/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/t_lock.h>
#include <sys/vmem.h>
#include <sys/mman.h>
#include <sys/vm.h>
#include <sys/cpuvar.h>
#include <sys/systm.h>
#include <vm/as.h>
#include <vm/hat.h>
#include <vm/page.h>
#include <vm/seg.h>
#include <vm/seg_kmem.h>
#include <sys/kmem.h>
#include <sys/cmn_err.h>
#include <sys/debug.h>
/*
* ppcopy() and pagezero() have moved to i86/vm/vm_machdep.c
*/
/*
* Architecures with a vac use this routine to quickly make
* a vac-aligned mapping. We don't have a vac, so we don't
* care about that - just make this simple.
*/
/* ARGSUSED2 */
caddr_t
ppmapin(page_t *pp, uint_t vprot, caddr_t avoid)
{
caddr_t va;
va = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP);
hat_memload(kas.a_hat, va, pp, vprot | HAT_NOSYNC, HAT_LOAD_LOCK);
return (va);
}
void
ppmapout(caddr_t va)
{
hat_unload(kas.a_hat, va, PAGESIZE, HAT_UNLOAD_UNLOCK);
vmem_free(heap_arena, va, PAGESIZE);
}
/*
* Map the page pointed to by pp into the kernel virtual address space.
* This routine is used by the rootnexus.
*/
void
i86_pp_map(page_t *pp, caddr_t kaddr)
{
hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, page_pptonum(pp),
HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
HAT_LOAD_LOCK);
}
/*
* Map the page containing the virtual address into the kernel virtual address
* space. This routine is used by the rootnexus.
*/
void
i86_va_map(caddr_t vaddr, struct as *asp, caddr_t kaddr)
{
pfn_t pfnum;
pfnum = hat_getpfnum(asp->a_hat, vaddr);
hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, pfnum,
HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
HAT_LOAD_LOCK);
}