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066-gtp-int-pips: add fuzzer for GTP_INT_INTERFACE DELAY PIPs 

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
This commit is contained in:
Alessandro Comodi 2021-02-02 17:36:01 +01:00
parent 53e1678dab
commit 5137498bcb
10 changed files with 562 additions and 0 deletions
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55
fuzzers/066-gtp-int-pips/Makefile Normal file
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# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
export FUZDIR=$(shell pwd)
PIP_TYPE?=gtp_int_interface
SEG_TYPE?=gtp_int_interface
PIPLIST_TCL=$(FUZDIR)/gtp_int_interface_pip_list.tcl
BUILD_DIR = build
RUN_OK = run.ok
TODO_RE=".*"
MAKETODO_FLAGS=--pip-type ${PIP_TYPE} --seg-type $(SEG_TYPE) --re $(TODO_RE) --sides ""
N = 2
SEGMATCH_FLAGS=-c 1
A_PIPLIST=gtp_int_interface.txt
CHECK_ARGS= --zero-entries --timeout-iters 2
include ../pip_loop.mk
$(BUILD_DIR)/segbits_gtp_int_interface.rdb: $(SPECIMENS_OK)
${XRAY_SEGMATCH} ${SEGMATCH_FLAGS} -o $(BUILD_DIR)/segbits_gtp_int_interface.rdb \
$(shell find $(BUILD_DIR) -name segdata_gtp_int_interface*.txt)
RDBS = $(BUILD_DIR)/segbits_gtp_int_interface.rdb
database: ${RDBS}
${XRAY_DBFIXUP} --db-root $(BUILD_DIR) --zero-db bits.dbf \
--seg-fn-in $(BUILD_DIR)/segbits_gtp_int_interface.rdb \
--seg-fn-out $(BUILD_DIR)/segbits_gtp_int_interface.db
# Keep a copy to track iter progress
cp $(BUILD_DIR)/segbits_gtp_int_interface.rdb $(BUILD_DIR)/$(ITER)/segbits_gtp_int_interface.rdb
cp $(BUILD_DIR)/segbits_gtp_int_interface.db $(BUILD_DIR)/$(ITER)/segbits_gtp_int_interface.db
# Clobber existing .db to eliminate potential conflicts
cp ${XRAY_DATABASE_DIR}/${XRAY_DATABASE}/segbits*.db $(BUILD_DIR)/database/${XRAY_DATABASE}
XRAY_DATABASE_DIR=$(BUILD_DIR)/database ${XRAY_MERGEDB} gtp_int_interface_l $(BUILD_DIR)/segbits_gtp_int_interface.db
XRAY_DATABASE_DIR=$(BUILD_DIR)/database ${XRAY_MERGEDB} gtp_int_interface_r $(BUILD_DIR)/segbits_gtp_int_interface.db
XRAY_DATABASE_DIR=$(BUILD_DIR)/database ${XRAY_MERGEDB} gtp_int_interface $(BUILD_DIR)/segbits_gtp_int_interface.db
pushdb: database
${XRAY_MERGEDB} gtp_int_interface_l $(BUILD_DIR)/segbits_gtp_int_interface.db
${XRAY_MERGEDB} gtp_int_interface_r $(BUILD_DIR)/segbits_gtp_int_interface.db
${XRAY_MERGEDB} gtp_int_interface $(BUILD_DIR)/segbits_gtp_int_interface.db
.PHONY: database pushdb run clean

