Module Name:src
Committed By: uebayasi
Date: Thu Feb 25 04:46:28 UTC 2010
Modified Files:
src/sys/arch/mips/mips [uebayasi-xip]: pmap.c
Log Message:
Use VM_PAGE_TO_MD(). Only compile tested.
To generate a diff of this commit:
cvs rdiff -u -r1.188 -r1.188.2.1 src/sys/arch/mips/mips/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/mips/mips/pmap.c
diff -u src/sys/arch/mips/mips/pmap.c:1.188 src/sys/arch/mips/mips/pmap.c:1.188.2.1
--- src/sys/arch/mips/mips/pmap.c:1.188 Mon Dec 14 00:46:07 2009
+++ src/sys/arch/mips/mips/pmap.c Thu Feb 25 04:46:28 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.188 2009/12/14 00:46:07 matt Exp $ */
+/* $NetBSD: pmap.c,v 1.188.2.1 2010/02/25 04:46:28 uebayasi Exp $ */
/*-
* Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
@@ -67,7 +67,7 @@
#include sys/cdefs.h
-__KERNEL_RCSID(0, $NetBSD: pmap.c,v 1.188 2009/12/14 00:46:07 matt Exp $);
+__KERNEL_RCSID(0, $NetBSD: pmap.c,v 1.188.2.1 2010/02/25 04:46:28 uebayasi Exp $);
/*
* Manages physical address maps.
@@ -265,6 +265,7 @@
mips_flushcache_allpvh(paddr_t pa)
{
struct vm_page *pg;
+ struct vm_page_md *md;
struct pv_entry *pv;
pg = PHYS_TO_VM_PAGE(pa);
@@ -277,7 +278,8 @@
return;
}
- pv = pg-mdpage.pvh_list;
+ md = VM_PAGE_TO_MD(pg);
+ pv = md-pvh_list;
#if defined(MIPS3_NO_PV_UNCACHED)
/* No current mapping. Cache was flushed by pmap_remove_pv() */
@@ -522,7 +524,7 @@
for (bank = 0; bank vm_nphysseg; bank++) {
s = vm_physmem[bank].end - vm_physmem[bank].start;
for (i = 0; i s; i++)
- vm_physmem[bank].pgs[i].mdpage.pvh_list = pv++;
+ VM_PAGE_TO_MD(vm_physmem[bank].pgs[i])-pvh_list = pv++;
}
/*
@@ -861,6 +863,7 @@
void
pmap_page_protect(struct vm_page *pg, vm_prot_t prot)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
pv_entry_t pv;
vaddr_t va;
@@ -878,7 +881,7 @@
/* copy_on_write */
case VM_PROT_READ:
case VM_PROT_READ|VM_PROT_EXECUTE:
- pv = pg-mdpage.pvh_list;
+ pv = md-pvh_list;
/*
* Loop over all current mappings setting/clearing as appropos.
*/
@@ -894,7 +897,7 @@
/* remove_all */
default:
- pv = pg-mdpage.pvh_list;
+ pv = md-pvh_list;
while (pv-pv_pmap != NULL) {
pmap_remove(pv-pv_pmap, pv-pv_va,
pv-pv_va + PAGE_SIZE);
@@ -1079,6 +1082,7 @@
static void
pmap_page_cache(struct vm_page *pg, int mode)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
pv_entry_t pv;
pt_entry_t *pte;
unsigned entry;
@@ -1090,7 +1094,7 @@
printf(pmap_page_uncache(%#PRIxPADDR)\n, VM_PAGE_TO_PHYS(pg));
#endif
newmode = mode PV_UNCACHED ? MIPS3_PG_UNCACHED : MIPS3_PG_CACHED;
- pv = pg-mdpage.pvh_list;
+ pv = md-pvh_list;
asid = pv-pv_pmap-pm_asid;
needupdate = (pv-pv_pmap-pm_asidgen == pmap_asid_generation);
@@ -1189,7 +1193,8 @@
pg = PHYS_TO_VM_PAGE(pa);
if (pg) {
- int *attrs = pg-mdpage.pvh_attrs;
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
+ int *attrs = md-pvh_attrs;
/* Set page referenced/modified status based on flags */
if (flags VM_PROT_WRITE)
@@ -1643,7 +1648,8 @@
#if defined(MIPS3_PLUS) /* XXX mmu XXX */
pg = PHYS_TO_VM_PAGE(phys);
if (mips_cache_virtual_alias) {
- pv = pg-mdpage.pvh_list;
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
+ pv = md-pvh_list;
if ((pv-pv_flags PV_UNCACHED) == 0
mips_cache_indexof(pv-pv_va) != mips_cache_indexof(va))
mips_dcache_wbinv_range_index(pv-pv_va, PAGE_SIZE);
@@ -1745,6 +1751,7 @@
bool
pmap_clear_reference(struct vm_page *pg)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
int *attrp;
bool rv;
@@ -1753,7 +1760,7 @@
printf(pmap_clear_reference(%#PRIxPADDR)\n,
VM_PAGE_TO_PHYS(pg));
#endif
- attrp = pg-mdpage.pvh_attrs;
+ attrp = md-pvh_attrs;
rv = *attrp PGA_REFERENCED;
*attrp = ~PGA_REFERENCED;
return rv;
@@ -1768,8 +1775,9 @@
bool
pmap_is_referenced(struct vm_page *pg)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
- return pg-mdpage.pvh_attrs PGA_REFERENCED;
+ return md-pvh_attrs PGA_REFERENCED;
}
/*
@@ -1778,6 +1786,7 @@
bool
pmap_clear_modify(struct vm_page *pg)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
struct pmap *pmap;
struct pv_entry *pv;
pt_entry_t *pte;
@@ -1790,13 +1799,13 @@
if (pmapdebug PDB_FOLLOW)
printf(pmap_clear_modify(%#PRIxPADDR)\n, VM_PAGE_TO_PHYS(pg));
#endif
- attrp = pg-mdpage.pvh_attrs;
+ attrp = md-pvh_attrs;
rv = *attrp PGA_MODIFIED;
*attrp = ~PGA_MODIFIED;
if (!rv) {
return rv;
}
- pv = pg-mdpage.pvh_list;
+ pv = md-pvh_list;
if (pv-pv_pmap == NULL) {
return true;
}
@@ -1846,8 +1855,9 @@
bool
pmap_is_modified(struct vm_page *pg)
{
+ struct vm_page_md * const md = VM_PAGE_TO_MD(pg);
- return pg-mdpage.pvh_attrs PGA_MODIFIED;
+ return md-pvh_attrs PGA_MODIFIED;
}
/*
@@ -1859,9 +1869,11 @@
pmap_set_modified(paddr_t pa)
{
struct vm_page *pg;
