X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fflash%2Fflash.c;h=3dffb1f28e0faff2a99a501e33d4bd24cad63345;hb=a92cc405ac5775ad97c0d0e72ca9233dcfdc8228;hp=416cac44c5fdf826c0f936bdfef6f7107c6bf591;hpb=815c3b353307796fb4d86a1880679dacaed00b6e;p=fw%2Fopenocd diff --git a/src/flash/flash.c b/src/flash/flash.c index 416cac44c..3dffb1f28 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -1,945 +1,1214 @@ -/*************************************************************************** - * 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 "flash.h" -#include "command.h" -#include "target.h" -#include "time_support.h" -#include "fileio.h" -#include "image.h" -#include "log.h" - -#include -#include -#include -#include -#include -#include -#include - -/* command handlers */ -int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_write_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); -flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr); - -/* flash drivers - */ -extern flash_driver_t lpc2000_flash; -extern flash_driver_t cfi_flash; -extern flash_driver_t at91sam7_flash; -extern flash_driver_t str7x_flash; -extern flash_driver_t str9x_flash; -extern flash_driver_t stellaris_flash; -extern flash_driver_t str9xpec_flash; -extern flash_driver_t stm32x_flash; -extern flash_driver_t tms470_flash; - -flash_driver_t *flash_drivers[] = -{ - &lpc2000_flash, - &cfi_flash, - &at91sam7_flash, - &str7x_flash, - &str9x_flash, - &stellaris_flash, - &str9xpec_flash, - &stm32x_flash, - &tms470_flash, - NULL, -}; - -flash_bank_t *flash_banks; -static command_t *flash_cmd; -static int auto_erase = 0; - -/* wafer thin wrapper for invoking the flash driver */ -static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) -{ - int retval=ERROR_OK; - if (bank->target->state != TARGET_HALTED) - { - ERROR("target not halted - aborting flash write"); - retval=ERROR_TARGET_NOT_HALTED; - } else - { - retval=bank->driver->write(bank, buffer, offset, count); - } - if (retval!=ERROR_OK) - { - ERROR("Writing to flash bank at address 0x%08x at offset 0x%8.8x", bank->base, offset); - } - return retval; -} - -static int flash_driver_erase(struct flash_bank_s *bank, int first, int last) -{ - int retval=ERROR_OK; - if (bank->target->state != TARGET_HALTED) - { - ERROR("target not halted - aborting flash erase"); - retval=ERROR_TARGET_NOT_HALTED; - } else if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - ERROR("invalid flash sector"); - retval=ERROR_FLASH_SECTOR_INVALID; - } else - { - retval=bank->driver->erase(bank, first, last); - } - if (retval!=ERROR_OK) - { - ERROR("Failed erasing banks %d to %d", first, last); - } - return retval; -} - -int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last) -{ - int retval; - if (bank->target->state != TARGET_HALTED) - { - ERROR("target not halted - aborting flash erase"); - retval=ERROR_TARGET_NOT_HALTED; - } else if ((first < 0) || (last < first) || (last >= bank->num_sectors)) - { - ERROR("invalid flash sector"); - retval=ERROR_FLASH_SECTOR_INVALID; - } else - { - retval=bank->driver->protect(bank, set, first, last); - } - if (retval!=ERROR_OK) - { - ERROR("Failed protecting banks %d to %d", first, last); - } - return retval; -} - - -int flash_register_commands(struct command_context_s *cmd_ctx) -{ - flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL); - - register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash_bank [driver_options ...]"); - register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY, - "auto erase flash sectors "); - return ERROR_OK; -} - -int flash_init_drivers(struct command_context_s *cmd_ctx) -{ - if (flash_banks) - { - register_command(cmd_ctx, flash_cmd, "banks", handle_flash_banks_command, COMMAND_EXEC, - "list configured flash banks "); - register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC, - "print info about flash bank "); - register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC, - "identify flash bank "); - register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC, - "check erase state of sectors in flash bank "); - register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC, - "check protection state of sectors in flash bank "); - register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC, - "erase sectors at "); - register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC, - "erase address range
"); - register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC, - "write binary data to "); - register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC, - "write_image [offset] [type]"); - register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC, - "set protection of sectors at "); - } - - return ERROR_OK; -} - -flash_bank_t *get_flash_bank_by_num_noprobe(int num) -{ - flash_bank_t *p; - int i = 0; - - for (p = flash_banks; p; p = p->next) - { - if (i++ == num) - { - return p; - } - } - ERROR("Flash bank %d does not exist", num); - return NULL; -} - -flash_bank_t *get_flash_bank_by_num(int num) -{ - flash_bank_t *p = get_flash_bank_by_num_noprobe(num); - int retval; - - if (p == NULL) - return NULL; - - retval = p->driver->auto_probe(p); - - if (retval != ERROR_OK) - { - ERROR("auto_probe failed %d\n", retval); - return NULL; - } - return p; -} - -int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - int i; - int found = 0; - target_t *target; - - if (argc < 6) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL) - { - ERROR("target %lu not defined", strtoul(args[5], NULL, 0)); - return ERROR_OK; - } - - for (i = 0; flash_drivers[i]; i++) - { - if (strcmp(args[0], flash_drivers[i]->name) == 0) - { - flash_bank_t *p, *c; - - /* register flash specific commands */ - if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK) - { - ERROR("couldn't register '%s' commands", args[0]); - exit(-1); - } - - c = malloc(sizeof(flash_bank_t)); - c->target = target; - c->driver = flash_drivers[i]; - c->driver_priv = NULL; - c->base = strtoul(args[1], NULL, 0); - c->size = strtoul(args[2], NULL, 0); - c->chip_width = strtoul(args[3], NULL, 0); - c->bus_width = strtoul(args[4], NULL, 0); - c->num_sectors = 0; - c->sectors = NULL; - c->next = NULL; - - if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK) - { - ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base); - free(c); - return ERROR_OK; - } - - /* put flash bank in linked list */ - if (flash_banks) - { - /* find last flash bank */ - for (p = flash_banks; p && p->next; p = p->next); - if (p) - p->next = c; - } - else - { - flash_banks = c; - } - - found = 1; - } - } - - /* no matching flash driver found */ - if (!found) - { - ERROR("flash driver '%s' not found", args[0]); - exit(-1); - } - - return ERROR_OK; -} - -int handle_flash_banks_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int i = 0; - - if (!flash_banks) - { - command_print(cmd_ctx, "no flash banks configured"); - return ERROR_OK; - } - - for (p = flash_banks; p; p = p->next) - { - command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i", - i++, p->driver->name, p->base, p->size, p->bus_width, p->chip_width); - } - - return ERROR_OK; -} - -int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int i = 0; - int j = 0; - - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - for (p = flash_banks; p; p = p->next, i++) - { - if (i == strtoul(args[0], NULL, 0)) - { - char buf[1024]; - - /* attempt auto probe */ - p->driver->auto_probe(p); - - command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i", - i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width); - for (j = 0; j < p->num_sectors; j++) - { - char *erase_state, *protect_state; - - if (p->sectors[j].is_erased == 0) - erase_state = "not erased"; - else if (p->sectors[j].is_erased == 1) - erase_state = "erased"; - else - erase_state = "erase state unknown"; - - if (p->sectors[j].is_protected == 0) - protect_state = "not protected"; - else if (p->sectors[j].is_protected == 1) - protect_state = "protected"; - else - protect_state = "protection state unknown"; - - command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s, %s", - j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10, - erase_state, protect_state); - } - - p->driver->info(p, buf, 1024); - command_print(cmd_ctx, "%s", buf); - } - } - - return ERROR_OK; -} - -int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->probe(p)) == ERROR_OK) - { - command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base); - } - else if (retval == ERROR_FLASH_BANK_INVALID) - { - command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x", - args[0], p->base); - } - else - { - command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x", - args[0], p->base); - } - } - else - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - } - - return ERROR_OK; -} - -int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->erase_check(p)) == ERROR_OK) - { - command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base); - } - else - { - command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x", - args[0], p->base); - } - } - - return ERROR_OK; -} - -int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - int address; - int length; - duration_t duration; - char *duration_text; - - target_t *target = get_current_target(cmd_ctx); - - if (argc != 2) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - address = strtoul(args[0], NULL, 0); - length = strtoul(args[1], NULL, 0); - if (length <= 0) - { - command_print(cmd_ctx, "Length must be >0"); - return ERROR_COMMAND_SYNTAX_ERROR; - } - - p = get_flash_bank_by_addr(target, address); - if (p == NULL) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - /* We can't know if we did a resume + halt, in which case we no longer know the erased state */ - flash_set_dirty(); - - duration_start_measure(&duration); - - if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK) - { - duration_stop_measure(&duration, &duration_text); - command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text); - free(duration_text); - } - - return retval; -} - -int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - flash_bank_t *p; - int retval; - - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (p) - { - if ((retval = p->driver->protect_check(p)) == ERROR_OK) - { - command_print(cmd_ctx, "successfully checked protect state"); - } - else if (retval == ERROR_FLASH_OPERATION_FAILED) - { - command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base); - } - else - { - command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base); - } - } - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - return ERROR_OK; -} - -int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc > 2) - { - int first = strtoul(args[1], NULL, 0); - int last = strtoul(args[2], NULL, 0); - int retval; - flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - duration_t duration; - char *duration_text; - - duration_start_measure(&duration); - - if (!p) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) - { - duration_stop_measure(&duration, &duration_text); - - command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text); - free(duration_text); - } - } - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - return