/usr/src/boot/forth/beastie.4th
Forth | 112 lines | 98 code | 14 blank | 0 comment | 12 complexity | bbf098a7a430f98a2e91a92b458bf550 MD5 | raw file
- \ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org>
- \ Copyright (c) 2003 Aleksander Fafula <alex@fafula.com>
- \ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
- \ All rights reserved.
- \
- \ Redistribution and use in source and binary forms, with or without
- \ modification, are permitted provided that the following conditions
- \ are met:
- \ 1. Redistributions of source code must retain the above copyright
- \ notice, this list of conditions and the following disclaimer.
- \ 2. Redistributions in binary form must reproduce the above copyright
- \ notice, this list of conditions and the following disclaimer in the
- \ documentation and/or other materials provided with the distribution.
- \
- \ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- \ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- \ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- \ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- \ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- \ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- \ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- \ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- \ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- \ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- \ SUCH DAMAGE.
- marker task-beastie.4th
- only forth definitions
- variable logoX
- variable logoY
- \ Initialize logo placement to defaults
- 46 logoX !
- 4 logoY !
- \ This function draws any number of beastie logos at (loader_logo_x,
- \ loader_logo_y) if defined, else (46,4) (to the right of the menu). To choose
- \ your beastie, set the variable `loader_logo' to the respective logo name.
- \
- \ NOTE: Each is defined as a logo function in /boot/logo-${loader_logo}.4th
- \ NOTE: If `/boot/logo-${loader_logo}.4th' does not exist or does not define
- \ a `logo' function, no beastie is drawn.
- \
- : draw-beastie ( -- ) \ at (loader_logo_x,loader_logo_y), else (46,4)
- s" loader_logo_x" getenv dup -1 <> if
- ?number 1 = if logoX ! then
- else drop then
- s" loader_logo_y" getenv dup -1 <> if
- ?number 1 = if logoY ! then
- else drop then
- \ If `logo' is defined, execute it
- s" logo" sfind ( -- xt|0 bool ) if
- logoX @ logoY @ rot execute
- else
- \ Not defined; try-include desired logo file
- drop ( xt = 0 ) \ cruft
- s" loader_logo" getenv dup -1 = over 0= or if
- dup 0= if 2drop else drop then \ getenv result unused
- loader_color? if
- s" try-include /boot/forth/logo-orb.4th"
- else
- s" try-include /boot/forth/logo-orbbw.4th"
- then
- else
- 2drop ( c-addr/u -- ) \ getenv result unused
- s" try-include /boot/forth/logo-${loader_logo}.4th"
- then
- evaluate
- 1 spaces
- \ Execute `logo' if defined now
- s" logo" sfind if
- logoX @ logoY @ rot execute
- else drop then
- then
- ;
- : draw-beastie
- ['] draw-beastie console-iterate
- ;
- also support-functions
- : beastie-start ( -- ) \ starts the menu
- s" beastie_disable" getenv dup -1 <> if
- s" YES" compare-insensitive 0= if
- any_conf_read? if
- load_xen_throw
- load_kernel
- load_modules
- then
- exit \ to autoboot (default)
- then
- else drop then
- s" loader_delay" getenv -1 = if
- s" include /boot/forth/menu.rc" evaluate
- else
- drop
- ." Loading Menu (Ctrl-C to Abort)" cr
- s" set delay_command='include /boot/forth/menu.rc'" evaluate
- s" set delay_showdots" evaluate
- delay_execute
- then
- ;
- only forth definitions