--- /dev/null
+/*
+ * Milkymist SoC
+ * Copyright (C) 2007, 2008, 2009, 2010, 2011 Sebastien Bourdeauducq
+ * Copyright (C) 2011 Michael Walle
+ * Copyright (C) 2004 MontaVista Software, Inc
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#define _GNU_SOURCE
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <string.h>
+#include <ctype.h>
+#include <termios.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <poll.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <sfl.h>
+
+#define DEFAULT_KERNELADR (0x40000000)
+#define DEFAULT_CMDLINEADR (0x41000000)
+#define DEFAULT_INITRDADR (0x41002000)
+
+#define GDBBUFLEN 1000
+
+unsigned int crc16_table[256] = {
+ 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
+ 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF,
+ 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6,
+ 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE,
+ 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485,
+ 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D,
+ 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4,
+ 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC,
+ 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823,
+ 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B,
+ 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12,
+ 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A,
+ 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41,
+ 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49,
+ 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70,
+ 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78,
+ 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F,
+ 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067,
+ 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E,
+ 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256,
+ 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D,
+ 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
+ 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C,
+ 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634,
+ 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB,
+ 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3,
+ 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A,
+ 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92,
+ 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9,
+ 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1,
+ 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8,
+ 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0
+};
+
+static int debug = 0;
+
+static unsigned short crc16(const void *_buffer, int len)
+{
+ const unsigned char *buffer = (const unsigned char *)_buffer;
+ unsigned short crc;
+
+ crc = 0;
+ while(len-- > 0)
+ crc = crc16_table[((crc >> 8) ^ (*buffer++)) & 0xFF] ^ (crc << 8);
+
+ return crc;
+}
+
+static int write_exact(int fd, const char *data, unsigned int length)
+{
+ int r;
+
+ while(length > 0) {
+ r = write(fd, data, length);
+ if(r <= 0) return 0;
+ length -= r;
+ data += r;
+ }
+ return 1;
+}
+
+/* length, cmd and payload must be filled in */
+static int send_frame(int serialfd, struct sfl_frame *frame)
+{
+ unsigned short int crc;
+ int retry;
+ char reply;
+
+ crc = crc16(&frame->cmd, frame->length+1);
+ frame->crc[0] = (crc & 0xff00) >> 8;
+ frame->crc[1] = (crc & 0x00ff);
+
+ retry = 0;
+ do {
+ if(!write_exact(serialfd, (char *)frame, frame->length+4)) {
+ perror("[FLTERM] Unable to write to serial port.");
+ return 0;
+ }
+ /* Get the reply from the device */
+ read(serialfd, &reply, 1); /* TODO: timeout */
+ switch(reply) {
+ case SFL_ACK_SUCCESS:
+ retry = 0;
+ break;
+ case SFL_ACK_CRCERROR:
+ retry = 1;
+ break;
+ default:
+ fprintf(stderr, "[FLTERM] Got unknown reply '%c' from the device, aborting.\n", reply);
+ return 0;
+ }
+ } while(retry);
+ return 1;
+}
+
+static int upload_fd(int serialfd, const char *name, int firmwarefd, unsigned int load_address)
+{
+ struct sfl_frame frame;
+ int readbytes;
+ int length;
+ int position;
+ unsigned int current_address;
+ struct timeval t0;
+ struct timeval t1;
+ int millisecs;
+
+ length = lseek(firmwarefd, 0, SEEK_END);
+ lseek(firmwarefd, 0, SEEK_SET);
+
+ printf("[FLTERM] Uploading %s (%d bytes)...\n", name, length);
+
+ gettimeofday(&t0, NULL);
+
+ current_address = load_address;
+ position = 0;
+ while(1) {
