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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable From: Tom Lendacky BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3D2198 Expand the CPU protocol to include a finalization function that can be used to perform any final AP processing or AP environment setup before transferring control over to an OS. Cc: Michael D Kinney Cc: Liming Gao Signed-off-by: Tom Lendacky --- MdePkg/Include/Protocol/Cpu.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/MdePkg/Include/Protocol/Cpu.h b/MdePkg/Include/Protocol/Cpu.h index e392f4cd9a13..1603797edd1c 100644 --- a/MdePkg/Include/Protocol/Cpu.h +++ b/MdePkg/Include/Protocol/Cpu.h @@ -258,6 +258,22 @@ EFI_STATUS ); =20 =20 +/** + This function is used to perform any CPU finalization operations needed + before exiting boot services. + + @param This The EFI_CPU_ARCH_PROTOCOL instance. + + @return None + +**/ +typedef +VOID +(EFIAPI *EFI_CPU_FINALIZE)( + IN EFI_CPU_ARCH_PROTOCOL *This + ); + + /// /// The EFI_CPU_ARCH_PROTOCOL is used to abstract processor-specific funct= ions from the DXE /// Foundation. This includes flushing caches, enabling and disabling inte= rrupts, hooking interrupt @@ -287,6 +303,8 @@ struct _EFI_CPU_ARCH_PROTOCOL { /// a read-only field. /// UINT32 DmaBufferAlignment; + + EFI_CPU_FINALIZE Finalize; }; =20 extern EFI_GUID gEfiCpuArchProtocolGuid; --=20 2.17.1