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/*
 * Project: S.Ha.R.K
 *
 * Coordinators: Giorgio Buttazzo <giorgio@sssup.it>
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://hartik.sssup.it
 */


#include "kernel/kern.h"
#include "modules/edf.h"
#include "modules/hardcbs.h"
#include "modules/rr.h"
#include "modules/dummy.h"
#include "modules/intdrive.h"

#include "modules/sem.h"
#include "modules/hartport.h"

#include "drivers/shark_linuxc26.h"
#include "drivers/shark_pci26.h"

/*+ sysyem tick in us +*/
#define TICK 0

/*+ RR tick in us +*/
#define RRTICK 10000

/*+ Interrupt Server +*/
#define INTDRIVE_Q 1000
#define INTDRIVE_T 10000
#define INTDRIVE_FLAG 0

PID shutdown_task_PID;

TIME __kernel_register_levels__(void *arg)
{
        struct multiboot_info *mb = (struct multiboot_info *)arg;

        INTDRIVE_register_level(INTDRIVE_Q,INTDRIVE_T,INTDRIVE_FLAG);
        EDF_register_level(EDF_ENABLE_ALL);
        HCBS_register_level(HCBS_ENABLE_ALL, 1);
        RR_register_level(RRTICK, RR_MAIN_YES, mb);
        dummy_register_level();

        SEM_register_module();

        return TICK;
}

int device_drivers_init() {
                                                                                                                             
        LINUXC26_register_module();
                                                                                                                             
        PCI26_init();

        return 0;
                                                                                                                             
}

int device_drivers_close() {

        return 0;

}

TASK shutdown_task_body(void *arg) {

        device_drivers_close();

        sys_shutdown_message("-- S.Ha.R.K. Closed --\n");

        sys_end();

        return NULL;

}

void call_shutdown_task(void *arg) {

        task_activate(shutdown_task_PID);

}

void set_shutdown_task() {

        NRT_TASK_MODEL nrt;

        nrt_task_default_model(nrt);
        nrt_task_def_system(nrt);
        nrt_task_def_nokill(nrt);

        shutdown_task_PID = task_create("Shutdown Task",shutdown_task_body,&nrt,NULL);
        if (shutdown_task_PID == NIL) {
                sys_shutdown_message("Error: Cannot create shutdown task\n");
                sys_end();
        }

}

TASK __init__(void *arg)
{
        struct multiboot_info *mb = (struct multiboot_info *)arg;

        HARTPORT_init();

        set_shutdown_task();

        device_drivers_init();

        sys_atrunlevel(call_shutdown_task, NULL, RUNLEVEL_SHUTDOWN);

        __call_main__(mb);

        return (void *)0;
}