From 5d4a534dec61df1dc2e521093040e965c180f63b Mon Sep 17 00:00:00 2001
From: edgar_igl <edgar_igl@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Mon, 25 Feb 2008 09:58:22 +0000
Subject: [PATCH] Silently ignore CRIS cache flushes, instead of aborting due
 to unknown insn.

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3990 c046a42c-6fe2-441c-8c8c-71466251a162
---
 target-cris/crisv32-decode.h |  3 +++
 target-cris/translate.c      | 16 ++++++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/target-cris/crisv32-decode.h b/target-cris/crisv32-decode.h
index 5d30dcc4be..3a515c4a05 100644
--- a/target-cris/crisv32-decode.h
+++ b/target-cris/crisv32-decode.h
@@ -124,3 +124,6 @@
 #define DEC_BASC_IM  {B8(11101111), B8(11111111)}
 #define DEC_MOVEM_MR {B8(10111011), B8(10111111)}
 #define DEC_MOVEM_RM {B8(10111111), B8(10111111)}
+
+#define DEC_FTAG_FIDX_D_M {B8(10101011), B8(11111111)}
+#define DEC_FTAG_FIDX_I_M {B8(11010011), B8(11111111)}
diff --git a/target-cris/translate.c b/target-cris/translate.c
index 3a5e5eb1ba..d8cfda5559 100644
--- a/target-cris/translate.c
+++ b/target-cris/translate.c
@@ -2123,6 +2123,18 @@ static unsigned int dec_rfe_etc(DisasContext *dc)
 	return 2;
 }
 
+static unsigned int dec_ftag_fidx_d_m(DisasContext *dc)
+{
+	/* Ignore D-cache flushes.  */
+	return 2;
+}
+
+static unsigned int dec_ftag_fidx_i_m(DisasContext *dc)
+{
+	/* Ignore I-cache flushes.  */
+	return 2;
+}
+
 static unsigned int dec_null(DisasContext *dc)
 {
 	printf ("unknown insn pc=%x opc=%x op1=%x op2=%x\n",
@@ -2213,8 +2225,8 @@ struct decoder_info {
 	{DEC_NEG_R, dec_neg_r},
 	{DEC_MOVE_R, dec_move_r},
 
-	/* ftag_fidx_i_m.  */
-	/* ftag_fidx_d_m.  */
+	{DEC_FTAG_FIDX_I_M, dec_ftag_fidx_i_m},
+	{DEC_FTAG_FIDX_D_M, dec_ftag_fidx_d_m},
 
 	{DEC_MULS_R, dec_muls_r},
 	{DEC_MULU_R, dec_mulu_r},