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;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
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;; Copyright (C) KolibriOS team 2004-2014. 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: 5130 $
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$Revision: 5351 $
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; Initializes MTRRs.
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; Initializes MTRRs.
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; 4. If we're using a mode with LFB,
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; 4. If we're using a mode with LFB,
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; get the memory type for last pixel of the framebuffer.
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; get the memory type for last pixel of the framebuffer.
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; It must be write-combined.
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; It must be write-combined.
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        test    word [SCR_MODE], 0x4000
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        test    word [SCR_MODE], 0x4000
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        jz      .exit
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        jz      .exit
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        mov     eax, [_display.pitch]
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        mov     eax, [_display.lfb_pitch]
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        mul     [_display.height]
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        mul     [_display.height]
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        dec     eax
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        dec     eax
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; LFB is mapped to virtual address LFB_BASE,
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; LFB is mapped to virtual address LFB_BASE,
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; it uses global pages if supported by CPU.
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; it uses global pages if supported by CPU.
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        mov     ebx, [sys_proc+PROC.pdt_0+(LFB_BASE shr 20)]
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        mov     ebx, [sys_proc+PROC.pdt_0+(LFB_BASE shr 20)]