Add memory_libmap tests.

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/memlib/memlib_lut.v b/tests/memlib/memlib_lut.v
new file mode 100644
index 000000000..1f20a110a
--- /dev/null
+++ b/tests/memlib/memlib_lut.v
@@ -0,0 +1,30 @@
+module RAM_LUT(
+	input [3:0] PORT_R_ADDR,
+	input [3:0] PORT_RW_ADDR,
+	input PORT_RW_CLK,
+	input PORT_RW_WR_EN,
+	input [3:0] PORT_RW_WR_DATA,
+	output [3:0] PORT_R_RD_DATA,
+	output [3:0] PORT_RW_RD_DATA
+);
+
+parameter INIT = 0;
+parameter PORT_RW_CLK_POL = 1;
+
+reg [3:0] mem [0:15];
+
+integer i;
+initial
+	for (i = 0; i < 16; i += 1)
+		mem[i] = INIT[i*4+:4];
+
+assign PORT_R_RD_DATA = mem[PORT_R_ADDR];
+assign PORT_RW_RD_DATA = mem[PORT_RW_ADDR];
+
+wire CLK = PORT_RW_CLK ~^ PORT_RW_CLK_POL;
+
+always @(posedge CLK)
+	if (PORT_RW_WR_EN)
+		mem[PORT_RW_ADDR] <= PORT_RW_WR_DATA;
+
+endmodule