xvc.c File Reference

Include dependency graph for xvc.c:

Go to the source code of this file.

Data Structures
struct	shift_result

Macros
#define	MAX_BUF_SIZE   (BIT(31) - 11)
#define	MAX_SHIFT_RESULTS   256

Functions
	COMMAND_HANDLER (xvc_handle_host_command)
	COMMAND_HANDLER (xvc_handle_port_command)
static int	read_frame (int sock_id, unsigned char *ptr, unsigned int size)
static unsigned int	xvc_bits_to_bytes (unsigned int bits)
static int	xvc_fill_buffer (void)
static int	xvc_flush (void)
static int	xvc_getinfo (void)
static int	xvc_init (void)
static int	xvc_init_tcp (int *fd)
static int	xvc_init_unix (int *fd)
static int	xvc_khz (int khz, int *jtag_speed)
static int	xvc_queue (const uint8_t *tms, unsigned int tms_offset, const uint8_t *tdi, unsigned int tdi_offset, uint8_t *tdo, unsigned int tdo_offset, unsigned int length)
static int	xvc_quit (void)
static int	xvc_reset (int trst, int srst)
static int	xvc_set_tck (void)
static int	xvc_speed (int speed)
static int	xvc_speed_div (int speed, int *khz)
static void	xvc_tap_end_state (enum tap_state state)
static int	xvc_tap_execute_queue (struct jtag_command *cmd_queue)
static int	xvc_tap_execute_tms (struct jtag_command *cmd)
static int	xvc_tap_path_move (struct pathmove_command *cmd)
static int	xvc_tap_runtest (unsigned int num_cycles)
static int	xvc_tap_scan_write (struct scan_command *cmd)
static unsigned int	xvc_tap_stableclocks (unsigned int num_cycles)
static int	xvc_tap_state_move (int skip)

Variables
static unsigned int	last_used_bits
static unsigned int	pending_shift_results
static struct shift_result	shift_result_buffer [MAX_SHIFT_RESULTS]
struct adapter_driver	xvc_adapter_driver
static const struct command_registration	xvc_command_handlers []
static int	xvc_fd
static char *	xvc_host
static struct jtag_interface	xvc_interface
static unsigned int	xvc_max_usable_vector_size
static unsigned int	xvc_max_vector_size
static char *	xvc_port
static uint8_t *	xvc_send_buf
static const struct command_registration	xvc_subcommand_handlers []
static uint32_t	xvc_tck
static uint8_t *	xvc_tdi_buf
static uint8_t *	xvc_tdo_buf
static uint8_t *	xvc_tms_buf
static uint32_t	xvc_used_bits

Macro Definition Documentation

MAX_BUF_SIZE

#define MAX_BUF_SIZE   (BIT(31) - 11)

Definition at line 68 of file xvc.c.

MAX_SHIFT_RESULTS

#define MAX_SHIFT_RESULTS   256

Definition at line 69 of file xvc.c.

Function Documentation

COMMAND_HANDLER() [1/2]

COMMAND_HANDLER

(

xvc_handle_host_command

)

Definition at line 418 of file xvc.c.

References CMD_ARGC, CMD_ARGV, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, and xvc_host.

COMMAND_HANDLER() [2/2]

COMMAND_HANDLER

(

xvc_handle_port_command

)

Definition at line 407 of file xvc.c.

References CMD_ARGC, CMD_ARGV, COMMAND_PARSE_NUMBER, ERROR_COMMAND_SYNTAX_ERROR, ERROR_OK, NULL, and xvc_port.

read_frame()

static int read_frame ( int  sock_id, unsigned char *  ptr, unsigned int  size  )

static

Definition at line 104 of file xvc.c.

References ERROR_FAIL, ERROR_OK, LOG_ERROR, read_socket(), size, and state.

Referenced by xvc_fill_buffer().

xvc_bits_to_bytes()

static unsigned int xvc_bits_to_bytes ( unsigned int  bits )

static

Definition at line 77 of file xvc.c.

References bits, and DIV_ROUND_UP.

