1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2012 Juli Mallett <jmallett@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/12.0/sys/mips/gxemul/mpreg.h 326259 2017-11-27 15:07:26Z pfg $
29 */
30
31 #ifndef _MIPS_GXEMUL_MPREG_H_
32 #define _MIPS_GXEMUL_MPREG_H_
33
34 #define GXEMUL_MP_DEV_BASE 0x11000000
35
36 #define GXEMUL_MP_DEV_WHOAMI 0x0000
37 #define GXEMUL_MP_DEV_NCPUS 0x0010
38 #define GXEMUL_MP_DEV_START 0x0020
39 #define GXEMUL_MP_DEV_STARTADDR 0x0030
40 #define GXEMUL_MP_DEV_STACK 0x0070
41 #define GXEMUL_MP_DEV_RANDOM 0x0080
42 #define GXEMUL_MP_DEV_MEMORY 0x0090
43 #define GXEMUL_MP_DEV_IPI_ONE 0x00a0
44 #define GXEMUL_MP_DEV_IPI_MANY 0x00b0
45 #define GXEMUL_MP_DEV_IPI_READ 0x00c0
46 #define GXEMUL_MP_DEV_CYCLES 0x00d0
47
48 #ifdef _LP64
49 #define GXEMUL_MP_DEV_FUNCTION(f) \
50 (volatile uint64_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_MP_DEV_BASE + (f))
51 #define GXEMUL_MP_DEV_READ(f) \
52 (volatile uint64_t)*GXEMUL_MP_DEV_FUNCTION(f)
53 #else
54 #define GXEMUL_MP_DEV_FUNCTION(f) \
55 (volatile uint32_t *)MIPS_PHYS_TO_DIRECT_UNCACHED(GXEMUL_MP_DEV_BASE + (f))
56 #define GXEMUL_MP_DEV_READ(f) \
57 (volatile uint32_t)*GXEMUL_MP_DEV_FUNCTION(f)
58 #endif
59 #define GXEMUL_MP_DEV_WRITE(f, v) \
60 *GXEMUL_MP_DEV_FUNCTION(f) = (v)
61
62 #define GXEMUL_MP_DEV_IPI_INTERRUPT (6)
63
64 #endif /* !_MIPS_GXEMUL_MPREG_H */
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