+ printf("%d%%\r", 100*position/length);
+ fflush(stdout);
+
+ readbytes = read(firmwarefd, &frame.payload[4], sizeof(frame.payload) - 4);
+ if(readbytes < 0) {
+ perror("[FLTERM] Unable to read image.");
+ return -1;
+ }
+ if(readbytes == 0) break;
+
+ frame.length = readbytes+4;
+ frame.cmd = SFL_CMD_LOAD;
+ frame.payload[0] = (current_address & 0xff000000) >> 24;
+ frame.payload[1] = (current_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (current_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (current_address & 0x000000ff);
+
+ if(!send_frame(serialfd, &frame)) return -1;
+
+ current_address += readbytes;
+ position += readbytes;
+ }
+
+ gettimeofday(&t1, NULL);
+
+ millisecs = (t1.tv_sec - t0.tv_sec)*1000 + (t1.tv_usec - t0.tv_usec)/1000;
+
+ printf("[FLTERM] Upload complete (%.1fKB/s).\n", 1000.0*(double)length/((double)millisecs*1024.0));
+ return length;
+}
+
+static const char sfl_magic_req[SFL_MAGIC_LEN] = SFL_MAGIC_REQ;
+static const char sfl_magic_ack[SFL_MAGIC_LEN] = SFL_MAGIC_ACK;
+
+static void answer_magic(int serialfd,
+ const char *kernel_image, unsigned int kernel_address,
+ const char *cmdline, unsigned int cmdline_address,
+ const char *initrd_image, unsigned int initrd_address)
+{
+ int kernelfd, initrdfd;
+ struct sfl_frame frame;
+
+ printf("[FLTERM] Received firmware download request from the device.\n");
+
+ kernelfd = open(kernel_image, O_RDONLY);
+ if(kernelfd == -1) {
+ perror("[FLTERM] Unable to open kernel image (request ignored).");
+ return;
+ }
+ initrdfd = -1;
+ if(initrd_image != NULL) {
+ initrdfd = open(initrd_image, O_RDONLY);
+ if(initrdfd == -1) {
+ perror("[FLTERM] Unable to open initrd image (request ignored).");
+ close(kernelfd);
+ return;
+ }
+ }
+
+ write_exact(serialfd, sfl_magic_ack, SFL_MAGIC_LEN);
+
+ upload_fd(serialfd, "kernel", kernelfd, kernel_address);
+ if(cmdline != NULL) {
+ int len;
+
+ printf("[FLTERM] Setting kernel command line: '%s'.\n", cmdline);
+
+ len = strlen(cmdline)+1;
+ if(len > (254-4)) {
+ fprintf(stderr, "[FLTERM] Kernel command line too long, load aborted.\n");
+ close(initrdfd);
+ close(kernelfd);
+ return;
+ }
+ frame.length = len+4;
+ frame.cmd = SFL_CMD_LOAD;
+ frame.payload[0] = (cmdline_address & 0xff000000) >> 24;
+ frame.payload[1] = (cmdline_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (cmdline_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (cmdline_address & 0x000000ff);
+ strcpy((char *)&frame.payload[4], cmdline);
+ send_frame(serialfd, &frame);
+
+ frame.length = 4;
+ frame.cmd = SFL_CMD_CMDLINE;
+ frame.payload[0] = (cmdline_address & 0xff000000) >> 24;
+ frame.payload[1] = (cmdline_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (cmdline_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (cmdline_address & 0x000000ff);
+ send_frame(serialfd, &frame);
+ }
+ if(initrdfd != -1) {
+ int len;
+
+ len = upload_fd(serialfd, "initrd", initrdfd, initrd_address);
+ if(len <= 0) return;
+
+ frame.length = 4;
+ frame.cmd = SFL_CMD_INITRDSTART;
+ frame.payload[0] = (initrd_address & 0xff000000) >> 24;
+ frame.payload[1] = (initrd_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (initrd_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (initrd_address & 0x000000ff);
+ send_frame(serialfd, &frame);
+
+ initrd_address += len-1;
+
+ frame.length = 4;
+ frame.cmd = SFL_CMD_INITRDEND;
+ frame.payload[0] = (initrd_address & 0xff000000) >> 24;
+ frame.payload[1] = (initrd_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (initrd_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (initrd_address & 0x000000ff);
+ send_frame(serialfd, &frame);
+ }
+
+ /* Send the jump command */
+ printf("[FLTERM] Booting the device.\n");
+ frame.length = 4;
+ frame.cmd = SFL_CMD_JUMP;
+ frame.payload[0] = (kernel_address & 0xff000000) >> 24;
+ frame.payload[1] = (kernel_address & 0x00ff0000) >> 16;
+ frame.payload[2] = (kernel_address & 0x0000ff00) >> 8;
+ frame.payload[3] = (kernel_address & 0x000000ff);
+ if(!send_frame(serialfd, &frame)) return;
+
+ printf("[FLTERM] Done.\n");
+
+ close(initrdfd);
+ close(kernelfd);
+}
+
+static int hex(unsigned char c)
+{
+ if(c >= 'a' && c <= 'f') {
+ return c - 'a' + 10;
+ }
+ if(c >= '0' && c <= '9') {
+ return c - '0';
+ }
+ if(c >= 'A' && c <= 'F') {
+ return c - 'A' + 10;
+ }
+ return 0;
+}
+
+/*
+ * This is taken from kdmx2.
