_p)->next = NULL;
+
+ return ERROR_OK;
+}
+
+int target_unregister_event_callback(int (*callback)(struct target_s *target, enum target_event event, void *priv), void *priv)
+{
+ target_event_callback_t **p = &target_event_callbacks;
+ target_event_callback_t *c = target_event_callbacks;
+
+ if (callback == NULL)
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ while (c)
+ {
+ target_event_callback_t *next = c->next;
+ if ((c->callback == callback) && (c->priv == priv))
+ {
+ *p = next;
+ free(c);
+ return ERROR_OK;
+ }
+ else
+ p = &(c->next);
+ c = next;
+ }
+
+ return ERROR_OK;
+}
+
+int target_unregister_timer_callback(int (*callback)(void *priv), void *priv)
+{
+ target_timer_callback_t **p = &target_timer_callbacks;
+ target_timer_callback_t *c = target_timer_callbacks;
+
+ if (callback == NULL)
+ {
+ return ERROR_INVALID_ARGUMENTS;
+ }
+
+ while (c)
+ {
+ target_timer_callback_t *next = c->next;
+ if ((c->callback == callback) && (c->priv == priv))
+ {
+ *p = next;
+ free(c);
+ return ERROR_OK;
+ }
+ else
+ p = &(c->next);
+ c = next;
+ }
+
+ return ERROR_OK;
+}
+
+int target_call_event_callbacks(target_t *target, enum target_event event)
+{
+ target_event_callback_t *callback = target_event_callbacks;
+ target_event_callback_t *next_callback;
+
+ DEBUG("target event %i", event);
+
+ while (callback)
+ {
+ next_callback = callback->next;
+ callback->callback(target, event, callback->priv);
+ callback = next_callback;
+ }
+
+ return ERROR_OK;
+}
+
+int target_call_timer_callbacks()
+{
+ target_timer_callback_t *callback = target_timer_callbacks;
+ target_timer_callback_t *next_callback;
+ struct timeval now;
+
+ gettimeofday(&now, NULL);
+
+ while (callback)
+ {
+ next_callback = callback->next;
+
+ if (((now.tv_sec >= callback->when.tv_sec) && (now.tv_usec >= callback->when.tv_usec))
+ || (now.tv_sec > callback->when.tv_sec))
+ {
+ callback->callback(callback->priv);
+ if (callback->periodic)
+ {
+ int time_ms = callback->time_ms;
+ callback->when.tv_usec = now.tv_usec + (time_ms % 1000) * 1000;
+ time_ms -= (time_ms % 1000);
+ callback->when.tv_sec = now.tv_sec + time_ms / 1000;
+ if (callback->when.tv_usec > 1000000)
+ {
+ callback->when.tv_usec = callback->when.tv_usec - 1000000;
+ callback->when.tv_sec += 1;
+ }
+ }
+ else
+ target_unregister_timer_callback(callback->callback, callback->priv);
+ }
+
+ callback = next_callback;
+ }
+
+ return ERROR_OK;
+}
+
+int target_alloc_working_area(struct target_s *target, u32 size, working_area_t **area)
+{
+ working_area_t *c = target->working_areas;
+ working_area_t *new_wa = NULL;
+
+ /* Reevaluate working area address based on MMU state*/
+ if (target->working_areas == NULL)
+ {
+ int retval;
+ int enabled;
+ retval = target->type->mmu(target, &enabled);
+ if (retval != ERROR_OK)
+ {
+ return retval;
+ }
+ if (enabled)
+ {
+ target->working_area = target->working_area_virt;
+ }
+ else
+ {
+ target->working_area = target->working_area_phys;
+ }
+ }
+
+ /* only allocate multiples of 4 byte */
+ if (size % 4)
+ {
+ ERROR("BUG: code tried to allocate unaligned number of bytes, padding");
+ size = CEIL(size, 4);
+ }
+
+ /* see if there's already a matching working area */
+ while (c)
+ {
+ if ((c->free) && (c->size == size))
+ {
+ new_wa = c;
+ break;
+ }
+ c = c->next;
+ }
+
+ /* if not, allocate a new one */
+ if (!new_wa)
+ {
+ working_area_t **p = &target->working_areas;
+ u32 first_free = target->working_area;
+ u32 free_size = target->working_area_size;
+
+ DEBUG("allocating new working area");
+
+ c = target->working_areas;
+ while (c)
+ {
+ first_free += c->size;
+ free_size -= c->size;
+ p = &c->next;
+ c = c->next;
+ }
+
+ if (free_size < size)
+ {
+ WARNING("not enough working area available(requested %d, free %d)", size, free_size);
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ }
+
+ new_wa = malloc(sizeof(working_area_t));
+ new_wa->next = NULL;
+ new_wa->size = size;
+ new_wa->address = first_free;
+
+ if (target->backup_working_area)
+ {
+ new_wa->backup = malloc(new_wa->size);
+ target->type->read_memory(target, new_wa->address, 4, new_wa->size / 4, new_wa->backup);
+ }
+ else
+ {
+ new_wa->backup = NULL;
+ }
+
+ /* put new entry in list */
+ *p = new_wa;
+ }
+
+ /* mark as used, and return the new (reused) area */
+ new_wa->free = 0;
+ *area = new_wa;
+
+ /* user pointer */
+ new_wa->user = area;
+
+ return ERROR_OK;
+}
+
+int target_free_working_area(struct target_s *target, working_area_t *area)
+{
+ if (area->free)
+ return ERROR_OK;
+
+ if (target->backup_working_area)
