032862642d
Move the definition of variable "mEsrtTable" and "mIsVirtualAddrConverted" to DxeCapsuleLib.c. Cc: Jiewen Yao <jiewen.yao@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Dandan Bi <dandan.bi@intel.com> Reviewed-by: jiewen.yao@intel.com
138 lines
3.8 KiB
C
138 lines
3.8 KiB
C
/** @file
|
|
Capsule library runtime support.
|
|
|
|
Copyright (c) 2016 - 2017, 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 <Guid/FmpCapsule.h>
|
|
#include <Guid/SystemResourceTable.h>
|
|
#include <Guid/EventGroup.h>
|
|
|
|
#include <Library/BaseLib.h>
|
|
#include <Library/DebugLib.h>
|
|
#include <Library/BaseMemoryLib.h>
|
|
#include <Library/DxeServicesTableLib.h>
|
|
#include <Library/UefiBootServicesTableLib.h>
|
|
#include <Library/UefiRuntimeServicesTableLib.h>
|
|
#include <Library/MemoryAllocationLib.h>
|
|
|
|
extern EFI_SYSTEM_RESOURCE_TABLE *mEsrtTable;
|
|
extern BOOLEAN mIsVirtualAddrConverted;
|
|
EFI_EVENT mDxeRuntimeCapsuleLibVirtualAddressChangeEvent = NULL;
|
|
|
|
/**
|
|
Convert EsrtTable physical address to virtual address.
|
|
|
|
@param[in] Event Event whose notification function is being invoked.
|
|
@param[in] Context The pointer to the notification function's context, which
|
|
is implementation-dependent.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
DxeCapsuleLibVirtualAddressChangeEvent (
|
|
IN EFI_EVENT Event,
|
|
IN VOID *Context
|
|
)
|
|
{
|
|
UINTN Index;
|
|
EFI_CONFIGURATION_TABLE *ConfigEntry;
|
|
|
|
//
|
|
// Get Esrt table first
|
|
//
|
|
ConfigEntry = gST->ConfigurationTable;
|
|
for (Index = 0; Index < gST->NumberOfTableEntries; Index++) {
|
|
if (CompareGuid(&gEfiSystemResourceTableGuid, &ConfigEntry->VendorGuid)) {
|
|
break;
|
|
}
|
|
ConfigEntry++;
|
|
}
|
|
|
|
//
|
|
// If no Esrt table installed in Configure Table
|
|
//
|
|
if (Index < gST->NumberOfTableEntries) {
|
|
//
|
|
// Search Esrt to check given capsule is qualified
|
|
//
|
|
mEsrtTable = (EFI_SYSTEM_RESOURCE_TABLE *) ConfigEntry->VendorTable;
|
|
|
|
//
|
|
// Update protocol pointer to Esrt Table.
|
|
//
|
|
gRT->ConvertPointer (0x00, (VOID**) &(mEsrtTable));
|
|
}
|
|
|
|
mIsVirtualAddrConverted = TRUE;
|
|
|
|
}
|
|
|
|
/**
|
|
The constructor function hook VirtualAddressChange event to use ESRT table as capsule routing table.
|
|
|
|
@param ImageHandle The firmware allocated handle for the EFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The constructor successfully .
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DxeRuntimeCapsuleLibConstructor (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Make sure we can handle virtual address changes.
|
|
//
|
|
Status = gBS->CreateEventEx (
|
|
EVT_NOTIFY_SIGNAL,
|
|
TPL_NOTIFY,
|
|
DxeCapsuleLibVirtualAddressChangeEvent,
|
|
NULL,
|
|
&gEfiEventVirtualAddressChangeGuid,
|
|
&mDxeRuntimeCapsuleLibVirtualAddressChangeEvent
|
|
);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
/**
|
|
The destructor function closes the VirtualAddressChange event.
|
|
|
|
@param ImageHandle The firmware allocated handle for the EFI image.
|
|
@param SystemTable A pointer to the EFI System Table.
|
|
|
|
@retval EFI_SUCCESS The destructor completed successfully.
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
DxeRuntimeCapsuleLibDestructor (
|
|
IN EFI_HANDLE ImageHandle,
|
|
IN EFI_SYSTEM_TABLE *SystemTable
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
|
|
//
|
|
// Close the VirtualAddressChange event.
|
|
//
|
|
Status = gBS->CloseEvent (mDxeRuntimeCapsuleLibVirtualAddressChangeEvent);
|
|
ASSERT_EFI_ERROR (Status);
|
|
|
|
return EFI_SUCCESS;
|
|
}
|