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/* ... */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <flash/common.h>
#include <flash/nor/core.h>
#include <flash/nor/imp.h>
#include <target/image.h>
/* ... */
static struct flash_bank *flash_banks;
int flash_driver_erase(struct flash_bank *bank, unsigned int first,
unsigned int last)
{
int retval;
retval = bank->driver->erase(bank, first, last);
if (retval != ERROR_OK)
LOG_ERROR("failed erasing sectors %u to %u", first, last);
return retval;
}{ ... }
int flash_driver_protect(struct flash_bank *bank, int set, unsigned int first,
unsigned int last)
{
int retval;
unsigned int num_blocks;
if (bank->num_prot_blocks)
num_blocks = bank->num_prot_blocks;
else
num_blocks = bank->num_sectors;
if (first > last || last >= num_blocks) {
LOG_ERROR("illegal protection block range");
return ERROR_FAIL;
}if (first > last || last >= num_blocks) { ... }
set = !!set;
if (!bank->driver->protect) {
LOG_ERROR("Flash protection is not supported.");
return ERROR_FLASH_OPER_UNSUPPORTED;
}if (!bank->driver->protect) { ... }
/* ... */
retval = bank->driver->protect(bank, set, first, last);
if (retval != ERROR_OK)
LOG_ERROR("failed setting protection for blocks %u to %u", first, last);
return retval;
}{ ... }
int flash_driver_write(struct flash_bank *bank,
const uint8_t *buffer, uint32_t offset, uint32_t count)
{
int retval;
retval = bank->driver->write(bank, buffer, offset, count);
if (retval != ERROR_OK) {
LOG_ERROR(
"error writing to flash at address " TARGET_ADDR_FMT
" at offset 0x%8.8" PRIx32,
bank->base,
offset);
}if (retval != ERROR_OK) { ... }
return retval;
}{ ... }
int flash_driver_read(struct flash_bank *bank,
uint8_t *buffer, uint32_t offset, uint32_t count)
{
int retval;
LOG_DEBUG("call flash_driver_read()");
retval = bank->driver->read(bank, buffer, offset, count);
if (retval != ERROR_OK) {
LOG_ERROR(
"error reading to flash at address " TARGET_ADDR_FMT
" at offset 0x%8.8" PRIx32,
bank->base,
offset);
}if (retval != ERROR_OK) { ... }
return retval;
}{ ... }
int default_flash_read(struct flash_bank *bank,
uint8_t *buffer, uint32_t offset, uint32_t count)
{
return target_read_buffer(bank->target, offset + bank->base, count, buffer);
}{ ... }
int flash_driver_verify(struct flash_bank *bank,
const uint8_t *buffer, uint32_t offset, uint32_t count)
{
int retval;
retval = bank->driver->verify ? bank->driver->verify(bank, buffer, offset, count) :
default_flash_verify(bank, buffer, offset, count);
if (retval != ERROR_OK) {
LOG_ERROR("verify failed in bank at " TARGET_ADDR_FMT " starting at 0x%8.8" PRIx32,
bank->base, offset);
}if (retval != ERROR_OK) { ... }
return retval;
}{ ... }
int default_flash_verify(struct flash_bank *bank,
const uint8_t *buffer, uint32_t offset, uint32_t count)
{
uint32_t target_crc, image_crc;
int retval;
retval = image_calculate_checksum(buffer, count, &image_crc);
if (retval != ERROR_OK)
return retval;
retval = target_checksum_memory(bank->target, offset + bank->base, count, &target_crc);
if (retval != ERROR_OK)
return retval;
LOG_DEBUG("addr " TARGET_ADDR_FMT ", len 0x%08" PRIx32 ", crc 0x%08" PRIx32 " 0x%08" PRIx32,
offset + bank->base, count, ~image_crc, ~target_crc);
if (target_crc == image_crc)
return ERROR_OK;
else
return ERROR_FAIL;
}{ ... }
void flash_bank_add(struct flash_bank *bank)
{
unsigned bank_num = 0;
if (flash_banks) {
struct flash_bank *p = flash_banks;
while (p->next) {
bank_num += 1;
p = p->next;
}while (p->next) { ... }
