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Update ReadMe.rst to add mock-related breaking changes #1130

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Sep 3, 2024
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Update ReadMe.rst to add mock-related breaking changes #1130

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18 changes: 13 additions & 5 deletions ReadMe.rst
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Expand Up @@ -45,28 +45,36 @@ Breaking Changes-dev
- MuPreExitBootServices has been removed in favor of gEfiEventBeforeExitBootServicesGuid. gEfiEventBeforeExitBootServicesGuid can be signaled multiple times, so be sure to close the events that are being signaled when this is changed.
- AmdSvsmLib is now a required library for IA32/X64 platforms using UefiCpuPkg/Library/MpInitLib/DxeMpInitLib,UefiCpuPkg/Library/MpInitLib/PeiMpInitLib.
- MdePkg/Library/CompilerIntrinsics no longer contains strcmp functionality.

- The strcmp functionality moved to CryptoPkg/Library/BaseCryptLib/SysCall/CrtWrapper.c where it is available to the third-party crypto code that previously used the code from the library.
- NetworkPkg requires EFI_RNG_PROTOCOL and EFI_HASH2_PROTOCOL to be available. This is part of CVE-2023-45237.
- CryptoBinPkg requires the platform to supply EFI_RNG_PPI in the Pei phase, and EFI_RNG_PROTOCOL in the Dxe phase.
- RngPei can be used to produce the RNG PPI. See [SecurityPkg/RandomNumberGenerator/RngPei](https://github.com/microsoft/mu_tiano_plus/tree/release/202405/SecurityPkg/RandomNumberGenerator/RngPei) in Mu Tiano Plus.

- RngPei can be used to produce the RNG PPI. See `SecurityPkg/RandomNumberGenerator/RngPei <https://github.com/microsoft/mu_tiano_plus/tree/release/202405/SecurityPkg/RandomNumberGenerator/RngPei/>`_ in Mu Tiano Plus.
- TOOL_CHAIN_TAG=GCC and TOOL_CHAIN_TAG=GCC5 are both supported. GCC will become the normal in a future release.
- ImageValidation will now run on all systems with a default configuration. This will verify generated images are ready for memory protections. Details available [Here](.pytool\Plugin\ImageValidation\ReadMe.md).
- ImageValidation will now run on all systems with a default configuration. This will verify generated images are ready for memory protections. Details available `Here <https://github.com/microsoft/mu_basecore/tree/release/202405/.pytool/Plugin/ImageValidation/ReadMe.md>`_.
- MdePkg/Test/Library Cmocka mocks and stubs have been moved and paths need to be updated.

- ``MdePkg/Test/Library/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.inf`` has been moved to ``MdePkg/Test/Mock/Library/Cmocka/MockUefiRuntimeServicesTableLib/MockUefiRuntimeServicesTableLib.inf``.
- ``MdePkg/Test/Library/MockUefiBootServicesTableLib/MockUefiBootServicesTableLib.inf`` has been moved to ``MdePkg/Test/Mock/Library/Cmocka/MockUefiBootServicesTableLib/MockUefiBootServicesTableLib.inf``.
- ``MdePkg/Test/Library/StubUefiLib/StubUefiLib.inf`` has been moved to ``MdePkg/Test/Mock/Library/Stub/StubUefiLib/StubUefiLib.inf``.
- ``MdePkg/Test/Library/StubHobLib/StubHobLib.inf`` has been moved to ``MdePkg/Test/Mock/Library/Stub/StubHobLib/StubHobLib.inf``.

Main Changes-dev
----------------
- Add SPI bus driver stack
- NetworkPkg: Predictable TCP ISNs
- NetworkPkg: Use of a Weak PseudoRandom Number Generator
- UefiCpuPkg: Add new SmmRelocationLib library
- NetworkPkg: Packet->Length is not updated before being used by Dhcp6AppendIaAddrOption to safely know it can append.
- NetworkPkg: ``Packet->Length`` is not updated before being used by Dhcp6AppendIaAddrOption to safely know it can append.
- NetworkPkg: Out-of-bounds read when processing IA_NA/IA_TA options in a DHCPv6 Advertise message
- DXE Core system time runs faster than expected when using PcAtChipsetPkg/HpetTimerDxe
- CalculateCrc16Ansi miscalculates the checksum
- PciIoMap does not return status from mIoMmuProtocol->SetAttribute
- PciIoMap does not return status from ``mIoMmuProtocol->SetAttribute``

Platform Integration Reference
------------------------------
Reference platforms which consume release/202405 are available in [mu_tiano_platforms](https://github.com/microsoft/mu_tiano_platforms).
Reference platforms which consume release/202405 are available in `mu_tiano_platforms <https://github.com/microsoft/mu_tiano_platforms>`_.

Code of Conduct
===============
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