Upper level of NOR flash framework. More...

Include dependency graph for flash/nor/core.c:

Functions
struct flash_sector *	alloc_block_array (uint32_t offset, uint32_t size, unsigned int num_blocks)
	Allocate and fill an array of sectors or protection blocks. More...

static int	compare_section (const void a, const void b)

int	default_flash_blank_check (struct flash_bank *bank)
	Provides default erased-bank check handling. More...

void	default_flash_free_driver_priv (struct flash_bank *bank)
	Deallocates bank->driver_priv. More...

static int	default_flash_mem_blank_check (struct flash_bank *bank)

int	default_flash_read (struct flash_bank bank, uint8_t buffer, uint32_t offset, uint32_t count)
	Provides default read implementation for flash memory. More...

int	default_flash_verify (struct flash_bank bank, const uint8_t buffer, uint32_t offset, uint32_t count)
	Provides default verify implementation for flash memory. More...

void	flash_bank_add (struct flash_bank *bank)
	Adds a new NOR bank to the global list of banks. More...

struct flash_bank *	flash_bank_list (void)

int	flash_driver_erase (struct flash_bank *bank, unsigned int first, unsigned int last)

int	flash_driver_protect (struct flash_bank *bank, int set, unsigned int first, unsigned int last)

int	flash_driver_read (struct flash_bank bank, uint8_t buffer, uint32_t offset, uint32_t count)

static int	flash_driver_unprotect (struct flash_bank *bank, unsigned int first, unsigned int last)

int	flash_driver_verify (struct flash_bank bank, const uint8_t buffer, uint32_t offset, uint32_t count)

int	flash_driver_write (struct flash_bank bank, const uint8_t buffer, uint32_t offset, uint32_t count)

int	flash_erase_address_range (struct target *target, bool pad, target_addr_t addr, uint32_t length)
	Erases length bytes in the target flash, starting at addr. More...

void	flash_free_all_banks (void)
	Deallocates all flash banks. More...

unsigned int	flash_get_bank_count (void)

static int	flash_iterate_address_range (struct target target, char pad_reason, target_addr_t addr, uint32_t length, bool iterate_protect_blocks, int(callback)(struct flash_bank bank, unsigned int first, unsigned int last))

static int	flash_iterate_address_range_inner (struct target target, char pad_reason, target_addr_t addr, uint32_t length, bool iterate_protect_blocks, int(callback)(struct flash_bank bank, unsigned int first, unsigned int last))

int	flash_unlock_address_range (struct target *target, target_addr_t addr, uint32_t length)

int	flash_write (struct target target, struct image image, uint32_t *written, bool erase)
	Writes image into the target flash. More...

target_addr_t	flash_write_align_end (struct flash_bank *bank, target_addr_t addr)
	Get aligned end address of a flash write region. More...

target_addr_t	flash_write_align_start (struct flash_bank *bank, target_addr_t addr)
	Get aligned start address of a flash write region. More...

static bool	flash_write_check_gap (struct flash_bank *bank, target_addr_t addr1, target_addr_t addr2)
	Check if gap between sections is bigger than minimum required to discontinue flash write. More...

int	flash_write_unlock_verify (struct target target, struct image image, uint32_t *written, bool erase, bool unlock, bool write, bool verify)

int	get_flash_bank_by_addr (struct target target, target_addr_t addr, bool check, struct flash_bank *result_bank)
	Returns the flash bank located at a specified address. More...

int	get_flash_bank_by_name (const char name, struct flash_bank *bank_result)
	Returns the flash bank specified by name, which matches the driver name and a suffix (option) specify the driver-specific bank number. More...

struct flash_bank *	get_flash_bank_by_name_noprobe (const char *name)
	Returns the flash bank specified by name, which matches the driver name and a suffix (option) specify the driver-specific bank number. More...

int	get_flash_bank_by_num (unsigned int num, struct flash_bank **bank)
	Returns the flash bank like get_flash_bank_by_name(), without probing. More...

struct flash_bank *	get_flash_bank_by_num_noprobe (unsigned int num)
	Returns the flash bank like get_flash_bank_by_num(), without probing. More...

Variables
static struct flash_bank *	flash_banks

Detailed Description

Upper level of NOR flash framework.

The lower level interfaces are to drivers. These upper level ones primarily support access from Tcl scripts or from GDB.

Definition in file flash/nor/core.c.

