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Undo Liberty stuff

This commit is contained in:
Akash Levy 2024-11-18 17:10:25 -08:00
parent e4095bf257
commit 5eaf627645
19 changed files with 0 additions and 571 deletions

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/* Liberty 2007: example 2-4 */
/* Direction of pins in bundle groups */
library(bundle_example) {
technology (cmos);
revision : 1.0;
time_unit : "1ps";
pulling_resistance_unit : "1kohm";
voltage_unit : "1V";
current_unit : "1uA";
capacitive_load_unit(1,ff);
default_inout_pin_cap : 7.0;
default_input_pin_cap : 7.0;
default_output_pin_cap : 0.0;
default_fanout_load : 1.0;
default_wire_load_capacitance : 0.1;
default_wire_load_resistance : 1.0e-3;
default_wire_load_area : 0.0;
nom_process : 1.0;
nom_temperature : 25.0;
nom_voltage : 1.2;
delay_model : generic_cmos;
cell (inv) {
area : 16;
cell_leakage_power : 8;
bundle (Z) {
members (Z0, Z1, Z2, Z3);
direction : output;
function : "D";
pin (Z0) {
direction : output;
timing () {
intrinsic_rise : 0.4;
intrinsic_fall : 0.4;
related_pin : "D0";
}
}
pin (Z1) {
direction : output;
timing () {
intrinsic_rise : 0.4;
intrinsic_fall : 0.4;
related_pin : "D1";
}
}
}
bundle (D) {
members (D0, D1, D2, D3);
direction : input;
capacitance : 1;
pin (D0) {
direction : input;
}
}
}
}

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library(bundle_example) {
cell(inv) {
area : 16 ;
}
}

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module inv ();
endmodule

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library(supergate) {
technology (cmos);
revision : 1.0;
time_unit : "1ps";
pulling_resistance_unit : "1kohm";
voltage_unit : "1V";
current_unit : "1uA";
capacitive_load_unit(1,ff);
default_inout_pin_cap : 7.0;
default_input_pin_cap : 7.0;
default_output_pin_cap : 0.0;
default_fanout_load : 1.0;
default_wire_load_capacitance : 0.1;
default_wire_load_resistance : 1.0e-3;
default_wire_load_area : 0.0;
input_threshold_pct_rise : 50;
input_threshold_pct_fall : 50;
output_threshold_pct_rise : 50;
output_threshold_pct_fall : 50;
slew_lower_threshold_pct_rise : 30;
slew_lower_threshold_pct_fall : 30;
slew_upper_threshold_pct_rise : 70;
slew_upper_threshold_pct_fall : 70;
nom_process : 1.0;
nom_temperature : 25.0;
nom_voltage : 1.2;
delay_model : generic_cmos;
/* Latch */
cell(latch) {
area : 5;
latch ("IQ","IQN") {
enable : (G);
data_in : "D";
}
pin(D) {
direction : input;
}
pin(G) {
direction : input;
}
pin(Q) {
direction : output;
function : "IQ";
internal_node : "Q";
timing() {
timing_type : rising_edge;
intrinsic_rise : 65;
intrinsic_fall : 65;
rise_resistance : 0;
fall_resistance : 0;
related_pin : "G";
}
timing() {
timing_sense : positive_unate;
intrinsic_rise : 65;
intrinsic_fall : 65;
rise_resistance : 0;
fall_resistance : 0;
related_pin : "D";
}
}
pin(QN) {
direction : output;
function : "IQN";
internal_node : "QN";
timing() {
timing_type : rising_edge;
intrinsic_rise : 65;
intrinsic_fall : 65;
rise_resistance : 0;
fall_resistance : 0;
related_pin : "G";
}
timing() {
timing_sense : negative_unate;
intrinsic_rise : 65;
intrinsic_fall : 65;
rise_resistance : 0;
fall_resistance : 0;
related_pin : "D";
}
}
}
}

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library(supergate) {
cell(latch) {
area : 5 ;
latch(IQ, IQN) {
enable : (G) ;
data_in : D ;
}
pin(D) {
direction : input ;
}
pin(G) {
direction : input ;
}
pin(Q) {
direction : output ;
function : IQ ;
}
pin(QN) {
direction : output ;
function : IQN ;
}
}
}

