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

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
edgar_igl
1 parent 1a2fb1c0
Showing 2 changed files with 17 additions and 2 deletions
target-cris/crisv32-decode.h
target-cris/translate.c
@@ -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)}
@@ -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},