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author | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
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committer | px4dev <px4@purgatory.org> | 2012-08-04 15:12:36 -0700 |
commit | 8a365179eafdf3aea98e60ab9f5882b200d4c759 (patch) | |
tree | 4f38d6d4cd80bd0b6e22e2bb534c3f117ce44e56 /apps/nshlib/nsh_romfsetc.c | |
download | px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.gz px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.tar.bz2 px4-firmware-8a365179eafdf3aea98e60ab9f5882b200d4c759.zip |
Fresh import of the PX4 firmware sources.
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..4134b45a3 --- /dev/null +++ b/apps/nshlib/nsh_romfsetc.c @@ -0,0 +1,124 @@ +/**************************************************************************** + * 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/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> +#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_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 */ + |