* 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 *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "imp.h"
+#include <helper/time_support.h>
+#include <target/image.h>
-COMMAND_HANDLER(handle_flash_bank_command)
+/**
+ * @file
+ * Implements Tcl commands used to access NOR flash facilities.
+ */
+
+static COMMAND_HELPER(flash_command_get_bank_maybe_probe, unsigned name_index,
+ struct flash_bank **bank, bool do_probe)
+{
+ const char *name = CMD_ARGV[name_index];
+ int retval;
+ if (do_probe) {
+ retval = get_flash_bank_by_name(name, bank);
+ } else {
+ *bank = get_flash_bank_by_name_noprobe(name);
+ retval = ERROR_OK;
+ }
+
+ if (retval != ERROR_OK)
+ return retval;
+ if (*bank)
+ return ERROR_OK;
+
+ unsigned bank_num;
+ COMMAND_PARSE_NUMBER(uint, name, bank_num);
+
+ if (do_probe) {
+ return get_flash_bank_by_num(bank_num, bank);
+ } else {
+ *bank = get_flash_bank_by_num_noprobe(bank_num);
+ retval = (bank) ? ERROR_OK : ERROR_FAIL;
+ return retval;
+ }
+}
+
+COMMAND_HELPER(flash_command_get_bank, unsigned name_index,
+ struct flash_bank **bank)
+{
+ return CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe,
+ name_index, bank, true);
+}
+
+COMMAND_HANDLER(handle_flash_info_command)
+{
+ struct flash_bank *p;
+ int j = 0;
+ int retval;
+ bool show_sectors = false;
+ bool prot_block_available;
+
+ if (CMD_ARGC < 1 || CMD_ARGC > 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (CMD_ARGC == 2) {
+ if (strcmp("sectors", CMD_ARGV[1]) == 0)
+ show_sectors = true;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (p != NULL) {
+ char buf[1024];
+ int num_blocks;
+ struct flash_sector *block_array;
+
+ /* attempt auto probe */
+ retval = p->driver->auto_probe(p);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* If the driver does not implement protection, we show the default
+ * state of is_protected array - usually protection state unknown */
+ if (p->driver->protect_check == NULL) {
+ retval = ERROR_FLASH_OPER_UNSUPPORTED;
+ } else {
+ /* We must query the hardware to avoid printing stale information! */
+ retval = p->driver->protect_check(p);
+ if (retval != ERROR_OK && retval != ERROR_FLASH_OPER_UNSUPPORTED)
+ return retval;
+ }
+ if (retval == ERROR_FLASH_OPER_UNSUPPORTED)
+ LOG_INFO("Flash protection check is not implemented.");
+
+ command_print(CMD,
+ "#%u : %s at " TARGET_ADDR_FMT ", size 0x%8.8" PRIx32
+ ", buswidth %u, chipwidth %u",
+ p->bank_number,
+ p->driver->name,
+ p->base,
+ p->size,
+ p->bus_width,
+ p->chip_width);
+
+ prot_block_available = p->num_prot_blocks && p->prot_blocks;
+ if (!show_sectors && prot_block_available) {
+ block_array = p->prot_blocks;
+ num_blocks = p->num_prot_blocks;
+ } else {
+ block_array = p->sectors;
+ num_blocks = p->num_sectors;
+ }
+
+ for (j = 0; j < num_blocks; j++) {
+ char *protect_state = "";
+
+ if (block_array[j].is_protected == 0)
+ protect_state = "not protected";
+ else if (block_array[j].is_protected == 1)
+ protect_state = "protected";
+ else if (!show_sectors || !prot_block_available)
+ protect_state = "protection state unknown";
+
+ command_print(CMD,
+ "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIu32 "kB) %s",
+ j,
+ block_array[j].offset,
+ block_array[j].size,
+ block_array[j].size >> 10,
+ protect_state);
+ }
+
+ if (p->driver->info != NULL) {
+ retval = p->driver->info(p, buf, sizeof(buf));
+ if (retval == ERROR_OK)
+ command_print(CMD, "%s", buf);
+ else
+ LOG_ERROR("error retrieving flash info");
+ }
+ }
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_probe_command)
+{
+ struct flash_bank *p;
+ int retval;
+
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ retval = CALL_COMMAND_HANDLER(flash_command_get_bank_maybe_probe, 0, &p, false);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (p) {
+ retval = p->driver->probe(p);
+ if (retval == ERROR_OK)
+ command_print(CMD,
+ "flash '%s' found at " TARGET_ADDR_FMT,
+ p->driver->name,
+ p->base);
+ } else {
+ command_print(CMD, "flash bank '#%s' is out of bounds", CMD_ARGV[0]);
+ retval = ERROR_FAIL;
+ }
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_check_command)
+{
+ bool blank = true;
