685 lines
17 KiB
C
685 lines
17 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
|
|
/*
|
|
* JTAG to VPI driver
|
|
*
|
|
* Copyright (C) 2013 Franck Jullien, <elec4fun@gmail.com>
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <jtag/interface.h>
|
|
#ifdef HAVE_ARPA_INET_H
|
|
#include <arpa/inet.h>
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
#include <netinet/tcp.h>
|
|
#endif
|
|
|
|
#include "helper/replacements.h"
|
|
|
|
#define NO_TAP_SHIFT 0
|
|
#define TAP_SHIFT 1
|
|
|
|
#define DEFAULT_SERVER_ADDRESS "127.0.0.1"
|
|
#define DEFAULT_SERVER_PORT 5555
|
|
|
|
#define XFERT_MAX_SIZE 512
|
|
|
|
#define CMD_RESET 0
|
|
#define CMD_TMS_SEQ 1
|
|
#define CMD_SCAN_CHAIN 2
|
|
#define CMD_SCAN_CHAIN_FLIP_TMS 3
|
|
#define CMD_STOP_SIMU 4
|
|
|
|
/* jtag_vpi server port and address to connect to */
|
|
static int server_port = DEFAULT_SERVER_PORT;
|
|
static char *server_address;
|
|
|
|
/* Send CMD_STOP_SIMU to server when OpenOCD exits? */
|
|
static bool stop_sim_on_exit;
|
|
|
|
static int sockfd;
|
|
static struct sockaddr_in serv_addr;
|
|
|
|
/* One jtag_vpi "packet" as sent over a TCP channel. */
|
|
struct vpi_cmd {
|
|
union {
|
|
uint32_t cmd;
|
|
unsigned char cmd_buf[4];
|
|
};
|
|
unsigned char buffer_out[XFERT_MAX_SIZE];
|
|
unsigned char buffer_in[XFERT_MAX_SIZE];
|
|
union {
|
|
uint32_t length;
|
|
unsigned char length_buf[4];
|
|
};
|
|
union {
|
|
uint32_t nb_bits;
|
|
unsigned char nb_bits_buf[4];
|
|
};
|
|
};
|
|
|
|
static char *jtag_vpi_cmd_to_str(int cmd_num)
|
|
{
|
|
switch (cmd_num) {
|
|
case CMD_RESET:
|
|
return "CMD_RESET";
|
|
case CMD_TMS_SEQ:
|
|
return "CMD_TMS_SEQ";
|
|
case CMD_SCAN_CHAIN:
|
|
return "CMD_SCAN_CHAIN";
|
|
case CMD_SCAN_CHAIN_FLIP_TMS:
|
|
return "CMD_SCAN_CHAIN_FLIP_TMS";
|
|
case CMD_STOP_SIMU:
|
|
return "CMD_STOP_SIMU";
|
|
default:
|
|
return "<unknown>";
|
|
}
|
|
}
|
|
|
|
static int jtag_vpi_send_cmd(struct vpi_cmd *vpi)
|
|
{
|
|
int retval;
|
|
|
|
/* Optional low-level JTAG debug */
|
|
if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO)) {
|
|
if (vpi->nb_bits > 0) {
|
|
/* command with a non-empty data payload */
|
|
char *char_buf = buf_to_hex_str(vpi->buffer_out,
|
|
(vpi->nb_bits > DEBUG_JTAG_IOZ)
|
|
? DEBUG_JTAG_IOZ
|
|
: vpi->nb_bits);
|
|
LOG_DEBUG_IO("sending JTAG VPI cmd: cmd=%s, "
|
|
"length=%" PRIu32 ", "
|
|
"nb_bits=%" PRIu32 ", "
|
|
"buf_out=0x%s%s",
|
|
jtag_vpi_cmd_to_str(vpi->cmd),
|
|
vpi->length,
|
|
vpi->nb_bits,
|
|
char_buf,
|
|
(vpi->nb_bits > DEBUG_JTAG_IOZ) ? "(...)" : "");
|
|
free(char_buf);
|
|
} else {
|
|
/* command without data payload */
|
|
LOG_DEBUG_IO("sending JTAG VPI cmd: cmd=%s, "
|
|
"length=%" PRIu32 ", "
|
|
"nb_bits=%" PRIu32,
|
|
jtag_vpi_cmd_to_str(vpi->cmd),
|
|
vpi->length,
|
|
vpi->nb_bits);
|
|
}
|
|
}
|
|
|
|
/* Use little endian when transmitting/receiving jtag_vpi cmds.
