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Regard whitespace Rev 1065 → Rev 1151

/kernel/trunk/sec_loader/trunk/loader.asm
1,4 → 1,4
; Copyright (c) 2009, <Lrz>
; Copyright (c) 2008-2009, <Lrz>
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
12,7 → 12,7
; 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 aka <Lrz> ''AS IS'' AND ANY
; 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
25,94 → 25,20
;*****************************************************************************
 
;start of the project 13.02.2008 year.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;Secondary Loader copyright Alexey Teplov aka <Lrz> & K Soft team
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;Secondary Loader copyright Alexey Teplov nickname <Lrz>
;if you need log preproc
;/////////////
;include 'listing.inc'
;enable listing
;////////////
;;;;;;;;;;;;;;;;;;;;;;;;;;
;start of code:
;;;;;;;;;;;;;;;
DEBUG equ 1
root_dir_entry_count equ 224 ;êîë-âî ýëåìåíòîâ â êîðíåâîé äèððåêòîðèè
;point_to_fat_struc equ 0xA000 ;âðåìåííûé áóôåð, êóäà áóäåò ðàçìåùåíà Fat òàáëèöà, è çàòåì ïåðåíåñåíà çà 1 ìá
ini_data_ equ 0x2000 ;ôàéë ãäå ðàçìåùåí ôàéë ñöåíàðèÿ çàãðóçêè, òàì ïðîèñõîäèò ñèíòàêñè÷åñêèé ðàçáîð
size_show_section equ 18
default_timeout_value equ 5 ;default value to timeout is will was some errors
flag_found_default equ 0x1 ;default value is found
flag_found_timeout equ 0x2 ;timeout value is found
flag_found_LM equ 0x1 ;found LM value
flag_found_RS equ 0x2 ;found RS value
flag_found_GTRFMS equ 0x4 ;found type RamFS
flag_found_RamdiskSector equ 0x8 ;found RamdiskSector
flag_found_RamdiskCluster equ 0x16 ;found RamdiskCluster
;statick data ýòè äàííûå íå ïðåäîïðåäåëÿþòñÿ â òå÷åíèè âûïîëíåíèÿ âñåé ïðîãðàììû.
save_cx equ word [bp-2] ;save cx size ini file
ret_on_ch equ word [bp-4] ;point to return ðàçðóøàåìîå çíà÷åíèå
save_cx_d equ word [bp-6] ;save cx - size default section and working section
status_flag equ word [bp-8] ;status flag
point_loader equ word [bp-10]
point_default equ word [bp-12] ;point to default
 
;äàííûå êîòîðûå çàâèñèìû îò âåòêè âûïîëíåíèÿ è êîòîðûå ìîãóò áûòü ïåðåîïðåäåëåíû â ïðîöåññå âûïîëíåíèÿ ïðîãðàììû.
point_to_hframe equ word [bp-14] ;point on start frame (for change section)
point_to_1 equ word [bp-16]
point_to_2 equ word [bp-18]
point_to_3 equ word [bp-20]
point_to_4 equ word [bp-22]
point_to_5 equ word [bp-24]
point_to_6 equ word [bp-26]
point_to_7 equ word [bp-28]
point_to_8 equ word [bp-30]
point_to_9 equ word [bp-32]
point_to_10 equ word [bp-34]
point_to_11 equ word [bp-36]
point_to_12 equ word [bp-38]
point_to_13 equ word [bp-40]
point_to_14 equ word [bp-42]
point_to_15 equ word [bp-44]
point_to_16 equ word [bp-46]
point_to_16 equ word [bp-48]
point_to_17 equ word [bp-50]
point_to_18 equ word [bp-52]
;here array for fast scroling 16 word - poin to start section
point_to_point_def equ word [bp-54]
point_to_eframe equ word [bp-56] ;point on point frame
 
 
 
