clbnoutmux fuzzer

Signed-off-by: John McMaster <JohnDMcMaster@gmail.com>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
This commit is contained in:
John McMaster 2017-12-05 16:08:40 -08:00 committed by Tim 'mithro' Ansell
parent b800492d69
commit dd3424450a
9 changed files with 566 additions and 75 deletions

4
fuzzers/016-clbnoutmux/.gitignore vendored Normal file
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/specimen_*/
/*.segbits
/vivado.log
/vivado.jou

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N := 1
SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N)))
SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS))
database: $(SPECIMENS_OK)
${XRAY_SEGMATCH} -o seg_clblx.segbits $(addsuffix /segdata_clbl[lm]_[lr].txt,$(SPECIMENS))
pushdb:
${XRAY_MERGEDB} clbll_l seg_clblx.segbits
${XRAY_MERGEDB} clbll_r seg_clblx.segbits
${XRAY_MERGEDB} clblm_l seg_clblx.segbits
${XRAY_MERGEDB} clblm_r seg_clblx.segbits
$(SPECIMENS_OK):
bash generate.sh $(subst /OK,,$@)
touch $@
clean:
rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit top.v
.PHONY: database pushdb clean

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Purpose:
Document AOUTMUX family of CLB muxes
Algorithm:
Outcome:
CLB.SLICE_X0.AMUX.B0 30_11
CLB.SLICE_X0.AMUX.B1 30_08
CLB.SLICE_X0.AMUX.B2 30_06
CLB.SLICE_X0.AMUX.B3 30_07
CLB.SLICE_X0.BMUX.B0 30_20
CLB.SLICE_X0.BMUX.B1 30_21
CLB.SLICE_X0.BMUX.B2 30_22
CLB.SLICE_X0.BMUX.B3 30_23
CLB.SLICE_X0.CMUX.B0 30_45
CLB.SLICE_X0.CMUX.B1 30_44
CLB.SLICE_X0.CMUX.B2 30_40
CLB.SLICE_X0.CMUX.B3 30_43
CLB.SLICE_X0.DMUX.B0 30_56
CLB.SLICE_X0.DMUX.B1 30_51
CLB.SLICE_X0.DMUX.B2 30_52
CLB.SLICE_X0.DMUX.B3 30_57
CLB.SLICE_X1.AMUX.B0 31_09
CLB.SLICE_X1.AMUX.B1 31_07
CLB.SLICE_X1.AMUX.B2 31_10
CLB.SLICE_X1.AMUX.B3 30_05
CLB.SLICE_X1.BMUX.B0 31_20
CLB.SLICE_X1.BMUX.B1 30_28
CLB.SLICE_X1.BMUX.B2 31_21
CLB.SLICE_X1.BMUX.B3 30_29
CLB.SLICE_X1.CMUX.B0 31_43
CLB.SLICE_X1.CMUX.B1 30_42
CLB.SLICE_X1.CMUX.B2 31_40
CLB.SLICE_X1.CMUX.B3 30_41
CLB.SLICE_X1.DMUX.B0 31_56
CLB.SLICE_X1.DMUX.B1 30_53
CLB.SLICE_X1.DMUX.B2 31_57
CLB.SLICE_X1.DMUX.B3 31_53

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#!/usr/bin/env python3
import sys, re
sys.path.append("../../../utils/")
from segmaker import segmaker
segmk = segmaker("design.bits")
print("Loading tags")
'''
module,loc,n
clb_NFFMUX_O5,SLICE_X12Y100,3
clb_NFFMUX_AX,SLICE_X13Y100,2
clb_NFFMUX_O6,SLICE_X14Y100,3
'''
f = open('params.csv', 'r')
f.readline()
for l in f:
module,loc,n = l.split(',')
n = int(n)
which = chr(ord('A') + n)
# clb_NFFMUX_AX => AX
module = module.replace('clb_NOUTMUX_', '')
'''
BOUTMUX
30_20 30_21 30_22 30_23
O6 1
O5 1 1
XOR 1
CY 1 1
F8 1 1
B5Q 1
'''
# TODO: this needs to be converted to PIP type format
if 0:
# Although F78 is special, if it doesn't show up, we don't care
segmk.addtag(loc, "%cMUX.B0" % which, module in ('O6', 'O5'))