+ if (CMD_ARGC != 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct flash_bank *p;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (ERROR_OK != retval)
+ return retval;
+
+ retval = p->driver->erase_check(p);
+ if (retval == ERROR_OK)
+ command_print(CMD, "successfully checked erase state");
+ else {
+ command_print(CMD,
+ "unknown error when checking erase state of flash bank #%s at "
+ TARGET_ADDR_FMT,
+ CMD_ARGV[0],
+ p->base);
+ }
+
+ for (unsigned int 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)
+ continue;
+ else
+ erase_state = "erase state unknown";
+
+ blank = false;
+ command_print(CMD,
+ "\t#%3i: 0x%8.8" PRIx32 " (0x%" PRIx32 " %" PRIu32 "kB) %s",
+ j,
+ p->sectors[j].offset,
+ p->sectors[j].size,
+ p->sectors[j].size >> 10,
+ erase_state);
+ }
+
+ if (blank)
+ command_print(CMD, "\tBank is erased");
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_address_command)
+{
+ struct flash_bank *p;
+ int retval = ERROR_OK;
+ target_addr_t address;
+ uint32_t length;
+ bool do_pad = false;
+ bool do_unlock = false;
+ struct target *target = get_current_target(CMD_CTX);
+
+ while (CMD_ARGC >= 3) {
+ /* Optionally pad out the address range to block/sector
+ * boundaries. We can't know if there's data in that part
+ * of the flash; only do padding if we're told to.
+ */
+ if (strcmp("pad", CMD_ARGV[0]) == 0)
+ do_pad = true;
+ else if (strcmp("unlock", CMD_ARGV[0]) == 0)
+ do_unlock = true;
+ else
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ CMD_ARGC--;
+ CMD_ARGV++;
+ }
+ if (CMD_ARGC != 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], length);
+
+ if (length <= 0) {
+ command_print(CMD, "Length must be >0");
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ retval = get_flash_bank_by_addr(target, address, true, &p);
+ if (retval != ERROR_OK)
+ return retval;
+
+ /* We can't know if we did a resume + halt, in which case we no longer know the erased state
+ **/
+ flash_set_dirty();
+
+ struct duration bench;
+ duration_start(&bench);
+
+ if (do_unlock)
+ retval = flash_unlock_address_range(target, address, length);
+
+ if (retval == ERROR_OK)
+ retval = flash_erase_address_range(target, do_pad, address, length);
+
+ if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "erased address " TARGET_ADDR_FMT " (length %" PRIu32 ")"
+ " in %fs (%0.3f KiB/s)", address, length,
+ duration_elapsed(&bench), duration_kbps(&bench, length));
+ }
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_erase_command)
+{
+ if (CMD_ARGC != 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ uint32_t first;
+ uint32_t last;
+
+ struct flash_bank *p;
+ int retval;
+
+ retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (retval != ERROR_OK)
+ return retval;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
+ if (strcmp(CMD_ARGV[2], "last") == 0)
+ last = p->num_sectors - 1;
+ else
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
+
+ if (!(first <= last)) {
+ command_print(CMD, "ERROR: "
+ "first sector must be <= last");
+ return ERROR_FAIL;
+ }
+
+ if (!(last <= (p->num_sectors - 1))) {
+ command_print(CMD, "ERROR: "
+ "last sector must be <= %u",
+ p->num_sectors - 1);
+ return ERROR_FAIL;
+ }
+
+ struct duration bench;
+ duration_start(&bench);
+
+ retval = flash_driver_erase(p, first, last);
+
+ if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "erased sectors %" PRIu32 " "
+ "through %" PRIu32 " on flash bank %u "
+ "in %fs", first, last, p->bank_number, duration_elapsed(&bench));
+ }
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_protect_command)
+{
+ if (CMD_ARGC != 4)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ uint32_t first;
+ uint32_t last;
+
+ struct flash_bank *p;
+ int retval;
+ int num_blocks;
+
+ retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (retval != ERROR_OK)
+ return retval;
+
+ if (p->num_prot_blocks)
+ num_blocks = p->num_prot_blocks;
+ else
+ num_blocks = p->num_sectors;
+
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], first);
+ if (strcmp(CMD_ARGV[2], "last") == 0)
+ last = num_blocks - 1;
+ else
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], last);
+
+ bool set;
+ COMMAND_PARSE_ON_OFF(CMD_ARGV[3], set);
+