+ target->type->write_memory(target, area->address, 4, area->size / 4, area->backup);
+
+ area->free = 1;
+
+ /* mark user pointer invalid */
+ *area->user = NULL;
+ area->user = NULL;
+
+ return ERROR_OK;
+}
+
+int target_free_all_working_areas(struct target_s *target)
+{
+ working_area_t *c = target->working_areas;
+
+ while (c)
+ {
+ working_area_t *next = c->next;
+ target_free_working_area(target, c);
+
+ if (c->backup)
+ free(c->backup);
+
+ free(c);
+
+ c = next;
+ }
+
+ target->working_areas = NULL;
+
+ return ERROR_OK;
+}
+
+int target_register_commands(struct command_context_s *cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "target", handle_target_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "targets", handle_targets_command, COMMAND_EXEC, NULL);
+ register_command(cmd_ctx, NULL, "daemon_startup", handle_daemon_startup_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "target_script", handle_target_script_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "run_and_halt_time", handle_run_and_halt_time_command, COMMAND_CONFIG, NULL);
+ register_command(cmd_ctx, NULL, "working_area", handle_working_area_command, COMMAND_ANY, "working_area <target#> <address> <size> <'backup'|'nobackup'> [virtual address]");
+ register_command(cmd_ctx, NULL, "virt2phys", handle_virt2phys_command, COMMAND_ANY, "virt2phys <virtual address>");
+
+ return ERROR_OK;
+}
+
+int target_arch_state(struct target_s *target)
+{
+ int retval;
+ if (target==NULL)
+ {
+ USER("No target has been configured");
+ return ERROR_OK;
+ }
+
+ USER("target state: %s", target_state_strings[target->state]);
+
+ if (target->state!=TARGET_HALTED)
+ return ERROR_OK;
+
+ retval=target->type->arch_state(target);
+ 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_s *target, u32 address, u32 size, u8 *buffer)
+{
+ int retval;
+
+ DEBUG("writing buffer of %i byte at 0x%8.8x", size, address);
+
+ if (((address % 2) == 0) && (size == 2))
+ {
+ return target->type->write_memory(target, address, 2, 1, buffer);
+ }
+
+ /* handle unaligned head bytes */
+ if (address % 4)
+ {
+ int unaligned = 4 - (address % 4);
+
+ if (unaligned > size)
+ unaligned = size;
+
+ if ((retval = target->type->write_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
+ return retval;
+
+ buffer += unaligned;
+ address += unaligned;
+ size -= unaligned;
+ }
+
+ /* handle aligned words */
+ if (size >= 4)
+ {
+ int aligned = size - (size % 4);
+
+ /* use bulk writes above a certain limit. This may have to be changed */
+ if (aligned > 128)
+ {
+ if ((retval = target->type->bulk_write_memory(target, address, aligned / 4, buffer)) != ERROR_OK)
+ return retval;
+ }
+ else
+ {
+ if ((retval = target->type->write_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
+ return retval;
+ }
+
+ buffer += aligned;
+ address += aligned;
+ size -= aligned;
+ }
+
+ /* handle tail writes of less than 4 bytes */
+ if (size > 0)
+ {
+ if ((retval = target->type->write_memory(target, address, 1, size, buffer)) != ERROR_OK)
+ return retval;
+ }
+
+ return ERROR_OK;
+}
+
+
+/* Single aligned words are guaranteed to use 16 or 32 bit access
+ * mode respectively, otherwise data is handled as quickly as
+ * possible
+ */
+int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffer)
+{
+ int retval;
+
+ DEBUG("reading buffer of %i byte at 0x%8.8x", size, address);
+
+ if (((address % 2) == 0) && (size == 2))
+ {
+ return target->type->read_memory(target, address, 2, 1, buffer);
+ }
+
+ /* handle unaligned head bytes */
+ if (address % 4)
+ {
+ int unaligned = 4 - (address % 4);
+
+ if (unaligned > size)
+ unaligned = size;
+
+ if ((retval = target->type->read_memory(target, address, 1, unaligned, buffer)) != ERROR_OK)
+ return retval;
+
+ buffer += unaligned;
+ address += unaligned;
+ size -= unaligned;
+ }
+
+ /* handle aligned words */
+ if (size >= 4)
+ {
+ int aligned = size - (size % 4);
+
+ if ((retval = target->type->read_memory(target, address, 4, aligned / 4, buffer)) != ERROR_OK)
+ return retval;
+
+ buffer += aligned;
+ address += aligned;
+ size -= aligned;
+ }
+
+ /* handle tail writes of less than 4 bytes */
+ if (size > 0)
+ {
+ if ((retval = target->type->read_memory(target, address, 1, size, buffer)) != ERROR_OK)
+ return retval;
+ }
+
+ 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_INVALID_ARGUMENTS;
+ }
+ retval = target_read_buffer(target, address, size, buffer);
+ if (retval != ERROR_OK)
+ {
+ free(buffer);
+ return retval;
+ }
+
+ /* 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];
+
