NetBSD/sys/arch/sun3/sun3/control.h
1998-02-05 04:56:24 +00:00

89 lines
3.2 KiB
C

/* $NetBSD: control.h,v 1.19 1998/02/05 04:57:30 gwr 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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 __P((vm_offset_t));
void set_control_byte __P((vm_offset_t, int));
u_int get_control_word __P((vm_offset_t));
void set_control_word __P((vm_offset_t, u_int));
/* control.c */
int get_context __P((void));
void set_context __P((int));
int get_segmap __P((vm_offset_t));
void set_segmap __P((vm_offset_t, int));
void set_segmap_allctx __P((vm_offset_t, int));
#if 0
/* Moved to pte.h (now a common interface). */
int get_pte __P((vm_offset_t));
void set_pte __P((vm_offset_t, int));
#endif
#endif /* _KERNEL | _STANDALONE */