STM32: flash loader cleanup
authorSpencer Oliver <ntfreak@users.sourceforge.net>
Mon, 8 Mar 2010 20:32:11 +0000 (20:32 +0000)
committerSpencer Oliver <ntfreak@users.sourceforge.net>
Wed, 10 Mar 2010 20:32:18 +0000 (20:32 +0000)
- make algorithm array static const.

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
src/flash/nor/stm32x.c

index ebdcde7..845d589 100644 (file)
@@ -362,9 +362,11 @@ static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
                return ERROR_TARGET_NOT_HALTED;
        }
 
-       if ((first && (first % stm32x_info->ppage_size)) || ((last + 1) && (last + 1) % stm32x_info->ppage_size))
+       if ((first && (first % stm32x_info->ppage_size)) || ((last + 1) &&
+                       (last + 1) % stm32x_info->ppage_size))
        {
-               LOG_WARNING("Error: start and end sectors must be on a %d sector boundary", stm32x_info->ppage_size);
+               LOG_WARNING("Error: start and end sectors must be on a %d sector boundary",
+                               stm32x_info->ppage_size);
                return ERROR_FLASH_SECTOR_INVALID;
        }
 
@@ -432,7 +434,8 @@ static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
        return stm32x_write_options(bank);
 }
 
-static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+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;
@@ -443,7 +446,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t
        struct armv7m_algorithm armv7m_info;
        int retval = ERROR_OK;
 
-       uint8_t stm32x_flash_write_code[] = {
+       static const uint8_t stm32x_flash_write_code[] = {
                                                                        /* write: */
                0xDF, 0xF8, 0x24, 0x40,         /* ldr  r4, STM32_FLASH_CR */
                0x09, 0x4D,                                     /* ldr  r5, STM32_FLASH_SR */
@@ -465,13 +468,16 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t
        };
 
        /* flash write code */
-       if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code), &stm32x_info->write_algorithm) != ERROR_OK)
+       if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code),
+                       &stm32x_info->write_algorithm) != ERROR_OK)
        {
                LOG_WARNING("no working area available, can't do block memory writes");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        };
 
-       if ((retval = target_write_buffer(target, stm32x_info->write_algorithm->address, sizeof(stm32x_flash_write_code), stm32x_flash_write_code)) != ERROR_OK)
+       if ((retval = target_write_buffer(target, stm32x_info->write_algorithm->address,
+                       sizeof(stm32x_flash_write_code),
+                       (uint8_t*)stm32x_flash_write_code)) != ERROR_OK)
                return retval;
 
        /* memory buffer */
@@ -480,7 +486,8 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t
                buffer_size /= 2;
                if (buffer_size <= 256)
                {
-                       /* if we already allocated the writing code, but failed to get a buffer, free the algorithm */
+                       /* if 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);
 
@@ -499,17 +506,21 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t
 
        while (count > 0)
        {
-               uint32_t thisrun_count = (count > (buffer_size / 2)) ? (buffer_size / 2) : count;
+               uint32_t thisrun_count = (count > (buffer_size / 2)) ?
+                               (buffer_size / 2) : count;
 
-               if ((retval = target_write_buffer(target, source->address, thisrun_count * 2, buffer)) != ERROR_OK)
+               if ((retval = target_write_buffer(target, source->address,
+                               thisrun_count * 2, buffer)) != ERROR_OK)
                        break;
 
                buf_set_u32(reg_params[0].value, 0, 32, source->address);
                buf_set_u32(reg_params[1].value, 0, 32, address);
                buf_set_u32(reg_params[2].value, 0, 32, thisrun_count);
 
-               if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params, stm32x_info->write_algorithm->address, \
-                               stm32x_info->write_algorithm->address + (sizeof(stm32x_flash_write_code) - 10), 10000, &armv7m_info)) != ERROR_OK)
+               if ((retval = target_run_algorithm(target, 0, NULL, 4, reg_params,
+                               stm32x_info->write_algorithm->address,
+                               stm32x_info->write_algorithm->address + (sizeof(stm32x_flash_write_code) - 10),
+                               10000, &armv7m_info)) != ERROR_OK)
                {
                        LOG_ERROR("error executing stm32x flash write algorithm");
                        retval = ERROR_FLASH_OPERATION_FAILED;
@@ -550,7 +561,8 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer, uint32_t
        return retval;
 }
 
-static int stm32x_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offset, uint32_t count)
+static int stm32x_write(struct flash_bank *bank, uint8_t *buffer,
+               uint32_t offset, uint32_t count)
 {
        struct target *target = bank->target;
        uint32_t words_remaining = (count / 2);
@@ -1269,6 +1281,7 @@ static const struct command_registration stm32x_exec_command_handlers[] = {
        },
        COMMAND_REGISTRATION_DONE
 };
+
 static const struct command_registration stm32x_command_handlers[] = {
        {
                .name = "stm32x",