+++ /dev/null
-/*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the License
- * may not be used to create, or enable the creation or redistribution of,
- * unlawful or unlicensed copies of an Apple operating system, or to
- * circumvent, violate, or enable the circumvention or violation of, any
- * terms of an Apple operating system software license agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
- *
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
- */
-/* Copyright (c) 1993,1995 NeXT Computer, Inc. All Rights Reserved */
-
-#ifndef _PPC_PARAM_H_
-#define _PPC_PARAM_H_
-
-#include <ppc/_param.h>
-
-/*
- * Round p (pointer or byte index) up to a correctly-aligned value for all
- * data types (int, long, ...). The result is unsigned int and must be
- * cast to any desired pointer type.
- */
-#define ALIGNBYTES __DARWIN_ALIGNBYTES
-#define ALIGN(p) __DARWIN_ALIGN(p)
-
-#define NBPG 4096 /* bytes/page */
-#define PGOFSET (NBPG-1) /* byte offset into page */
-#define PGSHIFT 12 /* LOG2(NBPG) */
-
-#define NBSEG 0x40000000 /* bytes/segment (quadrant) */
-#define SEGOFSET (NBSEG-1) /* byte offset into segment */
-#define SEGSHIFT 30 /* LOG2(NBSEG) */
-
-#define DEV_BSIZE 512
-#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
-#define BLKDEV_IOSIZE 2048
-#define MAXPHYS (128 * 1024) /* max raw I/O transfer size */
-
-#define STACK_GROWTH_UP 0 /* stack grows to lower addresses */
-
-#define CLSIZE 1
-#define CLSIZELOG2 0
-
-#define STACKSIZE 4 /* pages in kernel stack */
-#define UPAGES 0 /* total pages in u-area */
- /* red zone is beyond this */
-
-/*
- * Constants related to network buffer management.
- * MCLBYTES must be no larger than CLBYTES (the software page size), and,
- * on machines that exchange pages of input or output buffers with mbuf
- * clusters (MAPPED_MBUFS), MCLBYTES must also be an integral multiple
- * of the hardware page size.
- */
-#define MSIZE 256 /* size of an mbuf */
-#define MCLBYTES 2048 /* large enough for ether MTU */
-#define MCLSHIFT 11
-#define MCLOFSET (MCLBYTES - 1)
-#ifndef NMBCLUSTERS
-#if GATEWAY
-#define NMBCLUSTERS ((1024 * 1024) / MCLBYTES) /* cl map size: 1MB */
-#else
-#define NMBCLUSTERS ((1024 * 1024) / MCLBYTES)
- /* cl map size was 0.5MB when MSIZE was 128, now it's 1MB*/
-#endif
-#endif
-
-/* pages ("clicks") (NBPG bytes) to disk blocks */
-#define ctod(x) ((x)<<(PGSHIFT-DEV_BSHIFT))
-#define dtoc(x) ((x)>>(PGSHIFT-DEV_BSHIFT))
-#define dtob(x) ((x)<<DEV_BSHIFT)
-
-/* pages to bytes */
-#define ctob(x) ((x)<<PGSHIFT)
-
-/* bytes to pages */
-#define btoc(x) (((unsigned)(x)+(PGOFSET))>>PGSHIFT)
-#ifdef __APPLE__
-#define btodb(bytes, devBlockSize) \
- ((unsigned)(bytes) / devBlockSize)
-#define dbtob(db, devBlockSize) \
- ((unsigned)(db) * devBlockSize)
-#else
-#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \
- ((unsigned)(bytes) >> DEV_BSHIFT)
-#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \
- ((unsigned)(db) << DEV_BSHIFT)
-#endif
-
-/*
- * Map a ``block device block'' to a file system block.
- * This should be device dependent, and should use the bsize
- * field from the disk label.
- * For now though just use DEV_BSIZE.
- */
-#define bdbtofsb(bn) ((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))
-
-/* from machdep/ppc/proc_reg.h */
-#ifdef __BIG_ENDIAN__
-#define ENDIAN_MASK(val,size) (1 << (size-1 - val))
-#else
-#error code not ported to little endian targets yet
-#endif /* __BIG_ENDIAN__ */
-
-#ifndef MASK
-#define MASK(PART) ENDIAN_MASK(PART ## _BIT, 32)
-#endif
-
-#define MSR_EE_BIT 16
-#define MSR_PR_BIT 17
-#define USERMODE(msr) (msr & MASK(MSR_PR) ? TRUE : FALSE)
-#define BASEPRI(msr) (msr & MASK(MSR_EE) ? TRUE : FALSE)
-/* end of from proc_reg.h */
-
-#if defined(KERNEL) || defined(STANDALONE)
-#define DELAY(n) delay(n)
-#else
-#define DELAY(n) { register int N = (n); while (--N > 0); }
-#endif /* defined(KERNEL) || defined(STANDALONE) */
-
-#define NPIDS 16 /* maximum number of PIDs per process */
-#define NIOPIDS 8 /* maximum number of IO space PIDs */
-
-#endif /* _PPC_PARAM_H_ */
projects / apple / xnu.git / blobdiff