/* $NetBSD: sr_601.h,v 1.6 2021/02/27 01:16:52 thorpej Exp $ */ /*- * Copyright (c) 2002, 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus J. Klein. * * 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. */ #ifndef _POWERPC_OEA_SR_601_H_ #define _POWERPC_OEA_SR_601_H_ /* * I/O Controller Interface Address Translation segment register * format specific to the PowerPC 601, per PowerPC 601 RISC * Microprocessor User's Manual, section 6.10.1. * * This format applies to a segment register only when its T bit is set. */ #define SR601_T 0x80000000 /* Selects this format */ #define SR601_Ks 0x40000000 /* Key-supervisor */ #define SR601_Ku 0x20000000 /* Key-user */ #define SR601_BUID 0x1ff00000 /* Bus unit ID */ #define SR601_BUID_SHFT 20 #define SR601_CSI 0x000ffff0 /* Controller Specific Information */ #define SR601_CSI_SHFT 4 #define SR601_PACKET1 0x0000000f /* Address bits 0:3 of packet 1 cycle */ #define SR601_BUID_MEMFORCED 0x07f /* Translate to memory access, taking PA[0:3] from the PACKET1 field */ #define SR601(key, buid, csi, p1) \ (SR601_T | \ (key) | \ (buid) << SR601_BUID_SHFT | \ (csi) << SR601_CSI_SHFT | (p1)) #define SR601_VALID_P(sr) \ ((sr) & SR601_T) #define SR601_PA_MATCH_P(sr, pa) \ (((sr) & SR601_PACKET1) == ((pa) >> ADDR_SR_SHFT)) #endif /* !_POWERPC_OEA_SR_601_H_ */ |