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Fix a bug. FindVariable now search volatile variable first (previously NV variable first) for performance reason. Therefore, RuntimeServiceGetNextVariableName is updated based on this change. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4056 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12 2007-10-09 05:42:37 +00:00
parent f8580e260c
commit 36873a6195
1 changed files with 5 additions and 3 deletions
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8
MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
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@ -737,6 +737,8 @@ Returns:
// //
// 0: Volatile, 1: Non-Volatile // 0: Volatile, 1: Non-Volatile
// The index and attributes mapping must be kept in this order as RuntimeServiceGetNextVariableName
// make use of this mapping to implement search algorithme.
// //
VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.VolatileVariableBase); VariableStoreHeader[0] = (VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.VolatileVariableBase);
VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase); VariableStoreHeader[1] = (VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase);
@ -933,9 +935,9 @@ RuntimeServiceGetNextVariableName (
// //
if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) { if (Variable.CurrPtr >= Variable.EndPtr || Variable.CurrPtr == NULL) {
Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1)); Variable.Volatile = (BOOLEAN) (Variable.Volatile ^ ((BOOLEAN) 0x1));
if (Variable.Volatile) { if (!Variable.Volatile) {
Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (mVariableModuleGlobal->VariableGlobal.VolatileVariableBase + sizeof (VARIABLE_STORE_HEADER))); Variable.StartPtr = (VARIABLE_HEADER *) ((UINTN) (mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase + sizeof (VARIABLE_STORE_HEADER)));
Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.VolatileVariableBase)); Variable.EndPtr = (VARIABLE_HEADER *) GetEndPointer ((VARIABLE_STORE_HEADER *) ((UINTN) mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase));
} else { } else {
Status = EFI_NOT_FOUND; Status = EFI_NOT_FOUND;
goto Done; goto Done;