+ * Author: Tom Rini <trini@mvista.com>
+ */
+static void gdb_process_packet(int infd, int outfd, int altfd)
+{
+ /* gdb packet handling */
+ char gdbbuf[GDBBUFLEN + 1];
+ int pos = 0;
+ unsigned char runcksum = 0;
+ unsigned char recvcksum = 0;
+ struct pollfd fds;
+ char c;
+ int seen_hash = 0;
+
+ fds.fd = infd;
+ fds.events = POLLIN;
+
+ memset(gdbbuf, 0, sizeof(gdbbuf));
+ gdbbuf[0] = '$';
+ pos++;
+
+ while (1) {
+ fds.revents = 0;
+ if(poll(&fds, 1, 100) == 0) {
+ /* timeout */
+ if(altfd != -1) {
+ write(altfd, gdbbuf, pos);
+ }
+ break;
+ }
+ if(pos == GDBBUFLEN) {
+ if(altfd != -1) {
+ write(altfd, gdbbuf, pos);
+ }
+ break;
+ }
+ read(infd, &c, 1);
+ gdbbuf[pos++] = c;
+ if(c == '#') {
+ seen_hash = 1;
+ } else if(seen_hash == 0) {
+ runcksum += c;
+ } else if(seen_hash == 1) {
+ recvcksum = hex(c) << 4;
+ seen_hash = 2;
+ } else if(seen_hash == 2) {
+ recvcksum |= hex(c);
+ seen_hash = 3;
+ }
+
+ if(seen_hash == 3) {
+ /* we're done */
+ runcksum %= 256;
+ if(recvcksum == runcksum) {
+ if(debug) {
+ fprintf(stderr, "[GDB %s]\n", gdbbuf);
+ }
+ write(outfd, gdbbuf, pos);
+ } else {
+ if(altfd != -1) {
+ write(altfd, gdbbuf, pos);
+ }
+ }
+ seen_hash = 0;
+ break;
+ }
+ }
+}
+
+static void do_terminal(char *serial_port,
+ int doublerate, int gdb_passthrough,
+ const char *kernel_image, unsigned int kernel_address,
+ const char *cmdline, unsigned int cmdline_address,
+ const char *initrd_image, unsigned int initrd_address,
+ char *log_path)
+{
+ int serialfd;
+ int gdbfd = -1;
+ FILE *logfd = NULL;
+ struct termios my_termios;
+ char c;
+ int recognized;
+ struct pollfd fds[3];
+ int flags;
+ int rsp_pending = 0;
+
+ /* Open and configure the serial port */
+ if(log_path != NULL) {
+ logfd = fopen(log_path, "a+");
+ if(logfd == NULL) {
+ perror("Unable to open log file");
+ return;
+ }
+ }
+
+ serialfd = open(serial_port, O_RDWR|O_NOCTTY);
+ if(serialfd == -1) {
+ perror("Unable to open serial port");
+ return;
+ }
+
+ /* Thanks to Julien Schmitt (GTKTerm) for figuring out the correct parameters
+ * to put into that weird struct.
