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/*
* Copyright (c) 2024, Konstantin Aladyshev <aladyshev22@gmail.com>
*
* SPDX-License-Identifier: MIT
*/
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#include <Protocol/HiiDatabase.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/ShellLib.h>
#include <Library/PrintLib.h>
#include <Library/HiiLib.h>
GLOBAL_REMOVE_IF_UNREFERENCED EFI_STRING_ID mStringHelpTokenId = STRING_TOKEN(STR_HELP);
BOOLEAN savePackageLists = FALSE;
UINTN savePackageIndex = 0xffffffff; // ALL
EFI_STATUS WriteFile(CHAR16* FileName, VOID* Data, UINTN* Size)
{
SHELL_FILE_HANDLE FileHandle;
EFI_STATUS Status = ShellOpenFileByName(
FileName,
&FileHandle,
EFI_FILE_MODE_CREATE | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_READ,
0
);
if (!EFI_ERROR(Status)) {
Print(L"Save file as %s\n", FileName);
UINTN ToWrite = *Size;
Status = ShellWriteFile(
FileHandle,
Size,
Data
);
if (EFI_ERROR(Status)) {
Print(L"Can't write file: %r\n", Status);
}
if (*Size != ToWrite) {
Print(L"Error! Not all data was written\n");
}
Status = ShellCloseFile(
&FileHandle
);
if (EFI_ERROR(Status)) {
Print(L"Can't close file: %r\n", Status);
}
} else {
Print(L"Can't open file: %r\n", Status);
}
return Status;
}
CHAR16* PackageType(UINTN Type)
{
switch(Type) {
case EFI_HII_PACKAGE_TYPE_ALL:
return L"ALL";
case EFI_HII_PACKAGE_TYPE_GUID:
return L"GUID";
case EFI_HII_PACKAGE_FORMS:
return L"FORMS";
case EFI_HII_PACKAGE_STRINGS:
return L"STRINGS";
case EFI_HII_PACKAGE_FONTS:
return L"FONTS";
case EFI_HII_PACKAGE_IMAGES:
return L"IMAGES";
case EFI_HII_PACKAGE_SIMPLE_FONTS:
return L"SIMPLE_FONTS";
case EFI_HII_PACKAGE_DEVICE_PATH:
return L"DEVICE_PATH";
case EFI_HII_PACKAGE_KEYBOARD_LAYOUT:
return L"KEYBOARD_LAYOUT";
case EFI_HII_PACKAGE_ANIMATIONS:
return L"ANIMATIONS";
case EFI_HII_PACKAGE_END:
return L"END";
case EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN:
return L"SYSTEM_BEGIN";
case EFI_HII_PACKAGE_TYPE_SYSTEM_END:
return L"SYSTEM_END";
}
return L"UNKNOWN";
}
VOID ParseHiiPackageLists(EFI_HII_PACKAGE_LIST_HEADER* HiiDatabase, UINTN HiiDatabaseSize)
{
EFI_HII_PACKAGE_LIST_HEADER* HiiPackageListHeader;
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER*) HiiDatabase;
UINTN i=0;
while ((UINTN) HiiPackageListHeader < ((UINTN) HiiDatabase + HiiDatabaseSize)) {
UINTN HiiPackageListSize = HiiPackageListHeader->PackageLength;
if (HiiPackageListSize == 0)
break;
if (savePackageLists) {
if ((savePackageIndex == 0xFFFFFFFF) || (savePackageIndex == i)) {
CHAR16 FileName[100];
UnicodeSPrint(FileName, 100, L"%04d_%g", i, HiiPackageListHeader->PackageListGuid);
UINTN ToWrite = HiiPackageListSize;
EFI_STATUS Status = WriteFile(FileName, HiiPackageListHeader, &ToWrite);
if (EFI_ERROR(Status)) {
Print(L"Error! Failed to write PackageList %d\n", i);
}
}
}
if (!savePackageLists)
