diff options
Diffstat (limited to 'sys/boot/forth/menu.4th')
| -rw-r--r-- | sys/boot/forth/menu.4th | 512 |
1 files changed, 273 insertions, 239 deletions
diff --git a/sys/boot/forth/menu.4th b/sys/boot/forth/menu.4th index 0239115..9127565 100644 --- a/sys/boot/forth/menu.4th +++ b/sys/boot/forth/menu.4th @@ -1,6 +1,6 @@ -\ Copyright (c) 2003 Scott Long <scottl@freebsd.org> +\ Copyright (c) 2003 Scott Long <scottl@FreeBSD.org> \ Copyright (c) 2003 Aleksander Fafula <alex@fafula.com> -\ Copyright (c) 2006-2013 Devin Teske <dteske@FreeBSD.org> +\ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org> \ All rights reserved. \ \ Redistribution and use in source and binary forms, with or without @@ -31,6 +31,12 @@ marker task-menu.4th \ Frame drawing include /boot/frames.4th +vocabulary menu-infrastructure +vocabulary menu-namespace +vocabulary menu-command-helpers + +only forth also menu-infrastructure definitions + f_double \ Set frames to double (see frames.4th). Replace with \ f_single if you want single frames. 46 constant dot \ ASCII definition of a period (in decimal) @@ -57,20 +63,8 @@ variable menubllt \ Menu item bullet variable menuX \ Menu X offset (columns) variable menuY \ Menu Y offset (rows) -\ Menu-item key association/detection -variable menukey1 -variable menukey2 -variable menukey3 -variable menukey4 -variable menukey5 -variable menukey6 -variable menukey7 -variable menukey8 -variable menureboot +\ Menu-item elements variable menurebootadded -variable menuacpi -variable menuoptions -variable menukernel \ Parsing of kernels into menu-items variable kernidx @@ -84,6 +78,27 @@ variable menu_timeout \ determined configurable delay duration variable menu_timeout_x \ column position of timeout message variable menu_timeout_y \ row position of timeout message +\ Containers for parsing kernels into menu-items +create kerncapbuf 64 allot +create kerndefault 64 allot +create kernelsbuf 256 allot + +only forth also menu-namespace definitions + +\ Menu-item key association/detection +variable menukey1 +variable menukey2 +variable menukey3 +variable menukey4 +variable menukey5 +variable menukey6 +variable menukey7 +variable menukey8 +variable menureboot +variable menuacpi +variable menuoptions +variable menukernel + \ Menu initialization status variables variable init_state1 variable init_state2 @@ -124,10 +139,34 @@ create init_text6 64 allot create init_text7 64 allot create init_text8 64 allot -\ Containers for parsing kernels into menu-items -create kerncapbuf 64 allot -create kerndefault 64 allot -create kernelsbuf 256 allot +only forth definitions + +: arch-i386? ( -- BOOL ) \ Returns TRUE (-1) on i386, FALSE (0) otherwise. + s" arch-i386" environment? dup if + drop + then +; + +: acpipresent? ( -- flag ) \ Returns TRUE if ACPI is present, FALSE otherwise + s" hint.acpi.0.rsdp" getenv + dup -1 = if + drop false exit + then + 2drop + true +; + +: acpienabled? ( -- flag ) \ Returns TRUE if ACPI is enabled, FALSE otherwise + s" hint.acpi.0.disabled" getenv + dup -1 <> if + s" 0" compare 0<> if + false exit + then + else + drop + then + true +; : +c! ( N C-ADDR/U K -- C-ADDR/U ) 3 pick 3 pick ( n c-addr/u k -- n c-addr/u k n c-addr ) @@ -135,21 +174,17 @@ create kernelsbuf 256 allot rot drop ( n c-addr/u -- c-addr/u ) ; -: delim? ( C -- BOOL ) - dup 32 = ( c -- c bool ) \ [sp] space - over 9 = or ( c bool -- c bool ) \ [ht] horizontal tab - over 10 = or ( c bool -- c bool ) \ [nl] newline - over 13 = or ( c bool -- c bool ) \ [cr] carriage return - over [char] , = or ( c bool -- c bool ) \ comma - swap drop ( c bool -- bool ) \ return boolean -; +only forth also menu-namespace definitions -: menukeyN ( N -- ADDR ) s" menukeyN" 7 +c! evaluate ; -: init_stateN ( N -- ADDR ) s" init_stateN" 10 +c! evaluate ; -: toggle_stateN ( N -- ADDR ) s" toggle_stateN" 12 +c! evaluate ; -: cycle_stateN ( N -- ADDR ) s" cycle_stateN" 11 +c! evaluate ; -: init_textN ( N -- C-ADDR ) s" init_textN" 9 +c! evaluate ; +\ Forth variables +: namespace ( C-ADDR/U N -- ) also menu-namespace +c! evaluate previous ; +: menukeyN ( N -- ADDR ) s" menukeyN" 7 namespace ; +: init_stateN ( N -- ADDR ) s" init_stateN" 10 namespace ; +: toggle_stateN ( N -- ADDR ) s" toggle_stateN" 12 namespace ; +: cycle_stateN ( N -- ADDR ) s" cycle_stateN" 11 namespace ; +: init_textN ( N -- C-ADDR ) s" init_textN" 9 namespace ; +\ Environment variables : kernel[x] ( N -- C-ADDR/U ) s" kernel[x]" 7 +c! ; : menu_init[x] ( N -- C-ADDR/U ) s" menu_init[x]" 10 +c! ; : menu_command[x] ( N -- C-ADDR/U ) s" menu_command[x]" 13 +c! ; @@ -161,11 +196,7 @@ create kernelsbuf 256 allot : menu_caption[x][y] ( N M -- C-ADDR/U ) s" menu_caption[x][y]" 16 +c! 13 +c! ; : ansi_caption[x][y] ( N M -- C-ADDR/U ) s" ansi_caption[x][y]" 16 +c! 13 +c! ; -: arch-i386? ( -- BOOL ) \ Returns TRUE (-1) on i386, FALSE (0) otherwise. - s" arch-i386" environment? dup if - drop - then -; +also menu-infrastructure definitions \ This function prints a menu item at menuX (row) and menuY (column), returns \ the incremental decimal ASCII value associated with the menu item, and @@ -175,6 +206,8 @@ create kernelsbuf 256 allot \ : printmenuitem ( menu_item_str -- ascii_keycode ) + loader_color? if [char] ^ escc! then + menurow dup @ 1+ swap ! ( increment menurow ) menuidx dup @ 1+ swap ! ( increment menuidx ) @@ -185,13 +218,10 @@ create kernelsbuf 256 allot dup menuX @ swap at-xy \ Print the value of menuidx - loader_color? if - ." [1m" ( [22m ) - then + loader_color? dup ( -- bool bool ) + if b then menuidx @ . - loader_color? if - ." [37m" ( [39m ) - then + if me then \ Move the cursor forward 1 column dup menuX @ 1+ swap at-xy @@ -212,196 +242,6 @@ create kernelsbuf 256 allot menuidx @ 48 + ; -: toggle_menuitem ( N -- N ) \ toggles caption text and internal menuitem state - - \ ASCII numeral equal to user-selected menu item must be on the stack. - \ We do not modify the stack, so the ASCII numeral is left on top. - - dup init_textN c@ 0= if - \ NOTE: no need to check toggle_stateN since the first time we - \ are called, we will populate init_textN. Further, we don't - \ need to test whether menu_caption[x] (ansi_caption[x] when - \ loader_color?=1) is available since we would not have been - \ called if the caption was NULL. - - \ base name of environment variable - dup ( n -- n n ) \ key pressed - loader_color? if - ansi_caption[x] - else - menu_caption[x] - then - getenv dup -1 <> if - - 2 pick ( n c-addr/u -- n c-addr/u n ) - init_textN ( n c-addr/u n -- n c-addr/u c-addr ) - - \ now we have the buffer c-addr on top - \ ( followed by c-addr/u of current caption ) - - \ Copy the current caption into our buffer - 2dup c! -rot \ store strlen at first byte - begin - rot 1+ \ bring alt addr to top and increment - -rot -rot \ bring buffer addr to top - 2dup c@ swap c! \ copy current character - 1+ \ increment buffer addr - rot 1- \ bring buffer len to top and decrement - dup 0= \ exit loop if buffer len is zero - until - 2drop \ buffer len/addr - drop \ alt addr - - else - drop - then - then - - \ Now we are certain to have init_textN populated with the initial - \ value of menu_caption[x] (ansi_caption[x] with loader_color enabled). - \ We can now use init_textN as the untoggled caption and - \ toggled_text[x] (toggled_ansi[x] with loader_color enabled) as the - \ toggled caption and store the appropriate value into menu_caption[x] - \ (again, ansi_caption[x] with loader_color enabled). Last, we'll - \ negate the toggled