+ */
+ tcgetattr(serialfd, &my_termios);
+ my_termios.c_cflag = doublerate ? B230400 : B115200;
+ my_termios.c_cflag |= CS8;
+ my_termios.c_cflag |= CREAD;
+ my_termios.c_iflag = IGNPAR | IGNBRK;
+ my_termios.c_cflag |= CLOCAL;
+ my_termios.c_oflag = 0;
+ my_termios.c_lflag = 0;
+ my_termios.c_cc[VTIME] = 0;
+ my_termios.c_cc[VMIN] = 1;
+ tcsetattr(serialfd, TCSANOW, &my_termios);
+ tcflush(serialfd, TCOFLUSH);
+ tcflush(serialfd, TCIFLUSH);
+
+ /* Prepare the fdset for poll() */
+ fds[0].fd = 0;
+ fds[0].events = POLLIN;
+ fds[1].fd = serialfd;
+ fds[1].events = POLLIN;
+
+ recognized = 0;
+ flags = fcntl(serialfd, F_GETFL, 0);
+ while(1) {
+ if(gdbfd == -1 && gdb_passthrough) {
+ gdbfd = open("/dev/ptmx", O_RDWR);
+ if(grantpt(gdbfd) != 0) {
+ perror("grantpt()");
+ return;
+ }
+ if(unlockpt(gdbfd) != 0) {
+ perror("unlockpt()");
+ return;
+ }
+ printf("[GDB passthrough] use %s as GDB remote device\n",
+ ptsname(gdbfd));
+ fds[2].fd = gdbfd;
+ fds[2].events = POLLIN;
+ }
+
+ fds[0].revents = 0;
+ fds[1].revents = 0;
+ fds[2].revents = 0;
+
+ /* poll() behaves strangely when the serial port descriptor is in
+ * blocking mode. So work around this.
+ */
+ fcntl(serialfd, F_SETFL, flags|O_NONBLOCK);
+ if(poll(&fds[0], (gdbfd == -1) ? 2 : 3, -1) < 0) break;
+ fcntl(serialfd, F_SETFL, flags);
+
+ if(fds[0].revents & POLLIN) {
+ if(read(0, &c, 1) <= 0) break;
+ if(write(serialfd, &c, 1) <= 0) break;
+ }
+
+ if(fds[2].revents & POLLIN) {
+ rsp_pending = 1;
+ if(read(gdbfd, &c, 1) <= 0) break;
+ if(c == '\03') {
+ /* convert ETX to breaks */
+ if(debug) {
+ fprintf(stderr, "[GDB BREAK]\n");
+ }
+ tcsendbreak(serialfd, 0);
+ } else if(c == '$') {
+ gdb_process_packet(gdbfd, serialfd, -1);
+ } else if(c == '+' || c == '-') {
+ write(serialfd, &c, 1);
+ } else {
+ fprintf(stderr, "Internal error (line %d)", __LINE__);
+ exit(1);
+ }
+ }
+
+ if(fds[2].revents & POLLHUP) {
+ /* close and reopen new pair */
+ close(gdbfd);
+ gdbfd = -1;
+ continue;
+ }
+
+ if(fds[1].revents & POLLIN) {
+ if(read(serialfd, &c, 1) <= 0) break;
+
+ if(logfd && c && isascii(c)) {
+ fwrite(&c, sizeof(c), 1, logfd);
+ if(c == '\n') fflush(logfd);
+ }
+
+ if(gdbfd != -1 && rsp_pending && (c == '+' || c == '-')) {
+ rsp_pending = 0;
+ write(gdbfd, &c, 1);
+ } else if(gdbfd != -1 && c == '$') {
+ gdb_process_packet(serialfd, gdbfd, 0);
+ } else {
+ /* write to terminal */
+ write(0, &c, 1);
+
+ if(kernel_image != NULL) {
+ if(c == sfl_magic_req[recognized]) {
+ recognized++;
+ if(recognized == SFL_MAGIC_LEN) {
+ /* We've got the magic string ! */