Referenced by xvc_fill_buffer(), and xvc_flush().

xvc_fill_buffer()

static int xvc_fill_buffer ( void  )

static

Definition at line 297 of file xvc.c.

References buf_set_buf(), shift_result::buffer, shift_result::buffer_offset, ERROR_FAIL, ERROR_OK, shift_result::first, last_used_bits, shift_result::length, LOG_ERROR, pending_shift_results, read_frame(), shift_result_buffer, xvc_bits_to_bytes(), xvc_fd, xvc_max_usable_vector_size, and xvc_tdo_buf.

Referenced by xvc_queue().

xvc_flush()

static int xvc_flush ( void  )

static

Definition at line 123 of file xvc.c.

References ERROR_FAIL, ERROR_OK, h_u32_to_le(), last_used_bits, LOG_DEBUG, LOG_ERROR, write_socket(), xvc_bits_to_bytes(), xvc_fd, xvc_max_usable_vector_size, xvc_send_buf, xvc_tdi_buf, xvc_tms_buf, and xvc_used_bits.

Referenced by xvc_queue().

xvc_getinfo()

static int xvc_getinfo ( void  )

static

Definition at line 205 of file xvc.c.

References ERROR_FAIL, ERROR_OK, LOG_DEBUG, LOG_ERROR, LOG_INFO, MAX_BUF_SIZE, NULL, read_socket(), write_socket(), xvc_fd, xvc_max_usable_vector_size, xvc_max_vector_size, xvc_send_buf, xvc_tdi_buf, xvc_tdo_buf, and xvc_tms_buf.

Referenced by xvc_init().

xvc_init()

static int xvc_init ( void  )

static

Definition at line 458 of file xvc.c.

References ERROR_OK, last_used_bits, LOG_DEBUG, pending_shift_results, xvc_fd, xvc_getinfo(), xvc_init_tcp(), xvc_init_unix(), xvc_port, xvc_set_tck(), xvc_tck, and xvc_used_bits.

xvc_init_tcp()

static int xvc_init_tcp ( int *  fd )

static

Definition at line 325 of file xvc.c.

References close_socket(), ERROR_FAIL, ERROR_OK, LOG_ERROR, LOG_INFO, xvc_host, and xvc_port.

Referenced by xvc_init().

xvc_init_unix()

static int xvc_init_unix ( int *  fd )

static

Definition at line 379 of file xvc.c.

References addr, ERROR_FAIL, ERROR_OK, LOG_ERROR, LOG_INFO, and xvc_host.

Referenced by xvc_init().

xvc_khz()

static int xvc_khz ( int  khz, int *  jtag_speed  )

static

Definition at line 97 of file xvc.c.

References ERROR_OK.

xvc_queue()

static int xvc_queue ( const uint8_t *  tms, unsigned int  tms_offset, const uint8_t *  tdi, unsigned int  tdi_offset, uint8_t *  tdo, unsigned int  tdo_offset, unsigned int  length  )

static

Definition at line 169 of file xvc.c.

References buf_set_buf(), shift_result::buffer, shift_result::buffer_offset, ERROR_OK, shift_result::first, length, shift_result::length, MAX_SHIFT_RESULTS, pending_shift_results, shift_result_buffer, xvc_fill_buffer(), xvc_flush(), xvc_max_usable_vector_size, xvc_tdi_buf, xvc_tms_buf, and xvc_used_bits.

Referenced by xvc_tap_execute_tms(), xvc_tap_path_move(), xvc_tap_scan_write(), xvc_tap_stableclocks(), and xvc_tap_state_move().

xvc_quit()

static int xvc_quit ( void  )

static

Definition at line 490 of file xvc.c.

References close_socket(), ERROR_FAIL, ERROR_OK, LOG_ERROR, xvc_fd, xvc_host, xvc_port, xvc_send_buf, xvc_tdi_buf, xvc_tdo_buf, and xvc_tms_buf.

xvc_reset()

static int xvc_reset ( int  trst, int  srst  )

static

Definition at line 313 of file xvc.c.

