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audk/MdeModulePkg/Library/VarCheckHiiLib/VarCheckHiiGen.c

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/** @file
Var Check Hii bin generation.
Copyright (c) 2015 - 2018, 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
which 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 "VarCheckHiiGen.h"
LIST_ENTRY mVarCheckHiiList = INITIALIZE_LIST_HEAD_VARIABLE (mVarCheckHiiList);
#define VAR_CHECK_HII_VARIABLE_NODE_SIGNATURE SIGNATURE_32 ('V', 'C', 'H', 'V')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
VAR_CHECK_HII_VARIABLE_HEADER *HiiVariable;
EFI_VARSTORE_ID VarStoreId;
VAR_CHECK_HII_QUESTION_HEADER **HiiQuestionArray;
} VAR_CHECK_HII_VARIABLE_NODE;
#define VAR_CHECK_HII_VARIABLE_FROM_LINK(a) CR (a, VAR_CHECK_HII_VARIABLE_NODE, Link, VAR_CHECK_HII_VARIABLE_NODE_SIGNATURE)
CHAR16 *mVarName = NULL;
UINTN mMaxVarNameSize = 0;
#ifdef DUMP_HII_DATA
GLOBAL_REMOVE_IF_UNREFERENCED VAR_CHECK_HII_OPCODE_STRING mIfrOpCodeStringTable[] = {
{EFI_IFR_VARSTORE_OP, "EFI_IFR_VARSTORE_OP"},
{EFI_IFR_VARSTORE_EFI_OP, "EFI_IFR_VARSTORE_EFI_OP"},
{EFI_IFR_ONE_OF_OP, "EFI_IFR_ONE_OF_OP"},
{EFI_IFR_CHECKBOX_OP, "EFI_IFR_CHECKBOX_OP"},
{EFI_IFR_NUMERIC_OP, "EFI_IFR_NUMERIC_OP"},
{EFI_IFR_ORDERED_LIST_OP, "EFI_IFR_ORDERED_LIST_OP"},
{EFI_IFR_ONE_OF_OPTION_OP, "EFI_IFR_ONE_OF_OPTION_OP"},
};
/**
Ifr opcode to string.
@param[in] IfrOpCode Ifr OpCode.
@return Pointer to string.
**/
CHAR8 *
IfrOpCodeToStr (
IN UINT8 IfrOpCode
)
{
UINTN Index;
for (Index = 0; Index < ARRAY_SIZE (mIfrOpCodeStringTable); Index++) {
if (mIfrOpCodeStringTable[Index].HiiOpCode == IfrOpCode) {
return mIfrOpCodeStringTable[Index].HiiOpCodeStr;
}
}
return "<UnknownIfrOpCode>";
}
GLOBAL_REMOVE_IF_UNREFERENCED VAR_CHECK_HII_PACKAGE_TYPE_STRING mPackageTypeStringTable[] = {
{EFI_HII_PACKAGE_TYPE_ALL, "EFI_HII_PACKAGE_TYPE_ALL"},
{EFI_HII_PACKAGE_TYPE_GUID, "EFI_HII_PACKAGE_TYPE_GUID"},
{EFI_HII_PACKAGE_FORMS, "EFI_HII_PACKAGE_FORMS"},
{EFI_HII_PACKAGE_STRINGS, "EFI_HII_PACKAGE_STRINGS"},
{EFI_HII_PACKAGE_FONTS, "EFI_HII_PACKAGE_FONTS"},
{EFI_HII_PACKAGE_IMAGES, "EFI_HII_PACKAGE_IMAGES"},
{EFI_HII_PACKAGE_SIMPLE_FONTS, "EFI_HII_PACKAGE_SIMPLE_FONTS"},
{EFI_HII_PACKAGE_DEVICE_PATH, "EFI_HII_PACKAGE_DEVICE_PATH"},
{EFI_HII_PACKAGE_KEYBOARD_LAYOUT, "EFI_HII_PACKAGE_KEYBOARD_LAYOUT"},
{EFI_HII_PACKAGE_ANIMATIONS, "EFI_HII_PACKAGE_ANIMATIONS"},
{EFI_HII_PACKAGE_END, "EFI_HII_PACKAGE_END"},
{EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN, "EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN"},
{EFI_HII_PACKAGE_TYPE_SYSTEM_END, "EFI_HII_PACKAGE_TYPE_SYSTEM_END"},
};
/**
Hii Package type to string.
@param[in] PackageType Package Type
@return Pointer to string.
**/
CHAR8 *
HiiPackageTypeToStr (
IN UINT8 PackageType
)
{
UINTN Index;
for (Index = 0; Index < ARRAY_SIZE (mPackageTypeStringTable); Index++) {
if (mPackageTypeStringTable[Index].PackageType == PackageType) {
return mPackageTypeStringTable[Index].PackageTypeStr;
}
}
return "<UnknownPackageType>";
}
/**
Dump Hii Package.
@param[in] HiiPackage Pointer to Hii Package.
**/
VOID
DumpHiiPackage (
IN VOID *HiiPackage
)
{
EFI_HII_PACKAGE_HEADER *HiiPackageHeader;
EFI_IFR_OP_HEADER *IfrOpCodeHeader;
EFI_IFR_VARSTORE *IfrVarStore;
EFI_IFR_VARSTORE_EFI *IfrEfiVarStore;
BOOLEAN QuestionStoredInBitField;
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) HiiPackage;
QuestionStoredInBitField = FALSE;
DEBUG ((DEBUG_INFO, " HiiPackageHeader->Type - 0x%02x (%a)\n", HiiPackageHeader->Type, HiiPackageTypeToStr ((UINT8) HiiPackageHeader->Type)));
DEBUG ((DEBUG_INFO, " HiiPackageHeader->Length - 0x%06x\n", HiiPackageHeader->Length));
switch (HiiPackageHeader->Type) {
case EFI_HII_PACKAGE_FORMS:
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) (HiiPackageHeader + 1);
while ((UINTN) IfrOpCodeHeader < ((UINTN) HiiPackageHeader + HiiPackageHeader->Length)) {
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_VARSTORE_OP:
IfrVarStore = (EFI_IFR_VARSTORE *) IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->OpCode - 0x%02x (%a)\n", IfrOpCodeHeader->OpCode, IfrOpCodeToStr (IfrOpCodeHeader->OpCode)));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Length - 0x%02x\n", IfrOpCodeHeader->Length));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Scope - 0x%02x\n", IfrOpCodeHeader->Scope));
DEBUG ((DEBUG_INFO, " Guid - %g\n", &IfrVarStore->Guid));
DEBUG ((DEBUG_INFO, " VarStoreId - 0x%04x\n", IfrVarStore->VarStoreId));
DEBUG ((DEBUG_INFO, " Size - 0x%04x\n", IfrVarStore->Size));
DEBUG ((DEBUG_INFO, " Name - %a\n", IfrVarStore->Name));
break;
case EFI_IFR_VARSTORE_EFI_OP:
IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpCodeHeader;
if (IfrEfiVarStore->Header.Length >= sizeof (EFI_IFR_VARSTORE_EFI)) {
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->OpCode - 0x%02x (%a)\n", IfrOpCodeHeader->OpCode, IfrOpCodeToStr (IfrOpCodeHeader->OpCode)));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Length - 0x%02x\n", IfrOpCodeHeader->Length));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Scope - 0x%02x\n", IfrOpCodeHeader->Scope));
DEBUG ((DEBUG_INFO, " Guid - %g\n", &IfrEfiVarStore->Guid));
DEBUG ((DEBUG_INFO, " VarStoreId - 0x%04x\n", IfrEfiVarStore->VarStoreId));
DEBUG ((DEBUG_INFO, " Size - 0x%04x\n", IfrEfiVarStore->Size));
DEBUG ((DEBUG_INFO, " Attributes - 0x%08x\n", IfrEfiVarStore->Attributes));
DEBUG ((DEBUG_INFO, " Name - %a\n", IfrEfiVarStore->Name));
}
break;
case EFI_IFR_GUID_OP:
if (CompareGuid ((EFI_GUID *)((UINTN)IfrOpCodeHeader + sizeof (EFI_IFR_OP_HEADER)), &gEdkiiIfrBitVarstoreGuid)) {
QuestionStoredInBitField = TRUE;
}
break;
case EFI_IFR_ONE_OF_OP:
case EFI_IFR_CHECKBOX_OP:
case EFI_IFR_NUMERIC_OP:
case EFI_IFR_ORDERED_LIST_OP:
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->OpCode - 0x%02x (%a) (%a)\n", IfrOpCodeHeader->OpCode, IfrOpCodeToStr (IfrOpCodeHeader->OpCode), (QuestionStoredInBitField? "bit level": "byte level")));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Length - 0x%02x\n", IfrOpCodeHeader->Length));
DEBUG ((DEBUG_INFO, " IfrOpCodeHeader->Scope - 0x%02x\n", IfrOpCodeHeader->Scope));
DEBUG ((DEBUG_INFO, " Prompt - 0x%04x\n", ((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.Header.Prompt));
