48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2013.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
|
version.
|
|
|
|
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
sortix/kernel/mtrr.h
|
|
Functions to manipulate Memory Type Range Registers.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef INCLUDE_SORTIX_KERNEL_MTRR_H
|
|
#define INCLUDE_SORTIX_KERNEL_MTRR_H
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
|
|
#include <sortix/kernel/decl.h>
|
|
|
|
namespace Sortix {
|
|
|
|
#if defined(__i386__) || defined(__x86_64__)
|
|
|
|
bool IsMTRRSupported();
|
|
const char* SetupMTRRForWC(addr_t base, size_t size, int* ret = NULL);
|
|
void EnableMTRR(int mtrr);
|
|
void DisableMTRR(int mtrr);
|
|
void CopyMTRR(int dst, int src);
|
|
|
|
#endif
|
|
|
|
} // namespace Sortix
|
|
|
|
#endif
|