/*- * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com> * All rights reserved. * * Portions of this software were developed by SRI International and the * University of Cambridge Computer Laboratory under DARPA/AFRL contract * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme. * * Portions of this software were developed by the University of Cambridge * Computer Laboratory as part of the CTSRD Project, with support from the * UK Higher Education Innovation Fund (HEIF). * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 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. * * $FreeBSD$ */ #ifndef _MACHINE_PCB_H_ #define _MACHINE_PCB_H_ #ifndef LOCORE struct trapframe; struct pcb { uint64_t pcb_ra; /* Return address */ uint64_t pcb_sp; /* Stack pointer */ uint64_t pcb_gp; /* Global pointer */ uint64_t pcb_tp; /* Thread pointer */ uint64_t pcb_t[7]; /* Temporary registers */ uint64_t pcb_s[12]; /* Saved registers */ uint64_t pcb_a[8]; /* Argument registers */ uint64_t pcb_x[32][2]; /* Floating point registers */ uint64_t pcb_fcsr; /* Floating point control reg */ uint64_t pcb_fpflags; /* Floating point flags */ #define PCB_FP_STARTED 0x1 #define PCB_FP_USERMASK 0x1 uint64_t pcb_sepc; /* Supervisor exception pc */ vm_offset_t pcb_onfault; /* Copyinout fault handler */ }; #ifdef _KERNEL void makectx(struct trapframe *tf, struct pcb *pcb); int savectx(struct pcb *pcb) __returns_twice; #endif #endif /* !LOCORE */ #endif /* !_MACHINE_PCB_H_ */ |