DEBUG ((DEBUG_INFO, " Help - 0x%04x\n", ((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.Header.Help));
DEBUG ((DEBUG_INFO, " QuestionId - 0x%04x\n", ((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.QuestionId));
DEBUG ((DEBUG_INFO, " VarStoreId - 0x%04x\n", ((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.VarStoreId));
DEBUG ((DEBUG_INFO, " VarStoreInfo - 0x%04x (%a)\n", ((EFI_IFR_ONE_OF * )IfrOpCodeHeader)->Question.VarStoreInfo.VarOffset, (QuestionStoredInBitField? "bit level": "byte level")));
{
EFI_IFR_ONE_OF *IfrOneOf;
EFI_IFR_CHECKBOX *IfrCheckBox;
EFI_IFR_NUMERIC *IfrNumeric;
EFI_IFR_ORDERED_LIST *IfrOrderedList;
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_ONE_OF_OP:
IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, " Flags - 0x%02x\n", IfrOneOf->Flags));
if (QuestionStoredInBitField) {
//
// For OneOf stored in bit field, the option value are saved as UINT32 type.
//
DEBUG ((DEBUG_INFO, " MinValue - 0x%08x\n", IfrOneOf->data.u32.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%08x\n", IfrOneOf->data.u32.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%08x\n", IfrOneOf->data.u32.Step));
} else {
switch (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE) {
case EFI_IFR_NUMERIC_SIZE_1:
DEBUG ((DEBUG_INFO, " MinValue - 0x%02x\n", IfrOneOf->data.u8.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%02x\n", IfrOneOf->data.u8.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%02x\n", IfrOneOf->data.u8.Step));
break;
case EFI_IFR_NUMERIC_SIZE_2:
DEBUG ((DEBUG_INFO, " MinValue - 0x%04x\n", IfrOneOf->data.u16.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%04x\n", IfrOneOf->data.u16.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%04x\n", IfrOneOf->data.u16.Step));
break;
case EFI_IFR_NUMERIC_SIZE_4:
DEBUG ((DEBUG_INFO, " MinValue - 0x%08x\n", IfrOneOf->data.u32.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%08x\n", IfrOneOf->data.u32.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%08x\n", IfrOneOf->data.u32.Step));
break;
case EFI_IFR_NUMERIC_SIZE_8:
DEBUG ((DEBUG_INFO, " MinValue - 0x%016lx\n", IfrOneOf->data.u64.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%016lx\n", IfrOneOf->data.u64.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%016lx\n", IfrOneOf->data.u64.Step));
break;
}
}
break;
case EFI_IFR_CHECKBOX_OP:
IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, " Flags - 0x%02x\n", IfrCheckBox->Flags));
break;
case EFI_IFR_NUMERIC_OP:
IfrNumeric = (EFI_IFR_NUMERIC *) IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, " Flags - 0x%02x\n", IfrNumeric->Flags));
if (QuestionStoredInBitField) {
//
// For Numeric stored in bit field, the MinValue,MaxValue and Step are saved as UINT32 type.
//
DEBUG ((DEBUG_INFO, " MinValue - 0x%08x\n", IfrNumeric->data.u32.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%08x\n", IfrNumeric->data.u32.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%08x\n", IfrNumeric->data.u32.Step));
} else {
switch (IfrNumeric->Flags & EFI_IFR_NUMERIC_SIZE) {
case EFI_IFR_NUMERIC_SIZE_1:
DEBUG ((DEBUG_INFO, " MinValue - 0x%02x\n", IfrNumeric->data.u8.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%02x\n", IfrNumeric->data.u8.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%02x\n", IfrNumeric->data.u8.Step));
break;
case EFI_IFR_NUMERIC_SIZE_2:
DEBUG ((DEBUG_INFO, " MinValue - 0x%04x\n", IfrNumeric->data.u16.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%04x\n", IfrNumeric->data.u16.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%04x\n", IfrNumeric->data.u16.Step));
break;
case EFI_IFR_NUMERIC_SIZE_4:
DEBUG ((DEBUG_INFO, " MinValue - 0x%08x\n", IfrNumeric->data.u32.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%08x\n", IfrNumeric->data.u32.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%08x\n", IfrNumeric->data.u32.Step));
break;
case EFI_IFR_NUMERIC_SIZE_8:
DEBUG ((DEBUG_INFO, " MinValue - 0x%016lx\n", IfrNumeric->data.u64.MinValue));
DEBUG ((DEBUG_INFO, " MaxValue - 0x%016lx\n", IfrNumeric->data.u64.MaxValue));
DEBUG ((DEBUG_INFO, " Step - 0x%016lx\n", IfrNumeric->data.u64.Step));
break;
}
}
break;
case EFI_IFR_ORDERED_LIST_OP:
IfrOrderedList = (EFI_IFR_ORDERED_LIST *) IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, " MaxContainers - 0x%02x\n", IfrOrderedList->MaxContainers));
DEBUG ((DEBUG_INFO, " Flags - 0x%02x\n", IfrOrderedList->Flags));
break;
default:
break;
}
if (IfrOpCodeHeader->Scope != 0) {
UINTN Scope;
EFI_IFR_ONE_OF_OPTION *IfrOneOfOption;
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
Scope = 1;
while (Scope != 0) {
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_ONE_OF_OPTION_OP:
IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *)IfrOpCodeHeader;
DEBUG ((DEBUG_INFO, "!!!! IfrOpCodeHeader->OpCode - 0x%02x (%a)\n", (UINTN)IfrOpCodeHeader->OpCode, IfrOpCodeToStr (IfrOpCodeHeader->OpCode)));
DEBUG ((DEBUG_INFO, "!!!! IfrOpCodeHeader->Scope - 0x%02x\n", IfrOpCodeHeader->Scope));
DEBUG ((DEBUG_INFO, "!!!! Option - 0x%04x\n", IfrOneOfOption->Option));
DEBUG ((DEBUG_INFO, "!!!! Flags - 0x%02x\n", IfrOneOfOption->Flags));
DEBUG ((DEBUG_INFO, "!!!! Type - 0x%02x\n", IfrOneOfOption->Type));
switch (IfrOneOfOption->Type) {
case EFI_IFR_TYPE_NUM_SIZE_8:
DEBUG ((DEBUG_INFO, "!!!! Value - 0x%02x\n", IfrOneOfOption->Value.u8));
break;
case EFI_IFR_TYPE_NUM_SIZE_16:
DEBUG ((DEBUG_INFO, "!!!! Value - 0x%04x\n", IfrOneOfOption->Value.u16));
break;
case EFI_IFR_TYPE_NUM_SIZE_32:
DEBUG ((DEBUG_INFO, "!!!! Value - 0x%08x\n", IfrOneOfOption->Value.u32));
break;
case EFI_IFR_TYPE_NUM_SIZE_64:
DEBUG ((DEBUG_INFO, "!!!! Value - 0x%016lx\n", IfrOneOfOption->Value.u64));
break;
case EFI_IFR_TYPE_BOOLEAN:
DEBUG ((DEBUG_INFO, "!!!! Value - 0x%02x\n", IfrOneOfOption->Value.b));
break;
default:
break;
}
break;
}
if (IfrOpCodeHeader->OpCode == EFI_IFR_END_OP) {
QuestionStoredInBitField = FALSE;
ASSERT (Scope > 0);
Scope--;
if (Scope == 0) {
break;
}
} else if (IfrOpCodeHeader->Scope != 0) {
Scope++;
}
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
}
}
}
default:
break;
}
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
}
break;
default:
break;
}
}
/**
Dump Hii Database.
