Commit 16b7be34a1
lib/libc/include/x86_64-macos-gnu/i386/param.h
@@ -0,0 +1,171 @@
+/*
+ * Copyright (c) 2000-2010 Apple 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) 1990, 1993
+ * The Regents of the University of California. All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)param.h 8.1 (Berkeley) 4/4/95
+ */
+
+/*
+ * Machine dependent constants for Intel 386.
+ */
+
+#ifndef _I386_PARAM_H_
+#define _I386_PARAM_H_
+
+#include <i386/_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 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 CLSIZE 1
+#define CLSIZELOG2 0
+
+/*
+ * 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 MSIZESHIFT 8 /* 256 */
+#define MSIZE (1 << MSIZESHIFT) /* size of an mbuf */
+#define MCLSHIFT 11 /* 2048 */
+#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */
+#define MBIGCLSHIFT 12 /* 4096 */
+#define MBIGCLBYTES (1 << MBIGCLSHIFT) /* size of a big cluster */
+#define M16KCLSHIFT 14 /* 16384 */
+#define M16KCLBYTES (1 << M16KCLSHIFT) /* size of a jumbo cluster */
+
+#define MCLOFSET (MCLBYTES - 1)
+#ifndef NMBCLUSTERS
+#define NMBCLUSTERS ((1024 * 1024) / MCLBYTES) /* cl map size: 1MB */
+#endif
+
+/*
+ * Some macros for units conversion
+ */
+/* Core clicks (NeXT_page_size bytes) to segments and vice versa */
+#define ctos(x) (x)
+#define stoc(x) (x)
+
+/* Core clicks (4096 bytes) to disk blocks */
+#define ctod(x) ((x)<<(PGSHIFT-DEV_BSHIFT))
+#define dtoc(x) ((x)>>(PGSHIFT-DEV_BSHIFT))
+#define dtob(x) ((x)<<DEV_BSHIFT)
+
+/* clicks to bytes */
+#define ctob(x) ((x)<<PGSHIFT)
+
+/* bytes to clicks */
+#define btoc(x) (((unsigned)(x)+(NBPG-1))>>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 will be if we
+ * add an entry to cdevsw/bdevsw for that purpose.
+ * For now though just use DEV_BSIZE.
+ */
+#define bdbtofsb(bn) ((bn) / (BLKDEV_IOSIZE/DEV_BSIZE))
+
+/*
+ * Macros to decode (and encode) processor status word.
+ */
+#define STATUS_WORD(rpl, ipl) (((ipl) << 8) | (rpl))
+#define USERMODE(x) (((x) & 3) == 3)
+#define BASEPRI(x) (((x) & (255 << 8)) == 0)
+
+
+#if defined(KERNEL) || defined(STANDALONE)
+#define DELAY(n) delay(n)
+
+#else /* defined(KERNEL) || defined(STANDALONE) */
+#define DELAY(n) { int N = (n); while (--N > 0); }
+#endif /* defined(KERNEL) || defined(STANDALONE) */
+
+#endif /* _I386_PARAM_H_ */
lib/libc/include/x86_64-macos-gnu/machine/param.h
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2000-2007 Apple 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 1995 NeXT Computer, Inc. All rights reserved.
+ */
+#ifndef _BSD_MACHINE_PARAM_H_
+#define _BSD_MACHINE_PARAM_H_
+
+#if defined (__i386__) || defined(__x86_64__)
+#include "i386/param.h"
+#else
+#error architecture not supported
+#endif
+
+#endif /* _BSD_MACHINE_PARAM_H_ */
lib/libc/include/x86_64-macos-gnu/sys/param.h
@@ -0,0 +1,253 @@
+/*
+ * Copyright (c) 2000 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) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
+/*-
+ * Copyright (c) 1982, 1986, 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)param.h 8.3 (Berkeley) 4/4/95
+ */
+
+#ifndef _SYS_PARAM_H_
+#define _SYS_PARAM_H_
+
+#define BSD 199506 /* System version (year & month). */
+#define BSD4_3 1
+#define BSD4_4 1
+
+#define NeXTBSD 1995064 /* NeXTBSD version (year, month, release) */
+#define NeXTBSD4_0 0 /* NeXTBSD 4.0 */
+
+#include <sys/_types.h>
+#include <sys/_types/_null.h>
+
+#ifndef LOCORE
+#include <sys/types.h>
+#endif
+
+/*
+ * Machine-independent constants (some used in following include files).
