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-rw-r--r--platform/wavelet3d/remote_bitbang.cpp300
1 files changed, 0 insertions, 300 deletions
diff --git a/platform/wavelet3d/remote_bitbang.cpp b/platform/wavelet3d/remote_bitbang.cpp
deleted file mode 100644
index 5e87233..0000000
--- a/platform/wavelet3d/remote_bitbang.cpp
+++ /dev/null
@@ -1,300 +0,0 @@
-// https://github.com/pulp-platform/riscv-dbg/blob/master/tb/remote_bitbang/remote_bitbang.c
-// See LICENSE.Berkeley for license details.
-
-#include <arpa/inet.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "remote_bitbang.h"
-
-//Public globals, declared in remote_bitbang.h
-
-int rbs_err;
-
-unsigned char tck;
-unsigned char tms;
-unsigned char tdi;
-unsigned char trstn;
-unsigned char tdo;
-unsigned char quit;
-
-int socket_fd;
-int client_fd;
-
-//static const ssize_t buf_size = 64 * 1024;
-char recv_buf[64 * 1024];
-ssize_t recv_start, recv_end;
-
-int rbs_init(uint16_t port)
-{
- socket_fd = 0;
- client_fd = 0;
- recv_start = 0;
- recv_end = 0;
- rbs_err = 0;
-
- socket_fd = socket(AF_INET, SOCK_STREAM, 0);
- if (socket_fd == -1) {
- fprintf(stderr, "remote_bitbang failed to make socket: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
-
- fcntl(socket_fd, F_SETFL, O_NONBLOCK);
- int reuseaddr = 1;
- if (setsockopt(socket_fd, SOL_SOCKET, SO_REUSEADDR, &reuseaddr,
- sizeof(int)) == -1) {
- fprintf(stderr, "remote_bitbang failed setsockopt: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
-
- struct sockaddr_in addr;
- memset(&addr, 0, sizeof(addr));
- addr.sin_family = AF_INET;
- addr.sin_addr.s_addr = INADDR_ANY;
- addr.sin_port = htons(port);
-
- if (bind(socket_fd, (struct sockaddr *)&addr, sizeof(addr)) == -1) {
- fprintf(stderr, "remote_bitbang failed to bind socket: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
-
- if (listen(socket_fd, 1) == -1) {
- fprintf(stderr, "remote_bitbang failed to listen on socket: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
-
- socklen_t addrlen = sizeof(addr);
- if (getsockname(socket_fd, (struct sockaddr *)&addr, &addrlen) == -1) {
- fprintf(stderr, "remote_bitbang getsockname failed: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
-
- tck = 1;
- tms = 1;
- tdi = 1;
- trstn = 1;
- quit = 0;
-
- fprintf(stderr, "JTAG remote bitbang server is ready\n");
- fprintf(stderr, "Listening on port %d\n", ntohs(addr.sin_port));
- return 1;
-}
-
-void rbs_accept()
-{
- fprintf(stderr, "Attempting to accept client socket\n");
- int again = 1;
- while (again != 0) {
- client_fd = accept(socket_fd, NULL, NULL);
- if (client_fd == -1) {
- if (errno == EAGAIN) {
- // No client waiting to connect right now.
- } else {
- fprintf(stderr, "failed to accept on socket: %s (%d)\n",
- strerror(errno), errno);
- again = 0;
- abort();
- }
- } else {
- fcntl(client_fd, F_SETFL, O_NONBLOCK);
- fprintf(stderr, "Accepted successfully.\n");
- again = 0;
- }
- }
-}
-
-void rbs_tick(unsigned char *jtag_tck, unsigned char *jtag_tms,
- unsigned char *jtag_tdi, unsigned char *jtag_trstn,
- unsigned char jtag_tdo)
-{
- if (client_fd > 0) {
- tdo = jtag_tdo;
- rbs_execute_command();
- } else {
- rbs_accept();
- }
-
- *jtag_tck = tck;
- *jtag_tms = tms;
- *jtag_tdi = tdi;
- *jtag_trstn = trstn;
-}
-
-void rbs_reset()
-{
- trstn = 0;
-}
-
-void rbs_set()
-{
- trstn = 1;
-}
-
-void rbs_set_pins(char _tck, char _tms, char _tdi)
-{
- tck = _tck;
- tms = _tms;
- tdi = _tdi;
-}
-
-void rbs_execute_command()
-{
- char command;
- int again = 1;
- while (again) {
- ssize_t num_read = read(client_fd, &command, sizeof(command));
- if (num_read == -1) {
- if (errno == EAGAIN) {
- // We'll try again the next call.
