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#include <stdio.h>
#include <Uefi.h>
#include <Library/UefiLib.h>
#include <Library/UefiApplicationEntryPoint.h>
EFI_STATUS
EFIAPI
UefiMain (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
/*
EFI_STATUS efiStatus;
EFI_BOOT_SERVICES* bs = SystemTable->BootServices;
EFI_GUID sfspGuid = EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID;
EFI_HANDLE* handleBuffer = NULL;
UINTN handleCount = 0;
UINTN HandleIndex;
EFI_GUID **ProtocolGuidArray;
UINTN ArrayCount;
UINTN ProtocolIndex;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfo;
UINTN OpenInfoIndex;
UINTN OpenInfoCount;
efiStatus = bs->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
handleCount,
&handleBuffer
);
Print(L"Number of handles found: %d\n", handleCount);
if (!EFI_ERROR (efiStatus)) {
for (HandleIndex = 0; HandleIndex < handleCount; HandleIndex++) {
//
// Retrieve the list of all the protocols on each handle
//
efiStatus = bs->ProtocolsPerHandle (
handleBuffer[HandleIndex],
&ProtocolGuidArray,
&ArrayCount
);
Print(L"Number of Protocols per Handle: %d\n", ArrayCount);
if (!EFI_ERROR (efiStatus)) {
for (ProtocolIndex = 0; ProtocolIndex < ArrayCount; ProtocolIndex++) {
//
// Retrieve the protocol instance for each protocol
//
efiStatus = bs->OpenProtocol (
handleBuffer[HandleIndex],
ProtocolGuidArray[ProtocolIndex],
NULL,
ImageHandle,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
//
// Retrieve the list of agents that have opened each protocol
//
efiStatus = bs->OpenProtocolInformation (
handleBuffer[HandleIndex],
ProtocolGuidArray[ProtocolIndex],
&OpenInfo,
&OpenInfoCount
);
if (!EFI_ERROR (efiStatus)) {
for (OpenInfoIndex=0;OpenInfoIndex<OpenInfoCount;OpenInfoIndex++) {
//
// HandleBuffer[HandleIndex] is the handle
// ProtocolGuidArray[ProtocolIndex] is the protocol GUID
// Instance is the protocol instance for the protocol
// OpenInfo[OpenInfoIndex] is an agent that has opened a protocol
//
}
if (OpenInfo != NULL) {
bs->FreePool(OpenInfo);
}
}
}
if (ProtocolGuidArray != NULL) {
bs->FreePool(ProtocolGuidArray);
}
}
if (handleBuffer != NULL) {
bs->FreePool (handleBuffer);
}
}
}
*/
/* efiStatus = bs->LocateHandleBuffer(ByProtocol,
&sfspGuid,
NULL,
&handleCount,
&handles);
Print(L"Handle count: %d\n", handleCount);
for (int index = 0; index < (int)handleCount; ++ index)
{
EFI_SIMPLE_FILE_SYSTEM_PROTOCOL* fs = NULL;
Print(L"sfspGuid: %d\n", sfspGuid);
efiStatus = bs->HandleProtocol( // TODO Should use OpenProtocol() in new implementations
handles[index],
&sfspGuid,
(void**)&fs
);
Print(L"Status after HandleProtocol: %r\n", efiStatus);
Print(L"Volume %d found\n", index);
Print(L"fs pointer: %p\n", fs);
EFI_FILE_PROTOCOL* root = NULL;
efiStatus = fs->OpenVolume(fs, &root);
Print(L"Status after open volume: %r\n", efiStatus);
EFI_GUID fsiGuid = EFI_FILE_SYSTEM_INFO_ID;
UINTN bufSize = 0;
VOID* buffer = NULL;
efiStatus = root->GetInfo(
root,
&fsiGuid,
&bufSize,
&buffer);
Print(L"Status: %r\n", efiStatus);
Print(L"Required buffer size: %d\n", bufSize );
efiStatus = bs->AllocatePool(EfiLoaderData, (UINTN) (bufSize) , (void **)&buffer);
efiStatus = root->GetInfo(
root,
&fsiGuid,
&bufSize,
&buffer);
Print(L"Status: %r\n", efiStatus);
EFI_FILE_SYSTEM_INFO* fhgf = buffer;
Print(L"buffer pointer %p\n", buffer);
Print(L"fhgf pointer %p\n", fhgf);
Print(L"VolumeLabel: %s\n", fhgf->VolumeLabel);
Print(L"Size: %d\n", fhgf->Size);
Print(L"ReadOnly: %d\n", fhgf->ReadOnly);
Print(L"VolumeSize: %d\n", fhgf->VolumeSize);
Print(L"FreeSpace: %d\n", fhgf->FreeSpace);
Print(L"BlockSize: %d\n", fhgf->BlockSize);
Print(L"Number of handle found %d\n", (index + 1));
efiStatus = bs->FreePool((void **)&buffer);
Print(L"efiStatus after FreePool: %r\n", efiStatus);
}*/
/*
...
EFI_FILE_PROTOCOL* token = NULL;
efiStatus = root->Open(
root,
&token,
L"myfolder\\token.bin",
EFI_FILE_MODE_READ,
EFI_FILE_READ_ONLY | EFI_FILE_HIDDEN | EFI_FILE_SYSTEM);*/
/*
EFI_FILE_OPEN Open;
EFI_FILE_CLOSE Close;
EFI_FILE_DELETE Delete;
EFI_FILE_READ Read;
EFI_FILE_WRITE Write;
EFI_FILE_GET_POSITION GetPosition;
EFI_FILE_SET_POSITION SetPosition;
EFI_FILE_GET_INFO GetInfo;
EFI_FILE_SET_INFO SetInfo;
EFI_FILE_FLUSH Flush;*/
return EFI_SUCCESS;
}
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