Function Documentation

◆ alloc_block_array()

struct flash_sector* alloc_block_array	(	uint32_t	offset,
		uint32_t	size,
		unsigned int	num_blocks
	)

Allocate and fill an array of sectors or protection blocks.

Parameters

offset	Offset of first block.
size	Size of each block.
num_blocks	Number of blocks in array.

Returns: A struct flash_sector pointer or NULL when allocation failed.

Definition at line 1002 of file flash/nor/core.c.

References flash_sector::is_erased, flash_sector::is_protected, NULL, flash_sector::offset, offset, flash_sector::size, and size.

Referenced by esirisc_flash_probe(), FLASH_BANK_COMMAND_HANDLER(), kinetis_probe(), nrf5_probe(), psoc4_probe(), qn908x_probe(), rp2040_flash_probe(), rsl10_probe(), samd_probe(), same5_probe(), stm32l4_probe(), and stm32x_probe().

◆ compare_section()

static int compare_section	(	const void *	a,
		const void *	b
	)

static

Definition at line 637 of file flash/nor/core.c.

References imagesection::base_address.

Referenced by flash_write_unlock_verify().

◆ default_flash_blank_check()

int default_flash_blank_check ( struct flash_bank * bank )

Provides default erased-bank check handling.

Checks to see if the flash driver knows they are erased; if things look uncertain, this routine will call default_flash_mem_blank_check() to confirm.

Returns: ERROR_OK if successful; otherwise, an error code.

Definition at line 380 of file flash/nor/core.c.

References target_memory_check_block::address, bank, default_flash_mem_blank_check(), ERROR_NOT_IMPLEMENTED, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, LOG_USER, target_memory_check_block::result, target_memory_check_block::size, target_blank_check_memory(), and TARGET_HALTED.

Referenced by at91sam7_erase_check(), and nrf5_erase_page().

◆ default_flash_free_driver_priv()

void default_flash_free_driver_priv ( struct flash_bank * bank )

Deallocates bank->driver_priv.

Definition at line 210 of file flash/nor/core.c.

References bank, and NULL.

◆ default_flash_mem_blank_check()

static int default_flash_mem_blank_check ( struct flash_bank * bank )

static

Definition at line 333 of file flash/nor/core.c.

References bank, buffer, ERROR_OK, ERROR_TARGET_NOT_HALTED, LOG_ERROR, TARGET_HALTED, and target_read_memory().

Referenced by default_flash_blank_check().

◆ default_flash_read()

int default_flash_read	(	struct flash_bank *	bank,
		uint8_t *	buffer,
		uint32_t	offset,
		uint32_t	count
	)

Provides default read implementation for flash memory.

Parameters

bank	The bank to read.
buffer	The data bytes read.
offset	The offset into the chip to read.
count	The number of bytes to read.

Returns: ERROR_OK if successful; otherwise, an error code.

Definition at line 121 of file flash/nor/core.c.

References bank, buffer, count, offset, and target_read_buffer().

Referenced by mdr_read().

◆ default_flash_verify()

int default_flash_verify	(	struct flash_bank *	bank,
		const uint8_t *	buffer,
		uint32_t	offset,
		uint32_t	count
	)

Provides default verify implementation for flash memory.

Parameters

bank	The bank to verify.
buffer	The data bytes to verify.
offset	The offset into the chip to verify.
count	The number of bytes to verify.

Returns: ERROR_OK if successful; otherwise, an error code.

Definition at line 142 of file flash/nor/core.c.

References bank, buffer, count, ERROR_FAIL, ERROR_OK, image_calculate_checksum(), LOG_DEBUG, offset, TARGET_ADDR_FMT, and target_checksum_memory().

Referenced by flash_driver_verify().

◆ flash_bank_add()

void flash_bank_add ( struct flash_bank * bank )

Adds a new NOR bank to the global list of banks.

Parameters

bank	The bank that should be added.

Definition at line 164 of file flash/nor/core.c.

References bank, flash_banks, and flash_bank::next.

Referenced by COMMAND_HANDLER(), kinetis_create_missing_banks(), and msp432_probe().

◆ flash_bank_list()

struct flash_bank* flash_bank_list ( void )

Returns: The first bank in the global list.

Definition at line 183 of file flash/nor/core.c.

References flash_banks.