|
|
The choice of little endian goes against usual networking conventions
|
|
but is intentional to remain compatible with most older OpenOCD builds
|
|
(i.e. builds on little-endian platforms). */
|
|
h_u32_to_le(vpi->cmd_buf, vpi->cmd);
|
|
h_u32_to_le(vpi->length_buf, vpi->length);
|
|
h_u32_to_le(vpi->nb_bits_buf, vpi->nb_bits);
|
|
|
|
retry_write:
|
|
retval = write_socket(sockfd, vpi, sizeof(struct vpi_cmd));
|
|
|
|
if (retval < 0) {
|
|
/* Account for the case when socket write is interrupted. */
|
|
#ifdef _WIN32
|
|
int wsa_err = WSAGetLastError();
|
|
if (wsa_err == WSAEINTR)
|
|
goto retry_write;
|
|
#else
|
|
if (errno == EINTR)
|
|
goto retry_write;
|
|
#endif
|
|
/* Otherwise this is an error using the socket, most likely fatal
|
|
for the connection. B*/
|
|
log_socket_error("jtag_vpi xmit");
|
|
/* TODO: Clean way how adapter drivers can report fatal errors
|
|
to upper layers of OpenOCD and let it perform an orderly shutdown? */
|
|
exit(-1);
|
|
} else if (retval < (int)sizeof(struct vpi_cmd)) {
|
|
/* This means we could not send all data, which is most likely fatal
|
|
for the jtag_vpi connection (the underlying TCP connection likely not
|
|
usable anymore) */
|
|
LOG_ERROR("jtag_vpi: Could not send all data through jtag_vpi connection.");
|
|
exit(-1);
|
|
}
|
|
|
|
/* Otherwise the packet has been sent successfully. */
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int jtag_vpi_receive_cmd(struct vpi_cmd *vpi)
|
|
{
|
|
unsigned bytes_buffered = 0;
|
|
while (bytes_buffered < sizeof(struct vpi_cmd)) {
|
|
int bytes_to_receive = sizeof(struct vpi_cmd) - bytes_buffered;
|
|
int retval = read_socket(sockfd, ((char *)vpi) + bytes_buffered, bytes_to_receive);
|
|
if (retval < 0) {
|
|
#ifdef _WIN32
|
|
int wsa_err = WSAGetLastError();
|
|
if (wsa_err == WSAEINTR) {
|
|
/* socket read interrupted by WSACancelBlockingCall() */
|
|
continue;
|
|
}
|
|
#else
|
|
if (errno == EINTR) {
|
|
/* socket read interrupted by a signal */
|
|
continue;
|
|
}
|
|
#endif
|
|
/* Otherwise, this is an error when accessing the socket. */
|
|
log_socket_error("jtag_vpi recv");
|
|
exit(-1);
|
|
} else if (retval == 0) {
|
|
/* Connection closed by the other side */
|
|
LOG_ERROR("Connection prematurely closed by jtag_vpi server.");
|
|
exit(-1);
|
|
}
|
|
/* Otherwise, we have successfully received some data */
|
|
bytes_buffered += retval;
|
|
}
|
|
|
|
/* Use little endian when transmitting/receiving jtag_vpi cmds. */
|
|
vpi->cmd = le_to_h_u32(vpi->cmd_buf);
|
|
vpi->length = le_to_h_u32(vpi->length_buf);
|
|
vpi->nb_bits = le_to_h_u32(vpi->nb_bits_buf);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_reset - ask to reset the JTAG device
|
|
* @param trst 1 if TRST is to be asserted
|
|
* @param srst 1 if SRST is to be asserted
|
|
*/
|
|
static int jtag_vpi_reset(int trst, int srst)
|
|
{
|
|
struct vpi_cmd vpi;
|
|
memset(&vpi, 0, sizeof(struct vpi_cmd));
|
|
|
|
vpi.cmd = CMD_RESET;
|
|
vpi.length = 0;
|
|
return jtag_vpi_send_cmd(&vpi);
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_tms_seq - ask a TMS sequence transition to JTAG
|
|
* @param bits TMS bits to be written (bit0, bit1 .. bitN)
|
|
* @param nb_bits number of TMS bits (between 1 and 8)
|
|
*
|
|
* Write a series of TMS transitions, where each transition consists in :
|
|
* - writing out TCK=0, TMS=\<new_state>, TDI=\<???>
|
|
* - writing out TCK=1, TMS=\<new_state>, TDI=\<???> which triggers the transition
|
|
* The function ensures that at the end of the sequence, the clock (TCK) is put
|
|
* low.
