int handle_flash_write_binary_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 drivers
*/
flash_bank_t *flash_banks;
static command_t *flash_cmd;
+static int auto_erase = 0;
int flash_register_commands(struct command_context_s *cmd_ctx)
{
"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>");
+ register_command(cmd_ctx, flash_cmd, "auto_erase", handle_flash_auto_erase_command, COMMAND_EXEC,
+ "auto erase flash sectors <on|off>");
}
return ERROR_OK;
failed = malloc(sizeof(int) * image.num_sections);
- if ((retval = flash_write(target, &image, &written, &error_str, failed)) != ERROR_OK)
+ if ((retval = flash_write(target, &image, &written, &error_str, failed, auto_erase)) != ERROR_OK)
{
command_print(cmd_ctx, "failed writing image %s: %s", args[0], error_str);
free(error_str);
int flash_erase(target_t *target, u32 addr, u32 length)
{
flash_bank_t *c;
- unsigned long sector_size;
- int first;
- int last;
-
+ 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 */
-
- /* sanity checks */
- if (c->size == 0 || c->num_sectors == 0 || c->size % c->num_sectors)
- return ERROR_FLASH_BANK_INVALID;
+ 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 */
/* check whether it fits */
if (addr + length > c->base + c->size)
- return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-
- /* calculate sector size */
- sector_size = c->size / c->num_sectors;
-
- /* check alignment */
- if ((addr - c->base) % sector_size || length % sector_size)
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
-
- first = (addr - c->base) / sector_size;
- last = first + length / sector_size - 1;
+
+ 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 c->driver->erase(c, first, last);
}
/* 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 flash_write(target_t *target, image_t *image, u32 *written, char **error_str, int *failed, int erase)
{
int retval;
int i;
}
}
- retval = c->driver->write(c, buffer, run_address - c->base, run_size);
+ retval = ERROR_OK;
+ \r
+ if (erase)
+ {
+ /* calculate and erase sectors */
+ retval = flash_erase( target, run_address, run_size );
+ }
+
+ if (retval == ERROR_OK)
+ {
+ /* write flash sectors */
+ retval = c->driver->write(c, buffer, run_address - c->base, run_size);
+ }
+
free(buffer);
if (retval != ERROR_OK)
return ERROR_OK;
}
+
+int handle_flash_auto_erase_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
+{
+ if (argc != 1)
+ {
+ command_print(cmd_ctx, "usage: flash auto_erase <on|off>");
+ return ERROR_OK;
+ }
+
+ if (strcmp(args[0], "on") == 0)
+ auto_erase = 1;
+ else if (strcmp(args[0], "off") == 0)
+ auto_erase = 0;
+
+ return ERROR_OK;
+}
+
{
image_ihex_t *ihex = image->type_private;
fileio_t *fileio = &ihex->fileio;
- u32 raw_bytes_read, raw_bytes;
- int retval;
u32 full_address = 0x0;
- char *buffer = malloc(fileio->size);
u32 cooked_bytes;
int i;
+ char lpszLine[1023];
/* we can't determine the number of sections that we'll have to create ahead of time,
* so we locally hold them until parsing is finished */
image_section_t section[IMAGE_MAX_SECTIONS];
-
- if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
- {
- free(buffer);
- ERROR("failed buffering IHEX file, read failed");
- return ERROR_FILEIO_OPERATION_FAILED;
- }
-
- if (raw_bytes_read != fileio->size)
- {
- free(buffer);
- ERROR("failed buffering complete IHEX file, only partially read");
- return ERROR_FILEIO_OPERATION_FAILED;
- }
ihex->buffer = malloc(fileio->size >> 1);
- raw_bytes = 0x0;
cooked_bytes = 0x0;
image->num_sections = 0;
section[image->num_sections].private = &ihex->buffer[cooked_bytes];
section[image->num_sections].base_address = 0x0;
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
- while (raw_bytes < raw_bytes_read)
+
