78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
/* $NetBSD: proc.h,v 1.13 2005/07/10 17:02:19 christos Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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*
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* 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 the University of
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* California, Lawrence Berkeley Laboratory.
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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. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)proc.h 8.1 (Berkeley) 6/11/93
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*/
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#ifndef _SPARC_PROC_H_
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#define _SPARC_PROC_H_
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/*
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* Machine-dependent part of the proc structure for SPARC.
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*/
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struct mdlwp {
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struct trapframe *md_tf; /* trap/syscall registers */
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struct fpstate *md_fpstate; /* fpu state, if any; always resident */
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u_long md_flags;
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struct cpu_info *md_fpu; /* Module holding FPU state */
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};
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struct mdproc {
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void (*md_syscall)(register_t, struct trapframe *, register_t);
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};
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/* md_flags */
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#define MDP_FIXALIGN 0x1 /* Fix unaligned memory accesses */
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/*
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* FPU context switch lock
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* Prevent interrupts that grab the kernel lock
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*/
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extern struct simplelock fpulock;
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#define FPU_LOCK(s) do { \
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s = splclock(); \
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simple_lock(&fpulock); \
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} while (/* CONSTCOND */ 0)
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#define FPU_UNLOCK(s) do { \
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simple_unlock(&fpulock); \
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splx(s); \
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} while (/* CONSTCOND */ 0)
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#endif /* _SPARC_PROC_H_ */
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