ERROR_OK; -} - -int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc > 3) - { - int first = strtoul(args[1], NULL, 0); - int last = strtoul(args[2], NULL, 0); - int set; - int retval; - flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (!p) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if (strcmp(args[3], "on") == 0) - set = 1; - else if (strcmp(args[3], "off") == 0) - set = 0; - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - retval = flash_driver_protect(p, set, first, last); - if (retval == ERROR_OK) - { - command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %i", (set) ? "set" : "cleared", first, last, strtoul(args[0], 0, 0)); - } - } - else - { - return ERROR_COMMAND_SYNTAX_ERROR; - - } - - return ERROR_OK; -} - -int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - target_t *target = get_current_target(cmd_ctx); - - image_t image; - u32 written; - - duration_t duration; - char *duration_text; - - int retval; - - if (argc < 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - - } - - 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; - - retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL); - if (retval != ERROR_OK) - { - command_print(cmd_ctx, "image_open error: %s", image.error_str); - return retval; - } - - retval = flash_write(target, &image, &written, auto_erase); - - if (retval != ERROR_OK) - { - image_close(&image); - return retval; - } - - duration_stop_measure(&duration, &duration_text); - if (retval == ERROR_OK) - { - command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)", - written, args[0], duration_text, - (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0))); - } - free(duration_text); - - image_close(&image); - - return retval; -} - -int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - u32 offset; - u8 *buffer; - u32 buf_cnt; - - fileio_t fileio; - - duration_t duration; - char *duration_text; - - int retval; - flash_bank_t *p; - - if (argc != 3) - { - return ERROR_COMMAND_SYNTAX_ERROR; - } - - duration_start_measure(&duration); - - offset = strtoul(args[2], NULL, 0); - p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); - if (!p) - { - command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); - return ERROR_OK; - } - - if (fileio_open(&fileio, args[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK) - { - command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str); - return ERROR_OK; - } - - buffer = malloc(fileio.size); - if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK) - { - command_print(cmd_ctx, "flash write_binary error: %s", fileio.error_str); - return ERROR_OK; - } - - retval = flash_driver_write(p, buffer, offset, buf_cnt); - - free(buffer); - - duration_stop_measure(&duration, &duration_text); - if (retval!=ERROR_OK) - { - command_print(cmd_ctx, "wrote %"PRIi64" byte from file %s to flash bank %i at offset 0x%8.8x in %s (%f kb/s)", - fileio.size, args[1], strtoul(args[0], NULL, 0), offset, duration_text, - (float)fileio.size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0))); - } - free(duration_text); - - fileio_close(&fileio); - - return retval; -} - -void flash_set_dirty(void) -{ - flash_bank_t *c; - int i; - - /* set all flash to require erasing */ - for (c = flash_banks; c; c = c->next) - { - for (i = 0; i < c->num_sectors; i++) - { - c->sectors[i].is_erased = 0; - } - } -} - -/* lookup flash bank by address */ -flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr) -{ - flash_bank_t *c; - - /* cycle through bank list */ - for (c = flash_banks; c; c = c->next) - { - int retval; - retval = c->driver->auto_probe(c); - - if (retval != ERROR_OK) - { - ERROR("auto_probe failed %d\n", retval); - return NULL; - } - /* check whether address belongs to this flash bank */ - if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target) - return c; - } - ERROR("No flash at address 0x%08x\n", addr); - return NULL; -} - -/* erase given flash region, selects proper bank according to target and address */ -int flash_erase_address_range(target_t *target, u32 addr, u32 length) -{ - flash_bank_t *c; - int first = -1; - int last = -1; - int i; - - if ((c = get_flash_bank_by_addr(target, addr)) == NULL) - return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */ - - if (c->size == 0 || c->num_sectors == 0) - return ERROR_FLASH_BANK_INVALID; - - if (length == 0) - { - /* special case, erase whole bank when length is zero */ - if (addr != c->base) - return ERROR_FLASH_DST_BREAKS_ALIGNMENT; - - return flash_driver_erase(c, 0, c->num_sectors - 1); - } - - /* check whether it fits */ - if (addr + length > c->base + c->size) - return ERROR_FLASH_DST_BREAKS_ALIGNMENT; - - addr -= c->base; - - for (i = 0; i < c->num_sectors; i++) - { - /* check whether sector overlaps with the given range and is not yet erased */ - if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) { - /* if first is not set yet then this is the first sector */ - if (first == -1) - first = i; - last = i; /* and it is the last one so far in any case */ - } - } - - if( first == -1 || last == -1 ) - return ERROR_OK; - - return flash_driver_erase(c, first, last); -} - -/* write (optional verify) an image to flash memory of the given target */ -int flash_write(target_t *target, image_t *image, u32 *written, int erase) -{ - int retval; - - int section; - u32 section_offset; - flash_bank_t *c; - - section = 0; - section_offset = 