Added MockPciIoProtocol and MockLocalApicLib (#890)

# Preface

Please ensure you have read the [contribution
docs](https://github.com/microsoft/mu/blob/master/CONTRIBUTING.md) prior
to submitting the pull request. In particular,
[pull request
guidelines](https://github.com/microsoft/mu/blob/master/CONTRIBUTING.md#pull-request-best-practices).

## Description

Added MockPciIoProtocol and MockLocalApicLib to be used in GoogleTests

For each item, place an "x" in between `[` and `]` if true. Example:
`[x]`.
_(you can also check items in the GitHub UI)_

- [ ] Impacts functionality?
- **Functionality** - Does the change ultimately impact how firmware
functions?
- Examples: Add a new library, publish a new PPI, update an algorithm,
...
- [ ] Impacts security?
- **Security** - Does the change have a direct security impact on an
application,
    flow, or firmware?
  - Examples: Crypto algorithm change, buffer overflow fix, parameter
    validation improvement, ...
- [ ] Breaking change?
- **Breaking change** - Will anyone consuming this change experience a
break
    in build or boot behavior?
- Examples: Add a new library class, move a module to a different repo,
call
    a function in a new library class in a pre-existing module, ...
- [ ] Includes tests?
  - **Tests** - Does the change include any explicit test code?
  - Examples: Unit tests, integration tests, robot tests, ...
- [ ] Includes documentation?
- **Documentation** - Does the change contain explicit documentation
additions
    outside direct code modifications (and comments)?
- Examples: Update readme file, add feature readme file, link to
documentation
    on an a separate Web page, ...

## How This Was Tested

Integrated these in internal repo for a GoogleTest and ensured no build
errors

## Integration Instructions
N/A

MdePkg/Test/Mock/Include/GoogleTest/Protocol/MockPciIoProtocol.h

@@ -0,0 +1,56 @@
+/** @file
+  This file declares a mock of PCI IO Protocol.
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MOCK_PCIIOPROTOCOL_H
+#define MOCK_PCIIOPROTOCOL_H
+
+#include <Library/GoogleTestLib.h>
+#include <Library/FunctionMockLib.h>
+
+extern "C" {
+  #include <Uefi.h>
+  #include <Protocol/PciIo.h>
+}
+
+//
+// Declarations to handle usage of the Pci Io Protocol by creating mock
+//
+struct MockPciIoConfigAccess {
+  MOCK_INTERFACE_DECLARATION (MockPciIoConfigAccess);
+
+  MOCK_FUNCTION_DECLARATION (
+    EFI_STATUS,
+    MockPciIoRead,
+    (IN EFI_PCI_IO_PROTOCOL              *This,
+     IN     EFI_PCI_IO_PROTOCOL_WIDTH    Width,
+     IN     UINT32                       Offset,
+     IN     UINTN                        Count,
+     IN OUT VOID                         *Buffer)
+    );
+};
+
+struct MockPciIoProtocol {
+  MOCK_INTERFACE_DECLARATION (MockPciIoProtocol);
+
+  MOCK_FUNCTION_DECLARATION (
+    EFI_STATUS,
+    GetLocation,
+    (
+     IN EFI_PCI_IO_PROTOCOL          *This,
+     OUT UINTN                       *SegmentNumber,
+     OUT UINTN                       *BusNumber,
+     OUT UINTN                       *DeviceNumber,
+     OUT UINTN                       *FunctionNumber
+    )
+    );
+};
+
+extern "C" {
+  extern EFI_PCI_IO_PROTOCOL  *gPciIoProtocol;
+}
+
+#endif // MOCK_PCIIOPROTOCOL_H

MdePkg/Test/Mock/Library/GoogleTest/Protocol/MockPciIoProtocol.cpp

@@ -0,0 +1,38 @@
+/** @file MockPciIoProtocol.cpp
+  Google Test mock for Pci Io Protocol
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <GoogleTest/Protocol/MockPciIoProtocol.h>
+
+MOCK_INTERFACE_DEFINITION (MockPciIoConfigAccess);
+MOCK_FUNCTION_DEFINITION (MockPciIoConfigAccess, MockPciIoRead, 5, EFIAPI);
+
+MOCK_INTERFACE_DEFINITION (MockPciIoProtocol);
+MOCK_FUNCTION_DEFINITION (MockPciIoProtocol, GetLocation, 5, EFIAPI);
+
+EFI_PCI_IO_PROTOCOL  PCI_IO_PROTOCOL_MOCK = {
+  NULL,                    // EFI_PCI_IO_PROTOCOL_POLL_IO_MEM           PollMem;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_POLL_IO_MEM           PollIo;
+  { NULL,          NULL }, // EFI_PCI_IO_PROTOCOL_ACCESS                Mem;
+  { NULL,          NULL }, // EFI_PCI_IO_PROTOCOL_ACCESS                Io;
+  { MockPciIoRead, NULL }, // EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS         Pci;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_COPY_MEM              CopyMem;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_MAP                   Map;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_UNMAP                 Unmap;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_ALLOCATE_BUFFER       AllocateBuffer;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_FREE_BUFFER           FreeBuffer;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_FLUSH                 Flush;
+  GetLocation,             // EFI_PCI_IO_PROTOCOL_GET_LOCATION          GetLocation;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_ATTRIBUTES            Attributes;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_GET_BAR_ATTRIBUTES    GetBarAttributes;
+  NULL,                    // EFI_PCI_IO_PROTOCOL_SET_BAR_ATTRIBUTES    SetBarAttributes;
+  0,                       // UINT64                                    RomSize;
+  NULL,                    // VOID    *RomImage;
+};
+
+extern "C" {
+  EFI_PCI_IO_PROTOCOL  *gPciIoProtocol = &PCI_IO_PROTOCOL_MOCK;
+};

