Annotation of sys/arch/hppa/include/frame.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: frame.h,v 1.16 2004/04/07 18:24:19 mickey Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1999-2004 Michael Shalayeff
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: *
! 16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 26: * THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29:
! 30: #ifndef _MACHINE_FRAME_H_
! 31: #define _MACHINE_FRAME_H_
! 32:
! 33: /*
! 34: * Call frame definitions
! 35: */
! 36: #define HPPA_FRAME_NARGS (12)
! 37: #define HPPA_FRAME_MAXARGS (HPPA_FRAME_NARGS * 4)
! 38: #define HPPA_FRAME_ARG(n) (-(32 + 4*((n) + 1)))
! 39: #define HPPA_FRAME_CARG(n,sp) ((register_t *)((sp) + HPPA_FRAME_ARG(n)))
! 40: #define HPPA_FRAME_SIZE (64)
! 41: #define HPPA_FRAME_PSP (-4)
! 42: #define HPPA_FRAME_EP (-8)
! 43: #define HPPA_FRAME_CLUP (-12)
! 44: #define HPPA_FRAME_SL (-16)
! 45: #define HPPA_FRAME_CRP (-20)
! 46: #define HPPA_FRAME_ERP (-24)
! 47: #define HPPA_FRAME_ESR4 (-28)
! 48: #define HPPA_FRAME_EDP (-32)
! 49:
! 50: /*
! 51: * Macros to decode processor status word.
! 52: */
! 53: #define HPPA_PC_PRIV_MASK 3
! 54: #define HPPA_PC_PRIV_KERN 0
! 55: #define HPPA_PC_PRIV_USER 3
! 56: #define USERMODE(pc) ((((register_t)pc) & HPPA_PC_PRIV_MASK) != HPPA_PC_PRIV_KERN)
! 57: #define KERNMODE(pc) (((register_t)pc) & ~HPPA_PC_PRIV_MASK)
! 58:
! 59: #ifndef _LOCORE
! 60: /*
! 61: * the trapframe is divided into two parts:
! 62: * one is saved while we are in the physical mode (beginning of the trap),
! 63: * and should be kept as small as possible, since all the interrupts will
! 64: * be lost during this phase, also it must be 64-bytes aligned, per
! 65: * pa-risc stack conventions, and its dependencies in the code (;
! 66: * the other part is filled out when we are already in the virtual mode,
! 67: * are able to catch interrupts (they are kept pending) and perform
! 68: * other trap activities (like tlb misses).
! 69: */
! 70: struct trapframe {
! 71: /* the `physical' part of the trapframe */
! 72: unsigned tf_t1; /* r22 */
! 73: unsigned tf_t2; /* r21 */
! 74: unsigned tf_sp; /* r30 */
! 75: unsigned tf_t3; /* r20 */
! 76: unsigned tf_iisq_head; /* cr17 */
! 77: unsigned tf_iisq_tail;
! 78: unsigned tf_iioq_head; /* cr18 */
! 79: unsigned tf_iioq_tail;
! 80: unsigned tf_eiem; /* cr15 */
! 81: unsigned tf_ipsw; /* cr22 */
! 82: unsigned tf_sr3;
! 83: unsigned tf_pidr1; /* cr8 */
! 84: unsigned tf_isr; /* cr20 */
! 85: unsigned tf_ior; /* cr21 */
! 86: unsigned tf_iir; /* cr19 */
! 87: unsigned tf_flags;
! 88:
! 89: /* here starts the `virtual' part */
! 90: unsigned tf_sar; /* cr11 */
! 91: unsigned tf_r1;
! 92: unsigned tf_rp; /* r2 */
! 93: unsigned tf_r3; /* frame pointer when -g */
! 94: unsigned tf_r4;
! 95: unsigned tf_r5;
! 96: unsigned tf_r6;
! 97: unsigned tf_r7;
! 98: unsigned tf_r8;
! 99: unsigned tf_r9;
! 100: unsigned tf_r10;
! 101: unsigned tf_r11;
! 102: unsigned tf_r12;
! 103: unsigned tf_r13;
! 104: unsigned tf_r14;
! 105: unsigned tf_r15;
! 106: unsigned tf_r16;
! 107: unsigned tf_r17;
! 108: unsigned tf_r18;
! 109: unsigned tf_t4; /* r19 */
! 110: unsigned tf_arg3; /* r23 */
! 111: unsigned tf_arg2; /* r24 */
! 112: unsigned tf_arg1; /* r25 */
! 113: unsigned tf_arg0; /* r26 */
! 114: unsigned tf_dp; /* r27 */
! 115: unsigned tf_ret0; /* r28 */
! 116: unsigned tf_ret1; /* r29 */
! 117: unsigned tf_r31;
! 118: unsigned tf_sr0;
! 119: unsigned tf_sr1;
! 120: unsigned tf_sr2;
! 121: unsigned tf_sr4;
! 122: unsigned tf_sr5;
! 123: unsigned tf_sr6;
! 124: unsigned tf_sr7;
! 125: unsigned tf_pidr2; /* cr9 */
! 126: unsigned tf_pidr3; /* cr12 */
! 127: unsigned tf_pidr4; /* cr13 */
! 128: unsigned tf_rctr; /* cr0 */
! 129: unsigned tf_ccr; /* cr10 */
! 130: unsigned tf_eirr; /* cr23 - DDB */
! 131: unsigned tf_vtop; /* cr25 - DDB */
! 132: unsigned tf_cr28; /* - DDB */
! 133: unsigned tf_cr30; /* uaddr */
! 134:
! 135: unsigned tf_pad[4]; /* pad to 256 bytes */
! 136: };
! 137: #endif /* !_LOCORE */
! 138:
! 139: #endif /* !_MACHINE_FRAME_H_ */
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