1 /* $NetBSD: sr_601.h,v 1.6 2021/02/27 01:16:52 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2002, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus J. Klein. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _POWERPC_OEA_SR_601_H_ 33 #define _POWERPC_OEA_SR_601_H_ 34 35 /* 36 * I/O Controller Interface Address Translation segment register 37 * format specific to the PowerPC 601, per PowerPC 601 RISC 38 * Microprocessor User's Manual, section 6.10.1. 39 * 40 * This format applies to a segment register only when its T bit is set. 41 */ 42 43 #define SR601_T 0x80000000 /* Selects this format */ 44 #define SR601_Ks 0x40000000 /* Key-supervisor */ 45 #define SR601_Ku 0x20000000 /* Key-user */ 46 #define SR601_BUID 0x1ff00000 /* Bus unit ID */ 47 #define SR601_BUID_SHFT 20 48 #define SR601_CSI 0x000ffff0 /* Controller Specific Information */ 49 #define SR601_CSI_SHFT 4 50 #define SR601_PACKET1 0x0000000f /* Address bits 0:3 of packet 1 cycle */ 51 52 #define SR601_BUID_MEMFORCED 0x07f /* Translate to memory access, taking 53 PA[0:3] from the PACKET1 field */ 54 55 #define SR601(key, buid, csi, p1) \ 56 (SR601_T | \ 57 (key) | \ 58 (buid) << SR601_BUID_SHFT | \ 59 (csi) << SR601_CSI_SHFT | (p1)) 60 61 #define SR601_VALID_P(sr) \ 62 ((sr) & SR601_T) 63 64 #define SR601_PA_MATCH_P(sr, pa) \ 65 (((sr) & SR601_PACKET1) == ((pa) >> ADDR_SR_SHFT)) 66 67 #endif /* !_POWERPC_OEA_SR_601_H_ */ 68