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      1 /*	$NetBSD: netbsd32_machdep.h,v 1.7 2021/05/23 23:24:45 mrg 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 /* Support varying ABI names for netbsd32/ABI */
     48 extern const char machine_archo32[];
     49 #if defined(__mips_n64)
     50 extern const char machine_archn32[];
     51 #define	PROC_MACHINE_ARCH32(P)	((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
     52 	__UNCONST(machine_archo32) : ((P)->p_md.md_abi == _MIPS_BSD_API_N32) ? \
     53 	__UNCONST(machine_archn32) : machine_arch
     54 #else
     55 #define	PROC_MACHINE_ARCH32(P)	((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
     56 	__UNCONST(machine_archo32) : machine_arch
     57 #endif
     58 
     59 /*
     60  * The sigcode is ABI neutral.
     61  */
     62 #define	netbsd32_sigcode			sigcode
     63 #define	netbsd32_esigcode			esigcode
     64 
     65 /*
     66  * Note: syscall_intern and setregs do not care about COMPAT_NETBSD32.
     67  */
     68 #define	netbsd32_syscall_intern			syscall_intern
     69 #define	netbsd32_setregs			setregs
     70 
     71 /* <mips/sysarch.h> */
     72 struct mips_cacheflush_args32 {
     73 	netbsd32_intptr_t va;
     74 	netbsd32_size_t nbytes;
     75 	int whichcache;
     76 };
     77 
     78 struct mips_cachectl_args32 {
     79 	netbsd32_intptr_t va;
     80 	netbsd32_size_t nbytes;
     81 	int ctl;
     82 };
     83 
     84 #endif /* _MACHINE_NETBSD32_H_ */
     85