Source-Changes-HG archive
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
[src/trunk]: src/sys/arch/hppa/hppa Remove unnecessary cache flushes.
details: https://anonhg.NetBSD.org/src/rev/cc2c0c4232de
branches: trunk
changeset: 778610:cc2c0c4232de
user: skrll <skrll%NetBSD.org@localhost>
date: Fri Apr 06 13:09:32 2012 +0000
description:
Remove unnecessary cache flushes.
FP regs are stored in memory from a pool which is direct mapped and
therefore available in virtual and physical modes.
diffstat:
sys/arch/hppa/hppa/trap.S | 27 +--------------------------
1 files changed, 1 insertions(+), 26 deletions(-)
diffs (48 lines):
diff -r d9439c23e008 -r cc2c0c4232de sys/arch/hppa/hppa/trap.S
--- a/sys/arch/hppa/hppa/trap.S Fri Apr 06 12:21:58 2012 +0000
+++ b/sys/arch/hppa/hppa/trap.S Fri Apr 06 13:09:32 2012 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: trap.S,v 1.66 2012/04/06 12:21:59 skrll Exp $ */
+/* $NetBSD: trap.S,v 1.67 2012/04/06 13:09:32 skrll Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
@@ -1094,19 +1094,6 @@
fstds,ma %fr30, 8(%arg0)
fstds %fr31, 0(%arg0)
- ldo -248(%arg0), %arg0
- ldil L%dcache_stride, %r1
- ldw R%dcache_stride(%r1), %r1
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- fdc,m %r1(%arg0)
- sync
-
L$fpu_swap_in:
/*
@@ -1160,18 +1147,6 @@
fldds,ma -8(%arg1), %fr1
fldds 0(%arg1), %fr0 /* fr0 must be restored last */
- ldil L%dcache_stride, %r1
- ldw R%dcache_stride(%r1), %r1
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- fdc,m %r1(%arg1)
- sync
-
L$fpu_swap_done:
/* Increment the switch count and return. */
Home |
Main Index |
Thread Index |
Old Index