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audk/MdePkg/Library/HiiLib/HiiLib.c

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/** @file
HII Library implementation that uses DXE protocols and services.
Copyright (c) 2006, Intel Corporation<BR>
All rights reserved. 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 <PiDxe.h>
#include <Protocol/HiiDatabase.h>
#include <Protocol/HiiString.h>
#include <Protocol/DevicePath.h>
#include <Guid/GlobalVariable.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/HiiLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/PcdLib.h>
#include <MdeModuleHii.h>
#include "InternalHiiLib.h"
EFI_HII_DATABASE_PROTOCOL *mHiiDatabaseProt;
EFI_HII_STRING_PROTOCOL *mHiiStringProt;
//
// Hii vendor device path template
//
HII_VENDOR_DEVICE_PATH mHiiVendorDevicePathTemplate = {
{
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (HII_VENDOR_DEVICE_PATH_NODE)),
(UINT8) ((sizeof (HII_VENDOR_DEVICE_PATH_NODE)) >> 8)
}
},
EFI_IFR_TIANO_GUID
},
0
},
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
END_DEVICE_PATH_LENGTH
}
}
};
EFI_STATUS
EFIAPI
UefiHiiLibConstructor (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
EFI_STATUS Status;
Status = gBS->LocateProtocol (
&gEfiHiiDatabaseProtocolGuid,
NULL,
(VOID **) &mHiiDatabaseProt
);
ASSERT_EFI_ERROR (Status);
ASSERT (mHiiDatabaseProt != NULL);
Status = gBS->LocateProtocol (
&gEfiHiiStringProtocolGuid,
NULL,
(VOID **) &mHiiStringProt
);
ASSERT_EFI_ERROR (Status);
ASSERT (mHiiStringProt != NULL);
return EFI_SUCCESS;
}
EFI_STATUS
HiiLibGetCurrentLanguage (
OUT CHAR8 *Lang
)
/*++
Routine Description:
Determine what is the current language setting
Arguments:
Lang - Pointer of system language
Returns:
Status code
--*/
{
EFI_STATUS Status;
UINTN Size;
//
// Get current language setting
//
Size = RFC_3066_ENTRY_SIZE;
Status = gRT->GetVariable (
L"PlatformLang",
&gEfiGlobalVariableGuid,
NULL,
&Size,
Lang
);
if (EFI_ERROR (Status)) {
AsciiStrCpy (Lang, (CHAR8 *) PcdGetPtr (PcdUefiVariableDefaultPlatformLang));
}
return Status;
}
VOID
HiiLibGetNextLanguage (
IN OUT CHAR8 **LangCode,
OUT CHAR8 *Lang
)
/*++
Routine Description:
Get next language from language code list (with separator ';').
Arguments:
LangCode - On input: point to first language in the list. On output: point to
next language in the list, or NULL if no more language in the list.
Lang - The first language in the list.
Returns:
None.
--*/
{
UINTN Index;
CHAR8 *StringPtr;
if (LangCode == NULL || *LangCode == NULL) {
*Lang = 0;
return;
}
Index = 0;
StringPtr = *LangCode;
while (StringPtr[Index] != 0 && StringPtr[Index] != ';') {
Index++;
}
CopyMem (Lang, StringPtr, Index);
Lang[Index] = 0;
if (StringPtr[Index] == ';') {
Index++;
}
*LangCode = StringPtr + Index;
}
CHAR8 *
HiiLibGetSupportedLanguages (
IN EFI_HII_HANDLE HiiHandle
)
/*++
Routine Description:
This function returns the list of supported languages, in the format specified
in UEFI specification Appendix M.
Arguments:
HiiHandle - The HII package list handle.
Returns:
The supported languages.
--*/
{
EFI_STATUS Status;
UINTN BufferSize;
CHAR8 *LanguageString;
//
// Collect current supported Languages for given HII handle
//
BufferSize = 0x1000;
LanguageString = AllocatePool (BufferSize);
Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
if (Status == EFI_BUFFER_TOO_SMALL) {
gBS->FreePool (LanguageString);
LanguageString = AllocatePool (BufferSize);
Status = mHiiStringProt->GetLanguages (mHiiStringProt, HiiHandle, LanguageString, &BufferSize);
}
if (EFI_ERROR (Status)) {
LanguageString = NULL;
}
return LanguageString;
}
UINT16
HiiLibGetSupportedLanguageNumber (
IN EFI_HII_HANDLE HiiHandle
)
/*++
Routine Description:
This function returns the number of supported languages
Arguments:
HiiHandle - The HII package list handle.
