(cc Liming & Mike)
On Wed, 5 Oct 2022 at 22:33, Dionna Glaze <dionnagl...@google.com> wrote:
>
> Location of notification is has been specified in UEFI v2.9.
>
> Cc: Gerd Hoffmann <kra...@redhat.com>
> Cc: James Bottomley <j...@linux.ibm.com>
> Cc: Jiewen Yao <jiewen....@intel.com>
> Cc: Tom Lendacky <thomas.lenda...@amd.com>
> Cc: Ard Biesheuvel <a...@kernel.org>
> Cc: "Min M. Xu" <min.m...@intel.com>
> Cc: Andrew Fish <af...@apple.com>
> Cc: "Michael D. Kinney" <michael.d.kin...@intel.com>
> Cc: Ray Ni <ray...@intel.com>
>
> Signed-off-by: Dionna Glaze <dionnagl...@google.com>
Reviewed-by: Ard Biesheuvel <a...@kernel.org>
> ---
> MdeModulePkg/Core/Dxe/DxeMain.inf | 1 +
> MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c | 6 ++++++
> 2 files changed, 7 insertions(+)
>
> diff --git a/MdeModulePkg/Core/Dxe/DxeMain.inf
> b/MdeModulePkg/Core/Dxe/DxeMain.inf
> index e4bca89577..35d5bf0dee 100644
> --- a/MdeModulePkg/Core/Dxe/DxeMain.inf
> +++ b/MdeModulePkg/Core/Dxe/DxeMain.inf
> @@ -100,6 +100,7 @@
> gEfiEventVirtualAddressChangeGuid ## CONSUMES ##
> Event
> ## CONSUMES ## Event
> ## PRODUCES ## Event
> + gEfiEventBeforeExitBootServicesGuid
> gEfiEventExitBootServicesGuid
> gEfiHobMemoryAllocModuleGuid ## SOMETIMES_CONSUMES ##
> HOB
> gEfiFirmwareFileSystem2Guid ## CONSUMES ##
> GUID # Used to compare with FV's file system guid and get the FV's file
> system format
> diff --git a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
> b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
> index 5733f0c8ec..4683016ed7 100644
> --- a/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
> +++ b/MdeModulePkg/Core/Dxe/DxeMain/DxeMain.c
> @@ -763,6 +763,12 @@ CoreExitBootServices (
> {
> EFI_STATUS Status;
>
> + //
> + // Notify other drivers of their last chance to use boot services
> + // before the memory map is terminated.
> + //
> + CoreNotifySignalList (&gEfiEventBeforeExitBootServicesGuid);
> +
> //
> // Disable Timer
> //
> --
> 2.38.0.rc1.362.ged0d419d3c-goog
>
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