Ejemplo n.º 1
0
static int
efifs_readdir(struct open_file *f, struct dirent *d)
{
	EFI_FILE *file = f->f_fsdata;
	union fileinfo fi;
	EFI_STATUS status;
	UINTN sz;
	int i;

	if (file == NULL)
		return (EBADF);

	sz = sizeof(fi);
	status = file->Read(file, &sz, &fi);
	if (EFI_ERROR(status))
		return (efi_status_to_errno(status));
	if (sz == 0)
		return (ENOENT);

	d->d_fileno = 0;
	d->d_reclen = sizeof(*d);
	if (fi.info.Attribute & EFI_FILE_DIRECTORY)
		d->d_type = DT_DIR;
	else
		d->d_type = DT_REG;
	for (i = 0; fi.info.FileName[i] != 0; i++)
		d->d_name[i] = fi.info.FileName[i];
	d->d_name[i] = 0;
	d->d_namlen = i;
	return (0);
}
Ejemplo n.º 2
0
EFI_STATUS readFile(
	IN EFI_FILE *dir,
	IN INT32 index,
	IN EFI_SYSTEM_TABLE *systab,
	IN VOID *buf
)
{
	EFI_STATUS status;
	EFI_FILE *file;
	CHAR16 filename[10]; // Allow up to 9999 stories (Probably going to have to increase buffer size when this engine gets super popular :)
	INT32 index
	tostring(index, filename);
	Status=dir->Open(dir, &file, filename, EFI_FILE_MODE_READ, EFI_FILE_READ_ONLY); // open the file

	EFI_FILE_INFO *fileinfo;
	UINTN infosize = SIZE_OF_EFI_FILE_INFO;
	EFI_GUID info_type = EFI_FILE_INFO_ID;
	status = file->GetInfo(file, &info_type, &infosize, NULL);  // get the info size of file

	systab->BootServices->AllocatePool(AllocateAnyPages, infosize, (VOID **)&fileinfo);
	status=file->GetInfo(file, &info_type, &infosize, fileinfo);  // get info of file

	UINTN filesize = fileinfo->FileSize; // get filesize from info

	systab->BootServices->AllocatePool(AllocateAnyPages, filesize, (VOID **)&buf); // Allocate some room

	status=file->Read(file, &filesize, buf);

	systab->BootServices->FreePool(buf);
	systab->BootServices->FreePool(fileinfo);

	return EFI_SUCCESS;
}
Ejemplo n.º 3
0
static int
efifs_read(struct open_file *f, void *buf, size_t size, size_t *resid)
{
	EFI_FILE *file = f->f_fsdata;
	EFI_STATUS status;
	UINTN sz = size;
	char *bufp;

	if (file == NULL)
		return (EBADF);

	bufp = buf;
	while (size > 0) {
		sz = size;
		if (sz > EFI_BLOCK_SIZE)
			sz = EFI_BLOCK_SIZE;
		status = file->Read(file, &sz, bufp);
		if (EFI_ERROR(status))
			return (efi_status_to_errno(status));
		if (sz == 0)
			break;
		size -= sz;
		bufp += sz;
	}
	if (resid)
		*resid = size;
	return (0);
}