/* $NetBSD: netbsd32_machdep.h,v 1.7 2021/05/23 23:24:45 mrg Exp $ */

/* $NetBSD: netbsd32_machdep.h,v 1.7 2021/05/23 23:24:45 mrg Exp $ */

/*-
* Copyright (c) 2009 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas <[email protected]>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _MACHINE_NETBSD32_H_
#define _MACHINE_NETBSD32_H_

#include <sys/types.h>

/*
* On MIPS, pointers are signed.
*/
#define NETBSD32_POINTER_TYPE int32_t
typedef struct { NETBSD32_POINTER_TYPE i32; } netbsd32_pointer_t;

#define NETBSD32_INT64_ALIGN

typedef netbsd32_pointer_t netbsd32_sigcontextp_t;

/* Support varying ABI names for netbsd32/ABI */
extern const char machine_archo32[];
#if defined(__mips_n64)
extern const char machine_archn32[];
#define PROC_MACHINE_ARCH32(P) ((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
__UNCONST(machine_archo32) : ((P)->p_md.md_abi == _MIPS_BSD_API_N32) ? \
__UNCONST(machine_archn32) : machine_arch
#else
#define PROC_MACHINE_ARCH32(P) ((P)->p_md.md_abi == _MIPS_BSD_API_O32) ? \
__UNCONST(machine_archo32) : machine_arch
#endif

/*
* The sigcode is ABI neutral.
*/
#define netbsd32_sigcode sigcode
#define netbsd32_esigcode esigcode

/*
* Note: syscall_intern and setregs do not care about COMPAT_NETBSD32.
*/
#define netbsd32_syscall_intern syscall_intern
#define netbsd32_setregs setregs

/* <mips/sysarch.h> */
struct mips_cacheflush_args32 {
netbsd32_intptr_t va;
netbsd32_size_t nbytes;
int whichcache;
};

struct mips_cachectl_args32 {
netbsd32_intptr_t va;
netbsd32_size_t nbytes;
int ctl;
};

#endif /* _MACHINE_NETBSD32_H_ */