Referenced by COMMAND_HANDLER(), FLASH_BANK_COMMAND_HANDLER(), flash_init_drivers(), flash_set_dirty(), kinetis_get_chip(), nrf5_get_chip(), and rsl10_get_chip().

◆ flash_driver_erase()

int flash_driver_erase	(	struct flash_bank *	bank,
		unsigned int	first,
		unsigned int	last
	)

Definition at line 29 of file flash/nor/core.c.

References bank, ERROR_OK, and LOG_ERROR.

Referenced by COMMAND_HANDLER(), and flash_erase_address_range().

◆ flash_driver_protect()

int flash_driver_protect	(	struct flash_bank *	bank,
		int	set,
		unsigned int	first,
		unsigned int	last
	)

Definition at line 41 of file flash/nor/core.c.

References bank, ERROR_FAIL, ERROR_FLASH_OPER_UNSUPPORTED, ERROR_OK, and LOG_ERROR.

Referenced by COMMAND_HANDLER(), flash_driver_unprotect(), and virtual_protect().

◆ flash_driver_read()

int flash_driver_read	(	struct flash_bank *	bank,
		uint8_t *	buffer,
		uint32_t	offset,
		uint32_t	count
	)

Definition at line 102 of file flash/nor/core.c.

References bank, buffer, count, ERROR_OK, LOG_DEBUG, LOG_ERROR, offset, and TARGET_ADDR_FMT.

Referenced by COMMAND_HANDLER().

◆ flash_driver_unprotect()

static int flash_driver_unprotect	(	struct flash_bank *	bank,
		unsigned int	first,
		unsigned int	last
	)

static

Definition at line 620 of file flash/nor/core.c.

References bank, and flash_driver_protect().

Referenced by flash_unlock_address_range().

◆ flash_driver_verify()

int flash_driver_verify	(	struct flash_bank *	bank,
		const uint8_t *	buffer,
		uint32_t	offset,
		uint32_t	count
	)

Definition at line 127 of file flash/nor/core.c.

References bank, buffer, count, default_flash_verify(), ERROR_OK, LOG_ERROR, offset, and TARGET_ADDR_FMT.

Referenced by flash_write_unlock_verify().

◆ flash_driver_write()

int flash_driver_write	(	struct flash_bank *	bank,
		const uint8_t *	buffer,
		uint32_t	offset,
		uint32_t	count
	)

Definition at line 85 of file flash/nor/core.c.

References bank, buffer, count, ERROR_OK, LOG_ERROR, offset, and TARGET_ADDR_FMT.

Referenced by COMMAND_HANDLER(), and flash_write_unlock_verify().

◆ flash_erase_address_range()

int flash_erase_address_range	(	struct target *	target,
		bool	pad,
		target_addr_t	addr,
		uint32_t	length
	)

Erases length bytes in the target flash, starting at addr.

The range addr to addr + length - 1 must be strictly sector aligned, unless pad is true. Setting pad true extends the range, at beginning and/or end, if needed for sector alignment.

Returns: ERROR_OK if successful; otherwise, an error code.

Definition at line 613 of file flash/nor/core.c.

References addr, flash_driver_erase(), flash_iterate_address_range(), length, and NULL.

Referenced by COMMAND_HANDLER(), flash_write_unlock_verify(), and gdb_v_packet().

◆ flash_free_all_banks()

void flash_free_all_banks ( void )

Deallocates all flash banks.

Definition at line 216 of file flash/nor/core.c.

References bank, flash_banks, LOG_WARNING, flash_bank::next, and NULL.

Referenced by openocd_main().

◆ flash_get_bank_count()

unsigned int flash_get_bank_count ( void )

Returns: The number of flash banks currently defined.

Definition at line 201 of file flash/nor/core.c.

References flash_banks, and flash_bank::next.

Referenced by gdb_memory_map(), gdb_new_connection(), and gdb_query_packet().

◆ flash_iterate_address_range()

static int flash_iterate_address_range	(	struct target *	target,
		char *	pad_reason,
		target_addr_t	addr,
		uint32_t	length,
		bool	iterate_protect_blocks,
		int()(struct flash_bank bank, unsigned int first, unsigned int last)	callback
	)

static

Definition at line 578 of file flash/nor/core.c.

References addr, flash_bank::base, ERROR_OK, flash_iterate_address_range_inner(), get_flash_bank_by_addr(), length, LOG_DEBUG, and flash_bank::size.

