common modules: eos-s3: add analysis stage

Signed-off-by: Paweł Czarnecki <pczarnecki@antmicro.com>

.github/eos-s3_test.json

@@ -8,7 +8,8 @@
             "eos-s3/btn_counter/btn_counter.v"
         ],
         "synth_log": "synth.log",
-        "pack_log": "pack.log"
+        "pack_log": "pack.log",
+        "analysis_log": "analysis.log"
     },
     "EOS3FF512-PDN64": {
         "default_target": "bitstream",
@@ -18,8 +19,7 @@
             "sdc-in": "eos-s3/btn_counter/dummy.sdc"
         },
         "values": {
-            "part": "ql-eos-s3",
+            "part": "ql-eos-s3"
-            "package": "PD64"
         }
     }
 }

f4pga/common.py

@@ -174,6 +174,8 @@ def vpr(mode: str, vprargs: VprArgs, cwd=None):
         modeargs = ['--place']
     elif mode == 'route':
         modeargs = ['--route']
+    elif mode == 'analysis':
+        modeargs = ['--analysis']
 
     return sub(*([
         'vpr',

f4pga/common_modules/analysis.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2022 F4PGA Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# SPDX-License-Identifier: Apache-2.0
+
+from pathlib import Path
+from shutil import move as sh_mv
+
+from f4pga.common import *
+from f4pga.module import Module, ModuleContext
+
+
+def analysis_merged_post_implementation_file(ctx: ModuleContext):
+    return str(Path(ctx.takes.eblif).with_suffix('')) + '_merged_post_implementation.v'
+
+
+def analysis_post_implementation_file(ctx: ModuleContext):
+    return str(Path(ctx.takes.eblif).with_suffix('')) + '_post_synthesis.v'
+
+
+class analysisModule(Module):
+    def map_io(self, ctx: ModuleContext):
+        return {
+            'merged_post_implementation_v': analysis_merged_post_implementation_file(ctx),
+            'post_implementation_v': analysis_post_implementation_file(ctx)
+        }
+
+    def execute(self, ctx: ModuleContext):
+        build_dir = str(Path(ctx.takes.eblif).parent)
+
+        vpr_options = []
+        if ctx.values.vpr_options:
+            vpr_options = options_dict_to_list(ctx.values.vpr_options)
+
+        yield 'Analysis with VPR...'
+        vpr(
+            'analysis',
+            VprArgs(
+                ctx.share,
+                ctx.takes.eblif,
+                ctx.values,
+                sdc_file=ctx.takes.sdc
+            ),
+            cwd=build_dir
+        )
+
+        if ctx.is_output_explicit('merged_post_implementation_v'):
+            sh_mv(analysis_merged_post_implementation_file(ctx), ctx.outputs.merged_post_implementation_v)
+
+        if ctx.is_output_explicit('post_implementation_v'):
+            sh_mv(analysis_post_implementation_file(ctx), ctx.outputs.post_implementation_v)
+
+        yield 'Saving log...'
+        save_vpr_log('analysis.log', build_dir=build_dir)
+
+    def __init__(self, _):
+        self.name = 'analysis'
+        self.no_of_phases = 2
+        self.takes = [
+            'eblif',
+            'route',
+            'sdc?'
+        ]
+        self.produces = [
+            'merged_post_implementation_v',
+            'post_implementation_v',
+            'analysis_log'
+        ]
+        self.values = [
+            'device',
+            'vpr_options?'
+        ] + vpr_specific_values()
+
+ModuleClass = analysisModule

f4pga/platforms/ql-eos-s3.json

@@ -11,6 +11,7 @@
         "iomux_binary": "common:generic_script_wrapper",
         "place": "common:place",
         "route": "common:route",
+        "analysis": "common:analysis",
         "fasm": "common:fasm",
         "bitstream": "common:generic_script_wrapper"
     },
@@ -270,6 +271,45 @@
                 }
             }
         },
+        "analysis": {
+            "values": {
+                "device": "ql-eos-s3",
+                "device_alt": "ql-eos-s3_wlcsp",
+                "pinmap": "${shareDir}/arch/ql-eos-s3_wlcsp/pinmap_PD64.csv",
+                "arch_def": "${shareDir}/arch/ql-eos-s3_wlcsp/arch.timing.xml",
+                "rr_graph_lookahead_bin": "${shareDir}/arch/ql-eos-s3_wlcsp/rr_graph_ql-eos-s3_wlcsp.lookahead.bin",
+                "rr_graph_real_bin": "${shareDir}/arch/ql-eos-s3_wlcsp/rr_graph_ql-eos-s3_wlcsp.rr_graph.real.bin",
+                "vpr_place_delay": "${shareDir}/arch/ql-eos-s3_wlcsp/rr_graph_ql-eos-s3_wlcsp.place_delay.bin",
+                "vpr_grid_layout_name": "ql-eos-s3",
+                "vpr_options": {
+                    "gen_post_synthesis_netlist": "on",
+                    "gen_post_implementation_merged_netlist": "on",
+                    "post_synth_netlist_unconn_inputs": "nets",
+                    "post_synth_netlist_unconn_outputs": "nets",
+                    "verify_file_digests": "off",
+                    "max_router_iterations": 500,
+                    "routing_failure_predictor": "off",
+                    "router_high_fanout_threshold": -1,
+                    "constant_net_method": "route",
+                    "route_chan_width": 100,
+                    "clock_modeling": "route",
+                    "place_delay_model": "delta_override",
+                    "router_lookahead": "extended_map",
+                    "check_route": "quick",
+                    "strict_checks": "off",
+                    "allow_dangling_combinational_nodes": "on",
+                    "disable_errors": "check_unbuffered_edges:check_route",
+                    "congested_routing_iteration_threshold": "0.8",
+                    "incremental_reroute_delay_ripup": "off",
+                    "base_cost_type": "delay_normalized_length_bounded",
+                    "bb_factor": "10",
+                    "initial_pres_fac": "4.0",
+                    "check_rr_graph": "off",
+                    "pack_high_fanout_threshold": "PB-lOGIC:18",
+                    "suppress_warnings": "${noisyWarnings},sum_pin_class:check_unbuffered_edges:load_rr_indexed_data_T_values:check_rr_node:trans_per_R:check_route:set_rr_graph_tool_comment "
+                }
+            }
+        },
         "bitstream": {
             "params": {
                 "stage_name": "bitstream",