276 lines
8.0 KiB
C
276 lines
8.0 KiB
C
/* $NetBSD: cpu.h,v 1.15 2005/05/30 17:15:29 chs Exp $ */
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/* $OpenBSD: cpu.h,v 1.20 2001/01/29 00:01:58 mickey Exp $ */
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/*
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* Copyright (c) 2000-2001 Michael Shalayeff
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Michael Shalayeff.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1988-1994, The University of Utah and
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* the Computer Systems Laboratory at the University of Utah (CSL).
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* All rights reserved.
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*
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* Permission to use, copy, modify and distribute this software is hereby
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* granted provided that (1) source code retains these copyright, permission,
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* and disclaimer notices, and (2) redistributions including binaries
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* reproduce the notices in supporting documentation, and (3) all advertising
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* materials mentioning features or use of this software display the following
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* acknowledgement: ``This product includes software developed by the
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* Computer Systems Laboratory at the University of Utah.''
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*
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* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
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* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
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* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* CSL requests users of this software to return to csl-dist@cs.utah.edu any
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* improvements that they make and grant CSL redistribution rights.
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*
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* Utah $Hdr: cpu.h 1.19 94/12/16$
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*/
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#ifndef _MACHINE_CPU_H_
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#define _MACHINE_CPU_H_
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#include <machine/trap.h>
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#include <machine/frame.h>
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/*
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* CPU types and features
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*/
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#define HPPA_FTRS_BTLBS 0x00000001
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#define HPPA_FTRS_BTLBU 0x00000002
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#define HPPA_FTRS_HVT 0x00000004
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#define HPPA_FTRS_W32B 0x00000008
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#ifndef _LOCORE
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/*
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* A CPU description.
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*/
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struct hppa_cpu_info {
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/* The official name of the chip. */
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const char *hppa_cpu_info_chip_name;
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/* The nickname for the chip. */
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const char *hppa_cpu_info_chip_nickname;
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/* The type and PA-RISC specification of the chip. */
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const char *hppa_cpu_info_chip_type;
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unsigned short hppa_cpu_info_pa_spec;
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#define HPPA_PA_SPEC_MAKE(major, minor, letter) \
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(((major) << 8) | \
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((minor) << 4) | \
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((letter) == '\0' ? 0 : ((letter) + 0xa - 'a')))
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#define HPPA_PA_SPEC_MAJOR(x) (((x) >> 8) & 0xf)
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#define HPPA_PA_SPEC_MINOR(x) (((x) >> 4) & 0xf)
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#define HPPA_PA_SPEC_LETTER(x) \
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(((x) & 0xf) == 0 ? '\0' : 'a' + ((x) & 0xf) - 0xa)
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int (*desidhash)(void);
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const u_int *itlbh, *dtlbh, *dtlbnah, *tlbdh;
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int (*hptinit)(vaddr_t, vsize_t);
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};
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#ifdef _KERNEL
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extern const struct hppa_cpu_info *hppa_cpu_info;
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#endif
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#endif
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/*
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* COPR/SFUs
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*/
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#define HPPA_FPUS 0xc0
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#define HPPA_PMSFUS 0x20 /* ??? */
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/*
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* Exported definitions unique to hp700/PA-RISC cpu support.
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*/
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/*
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* COPR/SFUs
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*/
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#define HPPA_FPUVER(w) (((w) & 0x003ff800) >> 11)
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#define HPPA_FPU_OP(w) ((w) >> 26)
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#define HPPA_FPU_UNMPL 0x01 /* exception reg, the rest is << 1 */
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#define HPPA_FPU_ILL 0x80 /* software-only */
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#define HPPA_FPU_I 0x01
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#define HPPA_FPU_U 0x02
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#define HPPA_FPU_O 0x04
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#define HPPA_FPU_Z 0x08
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#define HPPA_FPU_V 0x10
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#define HPPA_FPU_D 0x20
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#define HPPA_FPU_T 0x40
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#define HPPA_FPU_XMASK 0x7f
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#define HPPA_FPU_T_POS 25
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#define HPPA_FPU_RM 0x00000600
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#define HPPA_FPU_CQ 0x00fff800
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#define HPPA_FPU_C 0x04000000
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#define HPPA_FPU_INIT (0)
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#define HPPA_FPU_FORK(s) ((s) & ~((uint64_t)(HPPA_FPU_XMASK) << 32))
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/*
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* definitions of cpu-dependent requirements
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* referenced in generic code
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*/
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#define HPPA_PGALIAS 0x00100000
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#define HPPA_PGAMASK 0xfff00000
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#define HPPA_PGAOFF 0x000fffff
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#define HPPA_SPAMASK 0xf0f0f000
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#define HPPA_IOSPACE 0xf0000000
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#define HPPA_IOBCAST 0xfffc0000
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#define HPPA_PDC_LOW 0xef000000
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#define HPPA_PDC_HIGH 0xf1000000
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#define HPPA_FPA 0xfff80000
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#define HPPA_FLEX_DATA 0xfff80001
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#define HPPA_DMA_ENABLE 0x00000001
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#define HPPA_FLEX_MASK 0xfffc0000
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#define HPPA_SPA_ENABLE 0x00000020
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#define HPPA_NMODSPBUS 64
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#ifndef _LOCORE
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#ifdef _KERNEL
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#if defined(_KERNEL_OPT)
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#include "opt_lockdebug.h"
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#endif
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/*
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* External definitions unique to PA-RISC cpu support.
