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Rev 3827 Rev 4237
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;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2012. 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: 3827 $
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$Revision: 4237 $
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        push    esi
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        push    esi
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        push    edi
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        push    edi
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        push    ebx
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        push    ebx
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        lea     eax, [attr]
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        lea     eax, [attr]
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        stdcall get_fileinfo, [file_name], eax   ;find file and get info
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        stdcall get_fileinfo, [file_name], eax   ;find file and get info
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        cmp     dword [eax], 0x4B43504B          ; check kpack signature
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        cmp     dword [eax], 0x4B43504B          ; check kpack signature
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        jne     .raw_file
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        jne     .raw_file
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        mov     ebx, [eax+4]                     ;get real size of file
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        mov     ebx, [eax+4]                     ;get real size of file
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        mov     [file_size], ebx
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        mov     [file_size], ebx
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        stdcall user_alloc, ebx                  ;and allocate memory from user heap
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        stdcall user_alloc, ebx                  ;and allocate space from user heap
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        mov     [um_file], eax
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        mov     [um_file], eax
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        test    eax, eax
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        test    eax, eax
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        jz      .err_2
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        mov     edx, [file_size]                 ;preallocate page memory
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        shr     eax, 10
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        lea     edi, [page_tabs+eax]
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        add     edx, 4095
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        shr     edx, 12
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@@:
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        call    alloc_page
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        test    eax, eax
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        jz      .err_3
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        or      eax, PG_UW
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        stosd
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        dec     edx
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        jz      .err_2
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        jnz     @B
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        pushad
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        pushad
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        mov     ecx, unpack_mutex
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        mov     ecx, unpack_mutex
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        call    mutex_unlock
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        call    mutex_unlock
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        popad
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        popad
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        stdcall kernel_free, [km_file]           ;we don't need packed file anymore
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        stdcall kernel_free, [km_file]           ;we don't need packed file anymore
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.exit:
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        mov     edi, [um_file]
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        mov     esi, [um_file]
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        mov     eax, [file_size]
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        mov     edx, eax
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        add     edi, eax                         ;cleanup remain space
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        mov     ecx, 4096                        ;from file end
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        and     eax, 4095
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        jz      @f
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        sub     ecx, eax
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        xor     eax, eax
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        cld
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        rep stosb
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.exit:
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@@:
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        mov     eax, [um_file]
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        mov     edx, [file_size]
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        mov     eax, [um_file]
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        pop     ebx
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        pop     ebx
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        pop     edi
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        pop     edi
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        pop     esi
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        ret
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        pop     esi
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        ret
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.raw_file:                                       ; sometimes we load unpacked file
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.raw_file:                                       ; sometimes we load unpacked file
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        cld
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        cld
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@@:
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        lodsd
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        lodsd
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        and     eax, 0xFFFFF000
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        and     eax, 0xFFFFF000
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        or      eax, PG_USER
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        or      eax, PG_UW
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        stosd
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        stosd
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        loop    @B
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        loop    @B
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        stdcall free_kernel_space, [km_file]     ; release allocated kernel space
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        stdcall free_kernel_space, [km_file]     ; release allocated kernel space
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        jmp     .exit                            ; physical pages still in use
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        jmp     .exit                            ; physical pages still in use
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.err_3:
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        stdcall user_free, [um_file]
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.err_2:
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.err_2:
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        stdcall kernel_free, [km_file]
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        stdcall kernel_free, [km_file]
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.err_1:
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.err_1: