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/****************************************************************************
* examples/nxflat/nxflat_main.c
*
* Copyright (C) 2009, 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 <nuttx/compiler.h>
#include <sys/mount.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/ramdisk.h>
#include <nuttx/binfmt.h>
#include <nuttx/nxflat.h>
#include "tests/romfs.h"
#include "tests/dirlist.h"
#include "tests/symtab.h"
/****************************************************************************
* 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_NXFLAT
# error "You must select CONFIG_NXFLAT 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
#ifdef CONFIG_BINFMT_DISABLE
# error "You must not disable loadable modules via CONFIG_BINFMT_DISABLE in your configuration file"
#endif
/* Describe the ROMFS file system */
#define SECTORSIZE 512
#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
#define ROMFSDEV "/dev/ram0"
#define MOUNTPT "/mnt/romfs"
/* If CONFIG_DEBUG is enabled, use dbg instead of printf so that the
* output will be synchronous with the debug output.
*/
#ifdef CONFIG_CPP_HAVE_VARARGS
# ifdef CONFIG_DEBUG
# define message(format, arg...) dbg(format, ##arg)
# define err(format, arg...) dbg(format, ##arg)
# else
# define message(format, arg...) printf(format, ##arg)
# define err(format, arg...) fprintf(stderr, format, ##arg)
# endif
#else
# ifdef CONFIG_DEBUG
# define message dbg
# define err dbg
# else
# define message printf
# define err printf
# endif
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static const char delimiter[] =
"****************************************************************************";
static char path[128];
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: testheader
****************************************************************************/
static inline void testheader(FAR const char *progname)
{
message("\n%s\n* Executing %s\n%s\n\n", delimiter, progname, delimiter);
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: user_start
****************************************************************************/
int user_start(int argc, char *argv[])
{
struct binary_s bin;
int ret;
int i;
/* Initialize the NXFLAT binary loader */
message("Initializing the NXFLAT binary loader\n");
ret = nxflat_initialize();
if (ret < 0)
{
err("ERROR: Initialization of the NXFLAT loader failed: %d\n", ret);
exit(1);
}
/* Create a ROM disk for the ROMFS filesystem */
message("Registering romdisk\n");
ret = romdisk_register(0, romfs_img, NSECTORS(romfs_img_len), SECTORSIZE);
if (ret < 0)
{
err("ERROR: romdisk_register failed: %d\n", ret);
nxflat_uninitialize();
exit(1);
}
/* Mount the file system */
message("Mounting ROMFS filesystem at target=%s with source=%s\n",
MOUNTPT, ROMFSDEV);
ret = mount(ROMFSDEV, MOUNTPT, "romfs", MS_RDONLY, NULL);
if (ret < 0)
{
err("ERROR: mount(%s,%s,romfs) failed: %s\n",
ROMFSDEV, MOUNTPT, errno);
nxflat_uninitialize();
}
/* Now excercise every progrm in the ROMFS file system */
for (i = 0; dirlist[i]; i++)
{
testheader(dirlist[i]);
memset(&bin, 0, sizeof(struct binary_s));
snprintf(path, 128, "%s/%s", MOUNTPT, dirlist[i]);
bin.filename = path;
bin.exports = exports;
bin.nexports = NEXPORTS;
ret = load_module(&bin);
if (ret < 0)
{
err("ERROR: Failed to load program '%s'\n", dirlist[i]);
exit(1);
}
ret = exec_module(&bin, 50);
if (ret < 0)
{
err("ERROR: Failed to execute program '%s'\n", dirlist[i]);
unload_module(&bin);
}
message("Wait a bit for test completion\n");
sleep(4);
}
message("End-of-Test.. Exit-ing\n");
return 0;
}
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