@param[in] HiiDatabase Pointer to Hii Database.
@param[in] HiiDatabaseSize Hii Database size.
**/
VOID
DumpHiiDatabase (
IN VOID *HiiDatabase,
IN UINTN HiiDatabaseSize
)
{
EFI_HII_PACKAGE_LIST_HEADER *HiiPackageListHeader;
EFI_HII_PACKAGE_HEADER *HiiPackageHeader;
DEBUG ((DEBUG_INFO, "HiiDatabaseSize - 0x%x\n", HiiDatabaseSize));
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER *) HiiDatabase;
while ((UINTN) HiiPackageListHeader < ((UINTN) HiiDatabase + HiiDatabaseSize)) {
DEBUG ((DEBUG_INFO, "HiiPackageListHeader->PackageListGuid - %g\n", &HiiPackageListHeader->PackageListGuid));
DEBUG ((DEBUG_INFO, "HiiPackageListHeader->PackageLength - 0x%x\n", (UINTN)HiiPackageListHeader->PackageLength));
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *)(HiiPackageListHeader + 1);
while ((UINTN) HiiPackageHeader < (UINTN) HiiPackageListHeader + HiiPackageListHeader->PackageLength) {
DumpHiiPackage (HiiPackageHeader);
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) ((UINTN) HiiPackageHeader + HiiPackageHeader->Length);
}
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER *) ((UINTN) HiiPackageListHeader + HiiPackageListHeader->PackageLength);
}
return ;
}
#endif
/**
Allocates a buffer of a certain pool type.
Allocates the number bytes specified by AllocationSize of a certain pool type and returns a
pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
@param MemoryType The type of memory to allocate.
@param AllocationSize The number of bytes to allocate.
@return A pointer to the allocated buffer or NULL if allocation fails.
**/
VOID *
InternalVarCheckAllocatePool (
IN EFI_MEMORY_TYPE MemoryType,
IN UINTN AllocationSize
)
{
EFI_STATUS Status;
VOID *Memory;
Status = gBS->AllocatePool (MemoryType, AllocationSize, &Memory);
if (EFI_ERROR (Status)) {
Memory = NULL;
}
return Memory;
}
/**
Allocates and zeros a buffer of type EfiBootServicesData.
Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the
buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
request, then NULL is returned.
@param AllocationSize The number of bytes to allocate and zero.
@return A pointer to the allocated buffer or NULL if allocation fails.
**/
VOID *
InternalVarCheckAllocateZeroPool (
IN UINTN AllocationSize
)
{
VOID *Memory;
Memory = InternalVarCheckAllocatePool (EfiBootServicesData, AllocationSize);
if (Memory != NULL) {
Memory = ZeroMem (Memory, AllocationSize);
}
return Memory;
}
/**
Frees a buffer that was previously allocated with one of the pool allocation functions in the
Memory Allocation Library.
Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the
pool allocation services of the Memory Allocation Library. If it is not possible to free pool
resources, then this function will perform no actions.
If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,
then ASSERT().
@param Buffer The pointer to the buffer to free.
**/
VOID
EFIAPI
InternalVarCheckFreePool (
IN VOID *Buffer
)
{
EFI_STATUS Status;
Status = gBS->FreePool (Buffer);
ASSERT_EFI_ERROR (Status);
}
/**
Reallocates a buffer of type EfiBootServicesData.
Allocates and zeros the number bytes specified by NewSize from memory of type
EfiBootServicesData. If OldBuffer is not NULL, then the smaller of OldSize and
NewSize bytes are copied from OldBuffer to the newly allocated buffer, and
OldBuffer is freed. A pointer to the newly allocated buffer is returned.
If NewSize is 0, then a valid buffer of 0 size is returned. If there is not
enough memory remaining to satisfy the request, then NULL is returned.
If the allocation of the new buffer is successful and the smaller of NewSize and OldSize
is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().
@param OldSize The size, in bytes, of OldBuffer.
@param NewSize The size, in bytes, of the buffer to reallocate.
@param OldBuffer The buffer to copy to the allocated buffer. This is an optional
parameter that may be NULL.
@return A pointer to the allocated buffer or NULL if allocation fails.
**/
VOID *
InternalVarCheckReallocatePool (
IN UINTN OldSize,
IN UINTN NewSize,
IN VOID *OldBuffer OPTIONAL
)
{
VOID *NewBuffer;
NewBuffer = InternalVarCheckAllocateZeroPool (NewSize);
if (NewBuffer != NULL && OldBuffer != NULL) {
CopyMem (NewBuffer, OldBuffer, MIN (OldSize, NewSize));
InternalVarCheckFreePool (OldBuffer);
}
return NewBuffer;
}
/**
Merge Hii Question.
@param[in, out] HiiVariableNode Pointer to Hii Variable node.
@param[in] HiiQuestion Pointer to Hii Question.
@param[in] FromFv Hii Question from FV.
**/
VOID
MergeHiiQuestion (
IN OUT VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode,
IN VAR_CHECK_HII_QUESTION_HEADER *HiiQuestion,
IN BOOLEAN FromFv
)
{
VAR_CHECK_HII_QUESTION_HEADER *HiiQuestion1;
VAR_CHECK_HII_QUESTION_HEADER *HiiQuestion2;
VAR_CHECK_HII_QUESTION_HEADER *NewHiiQuestion;
UINT8 NewLength;
UINT64 Minimum1;
UINT64 Maximum1;
UINT64 OneValue1;
UINT64 Minimum2;
UINT64 Maximum2;
UINT64 OneValue2;
UINT8 *Ptr;
UINT8 *Ptr1;
UINT8 *Ptr2;
UINTN ArrayIndex;
//
// Hii Question from Hii Database has high priority.
