Merge remote-tracking branch 'Kernel/master'

Kernel/include/intrin.hpp

@@ -0,0 +1,80 @@
+/*
+	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__