[ARM64_DYNAREC] Added 64/65 67 89/8B 64bits opcodes (#2730)

* [ARM64_DYNAREC] Added 64/65 67 89/8B 64bits opcodes

* review

3 files changed, 97 insertions, 1 deletions

diff --git a/src/dynarec/arm64/dynarec_arm64_64.c b/src/dynarec/arm64/dynarec_arm64_64.c
index 6c2cd592..1bb12d62 100644
--- a/src/dynarec/arm64/dynarec_arm64_64.c
+++ b/src/dynarec/arm64/dynarec_arm64_64.c
@@ -562,7 +562,7 @@ uintptr_t dynarec64_64(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
             if(rex.is32bits)
                 addr = dynarec64_6764_32(dyn, addr, ip, ninst, rex, rep, seg, ok, need_epilog);
             else {
-                DEFAULT;
+                addr = dynarec64_6764(dyn, addr, ip, ninst, rex, rep, seg, ok, need_epilog);
             }
             break;
 
diff --git a/src/dynarec/arm64/dynarec_arm64_6764.c b/src/dynarec/arm64/dynarec_arm64_6764.c
new file mode 100644
index 00000000..9d9bf405
--- /dev/null
+++ b/src/dynarec/arm64/dynarec_arm64_6764.c
@@ -0,0 +1,94 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <errno.h>
+
+#include "debug.h"
+#include "box64context.h"
+#include "box64cpu.h"
+#include "emu/x64emu_private.h"
+#include "x64emu.h"
+#include "box64stack.h"
+#include "callback.h"
+#include "emu/x64run_private.h"
+#include "x64trace.h"
+#include "dynarec_native.h"
+
+#include "arm64_printer.h"
+#include "dynarec_arm64_private.h"
+#include "../dynarec_helper.h"
+#include "dynarec_arm64_functions.h"
+
+#define GETGm gd = ((nextop & 0x38) >> 3)
+
+uintptr_t dynarec64_6764(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int seg, int* ok, int* need_epilog)
+{
+    (void)ip;
+    (void)need_epilog;
+
+    uint8_t opcode = F8;
+    uint8_t nextop;
+    uint8_t gd, ed, wback, wb, wb1, wb2, gb1, gb2, eb1, eb2;
+    int64_t fixedaddress;
+    int unscaled;
+    int8_t i8;
+    uint8_t u8;
+    int32_t i32;
+    int64_t j64, i64;
+    int cacheupd = 0;
+    int lock;
+    int v0, v1, s0;
+    MAYUSE(i32);
+    MAYUSE(j64);
+    MAYUSE(v0);
+    MAYUSE(v1);
+    MAYUSE(s0);
+    MAYUSE(lock);
+    MAYUSE(cacheupd);
+
+    rep = 0;
+    while ((opcode == 0xF2) || (opcode == 0xF3)) {
+        rep = opcode - 0xF1;
+        opcode = F8;
+    }
+
+    rex.rex = 0;
+    while (opcode >= 0x40 && opcode <= 0x4f) {
+        rex.rex = opcode;
+        opcode = F8;
+    }
+
+
+    switch (opcode) {
+
+        case 0x89:
+            INST_NAME("MOV Seg:Ed, Gd");
+            nextop = F8;
+            GETGD;
+            if (MODREG) { // reg <= reg
+                MOVxw_REG(TO_NAT((nextop & 7) + (rex.b << 3)), gd);
+            } else {      // mem <= reg
+                grab_segdata(dyn, addr, ninst, x4, seg, (MODREG));
+                addr = geted(dyn, addr, ninst, nextop, &ed, x2, &fixedaddress, NULL, 0, 0, rex, NULL, 0, 0);
+                STRxw_REG(gd, x4, ed);
+            }
+            break;
+
+        case 0x8B:
+            INST_NAME("MOV Gd, Seg:Ed");
+            nextop = F8;
+            GETGD;
+            if (MODREG) { // reg => reg
+                MOVxw_REG(gd, TO_NAT((nextop & 7) + (rex.b << 3)));
+            } else {      // mem => reg
+                grab_segdata(dyn, addr, ninst, x4, seg, (MODREG));
+                addr = geted(dyn, addr, ninst, nextop, &ed, x2, &fixedaddress, NULL, 0, 0, rex, NULL, 0, 0);
+                LDRxw_REG(gd, x4, ed);
+            }
+            break;
+
+        default:
+            DEFAULT;
+    }
+    return addr;
+}
diff --git a/src/dynarec/arm64/dynarec_arm64_helper.h b/src/dynarec/arm64/dynarec_arm64_helper.h
index f36601e6..b57d218b 100644
--- a/src/dynarec/arm64/dynarec_arm64_helper.h
+++ b/src/dynarec/arm64/dynarec_arm64_helper.h
@@ -1274,6 +1274,7 @@ void* arm64_next(x64emu_t* emu, uintptr_t addr);
 #define dynarec64_67       STEPNAME(dynarec64_67)
 #define dynarec64_67_32    STEPNAME(dynarec64_67_32)
 #define dynarec64_67_AVX   STEPNAME(dynarec64_67_AVX)
+#define dynarec64_6764     STEPNAME(dynarec64_6764)
 #define dynarec64_6764_32  STEPNAME(dynarec64_6764_32)
 #define dynarec64_D8       STEPNAME(dynarec64_D8)
 #define dynarec64_D9       STEPNAME(dynarec64_D9)
@@ -1722,6 +1723,7 @@ uintptr_t dynarec64_66(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
 uintptr_t dynarec64_67(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_67_32(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_67_AVX(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, vex_t vex, int* ok, int* need_epilog);
+uintptr_t dynarec64_6764(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int seg, int* ok, int* need_epilog);
 uintptr_t dynarec64_6764_32(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int seg, int* ok, int* need_epilog);
 uintptr_t dynarec64_D8(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);
 uintptr_t dynarec64_D9(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst, rex_t rex, int rep, int* ok, int* need_epilog);