+ int retval = target->type->read_memory(target, address, 4, 1, value_buf);
+
+ if (retval == ERROR_OK)
+ {
+ *value = target_buffer_get_u32(target, value_buf);
+ DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, *value);
+ }
+ else
+ {
+ *value = 0x0;
+ DEBUG("address: 0x%8.8x failed", address);
+ }
+
+ return retval;
+}
+
+int target_read_u16(struct target_s *target, u32 address, u16 *value)
+{
+ u8 value_buf[2];
+
+ int retval = target->type->read_memory(target, address, 2, 1, value_buf);
+
+ if (retval == ERROR_OK)
+ {
+ *value = target_buffer_get_u16(target, value_buf);
+ DEBUG("address: 0x%8.8x, value: 0x%4.4x", address, *value);
+ }
+ else
+ {
+ *value = 0x0;
+ DEBUG("address: 0x%8.8x failed", address);
+ }
+
+ return retval;
+}
+
+int target_read_u8(struct target_s *target, u32 address, u8 *value)
+{
+ int retval = target->type->read_memory(target, address, 1, 1, value);
+
+ if (retval == ERROR_OK)
+ {
+ DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, *value);
+ }
+ else
+ {
+ *value = 0x0;
+ DEBUG("address: 0x%8.8x failed", address);
+ }
+
+ return retval;
+}
+
+int target_write_u32(struct target_s *target, u32 address, u32 value)
+{
+ int retval;
+ u8 value_buf[4];
+
+ DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+
+ target_buffer_set_u32(target, value_buf, value);
+ if ((retval = target->type->write_memory(target, address, 4, 1, value_buf)) != ERROR_OK)
+ {
+ DEBUG("failed: %i", retval);
+ }
+
+ return retval;
+}
+
+int target_write_u16(struct target_s *target, u32 address, u16 value)
+{
+ int retval;
+ u8 value_buf[2];
+
+ DEBUG("address: 0x%8.8x, value: 0x%8.8x", address, value);
+
+ target_buffer_set_u16(target, value_buf, value);
+ if ((retval = target->type->write_memory(target, address, 2, 1, value_buf)) != ERROR_OK)
+ {
+ DEBUG("failed: %i", retval);
+ }
+
+ return retval;
+}
+
+int target_write_u8(struct target_s *target, u32 address, u8 value)
+{
+ int retval;
+
+ DEBUG("address: 0x%8.8x, value: 0x%2.2x", address, value);
+
+ if ((retval = target->type->read_memory(target, address, 1, 1, &value)) != ERROR_OK)
+ {
+ DEBUG("failed: %i", retval);
+ }
+
+ return retval;
+}
+
+int target_register_user_commands(struct command_context_s *cmd_ctx)
+{
+ register_command(cmd_ctx, NULL, "reg", handle_reg_command, COMMAND_EXEC, NULL);
+ register_command(cmd_ctx, NULL, "poll", handle_poll_command, COMMAND_EXEC, "poll target state");
+ 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 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");
+
+ register_command(cmd_ctx, NULL, "mdw", handle_md_command, COMMAND_EXEC, "display memory words <addr> [count]");
+ register_command(cmd_ctx, NULL, "mdh", handle_md_command, COMMAND_EXEC, "display memory half-words <addr> [count]");
+ register_command(cmd_ctx, NULL, "mdb", handle_md_command, COMMAND_EXEC, "display memory bytes <addr> [count]");
+
+ register_command(cmd_ctx, NULL, "mww", handle_mw_command, COMMAND_EXEC, "write memory word <addr> <value>");
+ register_command(cmd_ctx, NULL, "mwh", handle_mw_command, COMMAND_EXEC, "write memory half-word <addr> <value>");
+ register_command(cmd_ctx, NULL, "mwb", handle_mw_command, COMMAND_EXEC, "write memory byte <addr> <value>");
+
+ register_command(cmd_ctx, NULL, "bp", handle_bp_command, COMMAND_EXEC, "set breakpoint <address> <length> [hw]");
+ register_command(cmd_ctx, NULL, "rbp", handle_rbp_command, COMMAND_EXEC, "remove breakpoint <adress>");
+ register_command(cmd_ctx, NULL, "wp", handle_wp_command, COMMAND_EXEC, "set watchpoint <address> <length> <r/w/a> [value] [mask]");
+ register_command(cmd_ctx, NULL, "rwp", handle_rwp_command, COMMAND_EXEC, "remove watchpoint <adress>");
+
+ register_command(cmd_ctx, NULL, "load_image", handle_load_image_command, COMMAND_EXEC, "load_image <file> <address> ['bin'|'ihex'|'elf'|'s19']");
+ register_command(cmd_ctx, NULL, "dump_image", handle_dump_image_command, COMMAND_EXEC, "dump_image <file> <address> <size>");
+ register_command(cmd_ctx, NULL, "verify_image", handle_verify_image_command, COMMAND_EXEC, "verify_image <file> [offset] [type]");
+ register_command(cmd_ctx, NULL, "load_binary", handle_load_image_command, COMMAND_EXEC, "[DEPRECATED] load_binary <file> <address>");
+ register_command(cmd_ctx, NULL, "dump_binary", handle_dump_image_command, COMMAND_EXEC, "[DEPRECATED] dump_binary <file> <address> <size>");
+
+ target_request_register_commands(cmd_ctx);
+ trace_register_commands(cmd_ctx);
+
+ return ERROR_OK;
+}
+
+int handle_targets_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = targets;
+ int count = 0;