+ if (!(first <= last)) {
+ command_print(CMD, "ERROR: "
+ "first %s must be <= last",
+ (p->num_prot_blocks) ? "block" : "sector");
+ return ERROR_FAIL;
+ }
+
+ if (!(last <= (uint32_t)(num_blocks - 1))) {
+ command_print(CMD, "ERROR: "
+ "last %s must be <= %d",
+ (p->num_prot_blocks) ? "block" : "sector",
+ num_blocks - 1);
+ return ERROR_FAIL;
+ }
+
+ retval = flash_driver_protect(p, set, first, last);
+ if (retval == ERROR_OK) {
+ command_print(CMD, "%s protection for %s %" PRIu32
+ " through %" PRIu32 " on flash bank %d",
+ (set) ? "set" : "cleared",
+ (p->num_prot_blocks) ? "blocks" : "sectors",
+ first, last, p->bank_number);
+ }
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_write_image_command)
{
- if (CMD_ARGC < 7)
+ struct target *target = get_current_target(CMD_CTX);
+
+ struct image image;
+ uint32_t written;
+
+ int retval;
+
+ /* flash auto-erase is disabled by default*/
+ int auto_erase = 0;
+ bool auto_unlock = false;
+
+ while (CMD_ARGC) {
+ if (strcmp(CMD_ARGV[0], "erase") == 0) {
+ auto_erase = 1;
+ CMD_ARGV++;
+ CMD_ARGC--;
+ command_print(CMD, "auto erase enabled");
+ } else if (strcmp(CMD_ARGV[0], "unlock") == 0) {
+ auto_unlock = true;
+ CMD_ARGV++;
+ CMD_ARGC--;
+ command_print(CMD, "auto unlock enabled");
+ } else
+ break;
+ }
+
+ if (CMD_ARGC < 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (!target) {
+ LOG_ERROR("no target selected");
+ return ERROR_FAIL;
+ }
+
+ struct duration bench;
+ duration_start(&bench);
+
+ if (CMD_ARGC >= 2) {
+ image.base_address_set = true;
+ COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
+ } else {
+ image.base_address_set = false;
+ image.base_address = 0x0;
+ }
+
+ image.start_address_set = false;
+
+ retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = flash_write_unlock_verify(target, &image, &written, auto_erase,
+ auto_unlock, true, false);
+ if (retval != ERROR_OK) {
+ image_close(&image);
+ return retval;
+ }
+
+ if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "wrote %" PRIu32 " bytes from file %s "
+ "in %fs (%0.3f KiB/s)", written, CMD_ARGV[0],
+ duration_elapsed(&bench), duration_kbps(&bench, written));
+ }
+
+ image_close(&image);
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_verify_image_command)
+{
+ struct target *target = get_current_target(CMD_CTX);
+
+ struct image image;
+ uint32_t verified;
+
+ int retval;
+
+ if (CMD_ARGC < 1)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ if (!target) {
+ LOG_ERROR("no target selected");
+ return ERROR_FAIL;
+ }
+
+ struct duration bench;
+ duration_start(&bench);
+
+ if (CMD_ARGC >= 2) {
+ image.base_address_set = 1;
+ COMMAND_PARSE_NUMBER(llong, CMD_ARGV[1], image.base_address);
+ } else {
+ image.base_address_set = 0;
+ image.base_address = 0x0;
+ }
+
+ image.start_address_set = 0;
+
+ retval = image_open(&image, CMD_ARGV[0], (CMD_ARGC == 3) ? CMD_ARGV[2] : NULL);
+ if (retval != ERROR_OK)
+ return retval;
+
+ retval = flash_write_unlock_verify(target, &image, &verified, false,
+ false, false, true);
+ if (retval != ERROR_OK) {
+ image_close(&image);
+ return retval;
+ }
+
+ if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "verified %" PRIu32 " bytes from file %s "
+ "in %fs (%0.3f KiB/s)", verified, CMD_ARGV[0],
+ duration_elapsed(&bench), duration_kbps(&bench, verified));
+ }
+
+ image_close(&image);
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_fill_command)
+{
+ target_addr_t address;
+ uint64_t pattern;
+ uint32_t count;
+ struct target *target = get_current_target(CMD_CTX);
+ unsigned i;
+ uint32_t wordsize;
+ int retval;
+
+ if (CMD_ARGC != 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+ COMMAND_PARSE_NUMBER(u64, CMD_ARGV[1], pattern);
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], count);
+
+ 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 'd':
+ wordsize = 8;
+ break;
+ case 'w':
+ wordsize = 4;
+ break;
+ case 'h':
+ wordsize = 2;
+ break;
+ case 'b':
+ wordsize = 1;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if ((wordsize < sizeof(pattern)) && (pattern >> (8 * wordsize) != 0)) {
+ command_print(CMD, "Fill pattern 0x%" PRIx64 " does not fit within %" PRIu32 "-byte word", pattern, wordsize);
