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In pmap_page_is_cacheable(), add an explicit check for KSEG0 addresses.

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They don't show up in the page tables, so the default "not cacheable"
status is wrong.

This finally gets my ex(4) working on the Cayman's PCIbus.
This commit is contained in:
scw 2002-10-02 12:19:38 +00:00
parent f6bcf4feae
commit 9e1133a710
1 changed files with 4 additions and 1 deletions
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5
sys/arch/sh5/sh5/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.12 2002/10/01 15:01:48 scw Exp $ */
/* $NetBSD: pmap.c,v 1.13 2002/10/02 12:19:38 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -1115,6 +1115,9 @@ pmap_page_is_cacheable(pmap_t pm, vaddr_t va)
ptel_t ptel = 0;
int s;
if (va < SH5_KSEG1_BASE && va >= SH5_KSEG0_BASE)
return (1);
s = splhigh();
pvo = pmap_pvo_find_va(pm, va, NULL);
if (pvo != NULL)