+ recognized = 0;
+ answer_magic(serialfd,
+ kernel_image, kernel_address,
+ cmdline, cmdline_address,
+ initrd_image, initrd_address);
+ }
+ } else {
+ if(c == sfl_magic_req[0]) recognized = 1; else recognized = 0;
+ }
+ }
+ }
+ }
+ }
+
+ close(serialfd);
+
+ if(gdbfd != -1) close(gdbfd);
+ if(logfd) fclose(logfd);
+}
+
+enum {
+ OPTION_PORT,
+ OPTION_GDB_PASSTHROUGH,
+ OPTION_DOUBLERATE,
+ OPTION_DEBUG,
+ OPTION_KERNEL,
+ OPTION_KERNELADR,
+ OPTION_CMDLINE,
+ OPTION_CMDLINEADR,
+ OPTION_INITRD,
+ OPTION_INITRDADR,
+ OPTION_LOG
+};
+
+static const struct option options[] = {
+ {
+ .name = "port",
+ .has_arg = 1,
+ .val = OPTION_PORT
+ },
+ {
+ .name = "gdb-passthrough",
+ .has_arg = 0,
+ .val = OPTION_GDB_PASSTHROUGH
+ },
+ {
+ .name = "debug",
+ .has_arg = 0,
+ .val = OPTION_DEBUG
+ },
+ {
+ .name = "double-rate",
+ .has_arg = 0,
+ .val = OPTION_DOUBLERATE
+ },
+ {
+ .name = "kernel",
+ .has_arg = 1,
+ .val = OPTION_KERNEL
+ },
+ {
+ .name = "kernel-adr",
+ .has_arg = 1,
+ .val = OPTION_KERNELADR
+ },
+ {
+ .name = "cmdline",
+ .has_arg = 1,
+ .val = OPTION_CMDLINE
+ },
+ {
+ .name = "cmdline-adr",
+ .has_arg = 1,
+ .val = OPTION_CMDLINEADR
+ },
+ {
+ .name = "initrd",
+ .has_arg = 1,
+ .val = OPTION_INITRD
+ },
+ {
+ .name = "initrd-adr",
+ .has_arg = 1,
+ .val = OPTION_INITRDADR
+ },
+ {
+ .name = "log",
+ .has_arg = 1,
+ .val = OPTION_LOG
+ },
+ {
+ .name = NULL
+ }
+};
+
+static void print_usage()
+{
+ fprintf(stderr, "Serial boot program for Milkymist SoC - v. 2.2\n");
+ fprintf(stderr, "Copyright (C) 2007, 2008, 2009, 2010, 2011 Sebastien Bourdeauducq\n");
+ fprintf(stderr, "Copyright (C) 2011 Michael Walle\n");
+ fprintf(stderr, "Copyright (C) 2004 MontaVista Software, Inc\n\n");
+
+ fprintf(stderr, "This program is free software: you can redistribute it and/or modify\n");
+ fprintf(stderr, "it under the terms of the GNU General Public License as published by\n");
+ fprintf(stderr, "the Free Software Foundation, version 3 of the License.\n\n");
+
+ fprintf(stderr, "Usage: flterm --port <port>\n");
+ fprintf(stderr, " [--double-rate] [--gdb-passthrough] [--debug]\n");
+ fprintf(stderr, " [--kernel <kernel_image> [--kernel-adr <address>]]\n");
+ fprintf(stderr, " [--cmdline <cmdline> [--cmdline-adr <address>]]\n");
+ fprintf(stderr, " [--initrd <initrd_image> [--initrd-adr <address>]]\n");
+ fprintf(stderr, " [--log <log_file>]\n\n");
+ fprintf(stderr, "Default load addresses:\n");
+ fprintf(stderr, " kernel: 0x%08x\n", DEFAULT_KERNELADR);
