to fill the gap between PI1.0 and code to fix the bug #202435

[mirror_edk2.git] / MdePkg / Include / Pi / PiPeiCis.h

diff --git a/MdePkg/Include/Pi/PiPeiCis.h b/MdePkg/Include/Pi/PiPeiCis.h
index 1d0754db34b20ce886f4c9359014771eddb2b307..c93179a82845195417ac42424570d689a643a143 100644 (file)
--- a/MdePkg/Include/Pi/PiPeiCis.h
+++ b/MdePkg/Include/Pi/PiPeiCis.h
@@ -702,11 +702,21 @@ EFI_STATUS
 //\r
 #define PEI_SPECIFICATION_MAJOR_REVISION  1\r
 #define PEI_SPECIFICATION_MINOR_REVISION  0\r
-\r
+///\r
+/// Inconsistent with specification here: \r
+/// In PI1.0 spec, PEI_SERVICES_SIGNATURE is defined as 0x5652455320494550. But \r
+/// to pass multiple tool chain, it is append a ULL.\r
+///\r
 //\r
 // PEI Services Table\r
 //\r
 #define PEI_SERVICES_SIGNATURE  0x5652455320494550ULL\r
+///\r
+/// Inconsistent with specification here: \r
+/// In PI1.0 spec, There is a typo error in PEI_SERVICES_REVISION. In the spec. the defintion is \r
+/// #define ((PEI_SPECIFICATION_MAJOR_REVISION<<16) |(PEI_SPECIFICATION_MINOR_REVISION))\r
+/// and it should be as follow:\r
+///\r
 #define PEI_SERVICES_REVISION   ((PEI_SPECIFICATION_MAJOR_REVISION<<16) | (PEI_SPECIFICATION_MINOR_REVISION))\r
 \r
 /// \r