+ return ERROR_FAIL;
+ }
+
+ if (count == 0)
+ return ERROR_OK;
+
+ if (address + count * wordsize > 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 %" PRIu32 " bytes from " TARGET_ADDR_FMT,
+ padding_at_start, aligned_start);
+ }
+
+ uint8_t *ptr = buffer + padding_at_start;
+
+ switch (wordsize) {
+ case 8:
+ for (i = 0; i < count; i++, ptr += wordsize)
+ target_buffer_set_u64(target, ptr, pattern);
+ break;
+ case 4:
+ for (i = 0; i < count; i++, ptr += wordsize)
+ target_buffer_set_u32(target, ptr, pattern);
+ break;
+ case 2:
+ for (i = 0; i < count; i++, ptr += wordsize)
+ target_buffer_set_u16(target, ptr, pattern);
+ break;
+ case 1:
+ 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 %" PRIu32
+ " bytes (bank write end alignment)",
+ end_addr + 1, padding_at_end);
+ }
+
+ struct duration bench;
+ duration_start(&bench);
+
+ retval = flash_driver_write(bank, buffer, aligned_start - bank->base, aligned_size);
+ if (retval != ERROR_OK)
+ goto done;
+
+ retval = flash_driver_read(bank, buffer, address - bank->base, size_bytes);
+ if (retval != ERROR_OK)
+ goto done;
+
+ for (i = 0, ptr = buffer; i < count; i++) {
+ uint64_t readback = 0;
+
+ switch (wordsize) {
+ case 8:
+ readback = target_buffer_get_u64(target, ptr);
+ break;
+ 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;
+ }
+ if (readback != pattern) {
+ LOG_ERROR(
+ "Verification error address " TARGET_ADDR_FMT
+ ", read back 0x%02" PRIx64 ", expected 0x%02" PRIx64,
+ address + i * wordsize, readback, pattern);
+ retval = ERROR_FAIL;
+ goto done;
+ }
+ ptr += wordsize;
+ }
+
+ if ((retval == ERROR_OK) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "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(buffer);
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_md_command)
+{
+ int retval;
+
+ if (CMD_ARGC < 1 || CMD_ARGC > 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ target_addr_t address;
+ COMMAND_PARSE_ADDRESS(CMD_ARGV[0], address);
+
+ uint32_t count = 1;
+ if (CMD_ARGC == 2)
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[1], count);
+
+ unsigned int wordsize;
+ switch (CMD_NAME[2]) {
+ case 'w':
+ wordsize = 4;
+ break;
+ case 'h':
+ wordsize = 2;
+ break;
+ case 'b':
+ wordsize = 1;
+ break;
+ default:
+ return ERROR_COMMAND_SYNTAX_ERROR;
+ }
+
+ if (count == 0)
+ return ERROR_OK;
+
+ struct target *target = get_current_target(CMD_CTX);
+ struct flash_bank *bank;
+ retval = get_flash_bank_by_addr(target, address, true, &bank);
+ if (retval != ERROR_OK)
+ return retval;
+
+ uint32_t offset = address - bank->base;
+ uint32_t sizebytes = count * wordsize;
+ if (offset + sizebytes > bank->size) {
+ command_print(CMD, "Cannot cross flash bank borders");
+ return ERROR_FAIL;
+ }
+
+ uint8_t *buffer = calloc(count, wordsize);
+ if (buffer == NULL) {
+ command_print(CMD, "No memory for flash read buffer");
+ return ERROR_FAIL;
+ }
+
+ retval = flash_driver_read(bank, buffer, offset, sizebytes);
+ if (retval == ERROR_OK)
+ target_handle_md_output(CMD, target, address, wordsize, count, buffer);
+
+ free(buffer);
+
+ return retval;
+}
+
+
+COMMAND_HANDLER(handle_flash_write_bank_command)
+{
+ uint32_t offset;
+ uint8_t *buffer;
+ size_t length;
+ struct fileio *fileio;
+
+ if (CMD_ARGC < 2 || CMD_ARGC > 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct duration bench;
+ duration_start(&bench);
+
+ struct flash_bank *bank;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &bank);
+ if (ERROR_OK != retval)
+ return retval;
+
+ offset = 0;
+
+ if (CMD_ARGC > 2)
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+ 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;
+ }
+
+ if (fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY) != ERROR_OK)
+ return ERROR_FAIL;
+
+ size_t filesize;
+ retval = fileio_size(fileio, &filesize);
+ if (retval != ERROR_OK) {
+ fileio_close(fileio);
+ return retval;
+ }
+
+ length = MIN(filesize, bank->size - offset);
+
+ if (!length) {
+ LOG_INFO("Nothing to write to flash bank");
+ fileio_close(fileio);
+ return ERROR_OK;
+ }
+
+ if (length != filesize)
+ LOG_INFO("File content exceeds flash bank size. Only writing the "
