feat: implement privileged mode support

generated-ooo/verification/assert/DCache_Verification_Assert.sv

@@ -0,0 +1,38 @@
+// Generated by CIRCT firtool-1.139.0
+
+// Users can define 'STOP_COND' to add an extra gate to stop conditions.
+`ifndef STOP_COND_
+  `ifdef STOP_COND
+    `define STOP_COND_ (`STOP_COND)
+  `else  // STOP_COND
+    `define STOP_COND_ 1
+  `endif // STOP_COND
+`endif // not def STOP_COND_
+
+// Users can define 'ASSERT_VERBOSE_COND' to add an extra gate to assert error printing.
+`ifndef ASSERT_VERBOSE_COND_
+  `ifdef ASSERT_VERBOSE_COND
+    `define ASSERT_VERBOSE_COND_ (`ASSERT_VERBOSE_COND)
+  `else  // ASSERT_VERBOSE_COND
+    `define ASSERT_VERBOSE_COND_ 1
+  `endif // ASSERT_VERBOSE_COND
+`endif // not def ASSERT_VERBOSE_COND_
+module DCache_Verification_Assert();
+  `ifndef SYNTHESIS
+    always @(posedge DCache.clock) begin
+      if (~DCache.reset & DCache.io_reqValid
+          & (|((DCache._storeEndSet_T_6
+                  ? 3'h0
+                  : DCache._storeEndSet_T_4
+                      ? 3'h4
+                      : DCache._storeEndSet_T_2 ? 3'h2 : {2'h0, DCache._storeEndSet_T})
+               - 3'h1 & DCache.io_req_addr[2:0]))) begin
+        if (`ASSERT_VERBOSE_COND_)
+          $error("Assertion failed: DCache received misaligned request; LSU must trap before DCache\n");
+        if (`STOP_COND_)
+          $fatal;
+      end
+    end // always @(posedge)
+  `endif // not def SYNTHESIS
+endmodule
+