1*e740fa6eSjsg /* $OpenBSD: param.h,v 1.6 2024/10/21 22:55:52 jsg Exp $ */ 2380aa7b9Sjsg 3baed8f06Sdrahn /*- 4baed8f06Sdrahn * Copyright (c) 1990 The Regents of the University of California. 5baed8f06Sdrahn * All rights reserved. 6baed8f06Sdrahn * 7baed8f06Sdrahn * This code is derived from software contributed to Berkeley by 8baed8f06Sdrahn * William Jolitz. 9baed8f06Sdrahn * 10baed8f06Sdrahn * Redistribution and use in source and binary forms, with or without 11baed8f06Sdrahn * modification, are permitted provided that the following conditions 12baed8f06Sdrahn * are met: 13baed8f06Sdrahn * 1. Redistributions of source code must retain the above copyright 14baed8f06Sdrahn * notice, this list of conditions and the following disclaimer. 15baed8f06Sdrahn * 2. Redistributions in binary form must reproduce the above copyright 16baed8f06Sdrahn * notice, this list of conditions and the following disclaimer in the 17baed8f06Sdrahn * documentation and/or other materials provided with the distribution. 18baed8f06Sdrahn * 3. Neither the name of the University nor the names of its contributors 19baed8f06Sdrahn * may be used to endorse or promote products derived from this software 20baed8f06Sdrahn * without specific prior written permission. 21baed8f06Sdrahn * 22baed8f06Sdrahn * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23baed8f06Sdrahn * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24baed8f06Sdrahn * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25baed8f06Sdrahn * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26baed8f06Sdrahn * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27baed8f06Sdrahn * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28baed8f06Sdrahn * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29baed8f06Sdrahn * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30baed8f06Sdrahn * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31baed8f06Sdrahn * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32baed8f06Sdrahn * SUCH DAMAGE. 33baed8f06Sdrahn */ 34baed8f06Sdrahn 35baed8f06Sdrahn #ifndef _MACHINE_PARAM_H_ 36baed8f06Sdrahn #define _MACHINE_PARAM_H_ 37baed8f06Sdrahn 38baed8f06Sdrahn #ifdef _KERNEL 39baed8f06Sdrahn #ifndef _LOCORE 40baed8f06Sdrahn #include <machine/cpu.h> 41baed8f06Sdrahn #endif 42baed8f06Sdrahn #endif 43baed8f06Sdrahn 44baed8f06Sdrahn #define _MACHINE riscv64 45baed8f06Sdrahn #define MACHINE "riscv64" 46*e740fa6eSjsg #define _MACHINE_ARCH riscv64 47baed8f06Sdrahn #define MACHINE_ARCH "riscv64" 48baed8f06Sdrahn #define MID_MACHINE MID_RISCV64 49baed8f06Sdrahn 50baed8f06Sdrahn #define PAGE_SHIFT 12 51baed8f06Sdrahn #define PAGE_SIZE (1 << PAGE_SHIFT) 52baed8f06Sdrahn #define PAGE_MASK (PAGE_SIZE - 1) 53baed8f06Sdrahn 54baed8f06Sdrahn #ifdef _KERNEL 55baed8f06Sdrahn 56baed8f06Sdrahn #define NBPG PAGE_SIZE /* bytes/page */ 57baed8f06Sdrahn #define PGSHIFT PAGE_SHIFT /* LOG2(PAGE_SIZE) */ 58baed8f06Sdrahn #define PGOFSET PAGE_MASK /* byte offset into page */ 59baed8f06Sdrahn 6072024cb9Sderaadt #define UPAGES 5 /* pages of u-area */ 6172024cb9Sderaadt #define USPACE (UPAGES * PAGE_SIZE) /* total size of u-area */ 6272024cb9Sderaadt #define USPACE_ALIGN 0 /* u-area alignment 0-none */ 63baed8f06Sdrahn 6472024cb9Sderaadt #define NMBCLUSTERS (64 * 1024) /* max cluster allocation */ 65baed8f06Sdrahn 66baed8f06Sdrahn #ifndef MSGBUFSIZE 6772024cb9Sderaadt #define MSGBUFSIZE (16 * PAGE_SIZE) /* default message buffer size */ 68baed8f06Sdrahn #endif 69baed8f06Sdrahn 70baed8f06Sdrahn #define STACKALIGNBYTES (16 - 1) 71baed8f06Sdrahn #define STACKALIGN(p) ((u_long)(p) &~ STACKALIGNBYTES) 72baed8f06Sdrahn 73baed8f06Sdrahn #define __HAVE_FDT 74baed8f06Sdrahn 75baed8f06Sdrahn #endif /* _KERNEL */ 76baed8f06Sdrahn 77baed8f06Sdrahn #endif /* _MACHINE_PARAM_H_ */ 78