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flash/nor/tcl: Respect flash bank boundary in verify_bank 

Respect the flash bank boundary and compare only the remaining content
of the bank even if the file content is larger.

Change-Id: I4d75979c7893fdd4d18372fa6b0321a0486b4fa9
Signed-off-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-on: http://openocd.zylin.com/3859
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
macbuild
Marc Schink 2016-11-04 08:18:45 +01:00 committed by Freddie Chopin
parent 2c8602ed9f
commit 2de82d39a2
1 changed files with 22 additions and 9 deletions
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31
src/flash/nor/tcl.c
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@ -705,6 +705,7 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
struct fileio *fileio;
size_t read_cnt;
size_t filesize;
size_t length;
int differ;
if (CMD_ARGC < 2 || CMD_ARGC > 3)
@ -741,14 +742,26 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
return retval;
}
buffer_file = malloc(filesize);
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, filesize, buffer_file, &read_cnt);
retval = fileio_read(fileio, length, buffer_file, &read_cnt);
fileio_close(fileio);
if (retval != ERROR_OK) {
LOG_ERROR("File read failure");
@ -756,20 +769,20 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
return retval;
}
if (read_cnt != filesize) {
if (read_cnt != length) {
LOG_ERROR("Short read");
free(buffer_file);
return ERROR_FAIL;
}
buffer_flash = malloc(filesize);
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, read_cnt);
retval = flash_driver_read(p, buffer_flash, offset, length);
if (retval != ERROR_OK) {
LOG_ERROR("Flash read error");
free(buffer_flash);
@ -780,15 +793,15 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
if (duration_measure(&bench) == ERROR_OK)
command_print(CMD_CTX, "read %zd bytes from file %s and flash bank %u"
" at offset 0x%8.8" PRIx32 " in %fs (%0.3f KiB/s)",
read_cnt, CMD_ARGV[1], p->bank_number, offset,
duration_elapsed(&bench), duration_kbps(&bench, read_cnt));
length, CMD_ARGV[1], p->bank_number, offset,
duration_elapsed(&bench), duration_kbps(&bench, length));
differ = memcmp(buffer_file, buffer_flash, read_cnt);
differ = memcmp(buffer_file, buffer_flash, length);
command_print(CMD_CTX, "contents %s", differ ? "differ" : "match");
if (differ) {
uint32_t t;
int diffs = 0;
for (t = 0; t < read_cnt; t++) {
for (t = 0; t < length; t++) {
if (buffer_flash[t] == buffer_file[t])
continue;
command_print(CMD_CTX, "diff %d address 0x%08x. Was 0x%02x instead of 0x%02x",