On 10 November 2017 at 15:49, Laszlo Ersek <[email protected]> wrote:
> The first three patches enable the PEI_CORE to report OVMF's temp
> SEC/PEI stack and heap usage.
>
>   - This depends on the new fixed PCD "PcdInitValueInTempStack",
>     recently added for
>     <https://bugzilla.tianocore.org/show_bug.cgi?id=740>
>     ("INIT_CAR_VALUE should be defined in a central location").
>
>   - Ard recently implemented the same in ArmPlatformPkg, for
>     <https://bugzilla.tianocore.org/show_bug.cgi?id=748> ("measure temp
>     SEC/PEI stack usage").
>
> The last (fourth) patch adapts OVMF to the larger MtrrLib stack demand
> that originates from commit 2bbd7e2fbd4b ("UefiCpuPkg/MtrrLib: Update
> algorithm to calculate optimal settings", 2017-09-27). OVMF's temp RAM
> size is restored to the historical / original 64KB.
>
> This work is tracked in
> <https://bugzilla.tianocore.org/show_bug.cgi?id=747> ("measure temp
> SEC/PEI stack usage; grow temp SEC/PEI RAM"), with links to related
> mailing list discussions.
>
> Repo:   https://github.com/lersek/edk2.git
> Branch: temp_ram_tweaks
>
> Cc: Ard Biesheuvel <[email protected]>
> Cc: Jordan Justen <[email protected]>
> Cc: Ruiyu Ni <[email protected]>
>
> Thanks
> Laszlo
>
> Laszlo Ersek (4):
>   OvmfPkg/Sec/Ia32: free up EAX for other uses while setting up the
>     stack
>   OvmfPkg/Sec/Ia32: seed the temporary RAM with PcdInitValueInTempStack
>   OvmfPkg/Sec/X64: seed the temporary RAM with PcdInitValueInTempStack
>   OvmfPkg: restore temporary SEC/PEI RAM size to 64KB
>

Reviewed-by: Ard Biesheuvel <[email protected]>


>  OvmfPkg/OvmfPkgIa32.fdf        |  2 +-
>  OvmfPkg/OvmfPkgIa32X64.fdf     |  2 +-
>  OvmfPkg/OvmfPkgX64.fdf         |  2 +-
>  OvmfPkg/Sec/SecMain.inf        |  1 +
>  OvmfPkg/Sec/Ia32/SecEntry.nasm | 19 ++++++++++++++++---
>  OvmfPkg/Sec/X64/SecEntry.nasm  | 15 +++++++++++++++
>  6 files changed, 35 insertions(+), 6 deletions(-)
>
> --
> 2.14.1.3.gb7cf6e02401b
>
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