NetBSD-5.0.2/sys/arch/hppa/include/cpufunc.h
/* $NetBSD: cpufunc.h,v 1.10 2007/10/18 18:55:10 skrll Exp $ */
/* $OpenBSD: cpufunc.h,v 1.17 2000/05/15 17:22:40 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 _HPPA_CPUFUNC_H_
#define _HPPA_CPUFUNC_H_
#include <machine/psl.h>
#include <machine/pte.h>
#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("diag %1\n\t" \
"copy %%r22, %0" \
: "=r" (v) : "i" ((0x1400 | ((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":::"memory")
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 _KERNEL
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);
hppa_hpa_t cpu_gethpa(int);
#define PCXL2_ACCEL_IO_START 0xf4000000
#define PCXL2_ACCEL_IO_END (0xfc000000 - 1)
#define PCXL2_ACCEL_IO_ADDR2MASK(a) (0x8 >> ((((a) >> 25) - 2) & 3))
void eaio_l2(int);
/*
* These flush or purge the data cache for a item whose total
* size is <= the size of a data cache line, however they don't
* check this constraint.
*/
static __inline void
fdcache_small(pa_space_t sp, vaddr_t va, vsize_t size)
{
__asm volatile(
" mtsp %0,%%sr1 \n"
" fdc %%r0(%%sr1, %1) \n"
" fdc %2(%%sr1, %1) \n"
" sync \n"
" syncdma \n"
:
: "r" (sp), "r" (va), "r" (size - 1));
}
static __inline void
pdcache_small(pa_space_t sp, vaddr_t va, vsize_t size)
{
__asm volatile(
" mtsp %0,%%sr1 \n"
" pdc %%r0(%%sr1, %1) \n"
" pdc %2(%%sr1, %1) \n"
" sync \n"
" syncdma \n"
:
: "r" (sp), "r" (va), "r" (size - 1));
}
#endif /* _KERNEL */
#endif /* _HPPA_CPUFUNC_H_ */