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nuttx-apps/examples/nxflat/nxflat_main.c
Tanushree Baindur bff92219cd Check CONFIG_BOARDCTL_ROMDISK is set 
CONFIG_BOARDCTL_ROMDISK must be set to enable boardctl(BOARDIOC_ROMDISK)
    in these 2 files:
    examples/nxflat/nxflat_main.c
    examples/thttpd/thttpd_main.c
2021-05-19 20:42:24 -05:00

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/****************************************************************************
* apps/examples/nxflat/nxflat_main.c
*
* Copyright (C) 2009, 2011, 2017 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 <nuttx/compiler.h>
#include <sys/mount.h>
#include <sys/boardctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <pthread.h>
#include <debug.h>
#include <errno.h>
#include <nuttx/symtab.h>
#include <nuttx/drivers/ramdisk.h>
#include <nuttx/binfmt/binfmt.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Check configuration. This is not all of the configuration settings that
* are required -- only the more obvious.
*/
#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
#ifndef CONFIG_BOARDCTL_ROMDISK
# error "CONFIG_BOARDCTL_ROMDISK should be enabled in the 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_FEATURES is enabled, use info/err instead of printf so
* that the output will be synchronous with the debug output.
*/
#ifdef CONFIG_DEBUG_INFO
# define message _info
#else
# define message printf
#endif
#ifdef CONFIG_DEBUG_ERROR
# define errmsg _err
#else
# define errmsg printf
#endif
/****************************************************************************
* Private Data
****************************************************************************/
static const char delimiter[] =
"**************************************"
"**************************************";
#ifndef CONFIG_LIB_ENVPATH
static char fullpath[128];
#endif
/****************************************************************************
* Symbols from Auto-Generated Code
****************************************************************************/
extern const unsigned char romfs_img[];
extern const unsigned int romfs_img_len;
extern const char *dirlist[];
extern const struct symtab_s g_nxflat_exports[];
extern const int g_nxflat_nexports;
/****************************************************************************
* 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: nxflat_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
FAR char *args[1];
int ret;
int i;
struct boardioc_romdisk_s desc;
/* Create a ROM disk for the ROMFS filesystem */
message("Registering romdisk\n");
desc.minor = 0; /* Minor device number of the ROM disk. */
desc.nsectors = NSECTORS(romfs_img_len); /* The number of sectors in the ROM disk */
desc.sectsize = SECTORSIZE; /* The size of one sector in bytes */
desc.image = (FAR uint8_t *)romfs_img; /* File system image */
ret = boardctl(BOARDIOC_ROMDISK, (uintptr_t)&desc);
if (ret < 0)
{
errmsg("ERROR: romdisk_register failed: %d\n", ret);
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)
{
errmsg("ERROR: mount(%s,%s,romfs) failed: %d\n",
ROMFSDEV, MOUNTPT, errno);
}
#if defined(CONFIG_LIB_ENVPATH) && !defined(CONFIG_PATH_INITIAL)
/* Does the system support the PATH variable? Has the PATH variable
* already been set? If YES and NO, then set the PATH variable to
* the ROMFS mountpoint.
*/
setenv("PATH", MOUNTPT, 1);
#endif
/* Now exercise every progrm in the ROMFS file system */
for (i = 0; dirlist[i]; i++)
{
FAR const char *filename;
/* Output a separated so that we can clearly discrinmate the output of
* this program from the others.
*/
testheader(dirlist[i]);
/* If the binary loader does not support the PATH variable, then
* create the full path to the executable program. Otherwise,
* use the relative path so that the binary loader will have to
* search the PATH variable to find the executable.
*/
#ifdef CONFIG_LIB_ENVPATH
filename = dirlist[i];
#else
snprintf(fullpath, 128, "%s/%s", MOUNTPT, dirlist[i]);
filename = fullpath;
#endif
/* Execute the NXFLAT module
*
* NOTE: The standard posix_spawn() interface would be more correct.
* The non-standard exec() function is used because it provides a
* simple way to pass the symbol table information needed to load the
* program. posix_spawn(), on the other hand, will assume that symbol
* table information is available within the OS.
*/
args[0] = NULL;
ret = exec(filename, args, g_nxflat_exports, g_nxflat_nexports);
if (ret < 0)
{
errmsg("ERROR: exec(%s) failed: %d\n", dirlist[i], errno);
}
else
{
message("Wait a bit for test completion\n");
sleep(4);
}
}
message("End-of-Test.. Exit-ing\n");
return 0;
}
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