Module Name: src
Committed By: uebayasi
Date: Sat Oct 30 18:15:04 UTC 2010
Modified Files:
src/sys/arch/sh3/sh3: pmap.c
Log Message:
Use VM_PAGE_TO_MD() to locate struct vm_page_md. No functional
changes.
To generate a diff of this commit:
cvs rdiff -u -r1.74 -r1.75 src/sys/arch/sh3/sh3/pmap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/sh3/sh3/pmap.c
diff -u src/sys/arch/sh3/sh3/pmap.c:1.74 src/sys/arch/sh3/sh3/pmap.c:1.75
--- src/sys/arch/sh3/sh3/pmap.c:1.74 Sat Nov 7 07:27:46 2009
+++ src/sys/arch/sh3/sh3/pmap.c Sat Oct 30 18:15:04 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.74 2009/11/07 07:27:46 cegger Exp $ */
+/* $NetBSD: pmap.c,v 1.75 2010/10/30 18:15:04 uebayasi Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.74 2009/11/07 07:27:46 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.75 2010/10/30 18:15:04 uebayasi Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -43,6 +43,8 @@
#include <sh3/mmu.h>
#include <sh3/cache.h>
+#define VM_PAGE_TO_MD(pg) (&(pg)->mdpage)
+
#ifdef DEBUG
#define STATIC
#else
@@ -339,7 +341,7 @@
entry |= _PG_WIRED;
if (pg != NULL) { /* memory-space */
- pvh = &pg->mdpage;
+ pvh = VM_PAGE_TO_MD(pg);
entry |= PG_C; /* always cached */
/* Seed modified/reference tracking */
@@ -483,7 +485,7 @@
* XXX mapping them uncached (like arm and mips do).
*/
again:
- pvh = &pg->mdpage;
+ pvh = VM_PAGE_TO_MD(pg);
SLIST_FOREACH(pv, &pvh->pvh_head, pv_link) {
if (sh_cache_indexof(va) !=
sh_cache_indexof(pv->pv_va)) {
@@ -495,7 +497,7 @@
}
/* Register pv map */
- pvh = &pg->mdpage;
+ pvh = VM_PAGE_TO_MD(pg);
pv = __pmap_pv_alloc();
pv->pv_pmap = pmap;
pv->pv_va = va;
@@ -547,12 +549,12 @@
int s;
s = splvm();
- pvh = &pg->mdpage;
+ pvh = VM_PAGE_TO_MD(pg);
SLIST_FOREACH(pv, &pvh->pvh_head, pv_link) {
if (pv->pv_pmap == pmap && pv->pv_va == vaddr) {
if (SH_HAS_VIRTUAL_ALIAS ||
(SH_HAS_WRITEBACK_CACHE &&
- (pg->mdpage.pvh_flags & PVH_MODIFIED))) {
+ (pvh->pvh_flags & PVH_MODIFIED))) {
/*
* Always use index ops. since I don't want to
* worry about address space.
@@ -699,7 +701,7 @@
void
pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
{
- struct vm_page_md *pvh = &pg->mdpage;
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
struct pv_entry *pv;
struct pmap *pmap;
vaddr_t va;
@@ -789,24 +791,25 @@
bool
pmap_is_referenced(struct vm_page *pg)
{
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
- return ((pg->mdpage.pvh_flags & PVH_REFERENCED) ? true : false);
+ return ((pvh->pvh_flags & PVH_REFERENCED) ? true : false);
}
bool
pmap_clear_reference(struct vm_page *pg)
{
- struct vm_page_md *pvh = &pg->mdpage;
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
struct pv_entry *pv;
pt_entry_t *pte;
pmap_t pmap;
vaddr_t va;
int s;
- if ((pg->mdpage.pvh_flags & PVH_REFERENCED) == 0)
+ if ((pvh->pvh_flags & PVH_REFERENCED) == 0)
return (false);
- pg->mdpage.pvh_flags &= ~PVH_REFERENCED;
+ pvh->pvh_flags &= ~PVH_REFERENCED;
s = splvm();
/* Restart reference bit emulation */
@@ -831,14 +834,15 @@
bool
pmap_is_modified(struct vm_page *pg)
{
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
- return ((pg->mdpage.pvh_flags & PVH_MODIFIED) ? true : false);
+ return ((pvh->pvh_flags & PVH_MODIFIED) ? true : false);
}
bool
pmap_clear_modify(struct vm_page *pg)
{
- struct vm_page_md *pvh = &pg->mdpage;
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
struct pv_entry *pv;
struct pmap *pmap;
pt_entry_t *pte, entry;
@@ -1023,12 +1027,14 @@
/* Emulate reference/modified tracking for managed page. */
if (flags != 0 && (pg = PHYS_TO_VM_PAGE(entry & PG_PPN)) != NULL) {
+ struct vm_page_md *pvh = VM_PAGE_TO_MD(pg);
+
if (flags & PVH_REFERENCED) {
- pg->mdpage.pvh_flags |= PVH_REFERENCED;
+ pvh->pvh_flags |= PVH_REFERENCED;
entry |= PG_V;
}
if (flags & PVH_MODIFIED) {
- pg->mdpage.pvh_flags |= PVH_MODIFIED;
+ pvh->pvh_flags |= PVH_MODIFIED;
entry |= PG_D;
}
*pte = entry;
