Exemple #1
0
static int
initialize_local_filesystem(char **argv)
{
    extern char _DownloadLocation[] __attribute__((weak));
    extern char _FlashBase[] __attribute__((weak));
    extern char _FlashSize[]  __attribute__((weak));

    argv[0] = rtems_bsdnet_bootp_boot_file_name;
    if (_FlashSize && (_DownloadLocation || _FlashBase)) {
        extern char _edata[];
        size_t flashIndex = _edata - _DownloadLocation;
        char *header = _FlashBase + flashIndex;

        if (memcmp(header + 257, "ustar  ", 8) == 0) {
            int fd;
            printf ("***** Unpack in-memory file system (IMFS) *****\n");
            if (rtems_tarfs_load("/", (unsigned char *)header, (size_t)_FlashSize - flashIndex) != 0) {
                printf("Can't unpack tar filesystem\n");
                return 0;
            }
            if ((fd = open(rtems_bsdnet_bootp_cmdline, 0)) >= 0) {
                close(fd);
                printf ("***** Found startup script (%s) in IMFS *****\n", rtems_bsdnet_bootp_cmdline);
                argv[1] = rtems_bsdnet_bootp_cmdline;
                return 1;
            }
            printf ("***** Startup script (%s) not in IMFS *****\n", rtems_bsdnet_bootp_cmdline);
        }
    }
    return 0;
}
Exemple #2
0
void test_tarfs_error(void)
{
  int sc;

  puts("Loading tarfs image at non-root - ERROR");
  sc = rtems_tarfs_load("x",(void *)rtems_task_create, 72);
  if (sc != -1) {
    printf ("error: untar failed returned %d\n", sc);
    rtems_test_exit(1);
  }

  puts("Loading tarfs image with miniIMFS as root filesystem - ERROR");
  sc = rtems_tarfs_load("/",(void *)rtems_task_create, 72);
  if (sc != -1) {
    printf ("error: untar failed returned %d\n", sc);
    rtems_test_exit(1);
  }
}
Exemple #3
0
void test_tarfs_load(void)
{
  rtems_status_code sc;

  printf("Loading tarfs image ... ");
  sc = rtems_tarfs_load("/",(void *)TARFILE_START, TARFILE_SIZE);
  if (sc != RTEMS_SUCCESSFUL) {
    printf ("error: untar failed: %s\n", rtems_status_text (sc));
    exit(1);
  }
  printf ("successful\n");

  /******************/
  printf( "========= /home/test_file =========\n" );
  test_cat( "/home/test_file", 0, 0 );
  
  /******************/
  puts("*** Skipping symlink -- NOT CURRENTLY SUPPORTED ***" );
#if 0
  printf( "========= /symlink =========\n" );
  test_cat( "/symlink", 0, 0 );
#endif
}
Exemple #4
0
rtems_task Init(
  rtems_task_argument ignored
)
{
GetLine	*gl       = 0;
char	*symf     = 0, *sysscr=0, *user_script=0, *bufp;
int	argc      = 0;
int	result    = 0;
int	no_net    = 0;
char	*dfltSrv  = 0;
char	*pathspec = 0;
#ifdef NFS_SUPPORT
MntDescRec	bootmnt = { "/boot", 0, 0 };
MntDescRec      homemnt = { "/home", 0, 0 };
#endif
char	*argv[7]={
	"Cexp",	/* program name */
	0,
	0,
	0,
	0
};

  rtems_libio_set_private_env();

#ifdef HAVE_PCIBIOS
#if RTEMS_VERSION_ATLEAST(4,6,99)
  pci_initialize();
#else
  pcib_init();
#endif
#endif

#ifdef STACK_CHECKER_ON
  {
	extern void Stack_check_Initialize();
	Stack_check_Initialize();
  }
#endif

#ifdef HAVE_LIBBSPEXT
  bspExtInit();
#endif

  /* make /tmp directory */
  mkTmpDir();


  printf("Welcome to RTEMS GeSys\n");
  printf("This system $Name: GeSys_2_4 $ was built on %s\n",system_build_date);
  printf("$Id: init.c,v 1.43 2008/03/22 20:36:13 guest Exp $\n");

#ifdef EARLY_CMDLINE_GET
  {
	char *cmdlinetmp;
	EARLY_CMDLINE_GET(&cmdlinetmp);

