- fixed several bugs in flash writing code (thanks to Pavel Chromy)

git-svn-id: svn://svn.berlios.de/openocd/trunk@196 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
drath 2007-08-16 09:09:44 +00:00
parent 708535960c
commit c35cc0b8b7
3 changed files with 158 additions and 130 deletions

View File

@ -514,9 +514,9 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
target_t *target = get_current_target(cmd_ctx);
image_t image;
u32 image_size;
u32 written;
char *error_str;
u32 *failed;
int *failed;
int i;
@ -564,9 +564,9 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
return ERROR_OK;
}
failed = malloc(sizeof(u32) * image.num_sections);
failed = malloc(sizeof(int) * image.num_sections);
if ((retval = flash_write(target, &image, &image_size, &error_str, failed)) != ERROR_OK)
if ((retval = flash_write(target, &image, &written, &error_str, failed)) != ERROR_OK)
{
command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
free(error_str);
@ -583,8 +583,8 @@ int handle_flash_write_image_command(struct command_context_s *cmd_ctx, char *cm
duration_stop_measure(&duration, &duration_text);
command_print(cmd_ctx, "wrote %u byte from file %s in %s (%f kb/s)",
image_size, args[0], duration_text,
(float)image_size / 1024.0 / ((float)duration.duration.tv_sec + ((float)duration.duration.tv_usec / 1000000.0)));
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);
@ -736,132 +736,160 @@ int flash_erase(target_t *target, u32 addr, u32 length)
return c->driver->erase(c, first, last);
}
int flash_write(target_t *target, image_t *image, u32 *image_size, char **error_str, u32 *failed)
/* write an image to flash memory of the given target */
int flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed)
{
int last_section;
int section;
int next_section;
int retval;
*image_size = 0;
/* for each section in the image */
last_section = 0;
int i;
int section;
u32 section_offset;
section = 0;
section_offset = 0;
if (written)
*written = 0;
if (failed != NULL)
for (i = 0; i < image->num_sections; i++)
failed[i] = 0;
/* loop until we reach end of the image */
while (section < image->num_sections)
{
u32 offset = 0;
u32 address = image->sections[section].base_address;
u32 size = image->sections[section].size;
/* collect consecutive sections */
next_section = section + 1;
while ((next_section < image->num_sections)
&& (image->sections[next_section].base_address == (address + size)))
{
size += image->sections[next_section].size;
next_section++;
}
while (size != 0)
{
flash_bank_t *c;
u32 thisrun_size = size;
u32 buffer_size;
u32 size_read;
u8 *buffer;
/* find the corresponding flash bank */
if ((c = get_flash_bank_by_addr(target, address)) == NULL)
{
/* mark as failed, and skip the current section */
failed[section] = 1;
break;
}
/* check whether cumulated sections fit the bank, split into multiple runs if not */
if ((address + size) > (c->base + c->size))
thisrun_size = c->base + c->size - address;
flash_bank_t *c;
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;
buffer = malloc(thisrun_size);
buffer_size = 0;
while (buffer_size < thisrun_size)
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)
{
if (failed == NULL)
{
u32 thissection_size = image->sections[section].size - offset;
if ((retval = image_read_section(image, section, offset,
MIN(thisrun_size, thissection_size),
buffer + buffer_size, &size_read)) != ERROR_OK)
{
*error_str = malloc(FLASH_MAX_ERROR_STR);
snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
}
/* see if we're done with the current section */
if (thissection_size < thisrun_size)
{
/* start with the next section */
offset = 0;
failed[section] = 0;
section++;
}
else
{
/* continue inside the current section */
offset += size_read;
}
buffer_size += size_read;
}
if ((retval = c->driver->write(c, buffer, address - c->base, thisrun_size)) != ERROR_OK)
{
int i;
/* mark sections as failed */
for (i = last_section; i <= section; i++)
failed[i] = 1;
if (error_str == NULL)
return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
*error_str = malloc(FLASH_MAX_ERROR_STR);
switch (retval)
{
case ERROR_TARGET_NOT_HALTED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
break;
case ERROR_INVALID_ARGUMENTS:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
break;
case ERROR_FLASH_OPERATION_FAILED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
break;
case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
break;
case ERROR_FLASH_DST_OUT_OF_BANK:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
break;
case ERROR_FLASH_SECTOR_NOT_ERASED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
break;
default:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
}
snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
return ERROR_FLASH_DST_OUT_OF_BANK; /* abort operation */
}
failed[section] = ERROR_FLASH_DST_OUT_OF_BANK; /* mark the section as failed */
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))
break;
if (image->sections[section_last + 1].base_address < (run_address + run_size))
WARNING("section %d out of order", section_last + 1);
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);
/* abort operation */
return retval;
if (error_str == NULL)
return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
*error_str = malloc(FLASH_MAX_ERROR_STR);
/* if image_read_section returned an error there's an error string we can pass on */
if (retval != ERROR_OK)
snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image: %s", image->error_str);
else
snprintf(*error_str, FLASH_MAX_ERROR_STR, "error reading from image");
return ERROR_IMAGE_TEMPORARILY_UNAVAILABLE;
}
buffer_size += size_read;
section_offset += size_read;
if (section_offset >= image->sections[section].size)
{
section++;
section_offset = 0;
}
free(buffer);
address += thisrun_size;
size -= thisrun_size;
*image_size += thisrun_size;
last_section = section;
}
retval = c->driver->write(c, buffer, run_address - c->base, run_size);
free(buffer);
if (retval != ERROR_OK)
{
if (error_str == NULL)
return retval; /* abort operation */
*error_str = malloc(FLASH_MAX_ERROR_STR);
switch (retval)
{
case ERROR_TARGET_NOT_HALTED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "can't flash image while target is running");
break;
case ERROR_INVALID_ARGUMENTS:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash driver can't fulfill request");
break;
case ERROR_FLASH_OPERATION_FAILED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "flash program error");
break;
case ERROR_FLASH_DST_BREAKS_ALIGNMENT:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "offset breaks required alignment");
break;
case ERROR_FLASH_DST_OUT_OF_BANK:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "no flash mapped at requested address");
break;
case ERROR_FLASH_SECTOR_NOT_ERASED:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "destination sector(s) not erased");
break;
default:
snprintf(*error_str, FLASH_MAX_ERROR_STR, "unknown error: %i", retval);
}
return retval; /* abort operation */
}
if (written != NULL)
*written += run_size; /* add run size to total written counter */
}
return ERROR_OK;
}

