NetBSD/sys/arch/hppa/include/pcb.h
chs 807ed3c6d2 store the kernel stack pointer for a sleeping LWP in its PCB instead of
in its trapframe.  this is needed for scheduler activations, so that we can
change the user stack pointer via the trapframe.  from openbsd.
2004-07-18 20:27:11 +00:00

56 lines
2.2 KiB
C

/* $NetBSD: pcb.h,v 1.2 2004/07/18 20:27:11 chs Exp $ */
/* $OpenBSD: pcb.h,v 1.6 2000/01/12 07:24:35 mickey Exp $ */
/*
* Copyright (c) 1999-2000 Michael Shalayeff
* All rights reserved.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR OR HIS RELATIVES 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 MIND, 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.
*/
#ifndef _HPPA_PCB_H_
#define _HPPA_PCB_H_
#include <machine/reg.h>
struct pcb {
u_int64_t pcb_fpregs[HPPA_NFPREGS+1]; /* not in the trapframe */
u_int pcb_onfault; /* SW copy fault handler */
pa_space_t pcb_space; /* copy pmap_space, for asm's sake */
vaddr_t pcb_uva; /* KVA for U-area */
u_int pcb_ksp; /* kernel sp for ctxsw */
};
struct md_coredump {
struct reg md_reg;
};
#endif /* _HPPA_PCB_H_ */