| Current Path : /boot/ |
| Current File : //boot/menu-commands.4th |
\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
\ All rights reserved.
\
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\ modification, are permitted provided that the following conditions
\ are met:
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\ $FreeBSD: releng/12.1/stand/forth/menu-commands.4th 293001 2015-12-31 20:00:53Z allanjude $
marker task-menu-commands.4th
include /boot/menusets.4th
only forth definitions
variable kernel_state
variable root_state
0 kernel_state !
0 root_state !
also menu-namespace also menu-command-helpers
\
\ Boot
\
: init_boot ( N -- N )
dup
s" boot_single" getenv -1 <> if
drop ( n n c-addr -- n n ) \ unused
toggle_menuitem ( n n -- n n )
s" set menu_keycode[N]=115" \ base command to execute
else
s" set menu_keycode[N]=98" \ base command to execute
then
17 +c! \ replace 'N' with ASCII numeral
evaluate
;
\
\ Alternate Boot
\
: init_altboot ( N -- N )
dup
s" boot_single" getenv -1 <> if
drop ( n c-addr -- n ) \ unused
toggle_menuitem ( n -- n )
s" set menu_keycode[N]=109" \ base command to execute
else
s" set menu_keycode[N]=115" \ base command to execute
then
17 +c! \ replace 'N' with ASCII numeral
evaluate
;
: altboot ( N -- NOTREACHED )
s" boot_single" 2dup getenv -1 <> if
drop ( c-addr/u c-addr -- c-addr/u ) \ unused
unsetenv ( c-addr/u -- )
else
2drop ( c-addr/u -- ) \ unused
s" set boot_single=YES" evaluate
then
0 boot ( state -- )
;
\
\ ACPI
\
: acpi_enable ( -- )
s" set acpi_load=YES" evaluate \ XXX deprecated but harmless
s" set hint.acpi.0.disabled=0" evaluate
s" loader.acpi_disabled_by_user" unsetenv
;
: acpi_disable ( -- )
s" acpi_load" unsetenv \ XXX deprecated but harmless
s" set hint.acpi.0.disabled=1" evaluate
s" set loader.acpi_disabled_by_user=1" evaluate
;
: toggle_acpi ( N -- N TRUE )
\ Make changes effective _before_ calling menu-redraw
acpienabled? if
acpi_disable
else
acpi_enable
then
menu-redraw
TRUE \ loop menu again
;
\
\ Safe Mode
\
: safemode_enabled? ( -- flag )
s" kern.smp.disabled" getenv -1 <> dup if
swap drop ( c-addr flag -- flag )
then
;
: safemode_enable ( -- )
s" set kern.smp.disabled=1" evaluate
s" set hw.ata.ata_dma=0" evaluate
s" set hw.ata.atapi_dma=0" evaluate
s" set hw.ata.wc=0" evaluate
s" set hw.eisa_slots=0" evaluate
s" set kern.eventtimer.periodic=1" evaluate
s" set kern.geom.part.check_integrity=0" evaluate
;
: safemode_disable ( -- )
s" kern.smp.disabled" unsetenv
s" hw.ata.ata_dma" unsetenv
s" hw.ata.atapi_dma" unsetenv
s" hw.ata.wc" unsetenv
s" hw.eisa_slots" unsetenv
s" kern.eventtimer.periodic" unsetenv
s" kern.geom.part.check_integrity" unsetenv
;
: init_safemode ( N -- N )
safemode_enabled? if
toggle_menuitem ( n -- n )
then
;
: toggle_safemode ( N -- N TRUE )
toggle_menuitem
\ Now we're going to make the change effective
dup toggle_stateN @ 0= if
safemode_disable
else
safemode_enable
then
menu-redraw
TRUE \ loop menu again
;
\
\ Single User Mode
\
: singleuser_enabled? ( -- flag )
s" boot_single" getenv -1 <> dup if
swap drop ( c-addr flag -- flag )
then
;
: singleuser_enable ( -- )
s" set boot_single=YES" evaluate
;
: singleuser_disable ( -- )
s" boot_single" unsetenv
;
: init_singleuser ( N -- N )
singleuser_enabled? if
toggle_menuitem ( n -- n )
then
;
: toggle_singleuser ( N -- N TRUE )
toggle_menuitem
menu-redraw
\ Now we're going to make the change effective
dup toggle_stateN @ 0= if
singleuser_disable
else
singleuser_enable
then
TRUE \ loop menu again
;
\
\ Verbose Boot
\
: verbose_enabled? ( -- flag )
s" boot_verbose" getenv -1 <> dup if
swap drop ( c-addr flag -- flag )
then
;
: verbose_enable ( -- )
s" set boot_verbose=YES" evaluate
;
: verbose_disable ( -- )
s" boot_verbose" unsetenv
;
: init_verbose ( N -- N )
verbose_enabled? if
toggle_menuitem ( n -- n )
then
;
: toggle_verbose ( N -- N TRUE )
toggle_menuitem
menu-redraw
\ Now we're going to make the change effective
dup toggle_stateN @ 0= if
verbose_disable
