int nsh_main(int argc, char *argv[])
{
int exitval = 0;
int ret;
/* Call all C++ static constructors */
#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
up_cxxinitialize();
#endif
/* Make sure that we are using our symbol take */
#if defined(CONFIG_LIBC_EXECFUNCS) && defined(CONFIG_EXECFUNCS_SYMTAB)
exec_setsymtab(CONFIG_EXECFUNCS_SYMTAB, 0);
#endif
/* Register the BINFS file system */
#if defined(CONFIG_FS_BINFS) && (CONFIG_BUILTIN)
ret = builtin_initialize();
if (ret < 0)
{
fprintf(stderr, "ERROR: builtin_initialize failed: %d\n", ret);
exitval = 1;
}
#endif
/* Initialize the NSH library */
nsh_initialize();
/* If the Telnet console is selected as a front-end, then start the
* Telnet daemon.
*/
#ifdef CONFIG_NSH_TELNET
ret = nsh_telnetstart();
if (ret < 0)
{
/* The daemon is NOT running. Report the the error then fail...
* either with the serial console up or just exiting.
*/
fprintf(stderr, "ERROR: Failed to start TELNET daemon: %d\n", ret);
exitval = 1;
}
#endif
/* If the serial console front end is selected, then run it on this thread */
#ifdef CONFIG_NSH_CONSOLE
ret = nsh_consolemain(0, NULL);
/* nsh_consolemain() should not return. So if we get here, something
* is wrong.
*/
fprintf(stderr, "ERROR: nsh_consolemain() returned: %d\n", ret);
exitval = 1;
#endif
return exitval;
}
int spawn_main(int argc, char *argv[])
{
posix_spawn_file_actions_t file_actions;
posix_spawnattr_t attr;
FAR const char *filepath;
pid_t pid;
int ret;
/* Initialize the memory monitor */
mm_initmonitor();
/* Initialize the ELF binary loader */
message("Initializing the ELF binary loader\n");
ret = elf_initialize();
if (ret < 0)
{
err("ERROR: Initialization of the ELF loader failed: %d\n", ret);
exit(1);
}
mm_update(&g_mmstep, "after elf_initialize");
/* Create a ROM disk for the ROMFS filesystem */
message("Registering romdisk at /dev/ram%d\n", CONFIG_EXAMPLES_ELF_DEVMINOR);
ret = romdisk_register(CONFIG_EXAMPLES_ELF_DEVMINOR, (FAR uint8_t *)romfs_img,
NSECTORS(romfs_img_len), SECTORSIZE);
if (ret < 0)
{
err("ERROR: romdisk_register failed: %d\n", ret);
elf_uninitialize();
exit(1);
}
mm_update(&g_mmstep, "after romdisk_register");
/* Mount the file system */
message("Mounting ROMFS filesystem at target=%s with source=%s\n",
MOUNTPT, CONFIG_EXAMPLES_ELF_DEVPATH);
ret = mount(CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, "romfs", MS_RDONLY, NULL);
if (ret < 0)
{
err("ERROR: mount(%s,%s,romfs) failed: %s\n",
CONFIG_EXAMPLES_ELF_DEVPATH, MOUNTPT, errno);
elf_uninitialize();
}
mm_update(&g_mmstep, "after mount");
/* 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.
*/
#if defined(CONFIG_BINFMT_EXEPATH) && !defined(CONFIG_PATH_INITIAL)
(void)setenv("PATH", MOUNTPT, 1);
#endif
/* Make sure that we are using our symbol take */
exec_setsymtab(exports, nexports);
/*************************************************************************
* Case 1: Simple program with arguments
*************************************************************************/
/* Output a seperated so that we can clearly discriminate the output of
* this program from the others.
