rtems_config.c File Reference

#include <rtems.h>
#include <bsp.h>
#include <rtems/confdefs.h>

Include dependency graph for rtems_config.c:

Go to the source code of this file.

Macros
#define	CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define	CONFIGURE_EXECUTIVE_RAM_SIZE   (2000*1024)
#define	CONFIGURE_MAXIMUM_TASKS   rtems_resource_unlimited(30)
#define	CONFIGURE_MAXIMUM_BARRIERS   rtems_resource_unlimited(30)
#define	CONFIGURE_MAXIMUM_SEMAPHORES   rtems_resource_unlimited(500)
#define	CONFIGURE_MAXIMUM_TIMERS   rtems_resource_unlimited(20)
#define	CONFIGURE_MAXIMUM_MESSAGE_QUEUES   rtems_resource_unlimited(5)
#define	CONFIGURE_MAXIMUM_USER_EXTENSIONS   1
#define	CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS   150
#define	CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM
#define	CONFIGURE_MAXIMUM_DRIVERS   8
#define	CONFIGURE_MICROSECONDS_PER_TICK   20000
#define	CONFIGURE_INIT_TASK_PRIORITY   80
#define	CONFIGURE_MALLOC_STATISTICS   1
#define	CONFIGURE_INIT
#define	CONFIGURE_INIT_TASK_INITIAL_MODES
#define	CONFIGURE_INIT_TASK_ATTRIBUTES   (RTEMS_FLOATING_POINT | RTEMS_LOCAL)
#define	CONFIGURE_INIT_TASK_STACK_SIZE   (16*1024)
#define	CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define	CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define	CONFIGURE_FILESYSTEM_NFS
#define	CONFIGURE_FILESYSTEM_IMFS
#define	CONFIGURE_APPLICATION_NEEDS_RTC_DRIVER

Functions
rtems_task	Init (rtems_task_argument argument)

Macro Definition Documentation

#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER

Definition at line 56 of file rtems_config.c.

#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER

Definition at line 55 of file rtems_config.c.

#define CONFIGURE_APPLICATION_NEEDS_RTC_DRIVER

Definition at line 67 of file rtems_config.c.

#define CONFIGURE_EXECUTIVE_RAM_SIZE   (2000*1024)

Definition at line 26 of file rtems_config.c.

#define CONFIGURE_FILESYSTEM_IMFS

Definition at line 59 of file rtems_config.c.

#define CONFIGURE_FILESYSTEM_NFS

Definition at line 58 of file rtems_config.c.

#define CONFIGURE_INIT

Definition at line 46 of file rtems_config.c.

#define CONFIGURE_INIT_TASK_ATTRIBUTES   (RTEMS_FLOATING_POINT | RTEMS_LOCAL)

Definition at line 51 of file rtems_config.c.

#define CONFIGURE_INIT_TASK_INITIAL_MODES

Value:

(RTEMS_PREEMPT | \
                    RTEMS_NO_TIMESLICE | \
                    RTEMS_NO_ASR | \
                    RTEMS_INTERRUPT_LEVEL(0))

Definition at line 47 of file rtems_config.c.

#define CONFIGURE_INIT_TASK_PRIORITY   80

Definition at line 42 of file rtems_config.c.

#define CONFIGURE_INIT_TASK_STACK_SIZE   (16*1024)

Definition at line 52 of file rtems_config.c.

#define CONFIGURE_LIBIO_MAXIMUM_FILE_DESCRIPTORS   150

Definition at line 36 of file rtems_config.c.

#define CONFIGURE_MALLOC_STATISTICS   1

Definition at line 44 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_BARRIERS   rtems_resource_unlimited(30)

Definition at line 30 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_DRIVERS   8

Definition at line 38 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_MESSAGE_QUEUES   rtems_resource_unlimited(5)

Definition at line 33 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_SEMAPHORES   rtems_resource_unlimited(500)

Definition at line 31 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_TASKS   rtems_resource_unlimited(30)

Definition at line 29 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_TIMERS   rtems_resource_unlimited(20)

Definition at line 32 of file rtems_config.c.

#define CONFIGURE_MAXIMUM_USER_EXTENSIONS   1

Definition at line 34 of file rtems_config.c.

#define CONFIGURE_MICROSECONDS_PER_TICK   20000

Definition at line 40 of file rtems_config.c.

#define CONFIGURE_RTEMS_INIT_TASKS_TABLE

Definition at line 21 of file rtems_config.c.

