1 /*
2  *  FreeLoader
3  *
4  *  Copyright (C) 2003  Eric Kohl
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License along
17  *  with this program; if not, write to the Free Software Foundation, Inc.,
18  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #ifndef __ASM__
22 #pragma once
23 #endif
24 
25 #define VA_MASK 0x0000FFFFFFFFFFFFUL
26 
27 #define PtrToPfn(p) \
28     ((((ULONGLONG)p) >> PAGE_SHIFT) & 0xfffffffULL)
29 
30 #define VAtoPXI(va) ((((ULONG64)(va)) >> PXI_SHIFT) & 0x1FF)
31 #define VAtoPPI(va) ((((ULONG64)(va)) >> PPI_SHIFT) & 0x1FF)
32 #define VAtoPDI(va) ((((ULONG64)(va)) >> PDI_SHIFT) & 0x1FF)
33 #define VAtoPTI(va) ((((ULONG64)(va)) >> PTI_SHIFT) & 0x1FF)
34 
35 #ifndef ASM
36 
37 VOID FrLdrSetupGdtIdt(VOID);
38 #endif
39 
40 /* EOF */
41