Returns:
The number of supported languages.
--*/
{
CHAR8 *Languages;
CHAR8 *LanguageString;
UINT16 LangNumber;
CHAR8 Lang[RFC_3066_ENTRY_SIZE];
Languages = HiiLibGetSupportedLanguages (HiiHandle);
if (Languages == NULL) {
return 0;
}
LangNumber = 0;
LanguageString = Languages;
while (*LanguageString != 0) {
HiiLibGetNextLanguage (&LanguageString, Lang);
LangNumber++;
}
gBS->FreePool (Languages);
return LangNumber;
}
EFI_HII_PACKAGE_LIST_HEADER *
InternalHiiLibPreparePackages (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId, OPTIONAL
VA_LIST Marker
)
{
EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
UINT8 *PackageListData;
UINT32 PackageListLength;
UINT32 PackageLength;
EFI_HII_PACKAGE_HEADER PackageHeader;
UINT8 *PackageArray;
UINTN Index;
VA_LIST MarkerBackup;
PackageListLength = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
MarkerBackup = Marker;
for (Index = 0; Index < NumberOfPackages; Index++) {
CopyMem (&PackageLength, VA_ARG (Marker, VOID *), sizeof (UINT32));
PackageListLength += (PackageLength - sizeof (UINT32));
}
//
// Include the lenght of EFI_HII_PACKAGE_END
//
PackageListLength += sizeof (EFI_HII_PACKAGE_HEADER);
PackageListHeader = AllocateZeroPool (PackageListLength);
ASSERT (PackageListHeader != NULL);
CopyMem (&PackageListHeader->PackageListGuid, GuidId, sizeof (EFI_GUID));
PackageListHeader->PackageLength = PackageListLength;
PackageListData = ((UINT8 *) PackageListHeader) + sizeof (EFI_HII_PACKAGE_LIST_HEADER);
Marker = MarkerBackup;
for (Index = 0; Index < NumberOfPackages; Index++) {
PackageArray = (UINT8 *) VA_ARG (Marker, VOID *);
CopyMem (&PackageLength, PackageArray, sizeof (UINT32));
PackageLength -= sizeof (UINT32);
PackageArray += sizeof (UINT32);
CopyMem (PackageListData, PackageArray, PackageLength);
PackageListData += PackageLength;
}
//
// Append EFI_HII_PACKAGE_END
//
PackageHeader.Type = EFI_HII_PACKAGE_END;
PackageHeader.Length = sizeof (EFI_HII_PACKAGE_HEADER);
CopyMem (PackageListData, &PackageHeader, PackageHeader.Length);
return PackageListHeader;
}
EFI_HII_PACKAGE_LIST_HEADER *
EFIAPI
HiiLibPreparePackageList (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId,
...
)
/*++
Routine Description:
Assemble EFI_HII_PACKAGE_LIST according to the passed in packages.
Arguments:
NumberOfPackages - Number of packages.
GuidId - Package GUID.
Returns:
Pointer of EFI_HII_PACKAGE_LIST_HEADER.
--*/
{
EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
VA_LIST Marker;
VA_START (Marker, GuidId);
PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Marker);
VA_END (Marker);
return PackageListHeader;
}
/**
This function allocates pool for an EFI_HII_PACKAGE_LIST structure
with additional space that is big enough to host all packages described by the variable
argument list of package pointers. The allocated structure is initialized using NumberOfPackages,
GuidId, and the variable length argument list of package pointers.
Then, EFI_HII_PACKAGE_LIST will be register to the default System HII Database. The
Handle to the newly registered Package List is returned throught HiiHandle.
@param NumberOfPackages The number of HII packages to register.
@param GuidId Package List GUID ID.
@param HiiHandle The ID used to retrieve the Package List later.
