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

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.