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\ *****************************************************************************
\ * Copyright (c) 2004, 2008 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
\ ****************************************************************************/
: (boot) ( -- )
s" Executing following boot-command: "
boot-command $cat nvramlog-write-string-cr
s" boot-command" evaluate \ get boot command
['] evaluate catch ?dup IF \ and execute it
." boot attempt returned: "
abort"-str @ count type cr
nip nip \ drop string from 1st evaluate
throw
THEN
;
\ Note: The following ESC sequences has to be handled:
\ 1B 4F 50
\ 1B 5B 31 31 7E
\ Reads and converts the function key.
\ key = F1 -- n = 1
: (function-key) ( -- n )
key? IF
key CASE
50 OF 1 ENDOF
7e OF 1 ENDOF
dup OF 0 ENDOF
ENDCASE
THEN
;
\ Checks if an ESC sequence occurs.
: (esc-sequence) ( -- n )
key? IF
key CASE
4f OF (function-key) ENDOF
5b OF
key key (function-key) ENDOF
dup OF 0 ENDOF
ENDCASE
THEN
;
: (s-pressed) ( -- )
s" An 's' has been pressed. Entering Open Firmware Prompt"
nvramlog-write-string-cr
;
: (boot?) ( -- )
of-prompt? not auto-boot? and IF
(boot)
THEN
;
\ Watchdog will be rearmed during load if use-load-watchdog variable is TRUE
TRUE VALUE use-load-watchdog?
: boot-menu-start
boot-menu ?dup IF
s" boot " 2swap $cat
['] evaluate catch ?dup IF
." boot attempt returned: "
abort"-str @ count type cr
throw
THEN
0 0 load-list 2!
THEN
;
: boot-menu-enabled? ( -- true|false )
s" qemu,boot-menu" get-chosen IF
decode-int 1 = IF
2drop TRUE EXIT
THEN
2drop
THEN
FALSE
;
: f12-pressed?
34 = >r 32 = r> and IF
TRUE
ELSE
FALSE
THEN
;
: start-it ( -- )
key? IF
key CASE
[char] s OF (s-pressed) ENDOF
1b OF
(esc-sequence) CASE
1 OF
console-clean-fifo
f12-pressed? boot-menu-enabled? and IF
boot-menu-start
ELSE
(boot?)
THEN
ENDOF
dup OF (boot?) ENDOF
ENDCASE
ENDOF
dup OF (boot?) ENDOF
ENDCASE
ELSE
(boot?)
THEN
disable-watchdog FALSE to use-load-watchdog?
.banner
;
|