int
main()
{
int chosen;
/*
* Get the boot arguments from Openfirmware
*/
if ((chosen = OF_finddevice("/chosen")) == -1 ||
OF_getprop(chosen, "bootpath", bootdev, sizeof bootdev) < 0 ||
OF_getprop(chosen, "bootargs", bootline, sizeof bootline) < 0) {
printf("Invalid Openfirmware environment\n");
exit();
}
prom2boot(bootdev);
get_alt_bootdev(bootdev, sizeof(bootdev), bootline, sizeof(bootline));
if (bootline[0] != '\0')
kernelfile = bootline;
OF_claim((void *)0x00100000, CLAIM_LIMIT, 0); /* XXX */
boot(0);
return 0;
}
void
main(void)
{
extern char bootprog_name[], bootprog_rev[];
int chosen;
char bootline[512]; /* Should check size? */
char *cp, *startbuf, *endbuf;
u_long marks[MARK_MAX], size;
u_int32_t entry;
void *ssym, *esym;
printf("\n");
printf(">> %s, Revision %s\n", bootprog_name, bootprog_rev);
/*
* Get the boot arguments from Openfirmware
*/
if ((chosen = OF_finddevice("/chosen")) == -1 ||
OF_getprop(chosen, "bootpath", bootdev, sizeof bootdev) < 0 ||
OF_getprop(chosen, "bootargs", bootline, sizeof bootline) < 0) {
printf("Invalid Openfirmware environment\n");
OF_exit();
}
prom2boot(bootdev);
parseargs(bootline, &boothowto);
DPRINTF("bootline=%s\n", bootline);
/*
* Per the ARM OpenFirmware bindings, the firmware must
* allocate and map at least 6MB of physical memory starting
* at VA 0xf0000000. We have been loaded at 0xf0000000,
* and the memory after us has been unmapped and freed.
* We expect to load the kernel at 0xf0100000, so we will
* allocate 5MB of virtual memory starting there, and
* unmap/free what we don't use.
*/
startbuf = OF_claim((void *) 0xf0100000, (5 * 1024 * 1024), 0);
if (startbuf != (void *) 0xf0100000) {
printf("Unable to claim buffer for kernel\n");
OF_exit();
}
endbuf = startbuf + (5 * 1024 * 1024);
for (;;) {
int i;
if (boothowto & RB_ASKNAME) {
printf("Boot: ");
gets(bootline);
parseargs(bootline, &boothowto);
}
if (bootline[0]) {
kernels[0] = bootline;
kernels[1] = NULL;
}
for (i = 0; kernels[i]; i++) {
DPRINTF("Trying %s\n", kernels[i]);
marks[MARK_START] = 0xf0100000;
if (loadfile(kernels[i], marks, LOAD_KERNEL) >= 0)
goto loaded;
}
boothowto |= RB_ASKNAME;
}
loaded:
/*
* Okay, kernel is loaded, free the extra memory at the end.
* Round to the ARM OpenFirmare page size (4k).
*/
cp = (char *) ((marks[MARK_END] + 0xfff) & ~0xfff);
size = (u_long) (endbuf - cp);
if (size)
OF_release(cp, size);
#ifdef __notyet__
OF_setprop(chosen, "bootpath", opened_name, strlen(opened_name) + 1);
cp = bootline;
#else
strcpy(bootline, opened_name);
cp = bootline + strlen(bootline);
*cp++ = ' ';
#endif
*cp = '-';
if (boothowto & RB_ASKNAME)
*++cp = 'a';
if (boothowto & RB_SINGLE)
*++cp = 's';
if (boothowto & RB_KDB)
*++cp = 'd';
if (*cp == '-')
#ifdef __notyet__
*cp = 0;
#else
*--cp = 0;
#endif
else
