From 8d9d5f3fc3da7356c71d98b0380b81293a486bba Mon Sep 17 00:00:00 2001
From: ptitSeb <sebastien.chev@gmail.com>
Date: Sun, 17 Apr 2022 17:18:49 +0200
Subject: [DYNAREC] Added F0 21 opcode

---
 src/dynarec/arm64/dynarec_arm64_f0.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src')

diff --git a/src/dynarec/arm64/dynarec_arm64_f0.c b/src/dynarec/arm64/dynarec_arm64_f0.c
index 46bd8cc6..621bd775 100644
--- a/src/dynarec/arm64/dynarec_arm64_f0.c
+++ b/src/dynarec/arm64/dynarec_arm64_f0.c
@@ -315,6 +315,26 @@ uintptr_t dynarec64_F0(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             }
             break;
                     
+        case 0x21:
+            INST_NAME("LOCK AND Ed, Gd");
+            SETFLAGS(X_ALL, SF_SET_PENDING);
+            nextop = F8;
+            GETGD;
+            DMB_ISH();
+            if(MODREG) {
+                ed = xRAX+(nextop&7)+(rex.b<<3);
+                emit_and32(dyn, ninst, rex, ed, gd, x3, x4);
+            } else {
+                addr = geted(dyn, addr, ninst, nextop, &wback, x2, &fixedaddress, 0, 0, rex, 0, 0);
+                MARKLOCK;
+                LDAXRxw(x1, wback);
+                emit_and32(dyn, ninst, rex, x1, gd, x3, x4);
+                STLXRxw(x3, x1, wback);
+                CBNZx_MARKLOCK(x3);
+            }
+            DMB_ISH();
+            break;
+            
         case 0x29:
             INST_NAME("LOCK SUB Ed, Gd");
             SETFLAGS(X_ALL, SF_SET_PENDING);
-- 
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