sortix-mirror/kernel/x86-family/gdt.h

47 lines
1.3 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013, 2014, 2015.
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/>.
x86-family/gdt.h
GDT and TSS.
*******************************************************************************/
#ifndef SORTIX_X86_FAMILY_GDT_H
#define SORTIX_X86_FAMILY_GDT_H
#include <stdint.h>
namespace Sortix {
namespace GDT {
void Init();
uintptr_t GetKernelStack();
void SetKernelStack(uintptr_t stack_pointer);
#if defined(__i386__)
uint32_t GetFSBase();
uint32_t GetGSBase();
void SetFSBase(uint32_t fsbase);
void SetGSBase(uint32_t gsbase);
#endif
} // namespace GDT
} // namespace Sortix
#endif