Subversion Repositories shark

/*
 * Project: S.Ha.R.K.
 *
 * Coordinators:
 *   Giorgio Buttazzo    <giorgio@sssup.it>
 *   Paolo Gai           <pj@gandalf.sssup.it>
 *
 * Authors     :
 *   Giacomo Guidi       <giacomo@gandalf.sssup.it>
 *   (see the web pages for full authors list)
 *
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
 *
 * http://www.sssup.it
 * http://retis.sssup.it
 * http://shark.sssup.it
 */

/*
 * Copyright (C) 2002 Paolo Gai
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "kernel/kern.h"

#include "modules/edf.h"
#include "modules/cbs.h"

#include "pthread.h"
#include "modules/posix.h"

#include "fsf_basic_types.h"
#include "fsf_core.h"
#include "fsf_hierarchical.h"
#include "fsf_spare_capacity.h"

#include "fsf_server.h"

#include "modules/dummy.h"

#include "modules/sem.h"
#include "modules/pi.h"
#include "modules/pc.h"

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

#include "drivers/keyb.h"
#include <stdlib.h>
#include "fsf_server.h"
#include "fsf_basic_types.h"
#include "fsf_core.h"
// --------------------------------------------------
// --------------------------------------------------
// Init Part
// --------------------------------------------------
// --------------------------------------------------

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

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

int grubstar_level;
int posix_level;


//fsf_shared_object_t obj;
//fsf_shared_operation_t op;

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

  EDF_register_level(EDF_ENABLE_ALL);
  posix_level=POSIX_register_level(RRTICK, 1, mb, 32);
  grubstar_level = GRUBSTAR_register_level(5, 0);
  FSF_register_module(posix_level,grubstar_level, (int)(MAX_BANDWIDTH * 0.9));
  dummy_register_level();

  // for the keyboard...
  CBS_register_level(CBS_ENABLE_ALL, 0);

  PI_register_module();
  PC_register_module();

  SEM_register_module();

  PTHREAD_register_module(1, 0, 1);

  return TICK;
}


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

  KEYB_init(NULL);
 
  __call_main__(mb);

  return (void *)0;

}

// --------------------------------------------------
// --------------------------------------------------
// The Test
// --------------------------------------------------
// --------------------------------------------------

pthread_t jposix = -1;
pthread_t j1 = -1;
pthread_t j2 = -1;
fsf_server_id_t server1 = -1;
fsf_server_id_t server2 = -1;
fsf_contract_parameters_t contract;

void *star(void *arg)
{
  struct timespec actual,end;
  int actpersecond,act;
  int cycle,rec;

  act = 0;
  actpersecond = 0;
  cycle = 0;
  rec = 0;
  for (;;) {
   
    cycle++;
    kern_gettime(&actual);
    rec = SERVER_get_last_reclaiming(grubstar_level,exec_shadow);

    if (act == 0) {
      TIMESPEC_ASSIGN(&end,&actual);
      end.tv_sec++;
    }

    if (TIMESPEC_A_LT_B(&actual,&end)) {
      act++;
    } else {
      actpersecond = act;
      act = 0;
    }

    //pthread_mutex_lock(&mux);
      printf_xy(0,exec_shadow,WHITE,"Thread %3d Act_per_Second = %8d cycle = %8d rec = %8d",
                                    exec_shadow,actpersecond,cycle,rec);
    //pthread_mutex_unlock(&mux);

  }

  return NULL;

}

void *periodic_star(void *arg)
{
  struct timespec actual,end;
  int actpersecond,act;
  int cycle,rec;

  act = 0;
  actpersecond = 0;
  cycle = 0;
  rec = 0;
  for (;;) {
   
    cycle++;
    kern_gettime(&actual);
    rec = SERVER_get_last_reclaiming(grubstar_level,exec_shadow);

    if (act == 0) {
      TIMESPEC_ASSIGN(&end,&actual);
      end.tv_sec++;
    }

    if (TIMESPEC_A_LT_B(&actual,&end)) {
      act++;
    } else {
      actpersecond = act;
      act = 0;
    }
   