+
+ if (argc == 1)
+ {
+ int num = strtoul(args[0], NULL, 0);
+
+ while (target)
+ {
+ count++;
+ target = target->next;
+ }
+
+ if (num < count)
+ cmd_ctx->current_target = num;
+ else
+ command_print(cmd_ctx, "%i is out of bounds, only %i targets are configured", num, count);
+
+ return ERROR_OK;
+ }
+
+ while (target)
+ {
+ command_print(cmd_ctx, "%i: %s (%s), state: %s", count++, target->type->name, target_endianess_strings[target->endianness], target_state_strings[target->state]);
+ target = target->next;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_target_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int i;
+ int found = 0;
+
+ if (argc < 3)
+ {
+ ERROR("target command requires at least three arguments: <type> <endianess> <reset_mode>");
+ exit(-1);
+ }
+
+ /* search for the specified target */
+ if (args[0] && (args[0][0] != 0))
+ {
+ for (i = 0; target_types[i]; i++)
+ {
+ if (strcmp(args[0], target_types[i]->name) == 0)
+ {
+ target_t **last_target_p = &targets;
+
+ /* register target specific commands */
+ if (target_types[i]->register_commands(cmd_ctx) != ERROR_OK)
+ {
+ ERROR("couldn't register '%s' commands", args[0]);
+ exit(-1);
+ }
+
+ if (*last_target_p)
+ {
+ while ((*last_target_p)->next)
+ last_target_p = &((*last_target_p)->next);
+ last_target_p = &((*last_target_p)->next);
+ }
+
+ *last_target_p = malloc(sizeof(target_t));
+
+ (*last_target_p)->type = target_types[i];
+
+ if (strcmp(args[1], "big") == 0)
+ (*last_target_p)->endianness = TARGET_BIG_ENDIAN;
+ else if (strcmp(args[1], "little") == 0)
+ (*last_target_p)->endianness = TARGET_LITTLE_ENDIAN;
+ else
+ {
+ ERROR("endianness must be either 'little' or 'big', not '%s'", args[1]);
+ exit(-1);
+ }
+
+ /* what to do on a target reset */
+ if (strcmp(args[2], "reset_halt") == 0)
+ (*last_target_p)->reset_mode = RESET_HALT;
+ else if (strcmp(args[2], "reset_run") == 0)
+ (*last_target_p)->reset_mode = RESET_RUN;
+ else if (strcmp(args[2], "reset_init") == 0)
+ (*last_target_p)->reset_mode = RESET_INIT;
+ else if (strcmp(args[2], "run_and_halt") == 0)
+ (*last_target_p)->reset_mode = RESET_RUN_AND_HALT;
+ else if (strcmp(args[2], "run_and_init") == 0)
+ (*last_target_p)->reset_mode = RESET_RUN_AND_INIT;
+ else
+ {
+ ERROR("unknown target startup mode %s", args[2]);
+ exit(-1);
+ }
+ (*last_target_p)->run_and_halt_time = 1000; /* default 1s */
+
+ (*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;
+ (*last_target_p)->working_areas = NULL;
+ (*last_target_p)->backup_working_area = 0;
+
+ (*last_target_p)->state = TARGET_UNKNOWN;
+ (*last_target_p)->reg_cache = NULL;
+ (*last_target_p)->breakpoints = NULL;
+ (*last_target_p)->watchpoints = NULL;
+ (*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;
+ break;
+ }
+ }
+ }
+
+ /* no matching target found */
+ if (!found)
+ {
+ ERROR("target '%s' not found", args[0]);
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+/* usage: target_script <target#> <event> <script_file> */
+int handle_target_script_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = NULL;
+
+ if (argc < 3)
+ {
+ ERROR("incomplete target_script command");
+ exit(-1);
+ }
+
+ target = get_target_by_num(strtoul(args[0], NULL, 0));
+
+ if (!target)
+ {
+ ERROR("target number '%s' not defined", args[0]);
+ exit(-1);
+ }
+
+ if (strcmp(args[1], "reset") == 0)
+ {
+ if (target->reset_script)
+ free(target->reset_script);
+ target->reset_script = strdup(args[2]);
+ }
+ else if (strcmp(args[1], "post_halt") == 0)
+ {
+ if (target->post_halt_script)
+ free(target->post_halt_script);
+ target->post_halt_script = strdup(args[2]);
+ }
+ else if (strcmp(args[1], "pre_resume") == 0)
+ {
+ if (target->pre_resume_script)
+ 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]);
+ exit(-1);
+ }
+
+ return ERROR_OK;
+}
+
+int handle_run_and_halt_time_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = NULL;
+
+ if (argc < 2)
+ {
+ ERROR("incomplete run_and_halt_time command");
+ exit(-1);
+ }
+
+ target = get_target_by_num(strtoul(args[0], NULL, 0));
+
+ if (!target)
+ {
+ ERROR("target number '%s' not defined", args[0]);
+ exit(-1);
+ }
+
+ target->run_and_halt_time = strtoul(args[1], NULL, 0);
+
+ return ERROR_OK;
+}
+
+int handle_working_area_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = NULL;
+
+ if ((argc < 4) || (argc > 5))
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ target = get_target_by_num(strtoul(args[0], NULL, 0));
+
+ if (!target)
+ {
+ ERROR("target number '%s' not defined", args[0]);
+ exit(-1);
+ }
