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Diffstat (limited to 'target/arm/translate.c')
-rw-r--r--target/arm/translate.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/target/arm/translate.c b/target/arm/translate.c
index ad879e3480..9f71206f85 100644
--- a/target/arm/translate.c
+++ b/target/arm/translate.c
@@ -9282,6 +9282,17 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn)
*/
gen_goto_tb(s, 0, s->pc & ~1);
return;
+ case 7: /* sb */
+ if ((insn & 0xf) || !dc_isar_feature(aa32_sb, s)) {
+ goto illegal_op;
+ }
+ /*
+ * TODO: There is no speculation barrier opcode
+ * for TCG; MB and end the TB instead.
+ */
+ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
+ gen_goto_tb(s, 0, s->pc & ~1);
+ return;
default:
goto illegal_op;
}
@@ -11900,6 +11911,17 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn)
*/
gen_goto_tb(s, 0, s->pc & ~1);
break;
+ case 7: /* sb */
+ if ((insn & 0xf) || !dc_isar_feature(aa32_sb, s)) {
+ goto illegal_op;
+ }
+ /*
+ * TODO: There is no speculation barrier opcode
+ * for TCG; MB and end the TB instead.
+ */
+ tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC);
+ gen_goto_tb(s, 0, s->pc & ~1);
+ break;
default:
goto illegal_op;
}