* Copyright (C) 2007,2008 Øyvind Harboe <oyvind.harboe@zylin.com> *
* Copyright (C) 2008 by Spencer Oliver <spen@spen-soft.co.uk> *
* Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
+ * Copyright (C) 2017-2018 Tomas Vanek <vanekt@fbl.cz> *
* *
* 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 *
COMMAND_HANDLER(handle_flash_fill_command)
{
- int err = ERROR_OK;
- uint32_t address;
+ target_addr_t address;
uint32_t pattern;
uint32_t count;
- uint32_t wrote = 0;
- uint32_t cur_size = 0;
- uint32_t chunk_count;
struct target *target = get_current_target(CMD_CTX);
unsigned i;
uint32_t wordsize;
- int retval = ERROR_OK;
-
- static size_t const chunksize = 1024;
- uint8_t *chunk = NULL, *readback = NULL;
+ int retval;
- if (CMD_ARGC != 3) {
- retval = ERROR_COMMAND_SYNTAX_ERROR;
- goto done;
- }
+ if (CMD_ARGC != 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+#if BUILD_TARGET64
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[0], address);
+#else
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[0], address);
+#endif
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], pattern);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
- chunk = malloc(chunksize);
- if (chunk == NULL)
- return ERROR_FAIL;
-
- readback = malloc(chunksize);
- if (readback == NULL) {
- free(chunk);
- return ERROR_FAIL;
- }
-
- if (count == 0)
- goto done;
+ struct flash_bank *bank;
+ retval = get_flash_bank_by_addr(target, address, true, &bank);
+ if (retval != ERROR_OK)
+ return retval;
switch (CMD_NAME[4]) {
case 'w':
wordsize = 1;
break;
default:
- retval = ERROR_COMMAND_SYNTAX_ERROR;
- goto done;
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if (count == 0)
+ return ERROR_OK;
+
+ if (address + count >= bank->base + bank->size) {
+ LOG_ERROR("Cannot cross flash bank borders");
+ return ERROR_FAIL;
+ }
+
+ uint32_t size_bytes = count * wordsize;
+ target_addr_t aligned_start = flash_write_align_start(bank, address);
+ target_addr_t end_addr = address + size_bytes - 1;
+ target_addr_t aligned_end = flash_write_align_end(bank, end_addr);
+ uint32_t aligned_size = aligned_end + 1 - aligned_start;
+ uint32_t padding_at_start = address - aligned_start;
+ uint32_t padding_at_end = aligned_end - end_addr;
+
+ uint8_t *buffer = malloc(aligned_size);
+ if (buffer == NULL)
+ return ERROR_FAIL;
+
+ if (padding_at_start) {
+ memset(buffer, bank->default_padded_value, padding_at_start);
+ LOG_WARNING("Start address " TARGET_ADDR_FMT
+ " breaks the required alignment of flash bank %s",
+ address, bank->name);
+ LOG_WARNING("Padding %" PRId32 " bytes from " TARGET_ADDR_FMT,
+ padding_at_start, aligned_start);
}
- chunk_count = MIN(count, (chunksize / wordsize));
+ uint8_t *ptr = buffer + padding_at_start;
+
switch (wordsize) {
case 4:
- for (i = 0; i < chunk_count; i++)
- target_buffer_set_u32(target, chunk + i * wordsize, pattern);
+ for (i = 0; i < count; i++, ptr += wordsize)
+ target_buffer_set_u32(target, ptr, pattern);
break;
case 2:
- for (i = 0; i < chunk_count; i++)
- target_buffer_set_u16(target, chunk + i * wordsize, pattern);
+ for (i = 0; i < count; i++, ptr += wordsize)
+ target_buffer_set_u16(target, ptr, pattern);
break;
case 1:
- memset(chunk, pattern, chunk_count);
+ memset(ptr, pattern, count);
+ ptr += count;
break;
default:
LOG_ERROR("BUG: can't happen");
exit(-1);
}
+ if (padding_at_end) {
+ memset(ptr, bank->default_padded_value, padding_at_end);
+ LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRId32
+ " bytes (bank write end alignment)",
+ end_addr + 1, padding_at_end);
+ }
+
struct duration bench;
duration_start(&bench);
- for (wrote = 0; wrote < (count*wordsize); wrote += cur_size) {
- struct flash_bank *bank;
+ retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size);
+ if (retval != ERROR_OK)
+ goto done;
- retval = get_flash_bank_by_addr(target, address, true, &bank);
- if (retval != ERROR_OK)
- goto done;
+ retval = flash_driver_read(bank, buffer, address - bank->base, size_bytes);
+ if (retval != ERROR_OK)
+ goto done;
- cur_size = MIN((count * wordsize - wrote), chunksize);
- err = flash_driver_write(bank, chunk, address - bank->base + wrote, cur_size);
- if (err != ERROR_OK) {
- retval = err;
- goto done;
- }
+ for (i = 0, ptr = buffer; i < count; i++) {
+ uint32_t readback = 0;
- err = flash_driver_read(bank, readback, address - bank->base + wrote, cur_size);
- if (err != ERROR_OK) {
- retval = err;
- goto done;
+ switch (wordsize) {
+ case 4:
