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/* $NetBSD: proc.h,v 1.20 2020/12/06 02:23:12 christos Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* 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.
*
* @(#)proc.h 8.1 (Berkeley) 6/11/93
*/
#ifndef _SPARC_PROC_H_
#define _SPARC_PROC_H_
/*
* Machine-dependent parts of the lwp and proc structures for SPARC.
*/
struct mdlwp {
struct trapframe *md_tf; /* trap/syscall registers */
struct fpstate *md_fpstate; /* fpu state, if any; always resident */
struct cpu_info *md_fpu; /* Module holding FPU state */
};
struct mdproc {
void (*md_syscall)(__register_t, struct trapframe *, __register_t);
u_long md_flags;
};
/* md_flags */
#define MDP_FIXALIGN 0x1 /* Fix unaligned memory accesses */
#ifdef _KERNEL
/*
* FPU context switch lock
* Prevent interrupts that grab the kernel lock
* XXX mrg: remove (s) argument
*/
extern kmutex_t fpu_mtx;
#define FPU_LOCK(s) do { \
(void)&(s); \
mutex_enter(&fpu_mtx); \
} while (/* CONSTCOND */ 0)
#define FPU_UNLOCK(s) do { \
mutex_exit(&fpu_mtx); \
} while (/* CONSTCOND */ 0)
#endif
#endif /* _SPARC_PROC_H_ */
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