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authorJeff Johnston <jjohnstn@redhat.com>2002-10-18 22:52:40 +0000
committerJeff Johnston <jjohnstn@redhat.com>2002-10-18 22:52:40 +0000
commita42cf80a9d49ee5101f3ef09b10ebe4c4094a465 (patch)
tree05be95faf936a9ee2a95446901a5e78d0f7f3836
parentf545964009beb43bb99b9bb937bb52a18e7f1bb6 (diff)
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2002-10-18 Jeff Johnston <jjohnstn@redhat.com>
* libc/sys/linux/machine/i386/include/endian.h: New file. * libc/sys/linux/machine/i386/include/param.h: Ditto.
-rw-r--r--newlib/ChangeLog5
-rw-r--r--newlib/libc/sys/linux/machine/i386/include/endian.h116
-rw-r--r--newlib/libc/sys/linux/machine/i386/include/param.h178
3 files changed, 299 insertions, 0 deletions
diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 3c1c6d0..46616f3 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,5 +1,10 @@
2002-10-18 Jeff Johnston <jjohnstn@redhat.com>
+ * libc/sys/linux/machine/i386/include/endian.h: New file.
+ * libc/sys/linux/machine/i386/include/param.h: Ditto.
+
+2002-10-18 Jeff Johnston <jjohnstn@redhat.com>
+
* libm/machine/i386/aclocal.m4: Regenerated.
* libm/machine/i386/configure: Ditto.
diff --git a/newlib/libc/sys/linux/machine/i386/include/endian.h b/newlib/libc/sys/linux/machine/i386/include/endian.h
new file mode 100644
index 0000000..aa9cd90
--- /dev/null
+++ b/newlib/libc/sys/linux/machine/i386/include/endian.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 1987, 1991 Regents of the University of California.
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * from: @(#)endian.h 7.8 (Berkeley) 4/3/91
+ * $Id$
+ */
+
+#ifndef _MACHINE_ENDIAN_H_
+#define _MACHINE_ENDIAN_H_
+
+/*
+ * Define the order of 32-bit words in 64-bit words.
+ */
+#define _QUAD_HIGHWORD 1
+#define _QUAD_LOWWORD 0
+
+/*
+ * Definitions for byte order, according to byte significance from low
+ * address to high.
+ */
+#define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
+#define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */
+#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
+
+#define BYTE_ORDER LITTLE_ENDIAN
+
+#ifndef KERNEL
+#include <sys/cdefs.h>
+#endif
+
+#include <sys/types.h>
+
+__BEGIN_DECLS
+unsigned long htonl __P((unsigned long));
+unsigned short htons __P((unsigned short));
+unsigned long ntohl __P((unsigned long));
+unsigned short ntohs __P((unsigned short));
+__END_DECLS
+
+#define __word_swap_long(x) \
+__extension__ ({ register u_long __X = (x); \
+ __asm ("rorl $16, %1" \
+ : "=r" (__X) \
+ : "0" (__X)); \
+ __X; })
+
+#if defined(KERNEL) && (defined(I486_CPU) || defined(I586_CPU) || defined(I686_CPU)) && !defined(I386_CPU)
+
+#define __byte_swap_long(x) \
+__extension__ ({ register u_long __X = (x); \
+ __asm ("bswap %0" \
+ : "=r" (__X) \
+ : "0" (__X)); \
+ __X; })
+#else
+
+#define __byte_swap_long(x) \
+__extension__ ({ register u_long __X = (x); \
+ __asm ("xchgb %h1, %b1\n\trorl $16, %1\n\txchgb %h1, %b1" \
+ : "=q" (__X) \
+ : "0" (__X)); \
+ __X; })
+#endif
+
+#define __byte_swap_word(x) \
+__extension__ ({ register u_short __X = (x); \
+ __asm ("xchgb %h1, %b1" \
+ : "=q" (__X) \
+ : "0" (__X)); \
+ __X; })
+
+/*
+ * Macros for network/external number representation conversion.
+ */
+#ifdef __GNUC__
+#define ntohl __byte_swap_long
+#define ntohs __byte_swap_word
+#define htonl __byte_swap_long
+#define htons __byte_swap_word
+#endif
+
+#define NTOHL(x) ((x) = ntohl((u_long)(x)))
+#define NTOHS(x) ((x) = ntohs((u_short)(x)))
+#define HTONL(x) ((x) = htonl((u_long)(x)))
+#define HTONS(x) ((x) = htons((u_short)(x)))
+
+#endif /* !_MACHINE_ENDIAN_H_ */
diff --git a/newlib/libc/sys/linux/machine/i386/include/param.h b/newlib/libc/sys/linux/machine/i386/include/param.h
new file mode 100644
index 0000000..fbe1be2
--- /dev/null
+++ b/newlib/libc/sys/linux/machine/i386/include/param.h
@@ -0,0 +1,178 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ * from: @(#)param.h 5.8 (Berkeley) 6/28/91
+ * $FreeBSD: src/sys/i386/include/param.h,v 1.62 2001/09/12 08:37:33 julian Exp $
+ */
+
+/*
+ * Machine dependent constants for Intel 386.