segmk.addtag(loc, "%cMUX.B1" % which, module in ('XOR', 'CY'))
segmk.addtag(loc, "%cMUX.B2" % which, module in ('O5', 'CY', 'F78'))
segmk.addtag(loc, "%cMUX.B3" % which, module in ('F78', 'B5Q'))
segmk.compile()
segmk.write()

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#!/bin/bash
set -ex
. ../../utils/genheader.sh
#echo '`define SEED 32'"'h$(echo $1 | md5sum | cut -c1-8)" > setseed.vh
python3 ../top.py >top.v
vivado -mode batch -source ../generate.tcl
test -z $(fgrep CRITICAL vivado.log)
for x in design*.bit; do
../../../build/tools/bitread -F $XRAY_ROI_FRAMES -o ${x}s -z -y $x
done
python3 ../generate.py

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create_project -force -part $::env(XRAY_PART) design design
read_verilog top.v
synth_design -top top
set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk]
set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb]
set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di]
set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do]
create_pblock roi
set_property EXCLUDE_PLACEMENT 1 [get_pblocks roi]
add_cells_to_pblock [get_pblocks roi] [get_cells roi]
resize_pblock [get_pblocks roi] -add "$::env(XRAY_ROI)"
set_property CFGBVS VCCO [current_design]
set_property CONFIG_VOLTAGE 3.3 [current_design]
set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF]
place_design
route_design
write_checkpoint -force design.dcp
write_bitstream -force design.bit

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import random
random.seed(0)
CLBN = 400
# SLICE_X12Y100
# SLICE_X27Y149
SLICEX = (12, 28)
SLICEY = (100, 150)
# 800
SLICEN = (SLICEY[1] - SLICEY[0]) * (SLICEX[1] - SLICEX[0])
print('//SLICEX: %s' % str(SLICEX))
print('//SLICEY: %s' % str(SLICEY))
print('//SLICEN: %s' % str(SLICEN))
print('//Requested CLBs: %s' % str(CLBN))
def gen_slices():
for slicey in range(*SLICEY):
for slicex in range(*SLICEX):
yield "SLICE_X%dY%d" % (slicex, slicey)
DIN_N = CLBN * 8
DOUT_N = CLBN * 8
print('''
module top(input clk, stb, di, output do);
localparam integer DIN_N = %d;
localparam integer DOUT_N = %d;
reg [DIN_N-1:0] din;
wire [DOUT_N-1:0] dout;
reg [DIN_N-1:0] din_shr;
reg [DOUT_N-1:0] dout_shr;
always @(posedge clk) begin
din_shr <= {din_shr, di};
dout_shr <= {dout_shr, din_shr[DIN_N-1]};
if (stb) begin
din <= din_shr;
dout_shr <= dout;
end
end
assign do = dout_shr[DOUT_N-1];
roi roi (
.clk(clk),
.din(din),
.dout(dout)
);
endmodule
''' % (DIN_N, DOUT_N))
f = open('params.csv', 'w')
f.write('module,loc,n\n')
slices = gen_slices()
print('module roi(input clk, input [%d:0] din, output [%d:0] dout);' % (DIN_N - 1, DOUT_N - 1))
for i in range(CLBN):
# Don't have an O6 example
modules = ['clb_NOUTMUX_' + x for x in ['CY', 'F78', 'O5', 'XOR', 'B5Q']]
module = random.choice(modules)
if module == 'clb_NOUTMUX_F78':