+ target_free_all_working_areas(target);
+
+ target->working_area_phys = target->working_area_virt = strtoul(args[1], NULL, 0);
+ if (argc == 5)
+ {
+ target->working_area_virt = strtoul(args[4], NULL, 0);
+ }
+ target->working_area_size = strtoul(args[2], NULL, 0);
+
+ if (strcmp(args[3], "backup") == 0)
+ {
+ target->backup_working_area = 1;
+ }
+ else if (strcmp(args[3], "nobackup") == 0)
+ {
+ target->backup_working_area = 0;
+ }
+ else
+ {
+ ERROR("unrecognized <backup|nobackup> argument (%s)", args[3]);
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ return ERROR_OK;
+}
+
+
+/* process target state changes */
+int handle_target(void *priv)
+{
+ int retval;
+ target_t *target = targets;
+
+ while (target)
+ {
+ /* only poll if target isn't already halted */
+ if (target->state != TARGET_HALTED)
+ {
+ if (target_continous_poll)
+ if ((retval = target->type->poll(target)) != ERROR_OK)
+ {
+ ERROR("couldn't poll target(%d). It's due for a reset.", retval);
+ }
+ }
+
+ target = target->next;
+ }
+
+ return ERROR_OK;
+}
+
+int handle_reg_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target;
+ reg_t *reg = NULL;
+ int count = 0;
+ char *value;
+
+ DEBUG("-");
+
+ target = get_current_target(cmd_ctx);
+
+ /* list all available registers for the current target */
+ if (argc == 0)
+ {
+ reg_cache_t *cache = target->reg_cache;
+
+ count = 0;
+ while(cache)
+ {
+ int i;
+ for (i = 0; i < cache->num_regs; i++)
+ {
+ value = buf_to_str(cache->reg_list[i].value, cache->reg_list[i].size, 16);
+ command_print(cmd_ctx, "(%i) %s (/%i): 0x%s (dirty: %i, valid: %i)", count++, cache->reg_list[i].name, cache->reg_list[i].size, value, cache->reg_list[i].dirty, cache->reg_list[i].valid);
+ free(value);
+ }
+ cache = cache->next;
+ }
+
+ return ERROR_OK;
+ }
+
+ /* access a single register by its ordinal number */
+ if ((args[0][0] >= '0') && (args[0][0] <= '9'))
+ {
+ int num = strtoul(args[0], NULL, 0);
+ reg_cache_t *cache = target->reg_cache;
+
+ count = 0;
+ while(cache)
+ {
+ int i;
+ for (i = 0; i < cache->num_regs; i++)
+ {
+ if (count++ == num)
+ {
+ reg = &cache->reg_list[i];
+ break;
+ }
+ }
+ if (reg)
+ break;
+ cache = cache->next;
+ }
+
+ if (!reg)
+ {
+ command_print(cmd_ctx, "%i is out of bounds, the current target has only %i registers (0 - %i)", num, count, count - 1);
+ return ERROR_OK;
+ }
+ } else /* access a single register by its name */
+ {
+ reg = register_get_by_name(target->reg_cache, args[0], 1);
+
+ if (!reg)
+ {
+ command_print(cmd_ctx, "register %s not found in current target", args[0]);
+ return ERROR_OK;
+ }
+ }
+
+ /* display a register */
+ if ((argc == 1) || ((argc == 2) && !((args[1][0] >= '0') && (args[1][0] <= '9'))))
+ {
+ if ((argc == 2) && (strcmp(args[1], "force") == 0))
+ reg->valid = 0;
+
+ if (reg->valid == 0)
+ {
+ reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
+ if (arch_type == NULL)
+ {
+ ERROR("BUG: encountered unregistered arch type");
+ return ERROR_OK;
+ }
+ arch_type->get(reg);
+ }
+ value = buf_to_str(reg->value, reg->size, 16);
+ command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
+ free(value);
+ return ERROR_OK;
+ }
+
+ /* set register value */
+ if (argc == 2)
+ {
+ u8 *buf = malloc(CEIL(reg->size, 8));
+ str_to_buf(args[1], strlen(args[1]), buf, reg->size, 0);
+
+ reg_arch_type_t *arch_type = register_get_arch_type(reg->arch_type);
+ if (arch_type == NULL)
+ {
+ ERROR("BUG: encountered unregistered arch type");
+ return ERROR_OK;
+ }
+
+ arch_type->set(reg, buf);
+
+ value = buf_to_str(reg->value, reg->size, 16);
+ command_print(cmd_ctx, "%s (/%i): 0x%s", reg->name, reg->size, value);
+ free(value);
+
+ free(buf);
+
+ return ERROR_OK;
+ }
+
+ command_print(cmd_ctx, "usage: reg <#|name> [value]");
+
+ return ERROR_OK;
+}
+
+static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms);
+
+int handle_poll_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc == 0)
+ {
+ target->type->poll(target);
+ target_arch_state(target);
+ }
+ else
+ {
+ if (strcmp(args[0], "on") == 0)
+ {
+ target_continous_poll = 1;
+ }
+ else if (strcmp(args[0], "off") == 0)
+ {
+ target_continous_poll = 0;
+ }
+ else
+ {
+ command_print(cmd_ctx, "arg is \"on\" or \"off\"");
+ }
+ }
+
+
+ return ERROR_OK;
+}
+
+int handle_wait_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int ms = 5000;
+
+ if (argc > 0)
+ {
+ char *end;
+
+ ms = strtoul(args[0], &end, 0) * 1000;
+ if (*end)
+ {
+ command_print(cmd_ctx, "usage: %s [seconds]", cmd);
+ return ERROR_OK;
+ }
+ }
+
+ return wait_state(cmd_ctx, cmd, TARGET_HALTED, ms);
+}
+
