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authorMiod Vallat <miod@cvs.openbsd.org>2006-06-01 06:28:12 +0000
committerMiod Vallat <miod@cvs.openbsd.org>2006-06-01 06:28:12 +0000
commitefb658d3e0b4fde40e7287c91612f83538b05ce4 (patch)
treef45ba11c8a883c949bcb5562cd9dc3c649385586
parent225c89d986fb39a0efa4ebac1c447213bcbefb88 (diff)
CACHE_GLOBAL is enforced at the APR level, no need to propagate it into
the individual PTEs. No functional change.
-rw-r--r--sys/arch/m88k/m88k/pmap.c20
1 files changed, 9 insertions, 11 deletions
diff --git a/sys/arch/m88k/m88k/pmap.c b/sys/arch/m88k/m88k/pmap.c
index ba97c306670..2aca2c050de 100644
--- a/sys/arch/m88k/m88k/pmap.c
+++ b/sys/arch/m88k/m88k/pmap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: pmap.c,v 1.27 2006/06/01 06:25:51 miod Exp $ */
+/* $OpenBSD: pmap.c,v 1.28 2006/06/01 06:28:11 miod Exp $ */
/*
* Copyright (c) 2001-2004, Miodrag Vallat
* Copyright (c) 1998-2001 Steve Murphree, Jr.
@@ -659,10 +659,10 @@ pmap_bootstrap(vaddr_t load_start)
/* map the kernel text read only */
vaddr = pmap_map(s_text, s_text, e_text,
VM_PROT_WRITE | VM_PROT_READ, /* shouldn't it be RO? XXX*/
- CACHE_GLOBAL);
+ 0);
vaddr = pmap_map(vaddr, e_text, (paddr_t)kmap,
- VM_PROT_WRITE | VM_PROT_READ, CACHE_GLOBAL);
+ VM_PROT_WRITE | VM_PROT_READ, 0);
/*
* Map system segment & page tables - should be cache inhibited?
@@ -828,7 +828,7 @@ pmap_zero_page(struct vm_page *pg)
spl = splvm();
*pte = m88k_protection(VM_PROT_READ | VM_PROT_WRITE) |
- CACHE_GLOBAL | PG_M /* 88110 */ | PG_V | pa;
+ PG_M /* 88110 */ | PG_V | pa;
/*
* We don't need the flush_atc_entry() dance, as these pages are
@@ -906,7 +906,7 @@ pmap_create(void)
/* memory for page tables should not be writeback or local */
pmap_cache_ctrl(kernel_pmap,
- (vaddr_t)segdt, (vaddr_t)segdt + s, CACHE_GLOBAL | CACHE_WT);
+ (vaddr_t)segdt, (vaddr_t)segdt + s, CACHE_WT);
/*
* Initialize SDT_ENTRIES.
@@ -1524,7 +1524,7 @@ pmap_expand(pmap_t pmap, vaddr_t v)
/* memory for page tables should not be writeback or local */
pmap_cache_ctrl(kernel_pmap,
- pdt_vaddr, pdt_vaddr + PAGE_SIZE, CACHE_GLOBAL | CACHE_WT);
+ pdt_vaddr, pdt_vaddr + PAGE_SIZE, CACHE_WT);
spl = splvm();
PMAP_LOCK(pmap);
@@ -1751,8 +1751,6 @@ pmap_enter(pmap_t pmap, vaddr_t va, paddr_t pa, vm_prot_t prot, int flags)
*/
if ((unsigned long)pa >= last_addr)
template |= CACHE_INH;
- else
- template |= CACHE_GLOBAL;
if (flags & VM_PROT_WRITE)
template |= PG_M_U;
@@ -2101,9 +2099,9 @@ pmap_copy_page(struct vm_page *srcpg, struct vm_page *dstpg)
spl = splvm();
*dstpte = m88k_protection(VM_PROT_READ | VM_PROT_WRITE) |
- CACHE_GLOBAL | PG_M /* 88110 */ | PG_V | dst;
+ PG_M /* 88110 */ | PG_V | dst;
*srcpte = m88k_protection(VM_PROT_READ) |
- CACHE_GLOBAL | PG_V | src;
+ PG_V | src;
/*
* We don't need the flush_atc_entry() dance, as these pages are
@@ -2506,7 +2504,7 @@ pmap_kenter_pa(vaddr_t va, paddr_t pa, vm_prot_t prot)
if ((unsigned long)pa >= last_addr)
template |= CACHE_INH | PG_V | PG_W;
else
- template |= CACHE_GLOBAL | PG_V | PG_W;
+ template |= PG_V | PG_W;
*pte = template | pa;
flush_atc_entry(kernel_pmap, va);