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-rw-r--r--MdePkg/Include/Uefi/UefiSpec.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Include/Uefi/UefiSpec.h b/MdePkg/Include/Uefi/UefiSpec.h
index 115a82bfc7..f389693845 100644
--- a/MdePkg/Include/Uefi/UefiSpec.h
+++ b/MdePkg/Include/Uefi/UefiSpec.h
@@ -1720,6 +1720,10 @@ EFI_STATUS
OUT UINT64 *MaximumVariableSize
);
+//
+// Firmware should stop at a firmware user interface on next boot
+//
+#define EFI_OS_INDICATIONS_BOOT_TO_FW_UI 0x0000000000000001
//
// EFI Runtime Services Table