diff --git a/script/ci/src/Main.scala b/script/ci/src/Main.scala
index d52c3bcab..229ae9699 100644
--- a/script/ci/src/Main.scala
+++ b/script/ci/src/Main.scala
@@ -162,9 +162,8 @@ object Main:
 
         val testAttr = testType.toLowerCase() match
           case "verilator" =>
-            s".#t1.$config.ip.cases.$caseName.emu-result.verilator-check"
-          case "vcs" => s".#t1.$config.ip.cases.$caseName.emu-result.vcs-check"
-          case "t1rocket" => s".#t1.t1rocketemu.cases.$caseName.emu-result.t1rocket-check"
+            s".#t1.$config.ip.verilator-emu.cases.$caseName.emu-result"
+          case "vcs" => s".#t1.$config.ip.vcs-emu.cases.$caseName.emu-result"
           case _     => Logger.fatal(s"Invalid test type ${testType}")
         val testResultPath =
           try
@@ -187,7 +186,7 @@ object Main:
           os.read(testResultPath / "offline-check-status").trim() == "0"
         if !testSuccess then
           Logger.error(s"Offline check FAILED for $caseName ($config)")
-          allFailedTest :+ s"t1.$config.ip.cases.$caseName"
+          allFailedTest :+ testAttr
         else
           Logger.info(s"Offline check PASS for $caseName ($config)")
           allFailedTest
@@ -269,8 +268,8 @@ object Main:
         Logger.info("Fetching CI results")
         val resultAttr = emuType.toLowerCase() match
           case "verilator" =>
-            s".#t1.$config.ip.cases._allEmuResult"
-          case "vcs" => s".#t1.$config.ip.cases._allVCSEmuResult"
+            s".#t1.$config.verilator-emu.ip.verilator-emu.cases._allEmuResult"
+          case "vcs" => s".#t1.$config.vcs-emu.ip.cases.vcs-emu._allVCSEmuResult"
           case _     => Logger.fatal(s"Invalid test type ${emuType}")
         val emuResultPath = os.Path(nixResolvePath(
           resultAttr,
@@ -360,7 +359,7 @@ object Main:
 
     import scala.util.chaining._
     val testPlans: Seq[String] = emulatorConfigs.flatMap: configName =>
-      val allCasesPath = nixResolvePath(s".#t1.$configName.ip.cases._all")
+      val allCasesPath = nixResolvePath(s".#t1.$configName.verilator-emu.ip.cases._all")
       os.walk(os.Path(allCasesPath) / "configs")
         .filter: path =>
           path.ext == "json"
diff --git a/t1rocketemu/nix/rtl.nix b/t1rocketemu/nix/rtl.nix
index 93b41a309..35284df49 100644
--- a/t1rocketemu/nix/rtl.nix
+++ b/t1rocketemu/nix/rtl.nix
@@ -22,5 +22,8 @@ stdenvNoCC.mkDerivation {
     mkdir -p $out
 
     firtool ${mlirbc} ${mfcArgs} -o $out
+    echo "Fixing generated filelist.f"
+    cp $out/filelist.f original.f
+    cat $out/firrtl_black_box_resource_files.f original.f > $out/filelist.f
   '';
 }
diff --git a/t1rocketemu/nix/vcs.nix b/t1rocketemu/nix/vcs.nix
index d44360983..48758bd4f 100644
--- a/t1rocketemu/nix/vcs.nix
+++ b/t1rocketemu/nix/vcs.nix
@@ -2,6 +2,7 @@
 , bash
 , stdenv
 , rtl
+, rtlDesignMetadata
 , callPackage
 , vcs-dpi-lib
 , vcs-fhs-env
@@ -40,7 +41,7 @@ let
 
     passthru = {
       inherit (vcs-dpi-lib) enable-trace;
-      inherit vcs-fhs-env;
+      inherit vcs-fhs-env rtlDesignMetadata;
 
       cases = callPackage ../../tests {
         configName = "t1rocket";
diff --git a/t1rocketemu/nix/verilated-c-lib.nix b/t1rocketemu/nix/verilated-c-lib.nix
index 63bd7d8ec..8f6394e17 100644
--- a/t1rocketemu/nix/verilated-c-lib.nix
+++ b/t1rocketemu/nix/verilated-c-lib.nix
@@ -1,5 +1,4 @@
 { lib
-, fetchgit
 , stdenv
 , rtl
 , verilator
@@ -7,17 +6,6 @@
 , zlib
 }:
 
-let
-  rocket-chip-v-src = fetchgit {
-    url = "https://github.com/chipsalliance/rocket-chip.git";
-    rev = "833385404d9c722bdfad3e453c19a3ac6f40dbf0";
-    fetchSubmodules = false;
-    sparseCheckout = [
-      "src/main/resources/vsrc"
-    ];
-    hash = "sha256-CUq9VDwb7ZtclosgOWfDZMOpH+U/yBjL5CNiXZRiB80=";
-  };
-in
 stdenv.mkDerivation {
   name = "t1rocket-verilated";
 
@@ -27,22 +15,17 @@ stdenv.mkDerivation {
 
   propagatedBuildInputs = [ zlib ];
 
-  env.rocketChipVSrc = "${rocket-chip-v-src}/src/main/resources/vsrc/";
-
   buildPhase = ''
     runHook preBuild
 
     echo "[nix] running verilator"
     # FIXME: fix all the warning and remove -Wno-<msg> flag here
     verilator \
-      -I"$rocketChipVSrc" \
       ${lib.optionalString enable-trace "--trace-fst"} \
       --timing \
       --threads 8 \
       --threads-max-mtasks 8000 \
       -O1 \
-      -Wno-WIDTHEXPAND \
-      -Wno-LATCH \
       --cc TestBench
 
     echo "[nix] building verilated C lib"
@@ -63,7 +46,7 @@ stdenv.mkDerivation {
   hardeningDisable = [ "fortify" ];
 
   passthru = {
-    inherit enable-trace rocket-chip-v-src;
+    inherit enable-trace;
   };
 
   installPhase = ''