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/*
* Copyright (C) 2001-2002 Hewlett-Packard Co.
* Contributed by Stephane Eranian <eranian@hpl.hp.com>
*
* 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 <efi.h>
#include <efilib.h>
#include "elilo.h"
#include "loader.h"
#include "gzip.h"
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
};
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