[edk2-devel] [PATCH v1 1/1] MdeModulePkg/BdsDxe: Update BdsEntry to use Variable Policy
Kenneth Lautner
kenlautner3 at gmail.com
Wed Jun 16 22:42:29 UTC 2021
This needs more editorial changes so disregard for now and I'll resend it
when it's better. Sorry about that.
On Wed, Jun 16, 2021 at 10:35 AM Kenneth Lautner via groups.io <kenlautner3=
gmail.com at groups.io> wrote:
> 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>
> Signed-off-by: Kenneth Lautner <kenlautner3 at gmail.com>
>
> Fixed Library References
>
> Quick revert
>
> MdeModulePkg/BdsDxe: Fixed Library References
>
> Fixed incorrect library reference in BdsEntry.c
>
> 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>
> ---
> MdeModulePkg/Universal/BdsDxe/BdsDxe.inf | 4 +++-
> MdeModulePkg/Universal/BdsDxe/BdsEntry.c | 20 +++++++++++++++-----
> 2 files changed, 18 insertions(+), 6 deletions(-)
>
> 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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