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| author | gatecat <gatecat@ds0.me> | 2021-02-15 16:19:17 +0000 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-02-15 16:19:17 +0000 |
| commit | f16089b33b980703db5e11e80368b2248919652b (patch) | |
| tree | b3702e08795c33d1711d6fdcdd930a9530d0baf8 | |
| parent | 31648368460b9e216479ce7c38e6fed883c380c4 (diff) | |
| parent | 7673d60124707346de001367afcbab6be466f405 (diff) | |
| download | nextpnr-tests-f16089b33b980703db5e11e80368b2248919652b.tar.gz nextpnr-tests-f16089b33b980703db5e11e80368b2248919652b.tar.bz2 nextpnr-tests-f16089b33b980703db5e11e80368b2248919652b.zip | |
Merge pull request #4 from YosysHQ/gatecat/generic-belpin
generic: Add test of bel pin mapping
| -rw-r--r-- | generic/flow/.gitignore | 4 | ||||
| -rw-r--r-- | generic/flow/bel-pin/design.v | 7 | ||||
| -rw-r--r-- | generic/flow/bel-pin/post_route.py | 2 | ||||
| -rw-r--r-- | generic/flow/bel-pin/pre_pack.py | 21 | ||||
| -rwxr-xr-x | generic/flow/bel-pin/run.sh | 4 | ||||
| -rwxr-xr-x | generic/flow/run.sh | 2 |
6 files changed, 40 insertions, 0 deletions
diff --git a/generic/flow/.gitignore b/generic/flow/.gitignore new file mode 100644 index 0000000..f179590 --- /dev/null +++ b/generic/flow/.gitignore @@ -0,0 +1,4 @@ +*.pyc +*.json +*.fasm +*.log diff --git a/generic/flow/bel-pin/design.v b/generic/flow/bel-pin/design.v new file mode 100644 index 0000000..bcec0be --- /dev/null +++ b/generic/flow/bel-pin/design.v @@ -0,0 +1,7 @@ +(* blackbox *) +module TEST_BEL(input wire A, output wire Q); +endmodule + +module top(output wire q); +TEST_BEL cell_i(.A(q), .Q(q)); +endmodule diff --git a/generic/flow/bel-pin/post_route.py b/generic/flow/bel-pin/post_route.py new file mode 100644 index 0000000..9243c1b --- /dev/null +++ b/generic/flow/bel-pin/post_route.py @@ -0,0 +1,2 @@ +assert "BEL_A0" in ctx.nets["q"].wires +assert "BEL_A1" in ctx.nets["q"].wires diff --git a/generic/flow/bel-pin/pre_pack.py b/generic/flow/bel-pin/pre_pack.py new file mode 100644 index 0000000..2ee06d6 --- /dev/null +++ b/generic/flow/bel-pin/pre_pack.py @@ -0,0 +1,21 @@ +ctx.addWire(name="BEL_A0", type="WIRE", x=0, y=0) +ctx.addWire(name="BEL_A1", type="WIRE", x=0, y=0) +ctx.addWire(name="BEL_Q", type="WIRE", x=0, y=0) +ctx.addWire(name="SLICE_F", type="WIRE", x=0, y=0) + +ctx.addPip(name="Q->A0", type="PIP", srcWire="BEL_Q", dstWire="BEL_A0", delay=ctx.getDelayFromNS(0.05), loc=Loc(0, 0, 0)) +ctx.addPip(name="Q->A1", type="PIP", srcWire="BEL_Q", dstWire="BEL_A1", delay=ctx.getDelayFromNS(0.05), loc=Loc(0, 0, 0)) + +ctx.addBel(name="BEL", type="TEST_BEL", loc=Loc(0, 0, 0), gb=False, hidden=False) + +ctx.addBelInput(bel="BEL", name="A0", wire="BEL_A0") +ctx.addBelInput(bel="BEL", name="A1", wire="BEL_A1") +ctx.addBelOutput(bel="BEL", name="Q", wire="BEL_Q") + +ctx.addBel(name="DUMMY_SLICE", type="GENERIC_SLICE", loc=Loc(0, 0, 1), gb=False, hidden=False) +ctx.addBelOutput(bel="DUMMY_SLICE", name="F", wire="SLICE_F") + + +ctx.clearCellBelPinMap(cell="cell_i", cell_pin="A") +ctx.addCellBelPinMapping(cell="cell_i", cell_pin="A", bel_pin="A0") +ctx.addCellBelPinMapping(cell="cell_i", cell_pin="A", bel_pin="A1") diff --git a/generic/flow/bel-pin/run.sh b/generic/flow/bel-pin/run.sh new file mode 100755 index 0000000..b599297 --- /dev/null +++ b/generic/flow/bel-pin/run.sh @@ -0,0 +1,4 @@ +#!/usr/bin/env bash +set -ex +yosys -q -p "prep; write_json design.json" design.v +$NPNR --json design.json --pre-pack pre_pack.py --post-route post_route.py --no-iobs diff --git a/generic/flow/run.sh b/generic/flow/run.sh new file mode 100755 index 0000000..1d60c4c --- /dev/null +++ b/generic/flow/run.sh @@ -0,0 +1,2 @@ +#!/usr/bin/env bash +cd bel-pin && bash run.sh |