; Copyright (c) 2009, <Lrz>
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * 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.
; * Neither the name of the <organization> nor the
; names of its contributors may be used to endorse or promote products
; derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY Alexey Teplov nickname <Lrz> ''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 <copyright holder> 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.
;*****************************************************************************
;áëîê ìàêðîñîâ ïî îáðàáîòêå ñåêöèè [loader]
;âõîäíûå äàííûå:
;es:di - óêàçàòåëü íà ñåêöèþ íà÷èíàþùèþñÿ ñ '[' âñòå÷àþùèþñÿ ïîñëå 0õa
;cx - ñ÷åò÷èê êîë-âî áàéò äëÿ ïðîâåðêå â êàäðå
;
macro use_parse_loader
{
.parse_loader:
;//////////////////
;/ parse [loader]
;//////////////////
mov bx,cx ;cîõðàíèì â ðåãèñòðû çíà÷åíèÿ ñ÷åò÷èêà è óêàçàòåëÿ
mov ax,di
; mov word [bp-4],.start ;is alredy set, see up
mov si,parse_loader
mov cx,parse_loader_e - parse_loader
repe cmpsb
jnz error.rest_value ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå ò.å. áóäåì ñíîâà èñêàòü))
;ñîõðàíèì óêàçàòåëüíà loader, ÷òî áû ïîòîì áîëüøå åãî íå èñêàòü
mov point_loader,ax
sub bx,parse_loader_e - parse_loader ;correct cx
add bx,cx
mov cx,bx
if DEBUG
pusha
mov si,lm_l_found
call printplain
popa
end if
;/////////////////end check [loader]. [loader] is found
;parsing section [loader]
;first found end section,let's found '[' -it's start next section
;in previosly steep bx =cx we are not need save cx, save only di - point
mov dx,di
@@:
call get_firs_sym
jcxz .loader_f_end ;.end_loader ; end äàæå åñëè ìû íå íàøëè ñåêöèþ ïðåäïîëîæèì ÷òî ñåêöèÿ [loader] ñòîèò â êîíöå
cmp al,'['
jnz @b
.loader_f_end:
sub bx,cx ;bx = n byte presend in section [loader]
mov di,dx ;restore di
;////////////////parse parametrs in section [loader]
;//timeout=5
;//default=main
; mov di,dx ;set pointer on section [loader] i think it's not need
mov cx,bx ;set counter for parsing section [loader] cx= êîë-âó ñèìâîëîâ â ñåêöèè [loader]
mov ret_on_ch,.get_next_str ; return point
;;;;;;; parse timeout & default
.get_next_str:
call get_firs_sym ;get first symbol on new line
test cx,cx
jz .end_loader
; jcxz .end_loader ;çàâåðøåíèå ïàðñèíãà çíà÷åíèé timeout & default
cmp al,'t'
jz .loader_timeout
cmp al,'d'
jnz .get_next_str
;//////[loader].default
;input di point to data cx=size [loader]
mov bx,cx
mov ax,di
mov si,parse_l_default
mov cx,parse_l_default_e - parse_l_default
repe cmpsb
jnz error.rest_value ;is not compare öåïî÷êà íå ñîâïàëà
sub bx,parse_l_default_e - parse_l_default ;correct cx
add bx,cx
mov cx,bx
test status_flag,flag_found_default
jz .correct_is_not_set
mov si,found_equal_default ;ìû íàøëè ÷òî ôëàã óæå óñòàíîâëåí, èíôîðìèðóåì
call printplain
jmp .get_next_str
.correct_is_not_set:
mov ax,0x3d20 ;cut al=' ' ah='='
repe scasb
test cx,cx
jz .end_loader
cmp ah,byte [es:di-1] ;find '='
jnz .get_next_str
repe scasb ;cut ' '
inc cx
dec di
;ñåé÷àñ es:di óêàçûâàþò íà íàçâàíèå ñåêöèè, èìÿ ñåêöèè ïî äåôîëòó íå äîëæíî áûòü loader ò.å. èíà÷å âîçìîæíî çàöèêëèâàíèå
;óñòàíîâèì óêàçàòåëü si íà ýòî çíà÷åíèå è ñíà÷àëà ïðîâåðèì
;ïîëó÷åíèå äëèííû ñåêöèè
; cx=bx ñîäåðæèò äëèííó îñòàòêà ñåêöèè
; di=ax óêàçàòåëü íà òåêóùèþ ñåêöèþ
mov bx,cx
mov dx,di
@@: mov al,byte [es:di]
inc di
dec cx
test cx,cx
jz error.error_get_size_d_sect ;ïåðåõîä íà îáðàáîòêó îøèáêè ïî íàõîæäåíèþ äëèíû äåôîëòíîé ñåêöèè
cmp al,' '
jz @b
cmp al,0xd
jz .found_size_d_sect
cmp al,0xa
jnz @b
.found_size_d_sect:
;
inc cx ;correct cx
mov ax,bx
sub bx,cx ; â bx äëèíà ñåêöèè êîòîðàÿ îïðåäåëåíà ïî äåôîëòó
mov save_cx_d,bx
