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/* $OpenBSD: frame.h,v 1.9 1999/09/11 23:49:37 mickey Exp $ */
/*
* Copyright (c) 1999 Michael Shalayeff
* 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 Michael Shalayeff.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 HIS RELATIVES 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 MIND, 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.
*/
#ifndef _MACHINE_FRAME_H_
#define _MACHINE_FRAME_H_
#include <machine/reg.h>
/*
* Call frame definitions
*/
#define HPPA_FRAME_NARGS (12)
#define HPPA_FRAME_MAXARGS (HPPA_FRAME_NARGS * 4)
#define HPPA_FRAME_ARG(n) (-(32 + 4*(n)))
#define HPPA_FRAME_CARG(n,sp) ((register_t *)((sp) + HPPA_FRAME_ARG(n)))
#define HPPA_FRAME_SIZE (48)
#define HPPA_FRAME_PSP (-4)
#define HPPA_FRAME_EP (-8)
#define HPPA_FRAME_CLUP (-12)
#define HPPA_FRAME_SL (-16)
#define HPPA_FRAME_CRP (-20)
#define HPPA_FRAME_ERP (-24)
#define HPPA_FRAME_ESR4 (-28)
#define HPPA_FRAME_EDP (-32)
/*
* Macros to decode processor status word.
*/
#define HPPA_PC_PRIV_MASK 3
#define HPPA_PC_PRIV_KERN 0
#define HPPA_PC_PRIV_USER 3
#define USERMODE(pc) ((((register_t)pc) & HPPA_PC_PRIV_MASK) != HPPA_PC_PRIV_KERN)
#define KERNMODE(pc) (((register_t)pc) & ~HPPA_PC_PRIV_MASK)
#ifndef _LOCORE
struct trapframe {
u_int tf_flags;
u_int tf_r1;
u_int tf_rp; /* r2 */
u_int tf_r3; /* frame pointer when -g */
u_int tf_r4;
u_int tf_r5;
u_int tf_r6;
u_int tf_r7;
u_int tf_r8;
u_int tf_r9;
u_int tf_r10;
u_int tf_r11;
u_int tf_r12;
u_int tf_r13;
u_int tf_r14;
u_int tf_r15;
u_int tf_r16;
u_int tf_r17;
u_int tf_r18;
u_int tf_t4; /* r19 */
u_int tf_t3; /* r20 */
u_int tf_t2; /* r21 */
u_int tf_t1; /* r22 */
u_int tf_arg3; /* r23 */
u_int tf_arg2; /* r24 */
u_int tf_arg1; /* r25 */
u_int tf_arg0; /* r26 */
u_int tf_dp; /* r27 */
u_int tf_ret0; /* r28 */
u_int tf_ret1; /* r29 */
u_int tf_sp; /* r30 */
u_int tf_r31;
u_int tf_sr0;
u_int tf_sr1;
u_int tf_sr2;
u_int tf_sr3;
u_int tf_sr4;
u_int tf_sr5;
u_int tf_sr6;
u_int tf_sr7;
u_int tf_pidr1; /* cr8 */
u_int tf_pidr2; /* cr9 */
u_int tf_pidr3; /* cr12 */
u_int tf_pidr4; /* cr13 */
u_int tf_rctr; /* cr0 */
u_int tf_eiem; /* cr15 */
u_int tf_ccr; /* cr10 */
u_int tf_sar; /* cr11 */
u_int tf_iisq_head; /* cr17 */
u_int tf_iisq_tail;
u_int tf_iioq_head; /* cr18 */
u_int tf_iioq_tail;
u_int tf_iir; /* cr19 */
u_int tf_isr; /* cr20 */
u_int tf_ior; /* cr21 */
u_int tf_ipsw; /* cr22 */
u_int tf_eirr; /* cr23 - DDB */
u_int tf_hptm; /* cr24 - DDB */
u_int tf_vtop; /* cr25 - DDB */
u_int tf_cr28; /* - DDB */
u_int tf_cr30; /* KSP */
u_int tf_pad[3]; /* pad to 256 bytes */
};
#endif /* !_LOCORE */
#endif /* !_MACHINE_FRAME_H_ */
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