+ fprintf(stderr, " cmdline: 0x%08x\n", DEFAULT_CMDLINEADR);
+ fprintf(stderr, " initrd: 0x%08x\n", DEFAULT_INITRDADR);
+}
+
+int main(int argc, char *argv[])
+{
+ int opt;
+ char *serial_port;
+ int doublerate;
+ int gdb_passthrough;
+ char *kernel_image;
+ unsigned int kernel_address;
+ char *cmdline;
+ unsigned int cmdline_address;
+ char *initrd_image;
+ unsigned int initrd_address;
+ char *endptr;
+ char *log_path;
+ struct termios otty, ntty;
+
+ /* Fetch command line arguments */
+ serial_port = NULL;
+ doublerate = 0;
+ gdb_passthrough = 0;
+ kernel_image = NULL;
+ kernel_address = DEFAULT_KERNELADR;
+ cmdline = NULL;
+ cmdline_address = DEFAULT_CMDLINEADR;
+ initrd_image = NULL;
+ initrd_address = DEFAULT_INITRDADR;
+ log_path = NULL;
+ while((opt = getopt_long(argc, argv, "", options, NULL)) != -1) {
+ if(opt == '?') {
+ print_usage();
+ return 1;
+ }
+ switch(opt) {
+ case OPTION_PORT:
+ free(serial_port);
+ serial_port = strdup(optarg);
+ break;
+ case OPTION_DOUBLERATE:
+ doublerate = 1;
+ break;
+ case OPTION_DEBUG:
+ debug = 1;
+ break;
+ case OPTION_GDB_PASSTHROUGH:
+ gdb_passthrough = 1;
+ break;
+ case OPTION_KERNEL:
+ free(kernel_image);
+ kernel_image = strdup(optarg);
+ break;
+ case OPTION_KERNELADR:
+ kernel_address = strtoul(optarg, &endptr, 0);
+ if(*endptr != 0) kernel_address = 0;
+ break;
+ case OPTION_CMDLINE:
+ free(cmdline);
+ cmdline = strdup(optarg);
+ break;
+ case OPTION_CMDLINEADR:
+ cmdline_address = strtoul(optarg, &endptr, 0);
+ if(*endptr != 0) cmdline_address = 0;
+ break;
+ case OPTION_INITRD:
+ free(initrd_image);
+ initrd_image = strdup(optarg);
+ break;
+ case OPTION_INITRDADR:
+ initrd_address = strtoul(optarg, &endptr, 0);
+ if(*endptr != 0) initrd_address = 0;
+ break;
+ case OPTION_LOG:
+ free(log_path);
+ log_path = strdup(optarg);
+ break;
+ }
+ }
+
+ if(serial_port == NULL) {
+ print_usage();
+ return 1;
+ }
+
+ /* Banner */
+ printf("[FLTERM] Starting...\n");
+
+ /* Set up stdin/out */
+ tcgetattr(0, &otty);
+ ntty = otty;
+ ntty.c_lflag &= ~(ECHO | ICANON);
+ tcsetattr(0, TCSANOW, &ntty);
+
+ /* Do the bulk of the work */
+ do_terminal(serial_port, doublerate, gdb_passthrough,
+ kernel_image, kernel_address,
+ cmdline, cmdline_address,
+ initrd_image, initrd_address,
+ log_path);
+
+ /* Restore stdin/out into their previous state */
+ tcsetattr(0, TCSANOW, &otty);
+
+ return 0;
+}
--- /dev/null
+/*
+ * CRC32 computation tool and Milkymist image file writer
+ * (c) 2009, 2010, Sebastien Bourdeauducq
+ * Released under GNU GPL v3
+ * This file is part of Milkymist.