References ERROR_OK, and LOG_WARNING.

xvc_set_tck()

static int xvc_set_tck ( void  )

static

Definition at line 270 of file xvc.c.

References ERROR_FAIL, ERROR_OK, h_u32_to_le(), le_to_h_u32(), LOG_ERROR, LOG_INFO, read_socket(), write_socket(), xvc_fd, and xvc_tck.

Referenced by xvc_init(), and xvc_speed().

xvc_speed()

static int xvc_speed ( int  speed )

static

Definition at line 82 of file xvc.c.

References xvc_set_tck(), and xvc_tck.

xvc_speed_div()

static int xvc_speed_div ( int  speed, int *  khz  )

static

Definition at line 90 of file xvc.c.

References ERROR_OK.

xvc_tap_end_state()

static void xvc_tap_end_state ( enum tap_state  state )

static

Definition at line 506 of file xvc.c.

References state, tap_is_state_stable(), and tap_set_end_state().

Referenced by xvc_tap_runtest(), and xvc_tap_scan_write().

xvc_tap_execute_queue()

static int xvc_tap_execute_queue ( struct jtag_command *  cmd_queue )

static

Definition at line 667 of file xvc.c.

xvc_tap_execute_tms()

static int xvc_tap_execute_tms ( struct jtag_command *  cmd )

static

Definition at line 527 of file xvc.c.

References bits, cmd, ERROR_FAIL, ERROR_OK, LOG_DEBUG_IO, NULL, and xvc_queue().

xvc_tap_path_move()

static int xvc_tap_path_move ( struct pathmove_command *  cmd )

static

Definition at line 544 of file xvc.c.

References cmd, ERROR_FAIL, ERROR_OK, LOG_ERROR, NULL, tap_get_state(), tap_set_end_state(), tap_set_state, tap_state_name(), tap_state_transition(), and xvc_queue().

xvc_tap_runtest()

static int xvc_tap_runtest ( unsigned int  num_cycles )

static

Definition at line 582 of file xvc.c.

References ERROR_FAIL, ERROR_OK, tap_get_end_state(), tap_get_state(), TAP_IDLE, xvc_tap_end_state(), xvc_tap_stableclocks(), and xvc_tap_state_move().

xvc_tap_scan_write()

static int xvc_tap_scan_write ( struct scan_command *  cmd )

static

Definition at line 604 of file xvc.c.

References bit_copy(), cmd, ERROR_FAIL, ERROR_OK, LOG_DEBUG, NULL, TAP_DRSHIFT, tap_get_end_state(), tap_get_state(), TAP_IRSHIFT, tap_set_end_state(), tap_set_state, tap_state_transition(), xvc_queue(), xvc_tap_end_state(), and xvc_tap_state_move().

xvc_tap_stableclocks()

static unsigned int xvc_tap_stableclocks ( unsigned int  num_cycles )

static

Definition at line 572 of file xvc.c.

References ERROR_OK, NULL, tap_get_state(), TAP_RESET, and xvc_queue().

Referenced by xvc_tap_runtest().

xvc_tap_state_move()

static int xvc_tap_state_move ( int  skip )

static

Definition at line 512 of file xvc.c.

References ERROR_OK, NULL, tap_get_end_state(), tap_get_state(), tap_get_tms_path(), tap_get_tms_path_len(), tap_set_state, and xvc_queue().

Referenced by xvc_tap_runtest(), and xvc_tap_scan_write().

Variable Documentation

last_used_bits

unsigned int last_used_bits

static

Definition at line 70 of file xvc.c.

Referenced by xvc_fill_buffer(), xvc_flush(), and xvc_init().

pending_shift_results

unsigned int pending_shift_results

static

Definition at line 71 of file xvc.c.

Referenced by xvc_fill_buffer(), xvc_init(), and xvc_queue().

shift_result_buffer

struct shift_result shift_result_buffer[MAX_SHIFT_RESULTS]

static

Definition at line 71 of file xvc.c.

