/*
* Print information about disks
*/
static void
efifs_dev_print(int verbose)
{
union {
EFI_FILE_SYSTEM_INFO info;
char buffer[1024];
} fi;
char line[80];
EFI_FILE_IO_INTERFACE *fsif;
EFI_FILE *volume;
EFI_HANDLE h;
EFI_STATUS status;
UINTN sz;
int i, unit;
for (unit = 0, h = efi_find_handle(&efifs_dev, 0);
h != NULL; h = efi_find_handle(&efifs_dev, ++unit)) {
sprintf(line, " %s%d: ", efifs_dev.dv_name, unit);
pager_output(line);
status = BS->HandleProtocol(h, &sfs_guid, (VOID **)&fsif);
if (EFI_ERROR(status))
goto err;
status = fsif->OpenVolume(fsif, &volume);
if (EFI_ERROR(status))
goto err;
sz = sizeof(fi);
status = volume->GetInfo(volume, &fs_guid, &sz, &fi);
volume->Close(volume);
if (EFI_ERROR(status))
goto err;
if (fi.info.ReadOnly)
pager_output("[RO] ");
else
pager_output(" ");
for (i = 0; fi.info.VolumeLabel[i] != 0; i++)
fi.buffer[i] = fi.info.VolumeLabel[i];
fi.buffer[i] = 0;
if (fi.buffer[0] != 0)
pager_output(fi.buffer);
else
pager_output("EFI filesystem");
pager_output("\n");
continue;
err:
sprintf(line, "[--] error %d: unable to obtain information\n",
efi_status_to_errno(status));
pager_output(line);
}
}
static int
efifs_close(struct open_file *f)
{
EFI_FILE *file = f->f_fsdata;
if (file == NULL)
return (EBADF);
file->Close(file);
f->f_fsdata = NULL;
return (0);
}
EFI_STATUS
EFIAPI
EBounceMain (IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable)
{
EFI_STATUS Status;
EFI_CONSOLE_CONTROL_PROTOCOL *ConsoleControl;
EFI_CONSOLE_CONTROL_SCREEN_MODE currentMode;
EFI_LOADED_IMAGE *SelfLoadedImage;
EFI_FILE *RootDir;
EFI_FILE *BootFile;
EFI_DEVICE_PATH *DevicePath;
CHAR16 *DevicePathAsString;
CHAR16 DirName[256];
CHAR16 FileName[256];
UINTN i, FileNameIndex;
EFI_HANDLE LoaderHandle;
InitializeLib(ImageHandle, SystemTable);
// switch to text mode
if (BS->LocateProtocol(&gEfiConsoleControlProtocolGuid, NULL, &ConsoleControl) == EFI_SUCCESS) {
ConsoleControl->GetMode(ConsoleControl, ¤tMode, NULL, NULL);
if (currentMode == EfiConsoleControlScreenGraphics)
ConsoleControl->SetMode(ConsoleControl, EfiConsoleControlScreenText);
}
/// load elilo.efi or e.efi from the same directory
// get loaded image protocol for ourselves
if (BS->HandleProtocol(ImageHandle, &LoadedImageProtocol, (VOID*)&SelfLoadedImage) != EFI_SUCCESS) {
Print(L"Can not retrieve a LoadedImageProtocol handle for ImageHandle\n");
return EFI_NOT_FOUND;
}
// open volume
RootDir = LibOpenRoot(SelfLoadedImage->DeviceHandle);
if (RootDir == NULL) {
Print(L"Can't open volume.\n");
return EFI_NOT_FOUND;
}
// find the current directory
DevicePathAsString = DevicePathToStr(SelfLoadedImage->FilePath);
if (DevicePathAsString != NULL) {
StrCpy(DirName, DevicePathAsString);
FreePool(DevicePathAsString);
for (i = StrLen(DirName) - 1; i > 0 && DirName[i] != '\\'; i--) ;
DirName[i++] = '\\';
DirName[i] = 0;
} else {
StrCpy(DirName, L"\\");
}
for (FileNameIndex = 0; FileNames[FileNameIndex]; FileNameIndex++) {
// build full absolute path name
StrCpy(FileName, DirName);
StrCat(FileName, FileNames[FileNameIndex]);
// check for presence of the file
if (RootDir->Open(RootDir, &BootFile, FileName, EFI_FILE_MODE_READ, 0) != EFI_SUCCESS)
continue;
BootFile->Close(BootFile);
// make a full device path for the image file
DevicePath = FileDevicePath(SelfLoadedImage->DeviceHandle, FileName);
// load the image into memory
Status = BS->LoadImage(FALSE, ImageHandle, DevicePath, NULL, 0, &LoaderHandle);
FreePool(DevicePath);
if (EFI_ERROR(Status)) {
Print(L"Can not load the file %s\n", FileName);
return Status;
}
// start it!
BS->StartImage(LoaderHandle, NULL, NULL);
// just in case we get control back...
break;
}
return EFI_SUCCESS;
}