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-rw-r--r--MdePkg/Include/Guid/GlobalVariable.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/MdePkg/Include/Guid/GlobalVariable.h b/MdePkg/Include/Guid/GlobalVariable.h
index b7e37e7e6d..1e4fbc8227 100644
--- a/MdePkg/Include/Guid/GlobalVariable.h
+++ b/MdePkg/Include/Guid/GlobalVariable.h
@@ -36,6 +36,7 @@ extern EFI_GUID gEfiGlobalVariableGuid;
// Note: except the globally defined variables defined below, the spec also defines
// L"Boot####" - A boot load option.
// L"Driver####" - A driver load option.
+// L"SysPrep####" - A System Prep application load option.
// L"Key####" - Describes hot key relationship with a Boot#### load option.
// The attribute for them is NV+BS+RT, #### is a printed hex value, and no 0x or h
// is included in the hex value. They can not be expressed as a #define like other globally