+ while (fileio_fgets(fileio, 1023, lpszLine) == ERROR_OK)
{
u32 count;
u32 address;
u32 record_type;
u32 checksum;
u8 cal_checksum = 0;
+ u32 bytes_read = 0;
- if (sscanf(&buffer[raw_bytes], ":%2x%4x%2x", &count, &address, &record_type) != 3)
+ if (sscanf(&lpszLine[bytes_read], ":%2x%4x%2x", &count, &address, &record_type) != 3)
{
return ERROR_IMAGE_FORMAT_ERROR;
}
- raw_bytes += 9;
+ bytes_read += 9;
cal_checksum += (u8)count;
cal_checksum += (u8)(address >> 8);
while (count-- > 0)
{
- sscanf(&buffer[raw_bytes], "%2hhx", &ihex->buffer[cooked_bytes]);
+ sscanf(&lpszLine[bytes_read], "%2x", (u32*)&ihex->buffer[cooked_bytes]);
cal_checksum += (u8)ihex->buffer[cooked_bytes];
- raw_bytes += 2;
+ bytes_read += 2;
cooked_bytes += 1;
section[image->num_sections].size += 1;
full_address++;
image->sections[i].flags = section[i].flags;
}
- free(buffer);
return ERROR_OK;
}
+ else if (record_type == 2) /* Linear Address Record */
+ {
+ u16 upper_address;
+
+ sscanf(&lpszLine[bytes_read], "%4hx", &upper_address);
+ cal_checksum += (u8)(upper_address >> 8);
+ cal_checksum += (u8)upper_address;
+ bytes_read += 4;
+
+ if ((full_address >> 4) != upper_address)
+ {
+ /* we encountered a nonconsecutive location, create a new section,
+ * unless the current section has zero size, in which case this specifies
+ * the current section's base address
+ */
+ if (section[image->num_sections].size != 0)
+ {
+ image->num_sections++;
+ section[image->num_sections].size = 0x0;
+ section[image->num_sections].flags = 0;
+ section[image->num_sections].private = &ihex->buffer[cooked_bytes];
+ }
+ section[image->num_sections].base_address =
+ (full_address & 0xffff) | (upper_address << 4);
+ full_address = (full_address & 0xffff) | (upper_address << 4);
+ }
+ }
else if (record_type == 4) /* Extended Linear Address Record */
{
u16 upper_address;
- sscanf(&buffer[raw_bytes], "%4hx", &upper_address);
+ sscanf(&lpszLine[bytes_read], "%4hx", &upper_address);
cal_checksum += (u8)(upper_address >> 8);
cal_checksum += (u8)upper_address;
- raw_bytes += 4;
+ bytes_read += 4;
if ((full_address >> 16) != upper_address)
{
{
u32 start_address;
- sscanf(&buffer[raw_bytes], "%8x", &start_address);
+ sscanf(&lpszLine[bytes_read], "%8x", &start_address);
cal_checksum += (u8)(start_address >> 24);
cal_checksum += (u8)(start_address >> 16);
cal_checksum += (u8)(start_address >> 8);
cal_checksum += (u8)start_address;
- raw_bytes += 8;
+ bytes_read += 8;
image->start_address_set = 1;
image->start_address = be_to_h_u32((u8*)&start_address);
}
else
{
- free(buffer);
ERROR("unhandled IHEX record type: %i", record_type);
return ERROR_IMAGE_FORMAT_ERROR;
}
- sscanf(&buffer[raw_bytes], "%2x", &checksum);
- raw_bytes += 2;
+ sscanf(&lpszLine[bytes_read], "%2x", &checksum);
+ bytes_read += 2;
if ((u8)checksum != (u8)(~cal_checksum + 1))
{
/* checksum failed */
- free(buffer);
ERROR("incorrect record checksum found in IHEX file");
return ERROR_IMAGE_CHECKSUM;
}
-
- /* consume new-line character(s) */
- if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
- raw_bytes++;
-
- if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
- raw_bytes++;
}
-
- free(buffer);
+
ERROR("premature end of IHEX file, no end-of-file record found");
return ERROR_IMAGE_FORMAT_ERROR;
}
{
image_mot_t *mot = image->type_private;
fileio_t *fileio = &mot->fileio;
- u32 raw_bytes_read, raw_bytes;
- int retval;
u32 full_address = 0x0;
- char *buffer = malloc(fileio->size);
u32 cooked_bytes;
int i;
+ char lpszLine[1023];
/* we can't determine the number of sections that we'll have to create ahead of time,
* so we locally hold them until parsing is finished */
image_section_t section[IMAGE_MAX_SECTIONS];
- if ((retval = fileio_read(fileio, fileio->size, (u8*)buffer, &raw_bytes_read)) != ERROR_OK)
