diff --git a/sortix/include/sortix/kernel/endian.h b/sortix/include/sortix/kernel/endian.h
new file mode 100644
index 00000000..203ce9c7
--- /dev/null
+++ b/sortix/include/sortix/kernel/endian.h
@@ -0,0 +1,107 @@
+/*******************************************************************************
+
+	Copyright(C) Jonas 'Sortie' Termansen 2012.
+
+	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/>.
+
+	endian.h
+	Converting values to and from various endians.
+
+*******************************************************************************/
+
+#ifndef SORTIX_ENDIAN_H
+#define SORTIX_ENDIAN_H
+
+#ifndef __BYTE_ORDER__
+#error Your compiler needs to define the __BYTE_ORDER__ macro family.
+#endif
+
+#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__ && \
+    __BYTE_ORDER__ != __ORDER_BIG_ENDIAN
+#error Exotic endian detected, you need to port this header.
+#endif
+
+namespace Sortix {
+
+static inline uint16_t SwapBytes(uint16_t val)
+{
+	uint16_t a = val >> 0 & 0xFF;
+	uint16_t b = val >> 8 & 0xFF;
+	return a <<  8U | b <<  0U;
+}
+
+static inline uint32_t SwapBytes(uint32_t val)
+{
+	uint32_t a = val >> 0 & 0xFF;
+	uint32_t b = val >> 8 & 0xFF;
+	uint32_t c = val >> 16 & 0xFF;
+	uint32_t d = val >> 24 & 0xFF;
+	return a << 24U | b << 16U | c <<  8U | d <<  0U;
+}
+
+static inline uint64_t SwapBytes(uint64_t val)
+{
+	uint64_t a = val >> 0 & 0xFF;
+	uint64_t b = val >> 8 & 0xFF;
+	uint64_t c = val >> 16 & 0xFF;
+	uint64_t d = val >> 24 & 0xFF;
+	uint64_t e = val >> 32 & 0xFF;
+	uint64_t f = val >> 40 & 0xFF;
+	uint64_t g = val >> 48 & 0xFF;
+	uint64_t h = val >> 56 & 0xFF;
+	return a << 56U | b << 48U | c << 40U | d << 32U |
+	       e << 24U | f << 16U | g <<  8U | h <<  0U;
+}
+
+template <class T> T HostToLittle(T val)
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	return val;
+#else
+	return SwapBytes(val);
+#endif
+}
+
+template <class T> T LittleToHost(T val)
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	return val;
+#else
+	return SwapBytes(val);
+#endif
+}
+
+template <class T> T HostToBig(T val)
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	return SwapBytes(val);
+#else
+	return val;
+#endif
+}
+
+template <class T> T BigToHost(T val)
+{
+#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
+	return SwapBytes(val);
+#else
+	return val;
+#endif
+}
+
+} // namespace Sortix
+
+#endif