// Do not to merge Hii Question from Fv to Hii Question from Hii Database.
//
if (FromFv) {
InternalVarCheckFreePool (HiiQuestion);
return;
}
if (HiiQuestion->BitFieldStore) {
ArrayIndex = HiiQuestion->VarOffset;
} else {
ArrayIndex = HiiQuestion->VarOffset * 8;
}
HiiQuestion1 = HiiVariableNode->HiiQuestionArray[ArrayIndex];
HiiQuestion2 = HiiQuestion;
ASSERT ((HiiQuestion1->OpCode == HiiQuestion2->OpCode) && (HiiQuestion1->StorageWidth == HiiQuestion2->StorageWidth));
switch (HiiQuestion1->OpCode) {
case EFI_IFR_ONE_OF_OP:
DEBUG ((DEBUG_INFO, "MergeHiiQuestion - EFI_IFR_ONE_OF_OP VarOffset = 0x%04x (%a)\n", HiiQuestion1->VarOffset, (HiiQuestion1->BitFieldStore? "bit level": "byte level")));
//
// Get the length of Hii Question 1.
//
NewLength = HiiQuestion1->Length;
//
// Check if the one of options in Hii Question 2 have been in Hii Question 1.
//
Ptr2 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ONEOF *) HiiQuestion2 + 1);
while ((UINTN) Ptr2 < (UINTN) HiiQuestion2 + HiiQuestion2->Length) {
OneValue2 = 0;
CopyMem (&OneValue2, Ptr2, HiiQuestion2->StorageWidth);
Ptr1 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ONEOF *) HiiQuestion1 + 1);
while ((UINTN) Ptr1 < (UINTN) HiiQuestion1 + HiiQuestion1->Length) {
OneValue1 = 0;
CopyMem (&OneValue1, Ptr1, HiiQuestion1->StorageWidth);
if (OneValue2 == OneValue1) {
//
// Match
//
break;
}
Ptr1 += HiiQuestion1->StorageWidth;
}
if ((UINTN) Ptr1 >= ((UINTN) HiiQuestion1 + HiiQuestion1->Length)) {
//
// No match
//
NewLength = (UINT8) (NewLength + HiiQuestion1->StorageWidth);
}
Ptr2 += HiiQuestion2->StorageWidth;
}
if (NewLength > HiiQuestion1->Length) {
//
// Merge the one of options of Hii Question 2 and Hii Question 1.
//
NewHiiQuestion = InternalVarCheckAllocateZeroPool (NewLength);
ASSERT (NewHiiQuestion != NULL);
CopyMem (NewHiiQuestion, HiiQuestion1, HiiQuestion1->Length);
//
// Use the new length.
//
NewHiiQuestion->Length = NewLength;
Ptr = (UINT8 *) NewHiiQuestion + HiiQuestion1->Length;
Ptr2 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ONEOF *) HiiQuestion2 + 1);
while ((UINTN) Ptr2 < (UINTN) HiiQuestion2 + HiiQuestion2->Length) {
OneValue2 = 0;
CopyMem (&OneValue2, Ptr2, HiiQuestion2->StorageWidth);
Ptr1 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ONEOF *) HiiQuestion1 + 1);
while ((UINTN) Ptr1 < (UINTN) HiiQuestion1 + HiiQuestion1->Length) {
OneValue1 = 0;
CopyMem (&OneValue1, Ptr1, HiiQuestion1->StorageWidth);
if (OneValue2 == OneValue1) {
//
// Match
//
break;
}
Ptr1 += HiiQuestion1->StorageWidth;
}
if ((UINTN) Ptr1 >= ((UINTN) HiiQuestion1 + HiiQuestion1->Length)) {
//
// No match
//
CopyMem (Ptr, &OneValue2, HiiQuestion1->StorageWidth);
Ptr += HiiQuestion1->StorageWidth;
}
Ptr2 += HiiQuestion2->StorageWidth;
}
HiiVariableNode->HiiQuestionArray[ArrayIndex] = NewHiiQuestion;
InternalVarCheckFreePool (HiiQuestion1);
}
break;
case EFI_IFR_CHECKBOX_OP:
DEBUG ((DEBUG_INFO, "MergeHiiQuestion - EFI_IFR_CHECKBOX_OP VarOffset = 0x%04x (%a)\n", HiiQuestion1->VarOffset, (HiiQuestion1->BitFieldStore? "bit level": "byte level")));
break;
case EFI_IFR_NUMERIC_OP:
DEBUG ((DEBUG_INFO, "MergeHiiQuestion - EFI_IFR_NUMERIC_OP VarOffset = 0x%04x (%a)\n", HiiQuestion1->VarOffset, (HiiQuestion1->BitFieldStore? "bit level": "byte level")));
//
// Get minimum and maximum of Hii Question 1.
//
Minimum1 = 0;
Maximum1 = 0;
Ptr = (UINT8 *) ((VAR_CHECK_HII_QUESTION_NUMERIC *) HiiQuestion1 + 1);
CopyMem (&Minimum1, Ptr, HiiQuestion1->StorageWidth);
Ptr += HiiQuestion1->StorageWidth;
CopyMem (&Maximum1, Ptr, HiiQuestion1->StorageWidth);
//
// Get minimum and maximum of Hii Question 2.
//
Minimum2 = 0;
Maximum2 = 0;
Ptr = (UINT8 *) ((VAR_CHECK_HII_QUESTION_NUMERIC *) HiiQuestion2 + 1);
CopyMem (&Minimum2, Ptr, HiiQuestion2->StorageWidth);
Ptr += HiiQuestion2->StorageWidth;
CopyMem (&Maximum2, Ptr, HiiQuestion2->StorageWidth);
//
// Update minimum.
//
Ptr = (UINT8 *) ((VAR_CHECK_HII_QUESTION_NUMERIC *) HiiQuestion1 + 1);
if (Minimum2 < Minimum1) {
Minimum1 = Minimum2;
CopyMem (Ptr, &Minimum1, HiiQuestion1->StorageWidth);
}
//
// Update maximum.
//
Ptr += HiiQuestion1->StorageWidth;
if (Maximum2 > Maximum1) {
Maximum1 = Maximum2;
CopyMem (Ptr, &Maximum1, HiiQuestion1->StorageWidth);
}
break;
case EFI_IFR_ORDERED_LIST_OP:
DEBUG ((DEBUG_INFO, "MergeHiiQuestion - EFI_IFR_ORDERED_LIST_OP VarOffset = 0x%04x\n", HiiQuestion1->VarOffset));
//
// Get the length of Hii Question 1.
//
NewLength = HiiQuestion1->Length;
//
// Check if the one of options in Hii Question 2 have been in Hii Question 1.
