random experiments with ptw.py

diff --git a/TLB/src/ariane/test_ptw.py b/TLB/src/ariane/test_ptw.py
index 7132eb4f72522385f6ca0295a534be969f82a740..35581bdb6c105bd4e3deec54983fed3f458f2f02 100644 (file)
--- a/TLB/src/ariane/test_ptw.py
+++ b/TLB/src/ariane/test_ptw.py
@@ -1,23 +1,49 @@
 from nmigen.compat.sim import run_simulation
 
-from ptw import PTW
+from ptw import PTW, PTE
 
 
 def testbench(dut):
+
+    addr = 0x8000000
+
+    #pte = PTE()
+    #yield pte.v.eq(1)
+    #yield pte.r.eq(1)
+
     yield dut.req_port_i.data_gnt.eq(1)
     yield dut.req_port_i.data_rvalid.eq(1)
-    yield dut.req_port_i.data_rdata.eq(0x0001)
+    yield dut.req_port_i.data_rdata.eq(0xc2<<56)#pte.flatten())
 
-    yield dut.enable_translation_i.eq(1)
+    yield dut.en_ld_st_translation_i.eq(1)
     yield dut.asid_i.eq(1)
 
-    yield dut.itlb_access_i.eq(1)
-    yield dut.itlb_hit_i.eq(0)
-    yield dut.itlb_vaddr_i.eq(0x0001)
+    yield dut.dtlb_access_i.eq(1)
+    yield dut.dtlb_hit_i.eq(0)
+    yield dut.dtlb_vaddr_i.eq(0x400000000)
+
+    yield
+    yield
+    yield
+
+    yield dut.dtlb_access_i.eq(1)
+    yield dut.dtlb_hit_i.eq(0)
+    yield dut.dtlb_vaddr_i.eq(0x200000)
 
     yield
     yield
     yield
+
+    yield dut.req_port_i.data_gnt.eq(0)
+    yield dut.dtlb_access_i.eq(1)
+    yield dut.dtlb_hit_i.eq(0)
+    yield dut.dtlb_vaddr_i.eq(0x400000011)
+
+    yield
+    yield dut.req_port_i.data_gnt.eq(1)
+    yield
+    yield
+
     yield
 
     

diff --git a/TLB/src/ariane/test_tlb.py b/TLB/src/ariane/test_tlb.py
index 2ef887c133d2f5c3ffba1ced0147b8c34cc45cf3..bebca7f06b7131a369a8de339ed30061a30488a8 100644 (file)
--- a/TLB/src/ariane/test_tlb.py
+++ b/TLB/src/ariane/test_tlb.py
@@ -10,11 +10,9 @@ def set_vaddr(addr):
 def testbench(dut):
     yield dut.lu_access_i.eq(1)
     yield dut.lu_asid_i.eq(1)
-    yield dut.lu_vaddr_i.eq(0x80000)
     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.vpn.eq(0x80000)
     yield dut.update_i.asid.eq(1)
     yield dut.update_i.content.ppn.eq(0)
     yield dut.update_i.content.rsw.eq(0)