* 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 *
#endif
#include "flash.h"
-#include "command.h"
-#include "target.h"
-#include "time_support.h"
-#include "fileio.h"
-#include "image.h"
-#include "log.h"
-#include "armv4_5.h"
-#include "algorithm.h"
-#include "binarybuffer.h"
-#include "armv7m.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_fill_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);
-flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);
+#include "common.h"
+#include <target/image.h>
+#include <helper/time_support.h>
/* 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;
-extern flash_driver_t ecosflash_flash;
-extern flash_driver_t lpc288x_flash;
-
-flash_driver_t *flash_drivers[] =
-{
+extern struct flash_driver lpc2000_flash;
+extern struct flash_driver lpc288x_flash;
+extern struct flash_driver lpc2900_flash;
+extern struct flash_driver cfi_flash;
+extern struct flash_driver at91sam3_flash;
+extern struct flash_driver at91sam7_flash;
+extern struct flash_driver str7x_flash;
+extern struct flash_driver str9x_flash;
+extern struct flash_driver aduc702x_flash;
+extern struct flash_driver stellaris_flash;
+extern struct flash_driver str9xpec_flash;
+extern struct flash_driver stm32x_flash;
+extern struct flash_driver tms470_flash;
+extern struct flash_driver ecosflash_flash;
+extern struct flash_driver ocl_flash;
+extern struct flash_driver pic32mx_flash;
+extern struct flash_driver avr_flash;
+extern struct flash_driver faux_flash;
+
+struct flash_driver *flash_drivers[] = {
&lpc2000_flash,
+ &lpc288x_flash,
+ &lpc2900_flash,
&cfi_flash,
&at91sam7_flash,
+ &at91sam3_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,
+ &faux_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;
-}
+struct flash_bank *flash_banks;
-
-int flash_register_commands(struct command_context_s *cmd_ctx)
+struct flash_bank *get_flash_bank_by_num_noprobe(int num)
{
- 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 ...]");
- 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, "fillw", handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern <address> <word_pattern> <count>");
- register_command(cmd_ctx, flash_cmd, "fillh", handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern <address> <halfword_pattern> <count>");
- register_command(cmd_ctx, flash_cmd, "fillb", handle_flash_fill_command, COMMAND_EXEC,
- "fill with pattern <address> <byte_pattern> <count>");
-
- 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 [erase] <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;
+ struct flash_bank *p;
int i = 0;
for (p = flash_banks; p; p = p->next)
return NULL;
}
-int flash_get_bank_count()
+int flash_get_bank_count(void)
{
- flash_bank_t *p;
+ struct flash_bank *p;
int i = 0;
for (p = flash_banks; p; p = p->next)
{
return i;
}
-flash_bank_t *get_flash_bank_by_num(int num)
+struct flash_bank *get_flash_bank_by_name(const char *name)
{
- flash_bank_t *p = get_flash_bank_by_num_noprobe(num);
- int retval;
+ unsigned requested = get_flash_name_index(name);
+ unsigned found = 0;
- if (p == NULL)
- return NULL;
-
- retval = p->driver->auto_probe(p);
-
- if (retval != ERROR_OK)
+ struct flash_bank *bank;
+ for (bank = flash_banks; NULL != bank; bank = bank->next)
{
- LOG_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)
- {
- LOG_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)
- {
- LOG_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)
- {
- LOG_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)
- {
- LOG_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;
- 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#%i: 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;
-}
-
-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)
- {
- int j;