+ "first %zu bytes of the file", 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 %" PRIu32 " 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, ptr, &buf_cnt) != ERROR_OK) {
+ free(buffer);
+ fileio_close(fileio);
+ return ERROR_FAIL;
+ }
+
+ if (buf_cnt != length) {
+ LOG_ERROR("Short read");
+ free(buffer);
+ return ERROR_FAIL;
+ }
+
+ ptr += length;
+
+ if (padding_at_end) {
+ memset(ptr, bank->default_padded_value, padding_at_end);
+ LOG_INFO("Padding at " TARGET_ADDR_FMT " with %" PRIu32
+ " 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);
+
+ if ((ERROR_OK == retval) && (duration_measure(&bench) == ERROR_OK)) {
+ command_print(CMD, "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], bank->bank_number, offset,
+ duration_elapsed(&bench), duration_kbps(&bench, length));
+ }
+
+ fileio_close(fileio);
+
+ return retval;
+}
+
+COMMAND_HANDLER(handle_flash_read_bank_command)
+{
+ uint32_t offset;
+ uint8_t *buffer;
+ struct fileio *fileio;
+ uint32_t length;
+ size_t written;
+
+ if (CMD_ARGC < 2 || CMD_ARGC > 4)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct duration bench;
+ duration_start(&bench);
+
+ struct flash_bank *p;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+
+ if (ERROR_OK != retval)
+ return retval;
+
+ offset = 0;
+
+ if (CMD_ARGC > 2)
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+ if (offset > p->size) {
+ LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
+ offset);
+ return ERROR_COMMAND_ARGUMENT_INVALID;
+ }
+
+ length = p->size - offset;
+
+ if (CMD_ARGC > 3)
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[3], length);
+
+ if (offset + length > p->size) {
+ LOG_ERROR("Length of %" PRIu32 " bytes with offset 0x%8.8" PRIx32
+ " is out of range of the flash bank", length, offset);
+ return ERROR_COMMAND_ARGUMENT_INVALID;
+ }
+
+ buffer = malloc(length);
+ if (buffer == NULL) {
+ LOG_ERROR("Out of memory");
+ return ERROR_FAIL;
+ }
+
+ retval = flash_driver_read(p, buffer, offset, length);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Read error");
+ free(buffer);
+ return retval;
+ }
+
+ retval = fileio_open(&fileio, CMD_ARGV[1], FILEIO_WRITE, FILEIO_BINARY);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not open file");
+ free(buffer);
+ return retval;
+ }
+
+ retval = fileio_write(fileio, length, buffer, &written);
+ fileio_close(fileio);
+ free(buffer);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not write file");
+ return ERROR_FAIL;
+ }
+
+ if (duration_measure(&bench) == ERROR_OK)
+ command_print(CMD, "wrote %zd bytes to file %s from flash bank %u"
+ " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+ written, CMD_ARGV[1], p->bank_number, offset,
+ duration_elapsed(&bench), duration_kbps(&bench, written));
+
+ return retval;
+}
+
+
+COMMAND_HANDLER(handle_flash_verify_bank_command)
+{
+ uint32_t offset;
+ uint8_t *buffer_file, *buffer_flash;
+ struct fileio *fileio;
+ size_t read_cnt;
+ size_t filesize;
+ size_t length;
+ int differ;
+
+ if (CMD_ARGC < 2 || CMD_ARGC > 3)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct duration bench;
+ duration_start(&bench);
+
+ struct flash_bank *p;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (ERROR_OK != retval)
+ return retval;
+
+ offset = 0;
+
+ if (CMD_ARGC > 2)
+ COMMAND_PARSE_NUMBER(u32, CMD_ARGV[2], offset);
+
+ if (offset > p->size) {
+ LOG_ERROR("Offset 0x%8.8" PRIx32 " is out of range of the flash bank",
+ offset);
+ return ERROR_COMMAND_ARGUMENT_INVALID;
+ }
+
+ retval = fileio_open(&fileio, CMD_ARGV[1], FILEIO_READ, FILEIO_BINARY);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Could not open file");
+ return retval;
+ }
+
+ retval = fileio_size(fileio, &filesize);
+ if (retval != ERROR_OK) {
+ fileio_close(fileio);
+ return retval;
+ }
+
+ length = MIN(filesize, p->size - offset);
+
+ if (!length) {
+ LOG_INFO("Nothing to compare with flash bank");
+ fileio_close(fileio);
+ return ERROR_OK;
+ }
+
+ if (length != filesize)
+ LOG_INFO("File content exceeds flash bank size. Only comparing the "
+ "first %zu bytes of the file", length);
+
+ buffer_file = malloc(length);
+ if (buffer_file == NULL) {
+ LOG_ERROR("Out of memory");
