EFI_CPU_IO2_PROCOL is defined in PI spec Volume 5 Chapter 15 CPU I/O Protocol.
Thank you Yao jiewen > -----Original Message----- > From: devel@edk2.groups.io [mailto:devel@edk2.groups.io] On Behalf Of > Gao, Zhichao > Sent: Thursday, May 23, 2019 10:28 PM > To: Gao, Liming <liming....@intel.com>; devel@edk2.groups.io > Cc: Sean Brogan <sean.bro...@microsoft.com>; Kinney, Michael D > <michael.d.kin...@intel.com>; Michael Turner > <michael.tur...@microsoft.com>; Bret Barkelew > <bret.barke...@microsoft.com> > Subject: Re: [edk2-devel] [PATCH 4/6] MdePkg: Add gEfiCpu2ProtocolGuid > and header file > > I have found it in UEFP spec and PI spec. It is not defined in these specs. > So I think maybe no spec has already defined it. > > Thanks, > Zhichao > > > -----Original Message----- > > From: Gao, Liming > > Sent: Friday, May 24, 2019 1:20 PM > > To: Gao, Zhichao <zhichao....@intel.com>; devel@edk2.groups.io > > Cc: Sean Brogan <sean.bro...@microsoft.com>; Kinney, Michael D > > <michael.d.kin...@intel.com>; Michael Turner > > <michael.tur...@microsoft.com>; Bret Barkelew > > <bret.barke...@microsoft.com> > > Subject: RE: [PATCH 4/6] MdePkg: Add gEfiCpu2ProtocolGuid and header > file > > > > Zhichao: > > Which spec defines Cpu2 protocol? > > > > Thanks > > Liming > > >-----Original Message----- > > >From: Gao, Zhichao > > >Sent: Friday, May 24, 2019 1:05 PM > > >To: devel@edk2.groups.io > > >Cc: Sean Brogan <sean.bro...@microsoft.com>; Kinney, Michael D > > ><michael.d.kin...@intel.com>; Gao, Liming <liming....@intel.com>; > > >Michael Turner <michael.tur...@microsoft.com>; Bret Barkelew > > ><bret.barke...@microsoft.com> > > >Subject: [PATCH 4/6] MdePkg: Add gEfiCpu2ProtocolGuid and header file > > > > > >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 (#41314): https://edk2.groups.io/g/devel/message/41314 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] -=-=-=-=-=-=-=-=-=-=-=-
