Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Initialize the framebuffer BAT with BAT_G, too. This marks the region

Browse Source 
as (G)uarded, protecting it from the processor being too aggressive in
reordering and prefetching.  This allows OFB_ENABLE_CACHE to work on my
Powerbook G4.

Thanks to matt@ for suggesting this fix.  "It's the right thing to do."
This commit is contained in:
briggs 2003-02-15 05:07:57 +00:00
parent ca0eaa6f66
commit 0ba0225830
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/arch/macppc/dev/ofb.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ofb.c,v 1.32 2002/10/02 05:30:43 thorpej Exp $ */
/* $NetBSD: ofb.c,v 1.33 2003/02/15 05:07:57 briggs Exp $ */
/*
* Copyright (c) 1995, 1996 Carnegie-Mellon University.
@ -258,8 +258,8 @@ ofb_common_init(node, dc)
va += SEGMENT_LENGTH) {
if (battable[va >> ADDR_SR_SHFT].batu == 0) {
battable[va >> ADDR_SR_SHFT].batl =
BATL(addr & 0xf0000000, BAT_W | BAT_M,
BAT_PP_RW);
BATL(addr & 0xf0000000,
BAT_G | BAT_W | BAT_M, BAT_PP_RW);
battable[va >> ADDR_SR_SHFT].batu =
BATL(va, BAT_BL_256M, BAT_Vs);
addr &= 0x0fffffff;