pcb.h revision 129309
167Ssundar/*- 267Ssundar * Copyright (c) 2003 Peter Wemm. 3970Sattila * Copyright (c) 1990 The Regents of the University of California. 467Ssundar * All rights reserved. 567Ssundar * 667Ssundar * This code is derived from software contributed to Berkeley by 7970Sattila * William Jolitz. 867Ssundar * 967Ssundar * Redistribution and use in source and binary forms, with or without 10970Sattila * modification, are permitted provided that the following conditions 1167Ssundar * are met: 1267Ssundar * 1. Redistributions of source code must retain the above copyright 1367Ssundar * notice, this list of conditions and the following disclaimer. 14970Sattila * 2. Redistributions in binary form must reproduce the above copyright 1567Ssundar * notice, this list of conditions and the following disclaimer in the 1667Ssundar * documentation and/or other materials provided with the distribution. 1767Ssundar * 4. Neither the name of the University nor the names of its contributors 18970Sattila * may be used to endorse or promote products derived from this software 1967Ssundar * without specific prior written permission. 2067Ssundar * 2167Ssundar * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2267Ssundar * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2367Ssundar * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2467Ssundar * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2567Ssundar * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2667Ssundar * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2767Ssundar * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2867Ssundar * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2967Ssundar * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3067Ssundar * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3167Ssundar * SUCH DAMAGE. 3267Ssundar * 3367Ssundar * from: @(#)pcb.h 5.10 (Berkeley) 5/12/91 3467Ssundar * $FreeBSD: head/sys/amd64/include/pcb.h 129309 2004-05-16 22:43:57Z peter $ 35970Sattila */ 3667Ssundar 3767Ssundar#ifndef _AMD64_PCB_H_ 3867Ssundar#define _AMD64_PCB_H_ 3967Ssundar 4067Ssundar/* 4167Ssundar * AMD64 process control block 4267Ssundar */ 4367Ssundar#include <machine/fpu.h> 4467Ssundar 4567Ssundarstruct pcb { 46 register_t padxx[8]; 47 register_t pcb_cr3; 48 register_t pcb_r15; 49 register_t pcb_r14; 50 register_t pcb_r13; 51 register_t pcb_r12; 52 register_t pcb_rbp; 53 register_t pcb_rsp; 54 register_t pcb_rbx; 55 register_t pcb_rip; 56 register_t pcb_rflags; 57 register_t pcb_fsbase; 58 register_t pcb_gsbase; 59 u_int32_t pcb_ds; 60 u_int32_t pcb_es; 61 u_int32_t pcb_fs; 62 u_int32_t pcb_gs; 63 u_int64_t pcb_dr0; 64 u_int64_t pcb_dr1; 65 u_int64_t pcb_dr2; 66 u_int64_t pcb_dr3; 67 u_int64_t pcb_dr6; 68 u_int64_t pcb_dr7; 69 70 struct savefpu pcb_save; 71 u_long pcb_flags; 72#define PCB_DBREGS 0x02 /* process using debug registers */ 73#define PCB_FPUINITDONE 0x08 /* fpu state is initialized */ 74#define PCB_32BIT 0x40 /* process has 32 bit context (segs etc) */ 75#define PCB_FULLCTX 0x80 /* full context restore on sysret */ 76 77 caddr_t pcb_onfault; /* copyin/out fault recovery */ 78}; 79 80#ifdef _KERNEL 81void savectx(struct pcb *); 82#endif 83 84#endif /* _AMD64_PCB_H_ */ 85