Subversion Repositories shark

#include "kernel/kern.h"

#include "modules/intdrive.h"

#include "modules/rm.h"

#include "modules/cbs.h"

#include "modules/rr.h"

#include "modules/dummy.h"

#include "modules/sem.h"

#include "modules/hartport.h"

#include "hlp.h"

//#include "modules/srp.h"

//#include "modules/pi.h"

//#include "modules/npp.h"

#include <drivers/shark_linuxc26.h>

#include <drivers/shark_pci26.h>

#include <drivers/shark_input26.h>

#include <drivers/shark_keyb26.h>

#include <drivers/shark_fb26.h>

#include "ll/i386/x-dos.h"

#define FRAME_BUFFER_DEVICE 0

/*+ system tick in us +*/

#define TICK 1

/*+ RR tick in us +*/

#define RRTICK 10000

/*+ Interrupt Server +*/

#define INTDRIVE_Q 1000

#define INTDRIVE_T 10000

#define INTDRIVE_FLAG 0

void call_shutdown_task(void *arg);

int device_drivers_init();

int device_drivers_close();

void set_shutdown_task();

TASK shutdown_task_body(void *arg);

PID shutdown_task_PID = -1;

/* This is the buffer used by read_myfile */

char myfilebuf[1000];

/* This is the number of bytes read by read_myfile */

int myfilebuf_length;

void read_myfile()

{

  /* DOS file descriptor */

  DOS_FILE *f;

  /* Error code */

  int err;

  /* open the DOS file for reading  (you can specify only "r" or "w") */

  f = DOS_fopen("hlp.cfg","r");

  /* check for open errors */

  if (!f) {

    /* error!! */

    err = DOS_error();

    /* note that if you call DOS_error() here, it return 0!!! */

    myfilebuf_length = 0;

    return;

  }

  //  cprintf("pre fread\n");

  /* read up to 1000 chars */

  myfilebuf_length = DOS_fread(&myfilebuf,1,1000,f);

  // cprintf("post fread\n");

  /* check for errors */

  err = DOS_error();

  if (err) {

    cprintf("Error %d reading myfile.txt...\n", err);

    myfilebuf_length = 0;

    /* there is not return because I want to close the file! */

  }

  /* Close the file */

  DOS_fclose(f);

  cprintf("Read hlp.cfg...\n");

}

TIME __kernel_register_levels__(void *arg)

{

  struct multiboot_info *mb = (struct multiboot_info *)arg;

  INTDRIVE_register_level(INTDRIVE_Q,INTDRIVE_T,INTDRIVE_FLAG);

  read_myfile();

  //EDF_register_level(EDF_ENABLE_ALL);

  RM_register_level(RM_ENABLE_ALL);

  // HCBS_register_level(HCBS_ENABLE_ALL, 1);

  RR_register_level(RRTICK, RR_MAIN_YES, mb);

  CBS_register_level(CBS_ENABLE_ALL, 1);

  dummy_register_level();

  HLP_register_module();

  //  SRP_register_module();

  //  PI_register_module();

  //  NPP_register_module();

  SEM_register_module();

  return TICK;

}

TASK __init__(void *arg)

{

  struct multiboot_info *mb = (struct multiboot_info *)arg;

  HARTPORT_init();

  /* Create the shutdown task. It will be activated at RUNLEVEL

     SHUTDOWN */

  set_shutdown_task();

  /* Init the drivers */

  device_drivers_init();

  /* Set the shutdown task activation */

  sys_atrunlevel(call_shutdown_task, NULL, RUNLEVEL_SHUTDOWN);

  __call_main__(mb);

  return (void *)0;

}

void set_shutdown_task() {

  /* WARNING: the shutdown task is a background thread. It cannot execute

              if the system is overloaded */

  NRT_TASK_MODEL nrt;

  nrt_task_default_model(nrt);

  nrt_task_def_system(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();

  }

}

int device_drivers_init() {

  int res;

  KEYB_PARMS kparms = BASE_KEYB;

  LINUXC26_register_module();

  PCI26_init();

  INPUT26_init();

  keyb_def_ctrlC(kparms, NULL);

  KEYB26_init(&kparms);

  FB26_init();

  res = FB26_open(FRAME_BUFFER_DEVICE);

  if (res) {

    cprintf("Error: Cannot open graphical mode\n");

    KEYB26_close();

    INPUT26_close();

    sys_end();

  }

  FB26_use_grx(FRAME_BUFFER_DEVICE);

  FB26_setmode(FRAME_BUFFER_DEVICE,"640x480-16");

  return 0;

}

int device_drivers_close() {

  FB26_close(FRAME_BUFFER_DEVICE);

  KEYB26_close();

  INPUT26_close();

  return 0;

}

#define SHUTDOWN_TIMEOUT_SEC 3

void call_shutdown_task(void *arg)

{

  struct timespec t;

  sys_gettime(&t);

  t.tv_sec += SHUTDOWN_TIMEOUT_SEC;

  /* Emergency timeout to exit from RUNLEVEL_SHUTDOWN */

  kern_event_post(&t,(void *)((void *)sys_abort_shutdown),(void *)0);

  task_activate(shutdown_task_PID);

}

TASK shutdown_task_body(void *arg) {

  device_drivers_close();

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

  sys_abort_shutdown(0);

  return NULL;

}