; òóò ðàñïîëîæåíî âðåìåííîå õðàíèëèùå äëÿ cx è di ïðè ïåðåõîäå íà ñëåäóþùèé áóôåð ïðè ïîèñêå ñåêöèé
find_sec_di equ word [bp-58] ;òóò áóäåò õðàíèòüñÿ di
info_real_mode_size equ word [bp-60];òóò õðàíèòüñÿ èíôîðìàöèÿ î çàíÿòîé îáëàñòè ò.å. ðàçìåð, ìîæíî óçíàòü ñêîëüêî îñòàëîñü ìåñòà âû÷èñëèâ
free_ad_memory equ word [bp-62] ;ñêîëüêî ó íàñ ðàñøèðåííîé ïàìÿòè äëÿ ôîðìèðîâàíèÿ ðàì äèñêà è çàãðóçêè ìîäóëåé
show_errors_sect equ word [bp-64] ;ïåðåìåíàÿ êîòîðàÿ õðàíèò áèòû îøèáîê äëÿ êàæäîé ëîãè÷åñêîé ñåêöèè.
save_descript_size equ word [bp-66] ;save descript size previos section ñîõðàíèì ðàçìåð ïðåäûäóùåé ñåêöèè êîòîðóþ âûâîäèëè
save_ramdisksize equ dword [bp-70] ;save size of ramdisk in byte
save_file_size equ dword [bp-74] ;save size of reading file
set_ramfs equ word [bp-76] ;îïðåäåëåííûé òèï ôàéëîâîé ñèñòåìû,íóæíî äëÿ ôîðìèðîâàíèÿ ðàì äèñêà
point_next_fat_str equ word [bp-78] ;óêàçàòåëü íà ñëåäóþùèé ýëåìåíò fat òàáëèöû
size_root_dir equ word [bp-80] ;êîë-âî ýëåìåíòîâ â ñåêòîðàõ ïî 512 áàéò êîðíåâîé äèðåêòîðèè
firstDataSect equ word [bp-82] ;ïåðâûé ñåêòîð äàííûõ â ñåòîðàõ îò 0
DataClasters equ word [bp-84] ;ðàçìåð ìàññèâà äîñòóïíîé äëÿ çàïèñè äàííûõ â êëàñòåðàõ.
point_to_free_root equ word [bp-86] ;óêàçàòåëü íà ñëåäóþùèé ïóñòóþ çàïèñü â ðóò äèð
point_to_dest_file_name equ word [bp-88] ;óêàçûâàåò íà íà÷àëî èìåíè ôàéëà íàçíà÷åíèÿ.
data_offset equ word [bp-90] ;ñìåùåíèå â êëàñòåðàõ äëÿ çàïèñàííûõ äàííûõ ò.å ïåðåêèíóòûõ çà 1-é ìá
first_input equ word [bp-92] ;ïîëå äëÿ ôëàãîâ â ïðåîáðàçîâàíèè èìåíè.
save_di_RAMDISK equ word [bp-94] ;ñîõðàíèì di -óêàçàòåëÿ ïðè îáðàáîòêå ñåêöèè
save_cx_RAMDISK equ word [bp-96] ;ñîõðàíèì ðàçìåð îñòàòêà ñåêöèè
status_flag_loader_f equ word [bp-98] ;ñîõðàíèì ðåçóëüòàò âûïîëåíåíèÿ çàãðóçêè ôàéëà
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;äàííûå êîòîðûå èñïîëüçóþòñÿ ïðè îáðàáîòêå ñåêöèè, ò.å. ïîñëå íàæàòèÿ Enter, óæå íå âîçìîæíî âåðíóòüñÿ â ïåðâîíà÷àëüíûé ýêðàí
;äëÿ âîçâðàòà, íåîáõîäèìî ïåðåçàïóñòèòü ïîëíîñòüþ êîä ò.å. ñòàðòîâàòü ñ 0õ1000:0000
 
 
 
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;start of code: ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
use16
org 0x0
jmp start
include 'sl_equ.inc' ; â ôàéëå ðàçìåùåíû âñå equ ïðåäîïðåäåëåíèÿ
include 'boot_st.inc'
include 'debug_msg.inc' ;here is message from debug
include 'parse_dat.inc'
165,6 → 91,18
call putchar
loop @b
 
if DEBUG
pushad
mov ax,cs
shl eax,4 ; â äåñÿòè÷íîé ñèñòåìå àäðåñ ñåãìåíòà
mov cx,0xa
mov di,cseg_msg
call decode
;***************
mov si,cseg_msg
call printplain
popad
end if
 
 
if DEBUG
216,11 → 154,27
; set up esp
movzx esp, sp
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; init memory
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 
 
 
;Load startos.ini
xor ax,ax ; function 1 - read file
mov cx,loop_read_startos_file ;êîë-âî ïîïûòîê ÷òåíèÿ ôàéëà êîíôèãóðàöèè startos.ini
align 4
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Load startos.ini ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
load_startos_file:
 
xor ax,ax
mov di,file_data
inc ax
inc ax ;function 1 - read file
push cx
call far dword [loader_callback]
pop cx
push cs
push cs
pop ds
227,29 → 181,10
pop es
 
test bx,bx
jnz error_ini
jz check_conf_file
dec cx
jnz load_startos_file
 
;Check config file in current dir
push ax ;save size file
if DEBUG
mov cx,0x0a
mov di,show_decode
call decode
;Show size
mov si,show_string
call printplain
end if
 
 
;Show message
mov si,load_ini
call printplain
 
pop cx ;restore size file
use_parse ;parsing startos.ini
;
jmp ini_loaded
 
;SET DEFAULT Not use ini file
error_ini:
mov si, error_ini_f1 ;Error: cannot load ini file, buffer is full
268,7 → 203,7
mov si, error_ini_common
call printplain
; wait for keypress
mov ah, 0
xor ax,ax
int 16h
 
ini_loaded:
275,14 → 210,34
 
jmp $
 
align 4
check_conf_file:
;Check config file in current dir
push ax ;save size file
if DEBUG
mov cx,0x0a
mov di,show_decode
call decode
;Show size
mov si,show_string
call printplain
end if
 
 
;Show message
mov si,load_ini
call printplain
 
pop cx ;restore size file
use_parse ;parsing startos.ini
;
jmp ini_loaded
 
;;;;;;;;;;;;;;;;;;;;;;;;;;;
;DATA
;;;;;;;;;;;;;;;;;;;;;;;;;;;
; table for move to extended memory (int 15h, ah=87h)
align 8
align 4
table_15_87:
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
db 0x00,0x00,0x0,0x00,0x00,0x00,0x0,0x0
345,7 → 300,7
;Òóò áóäóò ðàñïîëîãàòñüÿ äàííûå, êîòîðûå çàòðóäíèòåëüíî ðàñïîëîãàòü â ñòåêîâîé îáëàñòè....
;;;
;timer
shot_name_fat rb 11
shot_name_fat rb 11 ;âðåìåííûé áóôåð äëÿ fat12, â íåì õðàíÿòüñÿ èìåíà ôàéëîâ ïðèâåäåííûå ê ïðàâèëàì FAT /* âäàëüíåéøåì ïåðåíåñòè â ñòýê
if DEBUG
rb 1 ;íóæåí äëÿ îòëàäêè è âûâîäà èìåíè ôàéëà ïîñëå ïðåîáðàçîâàíèÿ
dest_name_fat rb 12