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/* $OpenBSD: cpufunc.h,v 1.28 2013/03/25 19:59:22 deraadt Exp $ */
/*
* Copyright (c) 1998-2004 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.
*
* 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 OR HIS RELATIVES 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 MIND, 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 <machine/psl.h>
#include <machine/pte.h>
#define tlbbtop(b) ((b) >> (PAGE_SHIFT - 5))
#define tlbptob(p) ((p) << (PAGE_SHIFT - 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":::"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 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 fpu_exit(void);
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 ficacheall(void);
void fdcacheall(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);
void eaio_l2(int i);
#endif
#endif /* _MACHINE_CPUFUNC_H_ */
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