int
bootxx(void *readsector, void *disklabel, int autoboot)
{
static osdsc_t os_desc;
extern char end[], edata[];
osdsc_t *od = &os_desc;
bxxx_t bootxxx = (bxxx_t)(LOADADDR3);
bzero(edata, end - edata);
setheap(end, (void*)(LOADADDR3 - 4));
printf("\033v\nNetBSD/atari secondary bootloader"
" ($Revision: 1.12 $)\n\n");
if (init_dskio(readsector, disklabel, -1))
return -1;
for (;;) {
od->rootfs = 0; /* partition a */
od->osname = "/netbsd";
od->ostype = &od->osname[1];
od->boothowto = (RB_RDONLY);
if (!autoboot) {
int pref;
od->boothowto = (RB_RDONLY|RB_SINGLE);
pref = usr_info(od);
if (pref < 0)
continue;
if (pref > 0)
return pref;
}
autoboot = 0; /* in case auto boot fails */
if (init_dskio(readsector, disklabel, od->rootfs))
continue;
if (load_booter(od))
continue;
(*bootxxx)(readsector, disklabel, od);
}
/* NOTREACHED */
}
int
bootxxx(void *readsector, void *disklabel, osdsc_t *od)
{
int fd;
char *errmsg;
extern char end[], edata[];
memset(edata, 0, end - edata);
/* XXX: Limit should be 16MB */
setheap(end, (void*)0x1000000);
printf("\033v\nNetBSD/Atari tertiary bootloader "
"($Revision: 1.8 $)\n\n");
if (init_dskio(readsector, disklabel, od->rootfs))
return -1;
sys_info(od);
if (!(od->cputype & ATARI_ANYCPU)) {
printf("Unknown CPU-type.\n");
return -2;
}
if ((fd = open(od->osname, 0)) < 0) {
printf("Cannot open kernel '%s'\n", od->osname);
return -3;
}
#ifndef __ELF__ /* a.out */
if (aout_load(fd, od, &errmsg, 1) != 0)
#else
if (elf_load(fd, od, &errmsg, 1) != 0)
#endif
return -4;
boot_BSD(&od->kp);
return -5;
/* NOTREACHED */
}
