X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Fcompiler.h;h=0734ed494274558a0656925220d7e4861da7231e;hb=14bc66bd9a1d8073a12c6e785ab379909f620356;hp=272fd3cf628c758f9a4d5f019d2a093f2955c47a;hpb=37566090766d61beef70c62986b90749920255d8;p=platform%2Fkernel%2Fu-boot.git

diff --git a/include/compiler.h b/include/compiler.h
index 272fd3c..0734ed4 100644
--- a/include/compiler.h
+++ b/include/compiler.h
@@ -25,8 +25,6 @@
 #include <stdio.h>
 #include <string.h>
 
-extern int errno;
-
 #if !defined(__WIN32__) && !defined(__MINGW32__)
 # include <sys/mman.h>
 #endif
@@ -46,15 +44,15 @@ extern int errno;
 #ifdef __linux__
 # include <endian.h>
 # include <byteswap.h>
-#elif defined(__MACH__)
+#elif defined(__MACH__) || defined(__FreeBSD__)
 # include <machine/endian.h>
 typedef unsigned long ulong;
-typedef unsigned int  uint;
 #endif
 
 typedef uint8_t __u8;
 typedef uint16_t __u16;
 typedef uint32_t __u32;
+typedef unsigned int uint;
 
 #define uswap_16(x) \
 	((((x) & 0xff00) >> 8) | \
@@ -113,13 +111,27 @@ typedef uint32_t __u32;
 #include <linux/types.h>
 #include <asm/byteorder.h>
 
-/* Types for `void *' pointers. */
-#if __WORDSIZE == 64
-typedef unsigned long int       uintptr_t;
+#if __SIZEOF_LONG__ == 8
+# define __WORDSIZE	64
+#elif __SIZEOF_LONG__ == 4
+# define __WORDSIZE	32
 #else
-typedef unsigned int            uintptr_t;
+/*
+ * Assume 32-bit for now - only newer toolchains support this feature and
+ * this is only required for sandbox support at present.
+ */
+#define __WORDSIZE	32
 #endif
 
-#endif
+/* Type for `void *' pointers. */
+typedef unsigned long int uintptr_t;
+
+#endif /* USE_HOSTCC */
+
+/* compiler options */
+#define uninitialized_var(x)		x = x
+
+#define likely(x)	__builtin_expect(!!(x), 1)
+#define unlikely(x)	__builtin_expect(!!(x), 0)
 
 #endif