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cpufeat.h revision 1.3 
      1 /* $NetBSD: cpufeat.h,v 1.3 2008/02/23 19:23:37 matt Exp $ */
      2 /*-
      3  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      4  * All rights reserved.
      5  *
      6  * This code is derived from software contributed to The NetBSD Foundation
      7  * by Tim Rightnour
      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 the NetBSD
     20  *        Foundation, Inc. and its contributors.
     21  * 4. Neither the name of The NetBSD Foundation nor the names of its
     22  *    contributors may be used to endorse or promote products derived
     23  *    from this software without specific prior written permission.
     24  *
     25  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     26  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     35  * POSSIBILITY OF SUCH DAMAGE.
     36  */
     37 
     38 #ifndef _POWERPC_OEA_OEAFEAT_H_
     39 
     40 /* Cpu features for OEA Cpus.
     41  * These are only features that affect early bootstrap, and decisions
     42  * that need to be made very early on, like what pmap to use, if bats are
     43  * available, etc etc.  More can be added later. Some are not yet utilized.
     44  */
     45 
     46 /* 0 means, 32bit, has bats, not a 601, ie, the default 604 case */
     47 
     48 #define OEACPU_64		(1 << 0)
     49 #define OEACPU_64_BRIDGE	(1 << 1)
     50 #define OEACPU_NOBAT		(1 << 2)
     51 #define OEACPU_HIGHBAT		(1 << 3)
     52 #define OEACPU_601		(1 << 4)
     53 #define OEACPU_HIGHSPRG		(1 << 5)
     54 #define OEACPU_ALTIVEC		(1 << 6)
     55 #define OEACPU_XBSEN		(1 << 7)	/* BATS > 256MB */
     56 
     57 #ifdef _KERNEL
     58 void cpu_model_init(void);
     59 extern unsigned long oeacpufeat;
     60 #endif
     61 
     62 #endif /* _POWERPC_OEA_OEAFEAT_H_ */
     63