- 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);
- }
-
- 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#%i: 0x%8.8x (0x%x %ikB) %s",
- j, p->sectors[j].offset, p->sectors[j].size, p->sectors[j].size>>10,
- erase_state);
- }
-
+ if (strcmp(bank->name, name) == 0)
+ return bank;
+ if (!flash_driver_name_matches(bank->driver->name, name))
+ continue;
+ if (++found < requested)
+ continue;
+ return bank;
}
-
- return ERROR_OK;
+ return NULL;
}
-int handle_flash_erase_address_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+struct flash_bank *get_flash_bank_by_num(int num)
{
- flash_bank_t *p;
+ struct flash_bank *p = get_flash_bank_by_num_noprobe(num);
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;
- }
-
- /* 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;
+ return NULL;
- retval = image_open(&image, args[0], (argc == 3) ? args[2] : NULL);
- if (retval != ERROR_OK)
- {
- return retval;
- }
+ retval = p->driver->auto_probe(p);
- 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_fill_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- int err = ERROR_OK;
- u32 address;
- u32 pattern;
- u32 count;
- u8 chunk[1024];
- u32 wrote = 0;
- int chunk_count;
- char *duration_text;
- duration_t duration;
- target_t *target = get_current_target(cmd_ctx);
- u32 i;
- int 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);
-
- flash_set_dirty();
- err = flash_erase_address_range( target, address, count*wordsize );
- if (err == ERROR_OK)
- {
- for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
- {
- int cur_size = MIN( (count*wordsize - wrote) , 1024 );
- if (err == ERROR_OK)
- {
- flash_bank_t *bank;
- bank = get_flash_bank_by_addr(target, address);
- if(bank == NULL)
- {
- err = ERROR_FAIL;
- break;
- }
- err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
- wrote += cur_size;
- }
- if (err!=ERROR_OK)
- break;
- }
- }
-
- duration_stop_measure(&duration, &duration_text);
-
- if(err == ERROR_OK)
- {
- float speed;
- speed=wrote / 1024.0;
- speed/=((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0));
- command_print(cmd_ctx, "wrote %d bytes to 0x%8.8x in %s (%f kb/s)",
- count*wordsize, address, duration_text,
- speed);
- }
- free(duration_text);
- return ERROR_OK;
-}
-
-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)
- {
- return ERROR_OK;
- }
-
- buffer = malloc(fileio.size);
- if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
- {
- 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;
- }
+ LOG_ERROR("auto_probe failed %d\n", retval);
+ return NULL;
}
+ return p;
}
/* lookup flash bank by address */
-flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr)
+struct flash_bank *get_flash_bank_by_addr(struct target *target, uint32_t addr)
{
- flash_bank_t *c;
+ struct flash_bank *c;
/* cycle through bank list */
for (c = flash_banks; c; c = c->next)
return NULL;
}
/* check whether address belongs to this flash bank */
- if ((addr >= c->base) && (addr < c->base + c->size) && target == c->target)
+ 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);
+ LOG_ERROR("No flash at address 0x%08" PRIx32 "\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)
+int default_flash_mem_blank_check(struct flash_bank *bank)
{
- flash_bank_t *c;
- int first = -1;
- int last = -1;
+ struct target *target = bank->target;
+ const int buffer_size = 1024;
int i;
+ uint32_t nBytes;
+ int retval = ERROR_OK;
- 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)
+ if (bank->target->state != TARGET_HALTED)
{
- /* 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);
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
}
- /* check whether it fits */
- if (addr + length > c->base + c->size)
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
