1445c6d20SDavid E. O'Brien /*- 2df57947fSPedro F. Giffuni * SPDX-License-Identifier: BSD-4-Clause 3df57947fSPedro F. Giffuni * 4445c6d20SDavid E. O'Brien * Copyright (c) 2001 David E. O'Brien 5445c6d20SDavid E. O'Brien * Copyright (c) 1990 The Regents of the University of California. 6445c6d20SDavid E. O'Brien * All rights reserved. 7445c6d20SDavid E. O'Brien * 8445c6d20SDavid E. O'Brien * This code is derived from software contributed to Berkeley by 9445c6d20SDavid E. O'Brien * William Jolitz. 10445c6d20SDavid E. O'Brien * 11445c6d20SDavid E. O'Brien * Redistribution and use in source and binary forms, with or without 12445c6d20SDavid E. O'Brien * modification, are permitted provided that the following conditions 13445c6d20SDavid E. O'Brien * are met: 14445c6d20SDavid E. O'Brien * 1. Redistributions of source code must retain the above copyright 15445c6d20SDavid E. O'Brien * notice, this list of conditions and the following disclaimer. 16445c6d20SDavid E. O'Brien * 2. Redistributions in binary form must reproduce the above copyright 17445c6d20SDavid E. O'Brien * notice, this list of conditions and the following disclaimer in the 18445c6d20SDavid E. O'Brien * documentation and/or other materials provided with the distribution. 19445c6d20SDavid E. O'Brien * 3. All advertising materials mentioning features or use of this software 20445c6d20SDavid E. O'Brien * must display the following acknowledgement: 21445c6d20SDavid E. O'Brien * This product includes software developed by the University of 22445c6d20SDavid E. O'Brien * California, Berkeley and its contributors. 23445c6d20SDavid E. O'Brien * 4. Neither the name of the University nor the names of its contributors 24445c6d20SDavid E. O'Brien * may be used to endorse or promote products derived from this software 25445c6d20SDavid E. O'Brien * without specific prior written permission. 26445c6d20SDavid E. O'Brien * 27445c6d20SDavid E. O'Brien * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28445c6d20SDavid E. O'Brien * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29445c6d20SDavid E. O'Brien * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30445c6d20SDavid E. O'Brien * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31445c6d20SDavid E. O'Brien * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32445c6d20SDavid E. O'Brien * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33445c6d20SDavid E. O'Brien * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34445c6d20SDavid E. O'Brien * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35445c6d20SDavid E. O'Brien * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36445c6d20SDavid E. O'Brien * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37445c6d20SDavid E. O'Brien * SUCH DAMAGE. 38445c6d20SDavid E. O'Brien * 39445c6d20SDavid E. O'Brien * from: @(#)param.h 5.8 (Berkeley) 6/28/91 40445c6d20SDavid E. O'Brien * $FreeBSD$ 41445c6d20SDavid E. O'Brien */ 42445c6d20SDavid E. O'Brien 43a254d1f1SPoul-Henning Kamp #ifndef _POWERPC_INCLUDE_PARAM_H_ 44a254d1f1SPoul-Henning Kamp #define _POWERPC_INCLUDE_PARAM_H_ 45a254d1f1SPoul-Henning Kamp 46445c6d20SDavid E. O'Brien /* 47c3e289e1SNathan Whitehorn * Machine dependent constants for PowerPC 48445c6d20SDavid E. O'Brien */ 49445c6d20SDavid E. O'Brien 50a254d1f1SPoul-Henning Kamp #include <machine/_align.h> 51445c6d20SDavid E. O'Brien 5294b4a038SNathan Whitehorn /* Needed to display interrupts on OFW PCI */ 5394b4a038SNathan Whitehorn #define __PCI_REROUTE_INTERRUPT 5494b4a038SNathan Whitehorn 55445c6d20SDavid E. O'Brien #ifndef MACHINE 56445c6d20SDavid E. O'Brien #define MACHINE "powerpc" 57445c6d20SDavid E. O'Brien #endif 58445c6d20SDavid E. O'Brien #ifndef MACHINE_ARCH 59c3e289e1SNathan Whitehorn #ifdef __powerpc64__ 60c3e289e1SNathan Whitehorn #define MACHINE_ARCH "powerpc64" 61c3e289e1SNathan Whitehorn #else 62dc9b124dSJustin Hibbits #ifdef __SPE__ 63dc9b124dSJustin Hibbits #define MACHINE_ARCH "powerpcspe" 64dc9b124dSJustin Hibbits #else 65445c6d20SDavid E. O'Brien #define MACHINE_ARCH "powerpc" 66445c6d20SDavid E. O'Brien #endif 67c3e289e1SNathan Whitehorn #endif 68dc9b124dSJustin Hibbits #endif 69445c6d20SDavid E. O'Brien #define MID_MACHINE MID_POWERPC 7087d45a03SKonstantin Belousov #ifdef __powerpc64__ 7187d45a03SKonstantin Belousov #ifndef MACHINE_ARCH32 7287d45a03SKonstantin Belousov #define MACHINE_ARCH32 "powerpc" 7387d45a03SKonstantin Belousov #endif 7487d45a03SKonstantin Belousov #endif 75445c6d20SDavid E. O'Brien 76c3d326fdSMark Johnston #ifdef SMP 7768b739cdSAttilio Rao #ifndef MAXCPU 783bdf3d85SNathan Whitehorn #define MAXCPU 256 7968b739cdSAttilio Rao #endif 80445c6d20SDavid E. O'Brien #else 81445c6d20SDavid E. O'Brien #define MAXCPU 1 82c3d326fdSMark Johnston #endif 83445c6d20SDavid E. O'Brien 84941646f5SAttilio Rao #ifndef MAXMEMDOM 8549d9a597SJustin Hibbits #define MAXMEMDOM 8 86941646f5SAttilio Rao #endif 87941646f5SAttilio Rao 88445c6d20SDavid E. O'Brien #define ALIGNBYTES _ALIGNBYTES 89445c6d20SDavid E. O'Brien #define ALIGN(p) _ALIGN(p) 908c393fd1SSam Leffler /* 918c393fd1SSam Leffler * ALIGNED_POINTER is a boolean macro that checks whether an address 928c393fd1SSam Leffler * is valid to fetch data elements of type t from on this architecture. 938c393fd1SSam Leffler * This does not reflect the optimal alignment, just the possibility 948c393fd1SSam Leffler * (within reasonable limits). 958c393fd1SSam Leffler */ 96c3e289e1SNathan Whitehorn #define ALIGNED_POINTER(p, t) ((((uintptr_t)(p)) & (sizeof (t) - 1)) == 0) 97445c6d20SDavid E. O'Brien 9822037b2dSRobert Watson /* 9922037b2dSRobert Watson * CACHE_LINE_SIZE is the compile-time maximum cache line size for an 10022037b2dSRobert Watson * architecture. It should be used with appropriate caution. 10122037b2dSRobert Watson */ 102a93fa8f2SRobert Watson #define CACHE_LINE_SHIFT 7 103a93fa8f2SRobert Watson #define CACHE_LINE_SIZE (1 << CACHE_LINE_SHIFT) 104a93fa8f2SRobert Watson 105445c6d20SDavid E. O'Brien #define PAGE_SHIFT 12 1066793e5b2SJustin Hibbits #define PAGE_SIZE (1 << PAGE_SHIFT) /* Page size */ 107b3936ebeSJustin Hibbits #define PAGE_MASK (PAGE_SIZE - 1) 108445c6d20SDavid E. O'Brien #define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t))) 109445c6d20SDavid E. O'Brien 110fe105d45SAlan Cox #define MAXPAGESIZES 1 /* maximum number of supported page sizes */ 111fe105d45SAlan Cox 1129411e24dSBrandon Bergren #define RELOCATABLE_KERNEL 1 /* kernel may relocate during startup */ 1139411e24dSBrandon Bergren 114ad7a226fSPeter Wemm #ifndef KSTACK_PAGES 11599003fc6SJustin Hibbits #ifdef __powerpc64__ 11699003fc6SJustin Hibbits #define KSTACK_PAGES 8 /* includes pcb */ 11799003fc6SJustin Hibbits #else 1181bea62adSJustin Hibbits #define KSTACK_PAGES 4 /* includes pcb */ 11999003fc6SJustin Hibbits #endif 1205fd2c51eSMark Peek #endif 121ad7a226fSPeter Wemm #define KSTACK_GUARD_PAGES 1 /* pages of kstack guard; 0 disables */ 122edc82223SKonstantin Belousov #define USPACE (kstack_pages * PAGE_SIZE) /* total size of pcb */ 123445c6d20SDavid E. O'Brien 124445c6d20SDavid E. O'Brien /* 125445c6d20SDavid E. O'Brien * Mach derived conversion macros 126445c6d20SDavid E. O'Brien */ 127b3936ebeSJustin Hibbits #define trunc_page(x) ((x) & ~(PAGE_MASK)) 128445c6d20SDavid E. O'Brien #define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK) 129445c6d20SDavid E. O'Brien 130b3936ebeSJustin Hibbits #define atop(x) ((x) >> PAGE_SHIFT) 131b3936ebeSJustin Hibbits #define ptoa(x) ((x) << PAGE_SHIFT) 132445c6d20SDavid E. O'Brien 133b3936ebeSJustin Hibbits #define powerpc_btop(x) ((x) >> PAGE_SHIFT) 134b3936ebeSJustin Hibbits #define powerpc_ptob(x) ((x) << PAGE_SHIFT) 135445c6d20SDavid E. O'Brien 136c3e289e1SNathan Whitehorn #define pgtok(x) ((x) * (PAGE_SIZE / 1024UL)) 137445c6d20SDavid E. O'Brien 138b3936ebeSJustin Hibbits #define btoc(x) ((vm_offset_t)(((x)+PAGE_MASK)>>PAGE_SHIFT)) 139b3936ebeSJustin Hibbits 140a254d1f1SPoul-Henning Kamp #endif /* !_POWERPC_INCLUDE_PARAM_H_ */ 141