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[CHERRY-PICK] Set EFI_MEMORY_SP as System Memory #920

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merged 1 commit into from
Jun 18, 2024

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Description

Cherry picks 9051d2e from release/202311.

When supplying DxeCore with a resource descriptor HOB, a platform can choose which memory type to specify. For EFI_MEMORY_SP resource descriptor HOBs, instead of blindly setting GcdReserved as the memory type, respect what the resource descriptor HOB specified. Closes #884.

  • 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

Tested on virtual platforms with CXL memory attached.

Integration Instructions

N/A.

## Description

When supplying DxeCore with a resource descriptor HOB, a platform can
choose which memory type to specify. For EFI_MEMORY_SP resource
descriptor HOBs, instead of blindly setting GcdReserved as the memory
type, respect what the resource descriptor HOB specified. Closes microsoft#884.

- [x] 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

Tested on virtual platforms with CXL memory attached.

## Integration Instructions

N/A.
@makubacki makubacki requested review from Flickdm, os-d and apop5 June 18, 2024 00:46
@makubacki makubacki self-assigned this Jun 18, 2024
@makubacki makubacki added the type:bug Something isn't working label Jun 18, 2024
@makubacki makubacki merged commit 093cb0e into microsoft:release/202302 Jun 18, 2024
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4 participants