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@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