root/sys/arch/sun68k/stand/libsa/promboot.c
/*      $NetBSD: promboot.c,v 1.4 2005/12/11 12:19:29 christos Exp $    */


#include <sys/param.h>
#include <sys/reboot.h>

#include <machine/mon.h>

#include "stand.h"
#include "libsa.h"

#ifdef DEBUG
int     debug = 0;
#endif /* DEBUG */
int     prom_boothow;
char *  prom_bootfile;
char    prom_bootdev[32];

/*
 * Get useful info from the PROM bootparams struct, i.e.:
 * arg[0] = sd(0,0,0)netbsd
 * arg[1] = -sa
 */

void 
prom_get_boot_info(void)
{
        struct bootparam *bp;
        char    c, *src, *dst;

#ifdef  DEBUG
        printf("prom_get_boot_info\n");
#endif

        bp = *romVectorPtr->bootParam;

        /* Get device and file names. */
        src = bp->argPtr[0];
        dst = prom_bootdev;
        *dst++ = *src++;
        *dst++ = *src++;
        if (*src == '(') {
                while (*src) {
                        c = *src++;
                        *dst++ = c;
                        if (c == ')')
                                break;
                }
                *dst = '\0';
        }
        prom_bootfile = src;

        /* Get boothowto flags. */
        src = bp->argPtr[1];
        if (src && (*src == '-')) {
                while (*src) {
                        switch (*src++) {
                        case 'a':
                                prom_boothow |= RB_ASKNAME;
                                break;
                        case 's':
                                prom_boothow |= RB_SINGLE;
                                break;
                        case 'd':
                                prom_boothow |= RB_KDB;
#ifdef DEBUG
                                debug++;
#endif /* DEBUG */
                                break;
                        }
                }
        }

#ifdef DEBUG
        if (debug) {
                printf("Debug level %d - enter c to continue...", debug);
                /* This will print "\nAbort at ...\n" */
                breakpoint();
        }
#endif /* DEBUG */
}