diff options
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c | 60 |
1 files changed, 52 insertions, 8 deletions
diff --git a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c index 855b7a60fc..9bea682bee 100644 --- a/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c +++ b/MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleRuntime.c @@ -1,7 +1,7 @@ /** @file
Capsule library runtime support.
- Copyright (c) 2016 - 2017, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2016 - 2024, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2024, Ampere Computing LLC. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -23,6 +23,7 @@ extern EFI_SYSTEM_RESOURCE_TABLE *mEsrtTable;
EFI_EVENT mDxeRuntimeCapsuleLibVirtualAddressChangeEvent = NULL;
+EFI_EVENT mDxeRuntimeCapsuleLibSystemResourceTableEvent = NULL;
EFI_EVENT mDxeRuntimeCapsuleLibReadyToBootEvent = NULL;
extern BOOLEAN mDxeCapsuleLibReadyToBootEvent;
@@ -44,16 +45,16 @@ DxeCapsuleLibVirtualAddressChangeEvent ( }
/**
- Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT.
+ Notify function for event of system resource table installation.
- @param[in] Event The Event that is being processed.
- @param[in] Context The Event Context.
+ @param[in] Event The Event that is being processed.
+ @param[in] Context The Event Context.
**/
STATIC
VOID
EFIAPI
-DxeCapsuleLibReadyToBootEventNotify (
+DxeCapsuleLibSystemResourceTableInstallEventNotify (
IN EFI_EVENT Event,
IN VOID *Context
)
@@ -79,6 +80,14 @@ DxeCapsuleLibReadyToBootEventNotify ( //
if (Index < gST->NumberOfTableEntries) {
//
+ // Free the pool to remove the cached ESRT table.
+ //
+ if (mEsrtTable != NULL) {
+ FreePool ((VOID *)mEsrtTable);
+ mEsrtTable = NULL;
+ }
+
+ //
// Search Esrt to check given capsule is qualified
//
EsrtTable = (EFI_SYSTEM_RESOURCE_TABLE *)ConfigEntry->VendorTable;
@@ -95,12 +104,28 @@ DxeCapsuleLibReadyToBootEventNotify ( //
mEsrtTable->FwResourceCountMax = mEsrtTable->FwResourceCount;
}
+}
+/**
+ Notify function for event group EFI_EVENT_GROUP_READY_TO_BOOT.
+
+ @param[in] Event The Event that is being processed.
+ @param[in] Context The Event Context.
+
+**/
+STATIC
+VOID
+EFIAPI
+DxeCapsuleLibReadyToBootEventNotify (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
mDxeCapsuleLibReadyToBootEvent = TRUE;
}
/**
- The constructor function hook VirtualAddressChange event to use ESRT table as capsule routing table.
+ The constructor function for the file of DxeCapsuleRuntime.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@@ -130,7 +155,20 @@ DxeRuntimeCapsuleLibConstructor ( ASSERT_EFI_ERROR (Status);
//
- // Register notify function to cache the FMP capsule GUIDs at ReadyToBoot.
+ // Register notify function to cache the FMP capsule GUIDs when system resource table installed.
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_CALLBACK,
+ DxeCapsuleLibSystemResourceTableInstallEventNotify,
+ NULL,
+ &gEfiSystemResourceTableGuid,
+ &mDxeRuntimeCapsuleLibSystemResourceTableEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ //
+ // Register notify function to indicate the event is signaled at ReadyToBoot.
//
Status = gBS->CreateEventEx (
EVT_NOTIFY_SIGNAL,
@@ -146,7 +184,7 @@ DxeRuntimeCapsuleLibConstructor ( }
/**
- The destructor function closes the VirtualAddressChange event.
+ The destructor function for the file of DxeCapsuleRuntime.
@param ImageHandle The firmware allocated handle for the EFI image.
@param SystemTable A pointer to the EFI System Table.
@@ -169,6 +207,12 @@ DxeRuntimeCapsuleLibDestructor ( ASSERT_EFI_ERROR (Status);
//
+ // Close the system resource table installed event.
+ //
+ Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibSystemResourceTableEvent);
+ ASSERT_EFI_ERROR (Status);
+
+ //
// Close the ReadyToBoot event.
//
Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibReadyToBootEvent);
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