+ * Redefined constants are from POSIX 1003.1 limits file.
+ *
+ * MAXCOMLEN should be >= sizeof(ac_comm) (see <acct.h>)
+ * MAXLOGNAME should be >= UT_NAMESIZE (see <utmp.h>)
+ */
+#include <sys/syslimits.h>
+
+#define MAXCOMLEN 16 /* max command name remembered */
+#define MAXINTERP 64 /* max interpreter file name length */
+#define MAXLOGNAME 255 /* max login name length */
+#define MAXUPRC CHILD_MAX /* max simultaneous processes */
+#define NCARGS ARG_MAX /* max bytes for an exec function */
+#define NGROUPS NGROUPS_MAX /* max number groups */
+#define NOFILE 256 /* default max open files per process */
+#define NOGROUP 65535 /* marker for empty group set member */
+#define MAXHOSTNAMELEN 256 /* max hostname size */
+#define MAXDOMNAMELEN 256 /* maximum domain name length */
+
+/* Machine type dependent parameters. */
+#include <machine/param.h>
+
+/* More types and definitions used throughout the kernel. */
+#include <limits.h>
+
+/* Signals. */
+#include <sys/signal.h>
+
+/*
+ * Priorities. Note that with 32 run queues, differences less than 4 are
+ * insignificant.
+ */
+#define PSWP 0
+#define PVM 4
+#define PINOD 8
+#define PRIBIO 16
+#define PVFS 20
+#define PZERO 22 /* No longer magic, shouldn't be here. XXX */
+#define PSOCK 24
+#define PWAIT 32
+#define PLOCK 36
+#define PPAUSE 40
+#define PUSER 50
+#define MAXPRI 127 /* Priorities range from 0 through MAXPRI. */
+
+#define PRIMASK 0x0ff
+#define PCATCH 0x100 /* OR'd with pri for tsleep to check signals */
+#define PTTYBLOCK 0x200 /* for tty SIGTTOU and SIGTTIN blocking */
+#define PDROP 0x400 /* OR'd with pri to stop re-aquistion of mutex upon wakeup */
+#define PSPIN 0x800 /* OR'd with pri to require mutex in spin mode upon wakeup */
+
+#define NBPW sizeof(int) /* number of bytes per word (integer) */
+
+#define CMASK 022 /* default file mask: S_IWGRP|S_IWOTH */
+#define NODEV (dev_t)(-1) /* non-existent device */
+
+/*
+ * Clustering of hardware pages on machines with ridiculously small
+ * page sizes is done here. The paging subsystem deals with units of
+ * CLSIZE pte's describing NBPG (from machine/param.h) pages each.
+ */
+#define CLBYTES (CLSIZE*NBPG)
+#define CLOFSET (CLSIZE*NBPG-1) /* for clusters, like PGOFSET */
+#define claligned(x) ((((int)(x))&CLOFSET)==0)
+#define CLOFF CLOFSET
+#define CLSHIFT (PGSHIFT+CLSIZELOG2)
+
+#if CLSIZE == 1
+#define clbase(i) (i)
+#define clrnd(i) (i)
+#else
+/* Give the base virtual address (first of CLSIZE). */
+#define clbase(i) ((i) &~ (CLSIZE-1))
+/* Round a number of clicks up to a whole cluster. */
+#define clrnd(i) (((i) + (CLSIZE-1)) &~ (CLSIZE-1))
+#endif
+
+#define CBLOCK 64 /* Clist block size, must be a power of 2. */
+#define CBQSIZE (CBLOCK/NBBY) /* Quote bytes/cblock - can do better. */
+ /* Data chars/clist. */
+#define CBSIZE (CBLOCK - sizeof(struct cblock *) - CBQSIZE)
+#define CROUND (CBLOCK - 1) /* Clist rounding. */
+
+/*
+ * File system parameters and macros.
