esirisc_jtag.c File Reference

Include dependency graph for esirisc_jtag.c:

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Functions
int	esirisc_jtag_assert_reset (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_break (struct esirisc_jtag *jtag_info)
static int	esirisc_jtag_check_status (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_continue (struct esirisc_jtag *jtag_info)
static int	esirisc_jtag_count_bits (int num_fields, struct scan_field *fields)
int	esirisc_jtag_deassert_reset (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_disable_debug (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_enable_debug (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_flush_caches (struct esirisc_jtag *jtag_info)
uint8_t	esirisc_jtag_get_eid (struct esirisc_jtag *jtag_info)
static int	esirisc_jtag_get_padding (void)
bool	esirisc_jtag_is_debug_active (struct esirisc_jtag *jtag_info)
bool	esirisc_jtag_is_stopped (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_read_byte (struct esirisc_jtag *jtag_info, uint32_t address, uint8_t *data)
int	esirisc_jtag_read_csr (struct esirisc_jtag *jtag_info, uint8_t bank, uint8_t csr, uint32_t *data)
int	esirisc_jtag_read_hword (struct esirisc_jtag *jtag_info, uint32_t address, uint16_t *data)
int	esirisc_jtag_read_reg (struct esirisc_jtag *jtag_info, uint8_t reg, uint32_t *data)
int	esirisc_jtag_read_word (struct esirisc_jtag *jtag_info, uint32_t address, uint32_t *data)
static int	esirisc_jtag_recv (struct esirisc_jtag *jtag_info, int num_in_fields, struct scan_field *in_fields)
static int	esirisc_jtag_send (struct esirisc_jtag *jtag_info, uint8_t command, int num_out_fields, struct scan_field *out_fields)
static int	esirisc_jtag_send_and_recv (struct esirisc_jtag *jtag_info, uint8_t command, int num_out_fields, struct scan_field *out_fields, int num_in_fields, struct scan_field *in_fields)
static int	esirisc_jtag_send_ctrl (struct esirisc_jtag *jtag_info, uint8_t command)
static void	esirisc_jtag_set_instr (struct esirisc_jtag *jtag_info, uint32_t new_instr)
static void	esirisc_jtag_unstuff (uint8_t *data, size_t len)
int	esirisc_jtag_write_byte (struct esirisc_jtag *jtag_info, uint32_t address, uint8_t data)
int	esirisc_jtag_write_csr (struct esirisc_jtag *jtag_info, uint8_t bank, uint8_t csr, uint32_t data)
int	esirisc_jtag_write_hword (struct esirisc_jtag *jtag_info, uint32_t address, uint16_t data)
int	esirisc_jtag_write_reg (struct esirisc_jtag *jtag_info, uint8_t reg, uint32_t data)
int	esirisc_jtag_write_word (struct esirisc_jtag *jtag_info, uint32_t address, uint32_t data)

Function Documentation

esirisc_jtag_assert_reset()

int esirisc_jtag_assert_reset

(

struct esirisc_jtag *

jtag_info

)

Definition at line 497 of file esirisc_jtag.c.

References DEBUG_ASSERT_RESET, and esirisc_jtag_send_ctrl().

Referenced by esirisc_assert_reset(), and esirisc_debug_reset().

esirisc_jtag_break()

int esirisc_jtag_break

(

struct esirisc_jtag *

jtag_info

)

Definition at line 507 of file esirisc_jtag.c.

References DEBUG_BREAK, and esirisc_jtag_send_ctrl().

Referenced by esirisc_examine(), and esirisc_halt().

esirisc_jtag_check_status()

static int esirisc_jtag_check_status ( struct esirisc_jtag *  jtag_info )

static

Definition at line 171 of file esirisc_jtag.c.

References EID_NONE, ERROR_FAIL, ERROR_OK, esirisc_jtag_get_eid(), esirisc_jtag_is_debug_active(), esirisc_jtag_is_stopped(), LOG_ERROR, and esirisc_jtag::status.

Referenced by esirisc_jtag_send_and_recv().

esirisc_jtag_continue()

int esirisc_jtag_continue

(

struct esirisc_jtag *

jtag_info

)

Definition at line 512 of file esirisc_jtag.c.

References DEBUG_CONTINUE, and esirisc_jtag_send_ctrl().

Referenced by esirisc_deassert_reset(), esirisc_debug_step(), esirisc_examine(), and esirisc_resume_or_step().

esirisc_jtag_count_bits()

static int esirisc_jtag_count_bits ( int  num_fields, struct scan_field *  fields  )

static

Definition at line 61 of file esirisc_jtag.c.

References scan_field::num_bits.

Referenced by esirisc_jtag_recv().

esirisc_jtag_deassert_reset()

int esirisc_jtag_deassert_reset

(

struct esirisc_jtag *

jtag_info

)

Definition at line 502 of file esirisc_jtag.c.

References DEBUG_DEASSERT_RESET, and esirisc_jtag_send_ctrl().

Referenced by esirisc_deassert_reset(), and esirisc_debug_reset().

esirisc_jtag_disable_debug()

int esirisc_jtag_disable_debug

(

struct esirisc_jtag *

jtag_info

)

Definition at line 492 of file esirisc_jtag.c.