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* These are the "public" declarations - those needed in
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* machine-independent source code. The "private" ones
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* are in machdep.h.
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*
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* Note that the name of this file is NOT meant to imply
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* that it has anything to do with PA-RISC CPU stuff.
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* The name "cpu" is historical, and used in the common
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* code to identify machine-dependent functions, etc.
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*/
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/* clockframe describes the system before we took an interrupt. */
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struct clockframe {
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int cf_flags;
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int cf_spl;
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u_int cf_pc;
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};
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#define CLKF_BASEPRI(framep) ((framep)->cf_spl == 0)
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#define CLKF_PC(framep) ((framep)->cf_pc)
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#define CLKF_INTR(framep) ((framep)->cf_flags & TFF_INTR)
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#define CLKF_USERMODE(framep) ((framep)->cf_flags & T_USER)
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#define signotify(p) (setsoftast())
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#define need_resched(ci) (want_resched = 1, setsoftast())
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#define need_proftick(p) ((p)->p_flag |= P_OWEUPC, setsoftast())
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#include <sys/cpu_data.h>
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struct cpu_info {
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struct cpu_data ci_data; /* MI per-cpu data */
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struct lwp *ci_curlwp; /* CPU owner */
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int ci_cpuid; /* CPU index (see cpus[] array) */
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};
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#include <machine/intr.h>
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extern struct cpu_info cpu_info_store;
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/*
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* definitions of cpu-dependent requirements
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* referenced in generic code
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*/
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#define curcpu() (&cpu_info_store)
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#define cpu_number() 0
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#define cpu_proc_fork(p1, p2)
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#ifdef MULTIPROCESSOR
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#define curlwp (curcpu()->ci_curlwp)
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#define CPU_IS_PRIMARY(ci) 1
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#define CPU_INFO_ITERATOR int
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#define CPU_INFO_FOREACH(cii, ci) cii = 0; ci = curcpu(), cii < 1; cii++
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void cpu_boot_secondary_processors(void);
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#endif
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#define HPPA_SID_KERNEL 0
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extern int want_resched;
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#define DELAY(x) delay(x)
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static __inline paddr_t
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kvtop(const caddr_t va)
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{
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paddr_t pa;
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__asm __volatile ("lpa %%r0(%1), %0" : "=r" (pa) : "r" (va));
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return pa;
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}
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extern int (*cpu_desidhash)(void);
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void delay(u_int);
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void hppa_init(paddr_t);
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void trap(int, struct trapframe *);
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void hppa_ras(struct lwp *);
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int dma_cachectl(caddr_t, int);
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int spcopy(pa_space_t, const void *, pa_space_t, void *, size_t);
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int spstrcpy(pa_space_t, const void *, pa_space_t, void *, size_t,
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size_t *);
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int copy_on_fault(void);
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void switch_trampoline(void);
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void switch_exit(struct lwp *, void (*)(struct lwp *));
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int cpu_dumpsize(void);
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int cpu_dump(void);
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#endif
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/*
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* Boot arguments stuff
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*/
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#define BOOTARG_LEN (PAGE_SIZE)
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#define BOOTARG_OFF (0x10000)
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/*
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* CTL_MACHDEP definitions.
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*/
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#define CPU_CONSDEV 1 /* dev_t: console terminal device */
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#define CPU_MAXID 2 /* number of valid machdep ids */
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#define CTL_MACHDEP_NAMES { \
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{ 0, 0 }, \
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{ "console_device", CTLTYPE_STRUCT }, \
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}
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#endif
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#endif /* _MACHINE_CPU_H_ */
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