prom_mem.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1991-1994, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* This file contains platform-dependent memory support routines,
* suitable for memory methods with 2-cell physical addresses.
* Use of these routines makes the caller platform-dependent,
* since the caller assumes knowledge of the physical layout of
* the machines address space. Generic programs should use the
* standard client interface memory allocators.
*/
#include <sys/promimpl.h>
prom_memory_ihandle(void)
{
return (imemory);
return (imemory);
}
/*
* Allocate physical memory, unmapped and possibly aligned.
* Returns 0: Success; Non-zero: failure.
* Returns *physaddr only if successful.
*
* This routine is suitable for platforms with 2-cell physical addresses
* and a single size cell in the "memory" node.
*/
int
{
int rv;
return (-1);
if (align == 0)
if (rv != 0)
return (rv);
return (-1);
/* Res2: SR1: phys.hi ... Res3: SR2: phys.lo */
return (0);
}
/*
* Claim a region of physical memory, unmapped.
* Returns 0: Success; Non-zero: failure.
*
* This routine is suitable for platforms with 2-cell physical addresses
* and a single size cell in the "memory" node.
*/
int
{
int rv;
return (-1);
if (rv != 0)
return (rv);
return (-1);
return (0);
}
/*
* Free physical memory (no unmapping is done).
* This routine is suitable for platforms with 2-cell physical addresses
* with a single size cell.
*/
void
{
return;
(void) p1275_cif_handler(&ci);
}