+static void target_process_events(struct command_context_s *cmd_ctx)
+{
+ target_t *target = get_current_target(cmd_ctx);
+ target->type->poll(target);
+ target_call_timer_callbacks();
+}
+
+static int wait_state(struct command_context_s *cmd_ctx, char *cmd, enum target_state state, int ms)
+{
+ int retval;
+ struct timeval timeout, now;
+
+ gettimeofday(&timeout, NULL);
+ timeval_add_time(&timeout, 0, ms * 1000);
+
+ target_t *target = get_current_target(cmd_ctx);
+ for (;;)
+ {
+ if ((retval=target->type->poll(target))!=ERROR_OK)
+ return retval;
+ target_call_timer_callbacks();
+ if (target->state == state)
+ {
+ break;
+ }
+ command_print(cmd_ctx, "waiting for target %s...", target_state_strings[state]);
+
+ gettimeofday(&now, NULL);
+ 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 while waiting for target %s", target_state_strings[state]);
+ ERROR("timed out while waiting for target %s", target_state_strings[state]);
+ break;
+ }
+ }
+
+ return ERROR_OK;
+}
+
+int handle_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int retval;
+ target_t *target = get_current_target(cmd_ctx);
+
+ DEBUG("-");
+
+ command_print(cmd_ctx, "requesting target halt...");
+
+ if ((retval = target->type->halt(target)) != ERROR_OK)
+ {
+ switch (retval)
+ {
+ case ERROR_TARGET_ALREADY_HALTED:
+ command_print(cmd_ctx, "target already halted");
+ break;
+ case ERROR_TARGET_TIMEOUT:
+ command_print(cmd_ctx, "target timed out... shutting down");
+ return retval;
+ default:
+ command_print(cmd_ctx, "unknown error... shutting down");
+ return retval;
+ }
+ }
+
+ return handle_wait_halt_command(cmd_ctx, cmd, args, argc);
+}
+
+/* what to do on daemon startup */
+int handle_daemon_startup_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc == 1)
+ {
+ if (strcmp(args[0], "attach") == 0)
+ {
+ startup_mode = DAEMON_ATTACH;
+ return ERROR_OK;
+ }
+ else if (strcmp(args[0], "reset") == 0)
+ {
+ startup_mode = DAEMON_RESET;
+ return ERROR_OK;
+ }
+ }
+
+ WARNING("invalid daemon_startup configuration directive: %s", args[0]);
+ return ERROR_OK;
+
+}
+
+int handle_soft_reset_halt_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+ int retval;
+
+ command_print(cmd_ctx, "requesting target halt and executing a soft reset");
+
+ if ((retval = target->type->soft_reset_halt(target)) != ERROR_OK)
+ {
+ switch (retval)
+ {
+ case ERROR_TARGET_TIMEOUT:
+ command_print(cmd_ctx, "target timed out... shutting down");
+ exit(-1);
+ default:
+ command_print(cmd_ctx, "unknown error... shutting down");
+ exit(-1);
+ }
+ }
+
+ return ERROR_OK;
+}
+
+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 = target->reset_mode;
+ enum target_reset_mode save = target->reset_mode;
+
+ DEBUG("-");
+
+ if (argc >= 1)
+ {
+ if (strcmp("run", args[0]) == 0)
+ reset_mode = RESET_RUN;
+ else if (strcmp("halt", args[0]) == 0)
+ reset_mode = RESET_HALT;
+ else if (strcmp("init", args[0]) == 0)
+ reset_mode = RESET_INIT;
+ else if (strcmp("run_and_halt", args[0]) == 0)
+ {
+ reset_mode = RESET_RUN_AND_HALT;
+ if (argc >= 2)
+ {
+ target->run_and_halt_time = strtoul(args[1], NULL, 0);
+ }
+ }
+ else if (strcmp("run_and_init", args[0]) == 0)
+ {
+ reset_mode = RESET_RUN_AND_INIT;
+ if (argc >= 2)
+ {
+ target->run_and_halt_time = strtoul(args[1], NULL, 0);
+ }
+ }
+ else
+ {
+ command_print(cmd_ctx, "usage: reset ['run', 'halt', 'init', 'run_and_halt', 'run_and_init]");
+ return ERROR_OK;
+ }
+ }
+
+ /* 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;
+}
+
+int handle_resume_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int retval;
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc == 0)
+ retval = target->type->resume(target, 1, 0, 1, 0); /* current pc, addr = 0, handle breakpoints, not debugging */
+ else if (argc == 1)
+ retval = target->type->resume(target, 0, strtoul(args[0], NULL, 0), 1, 0); /* addr = args[0], handle breakpoints, not debugging */
+ else
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ target_process_events(cmd_ctx);
+
+ target_arch_state(target);
+
+ return retval;
+}
+
+int handle_step_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+
+ DEBUG("-");
+
+ if (argc == 0)
+ target->type->step(target, 1, 0, 1); /* current pc, addr = 0, handle breakpoints */
+
+ if (argc == 1)
+ target->type->step(target, 0, strtoul(args[0], NULL, 0), 1); /* addr = args[0], handle breakpoints */
+
+ return ERROR_OK;
+}
+
+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];
+ int output_len;
+
+ int retval;
+
+ u8 *buffer;
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc < 1)