0; - - if (written) - *written = 0; - - if (erase) - { - /* assume all sectors need erasing - stops any problems - * when flash_write is called multiple times */ - - flash_set_dirty(); - } - - /* loop until we reach end of the image */ - while (section < image->num_sections) - { - u32 buffer_size; - u8 *buffer; - int section_first; - int section_last; - u32 run_address = image->sections[section].base_address + section_offset; - u32 run_size = image->sections[section].size - section_offset; - - if (image->sections[section].size == 0) - { - WARNING("empty section %d", section); - section++; - section_offset = 0; - continue; - } - - /* find the corresponding flash bank */ - if ((c = get_flash_bank_by_addr(target, run_address)) == NULL) - { - section++; /* and skip it */ - section_offset = 0; - continue; - } - - /* collect consecutive sections which fall into the same bank */ - section_first = section; - section_last = section; - while ((run_address + run_size < c->base + c->size) - && (section_last + 1 < image->num_sections)) - { - if (image->sections[section_last + 1].base_address < (run_address + run_size)) - { - DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1); - break; - } - if (image->sections[section_last + 1].base_address != (run_address + run_size)) - break; - run_size += image->sections[++section_last].size; - } - - /* fit the run into bank constraints */ - if (run_address + run_size > c->base + c->size) - run_size = c->base + c->size - run_address; - - /* allocate buffer */ - buffer = malloc(run_size); - buffer_size = 0; - - /* read sections to the buffer */ - while (buffer_size < run_size) - { - u32 size_read; - - if (buffer_size - run_size <= image->sections[section].size - section_offset) - size_read = buffer_size - run_size; - else - size_read = image->sections[section].size - section_offset; - - if ((retval = image_read_section(image, section, section_offset, - size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0) - { - free(buffer); - - return retval; - } - - buffer_size += size_read; - section_offset += size_read; - - if (section_offset >= image->sections[section].size) - { - section++; - section_offset = 0; - } - } - - retval = ERROR_OK; - - if (erase) - { - /* calculate and erase sectors */ - retval = flash_erase_address_range( target, run_address, run_size ); - } - - if (retval == ERROR_OK) - { - /* write flash sectors */ - retval = flash_driver_write(c, buffer, run_address - c->base, run_size); - } - - free(buffer); - - if (retval != ERROR_OK) - { - return retval; /* abort operation */ - } - - if (written != NULL) - *written += run_size; /* add run size to total written counter */ - } - - return ERROR_OK; -} - -int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) -{ - if (argc != 1) - { - return ERROR_COMMAND_SYNTAX_ERROR; - - } - - if (strcmp(args[0], "on") == 0) - auto_erase = 1; - else if (strcmp(args[0], "off") == 0) - auto_erase = 0; - else - return ERROR_COMMAND_SYNTAX_ERROR; - - return ERROR_OK; -} +/*************************************************************************** + * Copyright (C) 2005 by Dominic Rath * + * Dominic.Rath@gmx.de * + * * + * Copyright (C) 2007,2008 Øyvind Harboe * + * oyvind.harboe@zylin.com * + * * + * Copyright (C) 2008 by Spencer Oliver * + * spen@spen-soft.co.uk * + * * + * 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 "flash.h" +#include "image.h" +#include "time_support.h" + +/* command handlers */ +static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_write_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); +static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc); + +/* flash drivers + */ +extern flash_driver_t lpc2000_flash; +extern flash_driver_t cfi_flash; +extern flash_driver_t at91sam7_flash; +extern flash_driver_t str7x_flash; +extern flash_driver_t str9x_flash; +extern flash_driver_t aduc702x_flash; +extern flash_driver_t stellaris_flash; +extern flash_driver_t str9xpec_flash; +extern flash_driver_t stm32x_flash; +extern flash_driver_t tms470_flash; +extern flash_driver_t ecosflash_flash; +extern flash_driver_t lpc288x_flash; +extern flash_driver_t ocl_flash; +extern flash_driver_t pic32mx_flash; +extern flash_driver_t avr_flash; + +flash_driver_t *flash_drivers[] = { + &lpc2000_flash, + &cfi_flash, + &at91sam7_flash, + &str7x_flash, + &str9x_flash, + &aduc702x_flash, + &stellaris_flash, + &str9xpec_flash, + &stm32x_flash, + &tms470_flash, + &ecosflash_flash, + &lpc288x_flash, + &ocl_flash, + &pic32mx_flash, + &avr_flash, + NULL, +}; + +flash_bank_t *flash_banks; +static command_t *flash_cmd; + +/* wafer thin wrapper for invoking the flash driver */ +static int flash_driver_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) +{ + int retval; + + retval=bank->driver->write(bank, buffer, offset, count); + if (retval!=ERROR_OK) + { + LOG_ERROR("error writing to flash at address 0x%08x at offset 0x%8.8x (%d)", bank->base, offset, retval); + } + + return retval; +} + +static int flash_driver_erase(struct flash_bank_s *bank, int first, int last) +{ + int retval; + + retval=bank->driver->erase(bank, first, last); + if (retval!=ERROR_OK) + { + LOG_ERROR("failed erasing sectors %d to %d (%d)", first, last, retval); + } + + return retval; +} + +int flash_driver_protect(struct flash_bank_s *bank, int set, int first, int last) +{ + int retval; + + retval=bank->driver->protect(bank, set, first, last); + if (retval!