diff mbox series

[26/39] target/hexagon: Decode trap1, rte as COF

Message ID 20250301052845.1012069-27-brian.cain@oss.qualcomm.com (mailing list archive)
State New
Headers show
Series hexagon system emu, part 2/3 | expand

Commit Message

Brian Cain March 1, 2025, 5:28 a.m. UTC 
From: Brian Cain <bcain@quicinc.com>

Also: handle rte instructions at the end of the packet.

Signed-off-by: Brian Cain <brian.cain@oss.qualcomm.com>
---
 target/hexagon/decode.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff mbox series

Patch

diff --git a/target/hexagon/decode.c b/target/hexagon/decode.c
index 23deba2426..5d0beeeaf2 100644
--- a/target/hexagon/decode.c
+++ b/target/hexagon/decode.c
@@ -193,6 +193,8 @@  static bool decode_opcode_can_jump(int opcode)
     if ((GET_ATTRIB(opcode, A_JUMP)) ||
         (GET_ATTRIB(opcode, A_CALL)) ||
         (opcode == J2_trap0) ||
+        (opcode == J2_trap1) ||
+        (opcode == J2_rte) ||
         (opcode == J2_pause)) {
         /* Exception to A_JUMP attribute */
         if (opcode == J4_hintjumpr) {
@@ -371,6 +373,18 @@  static void decode_shuffle_for_execution(Packet *packet)
             break;
         }
     }
+    /*
+     * And at the very very very end, move any RTE's, since they update
+     * user/supervisor mode.
+     */
+#if !defined(CONFIG_USER_ONLY)
+    for (i = 0; i < last_insn; i++) {
+        if (packet->insn[i].opcode == J2_rte) {
+            decode_send_insn_to(packet, i, last_insn);
+            break;
+        }
+    }
+#endif
 }
 
 static void