Kernel/include/intrin.hpp

81 lines
1.6 KiB
C++

/*
This file is part of Fennix Kernel.
Fennix Kernel 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.
Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef __FENNIX_KERNEL_INTRIN_H__
#define __FENNIX_KERNEL_INTRIN_H__
#include <types.h>
#include <debug.h>
namespace FXSR
{
void _fxsave(void *mem_addr)
{
#ifdef a64
__builtin_ia32_fxsave(mem_addr);
#endif
}
void _fxrstor(void *mem_addr)
{
#ifdef a64
__builtin_ia32_fxrstor(mem_addr);
#endif
}
void _fxsave64(void *mem_addr)
{
#ifdef a64
asmv("fxsaveq (%0)"
:
: "r"(mem_addr)
: "memory");
#endif
}
void _fxrstor64(void *mem_addr)
{
#ifdef a64
asmv("fxrstorq (%0)"
:
: "r"(mem_addr)
: "memory");
#endif
}
}
namespace SMAP
{
void _clac(void)
{
#if defined(a86)
asmv("clac" ::
: "cc");
#endif // a64 || a32
}
void _stac(void)
{
#if defined(a86)
asmv("stac" ::
: "cc");
#endif // a64 || a32
}
}
#endif // !__FENNIX_KERNEL_INTRIN_H__