0
fuzzers/066-gtp-int-pips/bits.dbf Normal file
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99
fuzzers/066-gtp-int-pips/generate.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
from prjxray.segmaker import Segmaker
import os
import os.path
def bitfilter(frame, word):
word = int(word / 32)
if frame not in [26, 27]:
return False
return True
def read_pip_data(pipfile, pipdata, tile_ports):
with open(os.path.join(os.getenv('FUZDIR'), '..', 'piplist', 'build',
'gtp_int_interface', pipfile)) as f:
for l in f:
tile_type, dst, src = l.strip().split('.')
if tile_type not in pipdata:
pipdata[tile_type] = []
tile_ports[tile_type] = set()
pipdata[tile_type].append((src, dst))
tile_ports[tile_type].add(src)
tile_ports[tile_type].add(dst)
def main():
segmk = Segmaker("design.bits")
tiledata = {}
pipdata = {}
ignpip = set()
tile_ports = {}
read_pip_data('gtp_int_interface.txt', pipdata, tile_ports)
print("Loading tags from design.txt.")
with open("design.txt", "r") as f:
for line in f:
tile, pip, src, dst, pnum, pdir = line.split()
if not tile.startswith('GTP_INT_INTERFACE'):
continue
pip_prefix, _ = pip.split(".")
tile_from_pip, tile_type = pip_prefix.split('/')
assert tile == tile_from_pip
_, src = src.split("/")
_, dst = dst.split("/")
pnum = int(pnum)
pdir = int(pdir)
if tile not in tiledata:
tiledata[tile] = {
"type": tile_type,
"pips": set(),
"srcs": set(),
"dsts": set()
}
tiledata[tile]["pips"].add((src, dst))
tiledata[tile]["srcs"].add(src)
tiledata[tile]["dsts"].add(dst)
if pdir == 0:
tiledata[tile]["srcs"].add(dst)
tiledata[tile]["dsts"].add(src)
for tile, pips_srcs_dsts in tiledata.items():
tile_type = pips_srcs_dsts["type"]
pips = pips_srcs_dsts["pips"]
for src, dst in pipdata["GTP_INT_INTERFACE"]:
if (src, dst) in ignpip:
pass
elif (src, dst) in pips:
segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 1)
else:
segmk.add_tile_tag(tile, "%s.%s" % (dst, src), 0)
segmk.compile(bitfilter=bitfilter)
segmk.write()
if __name__ == "__main__":
main()

67
fuzzers/066-gtp-int-pips/generate.tcl Normal file
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# Copyright (C) 2017-2020 The Project X-Ray Authors
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
source "$::env(XRAY_DIR)/utils/utils.tcl"
proc route_delay {} {
set nets [get_nets]
foreach net $nets {
set wire [get_wires -of_objects $net -filter { TILE_NAME =~ "*GTP_INT_INTERFACE*" && NAME =~ "*IMUX_OUT*" }]
if { $wire == "" } {
continue
}
if { rand() < 0.60 } {
continue
}
set parts [split $wire "/"]
set tile_name [lindex $parts 0]
set wire_name [lindex $parts 1]
set delay_wire_name [string map {OUT DELAY} $wire_name]
set delay_node [get_nodes $tile_name/$delay_wire_name]
if { $delay_node == "" } {
exit 1
}
route_design -unroute -nets $net
puts "Attempting to route net $net through $delay_node."
route_via $net [list $delay_node]
}
}
proc run {} {
create_project -force -part $::env(XRAY_PART) design design
read_verilog top.v
synth_design -top top
set_property CFGBVS VCCO [current_design]
set_property CONFIG_VOLTAGE 3.3 [current_design]
set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design]
set_property IS_ENABLED 0 [get_drc_checks {REQP-47}]
set_property IS_ENABLED 0 [get_drc_checks {REQP-48}]
set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets]
place_design -directive Quick
route_design -directive Quick
route_delay
route_design
write_checkpoint -force design.dcp
write_bitstream -force design.bit
write_pip_txtdata design.txt
}
run

