1 /* $NetBSD: linux_mmap.h,v 1.2 2001/01/19 01:31:25 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Eric Haszlakiewicz and Emmanuel Dreyfus. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _POWERPC_LINUX_MMAP_H 40 #define _POWERPC_LINUX_MMAP_H 41 42 /* 43 * LINUX_PROT_* are defined in common/linux_mmap.h 44 * LINUX_MAP_SHARED/PRIVATE are defined in common/linux_mmap.h 45 */ 46 47 /* 48 * From Linux's include/asm-ppc/mman.h 49 */ 50 #define LINUX_MAP_FIXED 0x0010 51 #define LINUX_MAP_ANON 0x0020 52 53 /* Ignored */ 54 #define LINUX_MAP_NORESERVE 0x0040 55 #define LINUX_MAP_GROWSDOWN 0x0100 56 #define LINUX_MAP_DENYWRITE 0x0800 57 #define LINUX_MAP_EXECUTABLE 0x1000 58 59 /* 60 * On the PowerPC, we have a problem with the offset argument. It's 32 bit 61 * long on Linux and 64 bit long on NetBSD. Therefore we use a wrapper 62 * function linux_sys_powerpc_mmap() to linux_sys_mmap() 63 * 64 * Linux's off_t is __kernel_off_t (include/linux/types.h) which in turn 65 * is a long (include/asm-ppc/posix_types.h) 66 */ 67 #define linux_off_t long 68 69 #ifdef _KERNEL 70 __BEGIN_DECLS 71 int linux_sys_powerpc_mmap(struct proc *, void *, register_t *); 72 __END_DECLS 73 #endif /* !_KERNEL */ 74 75 #endif /* !_POWERPC_LINUX_MMAP_H */ 76