mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
54 lines
1.5 KiB
C++
54 lines
1.5 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 x64 architecture.
|
|
|
|
******************************************************************************/
|
|
|
|
#ifndef SORTIX_X64_MEMORYMANAGEMENT_H
|
|
#define SORTIX_X64_MEMORYMANAGEMENT_H
|
|
|
|
namespace Sortix
|
|
{
|
|
namespace Memory
|
|
{
|
|
const size_t TOPPMLLEVEL = 2;
|
|
const size_t ENTRIES = 4096UL / sizeof(addr_t);
|
|
const size_t TRANSBITS = 10;
|
|
|
|
PML* const PMLS[TOPPMLLEVEL + 1] =
|
|
{
|
|
(PML* const) 0x0,
|
|
(PML* const) 0xFFC00000UL,
|
|
(PML* const) 0xFFBFF000UL,
|
|
};
|
|
|
|
PML* const FORKPML = (PML* const) 0xFF800000UL;
|
|
}
|
|
|
|
namespace Page
|
|
{
|
|
addr_t* const STACK = (addr_t* const) 0xFF400000UL;
|
|
const size_t MAXSTACKSIZE = (4UL*1024UL*1024UL);
|
|
const size_t MAXSTACKLENGTH = MAXSTACKSIZE / sizeof(addr_t);
|
|
}
|
|
}
|
|
|
|
#endif
|