47
fuzzers/066-gtp-int-pips/gtp_int_interface_pip_list.tcl Normal file
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# Copyright (C) 2017-2020 The Project X-Ray Authors
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
proc print_tile_pips {tile_type filename} {
set fp [open $filename w]
set pips [dict create]
foreach tile [get_tiles -filter "TYPE =~ $tile_type*"] {
foreach pip [lsort [get_pips -of_objects $tile]] {
set src [get_wires -uphill -of_objects $pip]
set dst [get_wires -downhill -of_objects $pip]
# Skip pips with disconnected nodes
set src_node [get_nodes -of_objects $src]
if { $src_node == {} } {
continue
}
set dst_node [get_nodes -of_objects $dst]
if { $dst_node == {} } {
continue
}
set src_wire [regsub {.*/} $src ""]
set src_delay_match [regexp {DELAY} $src_wire]
if { $src_delay_match } {
set pip_string "GTP_INT_INTERFACE.[regsub {.*/} $dst ""].[regsub {.*/} $src ""]"
if ![dict exists $pips $pip_string] {
puts $fp $pip_string
dict set pips $pip_string 1
}
}
}
}
close $fp
}
create_project -force -part $::env(XRAY_PART) design design
set_property design_mode PinPlanning [current_fileset]
open_io_design -name io_1
print_tile_pips GTP_INT_INTERFACE gtp_int_interface.txt