#ifdef HAVE_LIBNETBOOT
  /* Let libnetboot process the command line string; all
   * special name=value pairs recognized by libnetboot will
   * be removed...
   */
   nvramFixupBsdnetConfig(1, cmdlinetmp);
#endif

	cmdlinePairExtract(cmdlinetmp, putenv, 1);
  }
#endif

#if defined(USE_TECLA)
  /*
   * Install our special line discipline which implements
   * TIOCGWINSZ
   */
  printf("Installing TIOCGWINSZ line discipline: %s.\n",
		 ansiTiocGwinszInstall(7) ? "failed" : "ok");
#endif

  /*
   * Make sure the time-of-day clock is at least initialized.
   * The dummy routine just sets the date to 1/1/2000
   */
  dummy_clock_init();

  cexpInit(cexpExcHandlerInstall);

  printf("To skip initialization, press a key now...");
  fflush(stdout);
  if ( getchar_timeout(fileno(stdin),10) > 0 ) {
	printf("OK; skipping to shell");
	no_net = 1;
	argc   = 1;
  }
  printf("\n");

#ifndef CDROM_IMAGE
#ifndef SKIP_NETINI
#define SKIP_NETINI	getenv("SKIP_NETINI")
#endif
  /* check if we have a real ifconfig (first is loopback) */
  if ( !no_net && (! (SKIP_NETINI) || !BUILTIN_SYMTAB) && rtems_bsdnet_config.ifconfig )
  {
    gesys_network_start();
  }
  else
  {
	fprintf(stderr,"Skipping network initialization - you can do it manually\n");
	fprintf(stderr,"by invoking 'gesys_network_start()' (needs BOOTP/DHCP server)\n");
	argc   = 1;
	no_net = 1;
  }
#endif

#ifndef CDROM_IMAGE
  if ( BOOTPFN ) {
	char *slash,*dot;
	pathspec = malloc(strlen(BOOTPFN) + (BUILTIN_SYMTAB ? strlen(SYSSCRIPT) : strlen(SYMEXT)) + 1);
	strcpy(pathspec, BOOTPFN);
	slash    = strrchr(pathspec,'/');

	if ( BUILTIN_SYMTAB ) {
 		if ( slash )
			strcpy(slash+1,SYSSCRIPT);
		else
			strcpy(pathspec,SYSSCRIPT);
	} else {
		dot      = strrchr(pathspec,'.');
		if (slash>dot)
			dot=0;
		/* substitute suffix */
		if (dot) {
			strcpy(dot,SYMEXT);
		} else {
			strcat(pathspec,SYMEXT);
		}
	}
  }
  {
  char *tarvar;
  void *addr;
  int   len;
  	if ( (tarvar=getenv("TARFS")) && 2 == sscanf(tarvar,"%p:%i",&addr,&len) && len > 0 ) {
		mkdir("/tar",0777);
		rtems_tarfs_load("/tar",addr,len);
  	}
  }
#else
  {
	extern void *gesys_tarfs_image_start;
	extern unsigned long gesys_tarfs_image_size;
	printf("Loading TARFS... %s\n",
		rtems_tarfs_load("/tmp", gesys_tarfs_image_start, gesys_tarfs_image_size) ? "FAILED" : "OK");
	pathspec=strdup(BUILTIN_SYMTAB ? "/tmp/"SYSSCRIPT : "/tmp/rtems.sym");
  }
#endif

  dflt_fname = "rtems.sym";
#ifdef TFTP_SUPPORT
  path_prefix = strdup("/TFTP/BOOTP_HOST/");
#elif defined(NFS_SUPPORT)
  path_prefix = strdup(":/remote/rtems:");
#elif defined(RSH_SUPPORT)
  path_prefix = strdup("~rtems/");
#endif
  getDfltSrv(&dfltSrv);

#ifdef PSIM
  {
  extern int loadTarImg(int verbose, int lun);
  if ( !pathspec ) {
	loadTarImg(1, 0);
	pathspec = strdup("/bin/"SYSSCRIPT);
  } else {
	fprintf(stderr,"PSIM: root tarfs not loaded (pathspec was '%s')\n",pathspec);
  }
  }
#endif


  if ( no_net && ( !pathspec || LOCAL_PATH != pathType(pathspec) ) )
	goto shell_entry;

  /* omit prompting for the symbol file */
  if ( pathspec )
  	goto firstTimeEntry;