|
|
*/
|
|
static int jtag_vpi_tms_seq(const uint8_t *bits, int nb_bits)
|
|
{
|
|
struct vpi_cmd vpi;
|
|
int nb_bytes;
|
|
|
|
memset(&vpi, 0, sizeof(struct vpi_cmd));
|
|
nb_bytes = DIV_ROUND_UP(nb_bits, 8);
|
|
|
|
vpi.cmd = CMD_TMS_SEQ;
|
|
memcpy(vpi.buffer_out, bits, nb_bytes);
|
|
vpi.length = nb_bytes;
|
|
vpi.nb_bits = nb_bits;
|
|
|
|
return jtag_vpi_send_cmd(&vpi);
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_path_move - ask a TMS sequence transition to JTAG
|
|
* @param cmd path transition
|
|
*
|
|
* Write a series of TMS transitions, where each transition consists in :
|
|
* - writing out TCK=0, TMS=\<new_state>, TDI=\<???>
|
|
* - writing out TCK=1, TMS=\<new_state>, TDI=\<???> which triggers the transition
|
|
* The function ensures that at the end of the sequence, the clock (TCK) is put
|
|
* low.
|
|
*/
|
|
|
|
static int jtag_vpi_path_move(struct pathmove_command *cmd)
|
|
{
|
|
uint8_t trans[DIV_ROUND_UP(cmd->num_states, 8)];
|
|
|
|
memset(trans, 0, DIV_ROUND_UP(cmd->num_states, 8));
|
|
|
|
for (int i = 0; i < cmd->num_states; i++) {
|
|
if (tap_state_transition(tap_get_state(), true) == cmd->path[i])
|
|
buf_set_u32(trans, i, 1, 1);
|
|
tap_set_state(cmd->path[i]);
|
|
}
|
|
|
|
return jtag_vpi_tms_seq(trans, cmd->num_states);
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_tms - ask a tms command
|
|
* @param cmd tms command
|
|
*/
|
|
static int jtag_vpi_tms(struct tms_command *cmd)
|
|
{
|
|
return jtag_vpi_tms_seq(cmd->bits, cmd->num_bits);
|
|
}
|
|
|
|
static int jtag_vpi_state_move(tap_state_t state)
|
|
{
|
|
if (tap_get_state() == state)
|
|
return ERROR_OK;
|
|
|
|
uint8_t tms_scan = tap_get_tms_path(tap_get_state(), state);
|
|
int tms_len = tap_get_tms_path_len(tap_get_state(), state);
|
|
|
|
int retval = jtag_vpi_tms_seq(&tms_scan, tms_len);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
tap_set_state(state);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int jtag_vpi_queue_tdi_xfer(uint8_t *bits, int nb_bits, int tap_shift)
|
|
{
|
|
struct vpi_cmd vpi;
|
|
int nb_bytes = DIV_ROUND_UP(nb_bits, 8);
|
|
|
|
memset(&vpi, 0, sizeof(struct vpi_cmd));
|
|
|
|
vpi.cmd = tap_shift ? CMD_SCAN_CHAIN_FLIP_TMS : CMD_SCAN_CHAIN;
|
|
|
|
if (bits)
|
|
memcpy(vpi.buffer_out, bits, nb_bytes);
|
|
else
|
|
memset(vpi.buffer_out, 0xff, nb_bytes);
|
|
|
|
vpi.length = nb_bytes;
|
|
vpi.nb_bits = nb_bits;
|
|
|
|
int retval = jtag_vpi_send_cmd(&vpi);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
retval = jtag_vpi_receive_cmd(&vpi);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
/* Optional low-level JTAG debug */
