Group SNM0 (indirect jumps and calls).
Signed-off-by: Max Filippov <jcmvb...@gmail.com>
---
target-xtensa/translate.c | 49 ++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 48 insertions(+), 1 deletions(-)
diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 2bfa801..f4d74e0 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -130,7 +130,11 @@ static void disas_xtensa_insn(DisasContext *dc)
#define CALL_OFFSET ((((_b0) & 0x3) << 16) | ((_b1) << 8) | (_b2))
#define CALL_OFFSET_SE (((_b0 & 0x2) ? 0xfffc0000 : 0) | CALL_OFFSET)
-#define BRI12_M ((_b0) & 0x3)
+#define CALLX_N CALL_N
+#define CALLX_M ((_b0) & 0x3)
+#define CALLX_S RRR_S
+
+#define BRI12_M CALLX_M
#define BRI12_S RRR_S
#define BRI12_IMM12 ((((_b1) & 0xf) << 8) | (_b2))
#define BRI12_IMM12_SE ((((_b1) & 0x8) ? 0xfffff000 : 0) | BRI12_IMM12)
@@ -165,6 +169,49 @@ static void disas_xtensa_insn(DisasContext *dc)
switch (RRR_R) {
case 0: /*SNM0*/
+ switch (CALLX_M) {
+ case 0: /*ILL*/
+ break;
+
+ case 1: /*reserved*/
+ break;
+
+ case 2: /*JR*/
+ switch (CALLX_N) {
+ case 0: /*RET*/
+ case 2: /*JX*/
+ gen_jump(dc, cpu_R[CALLX_S]);
+ break;
+
+ case 1: /*RETWw*/
+ HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER);
+ break;
+
+ case 3: /*reserved*/
+ break;
+ }
+ break;
+
+ case 3: /*CALLX*/
+ switch (CALLX_N) {
+ case 0: /*CALLX0*/
+ {
+ TCGv_i32 tmp = tcg_temp_new_i32();
+ tcg_gen_mov_i32(tmp, cpu_R[CALLX_S]);
+ tcg_gen_movi_i32(cpu_R[0], dc->pc + 3);
+ gen_jump(dc, tmp);
+ tcg_temp_free(tmp);
+ }
+ break;
+
+ case 1: /*CALLX4w*/
+ case 2: /*CALLX8w*/
+ case 3: /*CALLX12w*/
+ HAS_OPTION(XTENSA_OPTION_WINDOWED_REGISTER);
+ break;
+ }
+ break;
+ }
break;
case 1: /*MOVSPw*/
--
1.7.3.4