    //fsf_lock_object(&op);
      printf_xy(0,exec_shadow,RED,"Thread %3d Act_per_Second = %8d cycle = %8d rec = %8d",
                                    exec_shadow,actpersecond,cycle,rec);
    //fsf_unlock_object(&op);    

    task_endcycle();

  }

  return NULL;

}

int keyinc = 5;

void *edftask(void *arg)
{
  long long j;
  while(1) {
    for (j=0; j<10000*keyinc; j++);
    task_endcycle();
  }

  return NULL;
}


void create()
{
  struct timespec period1 = {0,90000000};   //30%
  struct timespec period2 = {0,75000000};  //80%
  struct timespec budget1 = {0,30000000};
  struct timespec budget2 = {0,60000000};

  FSF_start_service_task();

 
  kern_printf("(Start Create)");
 
  fsf_initialize_contract(&contract);

  fsf_set_contract_basic_parameters(&contract,&budget1,&period1,FSF_DEFAULT_WORKLOAD);
  fsf_set_contract_scheduling_policy(&contract, FSF_EDF);
  fsf_set_contract_reclamation_parameters(&contract,&budget2, &period2, FSF_DEFAULT_GRANULARITY, NULL, 1, 0);
  fsf_negotiate_contract(&contract,&server1);

 
  fsf_set_contract_basic_parameters(&contract,&budget1,&period1,FSF_DEFAULT_WORKLOAD);
  fsf_set_contract_scheduling_policy(&contract, FSF_EDF);
  fsf_set_contract_reclamation_parameters(&contract,&budget2, &period2,FSF_DEFAULT_GRANULARITY, NULL, 1, 1);

  fsf_negotiate_contract(&contract,&server2);
 
  kern_printf("(End Create)");
 

}

void renegotiate(void) {  
  struct timespec period2 = {0,75000000};
  struct timespec budget2 = {0,60000000};
  struct timespec budget1 = {0,60000000};
  union sigval sval;
  for (;;) {
    fsf_set_contract_basic_parameters(&contract,&budget2,&period2,FSF_DEFAULT_WORKLOAD);
    fsf_set_contract_reclamation_parameters(&contract,&budget1, &period2,FSF_DEFAULT_GRANULARITY, NULL, 20, 0);

    //fsf_request_contract_renegotiation(&contract,server2, 0, sval);
   
    fsf_renegotiate_contract(&contract, server2);
    budget2.tv_nsec -=60000;

    task_endcycle();
  }

}


int main(int argc, char **argv)
{

  int err;
  HARD_TASK_MODEL ht;
  struct timespec endtimer;

  //fsf_init_shared_object(&obj,1);
 
  //op.op_id=1;
  //op.wcet.tv_sec=0;
  //op.wcet.tv_nsec=100000;
  //fsf_declare_shared_object_operation(&obj, &op);  

  srand(kern_gettime(NULL));
  create();
 
  kern_gettime(&endtimer);
  endtimer.tv_sec += 20;
  kern_event_post(&endtimer, (void (*)(void *))(sys_end), NULL);  

  hard_task_default_model(ht);
  hard_task_def_mit(ht,200000);
  hard_task_def_wcet(ht,5000);
  err = fsf_create_thread(server1,&j1,NULL,periodic_star,NULL,&ht);
  kern_printf("(%d)",err);
  task_activate(j1);
 
  hard_task_default_model(ht);
  hard_task_def_mit(ht,1000000);
  hard_task_def_wcet(ht,50000);
  err = fsf_create_thread(server1,&j1,NULL,renegotiate,NULL,&ht);
  kern_printf("(%d)",err);
  task_activate(j1);
 
  hard_task_default_model(ht);
  hard_task_def_mit(ht,159000);
  hard_task_def_wcet(ht,5000);
  err = fsf_create_thread(server2,&j2,NULL,periodic_star,NULL,&ht);
  kern_printf("(%d)",err);
  task_activate(j2);

  hard_task_default_model(ht);
  hard_task_def_mit(ht,159000);
  hard_task_def_wcet(ht,5000);
  err = fsf_create_thread(server2,&j2,NULL,periodic_star,NULL,&ht);
  kern_printf("(%d)",err);
  task_activate(j2);
 
 return 0;

}