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[src/trunk]: src/sys/arch/mips/mips Move the hpcmips L1 cache disable hack up
details: https://anonhg.NetBSD.org/src/rev/703fe75d0d61
branches: trunk
changeset: 321239:703fe75d0d61
user: maya <maya%NetBSD.org@localhost>
date: Wed Mar 07 15:52:43 2018 +0000
description:
Move the hpcmips L1 cache disable hack up
where another machine-specific hacks exists.
Note that no existing kernel seems to enable this option.
diffstat:
sys/arch/mips/mips/locore.S | 21 +++++++++++----------
1 files changed, 11 insertions(+), 10 deletions(-)
diffs (49 lines):
diff -r 938d0df3634c -r 703fe75d0d61 sys/arch/mips/mips/locore.S
--- a/sys/arch/mips/mips/locore.S Wed Mar 07 15:49:45 2018 +0000
+++ b/sys/arch/mips/mips/locore.S Wed Mar 07 15:52:43 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: locore.S,v 1.212 2018/03/07 15:49:45 maya Exp $ */
+/* $NetBSD: locore.S,v 1.213 2018/03/07 15:52:43 maya Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -63,7 +63,7 @@
#include <mips/trap.h>
#include <mips/locore.h>
-RCSID("$NetBSD: locore.S,v 1.212 2018/03/07 15:49:45 maya Exp $")
+RCSID("$NetBSD: locore.S,v 1.213 2018/03/07 15:52:43 maya Exp $")
#include "assym.h"
@@ -93,6 +93,15 @@
mtc0 k0, MIPS_COP_0_STATUS
#endif
+#ifdef HPCMIPS_L1CACHE_DISABLE
+ mfc0 t0, MIPS_COP_0_CONFIG
+ li t1, 0xfffffff8
+ and t0, t0, t1
+ or t0, 0x00000002 # XXX, KSEG0 is uncached
+ mtc0 t0, MIPS_COP_0_CONFIG
+ COP0_SYNC
+#endif /* HPCMIPS_L1CACHE_DISABLE */
+
#ifdef MIPS64_OCTEON
//
// U-boot on the erlite starts all cpus at the kernel entry point.
@@ -145,14 +154,6 @@
mtc0 t0, MIPS_COP_0_STATUS # the fp coprocessor
COP0_SYNC
#endif /* !emips */
-#ifdef HPCMIPS_L1CACHE_DISABLE
- mfc0 t0, MIPS_COP_0_CONFIG
- li t1, 0xfffffff8
- and t0, t0, t1
- or t0, 0x00000002 # XXX, KSEG0 is uncached
- mtc0 t0, MIPS_COP_0_CONFIG
- COP0_SYNC
-#endif /* HPCMIPS_L1CACHE_DISABLE */
#else /* NOFPU */
mfc0 t0, MIPS_COP_0_STATUS
MFC0_HAZARD
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