else
verbose_enable
then
TRUE \ loop menu again
;
\
\ Escape to Prompt
\
: goto_prompt ( N -- N FALSE )
s" set autoboot_delay=NO" evaluate
cr
." To get back to the menu, type `menu' and press ENTER" cr
." or type `boot' and press ENTER to start FreeBSD." cr
cr
FALSE \ exit the menu
;
\
\ Cyclestate (used by kernel/root below)
\
: init_cyclestate ( N K -- N )
over cycle_stateN ( n k -- n k addr )
begin
tuck @ ( n k addr -- n addr k c )
over <> ( n addr k c -- n addr k 0|-1 )
while
rot ( n addr k -- addr k n )
cycle_menuitem
swap rot ( addr k n -- n k addr )
repeat
2drop ( n k addr -- n )
;
\
\ Kernel
\
: init_kernel ( N -- N )
kernel_state @ ( n -- n k )
init_cyclestate ( n k -- n )
;
: activate_kernel ( N -- N )
dup cycle_stateN @ ( n -- n n2 )
dup kernel_state ! ( n n2 -- n n2 ) \ copy for re-initialization
48 + ( n n2 -- n n2' ) \ kernel_state to ASCII num
s" set kernel=${kernel_prefix}${kernel[N]}${kernel_suffix}"
36 +c! ( n n2 c-addr/u -- n c-addr/u ) \ 'N' to ASCII num
evaluate ( n c-addr/u -- n ) \ sets $kernel to full kernel-path
;
: cycle_kernel ( N -- N TRUE )
cycle_menuitem \ cycle cycle_stateN to next value
activate_kernel \ apply current cycle_stateN
menu-redraw \ redraw menu
TRUE \ loop menu again
;
\
\ Root
\
: init_root ( N -- N )
root_state @ ( n -- n k )
init_cyclestate ( n k -- n )
;
: activate_root ( N -- N )
dup cycle_stateN @ ( n -- n n2 )
dup root_state ! ( n n2 -- n n2 ) \ copy for re-initialization
48 + ( n n2 -- n n2' ) \ root_state to ASCII num
s" set root=${root_prefix}${root[N]}${root_suffix}"
30 +c! ( n n2 c-addr/u -- n c-addr/u ) \ 'N' to ASCII num
evaluate ( n c-addr/u -- n ) \ sets $root to full kernel-path
;
: cycle_root ( N -- N TRUE )
cycle_menuitem \ cycle cycle_stateN to next value
activate_root \ apply current cycle_stateN
menu-redraw \ redraw menu
TRUE \ loop menu again
;
\
\ Menusets
\
: goto_menu ( N M -- N TRUE )
menu-unset
menuset-loadsetnum ( n m -- n )
menu-redraw
TRUE \ Loop menu again
;
\
\ Defaults
\
: set_default_boot_options ( N -- N TRUE )
acpi_enable
safemode_disable
singleuser_disable
verbose_disable
2 goto_menu
;
\
\ Set boot environment defaults
\
: init_bootenv ( -- )
s" set menu_caption[1]=${bemenu_current}${vfs.root.mountfrom}" evaluate
s" set ansi_caption[1]=${beansi_current}${vfs.root.mountfrom}" evaluate
s" set menu_caption[2]=${bemenu_bootfs}${zfs_be_active}" evaluate
s" set ansi_caption[2]=${beansi_bootfs}${zfs_be_active}" evaluate
s" set menu_caption[3]=${bemenu_page}${zfs_be_currpage}${bemenu_pageof}${zfs_be_pages}" evaluate
s" set ansi_caption[3]=${beansi_page}${zfs_be_currpage}${bemenu_pageof}${zfs_be_pages}" evaluate
;
\
\ Redraw the entire screen. A long BE name can corrupt the menu
\
: be_draw_screen
clear \ Clear the screen (in screen.4th)
print_version \ print version string (bottom-right; see version.4th)
draw-beastie \ Draw FreeBSD logo at right (in beastie.4th)
draw-brand \ Draw brand.4th logo at top (in brand.4th)
menu-init \ Initialize menu and draw bounding box (in menu.4th)
;
\
\ Select a boot environment
\
: set_bootenv ( N -- N TRUE )
dup s" set vfs.root.mountfrom=${bootenv_root[E]}" 38 +c! evaluate
s" set currdev=${vfs.root.mountfrom}:" evaluate
s" unload" evaluate
free-module-options
s" /boot/defaults/loader.conf" read-conf
s" /boot/loader.conf" read-conf
s" /boot/loader.conf.local" read-conf
init_bootenv
be_draw_screen
menu-redraw
TRUE
;
\
\ Switch to the next page of boot environments
\
: set_be_page ( N -- N TRUE )
s" zfs_be_currpage" getenv dup -1 = if
drop s" 1"
else
0 s>d 2swap
>number ( ud caddr/u -- ud' caddr'/u' ) \ convert string to numbers
2drop \ drop the string
1 um/mod ( ud u1 -- u2 u3 ) \ convert double ud' to single u3' and remainder u2
swap drop ( ud2 u3 -- u3 ) \ drop the remainder u2
1+ \ increment the page number
s>d <# #s #> \ convert back to a string
then
s" zfs_be_currpage" setenv
s" reloadbe" evaluate
3 goto_menu
;
only forth definitions
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