initial commit of lk (little kernel) project
diff --git a/lib/lwip/include/arch/cc.h b/lib/lwip/include/arch/cc.h
new file mode 100644
index 0000000..07cc65f
--- /dev/null
+++ b/lib/lwip/include/arch/cc.h
@@ -0,0 +1,42 @@
+#ifndef __LWIP_CC_H
+#define __LWIP_CC_H
+
+#include <debug.h>
+#include <compiler.h>
+
+typedef unsigned char u8_t;
+typedef signed char s8_t;
+typedef unsigned short u16_t;
+typedef signed short s16_t;
+typedef unsigned int u32_t;
+typedef signed int s32_t;
+typedef unsigned long mem_ptr_t;
+
+#define S16_F "hd"
+#define U16_F "hu"
+#define X16_F "hx"
+#define S32_F "d"
+#define U32_F "u"
+#define X32_F "x"
+
+#define PACK_STRUCT_BEGIN
+#define PACK_STRUCT_STRUCT __PACKED
+#define PACK_STRUCT_END
+#define PACK_STRUCT_FIELD(x) x
+
+#define LWIP_PLATFORM_DIAG(x) dprintf x
+#define LWIP_PLATFORM_ASSERT(x) panic(x)
+
+#if ARCH_ARM
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+#if 0
+#define LWIP_DEBUG
+//#define DHCP_DEBUG DBG_ON
+//#define PBUF_DEBUG DBG_ON
+#define DBG_TYPES_ON DBG_TRACE
+#endif
+
+#endif
+