/* $OpenBSD: cpufunc.h,v 1.22 2003/08/20 06:50:30 mickey Exp $ */ /* * Copyright (c) 1998,2000 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 register_t ldsid(vaddr_t p) { register_t 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 mfcpu(r,v) /* XXX for the lack of the mnemonics */ \ __asm __volatile(".word %1\n\t" \ "copy %%r22, %0" \ : "=r" (v) : "i" ((0x14001400 | ((r) << 21) | (22))) \ : "r22") #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 register_t mtsm(register_t mask) { register_t ret; __asm __volatile("ssm 0,%0\n\t" "mtsm %1": "=&r" (ret) : "r" (mask)); return ret; } #define fdce(sp,off) __asm __volatile("fdce 0(%0,%1)":: "i" (sp), "r" (off)) #define fice(sp,off) __asm __volatile("fice 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 iitlba(u_int pg, pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("iitlba %0,(%%sr1, %1)":: "r" (pg), "r" (va)); } static __inline void idtlba(u_int pg, pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("idtlba %0,(%%sr1, %1)":: "r" (pg), "r" (va)); } static __inline void iitlbp(u_int prot, pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("iitlbp %0,(%%sr1, %1)":: "r" (prot), "r" (va)); } static __inline void idtlbp(u_int prot, pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("idtlbp %0,(%%sr1, %1)":: "r" (prot), "r" (va)); } static __inline void pitlb(pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("pitlb %%r0(%%sr1, %0)":: "r" (va)); } static __inline void pdtlb(pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("pdtlb %%r0(%%sr1, %0)":: "r" (va)); } static __inline void pitlbe(pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("pitlbe %%r0(%%sr1, %0)":: "r" (va)); } static __inline void pdtlbe(pa_space_t sp, vaddr_t va) { mtsp(sp, 1); __asm volatile("pdtlbe %%r0(%%sr1, %0)":: "r" (va)); } #ifdef USELEDS #define PALED_NETSND 0x01 #define PALED_NETRCV 0x02 #define PALED_DISK 0x04 #define PALED_HEARTBEAT 0x08 #define PALED_LOADMASK 0xf0 #define PALED_DATA 0x01 #define PALED_STROBE 0x02 extern volatile u_int8_t *machine_ledaddr; extern int machine_ledword, machine_leds; static __inline void ledctl(int on, int off, int toggle) { if (machine_ledaddr) { int r; if (on) machine_leds |= on; if (off) machine_leds &= ~off; if (toggle) machine_leds ^= toggle; r = ~machine_leds; /* it seems they should be reversed */ if (machine_ledword) *machine_ledaddr = r; else { register int b; for (b = 0x80; b; b >>= 1) { *machine_ledaddr = (r & b)? PALED_DATA : 0; DELAY(1); *machine_ledaddr = ((r & b)? PALED_DATA : 0) | PALED_STROBE; } } } } #endif #ifdef _KERNEL extern int (*cpu_hpt_init)(vaddr_t hpt, vsize_t hptsize); void fpu_save(vaddr_t va); void ficache(pa_space_t sp, vaddr_t va, vsize_t size); void fdcache(pa_space_t sp, vaddr_t va, vsize_t size); void pdcache(pa_space_t sp, vaddr_t va, vsize_t size); void fcacheall(void); void ptlball(void); int btlb_insert(pa_space_t space, vaddr_t va, paddr_t pa, vsize_t *lenp, u_int prot); hppa_hpa_t cpu_gethpa(int n); #endif #endif /* _MACHINE_CPUFUNC_H_ */