|
|
if (LOG_LEVEL_IS(LOG_LVL_DEBUG_IO)) {
|
|
char *char_buf = buf_to_hex_str(vpi.buffer_in,
|
|
(nb_bits > DEBUG_JTAG_IOZ) ? DEBUG_JTAG_IOZ : nb_bits);
|
|
LOG_DEBUG_IO("recvd JTAG VPI data: nb_bits=%d, buf_in=0x%s%s",
|
|
nb_bits, char_buf, (nb_bits > DEBUG_JTAG_IOZ) ? "(...)" : "");
|
|
free(char_buf);
|
|
}
|
|
|
|
if (bits)
|
|
memcpy(bits, vpi.buffer_in, nb_bytes);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_queue_tdi - short description
|
|
* @param bits bits to be queued on TDI (or NULL if 0 are to be queued)
|
|
* @param nb_bits number of bits
|
|
* @param tap_shift
|
|
*/
|
|
static int jtag_vpi_queue_tdi(uint8_t *bits, int nb_bits, int tap_shift)
|
|
{
|
|
int nb_xfer = DIV_ROUND_UP(nb_bits, XFERT_MAX_SIZE * 8);
|
|
int retval;
|
|
|
|
while (nb_xfer) {
|
|
if (nb_xfer == 1) {
|
|
retval = jtag_vpi_queue_tdi_xfer(bits, nb_bits, tap_shift);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
} else {
|
|
retval = jtag_vpi_queue_tdi_xfer(bits, XFERT_MAX_SIZE * 8, NO_TAP_SHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
nb_bits -= XFERT_MAX_SIZE * 8;
|
|
if (bits)
|
|
bits += XFERT_MAX_SIZE;
|
|
}
|
|
|
|
nb_xfer--;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_clock_tms - clock a TMS transition
|
|
* @param tms the TMS to be sent
|
|
*
|
|
* Triggers a TMS transition (ie. one JTAG TAP state move).
|
|
*/
|
|
static int jtag_vpi_clock_tms(int tms)
|
|
{
|
|
const uint8_t tms_0 = 0;
|
|
const uint8_t tms_1 = 1;
|
|
|
|
return jtag_vpi_tms_seq(tms ? &tms_1 : &tms_0, 1);
|
|
}
|
|
|
|
/**
|
|
* jtag_vpi_scan - launches a DR-scan or IR-scan
|
|
* @param cmd the command to launch
|
|
*
|
|
* Launch a JTAG IR-scan or DR-scan
|
|
*
|
|
* Returns ERROR_OK if OK, ERROR_xxx if a read/write error occurred.
|
|
*/
|
|
static int jtag_vpi_scan(struct scan_command *cmd)
|
|
{
|
|
int scan_bits;
|
|
uint8_t *buf = NULL;
|
|
int retval = ERROR_OK;
|
|
|
|
scan_bits = jtag_build_buffer(cmd, &buf);
|
|
|
|
if (cmd->ir_scan) {
|
|
retval = jtag_vpi_state_move(TAP_IRSHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
} else {
|
|
retval = jtag_vpi_state_move(TAP_DRSHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
}
|
|
|
|
if (cmd->end_state == TAP_DRSHIFT) {
|
|
retval = jtag_vpi_queue_tdi(buf, scan_bits, NO_TAP_SHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
} else {
|
|
retval = jtag_vpi_queue_tdi(buf, scan_bits, TAP_SHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
}
|
|
|
|
if (cmd->end_state != TAP_DRSHIFT) {
|
|
/*
|
|
* As our JTAG is in an unstable state (IREXIT1 or DREXIT1), move it
|
|
* forward to a stable IRPAUSE or DRPAUSE.