UefiCpuPkg/Test/Mock/Include/GoogleTest/Library/MockLocalApicLib.h

@@ -0,0 +1,32 @@
+/** @file MockLocalApicLib.h
+  Google Test mocks for LocalApicLib
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#ifndef MOCK_LOCAL_APIC_LIB_H_
+#define MOCK_LOCAL_APIC_LIB_H_
+
+#include <Library/GoogleTestLib.h>
+#include <Library/FunctionMockLib.h>
+extern "C" {
+  #include <Library/LocalApicLib.h>
+}
+
+struct MockLocalApicLib {
+  MOCK_INTERFACE_DECLARATION (MockLocalApicLib);
+
+  MOCK_FUNCTION_DECLARATION (
+    VOID,
+    GetProcessorLocationByApicId,
+    (
+     IN  UINT32  InitialApicId,
+     OUT UINT32  *Package  OPTIONAL,
+     OUT UINT32  *Core    OPTIONAL,
+     OUT UINT32  *Thread  OPTIONAL
+    )
+    );
+};
+
+#endif //MOCK_LOCAL_APIC_LIB_H_

UefiCpuPkg/Test/Mock/Library/GoogleTest/MockLocalApicLib/MockLocalApicLib.cpp

@@ -0,0 +1,11 @@
+/** @file MockLocalApicLib.cpp
+  Google Test mocks for LocalApicLib
+
+  Copyright (c) Microsoft Corporation.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+**/
+
+#include <GoogleTest/Library/MockLocalApicLib.h>
+
+MOCK_INTERFACE_DEFINITION (MockLocalApicLib);
+MOCK_FUNCTION_DEFINITION (MockLocalApicLib, GetProcessorLocationByApicId, 4, EFIAPI);

UefiCpuPkg/Test/Mock/Library/GoogleTest/MockLocalApicLib/MockLocalApicLib.inf

@@ -0,0 +1,34 @@
+## @file MockLocalApicLib.inf
+# Google Test mocks for LocalApicLib
+#
+# Copyright (c) Microsoft Corporation.
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+##
+
+[Defines]
+  INF_VERSION                    = 0x00010005
+  BASE_NAME                      = MockLocalApicLib
+  FILE_GUID                      = 33E27393-001E-4915-8AAA-0C1C9465E655
+  MODULE_TYPE                    = HOST_APPLICATION
+  VERSION_STRING                 = 1.0
+  LIBRARY_CLASS                  = LocalApicLib
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+#  VALID_ARCHITECTURES           = IA32 X64
+#
+
+[Sources]
+  MockLocalApicLib.cpp
+
+[Packages]
+  UefiCpuPkg/UefiCpuPkg.dec
+  MdePkg/MdePkg.dec
+  UnitTestFrameworkPkg/UnitTestFrameworkPkg.dec
+
+[LibraryClasses]
+  GoogleTestLib
+
+[BuildOptions]
+  MSFT:*_*_*_CC_FLAGS = /EHsc

UefiCpuPkg/Test/UefiCpuPkgHostTest.dsc

@@ -39,3 +39,8 @@
   # Build HOST_APPLICATION that tests the CpuPageTableLib
   #
   UefiCpuPkg/Library/CpuPageTableLib/UnitTest/CpuPageTableLibUnitTestHost.inf
+
+  #
+  # Build HOST_APPLICATION Libraries for GoogleTests
+  #
+  UefiCpuPkg/Test/Mock/Library/GoogleTest/MockLocalApicLib/MockLocalApicLib.inf

UefiCpuPkg/UefiCpuPkg.dec

@@ -18,6 +18,7 @@
 
 [Includes]
   Include
+  Test/Mock/Include
 
 [LibraryClasses]
   ##  @libraryclass  Defines some routines that are used to register/manage/program