1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*0Sstevel@tonic-gate * Use is subject to license terms.
25*0Sstevel@tonic-gate */
26*0Sstevel@tonic-gate
27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #include <sys/t_lock.h>
30*0Sstevel@tonic-gate #include <sys/vmem.h>
31*0Sstevel@tonic-gate #include <sys/mman.h>
32*0Sstevel@tonic-gate #include <sys/vm.h>
33*0Sstevel@tonic-gate #include <sys/cpuvar.h>
34*0Sstevel@tonic-gate #include <sys/systm.h>
35*0Sstevel@tonic-gate #include <vm/as.h>
36*0Sstevel@tonic-gate #include <vm/hat.h>
37*0Sstevel@tonic-gate #include <vm/page.h>
38*0Sstevel@tonic-gate #include <vm/seg.h>
39*0Sstevel@tonic-gate #include <vm/seg_kmem.h>
40*0Sstevel@tonic-gate #include <sys/kmem.h>
41*0Sstevel@tonic-gate #include <sys/cmn_err.h>
42*0Sstevel@tonic-gate #include <sys/debug.h>
43*0Sstevel@tonic-gate
44*0Sstevel@tonic-gate /*
45*0Sstevel@tonic-gate * ppcopy() and pagezero() have moved to i86/vm/vm_machdep.c
46*0Sstevel@tonic-gate */
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate /*
49*0Sstevel@tonic-gate * Architecures with a vac use this routine to quickly make
50*0Sstevel@tonic-gate * a vac-aligned mapping. We don't have a vac, so we don't
51*0Sstevel@tonic-gate * care about that - just make this simple.
52*0Sstevel@tonic-gate */
53*0Sstevel@tonic-gate /* ARGSUSED2 */
54*0Sstevel@tonic-gate caddr_t
ppmapin(page_t * pp,uint_t vprot,caddr_t avoid)55*0Sstevel@tonic-gate ppmapin(page_t *pp, uint_t vprot, caddr_t avoid)
56*0Sstevel@tonic-gate {
57*0Sstevel@tonic-gate caddr_t va;
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate va = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP);
60*0Sstevel@tonic-gate hat_memload(kas.a_hat, va, pp, vprot | HAT_NOSYNC, HAT_LOAD_LOCK);
61*0Sstevel@tonic-gate return (va);
62*0Sstevel@tonic-gate }
63*0Sstevel@tonic-gate
64*0Sstevel@tonic-gate void
ppmapout(caddr_t va)65*0Sstevel@tonic-gate ppmapout(caddr_t va)
66*0Sstevel@tonic-gate {
67*0Sstevel@tonic-gate hat_unload(kas.a_hat, va, PAGESIZE, HAT_UNLOAD_UNLOCK);
68*0Sstevel@tonic-gate vmem_free(heap_arena, va, PAGESIZE);
69*0Sstevel@tonic-gate }
70*0Sstevel@tonic-gate
71*0Sstevel@tonic-gate
72*0Sstevel@tonic-gate /*
73*0Sstevel@tonic-gate * Map the page pointed to by pp into the kernel virtual address space.
74*0Sstevel@tonic-gate * This routine is used by the rootnexus.
75*0Sstevel@tonic-gate */
76*0Sstevel@tonic-gate void
i86_pp_map(page_t * pp,caddr_t kaddr)77*0Sstevel@tonic-gate i86_pp_map(page_t *pp, caddr_t kaddr)
78*0Sstevel@tonic-gate {
79*0Sstevel@tonic-gate hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, page_pptonum(pp),
80*0Sstevel@tonic-gate HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
81*0Sstevel@tonic-gate HAT_LOAD_LOCK);
82*0Sstevel@tonic-gate }
83*0Sstevel@tonic-gate
84*0Sstevel@tonic-gate /*
85*0Sstevel@tonic-gate * Map the page containing the virtual address into the kernel virtual address
86*0Sstevel@tonic-gate * space. This routine is used by the rootnexus.
87*0Sstevel@tonic-gate */
88*0Sstevel@tonic-gate void
i86_va_map(caddr_t vaddr,struct as * asp,caddr_t kaddr)89*0Sstevel@tonic-gate i86_va_map(caddr_t vaddr, struct as *asp, caddr_t kaddr)
90*0Sstevel@tonic-gate {
91*0Sstevel@tonic-gate pfn_t pfnum;
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate pfnum = hat_getpfnum(asp->a_hat, vaddr);
94*0Sstevel@tonic-gate hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, pfnum,
95*0Sstevel@tonic-gate HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
96*0Sstevel@tonic-gate HAT_LOAD_LOCK);
97*0Sstevel@tonic-gate }
98