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OpenRAM
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Conditional import of array col/row multiple

This commit is contained in:
mrg 2021-06-29 11:27:54 -07:00
parent 4a9f361ab9
commit 833b7b98ab
1 changed files with 16 additions and 7 deletions
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23
compiler/sram/sram_config.py
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@ -9,8 +9,6 @@ import debug
from math import log, sqrt, ceil
from globals import OPTS
from sram_factory import factory
from tech import array_row_multiple
from tech import array_col_multiple
class sram_config:
@ -24,6 +22,18 @@ class sram_config:
self.num_spare_rows = num_spare_rows
self.num_spare_cols = num_spare_cols
try:
from tech import array_row_multiple
self.array_row_multiple = array_row_multiple
except ImportError:
self.array_row_multiple = 1
try:
from tech import array_col_multiple
self.array_col_multiple = array_col_multiple
except ImportError:
self.array_col_multiple = 1
# This will get over-written when we determine the organization
self.words_per_row = words_per_row
@ -69,7 +79,6 @@ class sram_config:
OPTS.words_per_row = self.words_per_row
debug.info(1, "Set SRAM Words Per Row={}".format(OPTS.words_per_row))
def recompute_sizes(self):
"""
Calculate the auxiliary values assuming fixed number of words per row.
@ -100,11 +109,11 @@ class sram_config:
num_ports = OPTS.num_rw_ports + OPTS.num_r_ports + OPTS.num_w_ports
if num_ports == 1:
if ((self.num_cols + num_ports + self.num_spare_cols) % array_col_multiple != 0):
debug.error("Invalid number of cols including rbl(s): {}. Total cols must be divisible by {}".format(self.num_cols + num_ports + self.num_spare_cols, array_col_multiple), -1)
if ((self.num_cols + num_ports + self.num_spare_cols) % self.array_col_multiple != 0):
debug.error("Invalid number of cols including rbl(s): {}. Total cols must be divisible by {}".format(self.num_cols + num_ports + self.num_spare_cols, self.array_col_multiple), -1)
if ((self.num_rows + num_ports) % array_row_multiple != 0):
debug.error("invalid number of rows including dummy row(s): {}. Total cols must be divisible by {}".format(self.num_rows + num_ports, array_row_multiple), -1)
if ((self.num_rows + num_ports) % self.array_row_multiple != 0):
debug.error("invalid number of rows including dummy row(s): {}. Total cols must be divisible by {}".format(self.num_rows + num_ports, self.array_row_multiple), -1)
def estimate_words_per_row(self, tentative_num_cols, word_size):
"""