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/** @file
Copyright (c) 2017, 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 that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <Uefi.h>
#include <PiDxe.h>
#include <Library/TestPointCheckLib.h>
#include <Library/TestPointLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Protocol/VarCheck.h>
#define INIT_NAME_BUFFER_SIZE 128
CHAR8 *mAttributeShortName[] = {
"NV",
"BS",
"RT",
"HR",
"AU",
"AT",
"AP",
};
VOID
DumpVarAttrName (
IN UINT32 Attributes
)
{
UINTN Index;
BOOLEAN IsFirst;
IsFirst = TRUE;
DEBUG ((DEBUG_INFO, "("));
for (Index = 0; Index < sizeof(mAttributeShortName)/sizeof(mAttributeShortName[0]); Index++) {
if ((Attributes & (1 << Index)) != 0) {
if (!IsFirst) {
DEBUG ((DEBUG_INFO, "|"));
}
DEBUG ((DEBUG_INFO, mAttributeShortName[Index]));
if (IsFirst) {
IsFirst = FALSE;
}
}
}
DEBUG ((DEBUG_INFO, ")"));
}
VOID
DumpVarProperty (
IN VAR_CHECK_VARIABLE_PROPERTY *VariableProperty
)
{
if ((VariableProperty->Property & VAR_CHECK_VARIABLE_PROPERTY_READ_ONLY) != 0) {
DEBUG ((DEBUG_INFO, " (RO)"));
}
}
VOID
TestPointDumpVariable (
VOID
)
{
CHAR16 *VariableName;
UINTN NameSize;
UINTN NameBufferSize;
EFI_STATUS Status;
EFI_GUID Guid;
UINTN VarSize;
UINT32 Attributes;
VOID *VarData;
EDKII_VAR_CHECK_PROTOCOL *VarCheck;
VAR_CHECK_VARIABLE_PROPERTY VariableProperty;
DEBUG ((DEBUG_INFO, "==== TestPointDumpVariable - Enter\n"));
Status = gBS->LocateProtocol (&gEdkiiVarCheckProtocolGuid, NULL, (VOID **)&VarCheck);
DEBUG ((DEBUG_INFO, "VarCheck - %r\n", Status));
Status = EFI_SUCCESS;
DEBUG ((DEBUG_INFO, "Variable List:\n"));
NameBufferSize = INIT_NAME_BUFFER_SIZE;
VariableName = AllocateZeroPool(NameBufferSize);
if (VariableName == NULL) {
goto Done ;
}
*VariableName = CHAR_NULL;
while (!EFI_ERROR(Status)) {
//
// Get Name/Guid
//
NameSize = NameBufferSize;
Status = gRT->GetNextVariableName(&NameSize, VariableName, &Guid);
if (Status == EFI_NOT_FOUND){
Status = EFI_SUCCESS;
break;
} else if (Status == EFI_BUFFER_TOO_SMALL) {
NameBufferSize = NameSize > NameBufferSize * 2 ? NameSize : NameBufferSize * 2;
if (VariableName != NULL) {
FreePool (VariableName);
}
VariableName = AllocateZeroPool(NameBufferSize);
if (VariableName == NULL) {
Status = EFI_OUT_OF_RESOURCES;
break;
}
NameSize = NameBufferSize;
Status = gRT->GetNextVariableName(&NameSize, VariableName, &Guid);
}
if (EFI_ERROR(Status)) {
break;
}
//
// Get Attributes/Size
//
VarSize = 0;
Attributes = 0;
Status = gRT->GetVariable(VariableName, &Guid, &Attributes, &VarSize, NULL);
if (Status == EFI_BUFFER_TOO_SMALL){
VarData = AllocateZeroPool (VarSize);
if (VarData == NULL) {
goto Done;
}
Status = gRT->GetVariable(VariableName, &Guid, &Attributes, &VarSize, VarData);
if (!EFI_ERROR(Status)) {
DEBUG ((DEBUG_INFO,
" Name=L\"%s\" Guid=%g Size=0x%x Attr=0x%x ",
VariableName,
&Guid,
VarSize,
Attributes
));
DumpVarAttrName (Attributes);
if (VarCheck != NULL) {
Status = VarCheck->VariablePropertyGet (VariableName, &Guid, &VariableProperty);
if (!EFI_ERROR(Status)) {
DumpVarProperty (&VariableProperty);
}
}
DEBUG ((DEBUG_INFO, "\n"));
FreePool (VarData);
Status = EFI_SUCCESS;
}
}
}
if (VariableName != NULL) {
FreePool (VariableName);
}
Done:
DEBUG ((DEBUG_INFO, "==== TestPointDumpVariable - Exit\n"));
return ;
}
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