74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
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/* $NetBSD: proc.h,v 1.38 2011/01/14 02:06:26 rmind Exp $ */
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/*
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* Copyright (c) 1991 Regents of the University of California.
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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. 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 7.1 (Berkeley) 5/15/91
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*/
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#ifndef _I386_PROC_H_
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#define _I386_PROC_H_
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#include <machine/frame.h>
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#include <machine/pcb.h>
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/*
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* Machine-dependent part of the lwp structure for i386.
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*/
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struct pmap;
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struct vm_page;
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struct mdlwp {
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struct trapframe *md_regs; /* registers on current frame */
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int md_flags; /* machine-dependent flags */
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volatile int md_astpending; /* AST pending for this process */
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struct pmap *md_gc_pmap; /* pmap being garbage collected */
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struct vm_page *md_gc_ptp; /* pages from pmap g/c */
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};
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/* md_flags */
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#define MDL_USEDFPU 0x0001 /* has used the FPU */
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#define MDL_IOPL 0x0002 /* XEN: i/o privilege */
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struct mdproc {
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int md_flags;
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void (*md_syscall)(struct trapframe *);
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/* Syscall handling function */
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};
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/* md_flags */
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#define MDP_USEDMTRR 0x0002 /* has set volatile MTRRs */
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/* Kernel stack parameters. */
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#define UAREA_PCB_OFFSET (USPACE - ALIGN(sizeof(struct pcb)))
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#define KSTACK_LOWEST_ADDR(l) \
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((void *)((vaddr_t)(l)->l_addr - UAREA_PCB_OFFSET))
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#define KSTACK_SIZE UAREA_PCB_OFFSET
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#endif /* _I386_PROC_H_ */
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