+ fileio_close(fileio);
+ return ERROR_FAIL;
+ }
+
+ retval = fileio_read(fileio, length, buffer_file, &read_cnt);
+ fileio_close(fileio);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("File read failure");
+ free(buffer_file);
+ return retval;
+ }
+
+ if (read_cnt != length) {
+ LOG_ERROR("Short read");
+ free(buffer_file);
+ return ERROR_FAIL;
+ }
+
+ buffer_flash = malloc(length);
+ if (buffer_flash == NULL) {
+ LOG_ERROR("Out of memory");
+ free(buffer_file);
+ return ERROR_FAIL;
+ }
+
+ retval = flash_driver_read(p, buffer_flash, offset, length);
+ if (retval != ERROR_OK) {
+ LOG_ERROR("Flash read error");
+ free(buffer_flash);
+ free(buffer_file);
+ return retval;
+ }
+
+ if (duration_measure(&bench) == ERROR_OK)
+ command_print(CMD, "read %zd bytes from file %s and flash bank %u"
+ " at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
+ length, CMD_ARGV[1], p->bank_number, offset,
+ duration_elapsed(&bench), duration_kbps(&bench, length));
+
+ differ = memcmp(buffer_file, buffer_flash, length);
+ command_print(CMD, "contents %s", differ ? "differ" : "match");
+ if (differ) {
+ uint32_t t;
+ int diffs = 0;
+ for (t = 0; t < length; t++) {
+ if (buffer_flash[t] == buffer_file[t])
+ continue;
+ command_print(CMD, "diff %d address 0x%08" PRIx32 ". Was 0x%02x instead of 0x%02x",
+ diffs, t + offset, buffer_flash[t], buffer_file[t]);
+ if (diffs++ >= 127) {
+ command_print(CMD, "More than 128 errors, the rest are not printed.");
+ break;
+ }
+ keep_alive();
+ }
+ }
+ free(buffer_flash);
+ free(buffer_file);
+
+ return differ ? ERROR_FAIL : ERROR_OK;
+}
+
+void flash_set_dirty(void)
+{
+ struct flash_bank *c;
+
+ /* set all flash to require erasing */
+ for (c = flash_bank_list(); c; c = c->next) {
+ for (unsigned int i = 0; i < c->num_sectors; i++)
+ c->sectors[i].is_erased = 0;
+ }
+}
+
+COMMAND_HANDLER(handle_flash_padded_value_command)
+{
+ if (CMD_ARGC != 2)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ struct flash_bank *p;
+ int retval = CALL_COMMAND_HANDLER(flash_command_get_bank, 0, &p);
+ if (ERROR_OK != retval)
+ return retval;
+
+ COMMAND_PARSE_NUMBER(u8, CMD_ARGV[1], p->default_padded_value);
+
+ command_print(CMD, "Default padded value set to 0x%" PRIx8 " for flash bank %u",
+ p->default_padded_value, p->bank_number);
+
+ return retval;
+}
+
+static const struct command_registration flash_exec_command_handlers[] = {
+ {
+ .name = "probe",
+ .handler = handle_flash_probe_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id",
+ .help = "Identify a flash bank.",
+ },
+ {
+ .name = "info",
+ .handler = handle_flash_info_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id ['sectors']",
+ .help = "Print information about a flash bank.",
+ },
+ {
+ .name = "erase_check",
+ .handler = handle_flash_erase_check_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id",
+ .help = "Check erase state of all blocks in a "
+ "flash bank.",
+ },
+ {
+ .name = "erase_sector",
+ .handler = handle_flash_erase_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id first_sector_num (last_sector_num|'last')",
+ .help = "Erase a range of sectors in a flash bank.",
+ },
+ {
+ .name = "erase_address",
+ .handler = handle_flash_erase_address_command,
+ .mode = COMMAND_EXEC,
+ .usage = "['pad'] ['unlock'] address length",
+ .help = "Erase flash sectors starting at address and "
+ "continuing for length bytes. If 'pad' is specified, "
+ "data outside that range may also be erased: the start "
+ "address may be decreased, and length increased, so "
+ "that all of the first and last sectors are erased. "
+ "If 'unlock' is specified, then the flash is unprotected "
+ "before erasing.",
+
+ },
+ {
+ .name = "filld",
+ .handler = handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address value n",
+ .help = "Fill n double-words with 64-bit value, starting at "
+ "word address. (No autoerase.)",
+ },
+ {
+ .name = "fillw",
+ .handler = handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address value n",
+ .help = "Fill n words with 32-bit value, starting at "
+ "word address. (No autoerase.)",
+ },
+ {
+ .name = "fillh",
+ .handler = handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address value n",
