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authorMarcin Koƛcielnicki <mwk@0x04.net>2020-02-03 18:37:28 +0100
committerMarcelina Koƛcielnicka <mwk@0x04.net>2020-02-07 09:03:22 +0100
commit89adef352fde57fa599d66fe404c3c2b9e607a7f (patch)
tree57dc27856458c388187570d43178f43f3503bb46 /tests/arch/xilinx/lutram.ys
parentd48950d92d748cc24ecfefc5beab19ea899982df (diff)
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xilinx: Add support for LUT RAM on LUT4-based devices.
There are multiple other kinds of RAMs supported on these devices, but RAM16X1D is the only dual-port one. Fixes #1549
Diffstat (limited to 'tests/arch/xilinx/lutram.ys')
-rw-r--r--tests/arch/xilinx/lutram.ys20
1 files changed, 20 insertions, 0 deletions
diff --git a/tests/arch/xilinx/lutram.ys b/tests/arch/xilinx/lutram.ys
index 3f127a77e..cc7354501 100644
--- a/tests/arch/xilinx/lutram.ys
+++ b/tests/arch/xilinx/lutram.ys
@@ -135,3 +135,23 @@ select -assert-count 1 t:BUFG
select -assert-count 6 t:FDRE
select -assert-count 2 t:RAM64M
select -assert-none t:BUFG t:FDRE t:RAM64M %% t:* %D
+
+
+design -reset
+read_verilog ../common/lutram.v
+hierarchy -top lutram_1w1r -chparam A_WIDTH 4
+proc
+memory -nomap
+equiv_opt -run :prove -map +/xilinx/cells_sim.v synth_xilinx -family xc3s -noiopad
+memory
+opt -full
+
+miter -equiv -flatten -make_assert -make_outputs gold gate miter
+sat -verify -prove-asserts -seq 3 -set-init-zero -show-inputs -show-outputs miter
+
+design -load postopt
+cd lutram_1w1r
+select -assert-count 1 t:BUFG
+select -assert-count 8 t:FDRE
+select -assert-count 8 t:RAM16X1D
+select -assert-none t:BUFG t:FDRE t:RAM16X1D %% t:* %D