Change license from GPLv3 to LGPLv3.

[seabios.git] / src / types.h

diff --git a/src/types.h b/src/types.h
index 10c3dfe54241f6f9db1b279aba3d55a520f3b371..74d9e71b652380f3e079ff7e5259a06c44057331 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -2,7 +2,7 @@
 //
 // Copyright (C) 2008  Kevin O'Connor <kevin@koconnor.net>
 //
-// This file may be distributed under the terms of the GNU GPLv3 license.
+// This file may be distributed under the terms of the GNU LGPLv3 license.
 #ifndef __TYPES_H
 #define __TYPES_H
 
@@ -12,16 +12,54 @@ typedef unsigned short u16;
 typedef signed short s16;
 typedef unsigned int u32;
 typedef signed int s32;
-typedef u32 size_t;
 typedef unsigned long long u64;
+typedef signed long long s64;
+typedef u32 size_t;
+
+union u64_u32_u {
+    struct { u32 hi, lo; };
+    u64 val;
+};
+
+#define __VISIBLE __attribute__((externally_visible))
 
-#define VISIBLE __attribute__((externally_visible))
+#if MODE16 == 1
+// Notes a function as externally visible in the 16bit code chunk.
+# define VISIBLE16 __VISIBLE
+// Notes a function as externally visible in the 32bit code chunk.
+# define VISIBLE32
+// Designate a variable as (only) visible to 16bit code.
+# define VAR16 __attribute__((section(".data.var16")))
+// Designate a variable as visible to both 32bit and 16bit code.
+# define VAR16_32 VAR16 __VISIBLE
+// Designate top-level assembler as 16bit only.
+# define ASM16(code) asm(code)
+#else
+# define VISIBLE16
+# define VISIBLE32 __VISIBLE
+# define VAR16 __attribute__((section(".discard.var16")))
+# define VAR16_32 VAR16 __VISIBLE __attribute__((weak))
+# define ASM16(code)
+#endif
 
 #define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define ALIGN(x,a)              __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask)    (((x)+(mask))&~(mask))
 
 #define NULL ((void *)0)
 
 #define PACKED __attribute__((packed))
+#define __aligned(x) __attribute__((aligned(x)))
+
+#define barrier() __asm__ __volatile__("": : :"memory")
+
+#define noinline __attribute__((noinline))
+#define __always_inline inline __attribute__((always_inline))
+
+#define __stringify_1(x)        #x
+#define __stringify(x)          __stringify_1(x)
 
 #endif // types.h