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>
Acked-by: Jiewen Yao <jiewen....@intel.com>
Signed-off-by: Dionna Glaze <dionnagl...@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
//
--
2.38.1.431.g37b22c650d-goog
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