upa.h revision 93684 
1/*-
2 * Copyright (c) 2001 by Thomas Moestl <tmm@FreeBSD.org>.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
23 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD: head/sys/sparc64/include/upa.h 93684 2002-04-02 17:38:52Z tmm $
26 */
27
28#ifndef _MACHINE_UPA_H_
29#define _MACHINE_UPA_H_
30
31#define	UPA_MEMSTART	0x1c000000000UL
32#define	UPA_MEMEND	0x1ffffffffffUL
33
34#define	UPA_CR_MID_SHIFT	(17)
35#define	UPA_CR_MID_SIZE		(5)
36#define	UPA_CR_MID_MASK \
37	(((1 << UPA_CR_MID_SIZE) - 1) << UPA_CR_MID_SHIFT)
38
39#define	UPA_CR_GET_MID(cr)	((cr & UPA_CR_MID_MASK) >> UPA_CR_MID_SHIFT)
40
41#ifdef LOCORE
42
43#define	UPA_GET_MID(r1) \
44	ldxa	[%g0] ASI_UPA_CONFIG_REG, r1 ; \
45	srlx	r1, UPA_CR_MID_SHIFT, r1 ; \
46	and	r1, (1 << UPA_CR_MID_SIZE) - 1, r1
47
48#endif
49
50#endif /* _MACHINE_UPA_H_ */
51