+ return ERROR_OK;
+
+ if (argc == 2)
+ count = strtoul(args[1], NULL, 0);
+
+ address = strtoul(args[0], NULL, 0);
+
+
+ switch (cmd[2])
+ {
+ case 'w':
+ size = 4; line_modulo = line_bytecnt / 4;
+ break;
+ case 'h':
+ size = 2; line_modulo = line_bytecnt / 2;
+ break;
+ case 'b':
+ size = 1; line_modulo = line_bytecnt / 1;
+ break;
+ default:
+ return ERROR_OK;
+ }
+
+ buffer = calloc(count, size);
+ retval = target->type->read_memory(target, address, size, count, buffer);
+ if (retval != ERROR_OK)
+ {
+ switch (retval)
+ {
+ case ERROR_TARGET_UNALIGNED_ACCESS:
+ command_print(cmd_ctx, "error: address not aligned");
+ break;
+ case ERROR_TARGET_NOT_HALTED:
+ command_print(cmd_ctx, "error: target must be halted for memory accesses");
+ break;
+ case ERROR_TARGET_DATA_ABORT:
+ command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
+ break;
+ default:
+ command_print(cmd_ctx, "error: unknown error");
+ break;
+ }
+ return ERROR_OK;
+ }
+
+ output_len = 0;
+
+ for (i = 0; i < count; i++)
+ {
+ if (i%line_modulo == 0)
+ output_len += snprintf(output + output_len, 128 - output_len, "0x%8.8x: ", address + (i*size));
+
+ switch (size)
+ {
+ case 4:
+ output_len += snprintf(output + output_len, 128 - output_len, "%8.8x ", target_buffer_get_u32(target, &buffer[i*4]));
+ break;
+ case 2:
+ output_len += snprintf(output + output_len, 128 - output_len, "%4.4x ", target_buffer_get_u16(target, &buffer[i*2]));
+ break;
+ case 1:
+ output_len += snprintf(output + output_len, 128 - output_len, "%2.2x ", buffer[i*1]);
+ break;
+ }
+
+ if ((i%line_modulo == line_modulo-1) || (i == count - 1))
+ {
+ command_print(cmd_ctx, output);
+ output_len = 0;
+ }
+ }
+
+ free(buffer);
+
+ return ERROR_OK;
+}
+
+int handle_mw_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ u32 address = 0;
+ u32 value = 0;
+ int retval;
+ target_t *target = get_current_target(cmd_ctx);
+ u8 value_buf[4];
+
+ if (argc < 2)
+ return ERROR_OK;
+
+ address = strtoul(args[0], NULL, 0);
+ value = strtoul(args[1], NULL, 0);
+
+ switch (cmd[2])
+ {
+ case 'w':
+ target_buffer_set_u32(target, value_buf, value);
+ retval = target->type->write_memory(target, address, 4, 1, value_buf);
+ break;
+ case 'h':
+ target_buffer_set_u16(target, value_buf, value);
+ retval = target->type->write_memory(target, address, 2, 1, value_buf);
+ break;
+ case 'b':
+ value_buf[0] = value;
+ retval = target->type->write_memory(target, address, 1, 1, value_buf);
+ break;
+ default:
+ return ERROR_OK;
+ }
+
+ switch (retval)
+ {
+ case ERROR_TARGET_UNALIGNED_ACCESS:
+ command_print(cmd_ctx, "error: address not aligned");
+ break;
+ case ERROR_TARGET_DATA_ABORT:
+ command_print(cmd_ctx, "error: access caused data abort, system possibly corrupted");
+ break;
+ case ERROR_TARGET_NOT_HALTED:
+ command_print(cmd_ctx, "error: target must be halted for memory accesses");
+ break;
+ case ERROR_OK:
+ break;
+ default:
+ command_print(cmd_ctx, "error: unknown error");
+ break;
+ }
+
+ return ERROR_OK;
+
+}
+
+int handle_load_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;
+
+ 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: load_image <filename> [address] [type]");
+ return ERROR_OK;
+ }
+
+ /* a base address isn't always necessary, default to 0x0 (i.e. don't relocate) */
+ if (argc >= 2)
+ {
+ image.base_address_set = 1;
+ image.base_address = strtoul(args[1], NULL, 0);
+ }
+ else
+ {
+ image.base_address_set = 0;
+ }
+
+ image.start_address_set = 0;
+
+ duration_start_measure(&duration);
+
+ if (image_open(&image, args[0], (argc >= 3) ? args[2] : NULL) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "load_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, download aborted");
+ free(buffer);
+ image_close(&image);
+ return ERROR_OK;
+ }
+ target_write_buffer(target, image.sections[i].base_address, buf_cnt, buffer);
+ image_size += buf_cnt;
+ command_print(cmd_ctx, "%u byte written at address 0x%8.8x", buf_cnt, image.sections[i].base_address);
+
+ free(buffer);
+ }
+
+ duration_stop_measure(&duration, &duration_text);
+ command_print(cmd_ctx, "downloaded %u byte in %s", image_size, duration_text);
+ free(duration_text);
+
+ image_close(&image);
+
+ return ERROR_OK;
+
+}
+
+int handle_dump_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ fileio_t fileio;
+
+ u32 address;
+ u32 size;
+ u8 buffer[560];
+ int retval;
+
+ duration_t duration;
+ char *duration_text;
+
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc != 3)
+ {
+ command_print(cmd_ctx, "usage: dump_image <filename> <address> <size>");
+ return ERROR_OK;
