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/* $NetBSD: pcb.h,v 1.10 2003/10/13 21:46:39 scw Exp $ */
/*-
* Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
* Copyright (c) 1994 Mark Brinicombe.
* 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 the RiscBSD team.
* 4. The name "RiscBSD" nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RISCBSD ``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 RISCBSD 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.
*
* $FreeBSD: release/9.1.0/sys/arm/include/pcb.h 235539 2012-05-17 10:25:34Z dim $
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
#include <machine/frame.h>
#include <machine/fp.h>
struct trapframe;
struct pcb_arm32 {
vm_offset_t pcb32_pagedir; /* PT hooks */
uint32_t *pcb32_pl1vec; /* PTR to vector_base L1 entry*/
uint32_t pcb32_l1vec; /* Value to stuff on ctx sw */
u_int pcb32_dacr; /* Domain Access Control Reg */
/*
* WARNING!
* cpuswitch.S relies on pcb32_r8 being quad-aligned in struct pcb
* (due to the use of "strd" when compiled for XSCALE)
*/
u_int pcb32_r8; /* used */
u_int pcb32_r9; /* used */
u_int pcb32_r10; /* used */
u_int pcb32_r11; /* used */
u_int pcb32_r12; /* used */
u_int pcb32_sp; /* used */
u_int pcb32_lr;
u_int pcb32_pc;
u_int pcb32_und_sp;
};
#define pcb_pagedir un_32.pcb32_pagedir
#define pcb_pl1vec un_32.pcb32_pl1vec
#define pcb_l1vec un_32.pcb32_l1vec
#define pcb_dacr un_32.pcb32_dacr
#define pcb_cstate un_32.pcb32_cstate
/*
* WARNING!
* See warning for struct pcb_arm32, above, before changing struct pcb!
*/
struct pcb {
u_int pcb_flags;
#define PCB_OWNFPU 0x00000001
#define PCB_NOALIGNFLT 0x00000002
caddr_t pcb_onfault; /* On fault handler */
struct pcb_arm32 un_32;
struct fpe_sp_state pcb_fpstate; /* Floating Point state */
};
/*
* No additional data for core dumps.
*/
struct md_coredump {
int md_empty;
};
void makectx(struct trapframe *tf, struct pcb *pcb);
#ifdef _KERNEL
void savectx(struct pcb *) __returns_twice;
#endif /* _KERNEL */
#endif /* !_MACHINE_PCB_H_ */