@param ... The variable argument list describing all HII Package.
@return
The allocated and initialized packages.
**/
EFI_STATUS
EFIAPI
HiiLibAddPackagesToHiiDatabase (
IN UINTN NumberOfPackages,
IN CONST EFI_GUID *GuidId,
IN EFI_HANDLE DriverHandle, OPTIONAL
OUT EFI_HII_HANDLE *HiiHandle, OPTIONAL
...
)
{
VA_LIST Args;
EFI_HII_PACKAGE_LIST_HEADER *PackageListHeader;
EFI_STATUS Status;
VA_START (Args, HiiHandle);
PackageListHeader = InternalHiiLibPreparePackages (NumberOfPackages, GuidId, Args);
Status = mHiiDatabaseProt->NewPackageList (mHiiDatabaseProt, PackageListHeader, DriverHandle, HiiHandle);
if (HiiHandle != NULL) {
if (EFI_ERROR (Status)) {
*HiiHandle = NULL;
}
}
FreePool (PackageListHeader);
VA_END (Args);
return Status;
}
EFI_STATUS
EFIAPI
HiiLibAddFontPackageToHiiDatabase (
IN UINTN FontSize,
IN CONST UINT8 *FontBinary,
IN CONST EFI_GUID *GuidId,
OUT EFI_HII_HANDLE *HiiHandle OPTIONAL
)
{
EFI_STATUS Status;
UINT8 *Location;
EFI_HII_SIMPLE_FONT_PACKAGE_HDR *SimplifiedFont;
UINTN PackageLength;
EFI_HII_PACKAGE_LIST_HEADER *PackageList;
UINT8 *Package;
//
// Add 4 bytes to the header for entire length for PreparePackageList use only.
// Looks ugly. Might be updated when font tool is ready.
//
PackageLength = sizeof (EFI_HII_SIMPLE_FONT_PACKAGE_HDR) + FontSize + 4;
Package = AllocateZeroPool (PackageLength);
if (Package == NULL) {
return EFI_OUT_OF_RESOURCES;
}
CopyMem (Package, &PackageLength, 4);
SimplifiedFont = (EFI_HII_SIMPLE_FONT_PACKAGE_HDR*) (Package + 4);
SimplifiedFont->Header.Length = (UINT32) (PackageLength - 4);
SimplifiedFont->Header.Type = EFI_HII_PACKAGE_SIMPLE_FONTS;
SimplifiedFont->NumberOfNarrowGlyphs = (UINT16) (FontSize / sizeof (EFI_NARROW_GLYPH));
Location = (UINT8 *) (&SimplifiedFont->NumberOfWideGlyphs + 1);
CopyMem (Location, FontBinary, FontSize);
//
// Add this simplified font package to a package list then install it.
//
PackageList = HiiLibPreparePackageList (1, GuidId, Package);
Status = mHiiDatabaseProt->NewPackageList (mHiiDatabaseProt, PackageList, NULL, HiiHandle);
ASSERT_EFI_ERROR (Status);
SafeFreePool (PackageList);
SafeFreePool (Package);
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
HiiLibRemovePackagesFromHiiDatabase (
IN EFI_HII_HANDLE HiiHandle
)
{
return mHiiDatabaseProt->RemovePackageList (mHiiDatabaseProt, HiiHandle);
}
EFI_STATUS
EFIAPI
HiiLibCreateString (
IN EFI_HII_HANDLE PackageList,
OUT EFI_STRING_ID *StringId,
IN CONST EFI_STRING String
)
{
EFI_STATUS Status;
CHAR8 *Languages;
CHAR8 *LangStrings;
CHAR8 Lang[RFC_3066_ENTRY_SIZE];
Status = EFI_SUCCESS;
Languages = HiiLibGetSupportedLanguages (PackageList);
LangStrings = Languages;
while (*LangStrings != 0) {
HiiLibGetNextLanguage (&LangStrings, Lang);
Status = mHiiStringProt->NewString (
mHiiStringProt,
PackageList,
StringId,
Lang,
NULL,
String,
NULL
);
if (EFI_ERROR (Status)) {
break;
}
}
FreePool (Languages);
return Status;
}
EFI_STATUS
EFIAPI
HiiLibUpdateString (
IN EFI_HII_HANDLE PackageList,
IN EFI_STRING_ID StringId,
IN CONST EFI_STRING String
)
{
EFI_STATUS Status;
CHAR8 *Languages;
CHAR8 *LangStrings;
CHAR8 Lang[RFC_3066_ENTRY_SIZE];
Status = EFI_SUCCESS;
Languages = HiiLibGetSupportedLanguages (PackageList);
LangStrings = Languages;
while (*LangStrings != 0) {
HiiLibGetNextLanguage (&LangStrings, Lang);
Status = mHiiStringProt->SetString (
mHiiStringProt,
PackageList,
StringId,
Lang,
String,
NULL
);
if (EFI_ERROR (Status)) {
break;
}
}
FreePool (Languages);
return Status;
}
// //
// //////////////////////////////////////////////////
// //
//
// This function is Implementation Specifc. HII_VENDOR_DEVICE_PATH
// This should be moved to MdeModulepkg.