Referenced by xvc_fill_buffer(), and xvc_queue().

xvc_adapter_driver

struct adapter_driver xvc_adapter_driver

Initial value:

= {
    .name = "xvc",
    .transport_ids = TRANSPORT_JTAG,
    .transport_preferred_id = TRANSPORT_JTAG,
    .commands = xvc_command_handlers,
    .init = xvc_init,
    .quit = xvc_quit,
    .reset = &xvc_reset,
    .speed = &xvc_speed,
    .khz = &xvc_khz,
    .speed_div = &xvc_speed_div,
    .jtag_ops = &xvc_interface,
}

Definition at line 667 of file xvc.c.

xvc_command_handlers

const struct command_registration xvc_command_handlers[]

static

Initial value:

= {
    {
        .name = "xvc",
        .mode = COMMAND_ANY,
        .help = "perform XVC driver configuration",
        .chain = xvc_subcommand_handlers,
        .usage = "",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 418 of file xvc.c.

xvc_fd

int xvc_fd

static

Definition at line 40 of file xvc.c.

Referenced by xvc_fill_buffer(), xvc_flush(), xvc_getinfo(), xvc_init(), xvc_quit(), and xvc_set_tck().

xvc_host

char* xvc_host

static

Definition at line 36 of file xvc.c.

Referenced by COMMAND_HANDLER(), xvc_init_tcp(), xvc_init_unix(), and xvc_quit().

xvc_interface

struct jtag_interface xvc_interface

static

Initial value:

= {
    .execute_queue = &xvc_tap_execute_queue,
    .supported = DEBUG_CAP_TMS_SEQ,
}

Definition at line 667 of file xvc.c.

xvc_max_usable_vector_size

unsigned int xvc_max_usable_vector_size

static

Definition at line 50 of file xvc.c.

Referenced by xvc_fill_buffer(), xvc_flush(), xvc_getinfo(), and xvc_queue().

xvc_max_vector_size

unsigned int xvc_max_vector_size

static

Definition at line 48 of file xvc.c.

Referenced by xvc_getinfo().

xvc_port

char* xvc_port

static

Definition at line 37 of file xvc.c.

Referenced by COMMAND_HANDLER(), xvc_init(), xvc_init_tcp(), and xvc_quit().

xvc_send_buf

uint8_t* xvc_send_buf

static

Definition at line 43 of file xvc.c.

Referenced by xvc_flush(), xvc_getinfo(), and xvc_quit().

xvc_subcommand_handlers

const struct command_registration xvc_subcommand_handlers[]

static

Initial value:

= {
    {
        .name = "port",
        .handler = xvc_handle_port_command,
        .mode = COMMAND_CONFIG,
        .help =
            "Set the port to use to connect to the XVC remote server.\n"
            " If 0 or unset, use unix sockets to connect to the remote server.",
        .usage = "port_number",
    },
    {
        .name = "host",
        .handler = xvc_handle_host_command,
        .mode = COMMAND_CONFIG,
        .help = "Set the host to use or UNIX socket to connect to the remote XVC server.",
        .usage = "host_name",
    },
    COMMAND_REGISTRATION_DONE
}

Definition at line 418 of file xvc.c.

xvc_tck

uint32_t xvc_tck

static

Definition at line 38 of file xvc.c.

Referenced by xvc_init(), xvc_set_tck(), and xvc_speed().

xvc_tdi_buf

uint8_t* xvc_tdi_buf

static

Definition at line 42 of file xvc.c.

Referenced by xvc_flush(), xvc_getinfo(), xvc_queue(), and xvc_quit().

xvc_tdo_buf

uint8_t* xvc_tdo_buf

static

Definition at line 44 of file xvc.c.

Referenced by xvc_fill_buffer(), xvc_getinfo(), and xvc_quit().

xvc_tms_buf

uint8_t* xvc_tms_buf

static

Definition at line 41 of file xvc.c.

Referenced by xvc_flush(), xvc_getinfo(), xvc_queue(), and xvc_quit().

xvc_used_bits

uint32_t xvc_used_bits

static

Definition at line 45 of file xvc.c.

Referenced by xvc_flush(), xvc_init(), and xvc_queue().