added EFI_SIGNATURE_XX in Base.h, and updated the industry header files to use them.

[mirror_edk2.git] / MdePkg / Include / Base.h

diff --git a/MdePkg/Include/Base.h b/MdePkg/Include/Base.h
index fa6d0d5df22600e34b9c6c4ba37527cf6581a6d3..8ddb52a5ac4a4b0157d060a6435106d0db19d3a3 100644 (file)
--- a/MdePkg/Include/Base.h
+++ b/MdePkg/Include/Base.h
@@ -1,5 +1,4 @@
 /** @file\r
-\r
   Root include file for Mde Package Base type modules\r
 \r
   This is the include file for any module of type base. Base modules only use \r
@@ -282,5 +281,13 @@ typedef INTN RETURN_STATUS;
 #define RETURN_WARN_WRITE_FAILURE    ENCODE_WARNING (3)\r
 #define RETURN_WARN_BUFFER_TOO_SMALL ENCODE_WARNING (4)\r
 \r
+//\r
+// Define macros to build data structure signatures from characters.\r
+//\r
+#define SIGNATURE_16(A, B)        ((A) | (B << 8))\r
+#define SIGNATURE_32(A, B, C, D)  (SIGNATURE_16 (A, B) | (SIGNATURE_16 (C, D) << 16))\r
+#define SIGNATURE_64(A, B, C, D, E, F, G, H) \\r
+    (SIGNATURE_32 (A, B, C, D) | ((UINT64) (SIGNATURE_32 (E, F, G, H)) << 32))\r
+\r
 #endif\r
 \r