/**************************************************************************** * apps/examples/nxflat/nxflat_main.c * * Copyright (C) 2009, 2011, 2017 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include /**************************************************************************** * 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; }