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Diffstat (limited to 'tools/misc/miniterm/miniterm.c')
| -rw-r--r-- | tools/misc/miniterm/miniterm.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/tools/misc/miniterm/miniterm.c b/tools/misc/miniterm/miniterm.c deleted file mode 100644 index 3f8043da0b..0000000000 --- a/tools/misc/miniterm/miniterm.c +++ /dev/null @@ -1,195 +0,0 @@ -/****************************************************************************** - * miniterm.c - * - * Adapted from the example program distributed with the Linux Programmer's - * Guide (LPG). This has been robustified and tweaked to work as a debugging - * terminal for Xen-based machines. - * - * Modifications are released under GPL and copyright (c) 2003, K A Fraser - * The original copyright message and license is fully intact below. - */ - -/* - * AUTHOR: Sven Goldt (goldt@math.tu-berlin.de) - * - * 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; either version 2 - * of the License, or (at your option) any later version. - * - * 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. - * - */ - -#include <termios.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <signal.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <string.h> - -#define DEFAULT_BAUDRATE 115200 -#define DEFAULT_SERDEVICE "/dev/ttyS0" -#define ENDMINITERM 0x1d - -volatile int stop = 0; - -void child_handler(int s) -{ - stop = 1; -} - -int cook_baud(int baud) -{ - int cooked_baud = 0; - switch ( baud ) - { - case 50: cooked_baud = B50; break; - case 75: cooked_baud = B75; break; - case 110: cooked_baud = B110; break; - case 134: cooked_baud = B134; break; - case 150: cooked_baud = B150; break; - case 200: cooked_baud = B200; break; - case 300: cooked_baud = B300; break; - case 600: cooked_baud = B600; break; - case 1200: cooked_baud = B1200; break; - case 1800: cooked_baud = B1800; break; - case 2400: cooked_baud = B2400; break; - case 4800: cooked_baud = B4800; break; - case 9600: cooked_baud = B9600; break; - case 19200: cooked_baud = B19200; break; - case 38400: cooked_baud = B38400; break; - case 57600: cooked_baud = B57600; break; - case 115200: cooked_baud = B115200; break; - } - return cooked_baud; -} - -int main(int argc, char **argv) -{ - int fd, c, cooked_baud = cook_baud(DEFAULT_BAUDRATE); - char *sername = DEFAULT_SERDEVICE; - struct termios oldsertio, newsertio, oldstdtio, newstdtio; - struct sigaction sa; - static char start_str[] = - "************ REMOTE CONSOLE: CTRL-] TO QUIT ********\r\n"; - static char end_str[] = - "\n************ REMOTE CONSOLE EXITED *****************\n"; - - while ( --argc != 0 ) - { - char *p = argv[argc]; - if ( *p++ != '-' ) - goto usage; - if ( *p == 'b' ) - { - p++; - if ( (cooked_baud = cook_baud(atoi(p))) == 0 ) - { - fprintf(stderr, "Bad baud rate '%d'\n", atoi(p)); - goto usage; - } - } - else if ( *p == 'd' ) - { - sername = ++p; - if ( *sername == '\0' ) - goto usage; - } - else - goto usage; - } - - /* Not a controlling tty: CTRL-C shouldn't kill us. */ - fd = open(sername, O_RDWR | O_NOCTTY); - if ( fd < 0 ) - { - perror(sername); - exit(-1); - } - - tcgetattr(fd, &oldsertio); /* save current modem settings */ - - /* - * 8 data, no parity, 1 stop bit. Ignore modem control lines. Enable - * receive. Set appropriate baud rate. NO HARDWARE FLOW CONTROL! - */ - newsertio.c_cflag = cooked_baud | CS8 | CLOCAL | CREAD; - - /* Raw input. Ignore errors and breaks. */ - newsertio.c_iflag = IGNBRK | IGNPAR; - - /* Raw output. */ - newsertio.c_oflag = OPOST; - - /* No echo and no signals. */ - newsertio.c_lflag = 0; - - /* blocking read until 1 char arrives */ - newsertio.c_cc[VMIN]=1; - newsertio.c_cc[VTIME]=0; - - /* now clean the modem line and activate the settings for modem */ - tcflush(fd, TCIFLUSH); - tcsetattr(fd,TCSANOW,&newsertio); - - /* next stop echo and buffering for stdin */ - tcgetattr(0,&oldstdtio); - tcgetattr(0,&newstdtio); /* get working stdtio */ - newstdtio.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON); - newstdtio.c_oflag &= ~OPOST; - newstdtio.c_cflag &= ~(CSIZE | PARENB); - newstdtio.c_cflag |= CS8; - newstdtio.c_lflag &= ~(ECHO | ICANON | IEXTEN | ISIG); - newstdtio.c_cc[VMIN]=1; - newstdtio.c_cc[VTIME]=0; - tcsetattr(0,TCSANOW,&newstdtio); - - /* Terminal settings done: now enter the main I/O loops. */ - switch ( fork() ) - { - case 0: - close(1); /* stdout not needed */ - for ( c = (char)getchar(); c != ENDMINITERM; c = (char)getchar() ) - write(fd,&c,1); - tcsetattr(fd,TCSANOW,&oldsertio); - tcsetattr(0,TCSANOW,&oldstdtio); - close(fd); - exit(0); /* will send a SIGCHLD to the parent */ - break; - case -1: - perror("fork"); - tcsetattr(fd,TCSANOW,&oldsertio); - close(fd); - exit(-1); - default: - write(1, start_str, strlen(start_str)); - close(0); /* stdin not needed */ - sa.sa_handler = child_handler; - sa.sa_flags = 0; - sigaction(SIGCHLD,&sa,NULL); /* handle dying child */ - while ( !stop ) - { - read(fd,&c,1); /* modem */ - c = (char)c; - write(1,&c,1); /* stdout */ - } - wait(NULL); /* wait for child to die or it will become a zombie */ - write(1, end_str, strlen(end_str)); - break; - } - - return 0; - - usage: - printf("miniterm [-b<baudrate>] [-d<devicename>]\n"); - printf("Default baud rate: %d\n", DEFAULT_BAUDRATE); - printf("Default device: %s\n", DEFAULT_SERDEVICE); - return 1; -} |