vitals.c

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/*-
 * Copyright (c) 2002-2018 The UbixOS Project.
 * All rights reserved.
 *
 * This was developed by Christopher W. Olsen for the UbixOS Project.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted
 * provided that the following conditions are met:
 *
 * 1) Redistributions of source code must retain the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors.
 * 2) Redistributions in binary form must reproduce the above copyright notice, this list of
 *    conditions, the following disclaimer and the list of authors in the documentation and/or
 *    other materials provided with the distribution.
 * 3) Neither the name of the UbixOS Project nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#include <ubixos/vitals.h>
#include <ubixos/kpanic.h>
#include <lib/kprintf.h>
#include <lib/kmalloc.h>
#include <string.h>
 
vitalsNode *systemVitals = 0x0;
spinLock_t vitals_lock;
 
/************************************************************************
 
 Function: vitals_init();
 Description: This will enable the vitals subsystem for ubixos
 
 Notes:
 
 02/20/2004 - Approved Its Quality
 
 ************************************************************************/
int vitals_init() {
  /* Initialize Vitals SpinLock */
  spinLockInit(&vitals_lock);
 
  /* Initialize Memory For The System Vitals Node */
  systemVitals = (vitalsNode *) kmalloc(sizeof(vitalsNode));
 
  /* If malloc Failed Then Error */
  if (systemVitals == 0x0) {
    kpanic("Error: kmalloc Failed In initVitals\n");
  }
 
  /* Set all default values */
  memset(systemVitals, 0x0, sizeof(vitalsNode));
 
  systemVitals->quantum = 8;
  systemVitals->dQuantum = 8;
 
  /* Print Out Info For Vitals: */
  kprintf("vitals0 - Address: [0x%X]\n", systemVitals);
 
  /* Return so kernel knows that there is no problem */
  return (0x0);
}
 
/***
 END
 ***/