/projects/cubeos/src_current/kernel/ptimer.h Source File

00001 /*  src/kernel/ptimer.h
00002     CubeOS Version 0.4.90
00003     Copyright (C) 1999,2000 Holger Kenn
00004 
00005     CubeOS is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or any later version.
00009 
00010     CubeOS is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015 */  
00016 #ifndef PTIMER_H
00017 #define PTIMER_H
00018 
00023 #include <cubeos.h>
00024 
00025 #define PTIMER_VECTOR 64 
00026 
00027 //#define PTIMER_IRQ_LEVEL 4
00028 #define PTIMER_IRQ_LEVEL 6 
00029 
00030 #define XTAL_FREQ 32768 
00031 
00032 #define PTIMER_PITR_VAL 0x0008  
00033 #define TICKS_PER_SECOND 1024   
00034 //#define QUANTUM TICKS_PER_SECOND/8 
00035 #define QUANTUM TICKS_PER_SECOND/128 
00036 //#define QUANTUM 1024 /* for scheduler debugging, once a second */
00037 //#define PTIMER_PITR_VAL 0x0110 /* 1Sec */
00038 //#define TICKS_PER_SECOND 1
00039 //#define QUANTUM TICKS_PER_SECOND
00040 //#define PTIMER_PITR_VAL 0x0101        /* 62.5 mSec */
00041 //#define TICKS_PER_SECOND 16
00042 //#define QUANTUM TICKS_PER_SECOND
00043 
00044 int KERN_ptint(void);
00045 void KERN_init_ptimer(void);
00046 //unsigned long _gettimeofday();
00047 //unsigned long _settimeofday(unsigned long val);
00048 int KERN_installdispatcher(void (*dispatcher) ());
00049 int KERN_removedispatcher();
00050 
00051 #endif