Merge remote-tracking branch 'Kernel/master'

Kernel/include/cpu/membar.hpp

@@ -0,0 +1,73 @@
+/*
+	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_CPU_MEMBAR_H__
+#define __FENNIX_KERNEL_CPU_MEMBAR_H__
+
+#include <types.h>
+
+namespace CPU
+{
+    namespace MemBar
+    {
+        nsa static inline void Barrier()
+        {
+#if defined(a86)
+            asmv("" ::
+                     : "memory");
+#elif defined(aa64)
+            asmv("dmb ish" ::
+                     : "memory");
+#endif
+        }
+
+        nsa static inline void Fence()
+        {
+#if defined(a86)
+            asmv("mfence" ::
+                     : "memory");
+#elif defined(aa64)
+            asmv("dmb ish" ::
+                     : "memory");
+#endif
+        }
+
+        nsa static inline void StoreFence()
+        {
+#if defined(a86)
+            asmv("sfence" ::
+                     : "memory");
+#elif defined(aa64)
+            asmv("dmb ishst" ::
+                     : "memory");
+#endif
+        }
+
+        nsa static inline void LoadFence()
+        {
+#if defined(a86)
+            asmv("lfence" ::
+                     : "memory");
+#elif defined(aa64)
+            asmv("dmb ishld" ::
+                     : "memory");
+#endif
+        }
+    }
+}
+
+#endif // !__FENNIX_KERNEL_CPU_MEMBAR_H__