//
Ptr2 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ORDEREDLIST *) HiiQuestion2 + 1);
while ((UINTN) Ptr2 < (UINTN) HiiQuestion2 + HiiQuestion2->Length) {
OneValue2 = 0;
CopyMem (&OneValue2, Ptr2, HiiQuestion2->StorageWidth);
Ptr1 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ORDEREDLIST *) HiiQuestion1 + 1);
while ((UINTN) Ptr1 < (UINTN) HiiQuestion1 + HiiQuestion1->Length) {
OneValue1 = 0;
CopyMem (&OneValue1, Ptr1, HiiQuestion1->StorageWidth);
if (OneValue2 == OneValue1) {
//
// Match
//
break;
}
Ptr1 += HiiQuestion1->StorageWidth;
}
if ((UINTN) Ptr1 >= ((UINTN) HiiQuestion1 + HiiQuestion1->Length)) {
//
// No match
//
NewLength = (UINT8) (NewLength + HiiQuestion1->StorageWidth);
}
Ptr2 += HiiQuestion2->StorageWidth;
}
if (NewLength > HiiQuestion1->Length) {
//
// Merge the one of options of Hii Question 2 and Hii Question 1.
//
NewHiiQuestion = InternalVarCheckAllocateZeroPool (NewLength);
ASSERT (NewHiiQuestion != NULL);
CopyMem (NewHiiQuestion, HiiQuestion1, HiiQuestion1->Length);
//
// Use the new length.
//
NewHiiQuestion->Length = NewLength;
Ptr = (UINT8 *) NewHiiQuestion + HiiQuestion1->Length;
Ptr2 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ORDEREDLIST *) HiiQuestion2 + 1);
while ((UINTN) Ptr2 < (UINTN) HiiQuestion2 + HiiQuestion2->Length) {
OneValue2 = 0;
CopyMem (&OneValue2, Ptr2, HiiQuestion2->StorageWidth);
Ptr1 = (UINT8 *) ((VAR_CHECK_HII_QUESTION_ORDEREDLIST *) HiiQuestion1 + 1);
while ((UINTN) Ptr1 < (UINTN) HiiQuestion1 + HiiQuestion1->Length) {
OneValue1 = 0;
CopyMem (&OneValue1, Ptr1, HiiQuestion1->StorageWidth);
if (OneValue2 == OneValue1) {
//
// Match
//
break;
}
Ptr1 += HiiQuestion1->StorageWidth;
}
if ((UINTN) Ptr1 >= ((UINTN) HiiQuestion1 + HiiQuestion1->Length)) {
//
// No match
//
CopyMem (Ptr, &OneValue2, HiiQuestion1->StorageWidth);
Ptr += HiiQuestion1->StorageWidth;
}
Ptr2 += HiiQuestion2->StorageWidth;
}
HiiVariableNode->HiiQuestionArray[ArrayIndex] = NewHiiQuestion;
InternalVarCheckFreePool (HiiQuestion1);
}
break;
default:
ASSERT (FALSE);
return;
break;
}
//
//
// Hii Question 2 has been merged with Hii Question 1.
//
InternalVarCheckFreePool (HiiQuestion2);
}
/**
Get OneOf option data.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
@param[out] Count Pointer to option count.
@param[out] Width Pointer to option width.
@param[out] OptionBuffer Pointer to option buffer.
**/
VOID
GetOneOfOption (
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader,
OUT UINTN *Count,
OUT UINT8 *Width,
OUT VOID *OptionBuffer OPTIONAL
)
{
UINTN Scope;
EFI_IFR_ONE_OF_OPTION *IfrOneOfOption;
//
// Assume all OPTION has same Width.
//
*Count = 0;
if (IfrOpCodeHeader->Scope != 0) {
//
// Nested OpCode.
//
Scope = 1;
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
while (Scope != 0) {
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_ONE_OF_OPTION_OP:
IfrOneOfOption = (EFI_IFR_ONE_OF_OPTION *) IfrOpCodeHeader;
switch (IfrOneOfOption->Type) {
case EFI_IFR_TYPE_NUM_SIZE_8:
*Count = *Count + 1;
*Width = sizeof (UINT8);
if (OptionBuffer != NULL) {
CopyMem (OptionBuffer, &IfrOneOfOption->Value.u8, sizeof (UINT8));
OptionBuffer = (UINT8 *) OptionBuffer + 1;
}
break;
case EFI_IFR_TYPE_NUM_SIZE_16:
*Count = *Count + 1;
*Width = sizeof (UINT16);
if (OptionBuffer != NULL) {
CopyMem (OptionBuffer, &IfrOneOfOption->Value.u16, sizeof (UINT16));
OptionBuffer = (UINT16 *) OptionBuffer + 1;
}
break;
case EFI_IFR_TYPE_NUM_SIZE_32:
*Count = *Count + 1;
*Width = sizeof (UINT32);
if (OptionBuffer != NULL) {
CopyMem (OptionBuffer, &IfrOneOfOption->Value.u32, sizeof (UINT32));
OptionBuffer = (UINT32 *) OptionBuffer + 1;
}
break;
case EFI_IFR_TYPE_NUM_SIZE_64:
*Count = *Count + 1;
*Width = sizeof (UINT64);
if (OptionBuffer != NULL) {
CopyMem (OptionBuffer, &IfrOneOfOption->Value.u64, sizeof (UINT64));
OptionBuffer = (UINT64 *) OptionBuffer + 1;
}
break;
case EFI_IFR_TYPE_BOOLEAN:
*Count = *Count + 1;
*Width = sizeof (BOOLEAN);
if (OptionBuffer != NULL) {
CopyMem (OptionBuffer, &IfrOneOfOption->Value.b, sizeof (BOOLEAN));
OptionBuffer = (BOOLEAN *) OptionBuffer + 1;
}
break;
default:
break;
}
break;
}
//
// Until End OpCode.
//
if (IfrOpCodeHeader->OpCode == EFI_IFR_END_OP) {
ASSERT (Scope > 0);
Scope--;
if (Scope == 0) {
break;
}
} else if (IfrOpCodeHeader->Scope != 0) {
//
// Nested OpCode.
//
Scope++;
}
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
}
}
return ;
}
/**
Parse Hii Question Oneof.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
@param[in] StoredInBitField Whether the OneOf is stored in bit field Storage.
return Pointer to Hii Question.
**/
VAR_CHECK_HII_QUESTION_HEADER *
ParseHiiQuestionOneOf (
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader,
IN BOOLEAN StoredInBitField
)
{
EFI_IFR_ONE_OF *IfrOneOf;
VAR_CHECK_HII_QUESTION_ONEOF *OneOf;
UINTN Length;
UINT8 Width;
UINTN OptionCount;
UINT8 OptionWidth;
UINT8 BitWidth;
IfrOneOf = (EFI_IFR_ONE_OF *) IfrOpCodeHeader;
BitWidth = 0;
if (StoredInBitField) {
//
// When OneOf stored in bit field, the bit width is saved in the lower six bits of the flag.
// And the options in the OneOf is saved as UINT32 type.
//
BitWidth = IfrOneOf->Flags & EDKII_IFR_NUMERIC_SIZE_BIT;
Width = sizeof (UINT32);
} else {
Width = (UINT8) (1 << (IfrOneOf->Flags & EFI_IFR_NUMERIC_SIZE));
}
GetOneOfOption (IfrOpCodeHeader, &OptionCount, &OptionWidth, NULL);
ASSERT (Width == OptionWidth);
Length = sizeof (*OneOf) + OptionCount * Width;
OneOf = InternalVarCheckAllocateZeroPool (Length);
ASSERT (OneOf != NULL);
OneOf->OpCode = EFI_IFR_ONE_OF_OP;
OneOf->Length = (UINT8) Length;
OneOf->VarOffset = IfrOneOf->Question.VarStoreInfo.VarOffset;
OneOf->BitFieldStore = StoredInBitField;
if (StoredInBitField) {
OneOf->StorageWidth = BitWidth;
} else {
OneOf->StorageWidth = Width;
}
GetOneOfOption (IfrOpCodeHeader, &OptionCount, &OptionWidth, OneOf + 1);
return (VAR_CHECK_HII_QUESTION_HEADER *) OneOf;
}
/**
Parse Hii Question CheckBox.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
@param[in] StoredInBitField Whether the CheckBox is stored in bit field Storage.
return Pointer to Hii Question.
