checkdb.py: using db and grid

Signed-off-by: Alessandro Comodi <acomodi@antmicro.com>
This commit is contained in:
Alessandro Comodi 2019-02-12 14:02:42 +01:00
parent 1f6054ae0d
commit d18a6df1f8
2 changed files with 36 additions and 51 deletions

View File

@ -1,7 +1,7 @@
import os
import re
from .roi import Roi
from prjxray.grid import BlockType
def get_db_root():
# Used during tilegrid db bootstrap
@ -172,7 +172,7 @@ def addr2btype(base_addr):
return block_type_i2s[block_type_i]
def gen_tile_bits(db_file, tilej, strict=False, verbose=False):
def gen_tile_bits(tile_segbits, tile, strict=False, verbose=False):
'''
For given tile and corresponding db_file structure yield
(absolute address, absolute FDRI bit offset, tag)
@ -182,20 +182,22 @@ def gen_tile_bits(db_file, tilej, strict=False, verbose=False):
For each tag bit in the corresponding block_type entry, calculate absolute address and bit offsets
'''
for block_type, blockj in tilej["bits"].items():
assert block_type in db_file, "Block type is not in current tile"
baseaddr = int(blockj["baseaddr"], 0)
bitbase = 32 * blockj["offset"]
frames = tilej["bits"][block_type]["frames"]
for block_type in tile_segbits:
assert block_type.value in tile["bits"], "block type %s is not present in current tile" % block_type.value
for line, (tag, bits, mode) in db_file[block_type]:
assert mode is None
for bitstr in bits:
block = tile["bits"][block_type.value]
baseaddr = int(block["baseaddr"], 0)
bitbase = 32 * block["offset"]
frames = block["frames"]
for tag in tile_segbits[block_type]:
for bit in tile_segbits[block_type][tag]:
# 31_06
_bit_inv, (bit_addroff, bit_bitoff) = parse_tagbit(bitstr)
assert bit_addroff <= frames, "ERROR: bit out of bound"
yield (baseaddr + bit_addroff, bitbase + bit_bitoff, tag)
word_column, word_bit, isset = bit
assert word_column <= frames, "ERROR: bit out of bound --> word_column = %s; frames = %s" % (word_column, frames)
yield word_column + baseaddr, word_bit + bitbase, tag
def specn():

View File

@ -17,7 +17,7 @@ import parsedb
import glob
def make_tile_mask(db_file, tile_name, tilej, strict=False, verbose=False):
def make_tile_mask(tile_segbits, tile_name, tilej, strict=False, verbose=False):
'''
Return dict
key: (address, bit index)
@ -30,7 +30,7 @@ def make_tile_mask(db_file, tile_name, tilej, strict=False, verbose=False):
ret = dict()
for absaddr, bitaddr, tag in util.gen_tile_bits(
db_file, tilej, strict=strict, verbose=verbose):
tile_segbits, tilej, strict=strict, verbose=verbose):
name = "%s.%s" % (tile_name, tag)
ret.setdefault((absaddr, bitaddr), name)
return ret
@ -54,33 +54,6 @@ def parsedb_all(db_root, verbose=False):
print("mask_*.db: %d okay" % files)
def parsedb_file(db_root, db_files, tile, strict=False, verbose=False):
tile_type = tile["type"]
db_files[tile_type] = {}
for block_type, blockj in tile["bits"].items():
db_files[tile_type][block_type] = []
if block_type == "CLB_IO_CLK":
fn = "%s/segbits_%s.db" % (db_root, tile_type.lower())
else:
fn = "%s/segbits_%s.%s.db" % (
db_root, tile_type.lower(), block_type.lower())
# tilegrid runs a lot earlier than fuzzers
# may not have been created yet
verbose and print("Check %s: %s" % (fn, os.path.exists(fn)))
# FIXME: some segbits files are not present and the strict check produces assertion errors
# e.g. segbits_cmt_top_r_lower_b.db
if strict:
assert os.path.exists(fn)
elif not os.path.exists(fn):
continue
for line in util.parse_db_lines(fn):
db_files[tile_type][block_type].append(line)
return db_files
def check_tile_overlap(db, db_root, strict=False, verbose=False):
'''
Verifies that no two tiles use the same bit
@ -91,8 +64,8 @@ def check_tile_overlap(db, db_root, strict=False, verbose=False):
Throw an exception if two tiles share an address
'''
mall = dict()
tiles_type_done = set()
db_files = dict()
tiles_type_done = dict()
tile_segbits = dict()
tiles_checked = 0
@ -100,15 +73,22 @@ def check_tile_overlap(db, db_root, strict=False, verbose=False):
tile_type = tilej["type"]
if tile_type not in tiles_type_done:
db_files = parsedb_file(db_root, db_files, tilej)
tiles_type_done.add(tile_type)
segbits = db.get_tile_segbits(tile_type).segbits
tile_segbits[tile_type] = segbits
# If segbits has zero length the tile_type is marked True in order to be skipped
if len(segbits) == 0:
tiles_type_done[tile_type] = True
else:
tiles_type_done[tile_type] = False
if tile_type not in mall:
verbose and print("Adding tile type: %s" % tile_type)
mall[tile_type] = {}
if tiles_type_done[tile_type]:
continue
mtile = make_tile_mask(
db_files[tile_type],
tile_segbits[tile_type],
tile_name,
tilej,
strict=strict,
@ -119,8 +99,11 @@ def check_tile_overlap(db, db_root, strict=False, verbose=False):
if len(mtile) == 0:
continue
collisions = set(mall[tile_type].keys()).intersection(
set(mtile.keys()))
collisions = set()
for bits in mtile.keys():
if bits in mall[tile_type].keys():
collisions.add(bits)
if collisions:
print("ERROR: %s collisions" % len(collisions))
for ck in sorted(collisions):