luke
/
prjxray
mirror of https://github.com/openXC7/prjxray.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1586 from antmicro/more-efficient-030-iob-fuzzer 

030-iob: increase fuzzer efficiency
This commit is contained in:
litghost 2021-02-11 08:56:39 -08:00 committed by GitHub
parent 353f67664c 39688725dc
commit 953f8745ba
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fuzzers/030-iob/Makefile
View File

@ -5,7 +5,7 @@
# https://opensource.org/licenses/ISC # https://opensource.org/licenses/ISC
# #
# SPDX-License-Identifier: ISC # SPDX-License-Identifier: ISC
N := 50 N := 20
SPECIMENS_DEPS := build/iobanks.txt SPECIMENS_DEPS := build/iobanks.txt
include ../fuzzer.mk include ../fuzzer.mk

40
fuzzers/030-iob/top.py
View File

@ -50,9 +50,7 @@ def write_params(params):
def run(): def run():
tile_types = [ tile_types = ['IBUF', 'OBUF', 'IOBUF_INTERMDISABLE', None, None]
'IBUF', 'OBUF', 'IOBUF_INTERMDISABLE', None, None, None, None, None
]
i_idx = 0 i_idx = 0
o_idx = 0 o_idx = 0
@ -112,12 +110,22 @@ def run():
} }
with open(os.path.join(os.getenv('FUZDIR'), 'build', 'iobanks.txt')) as f: with open(os.path.join(os.getenv('FUZDIR'), 'build', 'iobanks.txt')) as f:
iobanks = [int(l.strip().split(',')[1]) for l in f] iobanks = set()
iob_sites = dict()
for l in f:
fields = l.split(',')
iob_site = fields[0]
iobank = fields[1].rstrip()
iobanks.add(iobank)
iob_sites[iob_site] = iobank
params['iobanks'] = iobanks params['iobanks'] = iobanks
if iostandard in ['SSTL135', 'SSTL15']: iostandard_map = dict()
for iobank in iobanks: for iobank in iobanks:
iostandard = random.choice(iostandards)
if iostandard in ['SSTL135', 'SSTL15']:
params['INTERNAL_VREF'][iobank] = random.choice( params['INTERNAL_VREF'][iobank] = random.choice(
( (
.600, .600,
@ -126,10 +134,28 @@ def run():
.90, .90,
)) ))
iostandard_map[iobank] = iostandard
params['iobanks'] = list(iobanks)
any_idelay = False any_idelay = False
for tile, sites in gen_sites(): for tile, sites in gen_sites():
iostandard = None
site_bels = {} site_bels = {}
for site_type in sites: for site_type, site_name in sites.items():
iobank = iob_sites[site_name]
iostandard = iostandard_map[iobank]
if iostandard in ['LVTTL', 'LVCMOS18']:
drives = [4, 8, 12, 16, 24]
elif iostandard in ['LVCMOS12']:
drives = [4, 8, 12]
elif iostandard in ['SSTL135', 'SSTL15', 'LVDS', 'LVDS_25']:
drives = None
else:
drives = [4, 8, 12, 16]
if site_type.endswith('M'): if site_type.endswith('M'):
if iostandard in diff_map: if iostandard in diff_map:
site_bels[site_type] = random.choice( site_bels[site_type] = random.choice(