mov di,dx
mov cx,bx ;set size default section
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ïðîâåðêà íà =loader
;save in reg point and ñ÷åò÷èê
;check on loader
mov bx,ax
mov ax,dx
mov si,parse_loader
inc si ;set only loader and 6 char in counter
repe cmpsb
jnz .check_section ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå )) çíà÷èò íå èñêëþ÷åíèå
jmp error.default_eq_loader ;error êðèòè÷åñêàÿ îøèáêà ò.å. â äåôîëòå ïðèñóòñòâóåò èìÿ [loader]
.check_section: ;ïîèñê ñîîòâåòñòâóþùåé ñåêöèè íàì íóæíî áóäåò óçíàòü àäðåñ ýòîé ñåêöèè
mov cx,bx
mov di,ax
;/////////////////////////////
; mov ret_on_ch,.start_d ;set return
mov si,di ;óñòàíîâèì óêàçàòåëü íà íàøó ñåêöèþ, êîòîðàÿ ïî äåôîëòó
push di ;save point di
push cx ;save cx
;óñòàíîâèì óêàçàòåëü es:di íà íà÷àëî ini ôàéëà
mov cx,save_cx ;it's placed size of ini file
les di,dword [file_data]
mov al,byte [es:di]
push word .first_ret_d
cmp al,' '
jz .first_sp_1_d
jmp get_firs_sym.not_space
.first_sp_1_d:
jmp get_firs_sym.first_sp
.start_d:
call get_firs_sym ;get first symbol on new line
.first_ret_d: ;ïåðâûé âîçâðàò
jcxz .correct_exit ;.end_loader ;found or not found parametrs in section exit in section
cmp al,'['
jz .found_sect_d
jmp .start_d
;ïðîñìàòðèâàåì ini ôàéë ñ íà÷àëà â ïîèñêàõ ñåêöèè óêàçàíîé êàê default
;èäåò ïðîâåðêà íà íàëè÷åå çíà÷åíèÿ timeout, äëÿ áîëåå áûñòðîé ðàáîòû, ýòîò ïàðàìåòð äîëæåí áûòü óæå îáðàáîòàí,ò.å. â ýòîì ñëó÷àå ïðè åãî =0 áóäåò ñôîðìèðîâàí óêàçàòåëü òîëüêî íà äåôîëòíóþ ñåêöèþ, èíà÷å èíôîðìàöèÿ áóäåò ñîáðàíà ïî âñåì ñåêöèÿì è ñîñòàâëåíû óêàçàòåëè â áëîêå ïàìÿòè
.found_sect_d:
;check on name section
mov bx,cx
mov ax,di
push si ;save point
; mov si,parse_loader
mov cx,save_cx_d ;load size section
push es
pop ds
inc di
repe cmpsb
push cs
pop ds
pop si
jnz .not_compare_d_s ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå )) çíà÷èò íå èñêëþ÷åíèå
cmp byte[es:di],']'
jnz .not_compare_d_s ;íåò â êîíöå íàøåé ñåêöèè çàâåðøàþùåãî ñèìâîëà :(
;set flag -we have found default -not enter again in this prosedure
or status_flag,flag_found_default
pop cx
pop di
mov point_default,ax ;point to [
if DEBUG
pusha
mov si,lm_lf_default_f
call printplain
popa
end if
jmp .get_next_str
.not_compare_d_s:
mov cx,bx
mov di,ax
jmp .start_d
.correct_exit:
pop cx ;âîññòàíîâèì çíà÷åíèå ñ÷åò÷èêà
pop di
if DEBUG
pusha
mov si,lm_lf_default
call printplain
popa
end if
jmp .get_next_str
;//////////[loader].timeout
.loader_timeout:
mov bx,cx
mov ax,di
mov si,parse_l_timeout
mov cx,parse_l_timeout_e - parse_l_timeout
repe cmpsb
jnz error.rest_value ;is not compare
sub bx,parse_l_timeout_e - parse_l_timeout ;correct cx
add bx,cx
mov cx,bx
test status_flag,flag_found_timeout
jz .correct_is_not_set_t
mov si,found_equal_timeout ;ìû íàøëè ÷òî ôëàã óæå óñòàíîâëåí, èíôîðìèðóåì
call printplain
jmp .get_next_str
.correct_is_not_set_t:
mov ax,0x3d20 ;cut al=' ' ah='='
repe scasb
jcxz .timeout_sec_end_d ;not found param timeout
cmp ah,byte [es:di-1] ;find '='
jnz .get_next_str
repe scasb ;cut ' '
inc cx
dec di
;get timeout value
;2 çíàêa ìîæåò áûòü îáðàáîòàíî ò.å. çíà÷åíèå îò 0 äî 99 ñåêóíä
push cx
xor bx,bx
mov cx,2
@@: mov al,byte [es:di]
cmp al,'0'
jb .end_get_val_t
cmp al,'9'
ja .end_get_val_t
imul bx,10
xor al,0x30
add bl,al
.end_get_val_t:
inc di
loop @b
mov word [value_timeout],bx
; pop cx
if DEBUG
pusha
mov si,lm_lf_timeout
call printplain
popa
end if
jmp @f
.timeout_sec_end_d:
mov word [value_timeout],default_timeout_value
mov si,set_default_timeout_val
call printplain
@@: pop cx
jmp .get_next_str
;///////here end block loader
.end_loader:
if DEBUG
pusha
mov si,lm_l_end
call printplain
popa
end if
}