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      1 /*	$NetBSD: control.h,v 1.23 2008/04/28 20:23:38 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Adam Glass.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * defines for sun3 control space
     34  */
     35 
     36 #define IDPROM_BASE 0x00000000
     37 #define PGMAP_BASE  0x10000000
     38 #define SEGMAP_BASE 0x20000000
     39 #define CONTEXT_REG 0x30000000
     40 #define SYSTEM_ENAB 0x40000000
     41 #define UDVMA_ENAB  0x50000000
     42 #define BUSERR_REG  0x60000000
     43 #define DIAG_REG    0x70000000
     44 
     45 #define CONTROL_ADDR_MASK 0x0FFFFFFC
     46 #define CONTROL_ADDR_BUILD(as, va) \
     47 ((as) | ((va) & CONTROL_ADDR_MASK))
     48 
     49 #define VAC_CACHE_TAGS    0x80000000
     50 #define VAC_CACHE_DATA    0x90000000
     51 #define VAC_FLUSH_BASE    0xA0000000
     52 #define VAC_FLUSH_CONTEXT 0x1
     53 #define VAC_FLUSH_PAGE    0x2
     54 #define VAC_FLUSH_SEGMENT 0x3
     55 
     56 #define CONTEXT_NUM 0x8
     57 #define CONTEXT_MASK 0x7
     58 
     59 #if defined(_KERNEL) || defined(_STANDALONE)
     60 
     61 /* ctrlsp.S */
     62 int   get_control_byte(vaddr_t);
     63 void  set_control_byte(vaddr_t, int);
     64 u_int get_control_word(vaddr_t);
     65 void  set_control_word(vaddr_t, u_int);
     66 
     67 /* control.c */
     68 int  get_context(void);
     69 void set_context(int);
     70 
     71 int  get_segmap(vaddr_t);
     72 void set_segmap(vaddr_t, int);
     73 void set_segmap_allctx(vaddr_t, int);
     74 
     75 #endif	/* _KERNEL | _STANDALONE */
     76