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

030-iob: increase fuzzer efficiency
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litghost 2021-02-11 08:56:39 -08:00 committed by GitHub
parent 353f67664c 39688725dc
commit 953f8745ba
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 34 additions and 8 deletions
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2
fuzzers/030-iob/Makefile
View File

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

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

@ -50,9 +50,7 @@ def write_params(params):
def run():
tile_types = [
'IBUF', 'OBUF', 'IOBUF_INTERMDISABLE', None, None, None, None, None
]
tile_types = ['IBUF', 'OBUF', 'IOBUF_INTERMDISABLE', None, None]
i_idx = 0
o_idx = 0
@ -112,12 +110,22 @@ def run():
}
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
if iostandard in ['SSTL135', 'SSTL15']:
for iobank in iobanks:
iostandard_map = dict()
for iobank in iobanks:
iostandard = random.choice(iostandards)
if iostandard in ['SSTL135', 'SSTL15']:
params['INTERNAL_VREF'][iobank] = random.choice(
(
.600,
@ -126,10 +134,28 @@ def run():
.90,
))
iostandard_map[iobank] = iostandard
params['iobanks'] = list(iobanks)
any_idelay = False
for tile, sites in gen_sites():
iostandard = None
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 iostandard in diff_map:
site_bels[site_type] = random.choice(