param.h revision 1.1.18.2
1 1.1.18.2 jdolecek /* $NetBSD: param.h,v 1.1.18.2 2017/12/03 11:36:34 jdolecek Exp $ */ 2 1.1.18.2 jdolecek 3 1.1.18.2 jdolecek /*- 4 1.1.18.2 jdolecek * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1.18.2 jdolecek * All rights reserved. 6 1.1.18.2 jdolecek * 7 1.1.18.2 jdolecek * This code is derived from software contributed to The NetBSD Foundation 8 1.1.18.2 jdolecek * by Matt Thomas of 3am Software Foundry. 9 1.1.18.2 jdolecek * 10 1.1.18.2 jdolecek * Redistribution and use in source and binary forms, with or without 11 1.1.18.2 jdolecek * modification, are permitted provided that the following conditions 12 1.1.18.2 jdolecek * are met: 13 1.1.18.2 jdolecek * 1. Redistributions of source code must retain the above copyright 14 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer. 15 1.1.18.2 jdolecek * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.18.2 jdolecek * notice, this list of conditions and the following disclaimer in the 17 1.1.18.2 jdolecek * documentation and/or other materials provided with the distribution. 18 1.1.18.2 jdolecek * 19 1.1.18.2 jdolecek * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.18.2 jdolecek * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.18.2 jdolecek * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.18.2 jdolecek * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.18.2 jdolecek * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.18.2 jdolecek * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.18.2 jdolecek * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.18.2 jdolecek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.18.2 jdolecek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.18.2 jdolecek * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.18.2 jdolecek * POSSIBILITY OF SUCH DAMAGE. 30 1.1.18.2 jdolecek */ 31 1.1.18.2 jdolecek 32 1.1.18.2 jdolecek #ifndef _OR1K_PARAM_H_ 33 1.1.18.2 jdolecek #define _OR1K_PARAM_H_ 34 1.1.18.2 jdolecek 35 1.1.18.2 jdolecek /* 36 1.1.18.2 jdolecek * Machine dependent constants for all OpenRISC processors 37 1.1.18.2 jdolecek */ 38 1.1.18.2 jdolecek 39 1.1.18.2 jdolecek /* 40 1.1.18.2 jdolecek * For KERNEL code: 41 1.1.18.2 jdolecek * MACHINE must be defined by the individual port. This is so that 42 1.1.18.2 jdolecek * uname returns the correct thing, etc. 43 1.1.18.2 jdolecek * 44 1.1.18.2 jdolecek * For non-KERNEL code: 45 1.1.18.2 jdolecek * If ELF, MACHINE and MACHINE_ARCH are forced to "or1k/or1k". 46 1.1.18.2 jdolecek */ 47 1.1.18.2 jdolecek 48 1.1.18.2 jdolecek #define _MACHINE_ARCH or1k 49 1.1.18.2 jdolecek #define MACHINE_ARCH "or1k" 50 1.1.18.2 jdolecek #define _MACHINE or1k 51 1.1.18.2 jdolecek #define MACHINE "or1k" 52 1.1.18.2 jdolecek 53 1.1.18.2 jdolecek #define MID_MACHINE MID_OR1K 54 1.1.18.2 jdolecek 55 1.1.18.2 jdolecek /* OR1K-specific macro to align a stack pointer (downwards). */ 56 1.1.18.2 jdolecek #define STACK_ALIGNBYTES (__BIGGEST_ALIGNMENT__ - 1) 57 1.1.18.2 jdolecek #define ALIGNBYTES32 __BIGGEST_ALIGNMENT__ 58 1.1.18.2 jdolecek 59 1.1.18.2 jdolecek #define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */ 60 1.1.18.2 jdolecek #define DEV_BSIZE (1 << DEV_BSHIFT) 61 1.1.18.2 jdolecek #define BLKDEV_IOSIZE 2048 62 1.1.18.2 jdolecek 63 1.1.18.2 jdolecek #ifndef MAXPHYS 64 1.1.18.2 jdolecek #define MAXPHYS 65536 /* max I/O transfer size */ 65 1.1.18.2 jdolecek #endif 66 1.1.18.2 jdolecek 67 1.1.18.2 jdolecek #define NKMEMPAGES_MAX_DEFAULT (2048UL * 1024 * 1024) 68 1.1.18.2 jdolecek #define NKMEMPAGES_MIN_DEFAULT (128UL * 1024 * 1024) 69 1.1.18.2 jdolecek 70 1.1.18.2 jdolecek #define PGSHIFT 13 71 1.1.18.2 jdolecek #define NBPG (1 << PGSHIFT) 72 1.1.18.2 jdolecek #define PGOFSET (NBPG - 1) 73 1.1.18.2 jdolecek 74 1.1.18.2 jdolecek /* 75 1.1.18.2 jdolecek * Constants related to network buffer management. 76 1.1.18.2 jdolecek * MCLBYTES must be no larger than NBPG (the software page size), and 77 1.1.18.2 jdolecek * NBPG % MCLBYTES must be zero. 78 1.1.18.2 jdolecek */ 79 1.1.18.2 jdolecek #define MSIZE 512 /* size of an mbuf */ 80 1.1.18.2 jdolecek 81 1.1.18.2 jdolecek #ifndef MCLSHIFT 82 1.1.18.2 jdolecek #define MCLSHIFT 11 /* convert bytes to m_buf clusters */ 83 1.1.18.2 jdolecek /* 2K cluster can hold Ether frame */ 84 1.1.18.2 jdolecek #endif /* MCLSHIFT */ 85 1.1.18.2 jdolecek 86 1.1.18.2 jdolecek #define MCLBYTES (1 << MCLSHIFT) /* size of a m_buf cluster */ 87 1.1.18.2 jdolecek 88 1.1.18.2 jdolecek #ifdef _KERNEL 89 1.1.18.2 jdolecek void delay(unsigned long); 90 1.1.18.2 jdolecek #define DELAY(x) delay(x) 91 1.1.18.2 jdolecek #endif 92 1.1.18.2 jdolecek 93 1.1.18.2 jdolecek #endif /* _OR1K_PARAM_H_ */ 94
Indexes created Thu Oct 02 14:10:14 GMT 2025