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