On 11/30/21 12:57 PM, Laurent Vivier wrote:
+DISAS_INSN(trapcc)
+{
+    /* Consume and discard the immediate operand. */
+    switch (extract32(insn, 0, 3)) {
+    case 2: /* trapcc.w */
+        (void)read_im16(env, s);
+        break;
+    case 3: /* trapcc.l */
+        (void)read_im32(env, s);
+        break;

Do we need to actually read the memory to trigger a fault if needed or can we only increase the PC?

Yes, and to pass the entire instruction to plugins.

+    case 4: /* trapcc (no operand) */
+        break;
+    default:
+        /* Illegal insn */
+        disas_undef(env, s, insn);
+        return;
+    }
+    do_trapcc(s, extract32(insn, 8, 4));
+}

Do we need to change something in m68k_interrupt_all()?

Yes, and cpu_loop.  Thanks,


r~

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