196
fuzzers/066-gtp-int-pips/ports.py Normal file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
ports = {
"GTPE2_CHANNEL": [
("CFGRESET", 1),
("CLKRSVD0", 1),
("CLKRSVD1", 1),
("DMONFIFORESET", 1),
("DMONITORCLK", 1),
("DRPCLK", 1),
("DRPEN", 1),
("DRPWE", 1),
("EYESCANMODE", 1),
("EYESCANRESET", 1),
("EYESCANTRIGGER", 1),
("GTRESETSEL", 1),
("GTRXRESET", 1),
("GTTXRESET", 1),
("PMARSVDIN0", 1),
("PMARSVDIN1", 1),
("PMARSVDIN2", 1),
("PMARSVDIN3", 1),
("PMARSVDIN4", 1),
("RESETOVRD", 1),
("RX8B10BEN", 1),
("RXBUFRESET", 1),
("RXCDRFREQRESET", 1),
("RXCDRHOLD", 1),
("RXCDROVRDEN", 1),
("RXCDRRESET", 1),
("RXCDRRESETRSV", 1),
("RXCHBONDEN", 1),
("RXCHBONDMASTER", 1),
("RXCHBONDSLAVE", 1),
("RXCOMMADETEN", 1),
("RXDDIEN", 1),
("RXDFEXYDEN", 1),
("RXDLYBYPASS", 1),
("RXDLYEN", 1),
("RXDLYOVRDEN", 1),
("RXDLYSRESET", 1),
("RXGEARBOXSLIP", 1),
("RXLPMHFHOLD", 1),
("RXLPMHFOVRDEN", 1),
("RXLPMLFHOLD", 1),
("RXLPMLFOVRDEN", 1),
("RXLPMOSINTNTRLEN", 1),
("RXLPMRESET", 1),
("RXMCOMMAALIGNEN", 1),
("RXOOBRESET", 1),
("RXOSCALRESET", 1),
("RXOSHOLD", 1),
("RXOSINTEN", 1),
("RXOSINTHOLD", 1),
("RXOSINTNTRLEN", 1),
("RXOSINTOVRDEN", 1),
("RXOSINTPD", 1),
("RXOSINTSTROBE", 1),
("RXOSINTTESTOVRDEN", 1),
("RXOSOVRDEN", 1),
("RXPCOMMAALIGNEN", 1),
("RXPCSRESET", 1),
("RXPHALIGN", 1),
("RXPHALIGNEN", 1),
("RXPHDLYPD", 1),
("RXPHDLYRESET", 1),
("RXPHOVRDEN", 1),
("RXPMARESET", 1),
("RXPOLARITY", 1),
("RXPRBSCNTRESET", 1),
("RXRATEMODE", 1),
("RXSLIDE", 1),
("RXSYNCALLIN", 1),
("RXSYNCIN", 1),
("RXSYNCMODE", 1),
("RXUSERRDY", 1),
("RXUSRCLK2", 1),
("RXUSRCLK", 1),
("SETERRSTATUS", 1),
("SIGVALIDCLK", 1),
("TX8B10BEN", 1),
("TXCOMINIT", 1),
("TXCOMSAS", 1),
("TXCOMWAKE", 1),
("TXDEEMPH", 1),
("TXDETECTRX", 1),
("TXDIFFPD", 1),
("TXDLYBYPASS", 1),
("TXDLYEN", 1),
("TXDLYHOLD", 1),
("TXDLYOVRDEN", 1),
("TXDLYSRESET", 1),
("TXDLYUPDOWN", 1),
("TXELECIDLE", 1),
("TXINHIBIT", 1),
("TXPCSRESET", 1),
("TXPDELECIDLEMODE", 1),
("TXPHALIGN", 1),
("TXPHALIGNEN", 1),
("TXPHDLYPD", 1),
("TXPHDLYRESET", 1),
("TXPHDLYTSTCLK", 1),
("TXPHINIT", 1),
("TXPHOVRDEN", 1),
("TXPIPPMEN", 1),
("TXPIPPMOVRDEN", 1),
("TXPIPPMPD", 1),
("TXPIPPMSEL", 1),
("TXPISOPD", 1),
("TXPMARESET", 1),
("TXPOLARITY", 1),
("TXPOSTCURSORINV", 1),
("TXPRBSFORCEERR", 1),
("TXPRECURSORINV", 1),
("TXRATEMODE", 1),
("TXSTARTSEQ", 1),
("TXSWING", 1),
("TXSYNCALLIN", 1),
("TXSYNCIN", 1),
("TXSYNCMODE", 1),
("TXUSERRDY", 1),
("TXUSRCLK2", 1),
("TXUSRCLK", 1),
("RXADAPTSELTEST", 14),
("DRPDI", 16),
("GTRSVD", 16),
("PCSRSVDIN", 16),
("TSTIN", 20),
("RXELECIDLEMODE", 2),
("RXPD", 2),
("RXSYSCLKSEL", 2),
("TXPD", 2),
("TXSYSCLKSEL", 2),
("LOOPBACK", 3),
("RXCHBONDLEVEL", 3),
("RXOUTCLKSEL", 3),
("RXPRBSSEL", 3),
("RXRATE", 3),
("TXBUFDIFFCTRL", 3),
("TXHEADER", 3),
("TXMARGIN", 3),
("TXOUTCLKSEL", 3),
("TXPRBSSEL", 3),
("TXRATE", 3),
("TXDATA", 32),
("RXCHBONDI", 4),
("RXOSINTCFG", 4),
("RXOSINTID0", 4),
("TX8B10BBYPASS", 4),
("TXCHARDISPMODE", 4),
("TXCHARDISPVAL", 4),
("TXCHARISK", 4),
("TXDIFFCTRL", 4),
("TXPIPPMSTEPSIZE", 5),
("TXPOSTCURSOR", 5),
("TXPRECURSOR", 5),
("TXMAINCURSOR", 7),
("TXSEQUENCE", 7),
("DRPADDR", 9),
],
"GTPE2_COMMON": [
("BGBYPASSB", 1),
("BGMONITORENB", 1),
("BGPDB", 1),
("BGRCALOVRDENB", 1),
("DRPCLK", 1),
("DRPEN", 1),
("DRPWE", 1),
("PLL0LOCKDETCLK", 1),
("PLL0LOCKEN", 1),
("PLL0PD", 1),
("PLL0RESET", 1),
("PLL1LOCKDETCLK", 1),
("PLL1LOCKEN", 1),
("PLL1PD", 1),
("PLL1RESET", 1),
("RCALENB", 1),
("DRPDI", 16),
("PLLRSVD1", 16),
("PLL0REFCLKSEL", 3),
("PLL1REFCLKSEL", 3),
("BGRCALOVRD", 5),
("PLLRSVD2", 5),
("DRPADDR", 8),
("PMARSVD", 8),
],
}

