1 files changed, 38 insertions, 0 deletions
diff --git a/util/romcc/tests/simple_test3.c b/util/romcc/tests/simple_test3.c
new file mode 100644
index 0000000000..008d0ab528
--- /dev/null
+++ b/util/romcc/tests/simple_test3.c
@@ -0,0 +1,38 @@
+static void spd_set_drb(void)
+{
+	/*
+	 * Effects:	Uses serial presence detect to set the
+	 *              DRB registers which holds the ending memory address assigned
+	 *              to each DIMM.
+	 */
+	unsigned end_of_memory;
+	unsigned device;
+	
+	end_of_memory = 0; /* in multiples of 8MiB */
+	device = 0x50;
+	while (device <= 0x53) {
+		unsigned side1_bits, side2_bits;
+		int byte, byte2;
+
+		side1_bits = side2_bits = -1;
+
+		/* rows */
+		byte = -1;
+		if (1) {
+			/* now I have the ram size in bits as a power of two (less 1) */
+			/* Make it mulitples of 8MB */
+			side1_bits -= 25;
+		}
+		
+		/* Compute the end address for the DRB register */
+		/* Only process dimms < 2GB (2^8 * 8MB) */
+		if (1) {
+			end_of_memory += side1_bits;
+		}
+		__builtin_outl(end_of_memory, 0x1234);
+
+		if (1) {
+			end_of_memory += side2_bits;
+		}
+	}
+}