n = random.randint(0, 2)
else:
n = random.randint(0, 3)
#n = 0
loc = next(slices)
print(' %s' % module)
print(' #(.LOC("%s"), .N(%d))' % (loc, n))
print(' clb_%d (.clk(clk), .din(din[ %d +: 8]), .dout(dout[ %d +: 8]));' % (i, 8 * i, 8 * i))
f.write('%s,%s,%s\n' % (module, loc, n))
f.close()
print('''endmodule
// ---------------------------------------------------------------------
''')
print('''
module myLUT8 (input clk, input [7:0] din,
output lut8o, output lut7bo, output lut7ao,
//caro: XOR additional result (main output)
//carco: CLA result (carry module additional output)
output caro, output carco,
output bo5, output bo6,
//Note: b5ff_q requires the mux and will conflict with other wires
//Otherwise this FF drops out
output wire ff_q);
//output wire [3:0] n5ff_q);
parameter N=-1;
parameter LOC="SLICE_FIXME";
wire [3:0] caro_all;
assign caro = caro_all[N];
wire [3:0] carco_all;
assign carco = carco_all[N];
wire [3:0] lutno6;
assign bo6 = lutno6[N];
wire [3:0] lutno5;
assign bo5 = lutno5[N];
//Outputs does not have to be used, will stay without it
(* LOC=LOC, BEL="F8MUX", KEEP, DONT_TOUCH *)
MUXF8 mux8 (.O(lut8o), .I0(lut7bo), .I1(lut7ao), .S(din[6]));
(* LOC=LOC, BEL="F7BMUX", KEEP, DONT_TOUCH *)
MUXF7 mux7b (.O(lut7bo), .I0(lutno6[3]), .I1(lutno6[2]), .S(din[6]));
(* LOC=LOC, BEL="F7AMUX", KEEP, DONT_TOUCH *)
MUXF7 mux7a (.O(lut7ao), .I0(lutno6[1]), .I1(lutno6[0]), .S(din[6]));
(* LOC=LOC, BEL="D6LUT", KEEP, DONT_TOUCH *)
LUT6_2 #(
.INIT(64'h8000_DEAD_0000_0001)
) lutd (
.I0(din[0]),
.I1(din[1]),
.I2(din[2]),
.I3(din[3]),
.I4(din[4]),
.I5(din[5]),
.O5(lutno5[3]),
.O6(lutno6[3]));
(* LOC=LOC, BEL="C6LUT", KEEP, DONT_TOUCH *)
LUT6_2 #(
.INIT(64'h8000_BEEF_0000_0001)
) lutc (
.I0(din[0]),
.I1(din[1]),
.I2(din[2]),
.I3(din[3]),
.I4(din[4]),
.I5(din[5]),
.O5(lutno5[2]),
.O6(lutno6[2]));
(* LOC=LOC, BEL="B6LUT", KEEP, DONT_TOUCH *)
LUT6_2 #(
.INIT(64'h8000_CAFE_0000_0001)
) lutb (
.I0(din[0]),
.I1(din[1]),
.I2(din[2]),
.I3(din[3]),
.I4(din[4]),
.I5(din[5]),
.O5(lutno5[1]),
.O6(lutno6[1]));
(* LOC=LOC, BEL="A6LUT", KEEP, DONT_TOUCH *)
LUT6_2 #(
.INIT(64'h8000_1CE0_0000_0001)
) luta (
.I0(din[0]),
.I1(din[1]),
.I2(din[2]),
.I3(din[3]),
.I4(din[4]),
.I5(din[5]),
.O5(lutno5[0]),
.O6(lutno6[0]));
//Outputs do not have to be used, will stay without them
(* LOC=LOC, KEEP, DONT_TOUCH *)
CARRY4 carry4(.O(caro_all), .CO(carco_all), .DI(lutno5), .S(lutno6), .CYINIT(1'b0), .CI());
generate
if (N == 3) begin
(* LOC=LOC, BEL="D5FF", KEEP, DONT_TOUCH *)
FDPE d5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[3]));
end
if (N == 2) begin
(* LOC=LOC, BEL="C5FF", KEEP, DONT_TOUCH *)
FDPE c5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[2]));
end
if (N == 1) begin
(* LOC=LOC, BEL="B5FF", KEEP, DONT_TOUCH *)
FDPE b5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[1]));
end
if (N == 0) begin
