1
0
kolibrios/programs/system/launcher/trunk/launcher.asm
CleverMouse 8222dd469c launcher: quoted parameters; allow tabs in place of spaces
git-svn-id: svn://kolibrios.org@1999 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-07-07 14:10:49 +00:00

260 lines
4.7 KiB
NASM
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

;
; LAUNCHER - €Ž‡€<E280A1>Š <20><>Žƒ<C5BD>€ŒŒ
; Š®¤ ¯à®£à ¬¬ë ᮢᥬ ­¥ ®¯â¨¬¨§¨à®¢ ­, ­® ®ç¥­ì ¯à®áâ ¤«ï ¯®­¨¬ ­¨ï.
; <20>â®â « ã­ç¥à £à㧨⠨­ä®à¬ æ¨î ® ¯à®£à ¬¬ å ¤«ï § ¯ã᪠ ¨§ ä ©« 
; AUTORUN.DAT. ”®à¬ â ®ç¥­ì ¯à®áâ ¨ ¢ ª®¬¬¥­â à¨ïå ­¥ ­ã¦¤ ¥âáï.
;
; Š®¬¯¨«¨àã©â¥ á ¯®¬®éìî FASM 1.52 ¨ ¢ëè¥
;
include "../../../macros.inc"
use32
org 0x0
db 'MENUET01' ; 8 byte id
dd 0x01 ; header version
dd START ; start of code
dd I_END ; size of image
dd 0x8000 ; memory for app
dd 0x8000 ; esp
dd 0x0 , 0x0 ; I_Param , I_Icon
;include "DEBUG.INC"
START: ; start of execution
; mov eax, 5
; mov ebx, 10
; mcall
; mcall 18,15
mov eax, 70 ; load AUTORUN.DAT
mov ebx, autorun_dat_info
mcall
add ebx, file_data
mov [fileend], ebx
; this cycle does not contain an obvious exit condition,
; but auxiliary procedures (like "get_string") will exit
; at EOF
start_program:
call skip_spaces
cmp al,'#'
jz skip_this_string
call clear_strings
mov edi, program
call get_string
mov edi, parameters
call get_string
call get_number
;dps <"STARTING A PROGRAM",13,10>
call run_program
skip_this_string:
call next_line
jmp start_program
exit:
or eax, -1
mcall
run_program: ; time to delay in eax
push eax
mcall 70, start_info
pop ebx
; if delay is negative, wait for termination
; of the spawned process
test ebx, ebx
js must_wait_for_termination
; otherwise, simply wait
mov eax, 5
mcall
ret
must_wait_for_termination:
mov esi, eax ; save slot for the future
; get process slot
mov ecx, eax
mcall 18, 21
; if an error has occured, exit
test eax, eax
jz child_exited
mov ecx, eax
; wait
wait_for_termination:
mcall 5, 1
mov ebx, processinfo
mcall 9
cmp word [ebx+50], 9 ; the slot was freed?
jz child_exited
cmp dword [ebx+30], esi ; the slot is still occupied by our child?
jz wait_for_termination
child_exited:
ret
clear_strings: ; clears buffers
pushad
mov ecx, 60
mov edi, program
xor al, al ;mov al, ' '
rep stosb
mov ecx, 60
mov edi, parameters
rep stosb
popad
ret
get_string: ; pointer to destination buffer in edi
pushad
call skip_spaces
mov esi, [position]
;dpd esi
;dps <13,10>
add esi, file_data
cmp byte [esi], '"'
jz .quoted
.start:
cmp esi, [fileend]
jae exit
lodsb
cmp al, ' '
jbe .finish
stosb
inc [position]
jmp .start
.finish:
popad
ret
.quoted:
inc esi
inc [position]
.quoted.start:
cmp esi, [fileend]
jae exit
lodsb
inc [position]
cmp al, '"'
je .finish
stosb
jmp .quoted.start
get_number:
push ebx esi
call skip_spaces
mov esi, [position]
add esi, file_data
xor eax, eax
cmp byte [esi], '-'
jnz @f
inc eax
inc esi
inc [position]
@@:
push eax
xor eax, eax
xor ebx, ebx
.start:
cmp esi, [fileend]
jae .finish
lodsb
sub al, '0'
cmp al, 9
ja .finish
lea ebx,[ebx*4+ebx]
lea ebx,[ebx*2+eax]
inc [position]
jmp .start
.finish:
pop eax
dec eax
jnz @f
neg ebx
@@:
mov eax, ebx
pop esi ebx
ret
skip_spaces:
push esi
xor eax, eax
mov esi, [position]
add esi, file_data
.start:
cmp esi, [fileend]
jae .finish
lodsb
cmp al, ' '
ja .finish
inc [position]
jmp .start
.finish:
;dps "NOW AL = "
;mov [tmp],al
;mov edx, tmp
;call debug_outstr
;dps <13,10>
pop esi
ret
next_line:
mov esi, [position]
add esi, file_data
.start:
cmp esi, [fileend]
jae exit
lodsb
cmp al, 13
je .finish
cmp al, 10
je .finish
inc [position]
jmp .start
.finish:
inc [position]
cmp esi, [fileend]
jae exit
lodsb
cmp al, 13
je .finish
cmp al, 10
je .finish
ret
; DATA:
position dd 0 ; position in file
autorun_dat_info: ; AUTORUN.DAT
.mode dd 0 ; read file
.start_block dd 0 ; block to read
dd 0
.blocks dd 16*512 ; 16*512 bytes max
.address dd file_data
db "AUTORUN.DAT",0
start_info:
.mode dd 7
dd 0
.params dd parameters
dd 0
dd 0
.path: ;      
I_END:
program rb 61 ; 60 + [0] char
parameters rb 61
processinfo rb 1024
fileend dd ?
file_data rb 16*512