add implementation of ARM GIC driver.

[lunaix-os.git] / lunaix-os / includes / lunaix / compiler.h

diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h
index 78387bd50ef0c55167c74ab1e2d6b62b94d14e6e..d498f536bbfef5ba362aed8296905a03d15222a4 100644 (file)
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -13,11 +13,31 @@
 #define must_emit               __attribute__((used))
 #define unreachable             __builtin_unreachable()
 #define no_inline               __attribute__((noinline))
+#define asmlinkage              
 
+#define _default                weak
+
+#define msbiti                  (sizeof(int) * 8 - 1)
 #define clz(bits)               __builtin_clz(bits)
-#define sadd_overflow(a, b, of) __builtin_sadd_overflow(a, b, of)
-#define umul_overflow(a, b, of) __builtin_umul_overflow(a, b, of)
+#define ctz(bits)               __builtin_ctz(bits)
+
+#ifdef CONFIG_ARCH_BITS_64
+#define msbitl                  (sizeof(long) * 8 - 1)
+#define clzl(bits)              __builtin_clzl(bits)
+#define ctzl(bits)              __builtin_ctzl(bits)
+#else
+#define msbitl                  msbiti
+#define clzl(bits)              clz(bits)
+#define ctzl(bits)              ctz(bits)
+#endif
+
+#define sadd_of(a, b, of)       __builtin_sadd_overflow(a, b, of)
+#define saddl_of(a, b, of)      __builtin_saddl_overflow(a, b, of)
+#define umul_of(a, b, of)       __builtin_umul_overflow(a, b, of)
+#define umull_of(a, b, of)      __builtin_umull_overflow(a, b, of)
 #define offsetof(f, m)          __builtin_offsetof(f, m)
+#define select(cond, y, n)      __builtin_choose_expr(cond, y, n)
+#define is_const(v)             __builtin_constant_p(v)
 
 #define prefetch_rd(ptr, ll)    __builtin_prefetch((ptr), 0, ll)
 #define prefetch_wr(ptr, ll)    __builtin_prefetch((ptr), 1, ll)
@@ -32,7 +52,8 @@
 #define cacheline_align         align(cacheline_size)
 
 #define export_symbol(domain, namespace, symbol)\
-    typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_N##namespace##_S##symbol = &(symbol)
+    typeof(symbol)* must_emit __SYMEXPORT_Z##domain##_N##namespace##_S##symbol \
+         = &(symbol)
 
 inline static void noret
 spin()
@@ -43,4 +64,9 @@ spin()
     unreachable;
 }
 
+#ifdef CONFIG_ARCH_X86_32
+#undef  asmlinkage
+#define asmlinkage      __attribute__((regparm(0)))
+#endif
+
 #endif /* __LUNAIX_COMPILER_H */