References DEBUG_DISABLE_DEBUG, and esirisc_jtag_send_ctrl().

esirisc_jtag_enable_debug()

int esirisc_jtag_enable_debug

(

struct esirisc_jtag *

jtag_info

)

Definition at line 487 of file esirisc_jtag.c.

References DEBUG_ENABLE_DEBUG, and esirisc_jtag_send_ctrl().

Referenced by esirisc_debug_enable(), esirisc_poll(), and esirisc_wait_debug_active().

esirisc_jtag_flush_caches()

int esirisc_jtag_flush_caches

(

struct esirisc_jtag *

jtag_info

)

Definition at line 517 of file esirisc_jtag.c.

References DEBUG_FLUSH_CACHES, and esirisc_jtag_send_ctrl().

Referenced by esirisc_flush_caches().

esirisc_jtag_get_eid()

uint8_t esirisc_jtag_get_eid

(

struct esirisc_jtag *

jtag_info

)

Definition at line 223 of file esirisc_jtag.c.

References esirisc_jtag::status.

Referenced by esirisc_jtag_check_status().

esirisc_jtag_get_padding()

static int esirisc_jtag_get_padding ( void  )

static

Definition at line 44 of file esirisc_jtag.c.

References jtag_tap_next_enabled(), NULL, and scan_field::num_bits.

Referenced by esirisc_jtag_recv(), and esirisc_jtag_send().

esirisc_jtag_is_debug_active()

bool esirisc_jtag_is_debug_active

(

struct esirisc_jtag *

jtag_info

)

Definition at line 213 of file esirisc_jtag.c.

References esirisc_jtag::status.

Referenced by esirisc_examine(), esirisc_jtag_check_status(), esirisc_poll(), and esirisc_wait_debug_active().

esirisc_jtag_is_stopped()

bool esirisc_jtag_is_stopped

(

struct esirisc_jtag *

jtag_info

)

Definition at line 218 of file esirisc_jtag.c.

References esirisc_jtag::status.

Referenced by esirisc_debug_enable(), esirisc_jtag_check_status(), and esirisc_poll().

esirisc_jtag_read_byte()

int esirisc_jtag_read_byte	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint8_t *	data
	)

Definition at line 236 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_READ_BYTE, ERROR_OK, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_read_memory().

esirisc_jtag_read_csr()

int esirisc_jtag_read_csr	(	struct esirisc_jtag *	jtag_info,
		uint8_t	bank,
		uint8_t	csr,
		uint32_t *	data
	)

Definition at line 428 of file esirisc_jtag.c.

References ARRAY_SIZE, bank, csr, DEBUG_READ_CSR, ERROR_OK, esirisc_jtag_send_and_recv(), h_u16_to_be(), scan_field::in_value, le_to_h_u32(), LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_add_breakpoint(), esirisc_add_watchpoint(), esirisc_disable_interrupts(), esirisc_disable_step(), esirisc_enable_step(), esirisc_identify(), esirisc_read_csr(), esirisc_remove_breakpoint(), esirisc_remove_watchpoint(), esirisc_reset_entry(), esirisc_save_interrupts(), esirisc_trace_get_status(), esirisc_trace_read_buffer(), esirisc_trace_start(), and esirisc_trace_stop().

esirisc_jtag_read_hword()

int esirisc_jtag_read_hword	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint16_t *	data
	)

Definition at line 264 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_READ_HWORD, ERROR_OK, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, le_to_h_u16(), LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_read_memory().

esirisc_jtag_read_reg()

int esirisc_jtag_read_reg	(	struct esirisc_jtag *	jtag_info,
		uint8_t	reg,
		uint32_t *	data
	)

Definition at line 382 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_READ_REG, ERROR_OK, esirisc_jtag_send_and_recv(), scan_field::in_value, le_to_h_u32(), LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_read_reg().

esirisc_jtag_read_word()

int esirisc_jtag_read_word	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint32_t *	data
	)

Definition at line 292 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_READ_WORD, ERROR_OK, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, le_to_h_u32(), LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_read_memory(), and esirisc_reset_entry().

esirisc_jtag_recv()

static int esirisc_jtag_recv ( struct esirisc_jtag *  jtag_info, int  num_in_fields, struct scan_field *  in_fields  )

static

Definition at line 126 of file esirisc_jtag.c.

References ARRAY_SIZE, buf_set_buf(), DIV_ROUND_UP, ERROR_OK, esirisc_jtag_count_bits(), esirisc_jtag_get_padding(), esirisc_jtag_set_instr(), esirisc_jtag_unstuff(), scan_field::in_value, INSTR_DEBUG, jtag_add_dr_scan(), jtag_execute_queue(), NULL, scan_field::num_bits, scan_field::out_value, esirisc_jtag::status, esirisc_jtag::tap, and TAP_IDLE.

Referenced by esirisc_jtag_send_and_recv().

esirisc_jtag_send()

static int esirisc_jtag_send ( struct esirisc_jtag *  jtag_info, uint8_t  command, int  num_out_fields, struct scan_field *  out_fields  )

static

Definition at line 101 of file esirisc_jtag.c.