+ */
+
+#ifndef _MACHINE_PARAM_H_
+#define _MACHINE_PARAM_H_
+
+#ifndef MACHINE
+#define MACHINE "i386"
+#endif
+#ifndef MACHINE_ARCH
+#define MACHINE_ARCH "i386"
+#endif
+#define MID_MACHINE MID_I386
+
+/* Endian-ness */
+#ifndef BIG_ENDIAN
+#define BIG_ENDIAN 4321
+#endif
+#ifndef LITTLE_ENDIAN
+#define LITTLE_ENDIAN 1234
+#endif
+
+#define BYTE_ORDER LITTLE_ENDIAN
+
+/*
+ * OBJFORMAT_NAMES is a comma-separated list of the object formats
+ * that are supported on the architecture.
+ */
+#define OBJFORMAT_NAMES "elf", "aout"
+#define OBJFORMAT_DEFAULT "elf"
+
+#define MAXHOSTNAMELEN 64
+
+#ifdef SMP
+#define MAXCPU 16
+#else
+#define MAXCPU 1
+#endif /* SMP */
+
+#define ALIGNBYTES _ALIGNBYTES
+#define ALIGN(p) _ALIGN(p)
+
+#define NPTEPG (PAGE_SIZE/(sizeof (pt_entry_t)))
+
+#define NPDEPG (PAGE_SIZE/(sizeof (pd_entry_t)))
+#define PDRSHIFT 22 /* LOG2(NBPDR) */
+#define NBPDR (1<<PDRSHIFT) /* bytes/page dir */
+#define PDRMASK (NBPDR-1)
+
+#define DEV_BSHIFT 9 /* log2(DEV_BSIZE) */
+#define DEV_BSIZE (1<<DEV_BSHIFT)
+
+#ifndef BLKDEV_IOSIZE
+#define BLKDEV_IOSIZE PAGE_SIZE /* default block device I/O size */
+#endif
+#define DFLTPHYS (64 * 1024) /* default max raw I/O transfer size */
+#define MAXPHYS (128 * 1024) /* max raw I/O transfer size */
+#define MAXDUMPPGS (DFLTPHYS/PAGE_SIZE)
+
+#define IOPAGES 2 /* pages of i/o permission bitmap */
+
+#ifndef KSTACK_PAGES
+#define KSTACK_PAGES 2 /* Includes pcb! */
+#endif
+#define UAREA_PAGES 1 /* holds struct user WITHOUT PCB (see def.) */
+
+#define KSTACK_GUARD /* compile in the kstack guard page */
+
+/*
+ * Ceiling on amount of swblock kva space.
+ */
+#ifndef VM_SWZONE_SIZE_MAX
+#define VM_SWZONE_SIZE_MAX (70 * 1024 * 1024)
+#endif
+
+/*
+ * Ceiling on size of buffer cache (really only effects write queueing,
+ * the VM page cache is not effected).
+ */
+#ifndef VM_BCACHE_SIZE_MAX
+#define VM_BCACHE_SIZE_MAX (200 * 1024 * 1024)
+#endif
+
+
+/*
+ * Constants related to network buffer management.
+ * MCLBYTES must be no larger than PAGE_SIZE.
+ */
+#ifndef MSIZE
+#define MSIZE 256 /* size of an mbuf */
+#endif /* MSIZE */
+
+#ifndef MCLSHIFT
+#define MCLSHIFT 11 /* convert bytes to mbuf clusters */
+#endif /* MCLSHIFT */
+#define MCLBYTES (1 << MCLSHIFT) /* size of an mbuf cluster */
+
+/*
+ * Some macros for units conversion
+ */
+
+/* clicks to bytes */
+#define ctob(x) ((x)<<PAGE_SHIFT)
+
+/* bytes to clicks */
+#define btoc(x) (((unsigned)(x)+PAGE_MASK)>>PAGE_SHIFT)
+
+/*
+ * btodb() is messy and perhaps slow because `bytes' may be an off_t. We
+ * want to shift an unsigned type to avoid sign extension and we don't
+ * want to widen `bytes' unnecessarily. Assume that the result fits in
+ * a daddr_t.
+ */
+#define btodb(bytes) /* calculates (bytes / DEV_BSIZE) */ \
+ (sizeof (bytes) > sizeof(long) \
+ ? (daddr_t)((unsigned long long)(bytes) >> DEV_BSHIFT) \
+ : (daddr_t)((unsigned long)(bytes) >> DEV_BSHIFT))
+
+#define dbtob(db) /* calculates (db * DEV_BSIZE) */ \
+ ((off_t)(db) << DEV_BSHIFT)
+
+/*
+ * Mach derived conversion macros
+ */
+#define trunc_page(x) ((x) & ~PAGE_MASK)
+#define round_page(x) (((x) + PAGE_MASK) & ~PAGE_MASK)
+#define trunc_4mpage(x) ((unsigned)(x) & ~PDRMASK)
+#define round_4mpage(x) ((((unsigned)(x)) + PDRMASK) & ~PDRMASK)
+
+#define atop(x) ((unsigned)(x) >> PAGE_SHIFT)
+#define ptoa(x) ((unsigned)(x) << PAGE_SHIFT)
+
+#define i386_btop(x) ((unsigned)(x) >> PAGE_SHIFT)
+#define i386_ptob(x) ((unsigned)(x) << PAGE_SHIFT)
+
+#define pgtok(x) ((x) * (PAGE_SIZE / 1024))
+
+#endif /* !_MACHINE_PARAM_H_ */