from nmigen.compat.sim import run_simulation
from TLB.ariane.tlb_content import TLBContent
+from TestUtil.test_helper import assert_op, assert_eq
-#def set_vaddr(addr):
-# yield dut.lu_vaddr_i.eq(addr)
-# yield dut.update_i.vpn.eq(addr>>12)
-
-def tbench(dut):
- yield
+def update(dut,a,t,g,m):
+ yield dut.replace_en_i.eq(1)
+ yield dut.update_i.valid.eq(1)
+ yield dut.update_i.is_512G.eq(t)
+ yield dut.update_i.is_1G.eq(g)
+ yield dut.update_i.is_2M.eq(m)
+ yield dut.update_i.vpn.eq(a)
yield
yield
+def check_hit(dut,hit,t):
+ hit_d = yield dut.lu_hit_o
+ assert_eq("hit", hit_d, hit)
+ t_d = yield dut.lu_is_512G_o
+ assert_eq("t", t_d, t)
+
+def addr(a,b,c,d):
+ return a | b << 9 | c << 18 | d << 27
+
+def tbench(dut):
+ yield dut.vpn0.eq(0xAA)
+ yield dut.vpn1.eq(0xBB)
+ yield dut.vpn2.eq(0xCC)
+ yield dut.vpn3.eq(0x0D)
+ yield from update(dut,addr(0x0A,0x0B,0x0C,0x0D),1,0,0)
+ yield from check_hit(dut,1,1)
+ yield from update(dut,addr(0x0A,0x0B,0x0C,0x0D),0,1,0)
+ yield from update(dut,addr(0x0A,0x0B,0x0C,0x0D),0,0,1)
+
+
+
+
if __name__ == "__main__":
dut = TLBContent(4,4)
#