- if (VERBOSE)
- fprintf(
- stderr,
- "Received no command. Will try again on the next call\n");
- } else {
- fprintf(stderr,
- "remote_bitbang failed to read on socket: %s (%d)\n",
- strerror(errno), errno);
- again = 0;
- abort();
- }
- } else if (num_read == 0) {
- fprintf(stderr, "No command received. Stopping further reads.\n");
- close(client_fd);
- client_fd = -1;
- // again = 1;
- return;
- } else {
- again = 0;
- }
- }
-
- int dosend = 0;
-
- char tosend = '?';
-
- switch (command) {
- case 'B':
- if (VERBOSE)
- fprintf(stderr, "*BLINK*\n");
- break;
- case 'b':
- if (VERBOSE)
- fprintf(stderr, "blink off\n");
- break;
- case 'r':
- if (VERBOSE)
- fprintf(stderr, "r-reset\n");
- rbs_set(); //r-reset command deasserts TRST. See: openocd/blob/master/doc/manual/jtag/drivers/remote_bitbang.txt
- break;
- case 's':
- if (VERBOSE)
- fprintf(stderr, "s-reset\n");
- rbs_set(); //s-reset command deasserts TRST. See: openocd/blob/master/doc/manual/jtag/drivers/remote_bitbang.txt
- break;
- case 't':
- if (VERBOSE)
- fprintf(stderr, "t-reset\n");
- rbs_reset(); //t-reset command asserts TRST. See: openocd/blob/master/doc/manual/jtag/drivers/remote_bitbang.txt
- break;
- case 'u':
- if (VERBOSE)
- fprintf(stderr, "u-reset\n");
- rbs_reset(); //u-reset command asserts TRST. See: openocd/blob/master/doc/manual/jtag/drivers/remote_bitbang.txt
- break;
- case '0':
- if (VERBOSE)
- fprintf(stderr, "Write 0 0 0\n");
- rbs_set_pins(0, 0, 0);
- break;
- case '1':
- if (VERBOSE)
- fprintf(stderr, "Write 0 0 1\n");
- rbs_set_pins(0, 0, 1);
- break;
- case '2':
- if (VERBOSE)
- fprintf(stderr, "Write 0 1 0\n");
- rbs_set_pins(0, 1, 0);
- break;
- case '3':
- if (VERBOSE)
- fprintf(stderr, "Write 0 1 1\n");
- rbs_set_pins(0, 1, 1);
- break;
- case '4':
- if (VERBOSE)
- fprintf(stderr, "Write 1 0 0\n");
- rbs_set_pins(1, 0, 0);
- break;
- case '5':
- if (VERBOSE)
- fprintf(stderr, "Write 1 0 1\n");
- rbs_set_pins(1, 0, 1);
- break;
- case '6':
- if (VERBOSE)
- fprintf(stderr, "Write 1 1 0\n");
- rbs_set_pins(1, 1, 0);
- break;
- case '7':
- if (VERBOSE)
- fprintf(stderr, "Write 1 1 1\n");
- rbs_set_pins(1, 1, 1);
- break;
- case 'R':
- if (VERBOSE)
- fprintf(stderr, "Read req\n");
- dosend = 1;
- tosend = tdo ? '1' : '0';
- break;
- case 'Q':
- if (VERBOSE)
- fprintf(stderr, "Quit req\n");
- quit = 1;
- break;
- default:
- fprintf(stderr, "remote_bitbang got unsupported command '%c'\n",
- command);
- }
- if (dosend) {
- while (1) {
- ssize_t bytes = write(client_fd, &tosend, sizeof(tosend));
- if (bytes == -1) {
- fprintf(stderr, "failed to write to socket: %s (%d)\n",
- strerror(errno), errno);
- abort();
- }
- if (bytes > 0) {
- break;
- }
- }
- }
-
- if (quit) {
- fprintf(stderr, "Remote end disconnected\n");
- close(client_fd);
- client_fd = 0;
- }
-}
-
-unsigned char rbs_done()
-{
- return quit;
-}
-
-int rbs_exit_code()
-{
- return rbs_err;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-17 13:43:39 +0000