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netbsd32_machdep.h revision 1.1.2.1 
      1 /*	$NetBSD: netbsd32_machdep.h,v 1.1.2.1 2009/09/12 17:21:52 matt Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2009 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Matt Thomas <matt (at) 3am-software.com>.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _MACHINE_NETBSD32_H_
     33 #define _MACHINE_NETBSD32_H_
     34 
     35 #include <sys/types.h>
     36 
     37 /*
     38  * On MIPS, pointers are signed.
     39  */
     40 #define	NETBSD32_POINTER_TYPE			int32_t
     41 typedef struct { NETBSD32_POINTER_TYPE i32; }	netbsd32_pointer_t;
     42 
     43 #define NETBSD32_INT64_ALIGN
     44 
     45 typedef netbsd32_pointer_t			netbsd32_sigcontextp_t;
     46 
     47 /*
     48  * The sigcode is ABI neutral.
     49  */
     50 #define	netbsd32_sigcode			sigcode
     51 #define	netbsd32_esigcode			esigcode
     52 
     53 /*
     54  * cpu_upcall knows about COMPAT_NETBSD32
     55  * syscall_intern and setregs don't about COMPAT_NETBSD32.
     56  */
     57 #define	netbsd32_syscall_intern			syscall_intern
     58 #define	netbsd32_setregs			setregs
     59 #define	netbsd32_cpu_upcall			cpu_upcall
     60 
     61 /* <mips/sysarch.h> */
     62 struct mips_cacheflush_args32 {
     63 	netbsd32_intptr_t va;
     64 	netbsd32_size_t nbytes;
     65 	int whichcache;
     66 };
     67 
     68 struct mips_cachectl_args32 {
     69 	netbsd32_intptr_t va;
     70 	netbsd32_size_t nbytes;
     71 	int ctl;
     72 };
     73 
     74 /* <mips/frame.h> */
     75 struct saframe32 {
     76 	/* first 4 arguments passed in registers on entry to upcallcode */
     77 	int			sa_type;	/* A0 */
     78 	netbsd32_pointer_t	sa_sas;		/* A1 */
     79 	int			sa_events;	/* A2 */
     80 	int			sa_interrupted;	/* A3 */
     81 	netbsd32_pointer_t 	sa_arg;
     82 	netbsd32_pointer_t	sa_upcall;
     83 };
     84 
     85 #endif /* _MACHINE_NETBSD32_H_ */
     86