+ uint8_t *buffer = malloc(buffer_size);
- addr -= c->base;
-
- for (i = 0; i < c->num_sectors; i++)
+ for (i = 0; i < bank->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;
+ uint32_t j;
+ bank->sectors[i].is_erased = 1;
- 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)
- {
- 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)
+ for (j = 0; j < bank->sectors[i].size; j += buffer_size)
{
- 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))
+ uint32_t chunk;
+ chunk = buffer_size;
+ if (chunk > (j - bank->sectors[i].size))
{
- LOG_DEBUG("section %d out of order(very slightly surprising, but supported)", section_last + 1);
- break;
+ chunk = (j - bank->sectors[i].size);
}
- 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)
+ retval = target_read_memory(target, bank->base + bank->sectors[i].offset + j, 4, chunk/4, buffer);
+ if (retval != ERROR_OK)
{
- free(buffer);
-
- return retval;
+ goto done;
}
- buffer_size += size_read;
- section_offset += size_read;
-
- if (section_offset >= image->sections[section].size)
+ for (nBytes = 0; nBytes < chunk; nBytes++)
{
- section++;
- section_offset = 0;
+ if (buffer[nBytes] != 0xFF)
+ {
+ bank->sectors[i].is_erased = 0;
+ break;
+ }
}
}
-
- 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 */
}
+ done:
+ free(buffer);
+
return retval;
}
-int default_flash_blank_check(struct flash_bank_s *bank)
+int default_flash_blank_check(struct flash_bank *bank)
{
- target_t *target = bank->target;
- u8 buffer[1024];
- int buffer_size=sizeof(buffer);
+ struct target *target = bank->target;
int i;
- int nBytes;
-
+ int retval;
+ int fast_check = 0;
+ uint32_t blank;
+
if (bank->target->state != TARGET_HALTED)
{
+ LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}
-
- int retval;
- int fast_check=0;
- working_area_t *erase_check_algorithm;
-#if 0
- /* FIX! doesn't work yet... */
- /*
- char test(char *a, int len, char t)
- {
- int i=0;
-
- for (i=0; i<len; i++)
- {
- t&=a[i];
-
- }
- }
-
- $ arm-elf-gcc -c -mthumb -O3 test.c
-
- $ arm-elf-objdump --disassemble test.o
-
- test.o: file format elf32-littlearm
-
- Disassembly of section .text:
-
- 00000000 <test>:
- 0: b510 push {r4, lr}
- 2: 0612 lsl r2, r2, #24
- 4: 1c04 mov r4, r0 (add r4, r0, #0)
- 6: 0e10 lsr r0, r2, #24
- 8: 2200 mov r2, #0
- a: 2900 cmp r1, #0
- c: dd04 ble 18 <test+0x18>
- e: 5ca3 ldrb r3, [r4, r2]
- 10: 3201 add r2, #1
- 12: 4018 and r0, r3
- 14: 428a cmp r2, r1
- 16: dbfa blt e <test+0xe>
- 18: bd10 pop {r4, pc}
- 1a: 46c0 nop (mov r8, r8)
-
-
- */
- u16 erase_check_code[] =
- {
- 0x0612,// lsl r2, r2, #24
- 0x1c04,// mov r4, r0 (add r4, r0, #0)
- 0x0e10,// lsr r0, r2, #24
- 0x2200,// mov r2, #0
- 0x2900,// cmp r1, #0
- 0xdd04,// ble 18 <test+0x18>
- 0x5ca3,// ldrb r3, [r4, r2]
- 0x3201,// add r2, #1
- 0x4018,// and r0, r3
- 0x428a,// cmp r2, r1
- 0xdbfa,// blt e <test+0xe>
- 0x46c0,// nop (mov r8, r8)
-
- };
-
-
- /* make sure we have a working area */
- if (target_alloc_working_area(target, ((sizeof(erase_check_code)+3)/4)*4, &erase_check_algorithm) != ERROR_OK)
- {
- erase_check_algorithm = NULL;
- }
-
- if (erase_check_algorithm)
+ for (i = 0; i < bank->num_sectors; i++)
{
- u8 erase_check_code_buf[((sizeof(erase_check_code)+3)/4)*4];
- LOG_DEBUG("Running fast flash erase check");
-
- for (i = 0; i < sizeof(erase_check_code)/sizeof(*erase_check_code); i++)
- target_buffer_set_u16(target, erase_check_code_buf + (i*2), erase_check_code[i]);
+ uint32_t address = bank->base + bank->sectors[i].offset;
+ uint32_t size = bank->sectors[i].size;
- /* write algorithm code to working area */
- if ((retval=target->type->write_memory(target, erase_check_algorithm->address, 2, sizeof(erase_check_code)/sizeof(*erase_check_code), erase_check_code_buf))==ERROR_OK)
