MdePkg/BaseSafeIntLib: Add SafeIntLib class and instance

[mirror_edk2.git] / MdePkg / Include / X64 / ProcessorBind.h

diff --git a/MdePkg/Include/X64/ProcessorBind.h b/MdePkg/Include/X64/ProcessorBind.h
index e637d8649f57a4d6987cd68cc43d5bb0377c54b3..38ef2665390fa2690d6f353bd4dc4a57c09e6e19 100644 (file)
--- a/MdePkg/Include/X64/ProcessorBind.h
+++ b/MdePkg/Include/X64/ProcessorBind.h
@@ -266,6 +266,11 @@ typedef INT64   INTN;
 #define MAX_INTN   ((INTN)0x7FFFFFFFFFFFFFFFULL)\r
 #define MAX_UINTN  ((UINTN)0xFFFFFFFFFFFFFFFFULL)\r
 \r
+///\r
+/// Minimum legal x64 INTN value.\r
+///\r
+#define MIN_INTN   (((INTN)-9223372036854775807LL) - 1)\r
+\r
 ///\r
 /// The stack alignment required for x64\r
 ///\r