**/
VAR_CHECK_HII_QUESTION_HEADER *
ParseHiiQuestionCheckBox (
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader,
IN BOOLEAN StoredInBitField
)
{
EFI_IFR_CHECKBOX *IfrCheckBox;
VAR_CHECK_HII_QUESTION_CHECKBOX *CheckBox;
IfrCheckBox = (EFI_IFR_CHECKBOX *) IfrOpCodeHeader;
CheckBox = InternalVarCheckAllocateZeroPool (sizeof (*CheckBox));
ASSERT (CheckBox != NULL);
CheckBox->OpCode = EFI_IFR_CHECKBOX_OP;
CheckBox->Length = (UINT8) sizeof (*CheckBox);;
CheckBox->VarOffset = IfrCheckBox->Question.VarStoreInfo.VarOffset;
CheckBox->BitFieldStore = StoredInBitField;
if (StoredInBitField) {
CheckBox->StorageWidth = 1;
} else {
CheckBox->StorageWidth = (UINT8) sizeof (BOOLEAN);
}
return (VAR_CHECK_HII_QUESTION_HEADER *) CheckBox;
}
/**
Parse Hii Question Numeric.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
@param[in] StoredInBitField Whether the Numeric is stored in bit field Storage.
return Pointer to Hii Question.
**/
VAR_CHECK_HII_QUESTION_HEADER *
ParseHiiQuestionNumeric (
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader,
IN BOOLEAN StoredInBitField
)
{
EFI_IFR_NUMERIC *IfrNumeric;
VAR_CHECK_HII_QUESTION_NUMERIC *Numeric;
UINT8 Width;
UINT8 BitWidth;
IfrNumeric = (EFI_IFR_NUMERIC *) IfrOpCodeHeader;
BitWidth = 0;
Numeric = InternalVarCheckAllocateZeroPool (sizeof (VAR_CHECK_HII_QUESTION_NUMERIC) + 2 * sizeof (UINT64));
ASSERT (Numeric != NULL);
if (StoredInBitField) {
//
// When Numeric stored in bit field, the bit field width is saved in the lower six bits of the flag.
// And the Minimum Maximum of Numeric is saved as UINT32 type.
//
BitWidth = IfrNumeric->Flags & EDKII_IFR_NUMERIC_SIZE_BIT;
Width = sizeof (UINT32);
} else {
Width = (UINT8) (1 << (IfrNumeric->Flags & EFI_IFR_NUMERIC_SIZE));
}
Numeric->OpCode = EFI_IFR_NUMERIC_OP;
Numeric->Length = (UINT8) (sizeof (VAR_CHECK_HII_QUESTION_NUMERIC) + 2 * Width);
Numeric->VarOffset = IfrNumeric->Question.VarStoreInfo.VarOffset;
Numeric->BitFieldStore = StoredInBitField;
if (StoredInBitField) {
Numeric->StorageWidth = BitWidth;
} else {
Numeric->StorageWidth = Width;
}
CopyMem (Numeric + 1, &IfrNumeric->data, Width * 2);
return (VAR_CHECK_HII_QUESTION_HEADER *) Numeric;
}
/**
Parse Hii Question OrderedList.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
return Pointer to Hii Question.
**/
VAR_CHECK_HII_QUESTION_HEADER *
ParseHiiQuestionOrderedList (
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader
)
{
EFI_IFR_ORDERED_LIST *IfrOrderedList;
VAR_CHECK_HII_QUESTION_ORDEREDLIST *OrderedList;
UINTN Length;
UINTN OptionCount;
UINT8 OptionWidth;
IfrOrderedList = (EFI_IFR_ORDERED_LIST *) IfrOpCodeHeader;
GetOneOfOption (IfrOpCodeHeader, &OptionCount, &OptionWidth, NULL);
Length = sizeof (*OrderedList) + OptionCount * OptionWidth;
OrderedList = InternalVarCheckAllocateZeroPool (Length);
ASSERT (OrderedList != NULL);
OrderedList->OpCode = EFI_IFR_ORDERED_LIST_OP;
OrderedList->Length = (UINT8) Length;
OrderedList->VarOffset = IfrOrderedList->Question.VarStoreInfo.VarOffset;
OrderedList->StorageWidth = OptionWidth;
OrderedList->MaxContainers = IfrOrderedList->MaxContainers;
OrderedList->BitFieldStore = FALSE;
GetOneOfOption (IfrOpCodeHeader, &OptionCount, &OptionWidth, OrderedList + 1);
return (VAR_CHECK_HII_QUESTION_HEADER *) OrderedList;
}
/**
Parse and create Hii Question node.
@param[in] HiiVariableNode Pointer to Hii Variable node.
@param[in] IfrOpCodeHeader Pointer to Ifr OpCode header.
@param[in] FromFv Hii Question from FV.
@param[in] StoredInBitField Whether the Question is stored in bit field Storage.
**/
VOID
ParseHiiQuestion (
IN VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode,
IN EFI_IFR_OP_HEADER *IfrOpCodeHeader,
IN BOOLEAN FromFv,
IN BOOLEAN StoredInBitField
)
{
VAR_CHECK_HII_QUESTION_HEADER *HiiQuestion;
UINTN ArrayIndex;
//
// Currently only OneOf, CheckBox and Numeric can be stored in bit field.
//
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_ONE_OF_OP:
HiiQuestion = ParseHiiQuestionOneOf (IfrOpCodeHeader, StoredInBitField);
break;
case EFI_IFR_CHECKBOX_OP:
HiiQuestion = ParseHiiQuestionCheckBox (IfrOpCodeHeader, StoredInBitField);
break;
case EFI_IFR_NUMERIC_OP:
HiiQuestion = ParseHiiQuestionNumeric (IfrOpCodeHeader, StoredInBitField);
break;
case EFI_IFR_ORDERED_LIST_OP:
HiiQuestion = ParseHiiQuestionOrderedList (IfrOpCodeHeader);
break;
default:
ASSERT (FALSE);
return;
break;
}
if (StoredInBitField) {
ArrayIndex = HiiQuestion->VarOffset;
} else {
ArrayIndex = HiiQuestion->VarOffset * 8;
}
if (HiiVariableNode->HiiQuestionArray[ArrayIndex] != NULL) {
MergeHiiQuestion (HiiVariableNode, HiiQuestion, FromFv);
} else {
HiiVariableNode->HiiQuestionArray[ArrayIndex] = HiiQuestion;
}
}
/**
Find Hii variable node by name and GUID.
@param[in] Name Pointer to variable name.
@param[in] Guid Pointer to vendor GUID.
@return Pointer to Hii Variable node.
