Return to bootxx.c CVS log

Up to [Research Unix] / researchv9 / sys / boot / stand

Annotation of researchv9/sys/boot/stand/bootxx.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * @(#)bootxx.c 1.1 86/02/03 Copyright (c) 1985 by Sun Microsystems, Inc.
        !             3:  */
        !             4: 
        !             5: #include "saio.h"
        !             6: #include <a.out.h>
        !             7: #include "../h/vm.h"
        !             8: #include "../h/reboot.h"
        !             9: #include "../mon/sunromvec.h"
        !            10: 
        !            11: int (*readfile()) ();
        !            12: 
        !            13: /*
        !            14:  * Reads in the "real" boot program and jumps
        !            15:  * to it.  If this attempt fails, prints "boot failed" and returns to its
        !            16:  * caller.
        !            17:  */
        !            18: main()
        !            19: {
        !            20:        register struct bootparam *bp;
        !            21:        register char *s, c;
        !            22:        register int io;
        !            23:        int (*addr)();
        !            24: 
        !            25:        extern struct boottab *(devsw[]);
        !            26: 
        !            27:        if (romp->v_bootparam == 0)
        !            28:                bp = (struct bootparam *)0x2000;        /* Old Sun-1 address */
        !            29:        else
        !            30:                bp = *(romp->v_bootparam);              /* S-2: via romvec */
        !            31: 
        !            32:        /* If we were linked with a driver, use it in preference to PROM */
        !            33:        if (*devsw)
        !            34:                bp->bp_boottab = *devsw;
        !            35: 
        !            36:        s = bp->bp_argv[0];
        !            37:        while (*s && *s != ')') s++;
        !            38: 
        !            39:        c = *s; *s = '\0';
        !            40:        printf("Load: %s)boot\n", bp->bp_argv[0]);
        !            41:        *s = c;
        !            42: 
        !            43:        io = physopen(bp, "boot", 0);
        !            44: 
        !            45:        if (io >= 0) {
        !            46:                addr = readfile(io, 0);         /* Read silently */
        !            47:                if ((int)addr != -1)
        !            48:                        _exitto(addr);
        !            49:        }
        !            50:        printf("boot failed\n");
        !            51:        return;
        !            52: }

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.