122 lines
4.3 KiB
C
122 lines
4.3 KiB
C
/****************************************************************************
|
|
* examples/bastest/bastest_main.c
|
|
*
|
|
* Copyright (C) 2014 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 <stdio.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/drivers/ramdisk.h>
|
|
|
|
#include "romfs.h"
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
/* Check configuration. This is not all of the configuration settings that
|
|
* are required -- only the more obvious.
|
|
*/
|
|
|
|
#ifndef CONFIG_FS_ROMFS
|
|
# error "You must select CONFIG_FS_ROMFS in your configuration file"
|
|
#endif
|
|
|
|
#ifdef CONFIG_DISABLE_MOUNTPOINT
|
|
# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
|
|
#endif
|
|
|
|
/* Describe the ROMFS file system */
|
|
|
|
#define SECTORSIZE 512
|
|
#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
|
|
#define MOUNTPT "/mnt/romfs"
|
|
|
|
#ifndef CONFIG_EXAMPLES_BASTEST_DEVMINOR
|
|
# define CONFIG_EXAMPLES_BASTEST_DEVMINOR 0
|
|
#endif
|
|
|
|
#ifndef CONFIG_EXAMPLES_BASTEST_DEVPATH
|
|
# define CONFIG_EXAMPLES_BASTEST_DEVPATH "/dev/ram0"
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* bastest_main
|
|
****************************************************************************/
|
|
|
|
int main(int argc, FAR char *argv[])
|
|
{
|
|
int ret;
|
|
|
|
/* Create a ROM disk for the ROMFS filesystem */
|
|
|
|
printf("Registering romdisk at /dev/ram%d\n", CONFIG_EXAMPLES_BASTEST_DEVMINOR);
|
|
ret = romdisk_register(CONFIG_EXAMPLES_BASTEST_DEVMINOR, (FAR uint8_t *)romfs_img,
|
|
NSECTORS(romfs_img_len), SECTORSIZE);
|
|
if (ret < 0)
|
|
{
|
|
fprintf(stderr, "ERROR: romdisk_register failed: %d\n", ret);
|
|
return 1;
|
|
}
|
|
|
|
/* Mount the file system */
|
|
|
|
printf("Mounting ROMFS filesystem at target=%s with source=%s\n",
|
|
MOUNTPT, CONFIG_EXAMPLES_BASTEST_DEVPATH);
|
|
|
|
ret = mount(CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, "romfs", MS_RDONLY, NULL);
|
|
if (ret < 0)
|
|
{
|
|
fprintf(stderr, "ERROR: mount(%s,%s,romfs) failed: %s\n",
|
|
CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, errno);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|