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/****************************************************************************
* 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 <stdio.h>
#include "romfs.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Check configuration. This is not all of the configuration settings that
* are required -- only the more obvious.
*/
#if CONFIG_NFILE_DESCRIPTORS < 1
# error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file"
#endif
#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
****************************************************************************/
#ifdef CONFIG_BUILD_KERNEL
int main(int argc, FAR char *argv[])
#else
int bastest_main(int argc, char *argv[])
#endif
{
/* 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)
{
err("ERROR: romdisk_register failed: %d\n", ret);
return 1;
}
/* Mount the file system */
message("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)
{
err("ERROR: mount(%s,%s,romfs) failed: %s\n",
CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, errno);
return 1;
}
return 0;
}
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