Module Name: src
Committed By: maya
Date: Fri Nov 11 16:41:32 UTC 2016
Modified Files:
src/sys/arch/mips/include: asm.h
Log Message:
switch mfc0_hazard to be superscalar nop, some mips3 are superscalar
and need this to do the right thing
To generate a diff of this commit:
cvs rdiff -u -r1.52 -r1.53 src/sys/arch/mips/include/asm.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/mips/include/asm.h
diff -u src/sys/arch/mips/include/asm.h:1.52 src/sys/arch/mips/include/asm.h:1.53
--- src/sys/arch/mips/include/asm.h:1.52 Wed Nov 9 11:50:09 2016
+++ src/sys/arch/mips/include/asm.h Fri Nov 11 16:41:32 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: asm.h,v 1.52 2016/11/09 11:50:09 maya Exp $ */
+/* $NetBSD: asm.h,v 1.53 2016/11/11 16:41:32 maya Exp $ */
/*
* Copyright (c) 1992, 1993
@@ -512,7 +512,7 @@ _C_LABEL(x):
/* CPU dependent hook for cp0 load delays */
#if defined(MIPS1) || defined(MIPS2) || defined(MIPS3)
-#define MFC0_HAZARD nop
+#define MFC0_HAZARD sll $0,$0,1 /* super scalar nop */
#else
#define MFC0_HAZARD /* nothing */
#endif
