1 /* $NetBSD: cpufunc.h,v 1.17 2012/05/21 07:42:51 skrll Exp $ */ 2 3 /* $OpenBSD: cpufunc.h,v 1.17 2000/05/15 17:22:40 mickey Exp $ */ 4 5 /* 6 * Copyright (c) 1998-2004 Michael Shalayeff 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT, 22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 28 * THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 /* 31 * (c) Copyright 1988 HEWLETT-PACKARD COMPANY 32 * 33 * To anyone who acknowledges that this file is provided "AS IS" 34 * without any express or implied warranty: 35 * permission to use, copy, modify, and distribute this file 36 * for any purpose is hereby granted without fee, provided that 37 * the above copyright notice and this notice appears in all 38 * copies, and that the name of Hewlett-Packard Company not be 39 * used in advertising or publicity pertaining to distribution 40 * of the software without specific, written prior permission. 41 * Hewlett-Packard Company makes no representations about the 42 * suitability of this software for any purpose. 43 */ 44 /* 45 * Copyright (c) 1990,1994 The University of Utah and 46 * the Computer Systems Laboratory (CSL). All rights reserved. 47 * 48 * THE UNIVERSITY OF UTAH AND CSL PROVIDE THIS SOFTWARE IN ITS "AS IS" 49 * CONDITION, AND DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES 50 * WHATSOEVER RESULTING FROM ITS USE. 51 * 52 * CSL requests users of this software to return to csl-dist (at) cs.utah.edu any 53 * improvements that they make and grant CSL redistribution rights. 54 * 55 * Utah $Hdr: c_support.s 1.8 94/12/14$ 56 * Author: Bob Wheeler, University of Utah CSL 57 */ 58 59 #ifndef _HPPA_CPUFUNC_H_ 60 #define _HPPA_CPUFUNC_H_ 61 62 #include <machine/psl.h> 63 #include <machine/pte.h> 64 65 #define tlbbtop(b) ((b) >> (PGSHIFT - 5)) 66 #define tlbptob(p) ((p) << (PGSHIFT - 5)) 67 68 #define hptbtop(b) ((b) >> 17) 69 70 /* Get space register for an address */ 71 static __inline register_t 72 ldsid(vaddr_t p) { 73 register_t ret; 74 __asm volatile("ldsid (%1),%0" : "=r" (ret) : "r" (p)); 75 return ret; 76 } 77 78 #define mtctl(v,r) __asm volatile("mtctl %0,%1":: "r" (v), "i" (r)) 79 #define mfctl(r,v) __asm volatile("mfctl %1,%0": "=r" (v): "i" (r)) 80 81 #define mfcpu(r,v) /* XXX for the lack of the mnemonics */ \ 82 __asm volatile("diag %1\n\t" \ 83 "copy %%r22, %0" \ 84 : "=r" (v) : "i" ((0x1400 | ((r) << 21) | (22))) : "r22") 85 86 #define mtsp(v,r) __asm volatile("mtsp %0,%1":: "r" (v), "i" (r)) 87 #define mfsp(r,v) __asm volatile("mfsp %1,%0": "=r" (v): "i" (r)) 88 89 #define ssm(v,r) __asm volatile("ssm %1,%0": "=r" (r): "i" (v)) 90 #define rsm(v,r) __asm volatile("rsm %1,%0": "=r" (r): "i" (v)) 91 92 93 /* Get coherence index for an address */ 94 static __inline register_t 95 lci(pa_space_t sp, vaddr_t va) { 96 register_t ret; 97 98 mtsp((sp), 1); \ 99 __asm volatile("lci 0(%%sr1, %1), %0" : "=r" (ret) : "r" (va)); 100 101 return ret; 102 } 103 104 105 /* Move to system mask. Old value of system mask is returned. */ 106 static __inline register_t mtsm(register_t mask) { 107 register_t ret; 108 __asm volatile( 109 "ssm 0,%0\n\t" 110 "mtsm %1": "=&r" (ret) : "r" (mask)); 111 return ret; 112 } 113 114 #define fdce(sp,off) __asm volatile("fdce 0(%0,%1)":: "i" (sp), "r" (off)) 115 #define fice(sp,off) __asm volatile("fice 0(%0,%1)":: "i" (sp), "r" (off)) 116 #define sync_caches() \ 117 __asm volatile("sync\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop":::"memory") 118 119 static __inline void 120 iitlba(u_int pg, pa_space_t sp, vaddr_t va) 121 { 122 mtsp(sp, 1); 123 __asm volatile("iitlba %0,(%%sr1, %1)":: "r" (pg), "r" (va)); 124 } 125 126 static __inline void 127 idtlba(u_int pg, pa_space_t sp, vaddr_t va) 128 { 129 mtsp(sp, 1); 130 __asm volatile("idtlba %0,(%%sr1, %1)":: "r" (pg), "r" (va)); 131 } 132 133 static __inline void 134 iitlbp(u_int prot, pa_space_t sp, vaddr_t va) 135 { 136 mtsp(sp, 1); 137 __asm volatile("iitlbp %0,(%%sr1, %1)":: "r" (prot), "r" (va)); 138 } 139 140 static __inline void 141 idtlbp(u_int prot, pa_space_t sp, vaddr_t va) 142 { 143 mtsp(sp, 1); 144 __asm volatile("idtlbp %0,(%%sr1, %1)":: "r" (prot), "r" (va)); 145 } 146 147 static __inline void 148 pitlb(pa_space_t sp, vaddr_t va) 149 { 150 mtsp(sp, 1); 151 __asm volatile("pitlb %%r0(%%sr1, %0)":: "r" (va)); 152 } 153 154 static __inline void 155 pdtlb(pa_space_t sp, vaddr_t va) 156 { 157 mtsp(sp, 1); 158 __asm volatile("pdtlb %%r0(%%sr1, %0)":: "r" (va)); 159 } 160 161 static __inline void 162 pitlbe(pa_space_t sp, vaddr_t va) 163 { 164 mtsp(sp, 1); 165 __asm volatile("pitlbe %%r0(%%sr1, %0)":: "r" (va)); 166 } 167 168 static __inline void 169 pdtlbe(pa_space_t sp, vaddr_t va) 170 { 171 mtsp(sp, 1); 172 __asm volatile("pdtlbe %%r0(%%sr1, %0)":: "r" (va)); 173 } 174 175 static __inline void 176 hppa_disable_irq(void) 177 { 178 __asm volatile("rsm %0, %%r0" :: "i" (PSW_I) : "memory"); 179 } 180 181 static __inline void 182 hppa_enable_irq(void) 183 { 184 __asm volatile("ssm %0, %%r0" :: "i" (PSW_I) : "memory"); 185 } 186 187 #ifdef _KERNEL 188 extern int (*cpu_hpt_init)(vaddr_t, vsize_t); 189 190 void ficache(pa_space_t, vaddr_t, vsize_t); 191 void fdcache(pa_space_t, vaddr_t, vsize_t); 192 void pdcache(pa_space_t, vaddr_t, vsize_t); 193 void fcacheall(void); 194 void ptlball(void); 195 196 #define PCXL2_ACCEL_IO_START 0xf4000000 197 #define PCXL2_ACCEL_IO_END (0xfc000000 - 1) 198 #define PCXL2_ACCEL_IO_ADDR2MASK(a) (0x8 >> ((((a) >> 25) - 2) & 3)) 199 void eaio_l2(int); 200 201 #endif /* _KERNEL */ 202 203 #endif /* _HPPA_CPUFUNC_H_ */ 204
Indexes created Sun Sep 21 16:09:51 GMT 2025