139 lines
4.7 KiB
C
139 lines
4.7 KiB
C
/****************************************************************************
|
|
* 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 <sys/boardctl.h>
|
|
#include <debug.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/drivers/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
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_DISABLE_MOUNTPOINT
|
|
# error You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT
|
|
#endif
|
|
|
|
#if defined(CONFIG_NSH_CROMFSETC)
|
|
# ifndef CONFIG_FS_CROMFS
|
|
# error You must select CONFIG_FS_CROMFS in your configuration file
|
|
# endif
|
|
#else
|
|
# ifndef CONFIG_FS_ROMFS
|
|
# error You must select CONFIG_FS_ROMFS in your configuration file
|
|
# endif
|
|
# ifndef CONFIG_BOARDCTL_ROMDISK
|
|
# error You must select CONFIG_BOARDCTL_ROMDISK in your configuration file
|
|
# endif
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: nsh_romfsetc
|
|
****************************************************************************/
|
|
|
|
int nsh_romfsetc(void)
|
|
{
|
|
int ret;
|
|
|
|
#ifndef CONFIG_NSH_CROMFSETC
|
|
struct boardioc_romdisk_s desc;
|
|
|
|
/* Create a ROM disk for the /etc filesystem */
|
|
|
|
desc.minor = CONFIG_NSH_ROMFSDEVNO; /* Minor device number of the RAM disk. */
|
|
desc.nsectors = NSECTORS(romfs_img_len); /* The number of sectors in the RAM disk */
|
|
desc.sectsize = CONFIG_NSH_ROMFSSECTSIZE; /* The size of one sector in bytes */
|
|
desc.image = romfs_img; /* File system image */
|
|
|
|
ret = boardctl(BOARDIOC_ROMDISK, (uintptr_t)&desc);
|
|
if (ret < 0)
|
|
{
|
|
ferr("ERROR: boardctl(BOARDIOC_ROMDISK) failed: %d\n", -ret);
|
|
return ERROR;
|
|
}
|
|
#endif
|
|
|
|
/* Mount the file system */
|
|
|
|
finfo("Mounting ROMFS filesystem at target=%s with source=%s\n",
|
|
CONFIG_NSH_ROMFSMOUNTPT, MOUNT_DEVNAME);
|
|
|
|
#if defined(CONFIG_NSH_CROMFSETC)
|
|
ret = mount(MOUNT_DEVNAME, CONFIG_NSH_ROMFSMOUNTPT, "cromfs", MS_RDONLY,
|
|
NULL);
|
|
#else
|
|
ret = mount(MOUNT_DEVNAME, CONFIG_NSH_ROMFSMOUNTPT, "romfs", MS_RDONLY,
|
|
NULL);
|
|
#endif
|
|
if (ret < 0)
|
|
{
|
|
ferr("ERROR: mount(%s,%s,romfs) failed: %d\n",
|
|
MOUNT_DEVNAME, CONFIG_NSH_ROMFSMOUNTPT, errno);
|
|
return ERROR;
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
#endif /* CONFIG_NSH_ROMFSETC */
|