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/kernel/branches/kolibri_pe/detect/sear_par.inc
0,0 → 1,153
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
$Revision$
 
 
;****************************************************
; ïîèñê ëîãè÷åñêèõ äèñêîâ íà îáíàðóæåííûõ HDD
; è çàíåñåíèå äàííûõ â îáëàñòü òàáëèöû
; àâòîð Mario79
;****************************************************
mov [transfer_adress],DRIVE_DATA+0xa
search_partitions_ide0:
test [DRIVE_DATA+1],byte 0x40
jz search_partitions_ide1
mov [hdbase],0x1f0
mov [hdid],0x0
mov [hdpos],1
mov [fat32part],1
search_partitions_ide0_1:
call set_FAT32_variables
cmp [problem_partition],0
jne search_partitions_ide1
inc byte [DRIVE_DATA+2]
call partition_data_transfer
add [transfer_adress],100
inc [fat32part]
jmp search_partitions_ide0_1
 
search_partitions_ide1:
test [DRIVE_DATA+1],byte 0x10
jz search_partitions_ide2
mov [hdbase],0x1f0
mov [hdid],0x10
mov [hdpos],2
mov [fat32part],1
search_partitions_ide1_1:
call set_FAT32_variables
cmp [problem_partition],0
jne search_partitions_ide2
inc byte [DRIVE_DATA+3]
call partition_data_transfer
add [transfer_adress],100
inc [fat32part]
jmp search_partitions_ide1_1
 
search_partitions_ide2:
test [DRIVE_DATA+1],byte 0x4
jz search_partitions_ide3
mov [hdbase],0x170
mov [hdid],0x0
mov [hdpos],3
mov [fat32part],1
search_partitions_ide2_1:
call set_FAT32_variables
cmp [problem_partition],0
jne search_partitions_ide3
inc byte [DRIVE_DATA+4]
call partition_data_transfer
add [transfer_adress],100
inc [fat32part]
jmp search_partitions_ide2_1
 
search_partitions_ide3:
test [DRIVE_DATA+1],byte 0x1
jz end_search_partitions_ide
mov [hdbase],0x170
mov [hdid],0x10
mov [hdpos],4
mov [fat32part],1
search_partitions_ide3_1:
call set_FAT32_variables
cmp [problem_partition],0
jne end_search_partitions_ide
inc byte [DRIVE_DATA+5]
call partition_data_transfer
add [transfer_adress],100
inc [fat32part]
jmp search_partitions_ide3_1
 
end_search_partitions_ide:
mov [hdpos], 80h
mov ecx, [NumBiosDisks]
test ecx, ecx
jz end_search_partitions
start_search_partitions_bd:
push ecx
mov eax, [hdpos]
and [BiosDiskPartitions+(eax-80h)*4], 0
mov [fat32part], 1
search_partitions_bd:
call set_FAT32_variables
cmp [problem_partition], 0
jne end_search_partitions_bd
mov eax, [hdpos]
inc [BiosDiskPartitions+(eax-80h)*4]
call partition_data_transfer
add [transfer_adress], 100
inc [fat32part]
jmp search_partitions_bd
end_search_partitions_bd:
pop ecx
inc [hdpos]
loop start_search_partitions_bd
jmp end_search_partitions
 
partition_data_transfer:
mov edi,[transfer_adress]
mov esi,PARTITION_START
mov ecx,(file_system_data_size+3)/4
rep movsd
ret
uglobal
transfer_adress dd 0
endg
partition_data_transfer_1:
; cli
push edi
mov edi,PARTITION_START
mov esi,[transfer_adress]
mov ecx,(file_system_data_size+3)/4
rep movsd
pop edi
; sti
ret
 
end_search_partitions:
 
;PARTITION_START dd 0x3f
;PARTITION_END dd 0
;SECTORS_PER_FAT dd 0x1f3a
;NUMBER_OF_FATS dd 0x2
;SECTORS_PER_CLUSTER dd 0x8
;BYTES_PER_SECTOR dd 0x200 ; Note: if BPS <> 512 need lots of changes
;ROOT_CLUSTER dd 2 ; first rootdir cluster
;FAT_START dd 0 ; start of fat table
;ROOT_START dd 0 ; start of rootdir (only fat16)
;ROOT_SECTORS dd 0 ; count of rootdir sectors (only fat16)
;DATA_START dd 0 ; start of data area (=first cluster 2)
;LAST_CLUSTER dd 0 ; last availabe cluster
;ADR_FSINFO dd 0 ; used only by fat32
;
;fatRESERVED dd 0x0FFFFFF6
;fatBAD dd 0x0FFFFFF7
;fatEND dd 0x0FFFFFF8
;fatMASK dd 0x0FFFFFFF
;
;fat_type db 0 ; 0=none, 16=fat16, 32=fat32
 
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