Since
e22c6484eaedd56d71 the trial/error allocation shows
"not enough working area available(requested 2048)" message
on klx.cfg. The message is not clear if it means a problem or not.
Replace with new style allocation using target_get_working_area_avail()
Change-Id: I87fe1e38248fcac29982b72aaba12217a0552f38
Signed-off-by: Tomas Vanek <vanekt@fbl.cz>
Reviewed-on: http://openocd.zylin.com/5752
Tested-by: jenkins
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
uint32_t offset, uint32_t wcount)
{
struct target *target = bank->target;
uint32_t offset, uint32_t wcount)
{
struct target *target = bank->target;
- uint32_t buffer_size = 2048; /* Default minimum value */
struct working_area *write_algorithm;
struct working_area *source;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
struct working_area *write_algorithm;
struct working_area *source;
struct kinetis_flash_bank *k_bank = bank->driver_priv;
int retval;
uint8_t fstat;
int retval;
uint8_t fstat;
- /* Increase buffer_size if needed */
- if (buffer_size < (target->working_area_size/2))
- buffer_size = (target->working_area_size/2);
-
/* allocate working area with flash programming code */
if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code),
&write_algorithm) != ERROR_OK) {
/* allocate working area with flash programming code */
if (target_alloc_working_area(target, sizeof(kinetis_flash_write_code),
&write_algorithm) != ERROR_OK) {
if (retval != ERROR_OK)
return retval;
if (retval != ERROR_OK)
return retval;
- /* memory buffer */
- while (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
- buffer_size /= 4;
- if (buffer_size <= 256) {
- /* free working area, write algorithm already allocated */
- target_free_working_area(target, write_algorithm);
+ /* memory buffer, size *must* be multiple of word */
+ buffer_size = target_get_working_area_avail(target) & ~(sizeof(uint32_t) - 1);
+ if (buffer_size < 256) {
+ LOG_WARNING("large enough working area not available, can't do block memory writes");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ } else if (buffer_size > 16384) {
+ /* probably won't benefit from more than 16k ... */
+ buffer_size = 16384;
+ }
- LOG_WARNING("No large enough working area available, can't do block memory writes");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- }
+ if (target_alloc_working_area(target, buffer_size, &source) != ERROR_OK) {
+ LOG_ERROR("allocating working area failed");
+ return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
}
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;