*/
testheader(g_hello);
/* Initialize the attributes file actions structure */
ret = posix_spawn_file_actions_init(&file_actions);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_init failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
ret = posix_spawnattr_init(&attr);
if (ret != 0)
{
err("ERROR: posix_spawnattr_init failed: %d\n", ret);
}
posix_spawnattr_dump(&attr);
mm_update(&g_mmstep, "after file_action/attr init");
/* 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_BINFMT_EXEPATH
filepath = g_hello;
#else
snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_hello);
filepath = fullpath;
#endif
/* Execute the program */
mm_update(&g_mmstep, "before posix_spawn");
ret = posix_spawn(&pid, filepath, &file_actions, &attr, NULL, (FAR char * const*)&g_argv);
if (ret != 0)
{
err("ERROR: posix_spawn failed: %d\n", ret);
}
sleep(4);
mm_update(&g_mmstep, "after posix_spawn");
/* Free attibutes and file actions */
ret = posix_spawn_file_actions_destroy(&file_actions);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_destroy failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
ret = posix_spawnattr_destroy(&attr);
if (ret != 0)
{
err("ERROR: posix_spawnattr_destroy failed: %d\n", ret);
}
posix_spawnattr_dump(&attr);
mm_update(&g_mmstep, "after file_action/attr destruction");
/*************************************************************************
* Case 2: Simple program with redirection of stdin to a file input
*************************************************************************/
/* Output a seperated so that we can clearly discriminate the output of
* this program from the others.
*/
testheader(g_redirect);
/* Initialize the attributes file actions structure */
ret = posix_spawn_file_actions_init(&file_actions);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_init failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
ret = posix_spawnattr_init(&attr);
if (ret != 0)
{
err("ERROR: posix_spawnattr_init failed: %d\n", ret);
}
posix_spawnattr_dump(&attr);
mm_update(&g_mmstep, "after file_action/attr init");
/* Set up to close stdin (0) and open testdata.txt as the program input */
ret = posix_spawn_file_actions_addclose(&file_actions, 0);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_addclose failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_data);
ret = posix_spawn_file_actions_addopen(&file_actions, 0, fullpath, O_RDONLY, 0644);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_addopen failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
mm_update(&g_mmstep, "after adding file_actions");
/* 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_BINFMT_EXEPATH
filepath = g_redirect;
#else
snprintf(fullpath, 128, "%s/%s", MOUNTPT, g_redirect);
filepath = fullpath;
#endif
/* Execute the program */
mm_update(&g_mmstep, "before posix_spawn");
ret = posix_spawn(&pid, filepath, &file_actions, &attr, NULL, NULL);
if (ret != 0)
{
err("ERROR: posix_spawn failed: %d\n", ret);
}
sleep(2);
mm_update(&g_mmstep, "after posix_spawn");
/* Free attibutes and file actions */
ret = posix_spawn_file_actions_destroy(&file_actions);
if (ret != 0)
{
err("ERROR: posix_spawn_file_actions_destroy failed: %d\n", ret);
}
posix_spawn_file_actions_dump(&file_actions);
ret = posix_spawnattr_destroy(&attr);
if (ret != 0)
{
err("ERROR: posix_spawnattr_destroy failed: %d\n", ret);
}
posix_spawnattr_dump(&attr);
mm_update(&g_mmstep, "after file_action/attr destruction");
/* Clean-up */
elf_uninitialize();
mm_update(&g_mmstep, "End-of-Test");
return 0;
}
int boardctl(unsigned int cmd, uintptr_t arg)
{
int ret;
switch (cmd)
{
/* CMD: BOARDIOC_INIT
* DESCRIPTION: Perform one-time application initialization.