  /* no pathspec but a builtin symtab ->
   * skip reading symtab / system script
   */
  if ( BUILTIN_SYMTAB )
	goto bare_entry;


  do {
	chdir("/");
#ifdef NFS_SUPPORT
	if ( releaseMount( &bootmnt ) ) {
		fprintf(stderr,"Unable to unmount /boot NFS - don't know what to do, sorry\n");
		break;
	}
#endif
	freeps(&symf);
	freeps(&user_script);

	if (!gl) {
		assert( gl = new_GetLine(LINE_LENGTH, 10*LINE_LENGTH) );
		/* silence warnings about missing .teclarc */
		gl_configure_getline(gl,0,0,0);
	}

	do {
		printf("Symbol file can be loaded by:\n");
#ifdef NFS_SUPPORT
		printf("   NFS: [<uid>.<gid>@][<host>]:<export_path>:<symfile_path>\n");
#endif
#ifdef TFTP_SUPPORT
		printf("  TFTP: [/TFTP/<host_ip>]<symfile_path>\n");
#endif
#ifdef RSH_SUPPORT
		printf("   RSH: [<host>:]~<user>/<symfile_path>\n");
#endif
#ifdef USE_TECLA
		bufp = gl_get_line(gl, "Enter Symbol File Name: ",
			               pathspec,
                           ( pathspec && *pathspec ) ? strlen(pathspec) : 0 );
#else
		bufp = my_getline(gl, "Enter Symbol File Name: ", LINE_LENGTH);
#endif
	} while (!bufp || !*bufp);
	pathspec = realloc(pathspec, strlen(bufp) + 1);
	strcpy(pathspec, bufp);
	bufp = pathspec + strlen(bufp) - 1;
	while ( bufp >= pathspec && ('\n' == *bufp || '\r' == *bufp) )
		*bufp-- = 0;

firstTimeEntry:


  {
	int fd = -1, ed = -1;
	char *slash;

	getDfltSrv( &dfltSrv );

#ifdef TFTP_SUPPORT
	chdir("/TFTP/BOOTP_HOST/");
#endif

	switch ( pathType(pathspec) ) {
		case LOCAL_PATH:
			fd = open(pathspec,O_RDONLY);
			if ( fd >= 0 )
				symf = strdup(pathspec);
		break;


#ifdef TFTP_SUPPORT
		case TFTP_PATH:
			fd = isTftpPath( &dfltSrv, pathspec, &ed, &symf );
		break;
#endif

#ifdef NFS_SUPPORT
		case NFS_PATH:
    		fd = isNfsPath( &dfltSrv, pathspec, &ed, &symf, &bootmnt );
		break;
#endif

#ifdef RSH_SUPPORT
		case RSH_PATH:
    		fd = rshCopy( &dfltSrv, pathspec, &symf );
		break;
#endif

		default:
			fprintf(stderr,"Unrecognized pathspec; maybe remote FS support is not compiled in ?\n");
		break;
	}

	if ( 0==result && dfltSrv ) {
		/* allow the default server to be overridden by the pathspec
		 * during the first pass (original pathspec from boot)
		 */
		theSrv = strdup(dfltSrv);
	}


	if ( (fd < 0) && !BUILTIN_SYMTAB ) {
		fprintf(stderr,"Unable to open symbol file (%s)\n",
			-11 == fd ? "not a valid pathspec" : strerror(errno));
continue;
	}


	if ( fd >= 0 )
		close(fd);
	if ( ed >= 0 )
		close(ed);

	freeps( &sysscr );
	sysscr = strdup(SYSSCRIPT);

#if defined(RSH_SUPPORT) && !defined(CDROM_IMAGE)
	if ( !ISONTMP(symf) ) {
#endif
		if ( (slash = strrchr(symf,'/')) ) {
			int ch=*(slash+1);
			*(slash+1)=0;
			printf("Change Dir to '%s'",symf);
			if ( chdir(symf) )
				printf(" FAILED: %s",strerror(errno));
			fputc('\n',stdout);
			*(slash+1)=ch;
		}
#if defined(RSH_SUPPORT) && !defined(CDROM_IMAGE)
	} else {
		char *scrspec = malloc( strlen(pathspec) + strlen(SYSSCRIPT) + 1);

		strcpy(scrspec, pathspec);
		if ( (slash = strrchr(scrspec, '/')) )
			strcpy( slash+1, SYSSCRIPT );
		else
			strcpy( scrspec, SYSSCRIPT );

		getDfltSrv( &dfltSrv );

		freeps( &sysscr );
		if ( (fd = rshCopy( &dfltSrv, scrspec, &sysscr )) >= 0 ) {
			close( fd );
		} else {
			freeps( &sysscr );
		}
		freeps(&scrspec);
	}
#endif

bare_entry:
	printf("Trying symfile '%s', system script '%s'\n",
		BUILTIN_SYMTAB ? "BUILTIN" : symf,
		sysscr ? sysscr :"(NONE)");

