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 */
}
void load(ihandle_t dev)
{
/* Invoke the loaders on the specified device */
char *param;
ucell valid;
#ifdef CONFIG_LOADER_ELF
/* Grab the boot arguments */
push_str("bootargs");
push_str("/chosen");
fword("(find-dev)");
POP();
fword("get-package-property");
POP();
param = pop_fstr_copy();
elf_load(&sys_info, dev, param, &elf_boot_notes);
feval("state-valid @");
valid = POP();
if (valid) {
return;
}
#endif
#ifdef CONFIG_LOADER_AOUT
aout_load(&sys_info, dev);
feval("state-valid @");
valid = POP();
if (valid) {
return;
}
#endif
#ifdef CONFIG_LOADER_FCODE
fcode_load(dev);
feval("state-valid @");
valid = POP();
if (valid) {
return;
}
#endif
#ifdef CONFIG_LOADER_FORTH
forth_load(dev);
feval("state-valid @");
valid = POP();
if (valid) {
return;
}
#endif
#ifdef CONFIG_LOADER_BOOTCODE
/* Check for a "raw" %BOOT bootcode payload */
feval("want-bootcode @");
valid = POP();
if (valid) {
bootcode_load(dev);
}
#endif
}
