/* $NetBSD: pcb.h,v 1.23 2021/10/27 18:20:23 christos Exp $ */
/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* 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 TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``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 TOOLS GMBH 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.
*/
#ifndef _POWERPC_PCB_H_
#define _POWERPC_PCB_H_
#include <powerpc/reg.h>
#include <powerpc/frame.h>
struct faultbuf {
register_t fb_sp; /* R1 */
register_t fb_r2; /* R2 (why?) */
/*
* These are ordered so that one could use a stmw to save them.
*/
register_t fb_msr; /* MSR */
register_t fb_pc; /* PC */
register_t fb_cr; /* CR */
register_t fb_fixreg[19]; /* R13-R31 */
};
struct pcb {
struct pmap *pcb_pm; /* pmap of our vmspace */
register_t pcb_sp; /* saved SP */
int pcb_flags;
#define PCB_FE1 PSL_FE1 /* 0x100 */
#define PCB_FE0 PSL_FE0 /* 0x800 */
struct faultbuf *pcb_onfault; /* For use during copyin/copyout */
vaddr_t pcb_kmapsr; /* where to map user segment in kernel */
vaddr_t pcb_umapsr; /* the user segment mapped in kernel */
struct fpreg pcb_fpu; /* Floating point processor */
struct vreg pcb_vr __attribute__((aligned(16)));
register_t pcb_usprg0; /* User Special-Purpose Register General 0 */
};
struct md_coredump {
struct trapframe frame;
struct fpreg fpstate;
struct vreg vstate;
};
#ifdef _KERNEL
int setfault(struct faultbuf *);
#endif
#endif /* _POWERPC_PCB_H_ */