=ERROR_OK) + { + LOG_ERROR("failed setting protection for areas %d to %d (%d)", first, last, retval); + } + + return retval; +} + +int flash_register_commands(struct command_context_s *cmd_ctx) +{ + flash_cmd = register_command(cmd_ctx, NULL, "flash", NULL, COMMAND_ANY, NULL); + + register_command(cmd_ctx, flash_cmd, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash bank [driver_options ...]"); + return ERROR_OK; +} + +static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv) +{ + flash_bank_t *p; + + if (argc != 1) { + Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command"); + return JIM_ERR; + } + + Jim_Obj *list=Jim_NewListObj(interp, NULL, 0); + for (p = flash_banks; p; p = p->next) + { + Jim_Obj *elem=Jim_NewListObj(interp, NULL, 0); + + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1)); + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, p->driver->name, -1)); + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "base", -1)); + Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->base)); + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "size", -1)); + Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->size)); + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "bus_width", -1)); + Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->bus_width)); + Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "chip_width", -1)); + Jim_ListAppendElement(interp, elem, Jim_NewIntObj(interp, p->chip_width)); + + Jim_ListAppendElement(interp, list, elem); + } + + Jim_SetResult(interp, list); + + return JIM_OK; +} + +int flash_init_drivers(struct command_context_s *cmd_ctx) +{ + register_jim(cmd_ctx, "ocd_flash_banks", jim_flash_banks, "return information about the flash banks"); + + if (flash_banks) + { + register_command(cmd_ctx, flash_cmd, "info", handle_flash_info_command, COMMAND_EXEC, + "print info about flash bank "); + register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC, + "identify flash bank "); + register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC, + "check erase state of sectors in flash bank "); + register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC, + "check protection state of sectors in flash bank "); + register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC, + "erase sectors at "); + register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC, + "erase address range
"); + + register_command(cmd_ctx, flash_cmd, "fillw", handle_flash_fill_command, COMMAND_EXEC, + "fill with pattern (no autoerase)
"); + register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC, + "fill with pattern
"); + register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC, + "fill with pattern
"); + + register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC, + "write binary data to "); + register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC, + "write_image [erase] [offset] [type]"); + register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC, + "set protection of sectors at "); + } + + return ERROR_OK; +} + +flash_bank_t *get_flash_bank_by_num_noprobe(int num) +{ + flash_bank_t *p; + int i = 0; + + for (p = flash_banks; p; p = p->next) + { + if (i++ == num) + { + return p; + } + } + LOG_ERROR("flash bank %d does not exist", num); + return NULL; +} + +int flash_get_bank_count(void) +{ + flash_bank_t *p; + int i = 0; + for (p = flash_banks; p; p = p->next) + { + i++; + } + return i; +} + +flash_bank_t *get_flash_bank_by_num(int num) +{ + flash_bank_t *p = get_flash_bank_by_num_noprobe(num); + int retval; + + if (p == NULL) + return NULL; + + retval = p->driver->auto_probe(p); + + if (retval != ERROR_OK) + { + LOG_ERROR("auto_probe failed %d\n", retval); + return NULL; + } + return p; +} + +static int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + int retval; + int i; + int found = 0; + target_t *target; + + if (argc < 6) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + if ((target = get_target(args[5])) == NULL) + { + LOG_ERROR("target '%s' not defined", args[5]); + return ERROR_FAIL; + } + + for (i = 0; flash_drivers[i]; i++) + { + if (strcmp(args[0], flash_drivers[i]->name) == 0) + { + flash_bank_t *p, *c; + + /* register flash specific commands */ + if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK) + { + LOG_ERROR("couldn't register '%s' commands", args[0]); + return ERROR_FAIL; + } + + c = malloc(sizeof(flash_bank_t)); + c->target = target; + c->driver = flash_drivers[i]; + c->driver_priv = NULL; + c->base = strtoul(args[1], NULL, 0); + c->size = strtoul(args[2], NULL, 0); + c->chip_width = strtoul(args[3], NULL, 0); + c->bus_width = strtoul(args[4], NULL, 0); + c->num_sectors = 0; + c->sectors = NULL; + c->next = NULL; + + if ((retval=flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c)) != ERROR_OK) + { + LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8x", args[0], c->base); + free(c); + return retval; + } + + /* put flash bank in linked list */ + if (flash_banks) + { + int bank_num = 0; + /* find last flash bank */ + for (p = flash_banks; p && p->next; p = p->next) bank_num++; + if (p) + p->next = c; + c->bank_number = bank_num + 1; + } + else + { + flash_banks = c; + c->bank_number = 0; + } + + found = 1; + } + } + + /* no matching flash driver found */ + if (!found) + { + LOG_ERROR("flash driver '%s' not found", args[0]); + return ERROR_FAIL; + } + + return ERROR_OK; +} + +static int handle_flash_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + u32 i = 0; + int j = 0; + int retval; + + if (argc != 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + for (p = flash_banks; p; p = p->next, i++) + { + if (i == strtoul(args[0], NULL, 