blob: 6a4005d0ba600d90a0bbf344642bbf07b67e92fc [file] [log] [blame]
\ *****************************************************************************
\ * Copyright (c) 2011 IBM Corporation
\ * All rights reserved.
\ * This program and the accompanying materials
\ * are made available under the terms of the BSD License
\ * which accompanies this distribution, and is available at
\ * http://www.opensource.org/licenses/bsd-license.php
\ *
\ * Contributors:
\ * IBM Corporation - initial implementation
\ ****************************************************************************/
defer set-boot-device
defer add-boot-device
: add-boot-aliases ( str -- )
2dup add-boot-device ( $str )
MAX-ALIAS 1 DO
2dup i $cathex 2dup ( $str $strN $strN )
find-alias 0 > IF ( $str $strN false | $result )
drop strdup add-boot-device ( $str )
ELSE 2drop THEN
LOOP
2drop
;
\ strict boot order is enabled if the last word in qemu,boot-list is "HALT".
: is-strict-boot? ( bl-str bl-len -- strict? )
dup 4 > IF
+ 5 - 5 s" HALT" str=
ELSE
s" HALT" str=
THEN
;
: qemu-read-bootlist ( -- )
\ See if QEMU has set exact boot device list
" qemu,boot-list" get-chosen IF
1- \ Ignore the trailing NUL character
2dup set-boot-device
is-strict-boot? IF EXIT THEN
ELSE
0 0 set-boot-device
THEN
" qemu,boot-device" get-chosen not IF
\ No boot list set from qemu, so check nvram
" boot-device" evaluate swap drop 0= IF
\ Not set in nvram too, set default disk/cdrom alias
" disk" add-boot-aliases
" cdrom" add-boot-aliases
" net" add-boot-aliases
THEN
EXIT
THEN
0 ?DO
dup i + c@ CASE
0 OF ENDOF
[char] a OF ENDOF
[char] b OF ENDOF
[char] c OF " disk" add-boot-aliases ENDOF
[char] d OF " cdrom" add-boot-aliases ENDOF
[char] n OF " net" add-boot-aliases ENDOF
ENDCASE cr
LOOP
drop
;
' qemu-read-bootlist to read-bootlist