diff options
Diffstat (limited to 'IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c')
| -rw-r--r-- | IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c | 250 |
1 files changed, 250 insertions, 0 deletions
diff --git a/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c new file mode 100644 index 0000000000..30c06b88bf --- /dev/null +++ b/IntelFsp2WrapperPkg/FspWrapperNotifyDxe/FspWrapperNotifyDxe.c @@ -0,0 +1,250 @@ +/** @file
+ This driver will register two callbacks to call fsp's notifies.
+
+ Copyright (c) 2014 - 2016, Intel Corporation. All rights reserved.<BR>
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiDxe.h>
+
+#include <Protocol/PciEnumerationComplete.h>
+
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/UefiLib.h>
+#include <Library/FspWrapperApiLib.h>
+#include <Library/PerformanceLib.h>
+#include <Library/HobLib.h>
+
+typedef
+EFI_STATUS
+(EFIAPI * ADD_PERFORMANCE_RECORDS)(
+ IN CONST VOID *HobStart
+ );
+
+struct _ADD_PERFORMANCE_RECORD_PROTOCOL {
+ ADD_PERFORMANCE_RECORDS AddPerformanceRecords;
+};
+
+typedef struct _ADD_PERFORMANCE_RECORD_PROTOCOL ADD_PERFORMANCE_RECORD_PROTOCOL;
+
+extern EFI_GUID gAddPerfRecordProtocolGuid;
+extern EFI_GUID gFspHobGuid;
+extern EFI_GUID gFspApiPerformanceGuid;
+
+EFI_EVENT mExitBootServicesEvent = NULL;
+
+/**
+ Relocate this image under 4G memory.
+
+ @param ImageHandle Handle of driver image.
+ @param SystemTable Pointer to system table.
+
+ @retval EFI_SUCCESS Image successfully relocated.
+ @retval EFI_ABORTED Failed to relocate image.
+
+**/
+EFI_STATUS
+RelocateImageUnder4GIfNeeded (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+
+/**
+ PciEnumerationComplete Protocol notification event handler.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+**/
+VOID
+EFIAPI
+OnPciEnumerationComplete (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;
+ EFI_STATUS Status;
+ VOID *Interface;
+
+ //
+ // Try to locate it because gEfiPciEnumerationCompleteProtocolGuid will trigger it once when registration.
+ // Just return if it is not found.
+ //
+ Status = gBS->LocateProtocol (
+ &gEfiPciEnumerationCompleteProtocolGuid,
+ NULL,
+ &Interface
+ );
+ if (EFI_ERROR (Status)) {
+ return ;
+ }
+
+ NotifyPhaseParams.Phase = EnumInitPhaseAfterPciEnumeration;
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x6000);
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x607F);
+ if (Status != EFI_SUCCESS) {
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase AfterPciEnumeration failed, status: 0x%x\n", Status));
+ } else {
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase AfterPciEnumeration Success.\n"));
+ }
+}
+
+/**
+ Notification function of EVT_GROUP_READY_TO_BOOT event group.
+
+ This is a notification function registered on EVT_GROUP_READY_TO_BOOT event group.
+ When the Boot Manager is about to load and execute a boot option, it reclaims variable
+ storage if free size is below the threshold.
+
+ @param[in] Event Event whose notification function is being invoked.
+ @param[in] Context Pointer to the notification function's context.
+
+**/
+VOID
+EFIAPI
+OnReadyToBoot (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;
+ EFI_STATUS Status;
+ ADD_PERFORMANCE_RECORD_PROTOCOL *AddPerfRecordInterface;
+ EFI_PEI_HOB_POINTERS Hob;
+ VOID **FspHobListPtr;
+
+ gBS->CloseEvent (Event);
+
+ NotifyPhaseParams.Phase = EnumInitPhaseReadyToBoot;
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x4000);
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x407F);
+ if (Status != EFI_SUCCESS) {
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase ReadyToBoot failed, status: 0x%x\n", Status));
+ } else {
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase ReadyToBoot Success.\n"));
+ }
+
+ Status = gBS->LocateProtocol (
+ &gAddPerfRecordProtocolGuid,
+ NULL,
+ (VOID**) &AddPerfRecordInterface
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG((DEBUG_INFO, "gAddPerfRecordProtocolGuid - Locate protocol failed\n"));
+ return;
+ } else {
+ Hob.Raw = GetHobList ();
+ if (Hob.Raw != NULL) {
+ Hob.Raw = GetNextGuidHob (&gFspHobGuid, Hob.Raw);
+ FspHobListPtr = GET_GUID_HOB_DATA(Hob.Raw);
+ AddPerfRecordInterface->AddPerformanceRecords((VOID *)(UINTN)(((UINT32)(UINTN)*FspHobListPtr) & 0xFFFFFFFF));
+ }
+ }
+}
+
+/**
+ This stage is notified just before the firmware/Preboot environment transfers
+ management of all system resources to the OS or next level execution environment.
+
+ @param Event Event whose notification function is being invoked.
+ @param Context Pointer to the notification function's context, which is
+ always zero in current implementation.
+
+**/
+VOID
+EFIAPI
+OnEndOfFirmware (
+ IN EFI_EVENT Event,
+ IN VOID *Context
+ )
+{
+ NOTIFY_PHASE_PARAMS NotifyPhaseParams;
+ EFI_STATUS Status;
+
+ gBS->CloseEvent (Event);
+
+ NotifyPhaseParams.Phase = EnumInitPhaseEndOfFirmware;
+ PERF_START_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x2000);
+ Status = CallFspNotifyPhase (&NotifyPhaseParams);
+ PERF_END_EX(&gFspApiPerformanceGuid, "EventRec", NULL, 0, 0x207F);
+ if (Status != EFI_SUCCESS) {
+ DEBUG((DEBUG_ERROR, "FSP NotifyPhase EndOfFirmware failed, status: 0x%x\n", Status));
+ } else {
+ DEBUG((DEBUG_INFO, "FSP NotifyPhase EndOfFirmware Success.\n"));
+ }
+}
+
+/**
+ Main entry for the FSP DXE module.
+
+ This routine registers two callbacks to call fsp's notifies.
+
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.
+ @param[in] SystemTable A pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurs when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+FspWrapperNotifyDxeEntryPoint (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+ EFI_EVENT ReadyToBootEvent;
+ VOID *Registration;
+ EFI_EVENT ProtocolNotifyEvent;
+
+ //
+ // Load this driver's image to memory
+ //
+ Status = RelocateImageUnder4GIfNeeded (ImageHandle, SystemTable);
+ if (EFI_ERROR (Status)) {
+ return EFI_SUCCESS;
+ }
+
+ ProtocolNotifyEvent = EfiCreateProtocolNotifyEvent (
+ &gEfiPciEnumerationCompleteProtocolGuid,
+ TPL_CALLBACK,
+ OnPciEnumerationComplete,
+ NULL,
+ &Registration
+ );
+ ASSERT (ProtocolNotifyEvent != NULL);
+
+ Status = EfiCreateEventReadyToBootEx (
+ TPL_CALLBACK,
+ OnReadyToBoot,
+ NULL,
+ &ReadyToBootEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ OnEndOfFirmware,
+ NULL,
+ &gEfiEventExitBootServicesGuid,
+ &mExitBootServicesEvent
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
+
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