1 /* $OpenBSD: cpu.h,v 1.10 2011/05/25 07:42:15 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 #include <powerpc/cpu.h> 38 39 /* 40 * CTL_MACHDEP definitions. 41 */ 42 #define CPU_ALLOWAPERTURE 1 /* allow mmap of /dev/xf86 */ 43 #define CPU_ALTIVEC 2 /* altivec is present */ 44 #define CPU_MAXID 3 /* number of valid machdep ids */ 45 46 #define CTL_MACHDEP_NAMES { \ 47 { 0, 0 }, \ 48 { "allowaperture", CTLTYPE_INT }, \ 49 { "altivec", CTLTYPE_INT }, \ 50 } 51 52 /* Frequency scaling */ 53 #define FREQ_FULL 0 54 #define FREQ_HALF 1 55 #define FREQ_QUARTER 2 /* Not supported on IBM 970FX */ 56 57 extern u_int32_t ppc_curfreq; 58 extern u_int32_t ppc_maxfreq; 59 extern int ppc_altivec; 60 61 extern void (*ppc64_slew_voltage)(u_int); 62 63 #endif /* _MACHINE_CPU_H_ */ 64