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-rw-r--r--MdePkg/Include/Protocol/PxeBaseCode.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/PxeBaseCode.h b/MdePkg/Include/Protocol/PxeBaseCode.h
index 0ad3536c19..7cef457374 100644
--- a/MdePkg/Include/Protocol/PxeBaseCode.h
+++ b/MdePkg/Include/Protocol/PxeBaseCode.h
@@ -148,6 +148,8 @@ typedef UINT16 EFI_PXE_BASE_CODE_UDP_PORT;
//
// PXE Tag definition that identifies the processor
// and programming environment of the client system.
+// These identifiers are defined by IETF:
+// http://www.ietf.org/assignments/dhcpv6-parameters/dhcpv6-parameters.xml
//
#if defined (MDE_CPU_IA32)
#define EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE 0x0006
@@ -157,6 +159,8 @@ typedef UINT16 EFI_PXE_BASE_CODE_UDP_PORT;
#define EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE 0x0007
#elif defined (MDE_CPU_ARM)
#define EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE 0x000A
+#elif defined (MDE_CPU_AARCH64)
+#define EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE 0x000B
#endif