/*- * SPDX-License-Identifier: BSD-2-Clause 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 $ */ #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_ */
