/* $OpenBSD: cpufunc.h,v 1.5 1998/12/29 21:47:13 mickey Exp $ */ /* * Copyright (c) 1998 Michael Shalayeff * 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 Michael Shalayeff. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. */ /* * (c) Copyright 1988 HEWLETT-PACKARD COMPANY * * To anyone who acknowledges that this file is provided "AS IS" * without any express or implied warranty: * permission to use, copy, modify, and distribute this file * for any purpose is hereby granted without fee, provided that * the above copyright notice and this notice appears in all * copies, and that the name of Hewlett-Packard Company not be * used in advertising or publicity pertaining to distribution * of the software without specific, written prior permission. * Hewlett-Packard Company makes no representations about the * suitability of this software for any purpose. */ /* * Copyright (c) 1990,1994 The University of Utah and * the Computer Systems Laboratory (CSL). All rights reserved. * * THE UNIVERSITY OF UTAH AND CSL PROVIDE THIS SOFTWARE IN ITS "AS IS" * CONDITION, AND DISCLAIM ANY LIABILITY OF ANY KIND FOR ANY DAMAGES * WHATSOEVER RESULTING FROM ITS USE. * * CSL requests users of this software to return to csl-dist@cs.utah.edu any * improvements that they make and grant CSL redistribution rights. * * Utah $Hdr: c_support.s 1.8 94/12/14$ * Author: Bob Wheeler, University of Utah CSL */ #ifndef _MACHINE_CPUFUNC_H_ #define _MACHINE_CPUFUNC_H_ #include #include #define tlbbtop(b) ((b) >> (PGSHIFT - 5)) #define tlbptob(p) ((p) << (PGSHIFT - 5)) #define hptbtop(b) ((b) >> 17) /* Get space register for an address */ static __inline u_int ldsid(vm_offset_t p) { register u_int ret; __asm __volatile("ldsid (%1),%0" : "=r" (ret) : "r" (p)); return ret; } #define mtctl(v,r) __asm __volatile("mtctl %0,%1":: "r" (v), "i" (r)) #define mfctl(r,v) __asm __volatile("mfctl %1,%0": "=r" (v): "i" (r)) #define mtsp(v,r) __asm __volatile("mtsp %0,%1":: "r" (v), "i" (r)) #define mfsp(r,v) __asm __volatile("mfsp %1,%0": "=r" (v): "i" (r)) #define ssm(v,r) __asm __volatile("ssm %1,%0": "=r" (r): "i" (v)) #define rsm(v,r) __asm __volatile("rsm %1,%0": "=r" (r): "i" (v)) /* Move to system mask. Old value of system mask is returned. */ static __inline u_int mtsm(u_int mask) { register u_int ret; __asm __volatile("ssm 0,%0\n\t" "mtsm %1": "=r" (ret) : "r" (mask)); return ret; } #if 0 static __inline void set_psw(u_int psw) { __asm __volatile("mtctl %0, %%cr22\n\t" "mtctl %%r0, %%cr17\n\t" "mtctl %%r0, %%cr17\n\t" "ldil L%%., %0\n\t" "ldo R%%.+24(%0), %0\n\t" "mtctl %0, %%cr18\n\t" "ldo 4(%0), %0\n\t" "mtctl %0, %%cr18\n\t" "rfi\n\tnop\n\tnop" :: "r" (psw)); } #else void set_psw __P((u_int psw)); #endif #define fdce(sp,off) __asm __volatile("fdce 0(%0,%1)":: "i" (sp), "r" (off)) #define fice(sp,off) __asm __volatile("fdce 0(%0,%1)":: "i" (sp), "r" (off)) #define sync_caches() \ __asm __volatile("sync\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop\n\tnop") static __inline void ficache(pa_space_t space, vm_offset_t off, vm_size_t size) { } static __inline void fdcache(pa_space_t space, vm_offset_t off, vm_size_t size) { } static __inline void iitlba(u_int pg, pa_space_t sp, vm_offset_t off) { mtsp(1, sp); __asm volatile("iitlba %0,(%%sr1, %1)":: "r" (pg), "r" (off)); } static __inline void idtlba(u_int pg, pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("idtlba %0,(%%sr1, %1)":: "r" (pg), "r" (off)); } static __inline void iitlbp(u_int prot, pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("iitlbp %0,(%%sr1, %1)":: "r" (prot), "r" (off)); } static __inline void idtlbp(u_int prot, pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("idtlbp %0,(%%sr1, %1)":: "r" (prot), "r" (off)); } static __inline void pitlb(pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("pitlb %%r0(%%sr1, %0)":: "r" (off)); } static __inline void pdtlb(pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("pdtlb %%r0(%%sr1, %0)":: "r" (off)); } static __inline void pitlbe(pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("pitlbe %%r0(%%sr1, %0)":: "r" (off)); } static __inline void pdtlbe(pa_space_t sp, vm_offset_t off) { mtsp(sp, 1); __asm volatile("pdtlbe %%r0(%%sr1, %0)":: "r" (off)); } #ifdef _KERNEL void fcacheall __P((void)); void ptlball __P((void)); int btlb_insert __P((pa_space_t space, vm_offset_t va, vm_offset_t pa, vm_size_t *lenp, u_int prot)); hppa_hpa_t cpu_gethpa __P((int n)); void heartbeat __P((int on)); #endif #endif /* _MACHINE_CPUFUNC_H_ */