synth: parallel

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

BUILD.bazel

@@ -511,3 +511,127 @@ orfs_run(
     ],
     script = ":write_macros.tcl",
 )
+
+# BLACKBOXES are those listed in SYNTH_HIERARCHICAL=1
+#
+# 33.1. IC_DATA_ICACHE_TAG_HIGH12_ICACHE_TAG_LOW6_ICACHE_IC_DEPTH8' to `<abc-temp-dir>/input.blif'..
+
+BLACKBOXES = [
+    "ALU",
+    "ALUUnit",
+    "ALUUnit_1",
+    "ALUUnit_2",
+    "AMOALU",
+    "Arbiter_5",
+    "Arbiter_6",
+    "Arbiter_7",
+    "BIMBranchPredictorBank",
+    "BTBBranchPredictorBank",
+    "BoomCore",
+    "BoomDuplicatedDataArray",
+    "BoomFrontend",
+    "BoomIOMSHR",
+    "BoomMSHR",
+    "BoomMSHRFile",
+    "BoomNonBlockingDCache",
+    "BoomRAS",
+    "BoomTile",
+    "BranchDecode",
+    "BranchKillableQueue",
+    "BranchKillableQueue_10",
+    "BranchKillableQueue_11",
+    "BranchKillableQueue_9",
+    "BranchMaskGenerationLogic",
+    "BranchPredictor",
+    "CSRFile",
+    "DecodeUnit",
+    "DivSqrtRecF64ToRaw_mulAddZ31",
+    "FAMicroBTBBranchPredictorBank",
+    "FDivSqrtUnit",
+    "FPToInt",
+    "FPU",
+    "FPUExeUnit",
+    "FPUUnit",
+    "FetchBuffer",
+    "FetchTargetQueue",
+    "ForwardingAgeLogic",
+    "FpPipeline",
+    "ICache",
+    "INToRecFN",
+    "INToRecFN_1",
+    "IntToFP",
+    "IntToFPUnit",
+    "IssueSlot_32",
+    "IssueUnitCollapsing",
+    "IssueUnitCollapsing_1",
+    "IssueUnitCollapsing_2",
+    "L1MetadataArray",
+    "LSU",
+    "LoopBranchPredictorColumn",
+    "MulAddRecFNToRaw_postMul",
+    "MulAddRecFNToRaw_postMul_1",
+    "MulAddRecFNToRaw_preMul",
+    "MulAddRecFNToRaw_preMul_1",
+    "MulDiv",
+    "NBDTLB",
+    "PMPChecker",
+    "PMPChecker_1",
+    "PTW",
+    "Queue_20",
+    "Queue_22",
+    "RVCExpander",
+    "RecFNToIN",
+    "RecFNToIN_1",
+    "RegisterFileSynthesizable",
+    "RegisterFileSynthesizable_1",
+    "RegisterRead",
+    "RegisterRead_1",
+    "RenameBusyTable",
+    "RenameBusyTable_1",
+    "RenameFreeList",
+    "RenameFreeList_1",
+    "RenameMapTable",
+    "RenameMapTable_1",
+    "RenameStage",
+    "RenameStage_1",
+    "Rob",
+    "RoundAnyRawFNToRecFN_2",
+    "RoundAnyRawFNToRecFN_3",
+    "RoundAnyRawFNToRecFN_4",
+    "RoundAnyRawFNToRecFN_7",
+    "TLB",
+    "TLWidthWidget_9",
+    "TageBranchPredictorBank",
+    "TageTable",
+    "TageTable_1",
+    "TageTable_2",
+    "TageTable_3",
+    "TageTable_4",
+    "TageTable_5",
+]
+
+[orfs_flow(
+    name = "{name}".format(name = name),
+    arguments = {
+        "SYNTH_BLACKBOXES": " ".join([b for b in BLACKBOXES if b != name]),
+    } | BOOMTILE_VARIABLES,
+    macros = [
+        ":" + m + "_generate_abstract"
+        for m in boomtile_all_rams
+    ],
+    stage_sources = BOOMTILE_SOURCES,
+    variant = "netlist",
+    verilog_files = all_source_files,
+) for name in BLACKBOXES]
+
+[filegroup(
+    name = "{name}_netlist".format(name = name),
+    srcs = ["{name}_netlist_synth".format(name = name)],
+    output_group = "1_synth.v",
+) for name in BLACKBOXES]
+
+# ca. 540 seconds for sequential synthesis, vs 90 seconds for netlist synthesis.
+filegroup(
+    name = "netlists",
+    srcs = [":{}_netlist".format(name) for name in BLACKBOXES],
+)