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Rev 820 Rev 1448
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License    ;;
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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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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision: 820 $
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$Revision: 1448 $
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int13_call:
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int13_call:
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; Because this code uses fixed addresses,
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; Because this code uses fixed addresses,
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; it can not be run simultaniously by many threads.
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; it can not be run simultaniously by many threads.
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; In current implementation it is protected by common mutex 'hd1_status'
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; In current implementation it is protected by common mutex 'hd1_status'
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        mov     word [BOOT_VAR + 510h], 10h             ; packet length
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        mov     word [OS_BASE + 510h], 10h             ; packet length
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        mov     word [BOOT_VAR + 512h], cx              ; number of sectors
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        mov     word [OS_BASE + 512h], cx              ; number of sectors
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        mov     dword [BOOT_VAR + 514h], 9A000000h      ; buffer 9A00:0000
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        mov     dword [OS_BASE + 514h], 9A000000h      ; buffer 9A00:0000
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        mov     dword [BOOT_VAR + 518h], eax
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        mov     dword [OS_BASE + 518h], eax
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        and     dword [BOOT_VAR + 51Ch], 0
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        and     dword [OS_BASE + 51Ch], 0
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        push    ebx ecx esi edi
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        push    ebx ecx esi edi
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        mov     ebx, int13_regs_in
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        mov     ebx, int13_regs_in
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        mov     edi, ebx
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        mov     edi, ebx
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        mov     ecx, v86_regs.size/4
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        mov     ecx, v86_regs.size/4
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        mov     esi, [sys_v86_machine]
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        mov     esi, [sys_v86_machine]
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        mov     ecx, 0x502
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        mov     ecx, 0x502
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        call    v86_start
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        call    v86_start
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        and     [bios_hdpos], 0
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        and     [bios_hdpos], 0
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        pop     edi esi ecx ebx
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        pop     edi esi ecx ebx
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        movzx   edx, byte [BOOT_VAR + 512h]
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        movzx   edx, byte [OS_BASE + 512h]
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        test    byte [int13_regs_out+v86_regs.eflags], 1
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        test    byte [int13_regs_out+v86_regs.eflags], 1
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        jnz     @f
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        jnz     @f
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        mov     edx, ecx
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        mov     edx, ecx
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@@:
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@@:
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        ret
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        ret