| # SPDX-FileCopyrightText: 2020 Efabless Corporation |
| # |
| # 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 |
| |
| set ::env(PDK) $::env(PDK) |
| set ::env(STD_CELL_LIBRARY) "sky130_fd_sc_hd" |
| |
| set script_dir [file dirname [file normalize [info script]]] |
| |
| set ::env(DESIGN_NAME) sha1_top |
| |
| set ::env(VERILOG_FILES) "\ |
| $::env(CARAVEL_ROOT)/verilog/rtl/defines.v \ |
| $script_dir/../../verilog/rtl/sha1_top.v \ |
| $script_dir/../../verilog/rtl/sha1.v \ |
| $script_dir/../../verilog/rtl/sha1_core.v \ |
| $script_dir/../../verilog/rtl/sha1_w_mem.v" |
| |
| set ::env(DESIGN_IS_CORE) 0 |
| |
| set ::env(CLOCK_PORT) "wb_clk_i" |
| set ::env(CLOCK_NET) "sha1_ctrl.clk" |
| set ::env(CLOCK_PERIOD) "10" |
| |
| # always got: "There are hold violations in the design at the typical corner" when FP_SIZING was absolute... |
| # no matter what PL or GLB parameters I set. tried increasing both HOLD_MAX_BUFFER_PERCENT and HOLD_SLACK_MARGIN to 80% and 0.3ns |
| set ::env(FP_SIZING) relative |
| # max area in wrapper: 0 0 2920 3520 |
| # set ::env(DIE_AREA) "0 0 6000 8000" |
| |
| set ::env(FP_PIN_ORDER_CFG) $script_dir/pin_order.cfg |
| |
| set ::env(PL_BASIC_PLACEMENT) 0 |
| set ::env(PL_TARGET_DENSITY) 0.4 |
| set ::env(FP_CORE_UTIL) 30 |
| set ::env(CELL_PAD) 2 |
| # with 10%: detailed placement faild and had setup violations |
| # with 50%: detailed placement faild and had setup violations |
| # with 100% and 0.7: "Utilization exceeds 100%." Ran out of space? |
| # with 90% and 0.7: "Use a higher -density or re-floorplan with a larger core area. Suggested target density: 0.92" |
| # with 95% and 0.9: "Use a higher -density or re-floorplan with a larger core area. Suggested target density: 0.98" |
| |
| # DIE_AREA: "0 0 2920 3520" and FP_SIZING: relative |
| # with 98% and 0.98: "Utilization exceeds 100%." (Chip area: 158121.651200) (PlaceInstsArea: 158121651200) (NonPlaceInstsArea: 3992579200) (CoreArea: 160567747200) |
| # with 95% and 1: "Detailed placement failed." "Error: resizer.tcl, 78 DPL-0036" |
| # with 95% and 0.98: "Use a higher -density or re-floorplan with a larger core area." (PlaceInstsArea: 158121651200) (NonPlaceInstsArea: 4046380800) (Util(%): 98.13) (CoreArea: 165175916800) |
| |
| # DIE_AREA: "0 0 2920 3520" and FP_SIZING: absolute |
| # with 95% and 0.98: "Detailed placement failed." "Error: resizer.tcl, 78 DPL-0036" |
| |
| |
| # * Simplified design: |
| # DIE_AREA: "0 0 2920 3520" (absolute) |
| # with 80% and 0.7: Routing congestion too high. |
| |
| # DIE_AREA: "0 0 1400 1000" (absolute) |
| # with 40% and 0.55: Routing congestion too high. |
| |
| # DIE_AREA: "0 0 1000 800" (absolute) |
| # with 8% and 0.55: Routing congestion too high. |
| |
| # DIE_AREA: "0 0 900 600" (absolute) |
| # with 5% and 0.15: There are hold violations in the design at the typical corner. Antenna pins violated: 120, nets violated: 118 |
| |
| # DIE_AREA: "0 0 900 600" (absolute) |
| # with 5% and 0.2: There are hold violations in the design at the typical corner. Antenna pins violated: 109, nets violated: 109 |
| |
| # DIE_AREA: "0 0 900 600" (absolute) |
| # with 10% and 0.3: There are hold violations in the design at the typical corner. Antenna pins violated: 86, nets violated: 86 (about -2ns violated) |
| |
| # DIE_AREA: "0 0 900 600" (absolute) |
| # with 20% and 0.4: There are hold violations in the design at the typical corner. Antenna pins violated: 73, nets violated: 72 (about -2.9ns violated) |
| |
| |
| # DIE_AREA: "0 0 900 600" (absolute) |
| # with 5% and 0.1: "Use a higher -density or re-floorplan with a larger core area." |
| |
| # DIE_AREA: "0 0 600 400" (absolute) |
| # with 10% and 0.4: Detailed placement failed |
| |
| # DIE_AREA: "0 0 600 400" (absolute) |
| # with 20% and 0.55: Detailed placement failed |
| |
| # DIE_AREA: "0 0 900 600" (relative and commented out all other settings) |
| # with 10% and 0.4: "There are max slew violations in the design at the typical corner." "There are hold violations in the design at the typical corner." |
| |
| # DIE_AREA: "0 0 900 600" (relative and other settings included) |
| # with 8% and 0.3: There are hold violations in the design at the typical corner. Antenna pins violated: 12, nets violated: 12 (about -1.65ns violated) |
| |
| |
| |
| # * SHA1 design: |
| # DIE_AREA: "0 0 2920 3520" (relative and other settings included) |
| # with 94% and 0.9: Does not fit but dimensions of chip are small and not take up full max area |
| |
| # DIE_AREA: "0 0 2920 3520" (absolute and other settings included) |
| # with 94% and 0.9: [ERROR STA-0414] -setup_margin '0.2ns' is not a positive float. Error: resizer_timing.tcl, 52 STA-0414 |
| # [ERROR]: Last 10 lines: |
| # set_timing_derate -early 0.9500 |
| # set_timing_derate -late 1.0500 |
| |
| # DIE_AREA: "0 0 2900 3500" (absolute and other settings included) |
| # with 60% and 0.6: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_00_25/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [WARNING GRT-0227] Reached 20 congestion iterations with less than 15% of reduction between iterations. |
| # [INFO GRT-0197] Via related to pin nodes: 73931 |
| # [INFO GRT-0198] Via related Steiner nodes: 4327 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 122644 |
| # [INFO GRT-0112] Final usage 3D: 685557 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| # DIE_AREA: "0 0 2900 3500" (absolute and other settings included) |
| # with 40% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_00_43/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [WARNING GRT-0227] Reached 20 congestion iterations with less than 15% of reduction between iterations. |
| # [INFO GRT-0197] Via related to pin nodes: 72754 |
| # [INFO GRT-0198] Via related Steiner nodes: 3490 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 113486 |
| # [INFO GRT-0112] Final usage 3D: 610405 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 2700 3300" (absolute and other settings included) |
| # with 10% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_01_02/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [WARNING GRT-0227] Reached 20 congestion iterations with less than 15% of reduction between iterations. |
| # [INFO GRT-0197] Via related to pin nodes: 73302 |
| # [INFO GRT-0198] Via related Steiner nodes: 3153 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 112526 |
| # [INFO GRT-0112] Final usage 3D: 602109 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| |
| # DIE_AREA: "0 0 1000 1500" (absolute and other settings included) |
| # with 8% and default PL_TARGET_DENSITY: |
| # [STEP 21] |
| # [INFO]: Running Global Routing... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/groute.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_01_15/logs/routing/21-global.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0103] Extra Run for hard benchmark. |
| # [INFO GRT-0197] Via related to pin nodes: 91123 |
| # [INFO GRT-0198] Via related Steiner nodes: 7024 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 148074 |
| # [INFO GRT-0112] Final usage 3D: 715064 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: groute.tcl, 55 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 800 1000" (absolute and other settings included) |
| # with 5% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_01_32/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0103] Extra Run for hard benchmark. |
| # [INFO GRT-0197] Via related to pin nodes: 70951 |
| # [INFO GRT-0198] Via related Steiner nodes: 2639 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 106400 |