+ if ((retval = target_blank_check_memory(target, address, size, &blank)) != ERROR_OK)
{
- for (i = 0; i < bank->num_sectors; i++)
- {
- u32 address = bank->base + bank->sectors[i].offset;
- u32 size = bank->sectors[i].size;
-
- reg_param_t reg_params[3];
- armv7m_algorithm_t arm_info;
-
- arm_info.common_magic = ARMV7M_COMMON_MAGIC;
- arm_info.core_mode = ARMV7M_MODE_ANY;
- arm_info.core_state = ARMV7M_STATE_THUMB;
-
- init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
- buf_set_u32(reg_params[0].value, 0, 32, address);
-
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
- buf_set_u32(reg_params[1].value, 0, 32, size);
-
- init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT);
- buf_set_u32(reg_params[2].value, 0, 32, 0xff);
-
- if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params, erase_check_algorithm->address,
- erase_check_algorithm->address + sizeof(erase_check_code) - 2, 10000, &arm_info)) != ERROR_OK)
- break;
-
- if (buf_get_u32(reg_params[2].value, 0, 32) == 0xff)
- bank->sectors[i].is_erased = 1;
- else
- bank->sectors[i].is_erased = 0;
-
- destroy_reg_param(®_params[0]);
- destroy_reg_param(®_params[1]);
- destroy_reg_param(®_params[2]);
- }
- if (i == bank->num_sectors)
- {
- fast_check = 1;
- }
- }
- target_free_working_area(target, erase_check_algorithm);
- }
-#endif
- if (!fast_check)
- {
- /* try ARM7 instead */
-
- u32 erase_check_code[] =
- {
- 0xe4d03001, /* ldrb r3, [r0], #1 */
- 0xe0022003, /* and r2, r2, r3 */
- 0xe2511001, /* subs r1, r1, #1 */
- 0x1afffffb, /* b -4 */
- 0xeafffffe /* b 0 */
- };
-
- /* make sure we have a working area */
- if (target_alloc_working_area(target, 20, &erase_check_algorithm) == ERROR_OK)
- {
- u8 erase_check_code_buf[5 * 4];
-
- for (i = 0; i < 5; i++)
- target_buffer_set_u32(target, erase_check_code_buf + (i*4), erase_check_code[i]);
-
- /* write algorithm code to working area */
- if ((retval=target->type->write_memory(target, erase_check_algorithm->address, 4, 5, erase_check_code_buf))==ERROR_OK)
- {
- for (i = 0; i < bank->num_sectors; i++)
- {
- u32 address = bank->base + bank->sectors[i].offset;
- u32 size = bank->sectors[i].size;
-
- reg_param_t reg_params[3];
- armv4_5_algorithm_t armv4_5_info;
-
- armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
- armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
- armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-
- init_reg_param(®_params[0], "r0", 32, PARAM_OUT);
- buf_set_u32(reg_params[0].value, 0, 32, address);
-
- init_reg_param(®_params[1], "r1", 32, PARAM_OUT);
- buf_set_u32(reg_params[1].value, 0, 32, size);
-
- init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT);
- buf_set_u32(reg_params[2].value, 0, 32, 0xff);
-
- if ((retval = target->type->run_algorithm(target, 0, NULL, 3, reg_params,
- erase_check_algorithm->address, erase_check_algorithm->address + 0x10, 10000, &armv4_5_info)) != ERROR_OK)
- break;
-
- if (buf_get_u32(reg_params[2].value, 0, 32) == 0xff)
- bank->sectors[i].is_erased = 1;
- else
- bank->sectors[i].is_erased = 0;
-
- destroy_reg_param(®_params[0]);
- destroy_reg_param(®_params[1]);
- destroy_reg_param(®_params[2]);
- }
- if (i == bank->num_sectors)
- {
- fast_check = 1;
- }
- }
- target_free_working_area(target, erase_check_algorithm);
+ 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");
- for (i = 0; i < bank->num_sectors; i++)
- {
- int j;
- bank->sectors[i].is_erased = 1;
-
- for (j=0; j<bank->sectors[i].size; j+=buffer_size)
- {
- int chunk;
- int retval;
- chunk=buffer_size;
- if (chunk>(j-bank->sectors[i].size))
- {
- chunk=(j-bank->sectors[i].size);
- }
-
- retval=target->type->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 default_flash_mem_blank_check(bank);
}
-
+
return ERROR_OK;
}
Code Review / openocd.git / blobdiff