|
|
*/
|
|
retval = jtag_vpi_clock_tms(0);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
if (cmd->ir_scan)
|
|
tap_set_state(TAP_IRPAUSE);
|
|
else
|
|
tap_set_state(TAP_DRPAUSE);
|
|
}
|
|
|
|
retval = jtag_read_buffer(buf, cmd);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
free(buf);
|
|
|
|
if (cmd->end_state != TAP_DRSHIFT) {
|
|
retval = jtag_vpi_state_move(cmd->end_state);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int jtag_vpi_runtest(int cycles, tap_state_t state)
|
|
{
|
|
int retval;
|
|
|
|
retval = jtag_vpi_state_move(TAP_IDLE);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
retval = jtag_vpi_queue_tdi(NULL, cycles, NO_TAP_SHIFT);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
|
|
return jtag_vpi_state_move(state);
|
|
}
|
|
|
|
static int jtag_vpi_stableclocks(int cycles)
|
|
{
|
|
uint8_t tms_bits[4];
|
|
int cycles_remain = cycles;
|
|
int nb_bits;
|
|
int retval;
|
|
const int CYCLES_ONE_BATCH = sizeof(tms_bits) * 8;
|
|
|
|
assert(cycles >= 0);
|
|
|
|
/* use TMS=1 in TAP RESET state, TMS=0 in all other stable states */
|
|
memset(&tms_bits, (tap_get_state() == TAP_RESET) ? 0xff : 0x00, sizeof(tms_bits));
|
|
|
|
/* send the TMS bits */
|
|
while (cycles_remain > 0) {
|
|
nb_bits = (cycles_remain < CYCLES_ONE_BATCH) ? cycles_remain : CYCLES_ONE_BATCH;
|
|
retval = jtag_vpi_tms_seq(tms_bits, nb_bits);
|
|
if (retval != ERROR_OK)
|
|
return retval;
|
|
cycles_remain -= nb_bits;
|
|
}
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int jtag_vpi_execute_queue(void)
|
|
{
|
|
struct jtag_command *cmd;
|
|
int retval = ERROR_OK;
|
|
|
|
for (cmd = jtag_command_queue; retval == ERROR_OK && cmd;
|
|
cmd = cmd->next) {
|
|
switch (cmd->type) {
|
|
case JTAG_RESET:
|
|
retval = jtag_vpi_reset(cmd->cmd.reset->trst, cmd->cmd.reset->srst);
|
|
break;
|
|
case JTAG_RUNTEST:
|
|
retval = jtag_vpi_runtest(cmd->cmd.runtest->num_cycles,
|
|
cmd->cmd.runtest->end_state);
|
|
break;
|
|
case JTAG_STABLECLOCKS:
|
|
retval = jtag_vpi_stableclocks(cmd->cmd.stableclocks->num_cycles);
|
|
break;
|
|
case JTAG_TLR_RESET:
|
|
retval = jtag_vpi_state_move(cmd->cmd.statemove->end_state);
|
|
break;
|
|
case JTAG_PATHMOVE:
|
|
retval = jtag_vpi_path_move(cmd->cmd.pathmove);
|
|
break;
|
|
case JTAG_TMS:
|
|
retval = jtag_vpi_tms(cmd->cmd.tms);
|
|
break;
|
|
case JTAG_SLEEP:
|
|
jtag_sleep(cmd->cmd.sleep->us);
|
|
break;
|
|
case JTAG_SCAN:
|
|
retval = jtag_vpi_scan(cmd->cmd.scan);
|
|
break;
|
|
default:
|
|
LOG_ERROR("BUG: unknown JTAG command type 0x%X",
|
|
cmd->type);
|
|
retval = ERROR_FAIL;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int jtag_vpi_init(void)
|
|
{
|
|
int flag = 1;
|
|
|
|
sockfd = socket(AF_INET, SOCK_STREAM, 0);
|
|
if (sockfd < 0) {
|
|
LOG_ERROR("jtag_vpi: Could not create client socket");
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
memset(&serv_addr, 0, sizeof(serv_addr));
|
|
|
|
serv_addr.sin_family = AF_INET;
|
|
serv_addr.sin_port = htons(server_port);
|
|
|
|
if (!server_address)
|
|
server_address = strdup(DEFAULT_SERVER_ADDRESS);
|
|
|
|
serv_addr.sin_addr.s_addr = inet_addr(server_address);
|
|
|
|
if (serv_addr.sin_addr.s_addr == INADDR_NONE) {
|
|
LOG_ERROR("jtag_vpi: inet_addr error occurred");
|
|
return ERROR_FAIL;
|
|
}
|
|
|
|
if (connect(sockfd, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) < 0) {
|
|
close(sockfd);
|
|
LOG_ERROR("jtag_vpi: Can't connect to %s : %u", server_address, server_port);
|
|
return ERROR_COMMAND_CLOSE_CONNECTION;
|
|
}
|
|
|
|
if (serv_addr.sin_addr.s_addr == htonl(INADDR_LOOPBACK)) {
|
|
