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