diff options
Diffstat (limited to 'src/flash/flash.c')
-rw-r--r-- | src/flash/flash.c | 1890 |
1 files changed, 945 insertions, 945 deletions
diff --git a/src/flash/flash.c b/src/flash/flash.c index 416cac4..2fefb4c 100644 --- a/src/flash/flash.c +++ b/src/flash/flash.c @@ -1,945 +1,945 @@ -/***************************************************************************
- * 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 <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-#include <inttypes.h>
-
-/* 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> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]");
- register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY,
- "auto erase flash sectors <on|off>");
- 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 <num>");
- register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC,
- "identify flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC,
- "check erase state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC,
- "check protection state of sectors in flash bank <num>");
- register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC,
- "erase sectors at <bank> <first> <last>");
- register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC,
- "erase address range <address> <length>");
- register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC,
- "write binary data to <bank> <file> <offset>");
- register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC,
- "write_image <file> [offset] [type]");
- register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC,
- "set protection of sectors at <bank> <first> <last> <on|off>");
- }
-
- 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 * + * * + * 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 <string.h> +#include <unistd.h> +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> +#include <inttypes.h> + +/* 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> <base> <size> <chip_width> <bus_width> <target> [driver_options ...]"); + register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_ANY, + "auto erase flash sectors <on|off>"); + 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 <num>"); + register_command(cmd_ctx, flash_cmd, "probe", handle_flash_probe_command, COMMAND_EXEC, + "identify flash bank <num>"); + register_command(cmd_ctx, flash_cmd, "erase_check", handle_flash_erase_check_command, COMMAND_EXEC, + "check erase state of sectors in flash bank <num>"); + register_command(cmd_ctx, flash_cmd, "protect_check", handle_flash_protect_check_command, COMMAND_EXEC, + "check protection state of sectors in flash bank <num>"); + register_command(cmd_ctx, flash_cmd, "erase_sector", handle_flash_erase_command, COMMAND_EXEC, + "erase sectors at <bank> <first> <last>"); + register_command(cmd_ctx, flash_cmd, "erase_address", handle_flash_erase_address_command, COMMAND_EXEC, + "erase address range <address> <length>"); + register_command(cmd_ctx, flash_cmd, "write_bank", handle_flash_write_bank_command, COMMAND_EXEC, + "write binary data to <bank> <file> <offset>"); + register_command(cmd_ctx, flash_cmd, "write_image", handle_flash_write_image_command, COMMAND_EXEC, + "write_image <file> [offset] [type]"); + register_command(cmd_ctx, flash_cmd, "protect", handle_flash_protect_command, COMMAND_EXEC, + "set protection of sectors at <bank> <first> <last> <on|off>"); + } + + 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; +} |