**/
VAR_CHECK_HII_VARIABLE_NODE *
FindHiiVariableNode (
IN CHAR16 *Name,
IN EFI_GUID *Guid
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
LIST_ENTRY *Link;
for (Link = mVarCheckHiiList.ForwardLink
;Link != &mVarCheckHiiList
;Link = Link->ForwardLink) {
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (Link);
if ((StrCmp (Name, (CHAR16 *) (HiiVariableNode->HiiVariable + 1)) == 0) &&
CompareGuid (Guid, &HiiVariableNode->HiiVariable->Guid)) {
return HiiVariableNode;
}
}
return NULL;
}
/**
Find Hii variable node by var store id.
@param[in] VarStoreId Var store id.
@return Pointer to Hii Variable node.
**/
VAR_CHECK_HII_VARIABLE_NODE *
FindHiiVariableNodeByVarStoreId (
IN EFI_VARSTORE_ID VarStoreId
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
LIST_ENTRY *Link;
if (VarStoreId == 0) {
//
// The variable store identifier, which is unique within the current form set.
// A value of zero is invalid.
//
return NULL;
}
for (Link = mVarCheckHiiList.ForwardLink
;Link != &mVarCheckHiiList
;Link = Link->ForwardLink) {
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (Link);
//
// The variable store identifier, which is unique within the current form set.
//
if (VarStoreId == HiiVariableNode->VarStoreId) {
return HiiVariableNode;
}
}
return NULL;
}
/**
Destroy var store id in the Hii Variable node after parsing one Hii Package.
**/
VOID
DestroyVarStoreId (
VOID
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
LIST_ENTRY *Link;
for (Link = mVarCheckHiiList.ForwardLink
;Link != &mVarCheckHiiList
;Link = Link->ForwardLink) {
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (Link);
//
// The variable store identifier, which is unique within the current form set.
// A value of zero is invalid.
//
HiiVariableNode->VarStoreId = 0;
}
}
/**
Create Hii Variable node.
@param[in] IfrEfiVarStore Pointer to EFI VARSTORE.
**/
VOID
CreateHiiVariableNode (
IN EFI_IFR_VARSTORE_EFI *IfrEfiVarStore
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
VAR_CHECK_HII_VARIABLE_HEADER *HiiVariable;
UINTN HeaderLength;
CHAR16 *VarName;
UINTN VarNameSize;
//
// Get variable name.
//
VarNameSize = AsciiStrSize ((CHAR8 *) IfrEfiVarStore->Name) * sizeof (CHAR16);
if (VarNameSize > mMaxVarNameSize) {
mVarName = InternalVarCheckReallocatePool (mMaxVarNameSize, VarNameSize, mVarName);
ASSERT (mVarName != NULL);
mMaxVarNameSize = VarNameSize;
}
AsciiStrToUnicodeStrS ((CHAR8 *) IfrEfiVarStore->Name, mVarName, mMaxVarNameSize / sizeof (CHAR16));
VarName = mVarName;
HiiVariableNode = FindHiiVariableNode (
VarName,
&IfrEfiVarStore->Guid
);
if (HiiVariableNode == NULL) {
//
// Not found, then create new.
//
HeaderLength = sizeof (*HiiVariable) + VarNameSize;
HiiVariable = InternalVarCheckAllocateZeroPool (HeaderLength);
ASSERT (HiiVariable != NULL);
HiiVariable->Revision = VAR_CHECK_HII_REVISION;
HiiVariable->OpCode = EFI_IFR_VARSTORE_EFI_OP;
HiiVariable->HeaderLength = (UINT16) HeaderLength;
HiiVariable->Size = IfrEfiVarStore->Size;
HiiVariable->Attributes = IfrEfiVarStore->Attributes;
CopyGuid (&HiiVariable->Guid, &IfrEfiVarStore->Guid);
StrCpyS ((CHAR16 *) (HiiVariable + 1), VarNameSize / sizeof (CHAR16), VarName);
HiiVariableNode = InternalVarCheckAllocateZeroPool (sizeof (*HiiVariableNode));
ASSERT (HiiVariableNode != NULL);
HiiVariableNode->Signature = VAR_CHECK_HII_VARIABLE_NODE_SIGNATURE;
HiiVariableNode->HiiVariable = HiiVariable;
//
// The variable store identifier, which is unique within the current form set.
//
HiiVariableNode->VarStoreId = IfrEfiVarStore->VarStoreId;
HiiVariableNode->HiiQuestionArray = InternalVarCheckAllocateZeroPool (IfrEfiVarStore->Size * 8 * sizeof (VAR_CHECK_HII_QUESTION_HEADER *));
InsertTailList (&mVarCheckHiiList, &HiiVariableNode->Link);
} else {
HiiVariableNode->VarStoreId = IfrEfiVarStore->VarStoreId;
}
}
/**
Parse and create Hii Variable node list.
@param[in] HiiPackage Pointer to Hii Package.
**/
VOID
ParseHiiVariable (
IN VOID *HiiPackage
)
{
EFI_HII_PACKAGE_HEADER *HiiPackageHeader;
EFI_IFR_OP_HEADER *IfrOpCodeHeader;
EFI_IFR_VARSTORE_EFI *IfrEfiVarStore;
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) HiiPackage;
switch (HiiPackageHeader->Type) {
case EFI_HII_PACKAGE_FORMS:
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) (HiiPackageHeader + 1);
while ((UINTN) IfrOpCodeHeader < (UINTN) HiiPackageHeader + HiiPackageHeader->Length) {
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_VARSTORE_EFI_OP:
//
// Come to EFI VARSTORE in Form Package.
//
IfrEfiVarStore = (EFI_IFR_VARSTORE_EFI *) IfrOpCodeHeader;
if ((IfrEfiVarStore->Header.Length >= sizeof (EFI_IFR_VARSTORE_EFI)) &&
((IfrEfiVarStore->Attributes & EFI_VARIABLE_NON_VOLATILE) != 0)) {
//
// Only create node list for Hii Variable with NV attribute.
//
CreateHiiVariableNode (IfrEfiVarStore);
}
break;
default:
break;
}
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
}
break;
default:
break;
}
}
/**
Var Check Parse Hii Package.
@param[in] HiiPackage Pointer to Hii Package.
@param[in] FromFv Hii Package from FV.
**/
VOID
VarCheckParseHiiPackage (
IN VOID *HiiPackage,
IN BOOLEAN FromFv
)
{
EFI_HII_PACKAGE_HEADER *HiiPackageHeader;
EFI_IFR_OP_HEADER *IfrOpCodeHeader;
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
BOOLEAN QuestionStoredInBitField;
//
// Parse and create Hii Variable node list for this Hii Package.
//
ParseHiiVariable (HiiPackage);
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) HiiPackage;
QuestionStoredInBitField = FALSE;
switch (HiiPackageHeader->Type) {
case EFI_HII_PACKAGE_FORMS:
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) (HiiPackageHeader + 1);
while ((UINTN) IfrOpCodeHeader < (UINTN) HiiPackageHeader + HiiPackageHeader->Length) {
switch (IfrOpCodeHeader->OpCode) {
case EFI_IFR_GUID_OP:
if (CompareGuid ((EFI_GUID *)((UINTN)IfrOpCodeHeader + sizeof (EFI_IFR_OP_HEADER)), &gEdkiiIfrBitVarstoreGuid)) {
QuestionStoredInBitField = TRUE;
}
break;
case EFI_IFR_END_OP:
QuestionStoredInBitField = FALSE;
break;
case EFI_IFR_ONE_OF_OP:
case EFI_IFR_CHECKBOX_OP:
case EFI_IFR_NUMERIC_OP:
case EFI_IFR_ORDERED_LIST_OP:
HiiVariableNode = FindHiiVariableNodeByVarStoreId (((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.VarStoreId);
if ((HiiVariableNode == NULL) ||
//
// No related Hii Variable node found.