| # [INFO GRT-0112] Final usage 3D: 491648 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 800 1000" (absolute and other settings included) |
| # with 2% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_13_08/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0103] Extra Run for hard benchmark. |
| # [INFO GRT-0197] Via related to pin nodes: 70951 |
| # [INFO GRT-0198] Via related Steiner nodes: 2639 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 106400 |
| # [INFO GRT-0112] Final usage 3D: 491648 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 2800 3400" (absolute and other settings included) |
| # with 2% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_13_51/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [WARNING GRT-0227] Reached 20 congestion iterations with less than 15% of reduction between iterations. |
| # [INFO GRT-0197] Via related to pin nodes: 72763 |
| # [INFO GRT-0198] Via related Steiner nodes: 3306 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 111562 |
| # [INFO GRT-0112] Final usage 3D: 591028 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 600 900" (absolute and other settings included) |
| # with 1% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_14_13/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0197] Via related to pin nodes: 70245 |
| # [INFO GRT-0198] Via related Steiner nodes: 1910 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 94700 |
| # [INFO GRT-0112] Final usage 3D: 449660 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 2900 3500" (absolute and commented out everything except PL_RANDOM_GLB_PLACEMENT == 0 and all buffer % = 80) |
| # with 90% and default PL_TARGET_DENSITY: |
| # [STEP 21] |
| # [INFO]: Running Global Routing... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/groute.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_14_26/logs/routing/21-global.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0103] Extra Run for hard benchmark. |
| # [INFO GRT-0197] Via related to pin nodes: 83886 |
| # [INFO GRT-0198] Via related Steiner nodes: 8027 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 163913 |
| # [INFO GRT-0112] Final usage 3D: 936594 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: groute.tcl, 55 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 2920 3520" (absolute and commented out everything except PL_RANDOM_GLB_PLACEMENT == 0 and all buffer % = 80) |
| # with 94% and default PL_TARGET_DENSITY: |
| # [STEP 21] |
| # [INFO]: Running Global Routing... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/groute.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_27_15_07/logs/routing/21-global.log |
| # [ERROR]: Last 10 lines: |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0103] Extra Run for hard benchmark. |
| # [INFO GRT-0197] Via related to pin nodes: 83898 |
| # [INFO GRT-0198] Via related Steiner nodes: 8049 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 165868 |
| # [INFO GRT-0112] Final usage 3D: 949355 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: groute.tcl, 55 GRT-0118 |
| |
| |
| # DIE_AREA: "0 0 6000 8000" (absolute and commented out everything except PL_RANDOM_GLB_PLACEMENT == 0 and all buffer % = 80) |
| # with 90% and default PL_TARGET_DENSITY: |
| # [STEP 15] |
| # [INFO]: Running Global Routing Resizer Timing Optimizations... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/resizer_routing_timing.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_29_11_16/logs/routing/15-resizer.log |
| # [ERROR]: Last 10 lines: |
| |
| # [INFO GRT-0101] Running extra iterations to remove overflow. |
| # [INFO GRT-0197] Via related to pin nodes: 66525 |
| # [INFO GRT-0198] Via related Steiner nodes: 1333 |
| # [INFO GRT-0199] Via filling finished. |
