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