p->next = bank;
bank_num += 1;
}if (flash_banks) { ... } else
flash_banks = bank;
bank->bank_number = bank_num;
}{ ... }
struct flash_bank *flash_bank_list(void)
{
return flash_banks;
}{ ... }
struct flash_bank *get_flash_bank_by_num_noprobe(unsigned int num)
{
struct flash_bank *p;
unsigned int i = 0;
for (p = flash_banks; p; p = p->next) {
if (i++ == num)
return p;
}for (p = flash_banks; p; p = p->next) { ... }
LOG_ERROR("flash bank %d does not exist", num);
return NULL;
}{ ... }
unsigned int flash_get_bank_count(void)
{
struct flash_bank *p;
unsigned int i = 0;
for (p = flash_banks; p; p = p->next)
i++;
return i;
}{ ... }
void default_flash_free_driver_priv(struct flash_bank *bank)
{
free(bank->driver_priv);
bank->driver_priv = NULL;
}{ ... }
void flash_free_all_banks(void)
{
struct flash_bank *bank = flash_banks;
while (bank) {
struct flash_bank *next = bank->next;
if (bank->driver->free_driver_priv)
bank->driver->free_driver_priv(bank);
else
LOG_WARNING("Flash driver of %s does not support free_driver_priv()", bank->name);
/* ... */
if (strcmp(bank->driver->name, "virtual") != 0) {
free(bank->sectors);
free(bank->prot_blocks);
}if (strcmp(bank->driver->name, "virtual") != 0) { ... }
free(bank->name);
free(bank);
bank = next;
}while (bank) { ... }
flash_banks = NULL;
}{ ... }
struct flash_bank *get_flash_bank_by_name_noprobe(const char *name)
{
unsigned requested = get_flash_name_index(name);
unsigned found = 0;
struct flash_bank *bank;
for (bank = flash_banks; bank; bank = bank->next) {
if (strcmp(bank->name, name) == 0)
return bank;
if (!flash_driver_name_matches(bank->driver->name, name))
continue;
if (++found < requested)
continue;
return bank;
}for (bank = flash_banks; bank; bank = bank->next) { ... }
return NULL;
}{ ... }
int get_flash_bank_by_name(const char *name, struct flash_bank **bank_result)
{
struct flash_bank *bank;
int retval;
bank = get_flash_bank_by_name_noprobe(name);
if (bank) {
retval = bank->driver->auto_probe(bank);
if (retval != ERROR_OK) {
LOG_ERROR("auto_probe failed");
return retval;
}if (retval != ERROR_OK) { ... }
}if (bank) { ... }
*bank_result = bank;
return ERROR_OK;
}{ ... }
int get_flash_bank_by_num(unsigned int num, struct flash_bank **bank)
{
struct flash_bank *p = get_flash_bank_by_num_noprobe(num);
int retval;
if (!p)
return ERROR_FAIL;
retval = p->driver->auto_probe(p);
if (retval != ERROR_OK) {
LOG_ERROR("auto_probe failed");
return retval;
}if (retval != ERROR_OK) { ... }
*bank = p;
return ERROR_OK;
}{ ... }
/* ... */
int get_flash_bank_by_addr(struct target *target,
target_addr_t addr,
bool check,
struct flash_bank **result_bank)
{
struct flash_bank *c;
for (c = flash_banks; c; c = c->next) {
if (c->target != target)
continue;
int retval;
retval = c->driver->auto_probe(c);
if (retval != ERROR_OK) {
LOG_ERROR("auto_probe failed");
return retval;
}if (retval != ERROR_OK) { ... }
if ((addr >= c->base) && (addr <= c->base + (c->size - 1))) {
*result_bank = c;
return ERROR_OK;
}if ((addr >= c->base) && (addr <= c->base + (c->size - 1))) { ... }
}for (c = flash_banks; c; c = c->next) { ... }
*result_bank = NULL;
if (check) {
LOG_ERROR("No flash at address " TARGET_ADDR_FMT, addr);
return ERROR_FAIL;
}if (check) { ... }
return ERROR_OK;
}{ ... }
static int default_flash_mem_blank_check(struct flash_bank *bank)
{
struct target *target = bank->target;
const int buffer_size = 1024;
uint32_t n_bytes;
int retval = ERROR_OK;
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}if (bank->target->state != TARGET_HALTED) { ... }