+ .help = "Fill n halfwords with 16-bit value, starting at "
+ "word address. (No autoerase.)",
+ },
+ {
+ .name = "fillb",
+ .handler = handle_flash_fill_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address value n",
+ .help = "Fill n bytes with 8-bit value, starting at "
+ "word address. (No autoerase.)",
+ },
+ {
+ .name = "mdb",
+ .handler = handle_flash_md_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address [count]",
+ .help = "Display bytes from flash.",
+ },
+ {
+ .name = "mdh",
+ .handler = handle_flash_md_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address [count]",
+ .help = "Display half-words from flash.",
+ },
+ {
+ .name = "mdw",
+ .handler = handle_flash_md_command,
+ .mode = COMMAND_EXEC,
+ .usage = "address [count]",
+ .help = "Display words from flash.",
+ },
+ {
+ .name = "write_bank",
+ .handler = handle_flash_write_bank_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id filename [offset]",
+ .help = "Write binary data from file to flash bank. Allow optional "
+ "offset from beginning of the bank (defaults to zero).",
+ },
+ {
+ .name = "write_image",
+ .handler = handle_flash_write_image_command,
+ .mode = COMMAND_EXEC,
+ .usage = "[erase] [unlock] filename [offset [file_type]]",
+ .help = "Write an image to flash. Optionally first unprotect "
+ "and/or erase the region to be used. Allow optional "
+ "offset from beginning of bank (defaults to zero)",
+ },
+ {
+ .name = "verify_image",
+ .handler = handle_flash_verify_image_command,
+ .mode = COMMAND_EXEC,
+ .usage = "filename [offset [file_type]]",
+ .help = "Verify an image against flash. Allow optional "
+ "offset from beginning of bank (defaults to zero)",
+ },
+ {
+ .name = "read_bank",
+ .handler = handle_flash_read_bank_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id filename [offset [length]]",
+ .help = "Read binary data from flash bank to file. Allow optional "
+ "offset from beginning of the bank (defaults to zero).",
+ },
+ {
+ .name = "verify_bank",
+ .handler = handle_flash_verify_bank_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id filename [offset]",
+ .help = "Compare the contents of a file with the contents of the "
+ "flash bank. Allow optional offset from beginning of the bank "
+ "(defaults to zero).",
+ },
+ {
+ .name = "protect",
+ .handler = handle_flash_protect_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id first_block [last_block|'last'] "
+ "('on'|'off')",
+ .help = "Turn protection on or off for a range of protection "
+ "blocks or sectors in a given flash bank. "
+ "See 'flash info' output for a list of blocks.",
+ },
{
+ .name = "padded_value",
+ .handler = handle_flash_padded_value_command,
+ .mode = COMMAND_EXEC,
+ .usage = "bank_id value",
+ .help = "Set default flash padded value",
+ },
+ COMMAND_REGISTRATION_DONE
+};
+
+static int flash_init_drivers(struct command_context *cmd_ctx)
+{
+ if (!flash_bank_list())
+ return ERROR_OK;
+
+ struct command *parent = command_find_in_context(cmd_ctx, "flash");
+ return register_commands(cmd_ctx, parent, flash_exec_command_handlers);
+}
+
+COMMAND_HANDLER(handle_flash_bank_command)
+{
+ if (CMD_ARGC < 7) {
LOG_ERROR("usage: flash bank <name> <driver> "
- "<base> <size> <chip_width> <bus_width>");
+ "<base> <size> <chip_width> <bus_width> <target>");
return ERROR_COMMAND_SYNTAX_ERROR;
}
- // save bank name and advance arguments for compatibility
+ /* save bank name and advance arguments for compatibility */
const char *bank_name = *CMD_ARGV++;
CMD_ARGC--;
- struct target *target;
- if ((target = get_target(CMD_ARGV[5])) == NULL)
- {
+ struct target *target = get_target(CMD_ARGV[5]);
+ if (target == NULL) {
LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
return ERROR_FAIL;
}
const char *driver_name = CMD_ARGV[0];
- struct flash_driver *driver = flash_driver_find_by_name(driver_name);
- if (NULL == driver)
- {
+ const struct flash_driver *driver = flash_driver_find_by_name(driver_name);
+ if (NULL == driver) {
/* no matching flash driver found */
LOG_ERROR("flash driver '%s' not found", driver_name);
return ERROR_FAIL;
}
+ /* check the flash bank name is unique */