/* This increases performance dramatically for local
|
|
* connections, which is the most likely arrangement
|
|
* for a VPI connection. */
|
|
setsockopt(sockfd, IPPROTO_TCP, TCP_NODELAY, (char *)&flag, sizeof(int));
|
|
}
|
|
|
|
LOG_INFO("jtag_vpi: Connection to %s : %u successful", server_address, server_port);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static int jtag_vpi_stop_simulation(void)
|
|
{
|
|
struct vpi_cmd cmd;
|
|
memset(&cmd, 0, sizeof(struct vpi_cmd));
|
|
cmd.length = 0;
|
|
cmd.nb_bits = 0;
|
|
cmd.cmd = CMD_STOP_SIMU;
|
|
return jtag_vpi_send_cmd(&cmd);
|
|
}
|
|
|
|
static int jtag_vpi_quit(void)
|
|
{
|
|
if (stop_sim_on_exit) {
|
|
if (jtag_vpi_stop_simulation() != ERROR_OK)
|
|
LOG_WARNING("jtag_vpi: failed to send \"stop simulation\" command");
|
|
}
|
|
if (close_socket(sockfd) != 0) {
|
|
LOG_WARNING("jtag_vpi: could not close jtag_vpi client socket");
|
|
log_socket_error("jtag_vpi");
|
|
}
|
|
free(server_address);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(jtag_vpi_set_port)
|
|
{
|
|
if (CMD_ARGC == 0) {
|
|
LOG_ERROR("Command \"jtag_vpi set_port\" expects 1 argument (TCP port number)");
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
}
|
|
|
|
COMMAND_PARSE_NUMBER(int, CMD_ARGV[0], server_port);
|
|
LOG_INFO("jtag_vpi: server port set to %u", server_port);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(jtag_vpi_set_address)
|
|
{
|
|
|
|
if (CMD_ARGC == 0) {
|
|
LOG_ERROR("Command \"jtag_vpi set_address\" expects 1 argument (IP address)");
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
}
|
|
|
|
free(server_address);
|
|
server_address = strdup(CMD_ARGV[0]);
|
|
LOG_INFO("jtag_vpi: server address set to %s", server_address);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
COMMAND_HANDLER(jtag_vpi_stop_sim_on_exit_handler)
|
|
{
|
|
if (CMD_ARGC != 1) {
|
|
LOG_ERROR("Command \"jtag_vpi stop_sim_on_exit\" expects 1 argument (on|off)");
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
}
|
|
|
|
COMMAND_PARSE_ON_OFF(CMD_ARGV[0], stop_sim_on_exit);
|
|
return ERROR_OK;
|
|
}
|
|
|
|
static const struct command_registration jtag_vpi_subcommand_handlers[] = {
|
|
{
|
|
.name = "set_port",
|
|
.handler = &jtag_vpi_set_port,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the TCP port number of the jtag_vpi server (default: 5555)",
|
|
.usage = "tcp_port_num",
|
|
},
|
|
{
|
|
.name = "set_address",
|
|
.handler = &jtag_vpi_set_address,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "set the IP address of the jtag_vpi server (default: 127.0.0.1)",
|
|
.usage = "ipv4_addr",
|
|
},
|
|
{
|
|
.name = "stop_sim_on_exit",
|
|
.handler = &jtag_vpi_stop_sim_on_exit_handler,
|
|
.mode = COMMAND_CONFIG,
|
|
.help = "Configure if simulation stop command shall be sent "
|
|
"before OpenOCD exits (default: off)",
|
|
.usage = "<on|off>",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
static const struct command_registration jtag_vpi_command_handlers[] = {
|
|
{
|
|
.name = "jtag_vpi",
|
|
.mode = COMMAND_ANY,
|
|
.help = "perform jtag_vpi management",
|
|
.chain = jtag_vpi_subcommand_handlers,
|
|
.usage = "",
|
|
},
|
|
COMMAND_REGISTRATION_DONE
|
|
};
|
|
|
|
static struct jtag_interface jtag_vpi_interface = {
|
|
.supported = DEBUG_CAP_TMS_SEQ,
|
|
.execute_queue = jtag_vpi_execute_queue,
|
|
};
|
|
|
|
struct adapter_driver jtag_vpi_adapter_driver = {
|
|
.name = "jtag_vpi",
|
|
.transports = jtag_only,
|
|
.commands = jtag_vpi_command_handlers,
|
|
|
|
.init = jtag_vpi_init,
|
|
.quit = jtag_vpi_quit,
|
|
|
|
.jtag_ops = &jtag_vpi_interface,
|
|
};
|