uint8_t *buffer = malloc(buffer_size);
for (unsigned int i = 0; i < bank->num_sectors; i++) {
uint32_t j;
bank->sectors[i].is_erased = 1;
for (j = 0; j < bank->sectors[i].size; j += buffer_size) {
uint32_t chunk;
chunk = buffer_size;
if (chunk > (bank->sectors[i].size - j))
chunk = (bank->sectors[i].size - j);
retval = target_read_memory(target,
bank->base + bank->sectors[i].offset + j,
4,
chunk/4,
buffer);
if (retval != ERROR_OK)
goto done;
for (n_bytes = 0; n_bytes < chunk; n_bytes++) {
if (buffer[n_bytes] != bank->erased_value) {
bank->sectors[i].is_erased = 0;
break;
}if (buffer[n_bytes] != bank->erased_value) { ... }
}for (n_bytes = 0; n_bytes < chunk; n_bytes++) { ... }
}for (j = 0; j < bank->sectors[i].size; j += buffer_size) { ... }
}for (unsigned int i = 0; i < bank->num_sectors; i++) { ... }
done:
free(buffer);
return retval;
}{ ... }
int default_flash_blank_check(struct flash_bank *bank)
{
struct target *target = bank->target;
int retval;
if (bank->target->state != TARGET_HALTED) {
LOG_ERROR("Target not halted");
return ERROR_TARGET_NOT_HALTED;
}if (bank->target->state != TARGET_HALTED) { ... }
struct target_memory_check_block *block_array;
block_array = malloc(bank->num_sectors * sizeof(struct target_memory_check_block));
if (!block_array)
return default_flash_mem_blank_check(bank);
for (unsigned int i = 0; i < bank->num_sectors; i++) {
block_array[i].address = bank->base + bank->sectors[i].offset;
block_array[i].size = bank->sectors[i].size;
block_array[i].result = UINT32_MAX;
}for (unsigned int i = 0; i < bank->num_sectors; i++) { ... }
bool fast_check = true;
for (unsigned int i = 0; i < bank->num_sectors; ) {
retval = target_blank_check_memory(target,
block_array + i, bank->num_sectors - i,
bank->erased_value);
if (retval < 1) {
/* ... */
if (i == 0)
fast_check = false;
break;
}if (retval < 1) { ... }
i += retval;
}for (unsigned int i = 0; i < bank->num_sectors;) { ... }
if (fast_check) {
for (unsigned int i = 0; i < bank->num_sectors; i++)
bank->sectors[i].is_erased = block_array[i].result;
retval = ERROR_OK;
}if (fast_check) { ... } else {
if (retval == ERROR_NOT_IMPLEMENTED)
LOG_USER("Running slow fallback erase check");
else
LOG_USER("Running slow fallback erase check - add working memory");
retval = default_flash_mem_blank_check(bank);
}else { ... }
free(block_array);
return retval;
}{ ... }
/* ... */
static int flash_iterate_address_range_inner(struct target *target,
char *pad_reason, target_addr_t addr, uint32_t length,
bool iterate_protect_blocks,
int (*callback)(struct flash_bank *bank, unsigned int first,
unsigned int last))
{
struct flash_bank *c;
struct flash_sector *block_array;
target_addr_t last_addr = addr + length - 1;
int first = -1;
int last = -1;
int i;
int num_blocks;
int retval = get_flash_bank_by_addr(target, addr, true, &c);
if (retval != ERROR_OK)
return retval;
if (c->size == 0 || c->num_sectors == 0) {
LOG_ERROR("Bank is invalid");
return ERROR_FLASH_BANK_INVALID;
}if (c->size == 0 || c->num_sectors == 0) { ... }
if (length == 0) {
if (addr != c->base) {
LOG_ERROR("Whole bank access must start at beginning of bank.");
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
}if (addr != c->base) { ... }
return callback(c, 0, c->num_sectors - 1);
}if (length == 0) { ... }
if (last_addr > c->base + c->size - 1) {
LOG_ERROR("Flash access does not fit into bank.");
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
