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/* $OpenBSD: cpu.h,v 1.24 2006/06/24 14:04:02 miod Exp $ */
/*
* Copyright (c) 1995 Theo de Raadt
*
* 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 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.
*
* Copyright (c) 1988 University of Utah.
* Copyright (c) 1982, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*
* from: Utah $Hdr: cpu.h 1.16 91/03/25$
*
* @(#)cpu.h 8.4 (Berkeley) 1/5/94
*/
#ifndef _MVME68K_CPU_H_
#define _MVME68K_CPU_H_
/*
* Exported definitions unique to mvme68k cpu support.
*/
/*
* Get common m68k CPU definiti÷ns.
*/
#define M68K_MMU_MOTOROLA
#include <m68k/cpu.h>
#ifdef _KERNEL
/*
* Get interrupt glue.
*/
#include <machine/intr.h>
/*
* definitions of cpu-dependent requirements
* referenced in generic code
*/
#define cpu_swapin(p) /* nothing */
#define cpu_wait(p) /* nothing */
#define cpu_swapout(p) /* nothing */
/*
* Arguments to hardclock and gatherstats encapsulate the previous
* machine state in an opaque clockframe. One the m68k, we use
* what the hardware pushes on an interrupt (frame format 0).
*/
struct clockframe {
u_short sr; /* sr at time of interrupt */
u_long pc; /* pc at time of interrupt */
u_short vo; /* vector offset (4-word frame) */
};
#define CLKF_USERMODE(framep) (((framep)->sr & PSL_S) == 0)
#define CLKF_PC(framep) ((framep)->pc)
#if 0
/* We would like to do it this way... */
#define CLKF_INTR(framep) (((framep)->sr & PSL_M) == 0)
#else
/* but until we start using PSL_M, we have to do this instead */
#define CLKF_INTR(framep) (0) /* XXX */
#endif
/*
* Preempt the current process if in interrupt from user mode,
* or after the current trap/syscall if in system mode.
*/
extern int want_resched;
#define need_resched(ci) { want_resched = 1; aston(); }
/*
* Give a profiling tick to the current process when the user profiling
* buffer pages are invalid. On the m68k, request an ast to send us
* through trap, marking the proc as needing a profiling tick.
*/
#define need_proftick(p) { (p)->p_flag |= P_OWEUPC; aston(); }
/*
* Notify the current process (p) that it has a signal pending,
* process as soon as possible.
*/
#define signotify(p) aston()
extern int astpending;
#define aston() (astpending = 1)
/*
* CTL_MACHDEP definitions.
*/
#define CPU_CONSDEV 1 /* dev_t: console terminal device */
#define CPU_MAXID 2 /* number of valid machdep ids */
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "console_device", CTLTYPE_STRUCT }, \
}
extern vaddr_t intiobase, intiolimit;
extern vaddr_t iiomapbase;
extern int iiomapsize;
/* physical memory sections for mvme147 */
#define INTIOBASE_147 (0xfffe0000)
#define INTIOTOP_147 (0xfffe5000)
#define INTIOSIZE_147 ((INTIOTOP_147-INTIOBASE_147)/NBPG)
/* physical memory sections for mvme16x */
#define INTIOBASE_162 (0xfff00000)
#define INTIOTOP_162 (0xfffd0000) /* was 0xfff50000 */
#define INTIOSIZE_162 ((INTIOTOP_162-INTIOBASE_162)/NBPG)
/*
* Internal IO space (iiomapsize).
*
* Internal IO space is mapped in the kernel from ``intiobase'' to
* ``intiolimit'' (defined in locore.s). Since it is always mapped,
* conversion between physical and kernel virtual addresses is easy.
*/
#define ISIIOVA(va) \
((va) >= intiobase && (va) < intiolimit)
#define IIOV(pa) ((pa) - iiomapbase + intiobase)
#define IIOP(va) ((va) - intiobase + iiomapbase)
#define IIOPOFF(pa) ((pa) - iiomapbase)
extern int cputyp;
#define CPU_147 0x147
#define CPU_162 0x162
#define CPU_165 0x165
#define CPU_166 0x166
#define CPU_167 0x167
#define CPU_172 0x172
#define CPU_177 0x177
#include <sys/evcount.h>
struct intrhand {
SLIST_ENTRY(intrhand) ih_link;
int (*ih_fn)(void *);
void *ih_arg;
int ih_ipl;
int ih_wantframe;
struct evcount ih_count;
};
int intr_establish(int, struct intrhand *, const char *);
#define NVMEINTR 256
/* locore.s */
__dead void doboot(void);
int badpaddr(paddr_t, int);
int badvaddr(vaddr_t, int);
void nmihand(void *);
int intr_findvec(int, int);
void dma_cachectl(caddr_t, int);
paddr_t kvtop(vaddr_t);
#endif /* _KERNEL */
#endif /* _MVME68K_CPU_H_ */
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