/*	$NetBSD: control.h,v 1.23 2008/04/28 20:23:38 martin Exp $	*/

/*-
 * Copyright (c) 1996 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Adam Glass.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

/*
 * defines for sun3 control space
 */

#define IDPROM_BASE 0x00000000
#define PGMAP_BASE  0x10000000
#define SEGMAP_BASE 0x20000000
#define CONTEXT_REG 0x30000000
#define SYSTEM_ENAB 0x40000000
#define UDVMA_ENAB  0x50000000
#define BUSERR_REG  0x60000000
#define DIAG_REG    0x70000000

#define CONTROL_ADDR_MASK 0x0FFFFFFC
#define CONTROL_ADDR_BUILD(as, va) \
((as) | ((va) & CONTROL_ADDR_MASK))

#define VAC_CACHE_TAGS    0x80000000
#define VAC_CACHE_DATA    0x90000000
#define VAC_FLUSH_BASE    0xA0000000
#define VAC_FLUSH_CONTEXT 0x1
#define VAC_FLUSH_PAGE    0x2
#define VAC_FLUSH_SEGMENT 0x3

#define CONTEXT_NUM 0x8
#define CONTEXT_MASK 0x7

#if defined(_KERNEL) || defined(_STANDALONE)

/* ctrlsp.S */
int   get_control_byte(vaddr_t);
void  set_control_byte(vaddr_t, int);
u_int get_control_word(vaddr_t);
void  set_control_word(vaddr_t, u_int);

/* control.c */
int  get_context(void);
void set_context(int);

int  get_segmap(vaddr_t);
void set_segmap(vaddr_t, int);
void set_segmap_allctx(vaddr_t, int);

#endif	/* _KERNEL | _STANDALONE */