boot/freeldr/freeldr/include/conversion.h

   1 /*
   2  * PROJECT:         EFI Windows Loader
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * FILE:            boot/freeldr/freeldr/windows/conversion.c
   5  * PURPOSE:         Physical <-> Virtual addressing mode conversions (arch-specific)
   6  * PROGRAMMERS:     Aleksey Bragin (aleksey@reactos.org)
   7  */
   8
   9 #pragma once
  10
  11 #ifndef _ZOOM2_
  12 /* Arch-specific addresses translation implementation */
  13 FORCEINLINE
  14 PVOID
  15 VaToPa(PVOID Va)
  16 {
  17     return (PVOID)((ULONG_PTR)Va & ~KSEG0_BASE);
  18 }
  19
  20 FORCEINLINE
  21 PVOID
  22 PaToVa(PVOID Pa)
  23 {
  24     return (PVOID)((ULONG_PTR)Pa | KSEG0_BASE);
  25 }
  26 #else
  27 FORCEINLINE
  28 PVOID
  29 VaToPa(PVOID Va)
  30 {
  31     return Va;
  32 }
  33
  34 FORCEINLINE
  35 PVOID
  36 PaToVa(PVOID Pa)
  37 {
  38     return Pa;
  39 }
  40 #endif