/* * Copyright (C) 2001-2003 Hewlett-Packard Co. * Contributed by Stephane Eranian * * This file is part of the ELILO, the EFI Linux boot loader. * * ELILO is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * ELILO is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with ELILO; see the file COPYING. If not, write to the Free * Software Foundation, 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * Please check out the elilo.txt for complete documentation on how * to use this program. */ #include #include #include "elilo.h" #include "loader.h" #include "gzip.h" #define LD_NAME L"gzip_ia64" static INTN gzip_probe_format(CHAR16 *kname) { UINT8 buf[4]; EFI_STATUS status; INTN ret = -1; UINTN size; fops_fd_t fd; status = fops_open(kname, &fd); if (EFI_ERROR(status)) return -1; size = sizeof(buf); status = fops_read(fd, buf, &size); if (EFI_ERROR(status) || size != sizeof(buf)) goto error; ret = gzip_probe(buf, sizeof(buf)); error: fops_close(fd); return ret; } static INTN gzip_load_kernel(CHAR16 *kname, kdesc_t *kd) { EFI_STATUS status; INT32 ret; fops_fd_t fd; status = fops_open(kname, &fd); if (EFI_ERROR(status)) return ELILO_LOAD_ERROR; ret = gunzip_kernel(fd, kd); fops_close(fd); return ret; /* could be success, error, or abort */ } loader_ops_t gzip_loader={ NULL, LD_NAME, gzip_probe_format, gzip_load_kernel };