Print(L"PackageList[%d]: GUID=%g; size=0x%X\n", i, HiiPackageListHeader->PackageListGuid, HiiPackageListHeader->PackageLength);
i++;
EFI_HII_PACKAGE_HEADER* HiiPackageHeader = (EFI_HII_PACKAGE_HEADER*)((UINTN) HiiPackageListHeader + sizeof(EFI_HII_PACKAGE_LIST_HEADER));
UINTN j=0;
while ((UINTN) HiiPackageHeader < ((UINTN) HiiPackageListHeader + HiiPackageListSize)) {
if (!savePackageLists)
Print(L"\tPackage[%d]: type=%s; size=0x%X\n", j++, PackageType(HiiPackageHeader->Type), HiiPackageHeader->Length);
// Go to next Package
HiiPackageHeader = (EFI_HII_PACKAGE_HEADER*)((UINTN) HiiPackageHeader + HiiPackageHeader->Length);
}
// Go to next PackageList
HiiPackageListHeader = (EFI_HII_PACKAGE_LIST_HEADER*)((UINTN) HiiPackageListHeader + HiiPackageListSize);
}
}
VOID Usage()
{
CHAR16 HelpStr[100];
UnicodeSPrint(HelpStr, 100, L"%a", gEfiCallerBaseName);
ShellPrintHelp(HelpStr, NULL, FALSE);
}
INTN EFIAPI ShellAppMain(IN UINTN Argc, IN CHAR16 **Argv)
{
EFI_STATUS Status;
UINTN bOptionIndex = Argc;
UINTN hOptionIndex = Argc;
for (UINTN i = 1; i < Argc; i++) {
if (!StrCmp(Argv[i], L"-b")) {
ShellSetPageBreakMode(TRUE);
bOptionIndex = i;
} else if (!StrCmp(Argv[i], L"-?")) {
hOptionIndex = i;
}
}
for (UINTN i = 1; i < Argc; i++) {
if ((i == bOptionIndex) || (i == hOptionIndex))
continue;
if (!StrCmp(Argv[i], L"save")) {
savePackageLists = TRUE;
if (((i + 1) < Argc) && ((i + 1) != bOptionIndex) && ((i + 1) != hOptionIndex)) {
CHAR16* EndPointer;
Status = StrDecimalToUintnS(Argv[i + 1], &EndPointer, &savePackageIndex);
if (EFI_ERROR(Status) || (EndPointer == Argv[i + 1])) {
Usage();
return EFI_INVALID_PARAMETER;
}
i += 1;
}
} else {
Usage();
return EFI_INVALID_PARAMETER;
}
}
EFI_HII_DATABASE_PROTOCOL* HiiDbProtocol;
Status = gBS->LocateProtocol(&gEfiHiiDatabaseProtocolGuid,
NULL,
(VOID**)&HiiDbProtocol);
if (EFI_ERROR(Status)) {
Print(L"ERROR: Could not find HII Database protocol: %r\n", Status);
return Status;
}
UINTN PackageListSize = 0;
EFI_HII_PACKAGE_LIST_HEADER* PackageList = NULL;
Status = HiiDbProtocol->ExportPackageLists(HiiDbProtocol,
NULL, // All package lists
&PackageListSize,
PackageList);
if (Status != EFI_BUFFER_TOO_SMALL) {
Print(L"ERROR: Could not obtain package list size\n");
return Status;
}
Status = gBS->AllocatePool(EfiBootServicesData,
PackageListSize,
(VOID**)&PackageList);
if (EFI_ERROR(Status)) {
Print(L"ERROR: Could not allocate sufficient memory for package list: %r\n", Status);
return Status;
}
Status = HiiDbProtocol->ExportPackageLists(HiiDbProtocol,
NULL,
&PackageListSize,
PackageList);
if (EFI_ERROR(Status)) {
Print(L"ERROR: Could not retrieve the package list: %r\n", Status);
FreePool(PackageList);
return Status;
}
ParseHiiPackageLists(PackageList, PackageListSize);
FreePool(PackageList);
return EFI_SUCCESS;
}
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