On Fri, 19 May 2023 at 16:56, Sami Mujawar <sami.mujawar@arm.com> wrote:
>
> Kvmtool allows guest VMs to be launched with or without
> a CFI flash device. The guest hardware configuration can
> be seen in the device tree that Kvmtool hands off to the
> guest firmware.
>
> Therefore, add support to dynamically detect if a CFI
> flash device is present. If CFI is present use the
> NorFlashDxe driver as the backend for variable services;
> otherwise use emulated runtime variables.
>
> The last patch in this series fix a crash due to stack
> overflow which is observed when running the UEFI shell
> command 'dmpstore'.
>
> The first 4 patches in this series have not been modified
> and are resent with the v2 series.
>
> The changes can be seen at:
> https://github.com/samimujawar/edk2/tree/2646_dynamic_cfi_detection_v2
>
> Sami Mujawar (5):
> ArmPkg: Configure PcdEmuVariableNvModeEnable as a dynamic PCD
> ArmVirtPkg: Define variables for emulating runtime variables
> ArmVirtPkg: Fallback to variable emulation if no CFI is found
> ArmVirtPkg: Dispatch variable service if variable emulation is enabled
> ArmVirtPkg/PrePi: Allocate separate stack for Dxe phase
>
Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
> ArmPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf | 2 +-
> ArmVirtPkg/ArmVirtKvmTool.dsc | 11 ++++--
> ArmVirtPkg/KvmtoolPlatformDxe/KvmtoolPlatformDxe.c | 13 ++++++-
> ArmVirtPkg/KvmtoolPlatformDxe/KvmtoolPlatformDxe.inf | 4 ++-
> ArmVirtPkg/Library/NorFlashKvmtoolLib/NorFlashKvmtool.c | 38 +++++++++++++++++---
> ArmVirtPkg/Library/NorFlashKvmtoolLib/NorFlashKvmtoolLib.inf | 3 +-
> ArmVirtPkg/PrePi/PrePi.c | 4 +--
> 7 files changed, 63 insertions(+), 12 deletions(-)
>
> --
> 'Guid(CE165669-3EF3-493F-B85D-6190EE5B9759)'
>
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