1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * (C) Copyright 2000 4 * Murray Jensen <Murray.Jensen@csiro.au> 5 */ 6 7 #include <stdio.h> 8 #include <stdlib.h> 9 #include <string.h> 10 #include <fcntl.h> 11 #include <unistd.h> 12 #include <sys/types.h> 13 #include <sys/stat.h> 14 #include "serial.h" 15 #include "error.h" 16 #include "remote.h" 17 18 char *serialdev = "/dev/term/b"; 19 speed_t speed = B230400; 20 int verbose = 0, docont = 0; 21 unsigned long addr = 0x10000UL; 22 23 int 24 main(int ac, char **av) 25 { 26 int c, sfd, ifd; 27 char *ifn, *image; 28 struct stat ist; 29 30 if ((pname = strrchr(av[0], '/')) == NULL) 31 pname = av[0]; 32 else 33 pname++; 34 35 while ((c = getopt(ac, av, "a:b:cp:v")) != EOF) 36 switch (c) { 37 38 case 'a': { 39 char *ep; 40 41 addr = strtol(optarg, &ep, 0); 42 if (ep == optarg || *ep != '\0') 43 Error("can't decode address specified in -a option"); 44 break; 45 } 46 47 case 'b': 48 if ((speed = cvtspeed(optarg)) == B0) 49 Error("can't decode baud rate specified in -b option"); 50 break; 51 52 case 'c': 53 docont = 1; 54 break; 55 56 case 'p': 57 serialdev = optarg; 58 break; 59 60 case 'v': 61 verbose = 1; 62 break; 63 64 default: 65 usage: 66 fprintf(stderr, 67 "Usage: %s [-a addr] [-b bps] [-c] [-p dev] [-v] imagefile\n", 68 pname); 69 exit(1); 70 } 71 72 if (optind != ac - 1) 73 goto usage; 74 ifn = av[optind++]; 75 76 if (verbose) 77 fprintf(stderr, "Opening file and reading image...\n"); 78 79 if ((ifd = open(ifn, O_RDONLY)) < 0) 80 Perror("can't open kernel image file '%s'", ifn); 81 82 if (fstat(ifd, &ist) < 0) 83 Perror("fstat '%s' failed", ifn); 84 85 if ((image = (char *)malloc(ist.st_size)) == NULL) 86 Perror("can't allocate %ld bytes for image", ist.st_size); 87 88 if ((c = read(ifd, image, ist.st_size)) < 0) 89 Perror("read of %d bytes from '%s' failed", ist.st_size, ifn); 90 91 if (c != ist.st_size) 92 Error("read of %ld bytes from '%s' failed (%d)", ist.st_size, ifn, c); 93 94 if (close(ifd) < 0) 95 Perror("close of '%s' failed", ifn); 96 97 if (verbose) 98 fprintf(stderr, "Opening serial port and sending image...\n"); 99 100 if ((sfd = serialopen(serialdev, speed)) < 0) 101 Perror("open of serial device '%s' failed", serialdev); 102 103 remote_desc = sfd; 104 remote_reset(); 105 remote_write_bytes(addr, image, ist.st_size); 106 107 if (docont) { 108 if (verbose) 109 fprintf(stderr, "[continue]"); 110 remote_continue(); 111 } 112 113 if (serialclose(sfd) < 0) 114 Perror("close of serial device '%s' failed", serialdev); 115 116 if (verbose) 117 fprintf(stderr, "Done.\n"); 118 119 return (0); 120 } 121