| # [INFO GRT-0111] Final number of vias: 86746 |
| # [INFO GRT-0112] Final usage 3D: 466964 |
| # [ERROR GRT-0118] Routing congestion too high. |
| # Error: resizer_routing_timing.tcl, 53 GRT-0118 |
| |
| |
| # Commented out: DIE_AREA: "0 0 6000 8000" (FP_SIZING = relative and commented out everything except PL_RANDOM_GLB_PLACEMENT == 0 and all buffer % = 80) |
| # with 30% and default PL_TARGET_DENSITY: |
| # [STEP 18] |
| # [INFO]: Running Detailed Placement... |
| # [ERROR]: during executing openroad script /openlane/scripts/openroad/opendp.tcl |
| # [ERROR]: Exit code: 1 |
| # [ERROR]: full log: ../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_08_29_13_53/logs/routing/18-diode_legalization.log |
| # [ERROR]: Last 10 lines: |
| # [INFO DPL-0035] ANTENNA__14155__A1 |
| # [INFO DPL-0035] ANTENNA__14155__A1 |
| # [INFO DPL-0035] ANTENNA__20474__A2 |
| # [INFO DPL-0035] ANTENNA__20930__A |
| # [INFO DPL-0035] ANTENNA__20930__A |
| # [INFO DPL-0035] ANTENNA__16103__A0 |
| # [INFO DPL-0035] message limit reached, this message will no longer print |
| # [ERROR DPL-0036] Detailed placement failed. |
| # Error: opendp.tcl, 32 DPL-0036 |
| |
| |
| # Commented out: DIE_AREA: "0 0 6000 8000" and commented out everything except PL_RANDOM_GLB_PLACEMENT == 0 and all buffer % = 80 |
| # set ::env(FP_SIZING) relative |
| # set ::env(PL_TARGET_DENSITY) 0.4 |
| # set ::env(FP_CORE_UTIL) 30 |
| # set ::env(CELL_PAD) 2 |
| # [STEP 39] |
| # [INFO]: Running Magic DRC... |
| # [INFO]: Converting Magic DRC Violations to Magic Readable Format... |
| # [INFO]: Converting Magic DRC Violations to Klayout XML Database... |
| # [ERROR]: There are violations in the design after Magic DRC. |
| # [ERROR]: Total Number of violations is 5 |
| # [INFO]: Saving current set of views in '../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_09_01_01_54/results/final'... |
| # [INFO]: Generating final set of reports... |
| # [INFO]: Created manufacturability report at '../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_09_01_01_54/reports/manufacturability.rpt'. |
| # [INFO]: Created metrics report at '../Users/somasz/Documents/GitHub/mpw_6c/caravel_design/caravel_bitcoin_asic/openlane/sha1_top/runs/22_09_01_01_54/reports/metrics.csv'. |
| # [INFO]: Saving runtime environment... |
| # [ERROR]: Flow failed. |
| |
| |
| |
| # TODO |
| |
| |
| # Not sure how FP_SIZING absolute and relative works excatly and how DIE_AREA affects the overall size and constraints |
| |
| # set ::env(ROUTING_CORES) 4 |
| set ::env(PL_RANDOM_GLB_PLACEMENT) 0 |
| # set ::env(PL_RESIZER_ALLOW_SETUP_VIOS) 0 |
| # set ::env(GLB_RESIZER_ALLOW_SETUP_VIOS) 0 |
| |
| set ::env(PL_RESIZER_HOLD_MAX_BUFFER_PERCENT) 80 |
| set ::env(GLB_RESIZER_HOLD_MAX_BUFFER_PERCENT) 80 |
| # set ::env(PL_RESIZER_HOLD_SLACK_MARGIN) 0.4 |
| # set ::env(GLB_RESIZER_HOLD_SLACK_MARGIN) 0.2 |
| |
| set ::nev(PL_RESIZER_SETUP_MAX_BUFFER_PERCENT) 80 |
| set ::nev(GLB_RESIZER_SETUP_MAX_BUFFER_PERCENT) 80 |
| # set ::env(PL_RESIZER_SETUP_SLACK_MARGIN) 0.2 |
| # set ::env(GLB_RESIZER_SETUP_SLACK_MARGIN) 0.1 |
| |
| # set ::anv(CTS_TARGET_SKEW) 200 |
| |
| # Maximum layer used for routing is metal 4. |
| # This is because this macro will be inserted in a top level (user_project_wrapper) |
| # where the PDN is planned on metal 5. So, to avoid having shorts between routes |
| # in this macro and the top level metal 5 stripes, we have to restrict routes to metal4. |
| # |
| # set ::env(GLB_RT_MAXLAYER) 5 |
| |
| set ::env(RT_MAX_LAYER) {met4} |
| |
| # You can draw more power domains if you need to |
| set ::env(VDD_NETS) [list {vccd1}] |
| set ::env(GND_NETS) [list {vssd1}] |
| |
| set ::env(DIODE_INSERTION_STRATEGY) 4 |
| # If you're going to use multiple power domains, then disable cvc run. |
| set ::env(RUN_CVC) 1 |