+ if (get_flash_bank_by_name_noprobe(bank_name) != NULL) {
+ /* flash bank name already exists */
+ LOG_ERROR("flash bank name '%s' already exists", bank_name);
+ return ERROR_FAIL;
+ }
+
/* register flash specific commands */
- if (NULL != driver->commands)
- {
+ if (NULL != driver->commands) {
int retval = register_commands(CMD_CTX, NULL,
driver->commands);
- if (ERROR_OK != retval)
- {
+ if (ERROR_OK != retval) {
LOG_ERROR("couldn't register '%s' commands",
- driver_name);
+ driver_name);
return ERROR_FAIL;
}
}
- 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(target_addr, 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->num_sectors = 0;
- c->sectors = NULL;
- c->next = NULL;
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[3], c->chip_width);
+ COMMAND_PARSE_NUMBER(uint, CMD_ARGV[4], c->bus_width);
+ c->default_padded_value = c->erased_value = 0xff;
+ c->minimal_write_gap = FLASH_WRITE_GAP_SECTOR;
int retval;
retval = CALL_COMMAND_HANDLER(driver->flash_bank_command, c);
- if (ERROR_OK != retval)
- {
- LOG_ERROR("'%s' driver rejected flash bank at 0x%8.8" PRIx32,
- driver_name, c->base);
+ if (ERROR_OK != retval) {
+ LOG_ERROR("'%s' driver rejected flash bank at " TARGET_ADDR_FMT
+ "; usage: %s", driver_name, c->base, driver->usage);
free(c);
return retval;
}
- return ERROR_OK;
+ if (driver->usage == NULL)
+ LOG_DEBUG("'%s' driver usage field missing", driver_name);
+
+ flash_bank_add(c);
+ return ERROR_OK;
}
+COMMAND_HANDLER(handle_flash_banks_command)
+{
+ if (CMD_ARGC != 0)
+ return ERROR_COMMAND_SYNTAX_ERROR;
+
+ unsigned n = 0;
+ for (struct flash_bank *p = flash_bank_list(); p; p = p->next, n++) {
+ command_print(CMD, "#%d : %s (%s) at " TARGET_ADDR_FMT ", size 0x%8.8" PRIx32 ", "
+ "buswidth %u, chipwidth %u", p->bank_number,
+ p->name, p->driver->name, p->base, p->size,
+ p->bus_width, p->chip_width);
+ }
+ return ERROR_OK;
+}
-static int jim_flash_banks(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
+static int jim_flash_list(Jim_Interp *interp, int argc, Jim_Obj * const *argv)
{
if (argc != 1) {
- Jim_WrongNumArgs(interp, 1, argv, "no arguments to flash_banks command");
+ Jim_WrongNumArgs(interp, 1, argv,
+ "no arguments to 'flash list' command");
return JIM_ERR;
}
Jim_Obj *list = Jim_NewListObj(interp, NULL, 0);
- for (struct flash_bank *p = flash_bank_list(); p; p = p->next)
- {
+ for (struct flash_bank *p = flash_bank_list(); p; p = p->next) {
Jim_Obj *elem = Jim_NewListObj(interp, NULL, 0);
Jim_ListAppendElement(interp, elem, Jim_NewStringObj(interp, "name", -1));
return JIM_OK;
}
-
COMMAND_HANDLER(handle_flash_init_command)
{
if (CMD_ARGC != 0)
return ERROR_COMMAND_SYNTAX_ERROR;
- static bool flash_initialized = false;
- if (flash_initialized)
- {
+ static bool flash_initialized;
+ if (flash_initialized) {
LOG_INFO("'flash init' has already been called");
return ERROR_OK;
}
static const struct command_registration flash_config_command_handlers[] = {
{
.name = "bank",
- .handler = &handle_flash_bank_command,
+ .handler = handle_flash_bank_command,
.mode = COMMAND_CONFIG,
- .usage = "<name> <driver> <base> <size> "
- "<chip_width> <bus_width> <target> "
+ .usage = "bank_id driver_name base_address size_bytes "
+ "chip_width_bytes bus_width_bytes target "
"[driver_options ...]",
.help = "Define a new bank with the given name, "
"using the specified NOR flash driver.",
{
.name = "init",
.mode = COMMAND_CONFIG,
- .handler = &handle_flash_init_command,
- .help = "initialize flash devices",
+ .handler = handle_flash_init_command,
+ .help = "Initialize flash devices.",
+ .usage = "",
},
{
.name = "banks",
.mode = COMMAND_ANY,
- .jim_handler = &jim_flash_banks,
- .help = "return information about the flash banks",
+ .handler = handle_flash_banks_command,
+ .help = "Display table with information about flash banks.",
+ .usage = "",
+ },
+ {
+ .name = "list",
+ .mode = COMMAND_ANY,
+ .jim_handler = jim_flash_list,
+ .help = "Returns a list of details about the flash banks.",
},
COMMAND_REGISTRATION_DONE
};
.mode = COMMAND_ANY,
.help = "NOR flash command group",
.chain = flash_config_command_handlers,
+ .usage = "",
},
COMMAND_REGISTRATION_DONE
};