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Annotation of 43BSD/contrib/np100/npload.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1986 MICOM-Interlan, Inc., Boxborough Mass.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  *
        !             6:  */
        !             7: #ifndef lint
        !             8: char copyright[] =
        !             9: "@(#) Copyright (c) 1986 MICOM-Interlan, Inc., Boxborough Mass.\n\
        !            10:  All rights reserved.\n";
        !            11: #endif not lint
        !            12: 
        !            13: #ifndef lint
        !            14: static char sccsid[] = "@(#)npload.c   6.2 (Berkeley) 2/20/86";
        !            15: #endif not lint
        !            16: 
        !            17: #include <stdio.h>
        !            18: #include <fcntl.h>
        !            19: #include "npcmd.h"
        !            20: #include <sys/ioctl.h>
        !            21: 
        !            22: extern int errno;
        !            23: 
        !            24: main(argc,argv)
        !            25: int argc;
        !            26: char **argv;
        !            27: {
        !            28: 
        !            29:        int     ret;
        !            30:        int     ed;
        !            31:        int     fd;
        !            32:        int     nbyte;
        !            33:        char    *fname;
        !            34:        char    ibuf[1024];
        !            35:        char    obuf[1024];
        !            36:        long    stadd = 0x400;
        !            37:        char    *devname = "/dev/np00";
        !            38: 
        !            39:        switch (argc) {
        !            40:        case 3:
        !            41:                /* Pathname for device to be loaded */
        !            42:                devname = argv[2];
        !            43:        case 2:
        !            44:                /* Name of the image file to be loaded */
        !            45:                fname = argv[1];
        !            46:                break;
        !            47:        default:
        !            48:                printf("usage: npload imagefile [device]\n");
        !            49:                exit(1);
        !            50:        }
        !            51:        /* Open the device to be loaded */
        !            52: 
        !            53:        if((ed = open(devname,O_RDWR)) == -1) {
        !            54:                char fullpath[50];
        !            55:                (void) sprintf(fullpath, "/dev/%s", devname);
        !            56:                if((ed = open(devname,O_RDWR)) == -1) {
        !            57:                        fprintf(stderr,
        !            58:                                "%s unable to open device %s errno = %d\n",
        !            59:                                argv[0], devname, errno);
        !            60:                        exit(2);
        !            61:                }
        !            62:        }
        !            63:        
        !            64:        /* Open the image file */
        !            65: 
        !            66:        if((fd = open(fname,O_RDONLY)) == -1) {
        !            67:                fprintf(stderr,"%s: unable to open file %s errno = %d\n",
        !            68:                    argv[0],fname,errno);
        !            69:                exit(3);
        !            70:        }
        !            71: 
        !            72:        /* Reset the specified device */
        !            73: 
        !            74:        if(ioctl(ed,NPRESET | IOC_VOID,&stadd) == -1) {
        !            75:                fprintf(stderr,"unable to reset %s errno = %d\n",devname,errno);
        !            76:                exit(4);
        !            77:        }
        !            78: 
        !            79:        /* Seek to address 400 on the device */
        !            80: 
        !            81:        if(lseek(ed,(long)0x400,0) == -1) {
        !            82:                fprintf(stderr,"seek failed on %s errno = %d.\n",devname,errno);
        !            83:                exit(5);        
        !            84:        }
        !            85: 
        !            86:        /* Seek to address 400 on the image file */
        !            87: 
        !            88:        if(lseek(fd,(long)0x400,0) == -1) {
        !            89:                fprintf(stderr,"seek failed on %s errno = %d.\n",fname,errno);
        !            90:                exit(6);        
        !            91:        }
        !            92: 
        !            93:        /* Read from the image file and write to the device */
        !            94:        
        !            95:        while((nbyte = read(fd,ibuf,1024)) > 0) { 
        !            96:                
        !            97:                if((ret = write(ed,ibuf,nbyte)) == -1) {
        !            98:                        fprintf(stderr,"Bad write to %s errno = %d\n",
        !            99:                            argv[0],errno);
        !           100:                        exit(7);
        !           101:                }
        !           102:        }
        !           103: 
        !           104:        /* Issue a begin execution command to the device */
        !           105: 
        !           106:        if(ioctl(ed,NPSTART | IOC_VOID,&stadd) == -1) {
        !           107:                fprintf(stderr,"Start error on %s errno = %d.\n",devname,errno);
        !           108:                exit(8);
        !           109:        }
        !           110: 
        !           111:        close(fd);
        !           112:        close(ed);
        !           113: 
        !           114:        exit(0);
        !           115: }

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