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Allow reconnecting to the testbench JTAG socket

This commit is contained in:
Scott Shawcroft 2022-10-19 12:44:42 -07:00 committed by Luke Wren
parent 4c12f163bd
commit 7fbdb69328
1 changed files with 21 additions and 11 deletions
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32
test/sim/tb_cxxrtl/tb.cpp
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@ -258,6 +258,22 @@ void exit_help(std::string errtext = "") {
exit(-1);
}
int wait_for_connection(int server_fd, uint16_t port, struct sockaddr *sock_addr, socklen_t *sock_addr_len) {
int sock_fd;
printf("Waiting for connection on port %u\n", port);
if (listen(server_fd, 3) < 0) {
fprintf(stderr, "listen failed\n");
exit(-1);
}
sock_fd = accept(server_fd, sock_addr, sock_addr_len);
if (sock_fd < 0) {
fprintf(stderr, "accept failed\n");
exit(-1);
}
printf("Connected\n");
return sock_fd;
}
static const int TCP_BUF_SIZE = 256;
int main(int argc, char **argv) {
@ -355,17 +371,7 @@ int main(int argc, char **argv) {
exit(-1);
}
printf("Waiting for connection on port %u\n", port);
if (listen(server_fd, 3) < 0) {
fprintf(stderr, "listen failed\n");
exit(-1);
}
sock_fd = accept(server_fd, (struct sockaddr *)&sock_addr, &sock_addr_len);
if (sock_fd < 0) {
fprintf(stderr, "accept failed\n");
exit(-1);
}
printf("Connected\n");
sock_fd = wait_for_connection(server_fd, port, (struct sockaddr *)&sock_addr, &sock_addr_len);
}
mem_io_state memio;
@ -485,6 +491,10 @@ int main(int argc, char **argv) {
}
rx_ptr = 0;
rx_remaining = read(sock_fd, &rxbuf, TCP_BUF_SIZE);
if (rx_remaining == 0) {
// The socket is closed. Wait for another connection.
sock_fd = wait_for_connection(server_fd, port, (struct sockaddr *)&sock_addr, &sock_addr_len);
}
}
}
}