+ */
+
+/* crc32.c -- compute the CRC-32 of a data stream
+ * Copyright (C) 1995-1998 Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+const unsigned int crc_table[256] = {
+ 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+ 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+ 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+ 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+ 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+ 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+ 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+ 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+ 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+ 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+ 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+ 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+ 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+ 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+ 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+ 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+ 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+ 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+ 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+ 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+ 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+ 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+ 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+ 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+ 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+ 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+ 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+ 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+ 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+ 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+ 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+ 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+ 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+ 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+ 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+ 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+ 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+ 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+ 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+ 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+ 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+ 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+ 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+ 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+ 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+ 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+ 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+ 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+ 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+ 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+ 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+ 0x2d02ef8dL
+};
+
+#define DO1(buf) crc = crc_table[((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8);
+#define DO2(buf) DO1(buf); DO1(buf);
+#define DO4(buf) DO2(buf); DO2(buf);
+#define DO8(buf) DO4(buf); DO4(buf);
+
+static unsigned int crc32(const unsigned char *buffer, unsigned int len)
+{
+ unsigned int crc;
+ crc = 0;
+ crc = crc ^ 0xffffffffL;
+ while(len >= 8) {
+ DO8(buffer);
+ len -= 8;
+ }
+ if(len) do {
+ DO1(buffer);
+ } while(--len);
+ return crc ^ 0xffffffffL;
+}
+
+int main(int argc, char *argv[])
+{
+ int fd, fd_out;
+ unsigned char *buffer;
+ unsigned int length;
+ unsigned int crc;
+
+ if(((argc != 2) && (argc != 3) && (argc != 4))
+ || ((argc > 2) && (strcmp(argv[2], "write") && (strcmp(argv[2], "writelzma"))))) {
+ fprintf(stderr, "Usage: mkmmimg <filename> [write[lzma]] [dest]\n");
+ return 1;
+ }
+
+ fd = open(argv[1], O_RDONLY);
+ if(fd == -1) {
+ perror("open");
+ return 1;
+ }
+
+ length = lseek(fd, 0, SEEK_END);
+ lseek(fd, 0, SEEK_SET);
+
+ buffer = mmap(NULL, length, PROT_READ, MAP_SHARED, fd, 0);
+ if(!buffer) {
+ perror("mmap");
+ close(fd);
+ return 1;
+ }
+ crc = crc32(buffer, length);
+ printf("CRC32 (%s): %08x\n", argv[1], crc);
+
+ if(argc == 3) {
+ /* Write the CRC32 in big endian at the end of the file */
+ char b[4];
+
+ fd_out = open(argv[1], O_WRONLY|O_APPEND);
+ if(fd_out == -1) {
+ perror("open");
+ return 1;
+ }
+ b[0] = (crc & 0xff000000) >> 24;
+ b[1] = (crc & 0x00ff0000) >> 16;
+ b[2] = (crc & 0x0000ff00) >> 8;
+ b[3] = (crc & 0x000000ff) >> 0;
+ write(fd_out, &b[0], 4);
+ close(fd_out);
+ }
+
+ if(argc == 4) {
+ /* Write a new file prepended with the size and CRC */
+ char b[4];
+
+ fd_out = open(argv[3], O_WRONLY|O_CREAT|O_TRUNC, S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH);
+ if(fd_out == -1) {
+ perror("open");
+ return 1;
+ }
+ b[0] = (length & 0xff000000) >> 24;
+ b[1] = (length & 0x00ff0000) >> 16;
+ b[2] = (length & 0x0000ff00) >> 8;
+ b[3] = (length & 0x000000ff) >> 0;
+ if(strcmp(argv[2], "writelzma") == 0)
+ b[0] |= 0x80;
+ write(fd_out, &b[0], 4);
+ b[0] = (crc & 0xff000000) >> 24;
+ b[1] = (crc & 0x00ff0000) >> 16;
+ b[2] = (crc & 0x0000ff00) >> 8;
+ b[3] = (crc & 0x000000ff) >> 0;
+ write(fd_out, &b[0], 4);
+ write(fd_out, buffer, length);
+ close(fd_out);
+ }
+
+ munmap(buffer, length);
+ close(fd);
+
+ return 0;
+}
projects / litex.git / commitdiff