1 /* $NetBSD: netbsd32_machdep.h,v 1.2 2009/12/14 00:46:05 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@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