flash/nor: make all working area pointers local

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

View File

@@ -825,8 +825,6 @@ FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
cfi_info->pri_ext = NULL;
bank->driver_priv = cfi_info;
cfi_info->write_algorithm = NULL;
cfi_info->x16_as_x8 = 0;
cfi_info->jedec_probe = 0;
cfi_info->not_cfi = 0;
@@ -838,8 +836,6 @@ FLASH_BANK_COMMAND_HANDLER(cfi_flash_bank_command)
cfi_info->jedec_probe = 1;
}
cfi_info->write_algorithm = NULL;
/* bank wasn't probed yet */
cfi_info->qry[0] = 0xff;
@@ -1143,10 +1139,10 @@ static uint32_t cfi_command_val(struct flash_bank *bank, uint8_t cmd)
static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
uint32_t address, uint32_t count)
{
struct cfi_flash_bank *cfi_info = bank->driver_priv;
struct target *target = bank->target;
struct reg_param reg_params[7];
struct arm_algorithm arm_algo;
struct working_area *write_algorithm;
struct working_area *source = NULL;
uint32_t buffer_size = 32768;
uint32_t write_command_val, busy_pattern_val, error_pattern_val;
@@ -1260,31 +1256,29 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
}
/* flash write code */
if (!cfi_info->write_algorithm) {
if (target_code_size > sizeof(target_code)) {
LOG_WARNING("Internal error - target code buffer to small. "
if (target_code_size > sizeof(target_code)) {
LOG_WARNING("Internal error - target code buffer to small. "
"Increase CFI_MAX_INTEL_CODESIZE and recompile.");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* Get memory for block write handler */
retval = target_alloc_working_area(target,
target_code_size,
&cfi_info->write_algorithm);
if (retval != ERROR_OK) {
LOG_WARNING("No working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
;
/* Get memory for block write handler */
retval = target_alloc_working_area(target,
target_code_size,
&write_algorithm);
if (retval != ERROR_OK) {
LOG_WARNING("No working area available, can't do block memory writes");
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
}
;
/* write algorithm code to working area */
retval = target_write_buffer(target, cfi_info->write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
LOG_ERROR("Unable to write block write code to target");
goto cleanup;
}
/* write algorithm code to working area */
retval = target_write_buffer(target, write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
LOG_ERROR("Unable to write block write code to target");
goto cleanup;
}
/* Get a workspace buffer for the data to flash starting with 32k size.
@@ -1340,8 +1334,8 @@ static int cfi_intel_write_block(struct flash_bank *bank, uint8_t *buffer,
/* Execute algorithm, assume breakpoint for last instruction */
retval = target_run_algorithm(target, 0, NULL, 7, reg_params,
cfi_info->write_algorithm->address,
cfi_info->write_algorithm->address + target_code_size -
write_algorithm->address,
write_algorithm->address + target_code_size -
sizeof(uint32_t),
10000, /* 10s should be enough for max. 32k of data */
&arm_algo);
@@ -1381,10 +1375,7 @@ cleanup:
if (source)
target_free_working_area(target, source);
if (cfi_info->write_algorithm) {
target_free_working_area(target, cfi_info->write_algorithm);
cfi_info->write_algorithm = NULL;
}
target_free_working_area(target, write_algorithm);
destroy_reg_param(&reg_params[0]);
destroy_reg_param(&reg_params[1]);
@@ -1405,6 +1396,7 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
struct target *target = bank->target;
struct reg_param reg_params[10];
struct mips32_algorithm mips32_info;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t buffer_size = 32768;
uint32_t status;
@@ -1518,44 +1510,42 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
}
/* flash write code */
if (!cfi_info->write_algorithm) {
uint8_t *target_code;
uint8_t *target_code;
/* convert bus-width dependent algorithm code to correct endiannes */
target_code = malloc(target_code_size);
if (target_code == NULL) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
&cfi_info->write_algorithm);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
/* write algorithm code to working area */
retval = target_write_buffer(target, cfi_info->write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
free(target_code);
/* convert bus-width dependent algorithm code to correct endiannes */
target_code = malloc(target_code_size);
if (target_code == NULL) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
&write_algorithm);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
/* write algorithm code to working area */
retval = target_write_buffer(target, write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
free(target_code);
/* the following code still assumes target code is fixed 24*4 bytes */
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 (cfi_info->write_algorithm)
target_free_working_area(target, cfi_info->write_algorithm);
target_free_working_area(target, write_algorithm);
LOG_WARNING(
"not enough working area available, can't do block memory writes");
@@ -1593,8 +1583,8 @@ static int cfi_spansion_write_block_mips(struct flash_bank *bank, uint8_t *buffe
buf_set_u32(reg_params[9].value, 0, 32, 0x55555555);
retval = target_run_algorithm(target, 0, NULL, 10, reg_params,
cfi_info->write_algorithm->address,
cfi_info->write_algorithm->address + ((target_code_size) - 4),
write_algorithm->address,
write_algorithm->address + ((target_code_size) - 4),
10000, &mips32_info);
if (retval != ERROR_OK)
break;
@@ -1637,6 +1627,7 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
void *arm_algo;
struct arm_algorithm armv4_5_algo;
struct armv7m_algorithm armv7m_algo;
struct working_area *write_algorithm;
struct working_area *source;
uint32_t buffer_size = 32768;
uint32_t status;
@@ -1880,44 +1871,42 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
}
/* flash write code */
if (!cfi_info->write_algorithm) {
uint8_t *target_code;
uint8_t *target_code;
/* convert bus-width dependent algorithm code to correct endiannes */
target_code = malloc(target_code_size);
if (target_code == NULL) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
&cfi_info->write_algorithm);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
/* write algorithm code to working area */
retval = target_write_buffer(target, cfi_info->write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
free(target_code);
/* convert bus-width dependent algorithm code to correct endiannes */
target_code = malloc(target_code_size);
if (target_code == NULL) {
LOG_ERROR("Out of memory");
return ERROR_FAIL;
}
cfi_fix_code_endian(target, target_code, target_code_src, target_code_size / 4);
/* allocate working area */
retval = target_alloc_working_area(target, target_code_size,
&write_algorithm);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
/* write algorithm code to working area */
retval = target_write_buffer(target, write_algorithm->address,
target_code_size, target_code);
if (retval != ERROR_OK) {
free(target_code);
return retval;
}
free(target_code);
/* the following code still assumes target code is fixed 24*4 bytes */
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 (cfi_info->write_algorithm)
target_free_working_area(target, cfi_info->write_algorithm);
target_free_working_area(target, write_algorithm);
LOG_WARNING(
"not enough working area available, can't do block memory writes");
@@ -1955,8 +1944,8 @@ static int cfi_spansion_write_block(struct flash_bank *bank, uint8_t *buffer,
buf_set_u32(reg_params[9].value, 0, 32, 0x55555555);
retval = target_run_algorithm(target, 0, NULL, 10, reg_params,
cfi_info->write_algorithm->address,
cfi_info->write_algorithm->address + ((target_code_size) - 4),
write_algorithm->address,
write_algorithm->address + ((target_code_size) - 4),
10000, arm_algo);
if (retval != ERROR_OK)
break;