1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate #include <sys/t_lock.h>
28*7c478bd9Sstevel@tonic-gate #include <sys/vmem.h>
29*7c478bd9Sstevel@tonic-gate #include <sys/mman.h>
30*7c478bd9Sstevel@tonic-gate #include <sys/vm.h>
31*7c478bd9Sstevel@tonic-gate #include <sys/cpuvar.h>
32*7c478bd9Sstevel@tonic-gate #include <sys/systm.h>
33*7c478bd9Sstevel@tonic-gate #include <vm/as.h>
34*7c478bd9Sstevel@tonic-gate #include <vm/hat.h>
35*7c478bd9Sstevel@tonic-gate #include <vm/page.h>
36*7c478bd9Sstevel@tonic-gate #include <vm/seg.h>
37*7c478bd9Sstevel@tonic-gate #include <vm/seg_kmem.h>
38*7c478bd9Sstevel@tonic-gate #include <sys/kmem.h>
39*7c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h>
40*7c478bd9Sstevel@tonic-gate #include <sys/debug.h>
41*7c478bd9Sstevel@tonic-gate
42*7c478bd9Sstevel@tonic-gate /*
43*7c478bd9Sstevel@tonic-gate * ppcopy() and pagezero() have moved to i86/vm/vm_machdep.c
44*7c478bd9Sstevel@tonic-gate */
45*7c478bd9Sstevel@tonic-gate
46*7c478bd9Sstevel@tonic-gate /*
47*7c478bd9Sstevel@tonic-gate * Architecures with a vac use this routine to quickly make
48*7c478bd9Sstevel@tonic-gate * a vac-aligned mapping. We don't have a vac, so we don't
49*7c478bd9Sstevel@tonic-gate * care about that - just make this simple.
50*7c478bd9Sstevel@tonic-gate */
51*7c478bd9Sstevel@tonic-gate /* ARGSUSED2 */
52*7c478bd9Sstevel@tonic-gate caddr_t
ppmapin(page_t * pp,uint_t vprot,caddr_t avoid)53*7c478bd9Sstevel@tonic-gate ppmapin(page_t *pp, uint_t vprot, caddr_t avoid)
54*7c478bd9Sstevel@tonic-gate {
55*7c478bd9Sstevel@tonic-gate caddr_t va;
56*7c478bd9Sstevel@tonic-gate
57*7c478bd9Sstevel@tonic-gate va = vmem_alloc(heap_arena, PAGESIZE, VM_SLEEP);
58*7c478bd9Sstevel@tonic-gate hat_memload(kas.a_hat, va, pp, vprot | HAT_NOSYNC, HAT_LOAD_LOCK);
59*7c478bd9Sstevel@tonic-gate return (va);
60*7c478bd9Sstevel@tonic-gate }
61*7c478bd9Sstevel@tonic-gate
62*7c478bd9Sstevel@tonic-gate void
ppmapout(caddr_t va)63*7c478bd9Sstevel@tonic-gate ppmapout(caddr_t va)
64*7c478bd9Sstevel@tonic-gate {
65*7c478bd9Sstevel@tonic-gate hat_unload(kas.a_hat, va, PAGESIZE, HAT_UNLOAD_UNLOCK);
66*7c478bd9Sstevel@tonic-gate vmem_free(heap_arena, va, PAGESIZE);
67*7c478bd9Sstevel@tonic-gate }
68*7c478bd9Sstevel@tonic-gate
69*7c478bd9Sstevel@tonic-gate
70*7c478bd9Sstevel@tonic-gate /*
71*7c478bd9Sstevel@tonic-gate * Map the page pointed to by pp into the kernel virtual address space.
72*7c478bd9Sstevel@tonic-gate * This routine is used by the rootnexus.
73*7c478bd9Sstevel@tonic-gate */
74*7c478bd9Sstevel@tonic-gate void
i86_pp_map(page_t * pp,caddr_t kaddr)75*7c478bd9Sstevel@tonic-gate i86_pp_map(page_t *pp, caddr_t kaddr)
76*7c478bd9Sstevel@tonic-gate {
77*7c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, page_pptonum(pp),
78*7c478bd9Sstevel@tonic-gate HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
79*7c478bd9Sstevel@tonic-gate HAT_LOAD_LOCK);
80*7c478bd9Sstevel@tonic-gate }
81*7c478bd9Sstevel@tonic-gate
82*7c478bd9Sstevel@tonic-gate /*
83*7c478bd9Sstevel@tonic-gate * Map the page containing the virtual address into the kernel virtual address
84*7c478bd9Sstevel@tonic-gate * space. This routine is used by the rootnexus.
85*7c478bd9Sstevel@tonic-gate */
86*7c478bd9Sstevel@tonic-gate void
i86_va_map(caddr_t vaddr,struct as * asp,caddr_t kaddr)87*7c478bd9Sstevel@tonic-gate i86_va_map(caddr_t vaddr, struct as *asp, caddr_t kaddr)
88*7c478bd9Sstevel@tonic-gate {
89*7c478bd9Sstevel@tonic-gate pfn_t pfnum;
90*7c478bd9Sstevel@tonic-gate
91*7c478bd9Sstevel@tonic-gate pfnum = hat_getpfnum(asp->a_hat, vaddr);
92*7c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, kaddr, MMU_PAGESIZE, pfnum,
93*7c478bd9Sstevel@tonic-gate HAT_STORECACHING_OK | PROT_READ | PROT_WRITE | HAT_NOSYNC,
94*7c478bd9Sstevel@tonic-gate HAT_LOAD_LOCK);
95*7c478bd9Sstevel@tonic-gate }
96