1 /* $OpenBSD: cpu.h,v 1.14 2013/10/09 17:43:50 mpi Exp $ */ 2 /* $NetBSD: cpu.h,v 1.1 1996/09/30 16:34:21 ws Exp $ */ 3 4 /* 5 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 6 * Copyright (C) 1995, 1996 TooLs GmbH. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by TooLs GmbH. 20 * 4. The name of TooLs GmbH may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 28 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 29 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 30 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 31 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 32 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _MACHINE_CPU_H_ 35 #define _MACHINE_CPU_H_ 36 37 /* 38 * CTL_MACHDEP definitions. 39 */ 40 #define CPU_ALLOWAPERTURE 1 /* allow mmap of /dev/xf86 */ 41 #define CPU_ALTIVEC 2 /* altivec is present */ 42 #define CPU_MAXID 3 /* number of valid machdep ids */ 43 44 #define CTL_MACHDEP_NAMES { \ 45 { 0, 0 }, \ 46 { "allowaperture", CTLTYPE_INT }, \ 47 { "altivec", CTLTYPE_INT }, \ 48 } 49 50 #ifdef _KERNEL 51 52 #include <powerpc/cpu.h> 53 54 /* Frequency scaling */ 55 #define FREQ_FULL 0 56 #define FREQ_HALF 1 57 #define FREQ_QUARTER 2 /* Supported only on IBM 970MP */ 58 59 extern u_int32_t ppc_curfreq; 60 extern u_int32_t ppc_maxfreq; 61 extern int ppc_altivec; 62 63 extern void (*ppc64_slew_voltage)(u_int); 64 65 extern u_int32_t ticks_per_sec; 66 extern u_int32_t ns_per_tick; 67 68 #endif /* _KERNEL */ 69 #endif /* _MACHINE_CPU_H_ */ 70