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/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <sys/kobj.h>
#include <sys/kobj_impl.h>
/*
* This module is used both during the normal operation of the kernel (i.e.
* after kmem has been initialized) and during boot (before unix`_start has
* been called). kobj_alloc is able to tell the difference between the two
* cases, and as such must be used instead of kmem_alloc.
*/
void
zmemcpy(uchar_t *dest, const uchar_t *source, uint_t len)
{
bcopy(source, dest, len);
}
struct zchdr {
uint_t zch_magic;
uint_t zch_size;
};
#define ZCH_MAGIC 0x3cc13cc1
/*ARGSUSED*/
void *
zcalloc(void *opaque, uint_t items, uint_t size)
{
size_t nbytes = sizeof (struct zchdr) + items * size;
struct zchdr *z = kobj_zalloc(nbytes, KM_NOWAIT|KM_TMP);
if (z == NULL)
return (NULL);
z->zch_magic = ZCH_MAGIC;
z->zch_size = nbytes;
return (z + 1);
}
/*ARGSUSED*/
void
zcfree(void *opaque, void *ptr)
{
struct zchdr *z = ((struct zchdr *)ptr) - 1;
if (z->zch_magic != ZCH_MAGIC)
panic("zcfree region corrupt: hdr=%p ptr=%p", (void *)z, ptr);
kobj_free(z, z->zch_size);
}
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