}if (last_addr > c->base + c->size - 1) { ... }
if (!c->prot_blocks || c->num_prot_blocks == 0) {
iterate_protect_blocks = false;
}if (!c->prot_blocks || c->num_prot_blocks == 0) { ... }
if (iterate_protect_blocks) {
block_array = c->prot_blocks;
num_blocks = c->num_prot_blocks;
}if (iterate_protect_blocks) { ... } else {
block_array = c->sectors;
num_blocks = c->num_sectors;
}else { ... }
for (i = 0; i < num_blocks; i++) {
struct flash_sector *f = &block_array[i];
target_addr_t sector_addr = c->base + f->offset;
target_addr_t sector_last_addr = sector_addr + f->size - 1;
if (first < 0) {
if (addr < sector_addr)
break;
if (addr == sector_addr)
first = i;
/* ... */
else if (addr <= sector_last_addr && pad_reason) {
LOG_WARNING("Adding extra %s range, "
TARGET_ADDR_FMT " .. " TARGET_ADDR_FMT,
pad_reason,
sector_addr,
addr - 1);
first = i;
}else if (addr <= sector_last_addr && pad_reason) { ... } else
continue;
}if (first < 0) { ... }
if (last_addr == sector_last_addr) {
last = i;
break;
}if (last_addr == sector_last_addr) { ... }
/* ... */
if (last_addr < sector_last_addr && pad_reason) {
LOG_WARNING("Adding extra %s range, "
TARGET_ADDR_FMT " .. " TARGET_ADDR_FMT,
pad_reason,
last_addr + 1,
sector_last_addr);
last = i;
break;
}if (last_addr < sector_last_addr && pad_reason) { ... }
if (last_addr < sector_addr)
break;
}for (i = 0; i < num_blocks; i++) { ... }
if (first == -1 || last == -1) {
LOG_ERROR("address range " TARGET_ADDR_FMT " .. " TARGET_ADDR_FMT
" is not sector-aligned",
addr,
last_addr);
return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
}if (first == -1 || last == -1) { ... }
/* ... */
return callback(c, first, last);
}{ ... }
/* ... */
static int flash_iterate_address_range(struct target *target,
char *pad_reason, target_addr_t addr, uint32_t length,
bool iterate_protect_blocks,
int (*callback)(struct flash_bank *bank, unsigned int first,
unsigned int last))
{
struct flash_bank *c;
int retval = ERROR_OK;
do {
retval = get_flash_bank_by_addr(target, addr, true, &c);
if (retval != ERROR_OK)
return retval;
uint32_t cur_length = length;
if (addr + length - 1 > c->base + c->size - 1) {
LOG_DEBUG("iterating over more than one flash bank.");
cur_length = c->base + c->size - addr;
}if (addr + length - 1 > c->base + c->size - 1) { ... }
retval = flash_iterate_address_range_inner(target,
pad_reason, addr, cur_length,
iterate_protect_blocks,
callback);
if (retval != ERROR_OK)
break;
length -= cur_length;
addr += cur_length;
...} while (length > 0);
return retval;
}{ ... }
int flash_erase_address_range(struct target *target,
bool pad, target_addr_t addr, uint32_t length)
{
return flash_iterate_address_range(target, pad ? "erase" : NULL,
addr, length, false, &flash_driver_erase);
}{ ... }
static int flash_driver_unprotect(struct flash_bank *bank, unsigned int first,
unsigned int last)
{
return flash_driver_protect(bank, 0, first, last);
}{ ... }
int flash_unlock_address_range(struct target *target, target_addr_t addr,
uint32_t length)
{
/* ... */
return flash_iterate_address_range(target, "unprotect",
addr, length, true, &flash_driver_unprotect);
}{ ... }
static int compare_section(const void *a, const void *b)
{
struct imagesection *b1, *b2;
b1 = *((struct imagesection **)a);
b2 = *((struct imagesection **)b);
if (b1->base_address == b2->base_address)
return 0;
else if (b1->base_address > b2->base_address)
return 1;
else
return -1;
}{ ... }
/* ... */
target_addr_t flash_write_align_start(struct flash_bank *bank, target_addr_t addr)
