/* $NetBSD: proc.h,v 1.19 2011/01/14 02:06:31 rmind 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_ */ |