[edk2-devel] 回复: [PATCH v1 1/1] MdeModulePkg/BdsDxe: Update BdsEntry to use Variable Policy
gaoliming
gaoliming at byosoft.com.cn
Fri Jun 18 00:53:19 UTC 2021
Ken:
This version looks good to me. If no other comment is got, I will merge
it.
Thanks
Liming
> -----邮件原件-----
> 发件人: kenlautner3 at gmail.com <kenlautner3 at gmail.com>
> 发送时间: 2021年6月18日 0:07
> 收件人: devel at edk2.groups.io
> 抄送: Jian J Wang <jian.j.wang at intel.com>; Hao A Wu
> <hao.a.wu at intel.com>; Zhichao Gao <zhichao.gao at intel.com>; Ray Ni
> <ray.ni at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>
> 主题: [PATCH v1 1/1] MdeModulePkg/BdsDxe: Update BdsEntry to use
> Variable Policy
>
> From: Ken Lautner <klautner at microsoft.com>
>
> Changed BdsEntry.c to use Variable Policy instead of Variable Lock
> as Variable Lock will be Deprecated eventually
>
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Cc: Zhichao Gao <zhichao.gao at intel.com>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
>
> Signed-off-by: Kenneth Lautner <kenlautner3 at gmail.com>
> Reviewed-by: Liming Gao <gaoliming at byosoft.com.cn>
> ---
> MdeModulePkg/Universal/BdsDxe/Bds.h | 1 -
> MdeModulePkg/Universal/BdsDxe/BdsDxe.inf | 4 +++-
> MdeModulePkg/Universal/BdsDxe/BdsEntry.c | 20 +++++++++++++++-----
> 3 files changed, 18 insertions(+), 7 deletions(-)
>
> diff --git a/MdeModulePkg/Universal/BdsDxe/Bds.h
> b/MdeModulePkg/Universal/BdsDxe/Bds.h
> index e7a9b5b4b7cb..84548041e861 100644
> --- a/MdeModulePkg/Universal/BdsDxe/Bds.h
> +++ b/MdeModulePkg/Universal/BdsDxe/Bds.h
> @@ -17,7 +17,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>
>
> #include <Protocol/Bds.h>
>
> #include <Protocol/LoadedImage.h>
>
> -#include <Protocol/VariableLock.h>
>
> #include <Protocol/DeferredImageLoad.h>
>
>
>
> #include <Library/UefiDriverEntryPoint.h>
>
> diff --git a/MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
> b/MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
> index 9310b4dccb18..76ff6a0f5fc3 100644
> --- a/MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
> +++ b/MdeModulePkg/Universal/BdsDxe/BdsDxe.inf
> @@ -50,6 +50,8 @@
> BaseMemoryLib
>
> DebugLib
>
> UefiBootManagerLib
>
> + VariablePolicyLib
>
> + VariablePolicyHelperLib
>
> PlatformBootManagerLib
>
> PcdLib
>
> PrintLib
>
> @@ -77,7 +79,7 @@
> [Protocols]
>
> gEfiBdsArchProtocolGuid ## PRODUCES
>
> gEfiSimpleTextInputExProtocolGuid ## CONSUMES
>
> - gEdkiiVariableLockProtocolGuid ##
> SOMETIMES_CONSUMES
>
> + gEdkiiVariablePolicyProtocolGuid ##
> SOMETIMES_CONSUMES
>
> gEfiDeferredImageLoadProtocolGuid ## CONSUMES
>
>
>
> [FeaturePcd]
>
> diff --git a/MdeModulePkg/Universal/BdsDxe/BdsEntry.c
> b/MdeModulePkg/Universal/BdsDxe/BdsEntry.c
> index 83b773a2fa5f..13c10bdc5bf8 100644
> --- a/MdeModulePkg/Universal/BdsDxe/BdsEntry.c
> +++ b/MdeModulePkg/Universal/BdsDxe/BdsEntry.c
> @@ -15,6 +15,7 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> #include "Bds.h"
>
> #include "Language.h"
>
> #include "HwErrRecSupport.h"
>
> +#include <Library/VariablePolicyHelperLib.h>
>
>
>
> #define SET_BOOT_OPTION_SUPPORT_KEY_COUNT(a, c) { \
>
> (a) = ((a) & ~EFI_BOOT_OPTION_SUPPORT_COUNT) | (((c) <<
> LowBitSet32 (EFI_BOOT_OPTION_SUPPORT_COUNT)) &
> EFI_BOOT_OPTION_SUPPORT_COUNT); \
>
> @@ -670,7 +671,7 @@ BdsEntry (
> EFI_STATUS Status;
>
> UINT32 BootOptionSupport;
>
> UINT16 BootTimeOut;
>
> - EDKII_VARIABLE_LOCK_PROTOCOL *VariableLock;
>
> + EDKII_VARIABLE_POLICY_PROTOCOL *VariablePolicy;
>
> UINTN Index;
>
> EFI_BOOT_MANAGER_LOAD_OPTION LoadOption;
>
> UINT16 *BootNext;
>
> @@ -716,12 +717,21 @@ BdsEntry (
> //
>
> // Mark the read-only variables if the Variable Lock protocol exists
>
> //
>
> - Status = gBS->LocateProtocol (&gEdkiiVariableLockProtocolGuid, NULL,
> (VOID **) &VariableLock);
>
> - DEBUG ((EFI_D_INFO, "[BdsDxe] Locate Variable Lock protocol - %r\n",
> Status));
>
> + Status = gBS->LocateProtocol(&gEdkiiVariablePolicyProtocolGuid, NULL,
> (VOID**)&VariablePolicy);
>
> + DEBUG((DEBUG_INFO, "[BdsDxe] Locate Variable Policy protocol - %r\n",
> Status));
>
> if (!EFI_ERROR (Status)) {
>
> for (Index = 0; Index < ARRAY_SIZE (mReadOnlyVariables); Index++) {
>
> - Status = VariableLock->RequestToLock (VariableLock,
> mReadOnlyVariables[Index], &gEfiGlobalVariableGuid);
>
> - ASSERT_EFI_ERROR (Status);
>
> + Status = RegisterBasicVariablePolicy(
>
> + VariablePolicy,
>
> + &gEfiGlobalVariableGuid,
>
> + mReadOnlyVariables[Index],
>
> + VARIABLE_POLICY_NO_MIN_SIZE,
>
> + VARIABLE_POLICY_NO_MAX_SIZE,
>
> + VARIABLE_POLICY_NO_MUST_ATTR,
>
> + VARIABLE_POLICY_NO_CANT_ATTR,
>
> + VARIABLE_POLICY_TYPE_LOCK_NOW
>
> + );
>
> + ASSERT_EFI_ERROR(Status);
>
> }
>
> }
>
>
>
> --
> 2.31.1.windows.1
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