/** @file
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Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <PiDxe.h>
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#include <Library/TestPointCheckLib.h>
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#include <Library/TestPointLib.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/UefiRuntimeServicesTableLib.h>
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#include <Protocol/VarCheck.h>
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#define INIT_NAME_BUFFER_SIZE 128
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CHAR8 *mAttributeShortName[] = {
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"NV",
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"BS",
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"RT",
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"HR",
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"AU",
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"AT",
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"AP",
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};
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VOID
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DumpVarAttrName (
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IN UINT32 Attributes
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)
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{
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UINTN Index;
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BOOLEAN IsFirst;
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IsFirst = TRUE;
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DEBUG ((DEBUG_INFO, "("));
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for (Index = 0; Index < sizeof(mAttributeShortName)/sizeof(mAttributeShortName[0]); Index++) {
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if ((Attributes & (1 << Index)) != 0) {
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if (!IsFirst) {
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DEBUG ((DEBUG_INFO, "|"));
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}
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DEBUG ((DEBUG_INFO, mAttributeShortName[Index]));
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if (IsFirst) {
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IsFirst = FALSE;
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}
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}
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}
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DEBUG ((DEBUG_INFO, ")"));
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}
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VOID
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DumpVarProperty (
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IN VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
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)
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{
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if ((VariableProperty->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {
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DEBUG ((DEBUG_INFO, " (RO)"));
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}
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}
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VOID
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TestPointDumpVariable (
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VOID
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)
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{
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CHAR16 *VariableName;
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UINTN NameSize;
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UINTN NameBufferSize;
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EFI_STATUS Status;
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EFI_GUID Guid;
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UINTN VarSize;
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UINT32 Attributes;
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VOID *VarData;
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EDKII_VAR_CHECK_PROTOCOL *VarCheck;
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VAR_CHECK_VARIABLE_PROPERTY VariableProperty;
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DEBUG ((DEBUG_INFO, "==== TestPointDumpVariable - Enter\n"));
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Status = gBS->LocateProtocol (&gEdkiiVarCheckProtocolGuid, NULL, (VOID **)&VarCheck);
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DEBUG ((DEBUG_INFO, "VarCheck - %r\n", Status));
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Status = EFI_SUCCESS;
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DEBUG ((DEBUG_INFO, "Variable List:\n"));
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NameBufferSize = INIT_NAME_BUFFER_SIZE;
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VariableName = AllocateZeroPool(NameBufferSize);
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if (VariableName == NULL) {
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goto Done ;
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}
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*VariableName = CHAR_NULL;
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while (!EFI_ERROR(Status)) {
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//
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// Get Name/Guid
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//
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NameSize = NameBufferSize;
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Status = gRT->GetNextVariableName(&NameSize, VariableName, &Guid);
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if (Status == EFI_NOT_FOUND){
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Status = EFI_SUCCESS;
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break;
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} else if (Status == EFI_BUFFER_TOO_SMALL) {
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NameBufferSize = NameSize > NameBufferSize * 2 ? NameSize : NameBufferSize * 2;
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if (VariableName != NULL) {
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FreePool (VariableName);
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}
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VariableName = AllocateZeroPool(NameBufferSize);
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if (VariableName == NULL) {
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Status = EFI_OUT_OF_RESOURCES;
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break;
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}
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NameSize = NameBufferSize;
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Status = gRT->GetNextVariableName(&NameSize, VariableName, &Guid);
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}
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if (EFI_ERROR(Status)) {
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break;
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}
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//
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// Get Attributes/Size
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//
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VarSize = 0;
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Attributes = 0;
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Status = gRT->GetVariable(VariableName, &Guid, &Attributes, &VarSize, NULL);
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if (Status == EFI_BUFFER_TOO_SMALL){
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VarData = AllocateZeroPool (VarSize);
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if (VarData == NULL) {
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goto Done;
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}
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Status = gRT->GetVariable(VariableName, &Guid, &Attributes, &VarSize, VarData);
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if (!EFI_ERROR(Status)) {
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DEBUG ((DEBUG_INFO,
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" Name=L\"%s\" Guid=%g Size=0x%x Attr=0x%x ",
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VariableName,
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&Guid,
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VarSize,
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Attributes
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));
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DumpVarAttrName (Attributes);
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if (VarCheck != NULL) {
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Status = VarCheck->VariablePropertyGet (VariableName, &Guid, &VariableProperty);
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if (!EFI_ERROR(Status)) {
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DumpVarProperty (&VariableProperty);
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}
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}
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DEBUG ((DEBUG_INFO, "\n"));
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FreePool (VarData);
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Status = EFI_SUCCESS;
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}
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}
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}
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if (VariableName != NULL) {
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FreePool (VariableName);
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}
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Done:
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DEBUG ((DEBUG_INFO, "==== TestPointDumpVariable - Exit\n"));
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return ;
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}
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