state so that we reverse the flow on subsequent - \ calls. - - dup toggle_stateN @ 0= if - \ state is OFF, toggle to ON - - dup ( n -- n n ) \ key pressed - loader_color? if - toggled_ansi[x] - else - toggled_text[x] - then - getenv dup -1 <> if - \ Assign toggled text to menu caption - 2 pick ( n c-addr/u -- n c-addr/u n ) \ key pressed - loader_color? if - ansi_caption[x] - else - menu_caption[x] - then - setenv - else - \ No toggled text, keep the same caption - drop ( n -1 -- n ) \ getenv cruft - then - - true \ new value of toggle state var (to be stored later) - else - \ state is ON, toggle to OFF - - dup init_textN count ( n -- n c-addr/u ) - - \ Assign init_textN text to menu caption - 2 pick ( n c-addr/u -- n c-addr/u n ) \ key pressed - loader_color? if - ansi_caption[x] - else - menu_caption[x] - then - setenv - - false \ new value of toggle state var (to be stored below) - then - - \ now we'll store the new toggle state (on top of stack) - over toggle_stateN ! -; - -: cycle_menuitem ( N -- N ) \ cycles through array of choices for a menuitem - - \ ASCII numeral equal to user-selected menu item must be on the stack. - \ We do not modify the stack, so the ASCII numeral is left on top. - - dup cycle_stateN dup @ 1+ \ get value and increment - - \ Before assigning the (incremented) value back to the pointer, - \ let's test for the existence of this particular array element. - \ If the element exists, we'll store index value and move on. - \ Otherwise, we'll loop around to zero and store that. - - dup 48 + ( n addr k -- n addr k k' ) - \ duplicate array index and convert to ASCII numeral - - 3 pick swap ( n addr k k' -- n addr k n k' ) \ (n,k') as (x,y) - loader_color? if - ansi_caption[x][y] - else - menu_caption[x][y] - then - ( n addr k n k' -- n addr k c-addr/u ) - - \ Now test for the existence of our incremented array index in the - \ form of $menu_caption[x][y] ($ansi_caption[x][y] with loader_color - \ enabled) as set in loader.rc(5), et. al. - - getenv dup -1 = if - \ No caption set for this array index. Loop back to zero. - - drop ( n addr k -1 -- n addr k ) \ getenv cruft - drop 0 ( n addr k -- n addr 0 ) \ new value to store later - - 2 pick [char] 0 ( n addr 0 -- n addr 0 n 48 ) \ (n,48) as (x,y) - loader_color? if - ansi_caption[x][y] - else - menu_caption[x][y] - then - ( n addr 0 n 48 -- n addr 0 c-addr/u ) - getenv dup -1 = if - \ Highly unlikely to occur, but to ensure things move - \ along smoothly, allocate a temporary NULL string - drop ( cruft ) s" " - then - then - - \ At this point, we should have the following on the stack (in order, - \ from bottom to top): - \ - \ n - Ascii numeral representing the menu choice (inherited) - \ addr - address of our internal cycle_stateN variable - \ k - zero-based number we intend to store to the above - \ c-addr/u - string value we intend to store to menu_caption[x] - \ (or ansi_caption[x] with loader_color enabled) - \ - \ Let's perform what we need to with the above. - - \ Assign array value text to menu caption - 4 pick ( n addr k c-addr/u -- n addr k c-addr/u n ) - loader_color? if - ansi_caption[x] - else - menu_caption[x] - then - setenv - - swap ! ( n addr k -- n ) \ update array state variable -; - -: acpipresent? ( -- flag ) \ Returns TRUE if ACPI is present, FALSE otherwise - s" hint.acpi.0.rsdp" getenv - dup -1 = if - drop false exit - then - 2drop - true -; - -: acpienabled? ( -- flag ) \ Returns TRUE if ACPI is enabled, FALSE otherwise - s" hint.acpi.0.disabled" getenv - dup -1 <> if - s" 0" compare 0<> if - false exit - then - else - drop - then - true -; - \ This function prints the appropriate menuitem basename to the stack if an \ ACPI option is to be presented to the user, otherwise returns -1. Used \ internally by menu-create, you need not (nor should you) call this directly. @@ -432,6 +272,15 @@ create kernelsbuf 256 allot then ; +: delim? ( C -- BOOL ) + dup 32 = ( c -- c bool ) \ [sp] space + over 9 = or ( c bool -- c bool ) \ [ht] horizontal tab + over 10 = or ( c bool -- c bool ) \ [nl] newline + over 13 = or ( c bool -- c bool ) \ [cr] carriage return + over [char] , = or ( c bool -- c bool ) \ comma + swap drop ( c bool -- bool ) \ return boolean +; + \ This function parses $kernels into variables that are used by the menu to \ display wich kernel to boot when the [overloaded] `boot' word is interpreted. \ Used internally by menu-create, you need not (nor should you) call this @@ -548,14 +397,15 @@ create kernelsbuf 256 allot setenv \ Assign third to ansi_caption[x][y] - kerncapbuf 0 s" [1mK[37mernel: " strcat + kerncapbuf 0 s" @[1mK@[37mernel: " [char] @ escc! strcat kernmenuidx @ [char] 0 = if - s" default/[32m" + s" default/@[32m" else - s" [34;1m" - then strcat + s" @[34;1m" + then + [char] @ escc! strcat 2over strcat - s" [37m" strcat + s" @[37m" [char] @ escc! strcat kernidx @ kernmenuidx @ ansi_caption[x][y] setenv @@ -614,7 +464,7 @@ create kernelsbuf 256 allot ; \ This function creates the list of menu items. This function is called by the -\ menu-display function. You need not be call it directly. +\ menu-display function. You need not call it directly. \ : menu-create ( -- ) @@ -957,6 +807,182 @@ create kernelsbuf 256 allot 0 menurow ! ; +only forth +also menu-infrastructure +also menu-namespace +also menu-command-helpers definitions + +: toggle_menuitem ( N -- N ) \ toggles caption text and internal menuitem state + + \ ASCII numeral equal to user-selected menu item must be on the stack. + \ We do not modify the stack, so the ASCII numeral is left on top. + + dup init_textN c@ 0= if + \ NOTE: no need to check toggle_stateN since the first time we + \ are called, we will populate init_textN. Further, we don't + \ need to test whether menu_caption[x] (ansi_caption[x] when + \ loader_color?=1) is available since we would not have been + \ called if the caption was NULL. + + \ base name of environment variable + dup ( n -- n n ) \ key pressed + loader_color? if + ansi_caption[x] + else + menu_caption[x] + then + getenv dup -1 <> if + + 2 pick ( n c-addr/u -- n c-addr/u n ) + init_textN ( n c-addr/u n -- n c-addr/u c-addr ) + + \ now we have the buffer c-addr on top + \ ( followed by c-addr/u of current caption ) + + \ Copy the current caption into our buffer + 2dup c! -rot \ store strlen at first byte + begin + rot 1+ \ bring alt addr to top and increment + -rot -rot \ bring buffer addr to top + 2dup c@ swap c! \ copy current character + 1+ \ increment buffer addr + rot 1- \ bring buffer len to top and decrement + dup 0= \ exit loop if buffer len is zero + until + 2drop \ buffer len/addr + drop \ alt addr + + else + drop + then + then + + \ Now we are certain to have init_textN populated with the initial + \ value of menu_caption[x] (ansi_caption[x] with loader_color enabled). + \ We can now use init_textN as the untoggled caption and + \ toggled_text[x] (toggled_ansi[x] with loader_color enabled) as the + \ toggled caption and store the appropriate value into menu_caption[x] + \ (again, ansi_caption[x] with loader_color enabled). Last, we'll + \ negate the toggled state so that we reverse the flow on subsequent + \ calls. + + dup toggle_stateN @ 0= if + \ state is OFF, toggle to ON + + dup ( n -- n n ) \ key pressed + loader_color? if + toggled_ansi[x] + else + toggled_text[x] + then + getenv dup -1 <> if + \ Assign toggled text to menu caption + 2 pick ( n c-addr/u -- n c-addr/u n ) \ key pressed + loader_color? if + ansi_caption[x] + else + menu_caption[x] + then + setenv + else + \ No toggled text, keep the same caption + drop ( n -1 -- n ) \ getenv cruft + then + + true \ new value of toggle state var (to be stored later) + else + \ state is ON, toggle to OFF + + dup init_textN count ( n -- n c-addr/u ) + + \ Assign init_textN text to menu caption + 2 pick ( n c-addr/u -- n c-addr/u n ) \ key pressed + loader_color? if + ansi_caption[x] + else + menu_caption[x] + then + setenv + + false \ new value of toggle state var (to be stored below) + then + + \ now we'll store the new toggle state (on top of stack) + over toggle_stateN ! +; + +: cycle_menuitem ( N -- N ) \ cycles through array of choices for a menuitem + + \ ASCII numeral equal to user-selected menu item must be on the stack. + \ We do not modify the stack, so the ASCII numeral is left on top. + + dup cycle_stateN dup @ 1+ \ get value and increment + + \ Before assigning the (incremented) value back to the pointer, + \ let's test for the existence of this particular array element. + \ If the element exists, we'll store index value and move on. + \ Otherwise, we'll loop around to zero and store that. + + dup 48 + ( n addr k -- n addr k k' ) + \ duplicate array index and convert to ASCII numeral + + 3 pick swap ( n addr k k' -- n addr k n k' ) \ (n,k') as (x,y) + loader_color? if + ansi_caption[x][y] + else + menu_caption[x][y] + then + ( n addr k n k' -- n addr k c-addr/u ) + + \ Now test for the existence of our incremented array index in the + \ form of $menu_caption[x][y] ($ansi_caption[x][y] with loader_color + \ enabled) as set in loader.rc(5), et. al. + + getenv dup -1 = if + \ No caption set for this array index. Loop back to zero. + + drop ( n addr k -1 -- n addr k ) \ getenv cruft + drop 0 ( n addr k -- n addr 0 ) \ new value to store later + + 2 pick [char] 0 ( n addr 0 -- n addr 0 n 48 ) \ (n,48) as (x,y) + loader_color? if + ansi_caption[x][y] + else + menu_caption[x][y] + then + ( n addr 0 n 48 -- n addr 0 c-addr/u ) + getenv dup -1 = if + \ Highly unlikely to occur, but to ensure things move + \ along smoothly, allocate a temporary NULL string + drop ( cruft ) s" " + then + then + + \ At this point, we should have the following on the stack (in order, + \ from bottom to top): + \ + \ n - Ascii numeral representing the menu choice (inherited) + \ addr - address of our internal cycle_stateN variable + \ k - zero-based number we intend to store to the above + \ c-addr/u - string value we intend to store to menu_caption[x] + \ (or ansi_caption[x] with loader_color enabled) + \ + \ Let's perform what we need to with the above. + + \ Assign array value text to menu caption + 4 pick ( n addr k c-addr/u -- n addr k c-addr/u n ) + loader_color? if + ansi_caption[x] + else + menu_caption[x] + then + setenv + + swap ! ( n addr k -- n ) \ update array state variable +; + +only forth definitions also menu-infrastructure + \ Erase and redraw the menu. Useful if you change a caption and want to \ update the menu to reflect the new value. \ @@ -1013,6 +1039,8 @@ create kernelsbuf 256 allot 0 25 at-xy \ Move cursor to the bottom for output ; +also menu-namespace + \ Main function. Call this from your `loader.rc' file. \ : menu-display ( -- ) @@ -1234,6 +1262,8 @@ create kernelsbuf 256 allot 0 menuoptions ! ; +only forth definitions also menu-infrastructure + \ This function both unsets menu variables and visually erases the menu area \ in-preparation for another menu. \ @@ -1244,6 +1274,8 @@ create kernelsbuf 256 allot bullet menubllt ! +also menu-namespace + \ Initialize our menu initialization state variables 0 init_state1 ! 0 init_state2 ! @@ -1283,3 +1315,5 @@ bullet menubllt ! 0 init_text6 c! 0 init_text7 c! 0 init_text8 c! + +only forth definitions |