References cmd_queue_alloc(), esirisc_jtag_get_padding(), esirisc_jtag_set_instr(), scan_field::in_value, INSTR_DEBUG, jtag_add_dr_scan(), jtag_execute_queue(), jtag_scan_field_clone(), NULL, scan_field::num_bits, scan_field::out_value, esirisc_jtag::tap, and TAP_IDLE.

Referenced by esirisc_jtag_send_and_recv().

esirisc_jtag_send_and_recv()

static int esirisc_jtag_send_and_recv ( struct esirisc_jtag *  jtag_info, uint8_t  command, int  num_out_fields, struct scan_field *  out_fields, int  num_in_fields, struct scan_field *  in_fields  )

static

Definition at line 185 of file esirisc_jtag.c.

References ERROR_FAIL, ERROR_OK, esirisc_jtag_check_status(), esirisc_jtag_recv(), esirisc_jtag_send(), LOG_ERROR, and esirisc_jtag::status.

Referenced by esirisc_jtag_read_byte(), esirisc_jtag_read_csr(), esirisc_jtag_read_hword(), esirisc_jtag_read_reg(), esirisc_jtag_read_word(), esirisc_jtag_send_ctrl(), esirisc_jtag_write_byte(), esirisc_jtag_write_csr(), esirisc_jtag_write_hword(), esirisc_jtag_write_reg(), and esirisc_jtag_write_word().

esirisc_jtag_send_ctrl()

static int esirisc_jtag_send_ctrl ( struct esirisc_jtag *  jtag_info, uint8_t  command  )

inlinestatic

Definition at line 482 of file esirisc_jtag.c.

References esirisc_jtag_send_and_recv(), and NULL.

Referenced by esirisc_jtag_assert_reset(), esirisc_jtag_break(), esirisc_jtag_continue(), esirisc_jtag_deassert_reset(), esirisc_jtag_disable_debug(), esirisc_jtag_enable_debug(), and esirisc_jtag_flush_caches().

esirisc_jtag_set_instr()

static void esirisc_jtag_set_instr ( struct esirisc_jtag *  jtag_info, uint32_t  new_instr  )

static

Definition at line 22 of file esirisc_jtag.c.

References buf_get_u32(), buf_set_u32(), jtag_tap::cur_instr, scan_field::in_value, jtag_tap::ir_length, jtag_add_ir_scan(), NULL, scan_field::num_bits, scan_field::out_value, esirisc_jtag::tap, and TAP_IDLE.

Referenced by esirisc_jtag_recv(), and esirisc_jtag_send().

esirisc_jtag_unstuff()

static void esirisc_jtag_unstuff ( uint8_t *  data, size_t  len  )

static

Definition at line 76 of file esirisc_jtag.c.

References STUFF_MARKER.

Referenced by esirisc_jtag_recv().

esirisc_jtag_write_byte()

int esirisc_jtag_write_byte	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint8_t	data
	)

Definition at line 320 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_WRITE_BYTE, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_write_memory().

esirisc_jtag_write_csr()

int esirisc_jtag_write_csr	(	struct esirisc_jtag *	jtag_info,
		uint8_t	bank,
		uint8_t	csr,
		uint32_t	data
	)

Definition at line 456 of file esirisc_jtag.c.

References ARRAY_SIZE, bank, csr, DEBUG_WRITE_CSR, esirisc_jtag_send_and_recv(), h_u16_to_be(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_add_breakpoint(), esirisc_add_watchpoint(), esirisc_disable_interrupts(), esirisc_disable_step(), esirisc_enable_step(), esirisc_remove_breakpoint(), esirisc_remove_breakpoints(), esirisc_remove_watchpoint(), esirisc_remove_watchpoints(), esirisc_reset_entry(), esirisc_restore_hwdc(), esirisc_restore_interrupts(), esirisc_trace_clear_status(), esirisc_trace_init(), esirisc_trace_start(), esirisc_trace_stop(), and esirisc_write_csr().

esirisc_jtag_write_hword()

int esirisc_jtag_write_hword	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint16_t	data
	)

Definition at line 340 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_WRITE_HWORD, esirisc_jtag_send_and_recv(), h_u16_to_be(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_write_memory().

esirisc_jtag_write_reg()

int esirisc_jtag_write_reg	(	struct esirisc_jtag *	jtag_info,
		uint8_t	reg,
		uint32_t	data
	)

Definition at line 408 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_WRITE_REG, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_write_reg().

esirisc_jtag_write_word()

int esirisc_jtag_write_word	(	struct esirisc_jtag *	jtag_info,
		uint32_t	address,
		uint32_t	data
	)

Definition at line 361 of file esirisc_jtag.c.

References ARRAY_SIZE, DEBUG_WRITE_WORD, esirisc_jtag_send_and_recv(), h_u32_to_be(), scan_field::in_value, LOG_DEBUG, NULL, scan_field::num_bits, and scan_field::out_value.

Referenced by esirisc_write_memory().