+ *
+ * The file system is made out of blocks of at most MAXPHYS units, with
+ * smaller units (fragments) only in the last direct block. MAXBSIZE
+ * primarily determines the size of buffers in the buffer pool. It may be
+ * made larger than MAXPHYS without any effect on existing file systems;
+ * however making it smaller may make some file systems unmountable.
+ * We set this to track the value of MAX_UPL_TRANSFER_BYTES from
+ * osfmk/mach/memory_object_types.h to bound it at the maximum UPL size.
+ */
+#define MAXBSIZE (256 * 4096)
+#define MAXPHYSIO MAXPHYS
+#define MAXFRAG 8
+
+#define MAXPHYSIO_WIRED (16 * 1024 * 1024)
+
+/*
+ * MAXPATHLEN defines the longest permissable path length after expanding
+ * symbolic links. It is used to allocate a temporary buffer from the buffer
+ * pool in which to do the name expansion, hence should be a power of two,
+ * and must be less than or equal to MAXBSIZE. MAXSYMLINKS defines the
+ * maximum number of symbolic links that may be expanded in a path name.
+ * It should be set high enough to allow all legitimate uses, but halt
+ * infinite loops reasonably quickly.
+ */
+#define MAXPATHLEN PATH_MAX
+#define MAXSYMLINKS 32
+
+/* Bit map related macros. */
+#define setbit(a, i) (((char *)(a))[(i)/NBBY] |= 1<<((i)%NBBY))
+#define clrbit(a, i) (((char *)(a))[(i)/NBBY] &= ~(1<<((i)%NBBY)))
+#define isset(a, i) (((char *)(a))[(i)/NBBY] & (1<<((i)%NBBY)))
+#define isclr(a, i) ((((char *)(a))[(i)/NBBY] & (1<<((i)%NBBY))) == 0)
+
+/* Macros for counting and rounding. */
+#ifndef howmany
+#define howmany(x, y) ((((x) % (y)) == 0) ? ((x) / (y)) : (((x) / (y)) + 1))
+#endif
+#define roundup(x, y) ((((x) % (y)) == 0) ? \
+ (x) : ((x) + ((y) - ((x) % (y)))))
+#define powerof2(x) ((((x)-1)&(x))==0)
+
+/* Macros for min/max. */
+#ifndef MIN
+#define MIN(a, b) (((a)<(b))?(a):(b))
+#endif /* MIN */
+#ifndef MAX
+#define MAX(a, b) (((a)>(b))?(a):(b))
+#endif /* MAX */
+
+/*
+ * Constants for setting the parameters of the kernel memory allocator.
+ *
+ * 2 ** MINBUCKET is the smallest unit of memory that will be
+ * allocated. It must be at least large enough to hold a pointer.
+ *
+ * Units of memory less or equal to MAXALLOCSAVE will permanently
+ * allocate physical memory; requests for these size pieces of
+ * memory are quite fast. Allocations greater than MAXALLOCSAVE must
+ * always allocate and free physical memory; requests for these
+ * size allocations should be done infrequently as they will be slow.
+ *
+ * Constraints: CLBYTES <= MAXALLOCSAVE <= 2 ** (MINBUCKET + 14), and
+ * MAXALLOCSIZE must be a power of two.
+ */
+#define MINBUCKET 4 /* 4 => min allocation of 16 bytes */
+#define MAXALLOCSAVE (2 * CLBYTES)
+
+/*
+ * Scale factor for scaled integers used to count %cpu time and load avgs.
+ *
+ * The number of CPU `tick's that map to a unique `%age' can be expressed
+ * by the formula (1 / (2 ^ (FSHIFT - 11))). The maximum load average that
+ * can be calculated (assuming 32 bits) can be closely approximated using
+ * the formula (2 ^ (2 * (16 - FSHIFT))) for (FSHIFT < 15).
+ *
+ * For the scheduler to maintain a 1:1 mapping of CPU `tick' to `%age',
+ * FSHIFT must be at least 11; this gives us a maximum load avg of ~1024.
+ */
+#define FSHIFT 11 /* bits to right of fixed binary point */
+#define FSCALE (1<<FSHIFT)
+
+#endif /* _SYS_PARAM_H_ */