* ARG: None
* CONFIGURATION: CONFIG_LIB_BOARDCTL
* DEPENDENCIES: Board logic must provide board_app_initialization
*/
case BOARDIOC_INIT:
{
ret = board_app_initialize();
}
break;
#ifdef CONFIG_BOARDCTL_POWEROFF
/* CMD: BOARDIOC_POWEROFF
* DESCRIPTION: Power off the board
* ARG: Integer value providing power off status information
* CONFIGURATION: CONFIG_BOARDCTL_POWEROFF
* DEPENDENCIES: Board logic must provide board_power_off
*/
case BOARDIOC_POWEROFF:
{
ret = board_power_off((int)arg);
}
break;
#endif
#ifdef CONFIG_BOARDCTL_RESET
/* CMD: BOARDIOC_RESET
* DESCRIPTION: Reset the board
* ARG: Integer value providing power off status information
* CONFIGURATION: CONFIG_BOARDCTL_RESET
* DEPENDENCIES: Board logic must provide board_reset
*/
case BOARDIOC_RESET:
{
ret = board_reset((int)arg);
}
break;
#endif
#ifdef CONFIG_BOARDCTL_SYMTAB
/* CMD: BOARDIOC_SYMTAB
* DESCRIPTION: Select a symbol table
* ARG: A pointer to an instance of struct boardioc_symtab_s
* CONFIGURATION: CONFIG_BOARDCTL_SYMTAB
* DEPENDENCIES: None
*/
case BOARDIOC_SYMTAB:
{
FAR const struct boardioc_symtab_s *symdesc =
(FAR const struct boardioc_symtab_s *)arg;
DEBUGASSERT(symdesc != NULL);
exec_setsymtab(symdesc->symtab, symdesc->nsymbols);
ret = OK;
}
break;
#endif
#ifdef CONFIG_BOARDCTL_TSCTEST
/* CMD: BOARDIOC_TSCTEST_SETUP
* DESCRIPTION: Touchscreen controller test configuration
* ARG: Touch controller device minor number
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_TSCTEST
* DEPENDENCIES: Board logic must provide board_tsc_setup()
*/
case BOARDIOC_TSCTEST_SETUP:
{
ret = board_tsc_setup((int)arg);
}
break;
/* CMD: BOARDIOC_TSCTEST_TEARDOWN
* DESCRIPTION: Touchscreen controller test configuration
* ARG: None
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_TSCTEST
* DEPENDENCIES: Board logic must provide board_tsc_teardown()
*/
case BOARDIOC_TSCTEST_TEARDOWN:
{
board_tsc_teardown();
ret = OK;
}
break;
#endif
#ifdef CONFIG_BOARDCTL_ADCTEST
/* CMD: BOARDIOC_ADCTEST_SETUP
* DESCRIPTION: ADC controller test configuration
* ARG: None
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_ADCTEST
* DEPENDENCIES: Board logic must provide board_adc_setup()
*/
case BOARDIOC_ADCTEST_SETUP:
{
ret = board_adc_setup();
}
break;
#endif
#ifdef CONFIG_BOARDCTL_PWMTEST
/* CMD: BOARDIOC_PWMTEST_SETUP
* DESCRIPTION: PWM controller test configuration
* ARG: None
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_PWMTEST
* DEPENDENCIES: Board logic must provide board_pwm_setup()
*/
case BOARDIOC_PWMTEST_SETUP:
{
ret = board_pwm_setup();
}
break;
#endif
#ifdef CONFIG_BOARDCTL_CANINIT
/* CMD: BOARDIOC_CAN_INITIALIZE
* DESCRIPTION: CAN device initialization
* ARG: None
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_CANINIT
* DEPENDENCIES: Board logic must provide board_can_initialize()
*/
case BOARDIOC_CAN_INITIALIZE:
{
ret = board_can_initialize();
}
break;
#endif
#ifdef CONFIG_BOARDCTL_GRAPHICS
/* CMD: BOARDIOC_GRAPHICS_SETUP
* DESCRIPTION: Configure graphics that require special initialization
* procedures
* ARG: A pointer to an instance of struct boardioc_graphics_s
* CONFIGURATION: CONFIG_LIB_BOARDCTL && CONFIG_BOARDCTL_GRAPHICS
* DEPENDENCIES: Board logic must provide board_adc_setup()
*/
case BOARDIOC_GRAPHICS_SETUP:
{
FAR struct boardioc_graphics_s *setup =
( FAR struct boardioc_graphics_s *)arg;
setup->dev = board_graphics_setup(setup->devno);
ret = setup->dev ? OK : -ENODEV;
}
break;
#endif
default:
{
#ifdef CONFIG_BOARDCTL_IOCTL
/* Boards may also select CONFIG_BOARDCTL_IOCTL=y to enable board-
* specific commands. In this case, all commands not recognized
* by boardctl() will be forwarded to the board-provided board_ioctl()
* function.
*/
ret = board_ioctl(cmd, arg);
#else
ret = -ENOTTY;
#endif
}
break;
}
/* Set the errno value on any errors */
if (ret < 0)
{
set_errno(-ret);
return ERROR;
}
return OK;
}
