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/* $OpenBSD: cpufunc.h,v 1.14 2000/02/09 05:10:10 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 <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 u_int ldsid(vaddr_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;
}
static __inline register_t get_psw(void)
{
register u_int ret;
__asm __volatile("break %1, %2\n\tcopy %%ret0, %0" : "=r" (ret)
: "i" (HPPA_BREAK_KERNEL), "i" (HPPA_BREAK_GET_PSW)
: "r28");
return ret;
}
static __inline register_t set_psw(register_t psw)
{
register u_int ret;
__asm __volatile("copy %0, %%arg0\n\tbreak %1, %2\n\tcopy %%ret0, %0"
: "=r" (ret)
: "i" (HPPA_BREAK_KERNEL), "i" (HPPA_BREAK_SET_PSW), "0" (psw)
: "r26", "r28");
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
ficache(pa_space_t sp, vaddr_t va, vsize_t size)
{
extern int icache_stride;
register vaddr_t eva = (va + size + icache_stride-1) & ~(icache_stride-1);
mtsp(sp, 1);
while (va < eva)
__asm __volatile ("fic,m %1(%%sr1, %0)"
: "+r" (va) : "r" (icache_stride));
}
static __inline void
fdcache(pa_space_t sp, vaddr_t va, vsize_t size)
{
extern int dcache_stride;
register vaddr_t eva = (va + size + dcache_stride-1) & ~(dcache_stride-1);
mtsp(sp, 1);
while (va < eva)
__asm __volatile ("fdc,m %1(%%sr1, %0)"
: "+r" (va) : "r" (dcache_stride));
}
static __inline void
pdcache(pa_space_t sp, vaddr_t va, vsize_t size)
{
extern int dcache_stride;
register vaddr_t eva = (va + size + dcache_stride-1) & ~(dcache_stride-1);
mtsp(sp, 1);
while (va < eva)
__asm __volatile ("pdc,m %1(%%sr1, %0)"
: "+r" (va) : "r" (dcache_stride));
}
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
void fcacheall __P((void));
void ptlball __P((void));
int btlb_insert __P((pa_space_t space, vaddr_t va, paddr_t pa,
vsize_t *lenp, u_int prot));
hppa_hpa_t cpu_gethpa __P((int n));
void heartbeat __P((int on));
#endif
#endif /* _MACHINE_CPUFUNC_H_ */
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