mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
|
/******************************************************************************
|
||
|
|
||
|
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
|
||
|
|
||
|
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/>.
|
||
|
|
||
|
memorymanagement.h
|
||
|
Handles memory for the x86 family of architectures.
|
||
|
|
||
|
******************************************************************************/
|
||
|
|
||
|
#ifndef SORTIX_X86_FAMILY_MEMORYMANAGEMENT_H
|
||
|
#define SORTIX_X86_FAMILY_MEMORYMANAGEMENT_H
|
||
|
|
||
|
namespace Sortix
|
||
|
{
|
||
|
struct PML
|
||
|
{
|
||
|
addr_t entry[4096 / sizeof(addr_t)];
|
||
|
};
|
||
|
|
||
|
namespace Memory
|
||
|
{
|
||
|
const addr_t PML_PRESENT = (1<<0);
|
||
|
const addr_t PML_WRITABLE = (1<<1);
|
||
|
const addr_t PML_USERSPACE = (1<<2);
|
||
|
const addr_t PML_AVAILABLE1 = (1<<9);
|
||
|
const addr_t PML_AVAILABLE2 = (1<<10);
|
||
|
const addr_t PML_AVAILABLE3 = (1<<11);
|
||
|
const addr_t PML_FORK = PML_AVAILABLE1;
|
||
|
const addr_t PML_FLAGS = (0xFFFUL); // Bits used for the flags.
|
||
|
const addr_t PML_ADDRESS = (~0xFFFUL); // Bits used for the address.
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#ifdef PLATFORM_X86
|
||
|
#include "../x86/memorymanagement.h"
|
||
|
#endif
|
||
|
|
||
|
#ifdef PLATFORM_X64
|
||
|
#include "../x64/memorymanagement.h"
|
||
|
#endif
|
||
|
|
||
|
#endif
|