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/* $OpenBSD: frame.h,v 1.8 2018/04/26 12:47:02 guenther Exp $ */
/* $NetBSD: frame.h,v 1.1 2003/04/26 18:39:40 fvdl Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)frame.h 5.2 (Berkeley) 1/18/91
*/
/*
* Adapted for NetBSD/amd64 by fvdl@wasabisystems.com
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_
#include <sys/signal.h>
#include <machine/fpu.h>
/*
* System stack frames.
*/
/*
* Exception/Trap Stack Frame
*/
struct trapframe {
int64_t tf_rdi;
int64_t tf_rsi;
int64_t tf_rdx;
int64_t tf_rcx;
int64_t tf_r8;
int64_t tf_r9;
int64_t tf_r10;
int64_t tf_r11;
int64_t tf_r12;
int64_t tf_r13;
int64_t tf_r14;
int64_t tf_r15;
int64_t tf_err; /* not the hardware position */
int64_t tf_rbx;
int64_t tf_rax;
int64_t tf_gs;
int64_t tf_fs;
int64_t tf_es;
int64_t tf_ds;
int64_t tf_trapno;
int64_t tf_rbp; /* hardware puts err here, INTRENTRY() moves it up */
/* below portion defined in hardware */
int64_t tf_rip;
int64_t tf_cs;
int64_t tf_rflags;
/* These are pushed unconditionally on the x86-64 */
int64_t tf_rsp;
int64_t tf_ss;
};
/*
* Interrupt stack frame
*/
struct intrframe {
int64_t if_ppl;
int64_t if_rdi;
int64_t if_rsi;
int64_t if_rdx;
int64_t if_rcx;
int64_t if_r8;
int64_t if_r9;
int64_t if_r10;
int64_t if_r11;
int64_t if_r12;
int64_t if_r13;
int64_t if_r14;
int64_t if_r15;
u_int64_t __if_err; /* for compat with trap frame - err */
int64_t if_rbx;
int64_t if_rax;
int64_t tf_gs;
int64_t tf_fs;
int64_t tf_es;
int64_t tf_ds;
u_int64_t __if_trapno; /* for compat with trap frame - trapno */
int64_t if_rbp;
/* below portion defined in hardware */
int64_t if_rip;
int64_t if_cs;
int64_t if_rflags;
/* These are pushed unconditionally on the x86-64 */
int64_t if_rsp;
int64_t if_ss;
};
/*
* The trampoline frame used on the kernel stack page which is present
* but kernel-only, in the page tables used when in userspace. This is
* the minimum for iretq operation.
*/
struct iretq_frame {
int64_t iretq_rip;
int64_t iretq_cs;
int64_t iretq_rflags;
int64_t iretq_rsp;
int64_t iretq_ss;
};
/*
* Stack frame inside cpu_switch()
*/
struct switchframe {
int64_t sf_r15;
int64_t sf_r14;
int64_t sf_r13;
int64_t sf_r12;
int64_t sf_rbp;
int64_t sf_rbx;
int64_t sf_rip;
};
struct callframe {
struct callframe *f_frame;
long f_retaddr;
long f_arg0;
};
#endif /* _MACHINE_FRAME_H_ */
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