test/orfs: use write_verilog -remove_cells exclude physical only cells

avoids empty.dff

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

test/orfs/gcd/BUILD

@@ -1,5 +1,6 @@
 load("@bazel-orfs//:eqy.bzl", "eqy_test")
 load("@bazel-orfs//:openroad.bzl", "orfs_flow", "orfs_run")
+load("//test/orfs/mock-array:mock-array.bzl", "ASAP7_REMOVE_CELLS")
 
 package(features = ["layering_check"])
 
@@ -50,6 +51,7 @@ STAGES = [
         "gcd_{stage}.v".format(stage = stage),
     ],
     arguments = {
+        "ASAP7_REMOVE_CELLS": " ".join(ASAP7_REMOVE_CELLS),
         "OUTPUT": "$(location :gcd_{stage}.v)".format(stage = stage),
     },
     script = "//test/orfs/mock-array:write_verilog.tcl",

test/orfs/mock-array/BUILD

@@ -1,7 +1,7 @@
 load("@bazel-orfs//:eqy.bzl", "eqy_test")
 load("@bazel-orfs//:openroad.bzl", "orfs_run")
 load("@bazel-orfs//toolchains/scala:chisel.bzl", "chisel_binary")
-load(":mock-array.bzl", "config", "element", "mock_array", "verilog")
+load(":mock-array.bzl", "ASAP7_REMOVE_CELLS", "config", "element", "mock_array", "verilog")
 
 package(
     features = ["-layering_check"],  # TODO: enable
@@ -111,6 +111,7 @@ orfs_run(
             "{}_floorplan.v".format(module),
         ],
         arguments = {
+            "ASAP7_REMOVE_CELLS": " ".join(ASAP7_REMOVE_CELLS),
             "OUTPUT": "$(location :{}_floorplan.v)".format(module),
         },
         script = ":write_verilog.tcl",
@@ -129,7 +130,6 @@ filegroup(
         "asap7/asap7sc7p5t_INVBUF_RVT_TT_201020.v",
         "asap7/asap7sc7p5t_OA_RVT_TT_201020.v",
         "asap7/asap7sc7p5t_SIMPLE_RVT_TT_201020.v",
-        "asap7/empty.v",
         "@docker_orfs//:OpenROAD-flow-scripts/flow/platforms/asap7/verilog/stdcell/dff.v",
     ],
     visibility = ["//visibility:public"],

test/orfs/mock-array/asap7/empty.v

@@ -10,6 +10,18 @@ load("@rules_shell//shell:sh_test.bzl", "sh_test")
 load("@rules_verilator//verilator:defs.bzl", "verilator_cc_library")
 load("@rules_verilator//verilog:defs.bzl", "verilog_library")
 
+# Empty cells we don't need or want, eqy doesn't grok them
+ASAP7_REMOVE_CELLS = [
+    "TAPCELL_ASAP7_75t_R",
+    "FILLERxp5_ASAP7_75",
+    "FILLER_ASAP7_75t_R",
+    "DECAPx1_ASAP7_75t_R",
+    "DECAPx2_ASAP7_75t_R",
+    "DECAPx4_ASAP7_75t_R",
+    "DECAPx6_ASAP7_75t_R",
+    "DECAPx10_ASAP7_75t_R",
+]
+
 FIRTOOL_OPTIONS = [
     "-disable-all-randomization",
     "-strip-debug-info",

test/orfs/mock-array/mock-array.bzl

@@ -1,2 +1,2 @@
 source $::env(SCRIPTS_DIR)/open.tcl
-write_verilog $::env(OUTPUT)
+log_cmd write_verilog -remove_cells $::env(ASAP7_REMOVE_CELLS) $::env(OUTPUT)