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module latch (D, G, Q, QN);
reg IQ, IQN;
input D;
input G;
output Q;
assign Q = IQ; // IQ
output QN;
assign QN = IQN; // IQN
always @* begin
if ((G)) begin
IQ <= D;
IQN <= ~(D);
end
end
endmodule

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library (strange_colons) {
delay_model : "table_lookup";
simulation : false;
capacitive_load_unit (1,pF);
leakage_power_unit : "1pW";
current_unit : "1A";
pulling_resistance_unit : "1kohm";
time_unit : "1ns";
voltage_unit : "1v";
library_features : "report_delay_calculation";
input_threshold_pct_rise : 50;
input_threshold_pct_fall : 50;
output_threshold_pct_rise : 50;
output_threshold_pct_fall : 50;
slew_lower_threshold_pct_rise : 30;
slew_lower_threshold_pct_fall : 30;
slew_upper_threshold_pct_rise : 70;
slew_upper_threshold_pct_fall : 70;
slew_derate_from_library : 1.0;
nom_process : 1.0;
nom_temperature : 85.0;
nom_voltage : 0.75;
cell(strange_colons) {
sensitization_master : sensitization_3pins ;
area : 0.1 ;
dont_touch : true ;
dont_use : true ;
pin(A) {
capacitance : 0.0001 ;
direction : input ;
driver_waveform_rise : "driver_waveform_default_rise" ;
driver_waveform_fall : "driver_waveform_default_fall" ;
fall_capacitance : 0.0001 ;
input_voltage : default ;
max_transition : 0.1 ;
related_ground_pin : VSS ;
related_power_pin : VDD ;
rise_capacitance : 0.0001 ;
active_input_ccb(strange_colons:ck);
active_input_ccb(strange_colons:d, \
strange_colons:d);
propagating_ccb(strange_colons:a, strange_colons:y);
input_ccb(strange_colons:a) {
is_needed : true ;
is_inverting : true ;
miller_cap_fall : 0.0001 ;
miller_cap_rise : 1e-05 ;
stage_type : both ;
}
}
}
}

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library(strange_colons) {
cell(strange_colons) {
area : 0.1 ;
dont_touch : true ;
dont_use : true ;
pin(A) {
direction : input ;
}
}
}

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*.log
test.ys
*.lib.v

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/* Liberty 2007: example 2-4 */
/* Direction of pins in bundle groups */
library(bundle_example) {
technology (cmos);
revision : 1.0;
time_unit : "1ps";
pulling_resistance_unit : "1kohm";
voltage_unit : "1V";
current_unit : "1uA";
capacitive_load_unit(1,ff);
default_inout_pin_cap : 7.0;
default_input_pin_cap : 7.0;
default_output_pin_cap : 0.0;
default_fanout_load : 1.0;
default_wire_load_capacitance : 0.1;
default_wire_load_resistance : 1.0e-3;
default_wire_load_area : 0.0;
nom_process : 1.0;
nom_temperature : 25.0;
nom_voltage : 1.2;
delay_model : generic_cmos;
cell (inv) {
area : 16;
cell_leakage_power : 8;
bundle (Z) {
members (Z0, Z1, Z2, Z3);
direction : output;
function : "D";
pin (Z0) {
direction : output;
timing () {
intrinsic_rise : 0.4;
intrinsic_fall : 0.4;
related_pin : "D0";
}
}
pin (Z1) {
direction : output;
timing () {
intrinsic_rise : 0.4;
intrinsic_fall : 0.4;
related_pin : "D1";
}
}
}
bundle (D) {
members (D0, D1, D2, D3);
direction : input;
capacitance : 1;
pin (D0) {
direction : input;
}
}
}
}

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(* LeakagePower = "8" *)
(* area = "16" *)
(* blackbox = 1 *)
module inv(Z0, Z1, Z2, Z3, D0, D1, D2, D3);
input D0;
wire D0;
input D1;
wire D1;
input D2;
wire D2;
input D3;
wire D3;
output Z0;
wire Z0;
output Z1;
wire Z1;
output Z2;
wire Z2;
output Z3;
wire Z3;
endmodule

