esirisc_jtag.h File Reference

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Data Structures
struct	esirisc_jtag

Macros
#define	DEBUG_ASSERT_RESET   0xf4
#define	DEBUG_BREAK   0xf8
#define	DEBUG_CONTINUE   0xfa
#define	DEBUG_DEASSERT_RESET   0xf6
#define	DEBUG_DISABLE_DEBUG   0xf2
#define	DEBUG_ENABLE_DEBUG   0xf0
#define	DEBUG_FLUSH_CACHES   0xfc
#define	DEBUG_NOP   0x00
#define	DEBUG_READ_BYTE   0x10
#define	DEBUG_READ_CSR   0xd0
#define	DEBUG_READ_HWORD   0x20
#define	DEBUG_READ_REG   0xb0
#define	DEBUG_READ_WORD   0x30
#define	DEBUG_WRITE_BYTE   0x60
#define	DEBUG_WRITE_CSR   0xe0
#define	DEBUG_WRITE_HWORD   0x70
#define	DEBUG_WRITE_REG   0xc0
#define	DEBUG_WRITE_WORD   0x80
#define	EID_CANT_DEBUG   0x3e
#define	EID_NONE   0x3f
#define	EID_OVERFLOW   0x3d
#define	INSTR_BYPASS   0xf
#define	INSTR_DEBUG   0x9
#define	INSTR_IDCODE   0x8
#define	INSTR_LENGTH   4
#define	PAD_BYTE   0xaa
#define	STUFF_MARKER   0x55

Functions
int	esirisc_jtag_assert_reset (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_break (struct esirisc_jtag *jtag_info)
int	esirisc_jtag_continue (struct esirisc_jtag *jtag_info)
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)
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)
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)

Macro Definition Documentation

DEBUG_ASSERT_RESET

#define DEBUG_ASSERT_RESET   0xf4

Definition at line 35 of file esirisc_jtag.h.

DEBUG_BREAK

#define DEBUG_BREAK   0xf8

Definition at line 37 of file esirisc_jtag.h.

DEBUG_CONTINUE

#define DEBUG_CONTINUE   0xfa

Definition at line 38 of file esirisc_jtag.h.

DEBUG_DEASSERT_RESET

#define DEBUG_DEASSERT_RESET   0xf6

Definition at line 36 of file esirisc_jtag.h.

DEBUG_DISABLE_DEBUG

#define DEBUG_DISABLE_DEBUG   0xf2

Definition at line 34 of file esirisc_jtag.h.

DEBUG_ENABLE_DEBUG

#define DEBUG_ENABLE_DEBUG   0xf0

Definition at line 33 of file esirisc_jtag.h.

DEBUG_FLUSH_CACHES

#define DEBUG_FLUSH_CACHES   0xfc

Definition at line 39 of file esirisc_jtag.h.

DEBUG_NOP

#define DEBUG_NOP   0x00

Definition at line 22 of file esirisc_jtag.h.

DEBUG_READ_BYTE

#define DEBUG_READ_BYTE   0x10

Definition at line 23 of file esirisc_jtag.h.

DEBUG_READ_CSR

#define DEBUG_READ_CSR   0xd0

Definition at line 31 of file esirisc_jtag.h.

DEBUG_READ_HWORD

#define DEBUG_READ_HWORD   0x20

Definition at line 24 of file esirisc_jtag.h.

DEBUG_READ_REG

#define DEBUG_READ_REG   0xb0

Definition at line 29 of file esirisc_jtag.h.

DEBUG_READ_WORD

#define DEBUG_READ_WORD   0x30

Definition at line 25 of file esirisc_jtag.h.

DEBUG_WRITE_BYTE

#define DEBUG_WRITE_BYTE   0x60

Definition at line 26 of file esirisc_jtag.h.

DEBUG_WRITE_CSR

#define DEBUG_WRITE_CSR   0xe0

Definition at line 32 of file esirisc_jtag.h.

DEBUG_WRITE_HWORD

#define DEBUG_WRITE_HWORD   0x70

Definition at line 27 of file esirisc_jtag.h.

DEBUG_WRITE_REG

#define DEBUG_WRITE_REG   0xc0

Definition at line 30 of file esirisc_jtag.h.

DEBUG_WRITE_WORD

#define DEBUG_WRITE_WORD   0x80

Definition at line 28 of file esirisc_jtag.h.

EID_CANT_DEBUG

#define EID_CANT_DEBUG   0x3e

Definition at line 43 of file esirisc_jtag.h.

EID_NONE

#define EID_NONE   0x3f

Definition at line 44 of file esirisc_jtag.h.

EID_OVERFLOW

#define EID_OVERFLOW   0x3d

Definition at line 42 of file esirisc_jtag.h.

INSTR_BYPASS

#define INSTR_BYPASS   0xf

Definition at line 18 of file esirisc_jtag.h.

INSTR_DEBUG

#define INSTR_DEBUG   0x9

Definition at line 17 of file esirisc_jtag.h.

INSTR_IDCODE

#define INSTR_IDCODE   0x8

Definition at line 16 of file esirisc_jtag.h.

INSTR_LENGTH

#define INSTR_LENGTH   4

Definition at line 19 of file esirisc_jtag.h.

PAD_BYTE

#define PAD_BYTE   0xaa

Definition at line 48 of file esirisc_jtag.h.

STUFF_MARKER

#define STUFF_MARKER   0x55

Definition at line 47 of file esirisc_jtag.h.

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_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_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_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_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().