(* LOC=LOC, BEL="A5FF", KEEP, DONT_TOUCH *)
FDPE a5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[0]));
end
endgenerate
endmodule
//******************************************************************************
//BOUTMUX tests
module clb_NOUTMUX_CY (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(), .carco(dout[0]),
.bo5(), .bo6(),
.ff_q());
endmodule
//clb_NOUTMUX_F78: already have above as clb_LUT8
module clb_NOUTMUX_F78 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
wire lut8o, lut7bo, lut7ao;
/*
D: N/A (no such mux position)
C: F7B:O
B: F8:O
A: F7A:O
*/
generate
if (N == 3) begin
//No muxes, so this is undefined
invalid_configuration invalid_configuration3();
end else if (N == 2) begin
assign dout[0] = lut7bo;
end else if (N == 1) begin
assign dout[0] = lut8o;
end else if (N == 0) begin
assign dout[0] = lut7ao;
end
endgenerate
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din),
.lut8o(lut8o), .lut7bo(lut7bo), .lut7ao(lut7ao),
.caro(), .carco(),
.bo5(), .bo6(),
.ff_q());
endmodule
module clb_NOUTMUX_O5 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(), .carco(),
.bo5(dout[0]), .bo6(),
.ff_q());
endmodule
/*
//FIXME: need to force it to use both X and O6
module clb_NOUTMUX_O6 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(), .co(), .carco(), .bo5(), .bo6());
endmodule
*/
module clb_NOUTMUX_XOR (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(dout[0]), .carco(),
.bo5(), .bo6(),
.ff_q());
endmodule
module clb_NOUTMUX_B5Q (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din),
.lut8o(),
.caro(), .carco(),
.bo5(), .bo6(),
.ff_q(dout[0]));
endmodule
''')

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@ -64,9 +64,9 @@ module myLUT8 (input clk, input [7:0] din,
assign carco = carco_all[N];
wire [3:0] lutno6;
assign bo6 = lutno6[N];
wire [3:0] lutno5;
assign bo5 = lutno5[N];
assign bo6 = lutno6[N];
//Outputs does not have to be used, will stay without it
(* LOC=LOC, BEL="F8MUX", KEEP, DONT_TOUCH *)

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@ -29,30 +29,42 @@ module top(input clk, stb, di, output do);
endmodule
module roi(input clk, input [255:0] din, output [255:0] dout);
parameter N=1;
parameter N=3;
clb_BOUTMUX_CY #(.LOC("SLICE_X18Y100"), .N(N))
clb_BOUTMUX_CY (.clk(clk), .din(din[ 8 +: 8]), .dout(dout[ 8 +: 8]));
clb_BOUTMUX_F8 #(.LOC("SLICE_X18Y101"), .N(N))
clb_BOUTMUX_F8 (.clk(clk), .din(din[ 16 +: 8]), .dout(dout[ 16 +: 8]));
//clb_BOUTMUX_O6 #(.LOC("SLICE_X18Y102"), .N(N))
// clb_BOUTMUX_O6 (.clk(clk), .din(din[ 24 +: 8]), .dout(dout[ 24 +: 8]));
clb_BOUTMUX_O5 #(.LOC("SLICE_X18Y103"), .N(N))
clb_BOUTMUX_O5 (.clk(clk), .din(din[ 32 +: 8]), .dout(dout[ 32 +: 8]));
clb_BOUTMUX_B5Q #(.LOC("SLICE_X18Y104"), .N(N))
clb_BOUTMUX_B5Q (.clk(clk), .din(din[ 48 +: 8]), .dout(dout[ 48 +: 8 ]));