	argc = 1;
#ifdef DEFAULT_CPU_ARCH_FOR_CEXP
	if ( DEFAULT_CPU_ARCH_FOR_CEXP && *DEFAULT_CPU_ARCH_FOR_CEXP ) {
		argv[argc++] = "-a";
		argv[argc++] = DEFAULT_CPU_ARCH_FOR_CEXP;
	}
#endif
	if ( !BUILTIN_SYMTAB ) {
		argv[argc++] = "-s";
		argv[argc++] = symf;
	}
	if ( sysscr ) {
		argv[argc++] = sysscr;
	}


shell_entry:

	result = argc > 1 ? cexp_main(argc, argv) : 0;

	if ( ISONTMP( symf ) )
		unlink( symf );
	if ( sysscr && ISONTMP( sysscr ) )
		unlink( sysscr );

	freeps(&symf);
	freeps(&sysscr);


	if (!result || CEXP_MAIN_NO_SCRIPT==result) {
		int  rc;

		if (gl) {
			del_GetLine(gl);
			gl = 0;
		}

		freeps(&pathspec);

		/* try a user script */
		if ((user_script=getenv("INIT"))) {

			printf("Trying user script '%s':\n",user_script);

			pathspec = strdup(user_script); user_script = 0;

			getDfltSrv(&dfltSrv);

			switch ( pathType( pathspec ) ) {
#ifdef NFS_SUPPORT
				case NFS_PATH:
					if ( 0 == (rc = isNfsPath( &dfltSrv, pathspec, 0, &user_script, &homemnt ) ) ) {
						/* valid NFS path; try to mount; */
						if ( !bootmnt.uidhost || strcmp( homemnt.uidhost, bootmnt.uidhost ) ||
						     !bootmnt.rpath   || strcmp( homemnt.rpath  , bootmnt.rpath   ) )
							rc = nfsMount(homemnt.uidhost, homemnt.rpath, homemnt.mntpt);
					}
				break;
#endif
				case RSH_PATH:
					fprintf(stderr,"RSH download of user scripts is not supported\n");
					rc = -1;
				break;

#ifdef TFTP_SUPPORT
				case TFTP_PATH:
					rc = isTftpPath( &dfltSrv, pathspec, 0, &user_script );
				break;
#endif

				case LOCAL_PATH:
					/* they might refer to a path on the local FS (already mounted NFS) */
					user_script = pathspec; pathspec = 0;
					rc = 0;
				break;

				default:
					fprintf(stderr,"Invalid path specifier; support for remote FS not compiled in?\n");
					rc = -1;
				break;
			}

			freeps(&pathspec);

			argc = 2;

			if ( rc ) {
				fprintf(stderr,"Unable to determine filesystem for user script\n");
				freeps(&user_script);
				argc = 1;
			} else {
				if ((slash = strrchr(user_script,'/'))) {
					/* chdir to where the user script resides */
					int ch=*(++slash);
					*(slash)=0;
					printf("Change Dir to '%s'\n",user_script);
					chdir(user_script);
					*(slash)=ch;
					argv[1]=slash;
				} else {
					argv[1]=user_script;
				}
			}
			argc=2;
		} else {
			argc=1;
		}
		do {
			result=cexp_main(argc,argv);
			argc=1;
  			freeps(&user_script);
		} while (!result || CEXP_MAIN_NO_SCRIPT==result);
		chdir("/");
#ifdef NFS_SUPPORT
		releaseMount( &homemnt );
#endif
	}
  }

  switch (result) {
		case CEXP_MAIN_NO_SYMS  :
				fprintf(stderr,"CEXP_MAIN_NO_SYMS\n");
				result = 0;
		break;
		case CEXP_MAIN_INVAL_ARG: fprintf(stderr,"CEXP_MAIN_INVAL_ARG\n"); break;
		case CEXP_MAIN_NO_SCRIPT: fprintf(stderr,"CEXP_MAIN_NO_SCRIPT\n"); break;
		case CEXP_MAIN_KILLED   : fprintf(stderr,"CEXP_MAIN_KILLED\n");    break;
		case CEXP_MAIN_NO_MEM   : fprintf(stderr,"CEXP_MAIN_NO_MEM\n");    break;

	default:
		if (result)
			fprintf(stderr,"unknown error\n");
  }

  }  while ( !result ); /* retry asking for a sym-filename */
  if (gl) {
	del_GetLine(gl);
	gl = 0;
  }
  fprintf(stderr,"Unable to execute CEXP - suspending initialization...\n");
  rtems_task_suspend(RTEMS_SELF);
  exit( 1 );
}