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flash/nor: make all working area pointers local

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Working area pointers shouldn't be re-used, so there's no point in storing
them in the flash bank struct. Make all such pointers local.

Change-Id: Iab65b4e8b475fed7fc72fb8928f54590fa69d260
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/865
Tested-by: jenkins
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
This commit is contained in:
Andreas Fritiofson
2012-09-30 23:01:51 +02:00
committed by Spencer Oliver
parent 9fe0457c51
commit 4da4e1cfb7
11 changed files with 159 additions and 204 deletions
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16
src/flash/nor/stm32f1x.c
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@@ -110,7 +110,6 @@ struct stm32x_options {
struct stm32x_flash_bank {
struct stm32x_options option_bytes;
struct working_area *write_algorithm;
int ppage_size;
int probed;
@@ -134,7 +133,6 @@ FLASH_BANK_COMMAND_HANDLER(stm32x_flash_bank_command)
stm32x_info = malloc(sizeof(struct stm32x_flash_bank));
bank->driver_priv = stm32x_info;
stm32x_info->write_algorithm = NULL;
stm32x_info->probed = 0;
stm32x_info->has_dual_banks = false;
stm32x_info->register_base = FLASH_REG_BASE_B0;
@@ -603,6 +601,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
struct target *target = bank->target;
uint32_t buffer_size = 16384;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t address = bank->base + offset;
struct reg_param reg_params[5];
@@ -652,12 +651,12 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
/* flash write code */
if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code),
&stm32x_info->write_algorithm) != ERROR_OK) {
&write_algorithm) != ERROR_OK) {
LOG_WARNING("no working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
};
retval = target_write_buffer(target, stm32x_info->write_algorithm->address,
retval = target_write_buffer(target, write_algorithm->address,
sizeof(stm32x_flash_write_code), (uint8_t *)stm32x_flash_write_code);
if (retval != ERROR_OK)
return retval;
@@ -667,10 +666,9 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
buffer_size /= 2;
buffer_size &= ~3UL; /* Make sure it's 4 byte aligned */
if (buffer_size <= 256) {
/* if we already allocated the writing code, but failed to get a
/* we already allocated the writing code, but failed to get a
* buffer, free the algorithm */
if (stm32x_info->write_algorithm)
target_free_working_area(target, stm32x_info->write_algorithm);
target_free_working_area(target, write_algorithm);
LOG_WARNING("no large enough working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
@@ -696,7 +694,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
0, NULL,
5, reg_params,
source->address, source->size,
stm32x_info->write_algorithm->address, 0,
write_algorithm->address, 0,
&armv7m_info);
if (retval == ERROR_FLASH_OPERATION_FAILED) {
@@ -717,7 +715,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
}
target_free_working_area(target, source);
target_free_working_area(target, stm32x_info->write_algorithm);
target_free_working_area(target, write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);