//
EFI_STATUS
EFIAPI
HiiLibCreateHiiDriverHandle (
OUT EFI_HANDLE *DriverHandle
)
{
EFI_STATUS Status;
HII_VENDOR_DEVICE_PATH_NODE *VendorDevicePath;
UINT64 MonotonicCount;
VendorDevicePath = AllocateCopyPool (sizeof (HII_VENDOR_DEVICE_PATH), &mHiiVendorDevicePathTemplate);
if (VendorDevicePath == NULL) {
return EFI_OUT_OF_RESOURCES;
}
gBS->GetNextMonotonicCount (&MonotonicCount);
VendorDevicePath->MonotonicCount = (UINT32) MonotonicCount;
*DriverHandle = NULL;
Status = gBS->InstallProtocolInterface (
DriverHandle,
&gEfiDevicePathProtocolGuid,
EFI_NATIVE_INTERFACE,
VendorDevicePath
);
if (EFI_ERROR (Status)) {
return Status;
}
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
HiiLibDestroyHiiDriverHandle (
IN EFI_HANDLE DriverHandle
)
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
Status = gBS->HandleProtocol (
DriverHandle,
&gEfiDevicePathProtocolGuid,
(VOID **) &DevicePath
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->UninstallProtocolInterface (
DriverHandle,
&gEfiDevicePathProtocolGuid,
DevicePath
);
return Status;
}
EFI_STATUS
HiiLibExtractDefault(
IN VOID *Buffer,
IN UINTN *BufferSize,
UINTN Number,
...
)
/*++
Routine Description:
Configure the buffer accrording to ConfigBody strings.
Arguments:
DefaultId - the ID of default.
Buffer - the start address of buffer.
BufferSize - the size of buffer.
Number - the number of the strings.
Returns:
EFI_BUFFER_TOO_SMALL - the BufferSize is too small to operate.
EFI_INVALID_PARAMETER - Buffer is NULL or BufferSize is 0.
EFI_SUCCESS - Operation successful.
--*/
{
VA_LIST Args;
UINTN Index;
UINT32 TotalLen;
UINT8 *BufCfgArray;
UINT8 *BufferPos;
UINT16 Offset;
UINT16 Width;
UINT8 *Value;
if ((Buffer == NULL) || (BufferSize == NULL)) {
return EFI_INVALID_PARAMETER;
}
Offset = 0;
Width = 0;
Value = NULL;
VA_START (Args, Number);
for (Index = 0; Index < Number; Index++) {
BufCfgArray = (UINT8 *) VA_ARG (Args, VOID *);
CopyMem (&TotalLen, BufCfgArray, sizeof (UINT32));
BufferPos = BufCfgArray + sizeof (UINT32);
while ((UINT32)(BufferPos - BufCfgArray) < TotalLen) {
CopyMem (&Offset, BufferPos, sizeof (UINT16));
BufferPos += sizeof (UINT16);
CopyMem (&Width, BufferPos, sizeof (UINT16));
BufferPos += sizeof (UINT16);
Value = BufferPos;
BufferPos += Width;
if ((UINTN)(Offset + Width) > *BufferSize) {
return EFI_BUFFER_TOO_SMALL;
}
CopyMem ((UINT8 *)Buffer + Offset, Value, Width);
}
}
VA_END (Args);
*BufferSize = (UINTN)Offset;
return EFI_SUCCESS;
}
STATIC EFI_GUID mIfrVendorGuid = EFI_IFR_TIANO_GUID;
EFI_STATUS
HiiLibExtractClassFromHiiHandle (
IN EFI_HII_HANDLE Handle,
OUT UINT16 *Class,
OUT EFI_STRING_ID *FormSetTitle,
OUT EFI_STRING_ID *FormSetHelp
)
/*++
Routine Description:
Extract formset class for given HII handle.
