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1159 hidnplayr 1 
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;                                                              ;;
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;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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;;                                                              ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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1206 hidnplayr 8 
$Revision: 1206 $
1159 hidnplayr 9 
 
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; READ RAMDISK IMAGE FROM HD
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        cmp   [boot_dev+OS_BASE+0x10000],1
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        jne   no_sys_on_hd
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        test  [DRIVE_DATA+1],byte 0x40
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        jz    position_2
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x0
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        mov   [hdpos],1
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        mov   [fat32part],0
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  position_1_1:
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        inc   [fat32part]
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        movzx eax,byte [DRIVE_DATA+2]
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        cmp   [fat32part],eax
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        jle     position_1_1
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  position_2:
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        test  [DRIVE_DATA+1],byte 0x10
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        jz    position_3
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        mov   [hdbase],0x1f0
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        mov   [hdid],0x10
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        mov   [hdpos],2
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        mov   [fat32part],0
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  position_2_1:
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        inc   [fat32part]
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        movzx eax,byte [DRIVE_DATA+3]
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        cmp   eax,[fat32part]
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        jle     position_2_1
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  position_3:
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        test  [DRIVE_DATA+1],byte 0x4
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        jz    position_4
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        mov   [hdbase],0x170
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        mov   [hdid],0x0
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        mov   [hdpos],3
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        mov   [fat32part],0
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  position_3_1:
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        inc   [fat32part]
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        movzx eax,byte [DRIVE_DATA+4]
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        cmp   eax,[fat32part]
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        jle     position_3_1
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  position_4:
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        test  [DRIVE_DATA+1],byte 0x1
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        jz    no_sys_on_hd
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        mov   [hdbase],0x170
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        mov   [hdid],0x10
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        mov   [hdpos],4
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        mov   [fat32part],0
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  position_4_1:
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        inc   [fat32part]
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        call  search_and_read_image
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        cmp   [image_retrieved],1
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        je    yes_sys_on_hd
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        movzx eax,byte [DRIVE_DATA+5]
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        cmp   eax,[fat32part]
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        jle     position_4_1
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        jmp   yes_sys_on_hd
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  search_and_read_image:
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        call  set_FAT32_variables
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        mov   edx, bootpath
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        call  read_image
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        test  eax, eax
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        jz   image_present
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        mov   edx, bootpath2
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        call  read_image
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        test  eax, eax
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        jz   image_present
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        ret
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    image_present:
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        mov   [image_retrieved],1
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        ret
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read_image:
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        mov   eax, hdsysimage+OS_BASE+0x10000
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        mov   ebx, 1474560/512
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        mov   ecx, RAMDISK
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        mov   esi, 0
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        mov   edi, 12
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        call  file_read
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        ret
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image_retrieved  db 0
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counter_of_partitions db 0
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no_sys_on_hd:
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        ; test_to_format_ram_disk (need if not using ram disk)
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        cmp   [boot_dev+OS_BASE+0x10000],3
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        jne not_format_ram_disk
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        ; format_ram_disk
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        mov edi, RAMDISK
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        mov ecx, 0x1080
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        xor eax,eax
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@@:
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		stosd
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        loop @b
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        mov ecx, 0x58F7F
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        mov eax,0xF6F6F6F6
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@@:
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		stosd
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        loop @b
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        mov [RAMDISK+0x200],dword 0xFFFFF0		; fat table
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        mov [RAMDISK+0x4200],dword 0xFFFFF0
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not_format_ram_disk:
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yes_sys_on_hd: