[edk2-devel] [PATCH v8 3/7] MdeModulePkg: Notify BeforeExitBootServices in CoreExitBootServices

[Yao, Jiewen]

Acked-by: Jiewen Yao <Jiewen.yao at intel.com>

> -----Original Message-----
> From: Dionna Glaze <dionnaglaze at google.com>
> Sent: Tuesday, October 25, 2022 4:41 AM
> To: devel at edk2.groups.io
> Cc: Dionna Glaze <dionnaglaze at google.com>; Gerd Hoffmann
> <kraxel at redhat.com>; James Bottomley <jejb at linux.ibm.com>; Yao,
> Jiewen <jiewen.yao at intel.com>; Tom Lendacky
> <thomas.lendacky at amd.com>; Ard Biesheuvel <ardb at kernel.org>; Xu,
> Min M <min.m.xu at intel.com>; Andrew Fish <afish at apple.com>; Kinney,
> Michael D <michael.d.kinney at intel.com>; Ni, Ray <ray.ni at intel.com>
> Subject: [PATCH v8 3/7] MdeModulePkg: Notify BeforeExitBootServices in
> CoreExitBootServices
> 
> Location of notification is has been specified in UEFI v2.9.
> 
> Cc: Gerd Hoffmann <kraxel at redhat.com>
> Cc: James Bottomley <jejb at linux.ibm.com>
> Cc: Jiewen Yao <jiewen.yao at intel.com>
> Cc: Tom Lendacky <thomas.lendacky at amd.com>
> Cc: Ard Biesheuvel <ardb at kernel.org>
> Cc: "Min M. Xu" <min.m.xu at intel.com>
> Cc: Andrew Fish <afish at apple.com>
> Cc: "Michael D. Kinney" <michael.d.kinney at intel.com>
> Cc: Ray Ni <ray.ni at intel.com>
> 
> Signed-off-by: Dionna Glaze <dionnaglaze at google.com>
> ---
>  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
>    //
> --
> 2.38.0.135.g90850a2211-goog



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