dol: initial dol commit

[jump.git] / dol / src / dol / visitor / cell / lib / ppu / common.cpp

diff --git a/dol/src/dol/visitor/cell/lib/ppu/common.cpp b/dol/src/dol/visitor/cell/lib/ppu/common.cpp
new file mode 100644 (file)
index 0000000..bdaf7c8
--- /dev/null
+++ b/dol/src/dol/visitor/cell/lib/ppu/common.cpp
@@ -0,0 +1,28 @@
+/*
+ * common.cpp
+ *
+ *  Created on: Feb 27, 2009
+ *      Author: lschor
+ */
+
+#include "../common.h"
+
+/**
+ * Aligend a number to to the data bus
+ */
+uint32_t roundDMA(uint32_t number)
+{
+       if (number > 16)
+               if (number % 16 == 0) return number;
+               else return number + 16 - (number % 16);
+       else if (number > 8)
+               return 16;
+       else if (number > 4)
+               return 8;
+       else if (number > 2)
+               return 4;
+       else if (number > 1)
+               return 2;
+       else
+               return 1;
+}