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Annotation of XNU/osfmk/ppc/trap.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * @OSF_COPYRIGHT@
        !            24:  */
        !            25: /* 
        !            26:  * Mach Operating System
        !            27:  * Copyright (c) 1991,1990 Carnegie Mellon University
        !            28:  * All Rights Reserved.
        !            29:  * 
        !            30:  * Permission to use, copy, modify and distribute this software and its
        !            31:  * documentation is hereby granted, provided that both the copyright
        !            32:  * notice and this permission notice appear in all copies of the
        !            33:  * software, derivative works or modified versions, and any portions
        !            34:  * thereof, and that both notices appear in supporting documentation.
        !            35:  * 
        !            36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            39:  * 
        !            40:  * Carnegie Mellon requests users of this software to return to
        !            41:  * 
        !            42:  *  Software Distribution Coordinator  or  [email protected]
        !            43:  *  School of Computer Science
        !            44:  *  Carnegie Mellon University
        !            45:  *  Pittsburgh PA 15213-3890
        !            46:  * 
        !            47:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            48:  * the rights to redistribute these changes.
        !            49:  */
        !            50: 
        !            51: #ifndef        _PPC_TRAP_H_
        !            52: #define        _PPC_TRAP_H_
        !            53: 
        !            54: /* maximum number of arguments to a syscall trap */
        !            55: #define NARGS  12
        !            56: /* Size to reserve in frame for arguments - first 8 are in registers */
        !            57: #define ARG_SIZE FM_ALIGN((NARGS-8)*4)
        !            58: 
        !            59: 
        !            60: /*
        !            61:  * Hardware exception vectors for powerpc are in exception.h
        !            62:  */
        !            63: 
        !            64: #ifndef        ASSEMBLER
        !            65: 
        !            66: #include <mach/thread_status.h>
        !            67: #include <mach/boolean.h>
        !            68: #include <ppc/thread.h>
        !            69: 
        !            70: extern void                    doexception(int exc, int code, int sub);
        !            71: 
        !            72: extern void                    thread_exception_return(void);
        !            73: 
        !            74: extern boolean_t               alignment(unsigned long dsisr,
        !            75:                                          unsigned long dar,
        !            76:                                          struct ppc_saved_state *ssp);
        !            77: 
        !            78: extern struct ppc_saved_state* trap(int trapno,
        !            79:                                     struct ppc_saved_state *ss,
        !            80:                                     unsigned int dsisr,
        !            81:                                     unsigned int dar);
        !            82: 
        !            83: extern struct ppc_saved_state* interrupt(int intno,
        !            84:                                         struct ppc_saved_state *ss,
        !            85:                                         unsigned int dsisr,
        !            86:                                         unsigned int dar);
        !            87: 
        !            88: extern int                     syscall_error(int exception,
        !            89:                                              int code,
        !            90:                                              int subcode,
        !            91:                                              struct ppc_saved_state *ss);
        !            92: 
        !            93: 
        !            94: extern int                     procitab(unsigned, void (*)(int), int);
        !            95: 
        !            96: #endif /* ASSEMBLER */
        !            97: 
        !            98: #endif /* _PPC_TRAP_H_ */

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