/* Legacy16DispatchOprom */
static void
handle_csm_0005(struct bregs *regs)
{
EFI_DISPATCH_OPROM_TABLE *table = MAKE_FLATPTR(regs->es, regs->bx);
struct rom_header *rom;
u16 bdf;
if (!CONFIG_OPTIONROMS) {
regs->ax = 1;
return;
}
dprintf(3, "Legacy16DispatchOprom rom %p\n", table);
dprintf(3, "OpromSegment %04x\n", table->OpromSegment);
dprintf(3, "RuntimeSegment %04x\n", table->RuntimeSegment);
dprintf(3, "PnPInstallationCheck %04x:%04x\n",
table->PnPInstallationCheckSegment,
table->PnPInstallationCheckOffset);
dprintf(3, "RuntimeSegment %04x\n", table->RuntimeSegment);
rom = MAKE_FLATPTR(table->OpromSegment, 0);
bdf = pci_bus_devfn_to_bdf(table->PciBus, table->PciDeviceFunction);
rom_reserve(rom->size * 512);
// XX PnP seg/ofs should never be other than default
callrom(rom, bdf);
rom_confirm(rom->size * 512);
regs->bx = 0; // FIXME
regs->ax = 0;
}
/*
* Prepare boot information and jump directly to the kernel.
*/
static void
jump_to_kernel(u_long *marks, char *kernel, char *args, void *ofw,
int boothowto)
{
int l, machine_tag;
long newargs[4];
void *ssym, *esym;
vaddr_t bootinfo;
struct btinfo_symtab bi_sym;
struct btinfo_kernend bi_kend;
struct btinfo_boothowto bi_howto;
char *cp;
char bootline[PROM_MAX_PATH * 2];
/* Compose kernel boot line. */
strncpy(bootline, kernel, sizeof(bootline));
cp = bootline + strlen(bootline);
if (*args) {
*cp++ = ' ';
strncpy(bootline, args, sizeof(bootline) - (cp - bootline));
}
*cp = 0; args = bootline;
/* Record symbol information in the bootinfo. */
bootinfo = bi_init(marks[MARK_END]);
bi_sym.nsym = marks[MARK_NSYM];
bi_sym.ssym = marks[MARK_SYM];
bi_sym.esym = marks[MARK_END];
bi_add(&bi_sym, BTINFO_SYMTAB, sizeof(bi_sym));
bi_kend.addr= bootinfo + BOOTINFO_SIZE;
bi_add(&bi_kend, BTINFO_KERNEND, sizeof(bi_kend));
bi_howto.boothowto = boothowto;
bi_add(&bi_howto, BTINFO_BOOTHOWTO, sizeof(bi_howto));
if (bootinfo_pass_bootdev) {
struct {
struct btinfo_common common;
char name[256];
} info;
strcpy(info.name, bootdev);
bi_add(&info, BTINFO_BOOTDEV, strlen(bootdev)
+sizeof(struct btinfo_bootdev));
}
sparc64_finalize_tlb(marks[MARK_DATA]);
sparc64_bi_add();
ssym = (void*)(long)marks[MARK_SYM];
esym = (void*)(long)marks[MARK_END];
DPRINTF(("jump_to_kernel(): ssym = %p, esym = %p\n", ssym, esym));
/* Adjust ksyms pointers, if needed. */
if (COMPAT_BOOT(marks) || compatmode) {
ksyms_copyout(&ssym, &esym);
}
freeall();
/*
* When we come in args consists of a pointer to the boot
* string. We need to fix it so it takes into account
* other params such as romp.
*/
/*
* Stash pointer to end of symbol table after the argument
* strings.
*/
l = strlen(args) + 1;
memcpy(args + l, &esym, sizeof(esym));
l += sizeof(esym);
/*
* Tell the kernel we're an OpenFirmware system.
*/
machine_tag = SPARC_MACHINE_OPENFIRMWARE;
memcpy(args + l, &machine_tag, sizeof(machine_tag));
l += sizeof(machine_tag);
/*
* Since we don't need the boot string (we can get it from /chosen)
* we won't pass it in. Just pass in esym and magic #
*/
newargs[0] = SPARC_MACHINE_OPENFIRMWARE;
newargs[1] = (long)esym;
newargs[2] = (long)ssym;
newargs[3] = (long)(void*)bootinfo;
args = (char *)newargs;
l = sizeof(newargs);
/* if -D is set then pause in the PROM. */
if (debug > 1) callrom();
/*
* Jump directly to the kernel. Solaris kernel and Sun PROM
* flash updates expect ROMP vector in %o0, so we do. Format
* of other parameters and their order reflect OF_chain()
* symantics since this is what older NetBSD kernels rely on.
* (see sparc64/include/bootinfo.h for specification).
*/
DPRINTF(("jump_to_kernel(%lx, %lx, %lx, %lx, %lx) @ %p\n", (long)ofw,
(long)args, (long)l, (long)ofw, (long)ofw,
(void*)marks[MARK_ENTRY]));
(*(entry_t)marks[MARK_ENTRY])((long)ofw, (long)args, (long)l, (long)ofw,
(long)ofw);
printf("Returned from kernel entry point!\n");
}
void
do_cmd(char *buf, char *ebuf)
{
switch (*buf) {
case '\0':
return;
case 'a':
if (rev_arp()) {
printf("My ip address is: %d.%d.%d.%d\n",
myip[0], myip[1], myip[2], myip[3]);
printf("Server ip address is: %d.%d.%d.%d\n",
servip[0], servip[1], servip[2], servip[3]);
} else {
printf("Failed.\n");
}
return;
case 'e':
printf("exiting to ROM\n");
callrom();
return;
case 'f':
if (do_get_file() == 1) {
printf("Download Failed\n");
} else {
printf("Download was a success!\n");
}
return;
case 'b':
le_init();
if (rev_arp()) {
printf("My ip address is: %d.%d.%d.%d\n",
myip[0], myip[1], myip[2], myip[3]);
printf("Server ip address is: %d.%d.%d.%d\n",
servip[0], servip[1], servip[2], servip[3]);
} else {
printf("REVARP: Failed.\n");
return;
}
if (do_get_file() == 1) {
printf("Download Failed\n");
return;
} else {
printf("Download was a success!\n");
}
/*FALLTHROUGH*/
case 'g':
printf("Start @ 0x%x ... \n", LOAD_ADDR);
go(LOAD_ADDR, buf+1, ebuf);
return;
case 'h':
case '?':
printf("valid commands\n");
printf("a - send a RARP\n");
printf("b - boot the system\n");
printf("e - exit to ROM\n");
printf("f - ftp the boot file\n");
printf("g - execute the boot file\n");
printf("h - help\n");
printf("i - init LANCE enet chip\n");
return;
case 'i':
le_init();
return;
default:
printf("sboot: %s: Unknown command\n", buf);
}
}