From: Sean Brogan <sean.bro...@microsoft.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1400
Add gEfiCpu2ProtocolGuid to MdePkg.dec.
Add the header file of Cpu2 protocol: it has one interface
to enable interrupt and put cpu to sleep to wait for an
interrupt.
Cc: Michael D Kinney <michael.d.kin...@intel.com>
Cc: Liming Gao <liming....@intel.com>
Cc: Sean Brogan <sean.bro...@microsoft.com>
Cc: Michael Turner <michael.tur...@microsoft.com>
Cc: Bret Barkelew <bret.barke...@microsoft.com>
Signed-off-by: Zhichao Gao <zhichao....@intel.com>
---
MdePkg/Include/Protocol/Cpu2.h | 43 ++++++++++++++++++++++++++++++++++
MdePkg/MdePkg.dec | 3 +++
2 files changed, 46 insertions(+)
create mode 100644 MdePkg/Include/Protocol/Cpu2.h
diff --git a/MdePkg/Include/Protocol/Cpu2.h b/MdePkg/Include/Protocol/Cpu2.h
new file mode 100644
index 0000000000..cacd948140
--- /dev/null
+++ b/MdePkg/Include/Protocol/Cpu2.h
@@ -0,0 +1,43 @@
+/** @file
+ CPU2 Protocol
+
+ This code abstracts the DXE core from processor implementation details.
+
+ Copyright (c) 2006 - 2018, Microsoft Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __PROTOCOL_CPU2_H__
+#define __PROTOCOL_CPU2_H__
+
+#include <Uefi.h>
+
+typedef struct _EFI_CPU2_PROTOCOL EFI_CPU2_PROTOCOL;
+
+
+/**
+ This function enables CPU interrupts and then waits for an interrupt to
arrive.
+
+ @param This The EFI_CPU2_PROTOCOL instance.
+
+ @retval EFI_SUCCESS Interrupts are enabled on the processor.
+ @retval EFI_DEVICE_ERROR Interrupts could not be enabled on the
processor.
+
+**/
+typedef
+EFI_STATUS
+(EFIAPI *EFI_CPU_ENABLE_AND_WAIT_FOR_INTERRUPT)(
+ IN EFI_CPU2_PROTOCOL *This
+ );
+
+//
+// The EFI_CPU2_PROTOCOL is used to abstract processor-specific functions from
the DXE
+// Foundation.
+//
+struct _EFI_CPU2_PROTOCOL {
+ EFI_CPU_ENABLE_AND_WAIT_FOR_INTERRUPT EnableAndWaitForInterrupt;
+};
+
+#endif
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 6c563375ee..e8c6939849 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -1803,6 +1803,9 @@
## Include/Protocol/ShellDynamicCommand.h
gEfiShellDynamicCommandProtocolGuid = { 0x3c7200e9, 0x005f, 0x4ea4, {0x87,
0xde, 0xa3, 0xdf, 0xac, 0x8a, 0x27, 0xc3 }}
+ ## Include/Protocol/Cpu2.h
+ gEfiCpu2ProtocolGuid = { 0x55198405, 0x26C0, 0x4765, {0x8B,
0x7D, 0xBE, 0x1D, 0xF5, 0xF9, 0x97, 0x12 }}
+
#
# [Error.gEfiMdePkgTokenSpaceGuid]
# 0x80000001 | Invalid value provided.
--
2.21.0.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#41306): https://edk2.groups.io/g/devel/message/41306
Mute This Topic: https://groups.io/mt/31741731/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
