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/*
* This module derived from code donated to the FreeBSD Project by
* Matthew Dillon <dillon@backplane.com>
*
* Copyright (c) 1998 The FreeBSD Project
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* DEFS.H
*/
#define USEGUARD /* use stard/end guard bytes */
#define USEENDGUARD
#define DMALLOCDEBUG /* add debugging code to gather stats */
#define ZALLOCDEBUG
#include <sys/stdint.h>
#include "stand.h"
#include "zalloc_mem.h"
#define Library extern
/*
* block extension for sbrk()
*/
#define BLKEXTEND (4 * 1024)
#define BLKEXTENDMASK (BLKEXTEND - 1)
/*
* Required malloc alignment.
*
* Embedded platforms using the u-boot API drivers require that all I/O buffers
* be on a cache line sized boundary. The worst case size for that is 64 bytes.
* For other platforms, 16 bytes works fine. The alignment also must be at
* least sizeof(struct MemNode); this is asserted in zalloc.c.
*/
#if defined(__arm__) || defined(__mips__) || defined(__powerpc__)
#define MALLOCALIGN 64
#else
#define MALLOCALIGN 16
#endif
#define MALLOCALIGN_MASK (MALLOCALIGN - 1)
typedef struct Guard {
size_t ga_Bytes;
size_t ga_Magic; /* must be at least 32 bits */
} Guard;
#define GAMAGIC 0x55FF44FD
#define GAFREE 0x5F54F4DF
#include "zalloc_protos.h"
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