View File

@ -67,7 +67,7 @@ extern int flash_register_commands(struct command_context_s *cmd_ctx);
extern int flash_init(struct command_context_s *cmd_ctx);
extern int flash_erase(target_t *target, u32 addr, u32 length);
extern int flash_write(target_t *target, image_t *image, u32 *image_size, char **error, u32 *failed);
extern int flash_write(target_t *target, image_t *image, u32 *written, char **error, int *failed);
extern flash_bank_t *get_flash_bank_by_num(int num);
extern flash_bank_t *get_flash_bank_by_addr(target_t *target, u32 addr);

View File

@ -1270,29 +1270,29 @@ int gdb_v_packet(connection_t *connection, target_t *target, char *packet, int p
if (!strcmp(packet, "vFlashDone"))
{
u32 image_size;
u32 written;
char *error_str;
u32 *failed = malloc(sizeof(u32) * gdb_connection->vflash_image->num_sections);
/* process the flashing buffer */
if ((result = flash_write(gdb_service->target, gdb_connection->vflash_image, &image_size, &error_str, failed)) != ERROR_OK)
if ((result = flash_write(gdb_service->target, gdb_connection->vflash_image, &written, &error_str, NULL)) != ERROR_OK)
{
if (result == ERROR_FLASH_DST_OUT_OF_BANK)
gdb_put_packet(connection, "E.memtype", 9);
else
gdb_send_error(connection, EIO);
ERROR("flash writing failed: %s", error_str);
free(error_str);
if (error_str)
{
ERROR("flash writing failed: %s", error_str);
free(error_str);
}
}
else
{
DEBUG("wrote %u bytes from vFlash image to flash", image_size);
DEBUG("wrote %u bytes from vFlash image to flash", written);
gdb_put_packet(connection, "OK", 2);
}
free(failed);
image_close(gdb_connection->vflash_image);
free(gdb_connection->vflash_image);
gdb_connection->vflash_image = NULL;