Add functions to add dram streams and interfaces

sjshao09 · Sep 11, 2015 · 4000c18 · 4000c18
1 parent bb7e613
commit 4000c18
Showing 1 changed file with 25 additions and 0 deletions.
diff --git a/src/com/custom_computing_ic/dfe_snippets/manager/ManagerUtils.java b/src/com/custom_computing_ic/dfe_snippets/manager/ManagerUtils.java
@@ -75,6 +75,19 @@ public static EngineInterface interfaceWrite(String name, String fromCpuStream,
     return ei;
   }
 
+  public static EngineInterface dramWrite(CustomManager m) {
+    m.addStreamToOnCardMemory("cpu2lmem", MemoryControlGroup.MemoryAccessPattern.LINEAR_1D) <== m.addStreamFromCPU("fromcpu");
+    EngineInterface ei = new EngineInterface("dramWrite");
+    CPUTypes TYPE = CPUTypes.INT;
+    InterfaceParam size = ei.addParam("size_bytes", TYPE);
+    InterfaceParam start = ei.addParam("start_bytes", TYPE);
+    ei.setStream("fromcpu", CPUTypes.UINT8, size);
+    ei.setLMemLinear("cpu2lmem", start, size);
+    ei.ignoreAll(Direction.IN_OUT);
+    return ei;
+  }
+
+
   // A generic DRAM read interface
   public static EngineInterface interfaceRead(String name, String toCpuStream, String lmem2cpuStream) {
     EngineInterface ei = new EngineInterface(name);
@@ -87,6 +100,18 @@ public static EngineInterface interfaceRead(String name, String toCpuStream, Str
     return ei;
   }
 
+  public static EngineInterface dramRead(CustomManager m) {
+    m.addStreamToCPU("tocpu") <== m.addStreamFromOnCardMemory("lmem2cpu", MemoryControlGroup.MemoryAccessPattern.LINEAR_1D);
+    EngineInterface ei = new EngineInterface("dramRead");
+    CPUTypes TYPE = CPUTypes.INT;
+    InterfaceParam size = ei.addParam("size_bytes", TYPE);
+    InterfaceParam start = ei.addParam("start_bytes", TYPE);
+    ei.setStream("tocpu", CPUTypes.UINT8, size);
+    ei.setLMemLinear("lmem2cpu", start, size);
+    ei.ignoreAll(Direction.IN_OUT);
+    return ei;
+  }
+
   // Enable debugging with Stream Status for the given manager
   public static void debug(CustomManager manager) {
     DebugLevel dbgLevel = new DebugLevel();