{
if (addr < bank->base || addr >= bank->base + bank->size
|| bank->write_start_alignment <= 1)
return addr;
if (bank->write_start_alignment == FLASH_WRITE_ALIGN_SECTOR) {
uint32_t offset = addr - bank->base;
uint32_t aligned = 0;
for (unsigned int sect = 0; sect < bank->num_sectors; sect++) {
if (bank->sectors[sect].offset > offset)
break;
aligned = bank->sectors[sect].offset;
}for (unsigned int sect = 0; sect < bank->num_sectors; sect++) { ... }
return bank->base + aligned;
}if (bank->write_start_alignment == FLASH_WRITE_ALIGN_SECTOR) { ... }
return addr & ~(bank->write_start_alignment - 1);
}{ ... }
/* ... */
target_addr_t flash_write_align_end(struct flash_bank *bank, target_addr_t addr)
{
if (addr < bank->base || addr >= bank->base + bank->size
|| bank->write_end_alignment <= 1)
return addr;
if (bank->write_end_alignment == FLASH_WRITE_ALIGN_SECTOR) {
uint32_t offset = addr - bank->base;
uint32_t aligned = 0;
for (unsigned int sect = 0; sect < bank->num_sectors; sect++) {
aligned = bank->sectors[sect].offset + bank->sectors[sect].size - 1;
if (aligned >= offset)
break;
}for (unsigned int sect = 0; sect < bank->num_sectors; sect++) { ... }
return bank->base + aligned;
}if (bank->write_end_alignment == FLASH_WRITE_ALIGN_SECTOR) { ... }
return addr | (bank->write_end_alignment - 1);
}{ ... }
/* ... */
static bool flash_write_check_gap(struct flash_bank *bank,
target_addr_t addr1, target_addr_t addr2)
{
if (bank->minimal_write_gap == FLASH_WRITE_CONTINUOUS
|| addr1 < bank->base || addr1 >= bank->base + bank->size
|| addr2 < bank->base || addr2 >= bank->base + bank->size)
return false;
if (bank->minimal_write_gap == FLASH_WRITE_GAP_SECTOR) {
unsigned int sect;
uint32_t offset1 = addr1 - bank->base;
for (sect = 0; sect < bank->num_sectors; sect++) {
if (bank->sectors[sect].offset > offset1)
break;
}for (sect = 0; sect < bank->num_sectors; sect++) { ... }
if (sect >= bank->num_sectors)
return false;
uint32_t offset2 = addr2 - bank->base;
return bank->sectors[sect].offset + bank->sectors[sect].size <= offset2;
}if (bank->minimal_write_gap == FLASH_WRITE_GAP_SECTOR) { ... }
target_addr_t aligned1 = flash_write_align_end(bank, addr1);
target_addr_t aligned2 = flash_write_align_start(bank, addr2);
return aligned1 + bank->minimal_write_gap < aligned2;
}{ ... }
int flash_write_unlock_verify(struct target *target, struct image *image,
uint32_t *written, bool erase, bool unlock, bool write, bool verify)
{
int retval = ERROR_OK;
unsigned int section;
uint32_t section_offset;
struct flash_bank *c;
int *padding;
section = 0;
section_offset = 0;
if (written)
*written = 0;
if (erase) {
/* ... */
flash_set_dirty();
}if (erase) { ... }
padding = calloc(image->num_sections, sizeof(*padding));
/* ... */
struct imagesection **sections = malloc(sizeof(struct imagesection *) *
image->num_sections);
unsigned int i, total_size = 0;
for (i = 0; i < image->num_sections; i++)
{
sections[i] = &image->sections[i];
total_size += sections[i]->size;
}for (i = 0; i < image->num_sections; i++) { ... }
if (target->report_flash_progress)
{
LOG_INFO("Programming FLASH (%d sections, %d bytes)...", image->num_sections, total_size);
}if (target->report_flash_progress) { ... }
qsort(sections, image->num_sections, sizeof(struct imagesection *),
compare_section);
while (section < image->num_sections) {
uint32_t buffer_idx;
uint8_t *buffer;
unsigned int section_last;
target_addr_t run_address = sections[section]->base_address + section_offset;
