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-rw-r--r--target/arm/translate.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c
index fc03b5b..db1ce65 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -9237,11 +9237,14 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
}
}
tcg_temp_free_i32(addr);
- } else {
+ } else if ((insn & 0x00300f00) == 0) {
+ /* 0bcccc_0001_0x00_xxxx_xxxx_0000_1001_xxxx
+ * - SWP, SWPB
+ */
+
TCGv taddr;
TCGMemOp opc = s->be_data;
- /* SWP instruction */
rm = (insn) & 0xf;
if (insn & (1 << 22)) {
@@ -9259,6 +9262,8 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
get_mem_index(s), opc);
tcg_temp_free(taddr);
store_reg(s, rd, tmp);
+ } else {
+ goto illegal_op;
}
}
} else {