Return to frame.h CVS log

Up to [local] / sys / arch / alpha / include

Annotation of sys/arch/alpha/include/frame.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: frame.h,v 1.3 1996/10/30 22:39:06 niklas Exp $        */
        !             2: /*     $NetBSD: frame.h,v 1.3 1996/07/11 05:31:32 cgd Exp $    */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Author: Chris G. Demetriou
        !             9:  *
        !            10:  * Permission to use, copy, modify and distribute this software and
        !            11:  * its documentation is hereby granted, provided that both the copyright
        !            12:  * notice and this permission notice appear in all copies of the
        !            13:  * software, derivative works or modified versions, and any portions
        !            14:  * thereof, and that both notices appear in supporting documentation.
        !            15:  *
        !            16:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            17:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            18:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            19:  *
        !            20:  * Carnegie Mellon requests users of this software to return to
        !            21:  *
        !            22:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            23:  *  School of Computer Science
        !            24:  *  Carnegie Mellon University
        !            25:  *  Pittsburgh PA 15213-3890
        !            26:  *
        !            27:  * any improvements or extensions that they make and grant Carnegie the
        !            28:  * rights to redistribute these changes.
        !            29:  */
        !            30:
        !            31: #ifndef _ALPHA_FRAME_H_
        !            32: #define        _ALPHA_FRAME_H_
        !            33:
        !            34: #include <machine/alpha_cpu.h>
        !            35:
        !            36: /*
        !            37:  * Software trap, exception, and syscall frame.
        !            38:  *
        !            39:  * Includes "hardware" (PALcode) frame.
        !            40:  *
        !            41:  * PALcode puts ALPHA_HWFRAME_* fields on stack.  We have to add
        !            42:  * all of the general-purpose registers except for zero, for sp
        !            43:  * (which is automatically saved in the PCB's USP field for entries
        !            44:  * from user mode, and which is implicitly saved and restored by the
        !            45:  * calling conventions for entries from kernel mode), and (on traps
        !            46:  * and exceptions) for a0, a1, and a2 (which are saved by PALcode).
        !            47:  */
        !            48:
        !            49: /* Quadword offsets of the registers to be saved. */
        !            50: #define        FRAME_V0        0
        !            51: #define        FRAME_T0        1
        !            52: #define        FRAME_T1        2
        !            53: #define        FRAME_T2        3
        !            54: #define        FRAME_T3        4
        !            55: #define        FRAME_T4        5
        !            56: #define        FRAME_T5        6
        !            57: #define        FRAME_T6        7
        !            58: #define        FRAME_T7        8
        !            59: #define        FRAME_S0        9
        !            60: #define        FRAME_S1        10
        !            61: #define        FRAME_S2        11
        !            62: #define        FRAME_S3        12
        !            63: #define        FRAME_S4        13
        !            64: #define        FRAME_S5        14
        !            65: #define        FRAME_S6        15
        !            66: #define        FRAME_A3        16
        !            67: #define        FRAME_A4        17
        !            68: #define        FRAME_A5        18
        !            69: #define        FRAME_T8        19
        !            70: #define        FRAME_T9        20
        !            71: #define        FRAME_T10       21
        !            72: #define        FRAME_T11       22
        !            73: #define        FRAME_RA        23
        !            74: #define        FRAME_T12       24
        !            75: #define        FRAME_AT        25
        !            76: #define        FRAME_SP        26
        !            77:
        !            78: #define        FRAME_SW_SIZE   (FRAME_SP + 1)
        !            79: #define        FRAME_HW_OFFSET FRAME_SW_SIZE
        !            80:
        !            81: #define        FRAME_PS        (FRAME_HW_OFFSET + ALPHA_HWFRAME_PS)
        !            82: #define        FRAME_PC        (FRAME_HW_OFFSET + ALPHA_HWFRAME_PC)
        !            83: #define        FRAME_GP        (FRAME_HW_OFFSET + ALPHA_HWFRAME_GP)
        !            84: #define        FRAME_A0        (FRAME_HW_OFFSET + ALPHA_HWFRAME_A0)
        !            85: #define        FRAME_A1        (FRAME_HW_OFFSET + ALPHA_HWFRAME_A1)
        !            86: #define        FRAME_A2        (FRAME_HW_OFFSET + ALPHA_HWFRAME_A2)
        !            87:
        !            88: #define        FRAME_HW_SIZE   ALPHA_HWFRAME_SIZE
        !            89: #define        FRAME_SIZE      (FRAME_HW_OFFSET + FRAME_HW_SIZE)
        !            90:
        !            91: struct trapframe {
        !            92:        unsigned long   tf_regs[FRAME_SIZE];    /* See above */
        !            93: };
        !            94:
        !            95: #endif /* _ALPHA_FRAME_H_ */