Arguments:
HiiHandle - Hii handle
Class - Class of the formset
FormSetTitle - Formset title string
FormSetHelp - Formset help string
Returns:
EFI_SUCCESS - Successfully extract Class for specified Hii handle.
--*/
{
EFI_STATUS Status;
UINTN BufferSize;
EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
EFI_HII_PACKAGE_LIST_HEADER *HiiPackageList;
UINT8 *Package;
UINT8 *OpCodeData;
UINT32 Offset;
UINT32 Offset2;
UINT32 PackageListLength;
EFI_HII_PACKAGE_HEADER PackageHeader;
*Class = EFI_NON_DEVICE_CLASS;
*FormSetTitle = 0;
*FormSetHelp = 0;
//
// Locate HII Database protocol
//
Status = gBS->LocateProtocol (
&gEfiHiiDatabaseProtocolGuid,
NULL,
(VOID **) &HiiDatabase
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get HII PackageList
//
BufferSize = 0;
HiiPackageList = NULL;
Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);
if (Status == EFI_BUFFER_TOO_SMALL) {
HiiPackageList = AllocatePool (BufferSize);
ASSERT (HiiPackageList != NULL);
Status = HiiDatabase->ExportPackageLists (HiiDatabase, Handle, &BufferSize, HiiPackageList);
}
if (EFI_ERROR (Status)) {
return Status;
}
//
// Get Form package from this HII package List
//
Offset = sizeof (EFI_HII_PACKAGE_LIST_HEADER);
Offset2 = 0;
CopyMem (&PackageListLength, &HiiPackageList->PackageLength, sizeof (UINT32));
while (Offset < PackageListLength) {
Package = ((UINT8 *) HiiPackageList) + Offset;
CopyMem (&PackageHeader, Package, sizeof (EFI_HII_PACKAGE_HEADER));
if (PackageHeader.Type == EFI_HII_PACKAGE_FORM) {
//
// Search Class Opcode in this Form Package
//
Offset2 = sizeof (EFI_HII_PACKAGE_HEADER);
while (Offset2 < PackageHeader.Length) {
OpCodeData = Package + Offset2;
if (((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_FORM_SET_OP) {
//
// Find FormSet OpCode
//
CopyMem (FormSetTitle, &((EFI_IFR_FORM_SET *) OpCodeData)->FormSetTitle, sizeof (EFI_STRING_ID));
CopyMem (FormSetHelp, &((EFI_IFR_FORM_SET *) OpCodeData)->Help, sizeof (EFI_STRING_ID));
}
if ((((EFI_IFR_OP_HEADER *) OpCodeData)->OpCode == EFI_IFR_GUID_OP) &&
CompareGuid (&mIfrVendorGuid, (EFI_GUID *)(OpCodeData + sizeof (EFI_IFR_OP_HEADER))) &&
(((EFI_IFR_GUID_CLASS *) OpCodeData)->ExtendOpCode == EFI_IFR_EXTEND_OP_CLASS)
) {
//
// Find GUIDed Class OpCode
//
CopyMem (Class, &((EFI_IFR_GUID_CLASS *) OpCodeData)->Class, sizeof (UINT16));
//
// Till now, we ought to have found the formset Opcode
//
break;
}
Offset2 += ((EFI_IFR_OP_HEADER *) OpCodeData)->Length;
}
if (Offset2 < PackageHeader.Length) {
//
// Target formset found
//
break;
}
}
Offset += PackageHeader.Length;
}
gBS->FreePool (HiiPackageList);
return EFI_SUCCESS;
}
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