Referenced by flash_erase_address_range(), and flash_unlock_address_range().

◆ flash_iterate_address_range_inner()

static int flash_iterate_address_range_inner	(	struct target *	target,
		char *	pad_reason,
		target_addr_t	addr,
		uint32_t	length,
		bool	iterate_protect_blocks,
		int()(struct flash_bank bank, unsigned int first, unsigned int last)	callback
	)

static

Definition at line 448 of file flash/nor/core.c.

References addr, flash_bank::base, ERROR_FLASH_BANK_INVALID, ERROR_FLASH_DST_BREAKS_ALIGNMENT, ERROR_OK, get_flash_bank_by_addr(), length, LOG_ERROR, LOG_WARNING, flash_bank::num_prot_blocks, flash_bank::num_sectors, flash_sector::offset, flash_bank::prot_blocks, flash_bank::sectors, flash_sector::size, flash_bank::size, and TARGET_ADDR_FMT.

Referenced by flash_iterate_address_range().

◆ flash_unlock_address_range()

int flash_unlock_address_range	(	struct target *	target,
		target_addr_t	addr,
		uint32_t	length
	)

Definition at line 626 of file flash/nor/core.c.

References addr, flash_driver_unprotect(), flash_iterate_address_range(), and length.

Referenced by COMMAND_HANDLER(), and flash_write_unlock_verify().

◆ flash_write()

int flash_write	(	struct target *	target,
		struct image *	image,
		uint32_t *	written,
		bool	erase
	)

Writes image into the target flash.

The written parameter will contain the

Parameters

target	The target with the flash to be programmed.
image	The image that will be programmed to flash.
written	On return, contains the number of bytes written.
erase	Indicates whether the flash driver should first erase the corresponding banks or sectors before programming.

Returns: ERROR_OK if successful; otherwise, an error code.

Definition at line 996 of file flash/nor/core.c.

References flash_write_unlock_verify().

Referenced by gdb_v_packet().

◆ flash_write_align_end()

target_addr_t flash_write_align_end	(	struct flash_bank *	bank,
		target_addr_t	addr
	)

Get aligned end address of a flash write region.

Align end address of a flash write region according to bank requirements.

Definition at line 678 of file flash/nor/core.c.

References addr, bank, FLASH_WRITE_ALIGN_SECTOR, and offset.

Referenced by COMMAND_HANDLER(), flash_write_check_gap(), and flash_write_unlock_verify().

◆ flash_write_align_start()

target_addr_t flash_write_align_start	(	struct flash_bank *	bank,
		target_addr_t	addr
	)

Get aligned start address of a flash write region.

Align start address of a flash write region according to bank requirements.

Definition at line 654 of file flash/nor/core.c.

References addr, bank, FLASH_WRITE_ALIGN_SECTOR, and offset.

Referenced by COMMAND_HANDLER(), flash_write_check_gap(), and flash_write_unlock_verify().

◆ flash_write_check_gap()

static bool flash_write_check_gap	(	struct flash_bank *	bank,
		target_addr_t	addr1,
		target_addr_t	addr2
	)

static

Check if gap between sections is bigger than minimum required to discontinue flash write.

Definition at line 701 of file flash/nor/core.c.

References bank, flash_write_align_end(), flash_write_align_start(), FLASH_WRITE_CONTINUOUS, and FLASH_WRITE_GAP_SECTOR.

Referenced by flash_write_unlock_verify().

◆ flash_write_unlock_verify()

int flash_write_unlock_verify	(	struct target *	target,
		struct image *	image,
		uint32_t *	written,
		bool	erase,
		bool	unlock,
		bool	write,
		bool	verify
	)

◆ get_flash_bank_by_addr()

int get_flash_bank_by_addr	(	struct target *	target,
		target_addr_t	addr,
		bool	check,
		struct flash_bank **	result_bank
	)

Returns the flash bank located at a specified address.

Parameters

target	The target, presumed to contain one or more banks.
addr	An address that is within the range of the bank.
check	return ERROR_OK and result_bank NULL if the bank does not exist
result_bank	The struct flash_bank located at addr, or NULL.

Returns: ERROR_OK on success, or an error indicating the problem.

Definition at line 300 of file flash/nor/core.c.

References addr, flash_driver::auto_probe, flash_bank::base, flash_bank::driver, ERROR_FAIL, ERROR_OK, flash_banks, LOG_ERROR, flash_bank::next, NULL, flash_bank::size, flash_bank::target, and TARGET_ADDR_FMT.

