mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-29 17:59:50 +03:00
103 lines
2.9 KiB
PHP
103 lines
2.9 KiB
PHP
$Revision: 431 $
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
;; ;;
|
|
;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
|
|
;; Distributed under terms of the GNU General Public License ;;
|
|
;; ;;
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
|
|
; READ RAMDISK IMAGE FROM HD
|
|
|
|
cmp [boot_dev+OS_BASE+0x10000],1
|
|
jne no_sys_on_hd
|
|
|
|
test [DRIVE_DATA+1],byte 0x40
|
|
jz position_2
|
|
mov [hdbase],0x1f0
|
|
mov [hdid],0x0
|
|
mov [hdpos],1
|
|
mov [fat32part],0
|
|
position_1_1:
|
|
inc [fat32part]
|
|
call search_and_read_image
|
|
cmp [image_retrieved],1
|
|
je yes_sys_on_hd
|
|
movzx eax,byte [DRIVE_DATA+2]
|
|
cmp [fat32part],eax
|
|
jle position_1_1
|
|
position_2:
|
|
test [DRIVE_DATA+1],byte 0x10
|
|
jz position_3
|
|
mov [hdbase],0x1f0
|
|
mov [hdid],0x10
|
|
mov [hdpos],2
|
|
mov [fat32part],0
|
|
position_2_1:
|
|
inc [fat32part]
|
|
call search_and_read_image
|
|
cmp [image_retrieved],1
|
|
je yes_sys_on_hd
|
|
movzx eax,byte [DRIVE_DATA+3]
|
|
cmp eax,[fat32part]
|
|
jle position_2_1
|
|
position_3:
|
|
test [DRIVE_DATA+1],byte 0x4
|
|
jz position_4
|
|
mov [hdbase],0x170
|
|
mov [hdid],0x0
|
|
mov [hdpos],3
|
|
mov [fat32part],0
|
|
position_3_1:
|
|
inc [fat32part]
|
|
call search_and_read_image
|
|
cmp [image_retrieved],1
|
|
je yes_sys_on_hd
|
|
movzx eax,byte [DRIVE_DATA+4]
|
|
cmp eax,[fat32part]
|
|
jle position_3_1
|
|
position_4:
|
|
test [DRIVE_DATA+1],byte 0x1
|
|
jz no_sys_on_hd
|
|
mov [hdbase],0x170
|
|
mov [hdid],0x10
|
|
mov [hdpos],4
|
|
mov [fat32part],0
|
|
position_4_1:
|
|
inc [fat32part]
|
|
call search_and_read_image
|
|
cmp [image_retrieved],1
|
|
je yes_sys_on_hd
|
|
movzx eax,byte [DRIVE_DATA+5]
|
|
cmp eax,[fat32part]
|
|
jle position_4_1
|
|
jmp yes_sys_on_hd
|
|
|
|
search_and_read_image:
|
|
call set_FAT32_variables
|
|
mov edx, bootpath
|
|
call read_image
|
|
test eax, eax
|
|
jz image_present
|
|
mov edx, bootpath2
|
|
call read_image
|
|
test eax, eax
|
|
jz image_present
|
|
ret
|
|
image_present:
|
|
mov [image_retrieved],1
|
|
ret
|
|
|
|
read_image:
|
|
mov eax, hdsysimage+OS_BASE+0x10000
|
|
mov ebx, 1474560/512
|
|
mov ecx, RAMDISK
|
|
mov esi, 0
|
|
mov edi, 12
|
|
call file_read
|
|
ret
|
|
|
|
image_retrieved db 0
|
|
counter_of_partitions db 0
|
|
no_sys_on_hd:
|
|
yes_sys_on_hd:
|