gatemate.c File Reference

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Data Structures
struct	gatemate_bit_file
struct	gatemate_pld_device

Macros
#define	BYPASS   0x3F
#define	JTAG_CONFIGURE   0x06
#define	JTAG_SPI_BYPASS   0x05

Functions
static int	gatemate_add_byte_to_bitfile (struct gatemate_bit_file *bit_file, uint8_t byte)
static int	gatemate_connect_spi_to_jtag (struct pld_device *pld_device)
static int	gatemate_disconnect_spi_from_jtag (struct pld_device *pld_device)
static int	gatemate_get_stuff_bits (struct pld_device *pld_device, unsigned int *facing_read_bits, unsigned int *trailing_write_bits)
static int	gatemate_getline (char **buffer, size_t *buf_size, FILE *input_file)
static int	gatemate_has_jtagspi_instruction (struct pld_device *device, bool *has_instruction)
static int	gatemate_load (struct pld_device *pld_device, const char *filename)
static int	gatemate_read_cfg_file (struct gatemate_bit_file *bit_file, const char *filename)
static int	gatemate_read_cfg_line (struct gatemate_bit_file *bit_file, const char *line_buffer, size_t nread)
static int	gatemate_read_file (struct gatemate_bit_file *bit_file, const char *filename)
static int	gatemate_set_instr (struct jtag_tap *tap, uint8_t new_instr)
	PLD_CREATE_COMMAND_HANDLER (gatemate_pld_create_command)

Variables
struct pld_driver	gatemate_pld

Macro Definition Documentation

BYPASS

#define BYPASS   0x3F

Definition at line 19 of file gatemate.c.

JTAG_CONFIGURE

#define JTAG_CONFIGURE   0x06

Definition at line 17 of file gatemate.c.

JTAG_SPI_BYPASS

#define JTAG_SPI_BYPASS   0x05

Definition at line 18 of file gatemate.c.

Function Documentation

gatemate_add_byte_to_bitfile()

static int gatemate_add_byte_to_bitfile ( struct gatemate_bit_file *  bit_file, uint8_t  byte  )

static

Definition at line 30 of file gatemate.c.

References buffer, gatemate_bit_file::capacity, raw_bit_file::data, ERROR_FAIL, ERROR_OK, raw_bit_file::length, LOG_ERROR, and gatemate_bit_file::raw_file.

Referenced by gatemate_read_cfg_line().

gatemate_connect_spi_to_jtag()

static int gatemate_connect_spi_to_jtag ( struct pld_device *  pld_device )

static

Definition at line 220 of file gatemate.c.

References buf_get_u32(), jtag_tap::cur_instr, pld_device::driver_priv, ERROR_FAIL, ERROR_OK, gatemate_set_instr(), jtag_tap::ir_length, jtag_execute_queue(), JTAG_SPI_BYPASS, and gatemate_pld_device::tap.

gatemate_disconnect_spi_from_jtag()

static int gatemate_disconnect_spi_from_jtag ( struct pld_device *  pld_device )

static

Definition at line 241 of file gatemate.c.

References buf_get_u32(), BYPASS, jtag_tap::cur_instr, pld_device::driver_priv, ERROR_FAIL, ERROR_OK, gatemate_set_instr(), jtag_tap::ir_length, jtag_execute_queue(), JTAG_SPI_BYPASS, and gatemate_pld_device::tap.

gatemate_get_stuff_bits()

static int gatemate_get_stuff_bits ( struct pld_device *  pld_device, unsigned int *  facing_read_bits, unsigned int *  trailing_write_bits  )

static

Definition at line 262 of file gatemate.c.

References ERROR_FAIL, and ERROR_OK.

gatemate_getline()

static int gatemate_getline ( char **  buffer, size_t *  buf_size, FILE *  input_file  )

static

Definition at line 78 of file gatemate.c.

References buffer, and LOG_ERROR.

Referenced by gatemate_read_cfg_file().

gatemate_has_jtagspi_instruction()

static int gatemate_has_jtagspi_instruction ( struct pld_device *  device, bool *  has_instruction  )

static

Definition at line 214 of file gatemate.c.

References ERROR_OK.

gatemate_load()

static int gatemate_load ( struct pld_device *  pld_device, const char *  filename  )

static

Definition at line 180 of file gatemate.c.

References raw_bit_file::data, pld_device::driver_priv, ERROR_FAIL, ERROR_OK, gatemate_read_file(), gatemate_set_instr(), scan_field::in_value, jtag_add_dr_scan(), JTAG_CONFIGURE, jtag_execute_queue(), raw_bit_file::length, NULL, scan_field::num_bits, scan_field::out_value, gatemate_bit_file::raw_file, gatemate_pld_device::tap, and TAP_IDLE.

gatemate_read_cfg_file()

static int gatemate_read_cfg_file ( struct gatemate_bit_file *  bit_file, const char *  filename  )

static

Definition at line 114 of file gatemate.c.

References raw_bit_file::data, ERROR_OK, ERROR_PLD_FILE_LOAD_FAILED, gatemate_getline(), gatemate_read_cfg_line(), LOG_ERROR, NULL, and gatemate_bit_file::raw_file.

Referenced by gatemate_read_file().

gatemate_read_cfg_line()

static int gatemate_read_cfg_line ( struct gatemate_bit_file *  bit_file, const char *  line_buffer, size_t  nread  )

static

Definition at line 52 of file gatemate.c.

References ERROR_FAIL, ERROR_OK, gatemate_add_byte_to_bitfile(), LOG_ERROR, and unhexify().

Referenced by gatemate_read_cfg_file().

gatemate_read_file()

static int gatemate_read_file ( struct gatemate_bit_file *  bit_file, const char *  filename  )

static

Definition at line 139 of file gatemate.c.

References cpld_read_raw_bit_file(), ERROR_COMMAND_SYNTAX_ERROR, ERROR_PLD_FILE_LOAD_FAILED, gatemate_read_cfg_file(), LOG_ERROR, and gatemate_bit_file::raw_file.

Referenced by gatemate_load().

gatemate_set_instr()

static int gatemate_set_instr ( struct jtag_tap *  tap, uint8_t  new_instr  )

static

Definition at line 162 of file gatemate.c.

References buf_set_u32(), DIV_ROUND_UP, ERROR_FAIL, ERROR_OK, scan_field::in_value, jtag_tap::ir_length, jtag_add_ir_scan(), jtag_add_runtest(), LOG_ERROR, NULL, scan_field::num_bits, scan_field::out_value, and TAP_IDLE.

Referenced by gatemate_connect_spi_to_jtag(), gatemate_disconnect_spi_from_jtag(), and gatemate_load().

PLD_CREATE_COMMAND_HANDLER()

PLD_CREATE_COMMAND_HANDLER

(

gatemate_pld_create_command

)

Definition at line 274 of file gatemate.c.

Variable Documentation

gatemate_pld

struct pld_driver gatemate_pld

Initial value:

= {
    .name = "gatemate",
    .pld_create_command = &gatemate_pld_create_command,
    .load = &gatemate_load,
    .has_jtagspi_instruction = gatemate_has_jtagspi_instruction,
    .connect_spi_to_jtag = gatemate_connect_spi_to_jtag,
    .disconnect_spi_from_jtag = gatemate_disconnect_spi_from_jtag,
    .get_stuff_bits = gatemate_get_stuff_bits,
}

Definition at line 274 of file gatemate.c.