Referenced by COMMAND_HANDLER(), flash_iterate_address_range(), flash_iterate_address_range_inner(), and flash_write_unlock_verify().

◆ get_flash_bank_by_name()

int get_flash_bank_by_name	(	const char *	name,
		struct flash_bank **	bank_result
	)

Returns the flash bank specified by name, which matches the driver name and a suffix (option) specify the driver-specific bank number.

The suffix consists of the '.' and the driver-specific bank number: when two str9x banks are defined, then 'str9x.1' refers to the second.

Definition at line 261 of file flash/nor/core.c.

References bank, ERROR_OK, get_flash_bank_by_name_noprobe(), LOG_ERROR, and name.

Referenced by COMMAND_HELPER().

◆ get_flash_bank_by_name_noprobe()

struct flash_bank* get_flash_bank_by_name_noprobe ( const char * name )

Returns the flash bank specified by name, which matches the driver name and a suffix (option) specify the driver-specific bank number.

The suffix consists of the '.' and the driver-specific bank number: when two str9x banks are defined, then 'str9x.1' refers to the second.

Definition at line 243 of file flash/nor/core.c.

References bank, flash_banks, flash_driver_name_matches(), get_flash_name_index(), name, and NULL.

Referenced by COMMAND_HANDLER(), COMMAND_HELPER(), FLASH_BANK_COMMAND_HANDLER(), get_flash_bank_by_name(), and virtual_get_master_bank().

◆ get_flash_bank_by_num()

int get_flash_bank_by_num	(	unsigned int	num,
		struct flash_bank **	bank
	)

Returns the flash bank like get_flash_bank_by_name(), without probing.

Parameters

num	The flash bank number.
bank	returned bank if fn returns ERROR_OK

Returns: ERROR_OK if successful

Definition at line 280 of file flash/nor/core.c.

References flash_driver::auto_probe, bank, flash_bank::driver, ERROR_FAIL, ERROR_OK, get_flash_bank_by_num_noprobe(), and LOG_ERROR.

Referenced by COMMAND_HELPER(), gdb_memory_map(), and gdb_new_connection().

◆ get_flash_bank_by_num_noprobe()

struct flash_bank* get_flash_bank_by_num_noprobe ( unsigned int num )

Returns the flash bank like get_flash_bank_by_num(), without probing.

Parameters

num	The flash bank number.

Returns: A struct flash_bank for flash bank num, or NULL.

Definition at line 188 of file flash/nor/core.c.

References flash_banks, LOG_ERROR, flash_bank::next, and NULL.

Referenced by COMMAND_HANDLER(), COMMAND_HELPER(), gdb_memory_map(), gdb_new_connection(), and get_flash_bank_by_num().

Variable Documentation

◆ flash_banks

struct flash_bank* flash_banks

static

Definition at line 27 of file flash/nor/core.c.

Referenced by flash_bank_add(), flash_bank_list(), flash_free_all_banks(), flash_get_bank_count(), get_flash_bank_by_addr(), get_flash_bank_by_name_noprobe(), and get_flash_bank_by_num_noprobe().

Functions

Variables

Detailed Description

Function Documentation

◆ alloc_block_array()

◆ compare_section()

◆ default_flash_blank_check()

◆ default_flash_free_driver_priv()

◆ default_flash_mem_blank_check()

◆ default_flash_read()

◆ default_flash_verify()

◆ flash_bank_add()

◆ flash_bank_list()

◆ flash_driver_erase()

◆ flash_driver_protect()

◆ flash_driver_read()

◆ flash_driver_unprotect()

◆ flash_driver_verify()

◆ flash_driver_write()

◆ flash_erase_address_range()

◆ flash_free_all_banks()

◆ flash_get_bank_count()

◆ flash_iterate_address_range()

◆ flash_iterate_address_range_inner()

◆ flash_unlock_address_range()

◆ flash_write()

◆ flash_write_align_end()

◆ flash_write_align_start()

◆ flash_write_check_gap()

◆ flash_write_unlock_verify()

◆ get_flash_bank_by_addr()

◆ get_flash_bank_by_name()

◆ get_flash_bank_by_name_noprobe()

◆ get_flash_bank_by_num()

◆ get_flash_bank_by_num_noprobe()

Variable Documentation

◆ flash_banks