clb_BOUTMUX_XOR #(.LOC("SLICE_X18Y105"), .N(N))
clb_BOUTMUX_XOR (.clk(clk), .din(din[ 56 +: 8]), .dout(dout[ 56 +: 8 ]));
//ok
clb_NOUTMUX_CY #(.LOC("SLICE_X18Y100"), .N(N))
clb_NOUTMUX_CY (.clk(clk), .din(din[ 8 +: 8]), .dout(dout[ 8 +: 8]));
//ok
generate
if (N != 3) begin
clb_NOUTMUX_F78 #(.LOC("SLICE_X18Y101"), .N(N))
clb_NOUTMUX_F78 (.clk(clk), .din(din[ 16 +: 8]), .dout(dout[ 16 +: 8]));
end
endgenerate
//ok
clb_NOUTMUX_O5 #(.LOC("SLICE_X18Y102"), .N(N))
clb_NOUTMUX_O5 (.clk(clk), .din(din[ 32 +: 8]), .dout(dout[ 32 +: 8]));
//clb_NOUTMUX_O6 #(.LOC("SLICE_X18Y103"), .N(N))
// clb_NOUTMUX_O6 (.clk(clk), .din(din[ 24 +: 8]), .dout(dout[ 24 +: 8]));
//FIXME
clb_NOUTMUX_XOR #(.LOC("SLICE_X18Y104"), .N(N))
clb_NOUTMUX_XOR (.clk(clk), .din(din[ 56 +: 8]), .dout(dout[ 56 +: 8 ]));
//ok
clb_NOUTMUX_B5Q #(.LOC("SLICE_X18Y105"), .N(N))
clb_NOUTMUX_B5Q (.clk(clk), .din(din[ 48 +: 8]), .dout(dout[ 48 +: 8 ]));
endmodule
module myLUT8 (input clk, input [7:0] din,
output lut8o,
output lut8o, output lut7bo, output lut7ao,
//caro: XOR additional result (main output)
//carco: CLA result (carry module additional output)
output caro, output carco,
output bo5, output bo6,
//Note: b5ff_q requires the mux and will conflict with other wires
//Otherwise this FF drops out
output wire ff_q);
//output wire [3:0] n5ff_q);
parameter N=-1;
parameter LOC="SLICE_FIXME";
wire [3:0] caro_all;
@ -60,14 +72,10 @@ module myLUT8 (input clk, input [7:0] din,
wire [3:0] carco_all;
assign carco = carco_all[N];
wire [3:0] n5ff_q;
ff_q = n5ff_q[N];
wire [3:0] lutno6;
assign bo6 = lutno6[N];
wire [3:0] lutno5;
wire lut7bo, lut7ao;
assign bo5 = lutno5[1];
assign bo6 = lutno6[1];
assign bo5 = lutno5[N];
//Outputs does not have to be used, will stay without it
(* LOC=LOC, BEL="F8MUX", KEEP, DONT_TOUCH *)
@ -131,42 +139,52 @@ module myLUT8 (input clk, input [7:0] din,
//Outputs do not have to be used, will stay without them
(* LOC=LOC, KEEP, DONT_TOUCH *)
CARRY4 carry4(.O(co), .CO(cout), .DI(lutno5), .S(lutno6), .CYINIT(1'b0), .CI());
CARRY4 carry4(.O(caro_all), .CO(carco_all), .DI(lutno5), .S(lutno6), .CYINIT(1'b0), .CI());
(* LOC=LOC, BEL="D5FF", KEEP, DONT_TOUCH *)
FDPE d5ff (
.C(clk),
.Q(n5ff_q[3]),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[3]));
(* LOC=LOC, BEL="C5FF", KEEP, DONT_TOUCH *)
FDPE c5ff (
.C(clk),
.Q(n5ff_q[2]),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[2]));
(* LOC=LOC, BEL="B5FF", KEEP, DONT_TOUCH *)
FDPE b5ff (
.C(clk),
.Q(n5ff_q[1]),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[1]));
(* LOC=LOC, BEL="A5FF", KEEP, DONT_TOUCH *)
FDPE a5ff (
.C(clk),
.Q(n5ff_q[0]),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[0]));
generate
if (N == 3) begin
(* LOC=LOC, BEL="D5FF", KEEP, DONT_TOUCH *)
FDPE d5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[3]));
end
if (N == 2) begin
