EFI_STATUS
main(int argc, CHAR16 *argv[])
{
char var[128];
EFI_LOADED_IMAGE *img;
EFI_GUID *guid;
int i, j, vargood, unit, howto;
struct devsw *dev;
uint64_t pool_guid;
UINTN k;
int has_kbd;
archsw.arch_autoload = efi_autoload;
archsw.arch_getdev = efi_getdev;
archsw.arch_copyin = efi_copyin;
archsw.arch_copyout = efi_copyout;
archsw.arch_readin = efi_readin;
#ifdef EFI_ZFS_BOOT
/* Note this needs to be set before ZFS init. */
archsw.arch_zfs_probe = efi_zfs_probe;
#endif
has_kbd = has_keyboard();
/*
* XXX Chicken-and-egg problem; we want to have console output
* early, but some console attributes may depend on reading from
* eg. the boot device, which we can't do yet. We can use
* printf() etc. once this is done.
*/
cons_probe();
/*
* Initialise the block cache. Set the upper limit.
*/
bcache_init(32768, 512);
/*
* Parse the args to set the console settings, etc
* boot1.efi passes these in, if it can read /boot.config or /boot/config
* or iPXE may be setup to pass these in.
*
* Loop through the args, and for each one that contains an '=' that is
* not the first character, add it to the environment. This allows
* loader and kernel env vars to be passed on the command line. Convert
* args from UCS-2 to ASCII (16 to 8 bit) as they are copied.
*/
howto = 0;
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
for (j = 1; argv[i][j] != 0; j++) {
int ch;
ch = argv[i][j];
switch (ch) {
case 'a':
howto |= RB_ASKNAME;
break;
case 'd':
howto |= RB_KDB;
break;
case 'D':
howto |= RB_MULTIPLE;
break;
case 'h':
howto |= RB_SERIAL;
break;
case 'm':
howto |= RB_MUTE;
break;
case 'p':
howto |= RB_PAUSE;
break;
case 'P':
if (!has_kbd)
howto |= RB_SERIAL | RB_MULTIPLE;
break;
case 'r':
howto |= RB_DFLTROOT;
break;
case 's':
howto |= RB_SINGLE;
break;
case 'S':
if (argv[i][j + 1] == 0) {
if (i + 1 == argc) {
setenv("comconsole_speed", "115200", 1);
} else {
cp16to8(&argv[i + 1][0], var,
sizeof(var));
setenv("comconsole_speedspeed", var, 1);
}
i++;
break;
} else {
cp16to8(&argv[i][j + 1], var,
sizeof(var));
setenv("comconsole_speed", var, 1);
break;
}
case 'v':
howto |= RB_VERBOSE;
break;
}
}
} else {
vargood = 0;
for (j = 0; argv[i][j] != 0; j++) {
if (j == sizeof(var)) {
vargood = 0;
break;
}
if (j > 0 && argv[i][j] == '=')
vargood = 1;
var[j] = (char)argv[i][j];
}
if (vargood) {
var[j] = 0;
putenv(var);
}
}
}
for (i = 0; howto_names[i].ev != NULL; i++)
if (howto & howto_names[i].mask)
setenv(howto_names[i].ev, "YES", 1);
if (howto & RB_MULTIPLE) {
if (howto & RB_SERIAL)
setenv("console", "comconsole efi" , 1);
else
setenv("console", "efi comconsole" , 1);
} else if (howto & RB_SERIAL) {
setenv("console", "comconsole" , 1);
}
if (efi_copy_init()) {
printf("failed to allocate staging area\n");
return (EFI_BUFFER_TOO_SMALL);
}
/*
* March through the device switch probing for things.
*/
for (i = 0; devsw[i] != NULL; i++)
if (devsw[i]->dv_init != NULL)
(devsw[i]->dv_init)();
/* Get our loaded image protocol interface structure. */
BS->HandleProtocol(IH, &imgid, (VOID**)&img);
printf("Command line arguments:");
for (i = 0; i < argc; i++) {
printf(" ");
print_str16(argv[i]);
}
printf("\n");
printf("Image base: 0x%lx\n", (u_long)img->ImageBase);
printf("EFI version: %d.%02d\n", ST->Hdr.Revision >> 16,
ST->Hdr.Revision & 0xffff);
printf("EFI Firmware: ");
/* printf doesn't understand EFI Unicode */
ST->ConOut->OutputString(ST->ConOut, ST->FirmwareVendor);
printf(" (rev %d.%02d)\n", ST->FirmwareRevision >> 16,
ST->FirmwareRevision & 0xffff);
printf("\n");
printf("%s, Revision %s\n", bootprog_name, bootprog_rev);
printf("(%s, %s)\n", bootprog_maker, bootprog_date);
/*
* Disable the watchdog timer. By default the boot manager sets
* the timer to 5 minutes before invoking a boot option. If we
* want to return to the boot manager, we have to disable the
* watchdog timer and since we're an interactive program, we don't
* want to wait until the user types "quit". The timer may have
* fired by then. We don't care if this fails. It does not prevent
* normal functioning in any way...
*/
BS->SetWatchdogTimer(0, 0, 0, NULL);
if (efi_handle_lookup(img->DeviceHandle, &dev, &unit, &pool_guid) != 0)
return (EFI_NOT_FOUND);
switch (dev->dv_type) {
#ifdef EFI_ZFS_BOOT
case DEVT_ZFS: {
struct zfs_devdesc currdev;
currdev.d_dev = dev;
currdev.d_unit = unit;
currdev.d_type = currdev.d_dev->dv_type;
currdev.d_opendata = NULL;
currdev.pool_guid = pool_guid;
currdev.root_guid = 0;
env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev),
efi_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset,
env_nounset);
init_zfs_bootenv(zfs_fmtdev(&currdev));
break;
}
#endif
default: {
struct devdesc currdev;
currdev.d_dev = dev;
currdev.d_unit = unit;
currdev.d_opendata = NULL;
currdev.d_type = currdev.d_dev->dv_type;
env_setenv("currdev", EV_VOLATILE, efi_fmtdev(&currdev),
efi_setcurrdev, env_nounset);
env_setenv("loaddev", EV_VOLATILE, efi_fmtdev(&currdev), env_noset,
env_nounset);
break;
}
}
setenv("LINES", "24", 1); /* optional */
for (k = 0; k < ST->NumberOfTableEntries; k++) {
guid = &ST->ConfigurationTable[k].VendorGuid;
if (!memcmp(guid, &smbios, sizeof(EFI_GUID))) {
smbios_detect(ST->ConfigurationTable[k].VendorTable);
break;
}
}
interact(NULL); /* doesn't return */
return (EFI_SUCCESS); /* keep compiler happy */
}
static bool
CanEditInPlace()
{
return has_keyboard();
}