#define CONFIGURE_USE_IMFS_AS_BASE_FILESYSTEM

Definition at line 37 of file rtems_config.c.

Function Documentation

rtems_task Init

(

rtems_task_argument

argument

)

Definition at line 565 of file rtems_init.c.

{
    int                 result;
    char               *argv[3]         = { NULL, NULL, NULL };
    char               *cp;
    rtems_task_priority newpri;
    rtems_status_code   sc;
    rtems_time_of_day   now;

    /*
     * Explain why we're here
     */
    logReset();

    /*
     * Architecture-specific hooks
     */
    if (epicsRtemsInitPreSetBootConfigFromNVRAM(&rtems_bsdnet_config) != 0)
        delayedPanic("epicsRtemsInitPreSetBootConfigFromNVRAM");
    if (rtems_bsdnet_config.bootp == NULL) {
        extern void setBootConfigFromNVRAM(void);
        setBootConfigFromNVRAM();
    }
    if (epicsRtemsInitPostSetBootConfigFromNVRAM(&rtems_bsdnet_config) != 0)
        delayedPanic("epicsRtemsInitPostSetBootConfigFromNVRAM");

    /*
     * Override RTEMS configuration
     */
    rtems_task_set_priority (
                     RTEMS_SELF,
                     epicsThreadGetOssPriorityValue(epicsThreadPriorityIocsh),
                     &newpri);

    /*
     * Create a reasonable environment
     */
    initConsole ();
    putenv ("TERM=xterm");
    putenv ("IOCSH_HISTSIZE=20");

    /*
     * Display some OS information
     */
    printf("\n***** RTEMS Version: %s *****\n",
        rtems_get_version_string());

    /*
     * Start network
     */
    if ((cp = getenv("EPICS_TS_NTP_INET")) != NULL)
        rtems_bsdnet_config.ntp_server[0] = cp;
    if (rtems_bsdnet_config.network_task_priority == 0)
    {
        unsigned int p;
        if (epicsThreadHighestPriorityLevelBelow(epicsThreadPriorityScanLow, &p)
                                            == epicsThreadBooleanStatusSuccess)
        {
            rtems_bsdnet_config.network_task_priority = epicsThreadGetOssPriorityValue(p);
        }
    }
    printf("\n***** Initializing network *****\n");
    rtems_bsdnet_initialize_network();
    printf("\n***** Setting up file system *****\n");
    initialize_remote_filesystem(argv, initialize_local_filesystem(argv));
    fixup_hosts();

    /*
     * More environment: iocsh prompt and hostname
     */
    {
        char hostname[1024];
        gethostname(hostname, 1023);
        char *cp = mustMalloc(strlen(hostname)+3, "iocsh prompt");
        sprintf(cp, "%s> ", hostname);
        epicsEnvSet ("IOCSH_PS1", cp);
        epicsEnvSet("IOC_NAME", hostname);
    }

    /*
     * Use BSP-supplied time of day if available otherwise supply default time.
     * It is very likely that other time synchronization facilities in EPICS
     * will soon override this value.
     */
    if (rtems_clock_get(RTEMS_CLOCK_GET_TOD,&now) != RTEMS_SUCCESSFUL) {
        now.year = 2001;
        now.month = 1;
        now.day = 1;
        now.hour = 0;
        now.minute = 0;
        now.second = 0;
        now.ticks = 0;
        if ((sc = rtems_clock_set (&now)) != RTEMS_SUCCESSFUL)
            printf ("***** Can't set time: %s\n", rtems_status_text (sc));
    }
    if (getenv("TZ") == NULL) {
        const char *tzp = envGetConfigParamPtr(&EPICS_TZ);
        if (!tzp || *tzp)
            printf("Warning: No timezone information, times will be displayed in UTC.\n");
        else
            epicsEnvSet("TZ", tzp);
    }
    tzset();
    osdTimeRegister();

    /*
     * Run the EPICS startup script
     */
    printf ("***** Preparing EPICS application *****\n");
    iocshRegisterRTEMS ();
    set_directory (argv[1]);
    epicsEnvSet ("IOC_STARTUP_SCRIPT", argv[1]);
    atexit(exitHandler);
    errlogFlush();
    printf ("***** Starting EPICS application *****\n");
    result = main ((sizeof argv / sizeof argv[0]) - 1, argv);
    printf ("***** IOC application terminating *****\n");
    epicsThreadSleep(1.0);
    epicsExit(result);
}