diff options
author | Laszlo Ersek <lersek@redhat.com> | 2013-06-17 02:30:42 +0000 |
---|---|---|
committer | niruiyu <niruiyu@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-06-17 02:30:42 +0000 |
commit | 328e5d8c197ebd54dd3e528894fa447534e684f0 (patch) | |
tree | f1ad161837d630473c907a3003f747e4c97e2f55 /SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c | |
parent | e4b7e2c94f14f370edd07f58b6abbb5a614cabcd (diff) | |
download | edk2-platforms-328e5d8c197ebd54dd3e528894fa447534e684f0.tar.xz |
The list of locked variables is traversed at runtime, hence we must
convert the list when transferring from physical to virtual mode.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14425 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c')
-rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c index a2e764cf61..ef53a96144 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableDxe.c @@ -2,6 +2,7 @@ Implement all four UEFI Runtime Variable services for the nonvolatile
and volatile storage space and install variable architecture protocol.
+Copyright (C) 2013, Red Hat, Inc.
Copyright (c) 2009 - 2011, 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
@@ -21,6 +22,7 @@ extern VARIABLE_INFO_ENTRY *gVariableInfo; EFI_HANDLE mHandle = NULL;
EFI_EVENT mVirtualAddressChangeEvent = NULL;
EFI_EVENT mFtwRegistration = NULL;
+extern LIST_ENTRY mLockedVariableList;
extern BOOLEAN mEndOfDxe;
EDKII_VARIABLE_LOCK_PROTOCOL mVariableLock = { VariableLockRequestToLock };
@@ -220,6 +222,10 @@ VariableClassAddressChangeEvent ( IN VOID *Context
)
{
+ LIST_ENTRY *Link;
+ VARIABLE_ENTRY *Entry;
+ EFI_STATUS Status;
+
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetBlockSize);
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetPhysicalAddress);
EfiConvertPointer (0x0, (VOID **) &mVariableModuleGlobal->FvbInstance->GetAttributes);
@@ -238,6 +244,23 @@ VariableClassAddressChangeEvent ( EfiConvertPointer (0x0, (VOID **) &mStorageArea);
EfiConvertPointer (0x0, (VOID **) &mSerializationRuntimeBuffer);
EfiConvertPointer (0x0, (VOID **) &mNvVariableCache);
+
+ //
+ // in the list of locked variables, convert the name pointers first
+ //
+ for ( Link = GetFirstNode (&mLockedVariableList)
+ ; !IsNull (&mLockedVariableList, Link)
+ ; Link = GetNextNode (&mLockedVariableList, Link)
+ ) {
+ Entry = BASE_CR (Link, VARIABLE_ENTRY, Link);
+ Status = EfiConvertPointer (0x0, (VOID **) &Entry->Name);
+ ASSERT_EFI_ERROR (Status);
+ }
+ //
+ // second, convert the list itself using UefiRuntimeLib
+ //
+ Status = EfiConvertList (0x0, &mLockedVariableList);
+ ASSERT_EFI_ERROR (Status);
}
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