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/*
* Copyright (c) 1995 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Author: Bryan Ford, University of Utah CSL
*/
#include <mach/machine/vm_types.h>
#include <mach/lmm.h>
#include <malloc.h>
#include "vm_param.h"
#include "phys_mem.h"
/* Note that this routine takes _physical_ addresses, not virtual. */
void phys_mem_add(vm_offset_t min, vm_size_t size)
{
vm_offset_t max = min + size;
/* Add the memory region with the proper flags and priority. */
if (max <= 1*1024*1024)
{
lmm_add(&malloc_lmm, phystokv(min), size,
LMMF_1MB | LMMF_16MB, LMM_PRI_1MB);
}
else
{
if (min < 16*1024*1024)
{
vm_offset_t nmax = max;
if (nmax > 16*1024*1024) nmax = 16*1024*1024;
lmm_add(&malloc_lmm, phystokv(min), nmax - min,
LMMF_16MB, LMM_PRI_16MB);
}
if (max > 16*1024*1024)
{
vm_offset_t nmin = min;
if (nmin < 16*1024*1024) nmin = 16*1024*1024;
lmm_add(&malloc_lmm, phystokv(nmin), max - nmin, 0, 0);
}
}
if (max > phys_mem_max)
phys_mem_max = max;
}
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