0)) + { + char buf[1024]; + + /* attempt auto probe */ + if ((retval = p->driver->auto_probe(p)) != ERROR_OK) + return retval; + + command_print(cmd_ctx, "#%i: %s at 0x%8.8x, size 0x%8.8x, buswidth %i, chipwidth %i", + i, p->driver->name, p->base, p->size, p->bus_width, p->chip_width); + for (j = 0; j < p->num_sectors; j++) + { + char *protect_state; + + if (p->sectors[j].is_protected == 0) + protect_state = "not protected"; + else if (p->sectors[j].is_protected == 1) + protect_state = "protected"; + else + protect_state = "protection state unknown"; + + command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s", + j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10, + protect_state); + } + + *buf = '\0'; /* initialize buffer, otherwise it migh contain garbage if driver function fails */ + retval = p->driver->info(p, buf, sizeof(buf)); + command_print(cmd_ctx, "%s", buf); + if (retval != ERROR_OK) + LOG_ERROR("error retrieving flash info (%d)", retval); + } + } + + return ERROR_OK; +} + +static int handle_flash_probe_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + int retval; + + if (argc != 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + p = get_flash_bank_by_num_noprobe(strtoul(args[0], NULL, 0)); + if (p) + { + if ((retval = p->driver->probe(p)) == ERROR_OK) + { + command_print(cmd_ctx, "flash '%s' found at 0x%8.8x", p->driver->name, p->base); + } + else if (retval == ERROR_FLASH_BANK_INVALID) + { + command_print(cmd_ctx, "probing failed for flash bank '#%s' at 0x%8.8x", + args[0], p->base); + } + else + { + command_print(cmd_ctx, "unknown error when probing flash bank '#%s' at 0x%8.8x", + args[0], p->base); + } + } + else + { + command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); + } + + return ERROR_OK; +} + +static int handle_flash_erase_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + int retval; + + if (argc != 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + if (p) + { + int j; + if ((retval = p->driver->erase_check(p)) == ERROR_OK) + { + command_print(cmd_ctx, "successfully checked erase state"); + } + else + { + command_print(cmd_ctx, "unknown error when checking erase state of flash bank #%s at 0x%8.8x", + args[0], p->base); + } + + for (j = 0; j < p->num_sectors; j++) + { + char *erase_state; + + if (p->sectors[j].is_erased == 0) + erase_state = "not erased"; + else if (p->sectors[j].is_erased == 1) + erase_state = "erased"; + else + erase_state = "erase state unknown"; + + command_print(cmd_ctx, "\t#%3i: 0x%8.8x (0x%x %ikB) %s", + j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10, + erase_state); + } + } + + return ERROR_OK; +} + +static int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + int retval; + int address; + int length; + duration_t duration; + char *duration_text; + + target_t *target = get_current_target(cmd_ctx); + + if (argc != 2) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + address = strtoul(args[0], NULL, 0); + length = strtoul(args[1], NULL, 0); + if (length <= 0) + { + command_print(cmd_ctx, "Length must be >0"); + return ERROR_COMMAND_SYNTAX_ERROR; + } + + p = get_flash_bank_by_addr(target, address); + if (p == NULL) + { + return ERROR_FAIL; + } + + /* We can't know if we did a resume + halt, in which case we no longer know the erased state */ + flash_set_dirty(); + + duration_start_measure(&duration); + + if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK) + { + if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK) + { + return retval; + } + command_print(cmd_ctx, "erased address 0x%8.8x length %i in %s", address, length, duration_text); + free(duration_text); + } + + return retval; +} + +static int handle_flash_protect_check_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + flash_bank_t *p; + int retval; + + if (argc != 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + if (p) + { + if ((retval = p->driver->protect_check(p)) == ERROR_OK) + { + command_print(cmd_ctx, "successfully checked protect state"); + } + else if (retval == ERROR_FLASH_OPERATION_FAILED) + { + command_print(cmd_ctx, "checking protection state failed (possibly unsupported) by flash #%s at 0x%8.8x", args[0], p->base); + } + else + { + command_print(cmd_ctx, "unknown error when checking protection state of flash bank '#%s' at 0x%8.8x", args[0], p->base); + } + } + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + return ERROR_OK; +} + +static int handle_flash_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc > 2) + { + int first = strtoul(args[1], NULL, 0); + int last = strtoul(args[2], NULL, 0); + int retval; + flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + duration_t duration; + char *duration_text; + + duration_start_measure(&duration); + + if (!p) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK) + { + if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK) + { + return retval; + } + + command_print(cmd_ctx, "erased sectors %i through %i on flash bank %li in %s", + first, last, strtoul(args[0], 0, 0), duration_text); + free(duration_text); + } + } + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + return ERROR_OK; +} + +static int handle_flash_protect_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + if (argc > 3) + { + int first = strtoul(args[1], NULL, 0); + int last = strtoul(args[2], NULL, 0); + int set; + int retval; + flash_bank_t *p = get_flash_bank_by_num(strtoul(args[0], NULL, 0)); + if (!p) + { + command_print(cmd_ctx, "flash bank '#%s' is out of bounds", args[0]); + return ERROR_OK; + } + + if (strcmp(args[3], "on") == 0) + set = 1; + else if (strcmp(args[3], "off") == 0) + set = 0; + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + retval = flash_driver_protect(p, set, first, last); + if (retval == ERROR_OK) + { + command_print(cmd_ctx, "%s protection for sectors %i through %i on flash bank %li", + (set) ? "set" : "cleared", first, + last, strtoul(args[0], 0, 0)); + } + } + else + { + return ERROR_COMMAND_SYNTAX_ERROR; + + } + + return ERROR_OK; +} + +static int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + target_t *target = get_current_target(cmd_ctx); + + image_t image; + u32 written; + + duration_t duration; + char *duration_text; + + int retval, retvaltemp; + + if (argc < 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + /* flash auto-erase is disabled by default*/ + int auto_erase = 0; + + if (strcmp(args[0], "erase")==0) + { + auto_erase = 1; + args++; + argc--; + command_print(cmd_ctx, "auto erase enabled"); + } + + if (argc < 1) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + if (!target) + { + LOG_ERROR("no target selected"); + return ERROR_FAIL; + } + + 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; + + retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL); + if (retval != ERROR_OK) + { + return retval; + } + + retval = flash_write(target, &image, &written, auto_erase); + if (retval != ERROR_OK) + { + image_close(&image); + return retval; + } + + if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != ERROR_OK) + { + image_close(&image); + return retvaltemp; + } + if (retval == ERROR_OK) + { + command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)", + written, args[0], duration_text, + (float)written / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0))); + } + free(duration_text); + + image_close(&image); + + return retval; +} + +static int handle_flash_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) +{ + int err = ERROR_OK, retval; + u32 address; + u32 pattern; + u32 count; + u8 chunk[1024]; + u8 readback[1024]; + u32 wrote = 0; + u32 cur_size = 0; + u32 chunk_count; + char *duration_text; + duration_t duration; + target_t *target = get_current_target(cmd_ctx); + u32 i; + u32 wordsize; + + if (argc != 3) + { + return ERROR_COMMAND_SYNTAX_ERROR; + } + + address = strtoul(args[0], NULL, 0); + pattern = strtoul(args[1], NULL, 0); + count = strtoul(args[2], NULL, 0); + + if(count == 0) + return ERROR_OK; + + switch(cmd[4]) + { + case 'w': + wordsize=4; + break; + case 'h': + wordsize=2; + break; + case 'b': + wordsize=1; + break; + default: + return ERROR_COMMAND_SYNTAX_ERROR; + } + + chunk_count = MIN(count, (1024 / wordsize)); + switch(wordsize) + { + case 4: + for(i = 0; i < chunk_count; i++) + { + target_buffer_set_u32(target, chunk + i * wordsize, pattern); + } + break; + case 2: + for(i = 0; i < chunk_count; i++) + { + target_buffer_set_u16(target, chunk + i * wordsize, pattern); + } + break; + case 1: + memset(chunk, pattern, chunk_count); + break; + default: + LOG_ERROR("BUG: can't happen"); + exit(-1); + } + + duration_start_measure(&duration); + + for (wrote=0; wrote<(count*wordsize); wrote += cur_size) + { + cur_size = MIN( (count*wordsize - wrote), sizeof(chunk) ); + flash_bank_t *bank; + bank = get_flash_bank_by_addr(target, address); + if(bank == NULL) + { + return ERROR_FAIL; + } + err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size); + if (err!=ERROR_OK) + return err; + + err = target_read_buffer(target, address + wrote, cur_size, readback); + if (err!=ERROR_OK) + return err; + + unsigned i; + for (i=0; inext) + { + for (i = 0; i < c->num_sectors; i++) + { + c->sectors[i].is_erased = 0; + } + } +} + +/* lookup flash bank by address */ +flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr) +{ + flash_bank_t *c; + + /* cycle through bank list */ + for (c = flash_banks; c; c = c->next) + { + int retval; + retval = c->driver->auto_probe(c); + + if (retval != ERROR_OK) + { + LOG_ERROR("auto_probe failed %d\n", retval); + return NULL; + } + /* check whether address belongs to this flash bank */ + if ((addr >= c->base) && (addr <= c->base + (c->size - 1)) && target == c->target) + return c; + } + LOG_ERROR("No flash at address 0x%08x\n", addr); + return NULL; +} + +/* erase given flash region, selects proper bank according to target and address */ +int flash_erase_address_range(target_t *target, u32 addr, u32 length) +{ + flash_bank_t *c; + int first = -1; + int last = -1; + int i; + + if ((c = get_flash_bank_by_addr(target, addr)) == NULL) + return ERROR_FLASH_DST_OUT_OF_BANK; /* no corresponding bank found */ + + if (c->size == 0 || c->num_sectors == 0) + { + LOG_ERROR("Bank is invalid"); + return ERROR_FLASH_BANK_INVALID; + } + + if (length == 0) + { + /* special case, erase whole bank when length is zero */ + if (addr != c->base) + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + + return flash_driver_erase(c, 0, c->num_sectors - 1); + } + + /* check whether it fits */ + if (addr + length - 1 > c->base + c->size - 1) + return ERROR_FLASH_DST_BREAKS_ALIGNMENT; + + addr -= c->base; + + for (i = 0; i < c->num_sectors; i++) + { + /* check whether sector overlaps with the given range and is not yet erased */ + if (addr < c->sectors[i].offset + c->sectors[i].size && addr + length > c->sectors[i].offset && c->sectors[i].is_erased != 1) { + /* if first is not set yet then this is the first sector */ + if (first == -1) + first = i; + last = i; /* and it is the last one so far in any case */ + } + } + + if( first == -1 || last == -1 ) + return