86
fuzzers/066-gtp-int-pips/top.py Normal file
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@ -0,0 +1,86 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Copyright (C) 2017-2020 The Project X-Ray Authors.
#
# Use of this source code is governed by a ISC-style
# license that can be found in the LICENSE file or at
# https://opensource.org/licenses/ISC
#
# SPDX-License-Identifier: ISC
import os
import random
import math
random.seed(int(os.getenv("SEED"), 16))
from prjxray import util
from prjxray.lut_maker import LutMaker
from prjxray.db import Database
from ports import ports
def print_site(ports, luts, site, site_type):
verilog_ports = ""
verilog_wires = ""
for port, width in ports:
verilog_ports += """
.{port}({port}_{site}),""".format(
port=port, site=site)
verilog_wires += "wire [{}:0] {}_{};\n".format(width - 1, port, site)
for idx in range(0, width):
verilog_wires += "assign {}_{}[{}] = {};\n".format(
port, site, idx, luts.get_next_output_net())
verilog_wires += "\n"
verilog_ports = verilog_ports.rstrip(",")
print(
"""
{wires}
(* KEEP, DONT_TOUCH, LOC = "{site}" *)
{site_type} {site}_instance (
{ports}
);""".format(
wires=verilog_wires,
ports=verilog_ports,
site=site,
site_type=site_type))
def main():
db = Database(util.get_db_root(), util.get_part())
grid = db.grid()
luts = LutMaker()
def gen_sites(desired_site_type):
for tile_name in sorted(grid.tiles()):
loc = grid.loc_of_tilename(tile_name)
gridinfo = grid.gridinfo_at_loc(loc)
for site, site_type in gridinfo.sites.items():
if site_type == desired_site_type:
yield tile_name, site
print('''
module top();
(* KEEP, DONT_TOUCH *)
LUT6 dummy();
''')
for site_type in ["GTPE2_CHANNEL", "GTPE2_COMMON"]:
for _, site in gen_sites(site_type):
print_site(ports[site_type], luts, site, site_type)
for l in luts.create_wires_and_luts():
print(l)
print('endmodule')
if __name__ == "__main__":
main()

1
fuzzers/Makefile
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@ -161,6 +161,7 @@ $(eval $(call fuzzer,061-pcie-conf,005-tilegrid,all))
$(eval $(call fuzzer,063-gtp-common-conf,005-tilegrid,part))
$(eval $(call fuzzer,064-gtp-channel-conf,005-tilegrid,part))
$(eval $(call fuzzer,065-gtp-common-pips,005-tilegrid,part))
$(eval $(call fuzzer,066-gtp-int-pips,005-tilegrid,all))
endif
endif
endif

2
prjxray/segmaker.py
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@ -379,6 +379,8 @@ class Segmaker:
tile_type_norm = 'GTP_CHANNEL'
if 'GTP_COMMON' in tile_type_norm:
tile_type_norm = 'GTP_COMMON'
if 'GTP_INT_INTERFACE' in tile_type_norm:
tile_type_norm = 'GTP_INT_INTERFACE'
# ignore dummy tiles (ex: VBRK)
if len(tiledata['bits']) == 0:

9
utils/mergedb.sh
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@ -205,6 +205,15 @@ case "$1" in
gtp_channel_3_mid_right)
sed < "$2" > "$tmp1" -e 's/^GTP_CHANNEL\./GTP_CHANNEL_3_MID_RIGHT./' ;;
gtp_int_interface_l)
sed < "$2" > "$tmp1" -e 's/^GTP_INT_INTERFACE\.GTPE2_INT/GTP_INT_INTERFACE_L\.GTPE2_INT_LEFT/' ;;
gtp_int_interface_r)
sed < "$2" > "$tmp1" -e 's/^GTP_INT_INTERFACE\.GTPE2_INT/GTP_INT_INTERFACE_R\.GTPE2_INT_R/' ;;
gtp_int_interface)
cp "$2" "$tmp1" ;;
mask_*)
db=$XRAY_DATABASE_DIR/$XRAY_DATABASE/$1.db
ismask=true