/****************************************************************************
* apps/nshlib/nsh_romfsetc.c
*
* Copyright (C) 2008-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/mount.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/fs/ramdisk.h>
#include "nsh.h"
#ifdef CONFIG_NSH_ROMFSETC
/* Should we use the default ROMFS image? Or a custom, board-specific
* ROMFS image?
*/
#ifdef CONFIG_NSH_ARCHROMFS
# include <arch/board/nsh_romfsimg.h>
#elif defined(CONFIG_NSH_CUSTOMROMFS)
# include CONFIG_NSH_CUSTOMROMFS_HEADER
#else /* if defined(CONFIG_NSH_DEFAULTROMFS) */
# include "nsh_romfsimg.h"
#endif
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: nsh_romfsetc
****************************************************************************/
int nsh_romfsetc(void)
{
int ret;
/* Create a ROM disk for the /etc filesystem */
ret = romdisk_register(CONFIG_NSH_ROMFSDEVNO, romfs_img,
NSECTORS(romfs_img_len), CONFIG_NSH_ROMFSSECTSIZE);
if (ret < 0)
{
dbg("nsh: romdisk_register failed: %d\n", -ret);
return ERROR;
}
/* Mount the file system */
vdbg("Mounting ROMFS filesystem at target=%s with source=%s\n",
CONFIG_NSH_ROMFSMOUNTPT, MOUNT_DEVNAME);
ret = mount(MOUNT_DEVNAME, CONFIG_NSH_ROMFSMOUNTPT, "romfs", MS_RDONLY, NULL);
if (ret < 0)
{
dbg("nsh: mount(%s,%s,romfs) failed: %d\n",
MOUNT_DEVNAME, CONFIG_NSH_ROMFSMOUNTPT, errno);
return ERROR;
}
return OK;
}
#endif /* CONFIG_NSH_ROMFSETC */
