Subversion Repositories Kolibri OS

;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;;

;; Copyright (C) KolibriOS team 2004-2009. All rights reserved. ;;

;; Distributed under terms of the GNU General Public License    ;;

;; Distributed under terms of the GNU General Public License    ;;

;;                                                              ;;

;;                                                              ;;

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$Revision: 2129 $

$Revision: 2218 $

proc map_io_mem stdcall, base:dword, size:dword, flags:dword

proc map_io_mem stdcall, base:dword, size:dword, flags:dword

           push ebx

           push ebx

           push edi

           push edi

           mov eax, [size]

           add eax, [base]

           add eax, 4095

           add eax, 4095

           and eax, -4096

           sub eax, ecx

           mov [size], eax

           stdcall alloc_kernel_space, eax

           stdcall alloc_kernel_space, eax

           test eax, eax

           test eax, eax

           jz .fail

           jz .fail

           shr ecx, 12

           shr ecx, 12

           and edx, -4096

           and edx, -4096

           or edx, [flags]

           or edx, [flags]

@@:

@@:

           mov [page_tabs+eax*4], edx

           mov [page_tabs+eax*4], edx

           invlpg [ebx]

           invlpg [ebx]

           inc eax

           inc eax

           add ebx, edi

           add ebx, edi

           add edx, edi

           add edx, edi

           loop @B

           loop @B