uint32_t run_size = sections[section]->size - section_offset;
int pad_bytes = 0;
if (!section_offset && target->report_flash_progress)
{
LOG_INFO("Programming FLASH section %d/%d (%d bytes) at 0x%08x...", section + 1, image->num_sections, sections[section]->size, sections[section]->base_address);
}if (!section_offset && target->report_flash_progress) { ... }
if (sections[section]->size == 0) {
LOG_WARNING("empty section %d", section);
section++;
section_offset = 0;
continue;
}if (sections[section]->size == 0) { ... }
retval = get_flash_bank_by_addr(target, run_address, false, &c);
if (retval != ERROR_OK)
goto done;
if (!c) {
LOG_WARNING("no flash bank found for address " TARGET_ADDR_FMT, run_address);
section++;
section_offset = 0;
continue;
}if (!c) { ... }
section_last = section;
padding[section] = 0;
while ((run_address + run_size - 1 < c->base + c->size - 1) &&
(section_last + 1 < image->num_sections)) {
assert(sections[section_last + 1]->base_address >= c->base);
if (sections[section_last + 1]->base_address >= (c->base + c->size)) {
break;
}if (sections[section_last + 1]->base_address >= (c->base + c->size)) { ... }
/* ... */
target_addr_t run_next_addr = run_address + run_size;
target_addr_t next_section_base = sections[section_last + 1]->base_address;
if (next_section_base < run_next_addr) {
LOG_ERROR("Section at " TARGET_ADDR_FMT
" overlaps section ending at " TARGET_ADDR_FMT,
next_section_base, run_next_addr);
LOG_ERROR("Flash write aborted.");
retval = ERROR_FAIL;
goto done;
}if (next_section_base < run_next_addr) { ... }
pad_bytes = next_section_base - run_next_addr;
if (pad_bytes) {
if (flash_write_check_gap(c, run_next_addr - 1, next_section_base)) {
LOG_INFO("Flash write discontinued at " TARGET_ADDR_FMT
", next section at " TARGET_ADDR_FMT,
run_next_addr, next_section_base);
break;
}if (flash_write_check_gap(c, run_next_addr - 1, next_section_base)) { ... }
}if (pad_bytes) { ... }
if (pad_bytes > 0)
LOG_INFO("Padding image section %d at " TARGET_ADDR_FMT
" with %d bytes",
section_last, run_next_addr, pad_bytes);
padding[section_last] = pad_bytes;
run_size += pad_bytes;
run_size += sections[++section_last]->size;
}while ((run_address + run_size - 1 < c->base + c->size - 1) && (section_last + 1 < image->num_sections)) { ... }
if (run_address + run_size - 1 > c->base + c->size - 1) {
/* ... */
LOG_DEBUG("Truncate flash run size to the current flash chip.");
run_size = c->base + c->size - run_address;
assert(run_size > 0);
}if (run_address + run_size - 1 > c->base + c->size - 1) { ... }
uint32_t padding_at_start = 0;
if (c->write_start_alignment || c->write_end_alignment) {
target_addr_t aligned_start = flash_write_align_start(c, run_address);
padding_at_start = run_address - aligned_start;
if (padding_at_start > 0) {
LOG_WARNING("Section start address " TARGET_ADDR_FMT
" breaks the required alignment of flash bank %s",
run_address, c->name);
LOG_WARNING("Padding %" PRIu32 " bytes from " TARGET_ADDR_FMT,
padding_at_start, aligned_start);
run_address -= padding_at_start;
run_size += padding_at_start;
}if (padding_at_start > 0) { ... }
target_addr_t run_end = run_address + run_size - 1;
target_addr_t aligned_end = flash_write_align_end(c, run_end);
pad_bytes = aligned_end - run_end;
if (pad_bytes > 0) {
LOG_INFO("Padding image section %d at " TARGET_ADDR_FMT
" with %d bytes (bank write end alignment)",
section_last, run_end + 1, pad_bytes);
padding[section_last] += pad_bytes;
run_size += pad_bytes;
}if (pad_bytes > 0) { ... }
}if (c->write_start_alignment || c->write_end_alignment) { ... } else if (unlock || erase) {
/* ... */
uint32_t offset_start = run_address - c->base;
uint32_t offset_end = offset_start + run_size;
uint32_t end = offset_end, delta;
for (unsigned int sector = 0; sector < c->num_sectors; sector++) {
end = c->sectors[sector].offset
+ c->sectors[sector].size;
if (offset_end <= end)
break;
}for (unsigned int sector = 0; sector < c->num_sectors; sector++) { ... }
delta = end - offset_end;
padding[section_last] += delta;
run_size += delta;
}else if (unlock || erase) { ... }
buffer = malloc(run_size);
if (!buffer) {
LOG_ERROR("Out of memory for flash bank buffer");
retval = ERROR_FAIL;
goto done;
}if (!buffer) { ... }
if (padding_at_start)
memset(buffer, c->default_padded_value, padding_at_start);
buffer_idx = padding_at_start;
while (buffer_idx < run_size) {
size_t size_read;
size_read = run_size - buffer_idx;
if (size_read > sections[section]->size - section_offset)
size_read = sections[section]->size - section_offset;
/* ... */
intptr_t diff = (intptr_t)sections[section] - (intptr_t)image->sections;
int t_section_num = diff / sizeof(struct imagesection);
LOG_DEBUG("image_read_section: section = %d, t_section_num = %d, "
"section_offset = %"PRIu32", buffer_idx = %"PRIu32", size_read = %zu",
section, t_section_num, section_offset,
buffer_idx, size_read);
retval = image_read_section(image, t_section_num, section_offset,
size_read, buffer + buffer_idx, &size_read);
if (retval != ERROR_OK || size_read == 0) {
free(buffer);
goto done;
}if (retval != ERROR_OK || size_read == 0) { ... }
buffer_idx += size_read;
section_offset += size_read;
if (padding[section]) {
memset(buffer + buffer_idx, c->default_padded_value, padding[section]);
buffer_idx += padding[section];
}if (padding[section]) { ... }
if (section_offset >= sections[section]->size) {
section++;
section_offset = 0;
}if (section_offset >= sections[section]->size) { ... }
}while (buffer_idx < run_size) { ... }
retval = ERROR_OK;
if (unlock)
retval = flash_unlock_address_range(target, run_address, run_size);
if (retval == ERROR_OK) {
if (erase) {
retval = flash_erase_address_range(target,
true, run_address, run_size);
}if (erase) { ... }
}if (retval == ERROR_OK) { ... }
if (retval == ERROR_OK) {
if (write) {
retval = flash_driver_write(c, buffer, run_address - c->base, run_size);
}if (write) { ... }
}if (retval == ERROR_OK) { ... }
if (retval == ERROR_OK) {
if (verify) {
retval = flash_driver_verify(c, buffer, run_address - c->base, run_size);
}if (verify) { ... }
}if (retval == ERROR_OK) { ... }
free(buffer);
if (retval != ERROR_OK) {
goto done;
}if (retval != ERROR_OK) { ... }
if (written)
*written += run_size;
}while (section < image->num_sections) { ... }
done:
free(sections);
free(padding);
return retval;
}{ ... }
int flash_write(struct target *target, struct image *image,
uint32_t *written, bool erase)
{
return flash_write_unlock_verify(target, image, written, erase, false, true, false);
}{ ... }
struct flash_sector *alloc_block_array(uint32_t offset, uint32_t size,
unsigned int num_blocks)
{
struct flash_sector *array = calloc(num_blocks, sizeof(struct flash_sector));
if (!array)
return NULL;
for (unsigned int i = 0; i < num_blocks; i++) {
array[i].offset = offset;
array[i].size = size;
array[i].is_erased = -1;
array[i].is_protected = -1;
offset += size;
}for (unsigned int i = 0; i < num_blocks; i++) { ... }
return array;
}{ ... }