+ }
+
+ address = strtoul(args[1], NULL, 0);
+ size = strtoul(args[2], NULL, 0);
+
+ if ((address & 3) || (size & 3))
+ {
+ command_print(cmd_ctx, "only 32-bit aligned address and size are supported");
+ return ERROR_OK;
+ }
+
+ if (fileio_open(&fileio, args[0], FILEIO_WRITE, FILEIO_BINARY) != ERROR_OK)
+ {
+ command_print(cmd_ctx, "dump_image error: %s", fileio.error_str);
+ return ERROR_OK;
+ }
+
+ duration_start_measure(&duration);
+
+ while (size > 0)
+ {
+ u32 size_written;
+ u32 this_run_size = (size > 560) ? 560 : size;
+
+ 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;
+ address += this_run_size;
+ }
+
+ fileio_close(&fileio);
+
+ duration_stop_measure(&duration, &duration_text);
+ command_print(cmd_ctx, "dumped %"PRIi64" byte in %s", fileio.size, duration_text);
+ 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 <file> [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, "could not calculate checksum, 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, "checksum mismatch - 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)
+{
+ int retval;
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc == 0)
+ {
+ breakpoint_t *breakpoint = target->breakpoints;
+
+ while (breakpoint)
+ {
+ if (breakpoint->type == BKPT_SOFT)
+ {
+ char* buf = buf_to_str(breakpoint->orig_instr, breakpoint->length, 16);
+ command_print(cmd_ctx, "0x%8.8x, 0x%x, %i, 0x%s", breakpoint->address, breakpoint->length, breakpoint->set, buf);
+ free(buf);
+ }
+ else
+ {
+ command_print(cmd_ctx, "0x%8.8x, 0x%x, %i", breakpoint->address, breakpoint->length, breakpoint->set);
+ }
+ breakpoint = breakpoint->next;
+ }
+ }
+ else if (argc >= 2)
+ {
+ int hw = BKPT_SOFT;
+ u32 length = 0;
+
+ length = strtoul(args[1], NULL, 0);
+
+ if (argc >= 3)
+ if (strcmp(args[2], "hw") == 0)
+ hw = BKPT_HARD;
+
+ if ((retval = breakpoint_add(target, strtoul(args[0], NULL, 0), length, hw)) != ERROR_OK)
+ {
+ switch (retval)
+ {
+ case ERROR_TARGET_NOT_HALTED:
+ command_print(cmd_ctx, "target must be halted to set breakpoints");
+ break;
+ case ERROR_TARGET_RESOURCE_NOT_AVAILABLE:
+ command_print(cmd_ctx, "no more breakpoints available");
+ break;
+ default:
+ command_print(cmd_ctx, "unknown error, breakpoint not set");
+ break;
+ }
+ }
+ else
+ {
+ command_print(cmd_ctx, "breakpoint added at address 0x%8.8x", strtoul(args[0], NULL, 0));
+ }
+ }
+ else
+ {
+ command_print(cmd_ctx, "usage: bp <address> <length> ['hw']");
+ }
+
+ return ERROR_OK;
+}
+
+int handle_rbp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc > 0)
+ breakpoint_remove(target, strtoul(args[0], NULL, 0));
+
+ return ERROR_OK;
+}
+
+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)
+ {
+ watchpoint_t *watchpoint = target->watchpoints;
+
+ while (watchpoint)
+ {
+ command_print(cmd_ctx, "address: 0x%8.8x, mask: 0x%8.8x, r/w/a: %i, value: 0x%8.8x, mask: 0x%8.8x", watchpoint->address, watchpoint->length, watchpoint->rw, watchpoint->value, watchpoint->mask);
+ watchpoint = watchpoint->next;
+ }
+ }
+ else if (argc >= 2)
+ {
+ enum watchpoint_rw type = WPT_ACCESS;
+ u32 data_value = 0x0;
+ u32 data_mask = 0xffffffff;
+
+ if (argc >= 3)
+ {
+ switch(args[2][0])
+ {
+ case 'r':
+ type = WPT_READ;
+ break;
+ case 'w':
+ type = WPT_WRITE;
+ break;
+ case 'a':
+ type = WPT_ACCESS;
+ break;
+ default:
+ command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
+ return ERROR_OK;
+ }
+ }
+ if (argc >= 4)
+ {
+ data_value = strtoul(args[3], NULL, 0);
+ }
+ if (argc >= 5)
+ {
+ data_mask = strtoul(args[4], NULL, 0);
+ }
+
+ 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
+ {
+ command_print(cmd_ctx, "usage: wp <address> <length> [r/w/a] [value] [mask]");
+ }
+
+ return ERROR_OK;
+}
+
+int handle_rwp_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ target_t *target = get_current_target(cmd_ctx);
+
+ if (argc > 0)
+ watchpoint_remove(target, strtoul(args[0], NULL, 0));
+
+ return ERROR_OK;
+}
+
+int handle_virt2phys_command(command_context_t *cmd_ctx, char *cmd, char **args, int argc)
+{
+ int retval;
+ target_t *target = get_current_target(cmd_ctx);
+ u32 va;
+ u32 pa;
+
+ if (argc != 1)
+ {
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+ va = strtoul(args[0], NULL, 0);
+
+ retval = target->type->virt2phys(target, va, &pa);
+ if (retval == ERROR_OK)
+ {
+ command_print(cmd_ctx, "Physical address 0x%08x", pa);
+ }
+ else
+ {
+ /* lower levels will have logged a detailed error which is
+ * forwarded to telnet/GDB session.
+ */
+ }
+ return retval;
+}
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