From: Tom Lendacky <thomas.lenda...@amd.com>
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198
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 <michael.d.kin...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Signed-off-by: Tom Lendacky <thomas.lenda...@amd.com>
---
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
);
+/**
+ 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 functions
from the DXE
/// Foundation. This includes flushing caches, enabling and disabling
interrupts, hooking interrupt
@@ -287,6 +303,8 @@ struct _EFI_CPU_ARCH_PROTOCOL {
/// a read-only field.
///
UINT32 DmaBufferAlignment;
+
+ EFI_CPU_FINALIZE Finalize;
};
extern EFI_GUID gEfiCpuArchProtocolGuid;
--
2.17.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#47673): https://edk2.groups.io/g/devel/message/47673
Mute This Topic: https://groups.io/mt/34203586/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