- {
- free(buffer);
- ERROR("failed buffering S19 file, read failed");
- return ERROR_FILEIO_OPERATION_FAILED;
- }
-
- if (raw_bytes_read != fileio->size)
- {
- free(buffer);
- ERROR("failed buffering complete IHEX file, only partially read");
- return ERROR_FILEIO_OPERATION_FAILED;
- }
-
mot->buffer = malloc(fileio->size >> 1);
- raw_bytes = 0x0;
cooked_bytes = 0x0;
image->num_sections = 0;
section[image->num_sections].private = &mot->buffer[cooked_bytes];
section[image->num_sections].size = 0x0;
section[image->num_sections].flags = 0;
- while (raw_bytes < raw_bytes_read)
+ while (fileio_fgets(fileio, 1023, lpszLine) == ERROR_OK)
{
u32 count;
u32 address;
u32 record_type;
u32 checksum;
u8 cal_checksum = 0;
-
+ u32 bytes_read = 0;
+
/* get record type and record length */
- if (sscanf(&buffer[raw_bytes], "S%1x%2x", &record_type, &count) != 2)
+ if (sscanf(&lpszLine[bytes_read], "S%1x%2x", &record_type, &count) != 2)
{
return ERROR_IMAGE_FORMAT_ERROR;
}
- raw_bytes += 4;
+ bytes_read += 4;
cal_checksum += (u8)count;
/* skip checksum byte */
int iValue;
while (count-- > 0) {
- sscanf(&buffer[raw_bytes], "%2x", &iValue);
+ sscanf(&lpszLine[bytes_read], "%2x", &iValue);
cal_checksum += (u8)iValue;
- raw_bytes += 2;
+ bytes_read += 2;
}
}
else if (record_type >= 1 && record_type <= 3)
{
case 1:
/* S1 - 16 bit address data record */
- sscanf(&buffer[raw_bytes], "%4x", &address);
+ sscanf(&lpszLine[bytes_read], "%4x", &address);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
- raw_bytes += 4;
+ bytes_read += 4;
count -=2;
break;
case 2:
/* S2 - 24 bit address data record */
- sscanf(&buffer[raw_bytes], "%6x", &address);
+ sscanf(&lpszLine[bytes_read], "%6x", &address);
cal_checksum += (u8)(address >> 16);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
- raw_bytes += 6;
+ bytes_read += 6;
count -=3;
break;
case 3:
/* S3 - 32 bit address data record */
- sscanf(&buffer[raw_bytes], "%8x", &address);
+ sscanf(&lpszLine[bytes_read], "%8x", &address);
cal_checksum += (u8)(address >> 24);
cal_checksum += (u8)(address >> 16);
cal_checksum += (u8)(address >> 8);
cal_checksum += (u8)address;
- raw_bytes += 8;
+ bytes_read += 8;
count -=4;
break;
section[image->num_sections].flags = 0;
section[image->num_sections].private = &mot->buffer[cooked_bytes];
}
- section[image->num_sections].base_address =
- full_address | address;
- full_address = full_address | address;
+ section[image->num_sections].base_address = address;
+ full_address = address;
}
while (count-- > 0)
{
- sscanf(&buffer[raw_bytes], "%2hhx", &mot->buffer[cooked_bytes]);
+ sscanf(&lpszLine[bytes_read], "%2x", (u32*)&mot->buffer[cooked_bytes]);
cal_checksum += (u8)mot->buffer[cooked_bytes];
- raw_bytes += 2;
+ bytes_read += 2;
cooked_bytes += 1;
section[image->num_sections].size += 1;
full_address++;
image->sections[i].flags = section[i].flags;
}
- free(buffer);
return ERROR_OK;
}
else
{
- free(buffer);
ERROR("unhandled S19 record type: %i", record_type);
return ERROR_IMAGE_FORMAT_ERROR;
}
/* account for checksum, will always be 0xFF */
- sscanf(&buffer[raw_bytes], "%2x", &checksum);
+ sscanf(&lpszLine[bytes_read], "%2x", &checksum);
cal_checksum += (u8)checksum;
- raw_bytes += 2;
+ bytes_read += 2;
if( cal_checksum != 0xFF )
{
/* checksum failed */
- free(buffer);
ERROR("incorrect record checksum found in S19 file");
return ERROR_IMAGE_CHECKSUM;
}
-
- /* consume new-line character(s) */
- if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
- raw_bytes++;
-
- if ((buffer[raw_bytes] == '\n') || (buffer[raw_bytes] == '\r'))
- raw_bytes++;
}
-
- free(buffer);
+
ERROR("premature end of S19 file, no end-of-file record found");
return ERROR_IMAGE_FORMAT_ERROR;
}
projects / openocd / commitdiff