-extern int flash_erase(target_t *target, u32 addr, u32 length);
-extern int flash_write(target_t *target, image_t *image, u32 *written, char **error, int *failed);
+extern int flash_erase_address_range(target_t *target, u32 addr, u32 length);
+extern int flash_write(target_t *target, image_t *image, u32 *written, char **error, int *failed, int erase);
+extern void flash_set_dirty(void);