//
((((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.Header.Prompt == 0) && (((EFI_IFR_ONE_OF *) IfrOpCodeHeader)->Question.Header.Help == 0))) {
//
// meanless IFR item introduced by ECP.
//
} else {
//
// Normal IFR
//
ParseHiiQuestion (HiiVariableNode, IfrOpCodeHeader, FromFv, QuestionStoredInBitField);
}
default:
break;
}
IfrOpCodeHeader = (EFI_IFR_OP_HEADER *) ((UINTN) IfrOpCodeHeader + IfrOpCodeHeader->Length);
}
break;
default:
break;
}
DestroyVarStoreId ();
}
/**
Var Check Parse Hii Database.
@param[in] HiiDatabase Pointer to Hii Database.
@param[in] HiiDatabaseSize Hii Database size.
**/
VOID
VarCheckParseHiiDatabase (
IN VOID *HiiDatabase,
IN UINTN HiiDatabaseSize
)
{
EFI_HII_PACKAGE_LIST_HEADER *HiiPackageListHeader;
EFI_HII_PACKAGE_HEADER *HiiPackageHeader;
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER *) HiiDatabase;
while ((UINTN) HiiPackageListHeader < ((UINTN) HiiDatabase + HiiDatabaseSize)) {
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) (HiiPackageListHeader + 1);
while ((UINTN) HiiPackageHeader < ((UINTN) HiiPackageListHeader + HiiPackageListHeader->PackageLength)) {
//
// Parse Hii Package.
//
VarCheckParseHiiPackage (HiiPackageHeader, FALSE);
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER *) ((UINTN) HiiPackageHeader + HiiPackageHeader->Length);
}
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER *) ((UINTN) HiiPackageListHeader + HiiPackageListHeader->PackageLength);
}
}
/**
Destroy Hii Variable node.
**/
VOID
DestroyHiiVariableNode (
VOID
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
LIST_ENTRY *HiiVariableLink;
UINTN Index;
while (mVarCheckHiiList.ForwardLink != &mVarCheckHiiList) {
HiiVariableLink = mVarCheckHiiList.ForwardLink;
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (HiiVariableLink);
RemoveEntryList (&HiiVariableNode->Link);
//
// Free the allocated buffer.
//
for (Index = 0; Index < HiiVariableNode->HiiVariable->Size * (UINTN) 8; Index++) {
if (HiiVariableNode->HiiQuestionArray[Index] != NULL) {
InternalVarCheckFreePool (HiiVariableNode->HiiQuestionArray[Index]);
}
}
InternalVarCheckFreePool (HiiVariableNode->HiiQuestionArray);
InternalVarCheckFreePool (HiiVariableNode->HiiVariable);
InternalVarCheckFreePool (HiiVariableNode);
}
}
/**
Build VarCheckHiiBin.
@param[out] Size Pointer to VarCheckHii size.
@return Pointer to VarCheckHiiBin.
**/
VOID *
BuildVarCheckHiiBin (
OUT UINTN *Size
)
{
VAR_CHECK_HII_VARIABLE_NODE *HiiVariableNode;
LIST_ENTRY *HiiVariableLink;
UINTN Index;
VOID *Data;
UINT8 *Ptr;
UINT32 BinSize;
UINT32 HiiVariableLength;
//
// Get Size
//
BinSize = 0;
for (HiiVariableLink = mVarCheckHiiList.ForwardLink
;HiiVariableLink != &mVarCheckHiiList
;HiiVariableLink = HiiVariableLink->ForwardLink) {
//
// For Hii Variable header align.
//
BinSize = (UINT32) HEADER_ALIGN (BinSize);
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (HiiVariableLink);
HiiVariableLength = HiiVariableNode->HiiVariable->HeaderLength;
for (Index = 0; Index < HiiVariableNode->HiiVariable->Size * (UINTN) 8; Index++) {
if (HiiVariableNode->HiiQuestionArray[Index] != NULL) {
//
// For Hii Question header align.
//
HiiVariableLength = (UINT32) HEADER_ALIGN (HiiVariableLength);
HiiVariableLength += HiiVariableNode->HiiQuestionArray[Index]->Length;
}
}
HiiVariableNode->HiiVariable->Length = HiiVariableLength;
BinSize += HiiVariableLength;
}
DEBUG ((DEBUG_INFO, "VarCheckHiiBin - size = 0x%x\n", BinSize));
if (BinSize == 0) {
*Size = BinSize;
return NULL;
}
//
// AllocatePages () and AllocatePool () from gBS are used for the process of VarCheckHiiBin generation.
// Only here AllocateRuntimeZeroPool () from MemoryAllocateLib is used for runtime access
// in SetVariable check handler.
//
Data = AllocateRuntimeZeroPool (BinSize);
ASSERT (Data != NULL);
//
// Make sure the allocated buffer for VarCheckHiiBin at required alignment.
//
ASSERT ((((UINTN) Data) & (HEADER_ALIGNMENT - 1)) == 0);
DEBUG ((DEBUG_INFO, "VarCheckHiiBin - built at 0x%x\n", Data));
//
// Gen Data
//
Ptr = Data;
for (HiiVariableLink = mVarCheckHiiList.ForwardLink
;HiiVariableLink != &mVarCheckHiiList
;HiiVariableLink = HiiVariableLink->ForwardLink) {
//
// For Hii Variable header align.
//
Ptr = (UINT8 *) HEADER_ALIGN (Ptr);
HiiVariableNode = VAR_CHECK_HII_VARIABLE_FROM_LINK (HiiVariableLink);
CopyMem (Ptr, HiiVariableNode->HiiVariable, HiiVariableNode->HiiVariable->HeaderLength);
Ptr += HiiVariableNode->HiiVariable->HeaderLength;
for (Index = 0; Index < HiiVariableNode->HiiVariable->Size * (UINTN) 8; Index++) {
if (HiiVariableNode->HiiQuestionArray[Index] != NULL) {
//
// For Hii Question header align.
//
Ptr = (UINT8 *) HEADER_ALIGN (Ptr);
CopyMem (Ptr, HiiVariableNode->HiiQuestionArray[Index], HiiVariableNode->HiiQuestionArray[Index]->Length);
Ptr += HiiVariableNode->HiiQuestionArray[Index]->Length;
}
}
}
*Size = BinSize;
return Data;
}
/**
Generate VarCheckHiiBin from Hii Database and FV.
**/
VOID
EFIAPI
VarCheckHiiGen (
VOID
)
{
VarCheckHiiGenFromHiiDatabase ();
VarCheckHiiGenFromFv ();
mVarCheckHiiBin = BuildVarCheckHiiBin (&mVarCheckHiiBinSize);
if (mVarCheckHiiBin == NULL) {
DEBUG ((DEBUG_INFO, "[VarCheckHii] This driver could be removed from *.dsc and *.fdf\n"));
return;
}
DestroyHiiVariableNode ();
if (mVarName != NULL) {
InternalVarCheckFreePool (mVarName);
}
#ifdef DUMP_VAR_CHECK_HII
DEBUG_CODE (
DumpVarCheckHii (mVarCheckHiiBin, mVarCheckHiiBinSize);
);
#endif
}
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