* 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>
+#include "time_support.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);
+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 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 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[] =
-{
+flash_driver_t *flash_drivers[] = {
&lpc2000_flash,
&cfi_flash,
&at91sam7_flash,
&str7x_flash,
&str9x_flash,
+ &aduc702x_flash,
&stellaris_flash,
&str9xpec_flash,
&stm32x_flash,
&ecosflash_flash,
&lpc288x_flash,
&ocl_flash,
+ &pic32mx_flash,
+ &avr_flash,
NULL,
};
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, "bank", handle_flash_bank_command, COMMAND_CONFIG, "flash bank <driver> <base> <size> <chip_width> <bus_width> <target> [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, "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,
"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>");
+ "fill with pattern
(no autoerase) <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,
return NULL;
}
-int flash_get_bank_count()
+int flash_get_bank_count(void)
{
flash_bank_t *p;
int i = 0;
return p;
}
-int handle_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+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;
return ERROR_COMMAND_SYNTAX_ERROR;
}
- if ((target = get_target_by_num(strtoul(args[5], NULL, 0))) == NULL)
+ if ((target = get_target(args[5])) == NULL)
{
- LOG_ERROR("target %lu not defined", strtoul(args[5], NULL, 0));
- return ERROR_OK;
+ LOG_ERROR("target '%s' not defined", args[5]);
+ return ERROR_FAIL;
}
for (i = 0; flash_drivers[i]; i++)
if (flash_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
{
LOG_ERROR("couldn't register '%s' commands", args[0]);
- exit(-1);
+ return ERROR_FAIL;
}
c = malloc(sizeof(flash_bank_t));
c->sectors = NULL;
c->next = NULL;
- if (flash_drivers[i]->flash_bank_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
+ 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 ERROR_OK;
+ 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);
+ 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;
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_FAIL;
}
return ERROR_OK;
}
-int handle_flash_info_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)
{
flash_bank_t *p;
- int i = 0;
+ u32 i = 0;
int j = 0;
int retval;
else
protect_state = "protection state unknown";
- command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
+ 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);
}
return ERROR_OK;
}
-int handle_flash_probe_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)
{
flash_bank_t *p;
int retval;
return ERROR_OK;
}
-int handle_flash_erase_check_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)
{
flash_bank_t *p;
int retval;
int j;
if ((retval = p->driver->erase_check(p)) == ERROR_OK)
{
- command_print(cmd_ctx, "successfully checked erase state", p->driver->name, p->base);
+ 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;
else
erase_state = "erase state unknown";
- command_print(cmd_ctx, "\t#%i: 0x%8.8x (0x%x %ikB) %s",
+ 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;
}
-int handle_flash_erase_address_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)
{
flash_bank_t *p;
int retval;
p = get_flash_bank_by_addr(target, address);
if (p == NULL)
{
- return ERROR_COMMAND_SYNTAX_ERROR;
+ return ERROR_FAIL;
}
/* We can't know if we did a resume + halt, in which case we no longer know the erased state */
if ((retval = flash_erase_address_range(target, address, length)) == ERROR_OK)
{
- duration_stop_measure(&duration, &duration_text);
+ 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;
}
-int handle_flash_protect_check_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)
{
flash_bank_t *p;
int retval;
return ERROR_OK;
}
-int handle_flash_erase_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)
{
if (argc > 2)
{
if ((retval = flash_driver_erase(p, first, last)) == ERROR_OK)
{
- duration_stop_measure(&duration, &duration_text);
+ if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
+ {
+ return retval;
+ }
- command_print(cmd_ctx, "erased sectors %i through %i on flash bank %i in %s", first, last, strtoul(args[0], 0, 0), duration_text);
+ 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);
}
}
return ERROR_OK;
}
-int handle_flash_protect_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)
{
if (argc > 3)
{
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));
+ 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_OK;
}
-int handle_flash_write_image_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)
{
target_t *target = get_current_target(cmd_ctx);
duration_t duration;
char *duration_text;
- int retval;
+ 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;
argc--;
command_print(cmd_ctx, "auto erase enabled");
}
-
if (argc < 1)
{
return ERROR_COMMAND_SYNTAX_ERROR;
}
-
+
if (!target)
{
LOG_ERROR("no target selected");
return retval;
}
- duration_stop_measure(&duration, &duration_text);
+ 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)",