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/********************************************/
/* */
/* Supergate cell library for Bench marking */
/* */
/* Symbiotic EDA GmbH / Moseley Instruments */
/* Niels A. Moseley */
/* */
/* Process: none */
/* */
/* Date : 02-11-2018 */
/* Version: 1.0 */
/* TODO: FIX THE RESULTS */
/********************************************/
library(supergate) {
technology (cmos);
revision : 1.0;
time_unit : "1ps";
pulling_resistance_unit : "1kohm";
voltage_unit : "1V";
current_unit : "1uA";
capacitive_load_unit(1,ff);
default_inout_pin_cap : 7.0;
default_input_pin_cap : 7.0;
default_output_pin_cap : 0.0;
default_fanout_load : 1.0;
default_wire_load_capacitance : 0.1;
default_wire_load_resistance : 1.0e-3;
default_wire_load_area : 0.0;
nom_process : 1.0;
nom_temperature : 25.0;
nom_voltage : 1.2;
delay_model : generic_cmos;
type( IO_bus_3_to_0 ) {
base_type : array ;
data_type : bit ;
bit_width : 4;
bit_from : 3 ;
bit_to : 0 ;
downto : true ;
}
cell (SRAM) {
area : 1 ;
memory() {
type : ram;
address_width : 4;
word_width : 4;
}
pin(CE1) {
direction : input;
capacitance : 0.021;
max_transition : 1.024;
switch_pin : true;
}
bus(I1) {
bus_type : IO_bus_3_to_0 ;
direction : input;
pin (I1[3:0]) {
timing() {
related_pin : "CE1" ;
timing_type : setup_rising ;
rise_constraint (scalar) {
values("0.0507786");
}
fall_constraint (scalar) {
values("0.0507786");
}
}
}
}
}
} /* end */

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(* area = "1" *)
(* blackbox = 1 *)
module SRAM(CE1, I1);
input CE1;
wire CE1;
input [3:0] I1;
wire [3:0] I1;
endmodule

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/* Tests two things: */
/* (1) Bus without any individual pin definition */
/* (2) Having a custom field with define, which can allow square brackets */
library (liberty_define) {
delay_model : "table_lookup" ;
simulation : false ;
capacitive_load_unit (1,pF) ;
leakage_power_unit : "1pW" ;
current_unit : "1A" ;
pulling_resistance_unit : "1kohm" ;
time_unit : "1ns" ;
voltage_unit : "1v" ;
library_features : "report_delay_calculation" ;
input_threshold_pct_rise : 50 ;
input_threshold_pct_fall : 50 ;
output_threshold_pct_rise : 50 ;
output_threshold_pct_fall : 50 ;
slew_lower_threshold_pct_rise : 30 ;
slew_lower_threshold_pct_fall : 30 ;
slew_upper_threshold_pct_rise : 70 ;
slew_upper_threshold_pct_fall : 70 ;
slew_derate_from_library : 1.0 ;
nom_process : 1.0 ;
nom_temperature : 85.0 ;
nom_voltage : 0.75 ;
type (bus8) {
base_type : "array";
data_type : "bit";
bit_width : 8;
bit_from : 7;
bit_to : 0;
}
define (original_pin, pin, string) ;
cell (not_cell) {
bus (A) {
bus_type : "bus8" ;
direction : "input" ;
}
pin (Y) {
function : !A[0] ;
direction : "output" ;
original_pin : A[0] ;
}
}
}

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(* blackbox = 1 *)
(* leakage_power_unit = "1pW" *)
module not_cell(A, Y);
input [7:0] A;
wire [7:0] A;
output Y;
wire Y;
endmodule

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#!/usr/bin/env bash
set -e
for x in *.lib; do
echo "Testing on $x.."
echo "read_liberty -lib $x" > test.ys
echo "write_verilog -blackboxes $x.v.tmp" >> test.ys
../../yosys -ql ${x%.lib}.log -s test.ys
sed '1,2d' $x.v.tmp > $x.v
diff $x.v $x.v.ok
done