Move files into correct folders within ariane

[soc.git] / TLB / src / ariane / test / test_tlb.py

diff --git a/TLB/src/ariane/test/test_tlb.py b/TLB/src/ariane/test/test_tlb.py
new file mode 100644 (file)
index 0000000..aab1d43
--- /dev/null
+++ b/TLB/src/ariane/test/test_tlb.py
@@ -0,0 +1,69 @@
+import sys
+sys.path.append("../src")
+sys.path.append("../../../TestUtil")
+
+from nmigen.compat.sim import run_simulation
+
+from tlb import TLB
+
+def set_vaddr(addr):
+    yield dut.lu_vaddr_i.eq(addr)
+    yield dut.update_i.vpn.eq(addr>>12)
+
+
+def testbench(dut):
+    yield dut.lu_access_i.eq(1)
+    yield dut.lu_asid_i.eq(1)
+    yield dut.update_i.valid.eq(1)
+    yield dut.update_i.is_1G.eq(0)
+    yield dut.update_i.is_2M.eq(0)
+    yield dut.update_i.asid.eq(1)
+    yield dut.update_i.content.ppn.eq(0)
+    yield dut.update_i.content.rsw.eq(0)
+    yield dut.update_i.content.r.eq(1)
+
+    yield
+
+    addr = 0x80000
+    yield from set_vaddr(addr)
+    yield
+
+    addr = 0x90001
+    yield from set_vaddr(addr)
+    yield
+
+    addr = 0x28000000
+    yield from set_vaddr(addr)
+    yield
+
+    addr = 0x28000001
+    yield from set_vaddr(addr)
+
+    addr = 0x28000001
+    yield from set_vaddr(addr)
+    yield
+
+    addr = 0x1000040000
+    yield from set_vaddr(addr)
+    yield
+
+    addr = 0x1000040001
+    yield from set_vaddr(addr)
+    yield
+
+    yield dut.update_i.is_1G.eq(1)
+    addr = 0x2040000
+    yield from set_vaddr(addr)
+    yield
+
+    yield dut.update_i.is_1G.eq(1)
+    addr = 0x2040001
+    yield from set_vaddr(addr)
+    yield
+
+    yield
+
+
+if __name__ == "__main__":
+    dut = TLB()
+    run_simulation(dut, testbench(dut), vcd_name="test_tlb.vcd")