/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ * */ #ifndef _PPC_CLOCK_H_ #define _PPC_CLOCK_H_ #include <machine/mach_param.h> #define CLK_SPEED 0.0000012766 /* time to complete a clock (3 MHz) */ #if HZ == 120 # define CLK_INTERVAL 6528 /* clocks to hit CLK_TCK ticks per sec */ #elif HZ == 100 # define CLK_INTERVAL 7833 /* clocks to hit CLK_TCK ticks per sec */ #elif HZ == 60 # define CLK_INTERVAL 13055 /* clocks to hit CLK_TCK ticks per sec */ #else #error "unknown clock speed" #endif /* 6528 for 119.998 Hz. */ /* 7833 for 100.004 Hz */ /* 13055 for 60.002 Hz. */ #define CLK_INTH (CLK_INTERVAL >> 8) #define CLK_INTL (CLK_INTERVAL & 0xff) #define SECDAY ((unsigned)(24*60*60)) #define SECYR ((unsigned)(365*SECDAY + SECDAY/4)) #endif /* _PPC_CLOCK_H_ */