1 files changed, 46 insertions, 2 deletions
diff --git a/MdePkg/Include/Pi/PiMultiPhase.h b/MdePkg/Include/Pi/PiMultiPhase.h
index 5791a92281..b29c4949ba 100644
--- a/MdePkg/Include/Pi/PiMultiPhase.h
+++ b/MdePkg/Include/Pi/PiMultiPhase.h
@@ -11,7 +11,7 @@
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
 
   @par Revision Reference:
-  PI Version 1.0
+  These elements are defined in UEFI Platform Initialization Specification 1.2 
 
 **/
 
@@ -25,6 +25,50 @@
 #include <Pi/PiDependency.h>
 #include <Pi/PiStatusCode.h>
 
-#define EFI_NOT_AVAILABLE_YET   EFIERR (32)
+/**
+  Produces an error code in the range reserved for use by the Platform Initialization
+  Architecture Specification.
+
+  The supported 32-bit range is 0xA0000000-0xBFFFFFFF 
+  The supported 64-bit range is 0xA000000000000000-0xBFFFFFFFFFFFFFFF 
+
+  @param  StatusCode    The status code value to convert into a warning code.  
+                        StatusCode must be in the range 0x00000000..0x1FFFFFFF.
+
+  @return The value specified by StatusCode in the PI reserved range.
+
+**/
+#define DXE_ERROR(StatusCode)  (MAX_BIT | (MAX_BIT >> 2) | StatusCode)
+
+///
+/// If this value is returned by an EFI image, then the image should be unloaded.
+///
+#define EFI_REQUEST_UNLOAD_IMAGE  DXE_ERROR (1)
+
+///
+/// If this value is returned by an API, it means the capability is not yet 
+/// installed/available/ready to use.
+///
+#define EFI_NOT_AVAILABLE_YET     DXE_ERROR (2)
+
+///
+/// Bitmask of values for Authentication Status.
+/// Authentication Status is returned from EFI_GUIDED_SECTION_EXTRACTION_PROTOCOL 
+/// and the EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI
+///
+/// xx00 Image was not signed.
+/// xxx1 Platform security policy override. Assumes same meaning as 0010 (the image was signed, the
+///      signature was tested, and the signature passed authentication test).
+/// 0010 Image was signed, the signature was tested, and the signature passed authentication test.
+/// 0110 Image was signed and the signature was not tested.
+/// 1010 Image was signed, the signature was tested, and the signature failed the authentication test.
+///
+///@{
+#define EFI_AUTH_STATUS_PLATFORM_OVERRIDE   0x01
+#define EFI_AUTH_STATUS_IMAGE_SIGNED        0x02
+#define EFI_AUTH_STATUS_NOT_TESTED          0x04
+#define EFI_AUTH_STATUS_TEST_FAILED         0x08
+#define EFI_AUTH_STATUS_ALL                 0x0f
+///@}
 
 #endif