ERROR_OK; + + return flash_driver_erase(c, first, last); +} + +/* write (optional verify) an image to flash memory of the given target */ +int flash_write(target_t *target, image_t *image, u32 *written, int erase) +{ + int retval=ERROR_OK; + + int section; + u32 section_offset; + flash_bank_t *c; + int *padding; + + section = 0; + section_offset = 0; + + if (written) + *written = 0; + + if (erase) + { + /* assume all sectors need erasing - stops any problems + * when flash_write is called multiple times */ + + flash_set_dirty(); + } + + /* allocate padding array */ + padding = malloc(image->num_sections * sizeof(padding)); + + /* loop until we reach end of the image */ + while (section < image->num_sections) + { + u32 buffer_size; + u8 *buffer; + int section_first; + int section_last; + u32 run_address = image->sections[section].base_address + section_offset; + u32 run_size = image->sections[section].size - section_offset; + int pad_bytes = 0; + + if (image->sections[section].size == 0) + { + LOG_WARNING("empty section %d", section); + section++; + section_offset = 0; + continue; + } + + /* find the corresponding flash bank */ + if ((c = get_flash_bank_by_addr(target, run_address)) == NULL) + { + section++; /* and skip it */ + section_offset = 0; + continue; + } + + /* collect consecutive sections which fall into the same bank */ + section_first = section; + section_last = section; + padding[section] = 0; + while ((run_address + run_size - 1 < c->base + c->size - 1) + && (section_last + 1 < image->num_sections)) + { + if (image->sections[section_last + 1].base_address < (run_address + run_size)) + { + LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1); + break; + } + /* if we have multiple sections within our image, flash programming could fail due to alignment issues + * attempt to rebuild a consecutive buffer for the flash loader */ + pad_bytes = (image->sections[section_last + 1].base_address) - (run_address + run_size); + if ((run_address + run_size + pad_bytes) > (c->base + c->size)) + break; + padding[section_last] = pad_bytes; + run_size += image->sections[++section_last].size; + run_size += pad_bytes; + padding[section_last] = 0; + + LOG_INFO("Padding image section %d with %d bytes", section_last-1, pad_bytes ); + } + + /* fit the run into bank constraints */ + if (run_address + run_size - 1 > c->base + c->size - 1) + { + LOG_WARNING("writing %d bytes only - as image section is %d bytes and bank is only %d bytes", \ + c->base + c->size - run_address, run_size, c->size); + run_size = c->base + c->size - run_address; + } + + /* allocate buffer */ + buffer = malloc(run_size); + buffer_size = 0; + + /* read sections to the buffer */ + while (buffer_size < run_size) + { + u32 size_read; + + size_read = run_size - buffer_size; + if (size_read > image->sections[section].size - section_offset) + size_read = image->sections[section].size - section_offset; + + if ((retval = image_read_section(image, section, section_offset, + size_read, buffer + buffer_size, &size_read)) != ERROR_OK || size_read == 0) + { + free(buffer); + free(padding); + return retval; + } + + /* see if we need to pad the section */ + while (padding[section]--) + (buffer+buffer_size)[size_read++] = 0xff; + + buffer_size += size_read; + section_offset += size_read; + + if (section_offset >= image->sections[section].size) + { + section++; + section_offset = 0; + } + } + + retval = ERROR_OK; + + if (erase) + { + /* calculate and erase sectors */ + retval = flash_erase_address_range( target, run_address, run_size ); + } + + if (retval == ERROR_OK) + { + /* write flash sectors */ + retval = flash_driver_write(c, buffer, run_address - c->base, run_size); + } + + free(buffer); + + if (retval != ERROR_OK) + { + free(padding); + return retval; /* abort operation */ + } + + if (written != NULL) + *written += run_size; /* add run size to total written counter */ + } + + free(padding); + + return retval; +} + +int default_flash_mem_blank_check(struct flash_bank_s *bank) +{ + target_t *target = bank->target; + u8 buffer[1024]; + int buffer_size = sizeof(buffer); + int i; + u32 nBytes; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + for (i = 0; i < bank->num_sectors; i++) + { + u32 j; + bank->sectors[i].is_erased = 1; + + for (j = 0; j < bank->sectors[i].size; j += buffer_size) + { + u32 chunk; + int retval; + chunk = buffer_size; + if (chunk > (j - bank->sectors[i].size)) + { + chunk = (j - bank->sectors[i].size); + } + + retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer); + if (retval != ERROR_OK) + return retval; + + for (nBytes = 0; nBytes < chunk; nBytes++) + { + if (buffer[nBytes] != 0xFF) + { + bank->sectors[i].is_erased = 0; + break; + } + } + } + } + + return ERROR_OK; +} + +int default_flash_blank_check(struct flash_bank_s *bank) +{ + target_t *target = bank->target; + int i; + int retval; + int fast_check = 0; + u32 blank; + + if (bank->target->state != TARGET_HALTED) + { + LOG_ERROR("Target not halted"); + return ERROR_TARGET_NOT_HALTED; + } + + for (i = 0; i < bank->num_sectors; i++) + { + u32 address = bank->base + bank->sectors[i].offset; + u32 size = bank->sectors[i].size; + + if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK) + { + fast_check = 0; + break; + } + if (blank == 0xFF) + bank->sectors[i].is_erased = 1; + else + bank->sectors[i].is_erased = 0; + fast_check = 1; + } + + if (!fast_check) + { + LOG_USER("Running slow fallback erase check - add working memory"); + return default_flash_mem_blank_check(bank); + } + + return ERROR_OK; +}