[src/trunk]: src/sys/arch/mips/mips use COP0_HAZARD_FPUENABLE in a couple mor...

[cgd <cgd%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4ea76f9788c9
branches:  trunk
changeset: 542808:4ea76f9788c9
user:      cgd <cgd%NetBSD.org@localhost>
date:      Sat Feb 08 00:50:33 2003 +0000

description:
use COP0_HAZARD_FPUENABLE in a couple more places when turning on FP:
In start (noticed after looking for more COP_1_BIT uses, and note
that there are extra nops here but really they don't hurt), and in
MachFPTrap (noticed by ... running regress!).

diffstat:

 sys/arch/mips/mips/locore.S |  10 +++-------
 1 files changed, 3 insertions(+), 7 deletions(-)

diffs (31 lines):

diff -r ef0b9c6bfd45 -r 4ea76f9788c9 sys/arch/mips/mips/locore.S
--- a/sys/arch/mips/mips/locore.S       Sat Feb 08 00:44:00 2003 +0000
+++ b/sys/arch/mips/mips/locore.S       Sat Feb 08 00:50:33 2003 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.S,v 1.150 2003/01/21 04:26:01 simonb Exp $      */
+/*     $NetBSD: locore.S,v 1.151 2003/02/08 00:50:33 cgd Exp $ */
 
 /*
  * Copyright (c) 1992, 1993
@@ -121,7 +121,7 @@
        mfc0    t0, MIPS_COP_0_STATUS
        or      t0, MIPS_SR_COP_1_BIT           # Disable interrupts, and
        mtc0    t0, MIPS_COP_0_STATUS           # enable the fp coprocessor
-       COP0_SYNC
+       COP0_HAZARD_FPUENABLE
 #endif
        nop
        nop
@@ -888,11 +888,7 @@
        sw      ra, CALLFRAME_RA(sp)
        or      t0, t0, MIPS_SR_COP_1_BIT
        mtc0    t0, MIPS_COP_0_STATUS
-       COP0_SYNC
-       nop
-       nop
-       nop                             # 1st extra nop for r4k
-       nop                             # 2nd extra nop for r4k
+       COP0_HAZARD_FPUENABLE
 
        cfc1    t0, MIPS_FPU_CSR        # stall til FP done
        cfc1    t0, MIPS_FPU_CSR        # now get status