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Project Mu Basecore Repository

Host Type & Toolchain Build Status Test Status Code Coverage
Windows_VS2022 WindowsCiBuild WindowsCiTest WindowsCiCoverage
Ubuntu_GCC5 UbuntuCiBuild UbuntuCiTest UbuntuCiCoverage

This repository is part of Project Mu. Please see Project Mu for details https://microsoft.github.io/mu.

For more details about the repository, refer to RepoDetails.md.

Branch Status - release/202405

Status:In Development
Entered Development:2023/11/24 (Date Edk2 started accepting changes which were not in a previous release)
Anticipated Stabilization:Nov 2024

Branch Changes - release/202405

202405 is a larger deviation than previous releases. As part of upstreaming changes to EDK2, the commits were reviewed, squashed, and some were dropped. Due to these changes, there may be more work required to bring an existing platform up to 202405 compatibility.

Breaking Changes-dev

  • SourceLevelDebugPkg has been dropped. Please reevaluate usage of this Package.
  • MemoryBinOverrideLib and associated changes have been deprecated and dropped. Platforms should remove this library instance.
  • MdeModulePkg/Application/MpServicesTest/MpServicesTest.inf has been dropped. Any reliance on this should move to using mu_plus's UefiTestingPkg/FunctionalSystemTests/MpManagement.
  • NetworkPkg/SharedNetworkingPkg and NetworkPkg/SharedNetworkingPkg.fdf.inc have been dropped. Please include specific inf files in projects and directly build.
  • PerformancePkg has been dropped. The functionality will be available under UefiTestingPkg in mu_plus.
  • UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLibMu has been dropped. Please use UefiCpuPkg/Library/CpuExceptionHandlerLib/SecPeiCpuExceptionHandlerLib.
  • MdeModulePkg/Library/PeiReportStatusCodeOnlyLib/PeiReportStatusCodeLib.inf has been dropped. Please use standard PeiReportStatusCodeLib.
  • 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.
  • 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.
  • 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: 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

Platform Integration Reference

Reference platforms which consume release/202405 are available in mu_tiano_platforms.

Code of Conduct

This project has adopted the Microsoft Open Source Code of Conduct https://opensource.microsoft.com/codeofconduct/

For more information see the Code of Conduct FAQ https://opensource.microsoft.com/codeofconduct/faq/ or contact opencode@microsoft.com. with any additional questions or comments.

Contributions

Contributions are always welcome and encouraged! Please open any issues in the Project Mu GitHub tracker and read https://microsoft.github.io/mu/How/contributing/

For documentation:

Copyright & License

Copyright (c) Microsoft Corporation
SPDX-License-Identifier: BSD-2-Clause-Patent

Upstream License (TianoCore)

Copyright (c) 2019, TianoCore and contributors. All rights reserved.

SPDX-License-Identifier: BSD-2-Clause-Patent

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

Subject to the terms and conditions of this license, each copyright holder and contributor hereby grants to those receiving rights under this license a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except for failure to satisfy the conditions of this license) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer this software, where such license applies only to those patent claims, already acquired or hereafter acquired, licensable by such copyright holder or contributor that are necessarily infringed by:

  1. their Contribution(s) (the licensed copyrights of copyright holders and non-copyrightable additions of contributors, in source or binary form) alone; or
  2. combination of their Contribution(s) with the work of authorship to which such Contribution(s) was added by such copyright holder or contributor, if, at the time the Contribution is added, such addition causes such combination to be necessarily infringed. The patent license shall not apply to any other combinations which include the Contribution.

Except as expressly stated above, no rights or licenses from any copyright holder or contributor is granted under this license, whether expressly, by implication, estoppel or otherwise.

DISCLAIMER

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.