Sky130hd

BUILD

@@ -2,6 +2,7 @@ load("@bazel-orfs-pip//:requirements.bzl", "requirement")
 load("@rules_python//python:pip.bzl", "compile_pip_requirements")
 load("//:eqy.bzl", "eqy_test")
 load("//:openroad.bzl", "get_stage_args", "orfs_floorplan", "orfs_flow", "orfs_run")
+load("//:ppa.bzl", "orfs_ppa")
 load("//:sweep.bzl", "orfs_sweep")
 
 exports_files(["mock_area.tcl"])
@@ -326,6 +327,7 @@ exports_files(
     [
         "sweep-wns.tcl",
         "wns_report.py",
+        "power.tcl",
     ],
 )
 
@@ -389,3 +391,38 @@ genrule(
     ],
     cmd = "wc -l $(locations :gatelist) $(locations :spef) > $@",
 )
+
+py_binary(
+    name = "plot_clock_period_tool",
+    srcs = [
+        "plot_clock_period.py",
+    ],
+    main = "plot_clock_period.py",
+    visibility = ["//visibility:public"],
+    deps = [
+        requirement("PyYAML"),
+        requirement("matplotlib"),
+    ],
+)
+
+orfs_ppa(
+    name = "plot",
+    plot = ["lb_32x128_{}_cts".format(i + 1) for i in range(4)],
+    title = "lb_32x128 variants",
+)
+
+orfs_flow(
+    name = "lb_32x128_sky130hd",
+    arguments = {
+        "CORE_UTILIZATION": "10",
+        "CORE_ASPECT_RATIO": "2",
+        "SKIP_REPORT_METRICS": "1",
+        "SDC_FILE": "$(location :constraints-sram-sky130hd.sdc)",
+    },
+    pdk = "@docker_orfs//:sky130hd",
+    sources = {
+        "SDC_FILE": [":constraints-sram-sky130hd.sdc"],
+    },
+    top = "lb_32x128",
+    verilog_files = LB_VERILOG_FILES,
+)

constraints-sram-sky130hd.sdc

@@ -0,0 +1,39 @@
+set sdc_version 2.0
+
+#
+# SDC file used during SRAM abstract generation
+#
+
+set clk_period 10
+
+# Covers all clock naming types in SRAMs and reg files
+set clock_ports [concat [get_ports -quiet *clk] [get_ports -quiet *clock]]
+
+if {[llength $clock_ports] == 0} {
+  error "No clock ports found"
+}
+
+foreach clk_port $clock_ports {
+  set clk_name [get_name $clk_port]
+  create_clock -period $clk_period -name $clk_name $clk_port
+}
+
+set non_clk_inputs {}
+foreach input [all_inputs] {
+  if {[lsearch -exact $clock_ports $input] == -1} {
+    lappend non_clk_inputs $input
+  }
+}
+
+set_max_delay [expr {[info exists in2out_max] ? $in2out_max : 80}] -from $non_clk_inputs -to [all_outputs]
+group_path -name in2out -from $non_clk_inputs -to [all_outputs]
+
+if {[llength [all_registers]] > 0} {
+  set all_register_outputs [get_pins -of_objects [all_registers] -filter {direction == output}]
+  set_max_delay [expr {[info exists in2reg_max] ? $in2reg_max : 80}] -from $non_clk_inputs -to [all_registers]
+  set_max_delay [expr {[info exists reg2out_max] ? $reg2out_max : 80}] -from $all_register_outputs -to [all_outputs]
+
+  group_path -name in2reg -from $non_clk_inputs -to [all_registers]
+  group_path -name reg2out -from [all_registers] -to [all_outputs]
+  group_path -name reg2reg -from [all_registers] -to [all_registers]
+}

docker.BUILD.bazel

@@ -99,11 +99,10 @@ filegroup(
 )
 
 MAKEFILE_SHARED = [
-        "OpenROAD-flow-scripts/flow/util/utils.mk",
-        "OpenROAD-flow-scripts/flow/scripts/*.py",
-        "OpenROAD-flow-scripts/flow/scripts/*.sh",
-        "OpenROAD-flow-scripts/flow/scripts/*.yaml",
-
+    "OpenROAD-flow-scripts/flow/util/utils.mk",
+    "OpenROAD-flow-scripts/flow/scripts/*.py",
+    "OpenROAD-flow-scripts/flow/scripts/*.sh",
+    "OpenROAD-flow-scripts/flow/scripts/*.yaml",
 ]
 
 # Narrowly define yosys dependencies to avoid hours of resynthesis
@@ -133,20 +132,29 @@ filegroup(
     visibility = ["//visibility:public"],
 )
 
-orfs_pdk(
-    name = "asap7",
+#print(["OpenROAD-flow-scripts/flow/platforms/{pdk}/**/*.{ext}".format(pdk = "asap7", ext = ext) for ext in ["gds", "lib.gz", "lef", "lib", "lyt", "mk", "rules", "sdc", "tcl", "v", "tlef"]]] + +["OpenROAD-flow-scripts/flow/platforms/common/**/*.v"])
+
+[orfs_pdk(
+    name = pdk,
     srcs = glob([
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.gds",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.lib.gz",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.lef",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.lib",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.lyt",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.mk",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.rules",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.sdc",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.tcl",
-        "OpenROAD-flow-scripts/flow/platforms/asap7/**/*.v",
-        "OpenROAD-flow-scripts/flow/platforms/common/**/*.v",
-    ]),
+                    "OpenROAD-flow-scripts/flow/platforms/{pdk}/**/*.{ext}".format(pdk = pdk, ext = ext)
+                    for ext in [
+                        "gds",
+                        "lib.gz",
+                        "lef",
+                        "lib",
+                        "lyt",
+                        "mk",
+                        "rules",
+                        "sdc",
+                        "tcl",
+                        "v",
+                        "tlef",
+                    ]
+                ] +
+                ["OpenROAD-flow-scripts/flow/platforms/common/**/*.v"]),
     visibility = ["//visibility:public"],
-)
+) for pdk in [
+    "asap7",
+    "sky130hd",
+]]

open_plots.sh

@@ -0,0 +1,2 @@
+#!/bin/bash
+xdg-open $1