90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/* $NetBSD: pcb.h,v 1.3 2001/11/23 17:39:04 thorpej Exp $ */
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/*
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* Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
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* Copyright (c) 1994 Mark Brinicombe.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the RiscBSD team.
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* 4. The name "RiscBSD" nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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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#ifndef _ARM_PCB_H_
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#define _ARM_PCB_H_
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#include <machine/frame.h>
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#include <machine/fp.h>
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#include <arm/arm32/pte.h>
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struct trapframe;
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struct pcb_arm32 {
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pd_entry_t *pcb32_pagedir; /* PT hooks */
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u_int pcb32_r8; /* used */
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u_int pcb32_r9; /* used */
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u_int pcb32_r10; /* used */
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u_int pcb32_r11; /* used */
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u_int pcb32_r12; /* used */
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u_int pcb32_sp; /* used */
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u_int pcb32_lr;
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u_int pcb32_pc;
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u_int pcb32_und_sp;
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};
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#define pcb_pagedir pcb_un.un_32.pcb32_pagedir
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struct pcb_arm26 {
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struct switchframe *pcb26_sf;
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};
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#define pcb_sf pcb_un.un_26.pcb26_sf
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struct pcb {
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u_int pcb_flags;
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#define PCB_OWNFPU 0x00000001
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struct trapframe *pcb_tf;
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caddr_t pcb_onfault; /* On fault handler */
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union {
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struct pcb_arm32 un_32;
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struct pcb_arm26 un_26;
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} pcb_un;
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struct fpe_sp_state pcb_fpstate; /* Floating Point state */
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};
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#define pcb_ff pcb_fpstate /* for arm26 */
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/*
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* No additional data for core dumps.
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*/
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struct md_coredump {
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int md_empty;
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};
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#ifdef _KERNEL
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extern struct pcb *curpcb;
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#endif /* _KERNEL */
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#endif /* _ARM_PCB_H_ */
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