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Annotation of sys/arch/arm/include/undefined.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: undefined.h,v 1.2 2004/05/19 03:17:07 drahn Exp $     */
                      2: /*     $NetBSD: undefined.h,v 1.4 2001/12/20 01:20:23 thorpej Exp $    */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995-1996 Mark Brinicombe.
                      6:  * Copyright (c) 1995 Brini.
                      7:  * All rights reserved.
                      8:  *
                      9:  * This code is derived from software written for Brini by Mark Brinicombe
                     10:  *
                     11:  * Redistribution and use in source and binary forms, with or without
                     12:  * modification, are permitted provided that the following conditions
                     13:  * are met:
                     14:  * 1. Redistributions of source code must retain the above copyright
                     15:  *    notice, this list of conditions and the following disclaimer.
                     16:  * 2. Redistributions in binary form must reproduce the above copyright
                     17:  *    notice, this list of conditions and the following disclaimer in the
                     18:  *    documentation and/or other materials provided with the distribution.
                     19:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *     This product includes software developed by Brini.
                     22:  * 4. The name of the company nor the name of the author may be used to
                     23:  *    endorse or promote products derived from this software without specific
                     24:  *    prior written permission.
                     25:  *
                     26:  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
                     27:  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
                     28:  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     29:  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
                     30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
                     31:  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
                     32:  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     33:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     34:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     35:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     36:  * SUCH DAMAGE.
                     37:  *
                     38:  * RiscBSD kernel project
                     39:  *
                     40:  * undefined.h
                     41:  *
                     42:  * Undefined instruction types, symbols and prototypes
                     43:  *
                     44:  * Created      : 08/02/95
                     45:  */
                     46:
                     47:
                     48: #ifndef _ARM_UNDEFINED_H_
                     49: #define _ARM_UNDEFINED_H_
                     50: #ifdef _KERNEL
                     51:
                     52: #include <sys/queue.h>
                     53:
                     54: typedef int (*undef_handler_t) (unsigned int, unsigned int, trapframe_t *, int);
                     55:
                     56: #define FP_COPROC      1
                     57: #define FP_COPROC2     2
                     58: #define MAX_COPROCS    16
                     59:
                     60: /* Prototypes for undefined.c */
                     61:
                     62: void *install_coproc_handler (int, undef_handler_t);
                     63: void remove_coproc_handler (void *);
                     64: void undefined_init (void);
                     65:
                     66: /*
                     67:  * XXX Stuff below here is for use before malloc() is available.  Most code
                     68:  * shouldn't use it.
                     69:  */
                     70:
                     71: struct undefined_handler {
                     72:        LIST_ENTRY(undefined_handler) uh_link;
                     73:        undef_handler_t uh_handler;
                     74: };
                     75:
                     76: /*
                     77:  * Handlers installed using install_coproc_handler_static shouldn't be
                     78:  * removed.
                     79:  */
                     80: void install_coproc_handler_static (int, struct undefined_handler *);
                     81:
                     82: /* Calls up to undefined.c from trap handlers */
                     83: void undefinedinstruction(struct trapframe *);
                     84:
                     85: #endif
                     86:
                     87: /* End of undefined.h */
                     88:
                     89: #endif /* _ARM_UNDEFINED_H_ */