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NetBSD/sys/arch/hp700/include/cpu.h

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/* $NetBSD: cpu.h,v 1.9 2003/11/08 15:19:20 tsutsui Exp $ */
/* $OpenBSD: cpu.h,v 1.20 2001/01/29 00:01:58 mickey Exp $ */
/*
* Copyright (c) 2000-2001 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 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.
*/
/*
* Copyright (c) 1988-1994, The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* 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 $Hdr: cpu.h 1.19 94/12/16$
*/
#ifndef _MACHINE_CPU_H_
#define _MACHINE_CPU_H_
#include <machine/trap.h>
#include <machine/frame.h>
/*
* CPU types and features
*/
#define HPPA_FTRS_BTLBS 0x00000001
#define HPPA_FTRS_BTLBU 0x00000002
#define HPPA_FTRS_HVT 0x00000004
#define HPPA_FTRS_W32B 0x00000008
#ifndef _LOCORE
/*
* A CPU description.
*/
struct hppa_cpu_info {
/* The official name of the chip. */
const char *hppa_cpu_info_chip_name;
/* The nickname for the chip. */
const char *hppa_cpu_info_chip_nickname;
/* The type and PA-RISC specification of the chip. */
const char *hppa_cpu_info_chip_type;
unsigned short hppa_cpu_info_pa_spec;
#define HPPA_PA_SPEC_MAKE(major, minor, letter) \
(((major) << 8) | \
((minor) << 4) | \
((letter) == '\0' ? 0 : ((letter) + 0xa - 'a')))
#define HPPA_PA_SPEC_MAJOR(x) (((x) >> 8) & 0xf)
#define HPPA_PA_SPEC_MINOR(x) (((x) >> 4) & 0xf)
#define HPPA_PA_SPEC_LETTER(x) \
(((x) & 0xf) == 0 ? '\0' : 'a' + ((x) & 0xf) - 0xa)
int (*desidhash) __P((void));
const u_int *itlbh, *dtlbh, *dtlbnah, *tlbdh;
int (*hptinit) __P((vaddr_t hpt, vsize_t hptsize));
};
extern const struct hppa_cpu_info *hppa_cpu_info;
#endif
/*
* COPR/SFUs
*/
#define HPPA_FPUS 0xc0
#define HPPA_PMSFUS 0x20 /* ??? */
/*
* Exported definitions unique to hp700/PA-RISC cpu support.
*/
/*
* definitions of cpu-dependent requirements
* referenced in generic code
*/
#undef COPY_SIGCODE /* copy sigcode above user stack in exec */
#define HPPA_PGALIAS 0x00100000
#define HPPA_PGAMASK 0xfff00000
#define HPPA_PGAOFF 0x000fffff
#define HPPA_SPAMASK 0xf0f0f000
#define HPPA_IOSPACE 0xf0000000
#define HPPA_IOBCAST 0xfffc0000
#define HPPA_PDC_LOW 0xef000000
#define HPPA_PDC_HIGH 0xf1000000
#define HPPA_FPA 0xfff80000
#define HPPA_FLEX_DATA 0xfff80001
#define HPPA_DMA_ENABLE 0x00000001
#define HPPA_FLEX_MASK 0xfffc0000
#define HPPA_SPA_ENABLE 0x00000020
#define HPPA_NMODSPBUS 64
#ifndef _LOCORE
#ifdef _KERNEL
#if defined(_KERNEL_OPT)
#include "opt_lockdebug.h"
#endif
/*
* External definitions unique to PA-RISC cpu support.
* These are the "public" declarations - those needed in
* machine-independent source code. The "private" ones
* are in machdep.h.
*
* Note that the name of this file is NOT meant to imply
* that it has anything to do with PA-RISC CPU stuff.
* The name "cpu" is historical, and used in the common
* code to identify machine-dependent functions, etc.
*/
/* clockframe describes the system before we took an interrupt. */
struct clockframe {
int cf_flags;
int cf_spl;
u_int cf_pc;
};
#define CLKF_BASEPRI(framep) ((framep)->cf_spl == 0)
#define CLKF_PC(framep) ((framep)->cf_pc)
#define CLKF_INTR(framep) ((framep)->cf_flags & TFF_INTR)
#define CLKF_USERMODE(framep) ((framep)->cf_flags & T_USER)
#define signotify(p) (setsoftast())
#define need_resched(ci) (want_resched = 1, setsoftast())
#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast())
#include <sys/sched.h>
struct cpu_info {
struct schedstate_percpu ci_schedstate; /* scheduler state */
#if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
u_long ci_spin_locks; /* # of spin locks held */
u_long ci_simple_locks; /* # of simple locks held */
#endif
};
#include <machine/intr.h>
extern struct cpu_info cpu_info_store;
#define curcpu() (&cpu_info_store)
/*
* definitions of cpu-dependent requirements
* referenced in generic code
*/
#define cpu_wait(p) /* nothing */
#define cpu_number() 0
#define cpu_proc_fork(p1, p2)
#define MD_CACHE_FLUSH 0
#define MD_CACHE_PURGE 1
#define HPPA_SID_KERNEL 0
#define MD_CACHE_CTL(a,s,t) \
(((t)? pdcache : fdcache) (HPPA_SID_KERNEL,(vaddr_t)(a),(s)))
extern int want_resched;
#define DELAY(x) delay(x)
static __inline long
kvtop (const caddr_t va)
{
long ret;
__asm __volatile ("lpa %%r0(%1), %0" : "=r" (ret) : "r" (va));
return ret;
}
extern int (*cpu_desidhash) __P((void));
void delay __P((u_int));
void hppa_init __P((paddr_t));
void trap __P((int, struct trapframe *));
int dma_cachectl __P((caddr_t, int));
int spcopy __P((pa_space_t, const void *,
pa_space_t, void *, size_t));
int spstrcpy __P((pa_space_t, const void *,
pa_space_t, void *, size_t, size_t *));
int copy_on_fault __P((void));
void switch_trampoline __P((void));
void switch_exit __P((struct lwp *, void (*)(struct lwp *)));
int cpu_dumpsize __P((void));
int cpu_dump __P((void));
#endif
/*
* Boot arguments stuff
*/
#define BOOTARG_LEN (PAGE_SIZE)
#define BOOTARG_OFF (0x10000)
/*
* 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 }, \
}
#endif
#endif /* _MACHINE_CPU_H_ */
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