return retval;
}
-int handle_flash_fill_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)
{
- int err = ERROR_OK;
+ int err = ERROR_OK, retval;
u32 address;
u32 pattern;
u32 count;
u8 chunk[1024];
+ u8 readback[1024];
u32 wrote = 0;
- int chunk_count;
+ u32 cur_size = 0;
+ u32 chunk_count;
char *duration_text;
duration_t duration;
target_t *target = get_current_target(cmd_ctx);
u32 i;
- int wordsize;
-
+ 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':
default:
return ERROR_COMMAND_SYNTAX_ERROR;
}
-
+
chunk_count = MIN(count, (1024 / wordsize));
switch(wordsize)
{
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 += cur_size)
{
- for (wrote=0; wrote<(count*wordsize); wrote+=sizeof(chunk))
- {
- int cur_size = MIN( (count*wordsize - wrote) , 1024 );
- if (err == ERROR_OK)
+ 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; i<cur_size; i++)
+ {
+ if (readback[i]!=chunk[i])
{
- 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;
+ LOG_ERROR("Verfication error address 0x%08x, read back 0x%02x, expected 0x%02x", address + wrote + i, readback[i], chunk[i]);
+ return ERROR_FAIL;
}
- if (err!=ERROR_OK)
- break;
}
+
+ }
+
+ if ((retval = duration_stop_measure(&duration, &duration_text)) != ERROR_OK)
+ {
+ return retval;
}
-
- duration_stop_measure(&duration, &duration_text);
if(err == ERROR_OK)
{
return ERROR_OK;
}
-int handle_flash_write_bank_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)
{
u32 offset;
u8 *buffer;
duration_t duration;
char *duration_text;
- int retval;
+ int retval, retvaltemp;
flash_bank_t *p;
if (argc != 3)
buffer = malloc(fileio.size);
if (fileio_read(&fileio, fileio.size, buffer, &buf_cnt) != ERROR_OK)
{
+ free(buffer);
+ fileio_close(&fileio);
return ERROR_OK;
}
retval = flash_driver_write(p, buffer, offset, buf_cnt);
free(buffer);
+ buffer = NULL;
- duration_stop_measure(&duration, &duration_text);
- if (retval!=ERROR_OK)
+ if ((retvaltemp = duration_stop_measure(&duration, &duration_text)) != 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_close(&fileio);
+ return retvaltemp;
+ }
+ if (retval==ERROR_OK)
+ {
+ command_print(cmd_ctx, "wrote %lld byte from file %s to flash bank %li 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)));
}
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);
}
/* check whether it fits */
- if (addr + length > c->base + c->size)
+ if (addr + length - 1 > c->base + c->size - 1)
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
addr -= c->base;
int section;
u32 section_offset;
flash_bank_t *c;
+ int *padding;
section = 0;
section_offset = 0;
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)
{
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)
{
/* collect consecutive sections which fall into the same bank */
section_first = section;
section_last = section;
- while ((run_address + run_size < c->base + c->size)
+ 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 (image->sections[section_last + 1].base_address != (run_address + run_size))
+ /* 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 > c->base + c->size)
+ 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);
{
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;
+ 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 (retval != ERROR_OK)
{
+ free(padding);
return retval; /* abort operation */
}
*written += run_size; /* add run size to total written counter */
}
+ free(padding);
+
return retval;
}
-int default_flash_blank_check(struct flash_bank_s *bank)
+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 buffer_size = sizeof(buffer);
int i;
- int nBytes;
-
+ u32 nBytes;
+
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)
- {
- 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]);
-
- /* 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)
+
+ 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)
{
- for (i = 0; i < bank->num_sectors; i++)
+ u32 chunk;
+ int retval;
+ chunk = buffer_size;
+ if (chunk > (j - bank->sectors[i].size))
{
- 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]);
+ chunk = (j - bank->sectors[i].size);
}
- if (i == bank->num_sectors)
+
+ 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++)
{
- fast_check = 1;
+ if (buffer[nBytes] != 0xFF)
+ {
+ bank->sectors[i].is_erased = 0;
+ break;
+ }
}
- }
- target_free_working_area(target, erase_check_algorithm);
+ }
}
-#endif
- if (!fast_check)
+
+ 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)
{
- /* 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];
+ LOG_ERROR("Target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
- for (i = 0; i < 5; i++)
- target_buffer_set_u32(target, erase_check_code_buf + (i*4), erase_check_code[i]);
+ for (i = 0; i < bank->num_sectors; i++)
+ {
+ u32 address = bank->base + bank->sectors[i].offset;
+ u32 size = bank->sectors[i].size;
- /* 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);
+ 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");
- 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;
}
projects / fw / openocd / blobdiff