freebsd-dev/sys/powerpc/include/bat.h
Pedro F. Giffuni 71e3c3083b sys/powerpc: further adoption of SPDX licensing ID tags.
Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.
2017-11-27 15:09:59 +00:00

170 lines
6.3 KiB
C

/*-
* SPDX-License-Identifier: BSD-2-Clause-NetBSD AND BSD-4-Clause
*
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*/
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* 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 TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
*
* $NetBSD: bat.h,v 1.2 1999/12/18 01:36:06 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_BAT_H_
#define _MACHINE_BAT_H_
#ifndef LOCORE
struct bat {
u_int32_t batu;
u_int32_t batl;
};
#endif
/* Lower BAT bits (all but PowerPC 601): */
#define BAT_PBS 0xfffe0000 /* physical block start */
#define BAT_W 0x00000040 /* 1 = write-through, 0 = write-back */
#define BAT_I 0x00000020 /* cache inhibit */
#define BAT_M 0x00000010 /* memory coherency enable */
#define BAT_G 0x00000008 /* guarded region */
#define BAT_PP_NONE 0x00000000 /* no access permission */
#define BAT_PP_RO_S 0x00000001 /* read-only (soft) */
#define BAT_PP_RW 0x00000002 /* read/write */
#define BAT_PP_RO 0x00000003 /* read-only */
/* Upper BAT bits (all but PowerPC 601): */
#define BAT_EBS 0xfffe0000 /* effective block start */
#define BAT_BL 0x00001ffc /* block length */
#define BAT_Vs 0x00000002 /* valid in supervisor mode */
#define BAT_Vu 0x00000001 /* valid in user mode */
#define BAT_V (BAT_Vs|BAT_Vu)
/* Block Length encoding (all but PowerPC 601): */
#define BAT_BL_128K 0x00000000
#define BAT_BL_256K 0x00000004
#define BAT_BL_512K 0x0000000c
#define BAT_BL_1M 0x0000001c
#define BAT_BL_2M 0x0000003c
#define BAT_BL_4M 0x0000007c
#define BAT_BL_8M 0x000000fc
#define BAT_BL_16M 0x000001fc
#define BAT_BL_32M 0x000003fc
#define BAT_BL_64M 0x000007fc
#define BAT_BL_128M 0x00000ffc
#define BAT_BL_256M 0x00001ffc
#define BATU(va, len, v) \
(((va) & BAT_EBS) | ((len) & BAT_BL) | ((v) & BAT_V))
#define BATL(pa, wimg, pp) \
(((pa) & BAT_PBS) | (wimg) | (pp))
/* Lower BAT bits (PowerPC 601): */
#define BAT601_PBN 0xfffe0000 /* physical block number */
#define BAT601_V 0x00000040 /* valid */
#define BAT601_BSM 0x0000003f /* block size mask */
/* Upper BAT bits (PowerPC 601): */
#define BAT601_BLPI 0xfffe0000 /* block logical page index */
#define BAT601_W 0x00000040 /* 1 = write-through, 0 = write-back */
#define BAT601_I 0x00000020 /* cache inhibit */
#define BAT601_M 0x00000010 /* memory coherency enable */
#define BAT601_Ks 0x00000008 /* key-supervisor */
#define BAT601_Ku 0x00000004 /* key-user */
/*
* Permission bits on the PowerPC 601 are modified by the appropriate
* Key bit:
*
* Key PP Access
* 0 NONE read/write
* 0 RO_S read/write
* 0 RW read/write
* 0 RO read-only
*
* 1 NONE none
* 1 RO_S read-only
* 1 RW read/write
* 1 RO read-only
*/
#define BAT601_PP_NONE 0x00000000 /* no access permission */
#define BAT601_PP_RO_S 0x00000001 /* read-only (soft) */
#define BAT601_PP_RW 0x00000002 /* read/write */
#define BAT601_PP_RO 0x00000003 /* read-only */
/* Block Size Mask encoding (PowerPC 601): */
#define BAT601_BSM_128K 0x00000000
#define BAT601_BSM_256K 0x00000001
#define BAT601_BSM_512K 0x00000003
#define BAT601_BSM_1M 0x00000007
#define BAT601_BSM_2M 0x0000000f
#define BAT601_BSM_4M 0x0000001f
#define BAT601_BSM_8M 0x0000003f
#define BATU601(va, wim, key, pp) \
(((va) & BAT601_BLPI) | (wim) | (key) | (pp))
#define BATL601(pa, size, v) \
(((pa) & BAT601_PBN) | (v) | (size))
#if defined(_KERNEL) && !defined(LOCORE)
extern struct bat battable[16];
#endif
#endif /* _MACHINE_BAT_H_ */