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Diffstat (limited to 'apps/nshlib/nsh_romfsetc.c')
-rw-r--r-- | apps/nshlib/nsh_romfsetc.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/apps/nshlib/nsh_romfsetc.c b/apps/nshlib/nsh_romfsetc.c new file mode 100644 index 000000000..ec8300de4 --- /dev/null +++ b/apps/nshlib/nsh_romfsetc.c @@ -0,0 +1,124 @@ +/**************************************************************************** + * apps/nshlib/nsh_romfsetc.c + * + * Copyright (C) 2008-2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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/ramdisk.h> + +#include "nsh.h" + +#ifdef CONFIG_EXAMPLES_NSH_ROMFSETC + +/* Should we use the default ROMFS image? Or a custom, board-specific + * ROMFS image? + */ + +#ifdef CONFIG_EXAMPLES_NSH_ARCHROMFS +# include <arch/board/nsh_romfsimg.h> +#else +# 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_EXAMPLES_NSH_ROMFSDEVNO, romfs_img, + NSECTORS(romfs_img_len), CONFIG_EXAMPLES_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_EXAMPLES_NSH_ROMFSMOUNTPT, MOUNT_DEVNAME); + + ret = mount(MOUNT_DEVNAME, CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT, "romfs", MS_RDONLY, NULL); + if (ret < 0) + { + dbg("nsh: mount(%s,%s,romfs) failed: %s\n", + MOUNT_DEVNAME, CONFIG_EXAMPLES_NSH_ROMFSMOUNTPT, errno); + return ERROR; + } + return OK; +} + +#endif /* CONFIG_EXAMPLES_NSH_ROMFSETC */ + |