Add and use DREAMPlaceFPGA.isDREAMPlaceFPGAOnPath()

Signed-off-by: Eddie Hung <[email protected]>
Xilinx · Oct 26, 2024 · b731d00 · b731d00
1 parent 4be072e
commit b731d00
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diff --git a/src/com/xilinx/rapidwright/placer/dreamplacefpga/DREAMPlaceFPGA.java b/src/com/xilinx/rapidwright/placer/dreamplacefpga/DREAMPlaceFPGA.java
@@ -242,6 +242,14 @@ public static Design placeDesign(EDIFNetlist netlist, Path workDir, boolean make
         return placedDesign;
     }
 
+    /**
+     * Checks if dreamplacefpga is available on current PATH (uses unix 'which' or windows 'where').
+     * @return true if yosys is on current PATH, false otherwise.
+     */
+    public static boolean isDREAMPlaceFPGAOnPath() {
+        return FileTools.isExecutableOnPath(dreamPlaceFPGAExec);
+    }
+
     public static void main(String[] args) throws IOException {
         // Usage: <input DCP> <output DCP> [--out_of_context] [work directory]
         if (args.length < 2 || args.length > 4) {

diff --git a/test/src/com/xilinx/rapidwright/placer/TestDREAMPlaceFPGA.java b/test/src/com/xilinx/rapidwright/placer/TestDREAMPlaceFPGA.java
@@ -29,6 +29,7 @@
 import com.xilinx.rapidwright.util.ReportRouteStatusResult;
 import com.xilinx.rapidwright.util.VivadoTools;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.io.TempDir;
 
@@ -40,6 +41,9 @@ public class TestDREAMPlaceFPGA {
 
     @Test
     public void testDREAMPlaceFPGAMain(@TempDir Path tempDir) throws IOException {
+        // Skip test if dreamplacefpga is not on PATH
+        Assumptions.assumeTrue(DREAMPlaceFPGA.isDREAMPlaceFPGAOnPath());
+
         String inputDcp = RapidWrightDCP.getString("gnl_2_4_3_1.3_gnl_3000_07_3_80_80_placed.dcp");
         String outputDcp = tempDir.resolve("output.dcp").toString();
         DREAMPlaceFPGA.main(new String[]{inputDcp, outputDcp, DREAMPlaceFPGA.MAKE_DCP_OUT_OF_CONTEXT, tempDir.toString()});
@@ -52,6 +56,9 @@ public void testDREAMPlaceFPGAMain(@TempDir Path tempDir) throws IOException {
 
     @Test
     public void testDREAMPlaceFPGA(@TempDir Path tempDir) throws IOException {
+        // Skip test if dreamplacefpga is not on PATH
+        Assumptions.assumeTrue(DREAMPlaceFPGA.isDREAMPlaceFPGAOnPath());
+
         boolean skipXdef = true;
         Design design = RapidWrightDCP.loadDCP("gnl_2_4_3_1.3_gnl_3000_07_3_80_80_placed.dcp", skipXdef);
         Assertions.assertTrue(design.getUsedSites().isEmpty());