/*
* 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
* or http://www.opensolaris.org/os/licensing.
* 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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/saio.h>
#include <sys/sysmacros.h>
#include <sys/promif.h>
#include <sys/bootconf.h>
#include <sys/salib.h>
#ifdef DEBUG
static int resalloc_debug = 1;
#else /* DEBUG */
static int resalloc_debug = 0;
#endif /* DEBUG */
#define dprintf if (resalloc_debug) printf
extern caddr_t resalloc(enum RESOURCES type,
size_t bytes, caddr_t virthint, int align);
extern void resfree(enum RESOURCES type,
caddr_t virtaddr, size_t bytes);
caddr_t memlistpage;
extern int pagesize;
/*
* This routine should be called get_a_page().
* It allocates from the appropriate entity one or
* more pages and maps them in.
*/
caddr_t
kern_resalloc(caddr_t virthint, size_t size, int align)
{
if (virthint != 0)
return (resalloc(RES_CHILDVIRT, size, virthint, align));
else {
return (resalloc(RES_BOOTSCRATCH, size, NULL, NULL));
}
}
/*
* This is called only on sparcv9 for freeing scratch memory.
* The standalone allocator cannot free other types of memory.
*/
void
kern_resfree(caddr_t virtaddr, size_t size)
{
resfree(RES_BOOTSCRATCH, virtaddr, size);
}
int
get_progmemory(caddr_t vaddr, size_t size, int align)
{
uintptr_t n;
/*
* if the vaddr given is not a mult of PAGESIZE,
* then we rounddown to a page, but keep the same
* ending addr.
*/
n = (uintptr_t)vaddr & (pagesize - 1);
if (n) {
vaddr -= n;
size += n;
}
dprintf("get_progmemory: requesting %lx bytes at %p\n", size,
(void *)vaddr);
if (resalloc(RES_CHILDVIRT, size, vaddr, align) != vaddr)
return (-1);
return (0);
}