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MdeModulePkg/CapsuleRuntimeDxe: Add cache flush for IA32 and X64

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BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=1462

The IA32 and X64 ARCH need cache flush function during capsule update.
And the cache flush is already implemented in arm ARCH, so add this
function CapsuleCacheWriteBack() to IA32 and X64 ARCH. And add a null
version for EBC.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhichao Gao <zhichao.gao@intel.com>
Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
This commit is contained in:
Zhichao Gao 2019-03-22 11:07:17 +08:00 committed by Liming Gao
parent b02873340b
commit a89fd3a359
5 changed files with 115 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
MdeModulePkg/Universal/CapsuleRuntimeDxe/Arm/CapsuleReset.c
View File

@ -3,6 +3,7 @@
PersistAcrossReset capsules
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
Copyright (c) 2019, 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
@ -16,8 +17,6 @@
#include "CapsuleService.h"
#include <Library/CacheMaintenanceLib.h>
/**
Whether the platform supports capsules that persist across reset. Note that
some platforms only support such capsules at boot time.
@ -41,35 +40,3 @@ IsPersistAcrossResetCapsuleSupported (
return FeaturePcdGet (PcdSupportUpdateCapsuleReset) && !EfiAtRuntime ();
}
/**
Writes Back a range of data cache lines covering a set of capsules in memory.
Writes Back the data cache lines specified by ScatterGatherList.
@param ScatterGatherList Physical address of the data structure that
describes a set of capsules in memory
**/
VOID
CapsuleCacheWriteBack (
IN EFI_PHYSICAL_ADDRESS ScatterGatherList
)
{
EFI_CAPSULE_BLOCK_DESCRIPTOR *Desc;
Desc = (EFI_CAPSULE_BLOCK_DESCRIPTOR *)(UINTN)ScatterGatherList;
do {
WriteBackDataCacheRange (Desc, sizeof *Desc);
if (Desc->Length > 0) {
WriteBackDataCacheRange ((VOID *)(UINTN)Desc->Union.DataBlock,
Desc->Length
);
Desc++;
} else if (Desc->Union.ContinuationPointer > 0) {
Desc = (EFI_CAPSULE_BLOCK_DESCRIPTOR *)(UINTN)Desc->Union.ContinuationPointer;
}
} while (Desc->Length > 0 || Desc->Union.ContinuationPointer > 0);
WriteBackDataCacheRange (Desc, sizeof *Desc);
}

63
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleCache.c Normal file
View File

@ -0,0 +1,63 @@
/** @file
Flush the cache is required for most architectures while do capsule
update. It is not support at Runtime.
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
Copyright (c) 2019, 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 "CapsuleService.h"
#include <Library/CacheMaintenanceLib.h>
/**
Writes Back a range of data cache lines covering a set of capsules in memory.
Writes Back the data cache lines specified by ScatterGatherList.
@param ScatterGatherList Physical address of the data structure that
describes a set of capsules in memory
**/
VOID
CapsuleCacheWriteBack (
IN EFI_PHYSICAL_ADDRESS ScatterGatherList
)
{
EFI_CAPSULE_BLOCK_DESCRIPTOR *Desc;
if (!EfiAtRuntime ()) {
Desc = (EFI_CAPSULE_BLOCK_DESCRIPTOR *)(UINTN)ScatterGatherList;
do {
WriteBackDataCacheRange (
(VOID *)(UINTN)Desc,
(UINTN)sizeof (*Desc)
);
if (Desc->Length > 0) {
WriteBackDataCacheRange (
(VOID *)(UINTN)Desc->Union.DataBlock,
(UINTN)Desc->Length
);
Desc++;
} else if (Desc->Union.ContinuationPointer > 0) {
Desc = (EFI_CAPSULE_BLOCK_DESCRIPTOR *)(UINTN)Desc->Union.ContinuationPointer;
}
} while (Desc->Length > 0 || Desc->Union.ContinuationPointer > 0);
WriteBackDataCacheRange (
(VOID *)(UINTN)Desc,
(UINTN)sizeof (*Desc)
);
}
}

38
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleCacheNull.c Normal file
View File

@ -0,0 +1,38 @@
/** @file
Null function version of cache function.
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
Copyright (c) 2019, 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 "CapsuleService.h"
#include <Library/CacheMaintenanceLib.h>
/**
Writes Back a range of data cache lines covering a set of capsules in memory.
Writes Back the data cache lines specified by ScatterGatherList.
Null version, do nothing.
@param ScatterGatherList Physical address of the data structure that
describes a set of capsules in memory
**/
VOID
CapsuleCacheWriteBack (
IN EFI_PHYSICAL_ADDRESS ScatterGatherList
)
{
}

16
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleReset.c
View File

@ -3,6 +3,7 @@
PersistAcrossReset capsules
Copyright (c) 2018, Linaro, Ltd. All rights reserved.<BR>
Copyright (c) 2019, 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
@ -32,18 +33,3 @@ IsPersistAcrossResetCapsuleSupported (
return FeaturePcdGet (PcdSupportUpdateCapsuleReset);
}
/**
Writes Back a range of data cache lines covering a set of capsules in memory.
Writes Back the data cache lines specified by ScatterGatherList.
@param ScatterGatherList Physical address of the data structure that
describes a set of capsules in memory
**/
VOID
CapsuleCacheWriteBack (
IN EFI_PHYSICAL_ADDRESS ScatterGatherList
)
{
}

20
MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
View File

@ -4,7 +4,7 @@
# It installs the Capsule Architectural Protocol defined in PI1.0a to signify
# the capsule runtime services are ready.
#
# Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
# Copyright (c) 2006 - 2019, 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
@ -36,16 +36,22 @@
[Sources.Ia32, Sources.EBC, Sources.ARM, Sources.AARCH64]
SaveLongModeContext.c
CapsuleReset.c
[Sources.X64]
X64/SaveLongModeContext.c
[Sources.Ia32, Sources.X64, Sources.ARM, Sources.AARCH64]
CapsuleCache.c
[Sources.Ia32, Sources.X64, Sources.EBC]
CapsuleReset.c
[Sources.ARM, Sources.AARCH64]
SaveLongModeContext.c
Arm/CapsuleReset.c
[Sources.EBC]
CapsuleCacheNull.c
[Sources.X64]
X64/SaveLongModeContext.c
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
@ -61,14 +67,12 @@
BaseLib
PrintLib
BaseMemoryLib
CacheMaintenanceLib
[LibraryClasses.X64]
UefiLib
BaseMemoryLib
[LibraryClasses.ARM, LibraryClasses.AARCH64]
CacheMaintenanceLib
[Guids]
## SOMETIMES_PRODUCES ## Variable:L"CapsuleUpdateData" # (Process across reset capsule image) for capsule updated data
## SOMETIMES_PRODUCES ## Variable:L"CapsuleLongModeBuffer" # The long mode buffer used by IA32 Capsule PEIM to call X64 CapsuleCoalesce code to handle >4GB capsule blocks