1 /* $NetBSD: netbsd32_machdep.h,v 1.19 2005/12/11 12:19:10 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 23 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 25 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _MACHINE_NETBSD32_H_ 32 #define _MACHINE_NETBSD32_H_ 33 34 #include <sys/types.h> 35 36 struct proc; 37 38 typedef u_int32_t netbsd32_pointer_t; 39 40 /* 41 * Convert a pointer in the 32-bit world to a valid 64-bit pointer. 42 */ 43 #define NETBSD32PTR64(p32) ((void *)(u_long)(u_int)(p32)) 44 45 /* from <arch/sparc/include/signal.h> */ 46 typedef u_int32_t netbsd32_sigcontextp_t; 47 48 struct netbsd32_sigcontext { 49 int sc_onstack; /* sigstack state to restore */ 50 int __sc_mask13; /* signal mask to restore (old style) */ 51 /* begin machine dependent portion */ 52 int sc_sp; /* %sp to restore */ 53 int sc_pc; /* pc to restore */ 54 int sc_npc; /* npc to restore */ 55 int sc_psr; /* pstate to restore */ 56 int sc_g1; /* %g1 to restore */ 57 int sc_o0; /* %o0 to restore */ 58 sigset_t sc_mask; /* signal mask to restore (new style) */ 59 }; 60 61 struct netbsd32_sigcontext13 { 62 int sc_onstack; /* sigstack state to restore */ 63 int sc_mask; /* signal mask to restore (old style) */ 64 /* begin machine dependent portion */ 65 int sc_sp; /* %sp to restore */ 66 int sc_pc; /* pc to restore */ 67 int sc_npc; /* npc to restore */ 68 int sc_psr; /* pstate to restore */ 69 int sc_g1; /* %g1 to restore */ 70 int sc_o0; /* %o0 to restore */ 71 }; 72 73 /* 74 * Need to plug into get sparc specific ioctl's. 75 */ 76 #define NETBSD32_MD_IOCTL /* enable netbsd32_md_ioctl() */ 77 int netbsd32_md_ioctl(struct file *, netbsd32_u_long, void *, struct lwp *); 78 79 #define NETBSD32_MID_MACHINE MID_SPARC 80 81 /* 82 * When returning an off_t to userland, we need to modify the syscall 83 * retval array. We return a 64 bit value in %o0 (high) and %o1 (low) 84 * for 32bit userland. 85 */ 86 #define NETBSD32_OFF_T_RETURN(RV) \ 87 do { \ 88 (RV)[1] = (RV)[0]; \ 89 (RV)[0] >>= 32; \ 90 } while (0) 91 92 #endif /* _MACHINE_NETBSD32_H_ */ 93