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OvmfPkg: DxeTcg2PhysicalPresenceLib: fix changing of PCR banks #164

Merged
merged 3 commits into from
Sep 16, 2024
Merged

OvmfPkg: DxeTcg2PhysicalPresenceLib: fix changing of PCR banks #164

merged 3 commits into from
Sep 16, 2024

Commits on Sep 4, 2024

  1. OvmfPkg: DxeTcg2PhysicalPresenceLib: fix changing of PCR banks 

    Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction writes to TPM2
physical presence PPI provided by coreboot (a memory region preserved
across reboots). CPU caches must be explicitly flushed prior to platform
reboot or request written to PPI will be lost.

Signed-off-by: Artur Kowalski <[email protected]>
    @arturkow2000 @miczyg1
    arturkow2000 authored and miczyg1 committed Sep 4, 2024
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Commits on Sep 11, 2024

  1. OvmfPkg: DxeTcg2PhysicalPresenceLib: fix bootloop 

    Flush cache not only when placing request in PPI, but also after
clearing old request from PPI.

Signed-off-by: Artur Kowalski <[email protected]>
    @arturkow2000
    arturkow2000 committed Sep 11, 2024
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Commits on Sep 16, 2024

  1. .github/workflows/build.yml: Bump upload-artifacts to v4 

    Signed-off-by: Michał Żygowski <[email protected]>
    @miczyg1
    miczyg1 committed Sep 16, 2024
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