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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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17
src/flash/nor/stm32f2x.c
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@@ -150,7 +150,6 @@
#define KEY2 0xCDEF89AB
struct stm32x_flash_bank {
struct working_area *write_algorithm;
int probed;
};
@@ -167,7 +166,6 @@ 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;
return ERROR_OK;
@@ -316,9 +314,9 @@ static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
uint32_t offset, uint32_t count)
{
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];
@@ -366,12 +364,12 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
};
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)
@@ -381,10 +379,9 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
while (target_alloc_working_area_try(target, buffer_size, &source) != ERROR_OK) {
buffer_size /= 2;
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;
@@ -410,7 +407,7 @@ 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) {
@@ -430,7 +427,7 @@ 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]);