(* LOC=LOC, BEL="C5FF", KEEP, DONT_TOUCH *)
FDPE c5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[2]));
end
if (N == 1) begin
(* LOC=LOC, BEL="B5FF", KEEP, DONT_TOUCH *)
FDPE b5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[1]));
end
if (N == 0) begin
(* LOC=LOC, BEL="A5FF", KEEP, DONT_TOUCH *)
FDPE a5ff (
.C(clk),
.Q(ff_q),
.CE(1'b1),
.PRE(1'b0),
.D(lutno5[0]));
end
endgenerate
endmodule
//******************************************************************************
//BOUTMUX tests
module clb_BOUTMUX_CY (input clk, input [7:0] din, output [7:0] dout);
module clb_NOUTMUX_CY (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
@ -177,21 +195,52 @@ module clb_BOUTMUX_CY (input clk, input [7:0] din, output [7:0] dout);
.ff_q());
endmodule
//clb_BOUTMUX_F8: already have above as clb_LUT8
module clb_BOUTMUX_F8 (input clk, input [7:0] din, output [7:0] dout);
//clb_NOUTMUX_F78: already have above as clb_LUT8
module clb_NOUTMUX_F78 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
wire lut8o, lut7bo, lut7ao;
/*
D: N/A (no such mux position)
C: F7B:O
B: F8:O
A: F7A:O
*/
generate
if (N == 3) begin
//No muxes, so this is undefined
invalid_configuration invalid_configuration3();
end else if (N == 2) begin
assign dout[0] = lut7bo;
end else if (N == 1) begin
assign dout[0] = lut8o;
end else if (N == 0) begin
assign dout[0] = lut7ao;
end
endgenerate
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(dout[0]),
myLUT8(.clk(clk), .din(din),
.lut8o(lut8o), .lut7bo(lut7bo), .lut7ao(lut7ao),
.caro(), .carco(),
.bo5(), .bo6(),
.ff_q());
endmodule
module clb_NOUTMUX_O5 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(), .carco(),
.bo5(dout[0]), .bo6(),
.ff_q());
endmodule
/*
//FIXME: need to force it to use both X and O6
module clb_BOUTMUX_O6 (input clk, input [7:0] din, output [7:0] dout);
module clb_NOUTMUX_O6 (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
@ -200,18 +249,18 @@ module clb_BOUTMUX_O6 (input clk, input [7:0] din, output [7:0] dout);
endmodule
*/
module clb_BOUTMUX_O5 (input clk, input [7:0] din, output [7:0] dout);
module clb_NOUTMUX_XOR (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(), .carco(),
.bo5(dout[1]), .bo6(),
.caro(dout[0]), .carco(),
.bo5(), .bo6(),
.ff_q());
endmodule
module clb_BOUTMUX_B5Q (input clk, input [7:0] din, output [7:0] dout);
module clb_NOUTMUX_B5Q (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
@ -223,19 +272,3 @@ module clb_BOUTMUX_B5Q (input clk, input [7:0] din, output [7:0] dout);
.ff_q(dout[0]));
endmodule
module clb_BOUTMUX_XOR (input clk, input [7:0] din, output [7:0] dout);
parameter LOC="SLICE_FIXME";
parameter N=1;
//Shady connections, just enough to keep it placed
wire [3:0] co;
assign dout = co[1];
myLUT8 #(.LOC(LOC), .N(N))
myLUT8(.clk(clk), .din(din), .lut8o(),
.caro(co), .cout(),
.bo5(), .bo6(),
.ff_q());
endmodule