+ readback = target_buffer_get_u32(target, ptr);
+ break;
+ case 2:
+ readback = target_buffer_get_u16(target, ptr);
+ break;
+ case 1:
+ readback = *ptr;
+ break;
}
-
- for (i = 0; i < cur_size; i++) {
- if (readback[i] != chunk[i]) {
- LOG_ERROR(
- "Verification error address 0x%08" PRIx32 ", read back 0x%02x, expected 0x%02x",
- address + wrote + i,
- readback[i],
- chunk[i]);
- retval = ERROR_FAIL;
- goto done;
- }
+ if (readback != pattern) {
+ LOG_ERROR(
+ "Verification error address " TARGET_ADDR_FMT
+ ", read back 0x%02" PRIx32 ", expected 0x%02" PRIx32,
+ address + i * wordsize, readback, pattern);
+ retval = ERROR_FAIL;
+ goto done;
}
+ ptr += wordsize;
}
if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
- command_print(CMD_CTX, "wrote %" PRIu32 " bytes to 0x%8.8" PRIx32
- " in %fs (%0.3f KiB/s)", wrote, address,
- duration_elapsed(&bench), duration_kbps(&bench, wrote));
+ command_print(CMD_CTX, "wrote %" PRIu32 " bytes to " TARGET_ADDR_FMT
+ " in %fs (%0.3f KiB/s)", size_bytes, address,
+ duration_elapsed(&bench), duration_kbps(&bench, size_bytes));
}
done:
- free(readback);
- free(chunk);
+ free(buffer);
return retval;
}
struct duration bench;
duration_start(&bench);
- struct flash_bank *p;
- int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
if (ERROR_OK != retval)
return retval;
if (CMD_ARGC > 2)
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
- if (offset > p->size) {
+ if (offset > bank->size) {
LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
offset);
return ERROR_COMMAND_ARGUMENT_INVALID;
return retval;
}
- length = MIN(filesize, p->size - offset);
+ length = MIN(filesize, bank->size - offset);
if (!length) {
LOG_INFO("Nothing to write to flash bank");
LOG_INFO("File content exceeds flash bank size. Only writing the "
"first %zu bytes of the file", length);
- buffer = malloc(length);
+ target_addr_t start_addr = bank->base + offset;
+ target_addr_t aligned_start = flash_write_align_start(bank, start_addr);
+ target_addr_t end_addr = start_addr + length - 1;
+ target_addr_t aligned_end = flash_write_align_end(bank, end_addr);
+ uint32_t aligned_size = aligned_end + 1 - aligned_start;
+ uint32_t padding_at_start = start_addr - aligned_start;
+ uint32_t padding_at_end = aligned_end - end_addr;
+
+ buffer = malloc(aligned_size);
if (buffer == NULL) {
fileio_close(fileio);
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
+
+ if (padding_at_start) {
+ memset(buffer, bank->default_padded_value, padding_at_start);
+ LOG_WARNING("Start offset 0x%08" PRIx32
+ " breaks the required alignment of flash bank %s",
+ offset, bank->name);
+ LOG_WARNING("Padding %" PRId32 " bytes from " TARGET_ADDR_FMT,
+ padding_at_start, aligned_start);
+ }
+
+ uint8_t *ptr = buffer + padding_at_start;
size_t buf_cnt;
- if (fileio_read(fileio, length, buffer, &buf_cnt) != ERROR_OK) {
+ if (fileio_read(fileio, length, ptr, &buf_cnt) != ERROR_OK) {
free(buffer);
fileio_close(fileio);
return ERROR_FAIL;
return ERROR_FAIL;
}
- retval = flash_driver_write(p, buffer, offset, length);
+ ptr += length;
+
+ if (padding_at_end) {
+ memset(ptr, bank->default_padded_value, padding_at_end);
+ LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRId32
+ " bytes (bank write end alignment)",
+ end_addr + 1, padding_at_end);
+ }
+
+ retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size);
free(buffer);
- buffer = NULL;
if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
command_print(CMD_CTX, "wrote %zu bytes from file %s to flash bank %u"
" at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
- length, CMD_ARGV[1], p->bank_number, offset,
+ length, CMD_ARGV[1], bank->bank_number, offset,
duration_elapsed(&bench), duration_kbps(&bench, length));
}
}
}
- struct flash_bank *c = malloc(sizeof(*c));
+ struct flash_bank *c = calloc(1, sizeof(*c));
c->name = strdup(bank_name);
c->target = target;
c->driver = driver;
- c->driver_priv = NULL;
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], c->base);
COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], c->size);
COMMAND_PARSE_NUMBER(int, CMD_ARGV[3], c->chip_width);
COMMAND_PARSE_NUMBER(int, CMD_ARGV[4], c->bus_width);
c->default_padded_value = c->erased_value = 0xff;
- c->num_sectors = 0;
- c->sectors = NULL;
- c->num_prot_blocks = 0;
- c->prot_blocks = NULL;
- c->next = NULL;
+ c->minimal_write_gap = FLASH_WRITE_GAP_SECTOR;
int retval;
retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
Code Review / openocd.git / blobdiff