ad256e5014
This commits adds support for TI's SmartRF05 Eval. Board with cc2530 EMs Some initial support for cc2531 USB dongles
245 lines
8.3 KiB
Python
245 lines
8.3 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Copyright (c) 2010, Loughborough University - Computer Science
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
# 3. Neither the name of the Institute nor the names of its contributors
|
|
# may be used to endorse or promote products derived from this software
|
|
# without specific prior written permission.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
# This file is part of the Contiki operating system.
|
|
|
|
# \file
|
|
# Automatic allocation of modules to code segments for bankable builds
|
|
# with SDCC's huge memory model.
|
|
#
|
|
# \author
|
|
# George Oikonomou - <oikonomou@users.sourceforge.net>
|
|
import sys
|
|
import re
|
|
import operator
|
|
import fileinput
|
|
import os
|
|
|
|
# Open a module object file (.rel) and read it's code size
|
|
def retrieve_module_size(file_name):
|
|
size_pat = re.compile('^A\s+(?:HOME|BANK[0-9])\s+size\s+([1-9A-F][0-9A-F]*)')
|
|
for code_line in open(file_name):
|
|
matches = size_pat.search(code_line)
|
|
if matches is not None:
|
|
return int(matches.group(1), 16)
|
|
return 0
|
|
|
|
# Searches for a code segment rule for file_name in the segment_rules file
|
|
# If there is a rule, we respect it. Otherwise, we can move the file around
|
|
def get_source_seg(source_file, object_file, segment_rules):
|
|
for line in open(segment_rules):
|
|
tokens = line.split(None)
|
|
match = re.search(tokens[1], source_file)
|
|
if match is not None:
|
|
# Save it in basename.seg
|
|
base, ext = os.path.splitext(object_file)
|
|
of = open(base + '.seg', 'w')
|
|
of.write(tokens[0] + '\n')
|
|
of.close
|
|
return tokens[0]
|
|
return None
|
|
|
|
# If segment.rules specified a rule for a source file, the respective object
|
|
# file's banking requirement will be stored in object_file.seg
|
|
def get_object_seg(object_file):
|
|
base, ext = os.path.splitext(object_file)
|
|
seg = base + '.seg'
|
|
bank = None
|
|
if os.path.isfile(seg) is True:
|
|
of = open(base + '.seg', 'r')
|
|
bank = of.readline().strip()
|
|
of.close()
|
|
return bank
|
|
|
|
# Open project.mem and retreive the project's total code footprint
|
|
def get_total_size(project):
|
|
mem_file = project + '.mem'
|
|
pat = re.compile('FLASH\s+(0x[0-9a-f]+\s+){2}([0-9]+)')
|
|
for line in open(mem_file):
|
|
l = pat.search(line)
|
|
if l is not None:
|
|
return int(l.group(2))
|
|
|
|
# Open project.map and retrieve the list of modules linked in
|
|
# This will only consider contiki sources, not SDCC libraries
|
|
# NB: Sometimes object filenames get truncated:
|
|
# contiki-sensinode.lib [ obj_sensinode/watchdog-cc2430.re ]
|
|
# See how for this file the 'l' in 'rel' is missing. For that reason, we retrieve
|
|
# the filaname until the last '.' but without the extension and we append 'rel'
|
|
# As long as the filename doesn't get truncated, we're good
|
|
def populate(project, modules, segment_rules, bins):
|
|
bankable_total = 0
|
|
user_total = 0
|
|
|
|
map_file = project + '.map'
|
|
file_pat = re.compile('obj_cc2530dk[^ ]+\.')
|
|
for line in open(map_file):
|
|
file_name = file_pat.search(line)
|
|
if file_name is not None:
|
|
mod = file_name.group(0) + 'rel'
|
|
code_size = retrieve_module_size(mod)
|
|
seg = get_object_seg(mod)
|
|
if seg is not None:
|
|
# This module has been assigned to a bank by the user
|
|
#print 'In', seg, file_name.group(0), 'size', code_size
|
|
bins[seg][0] += code_size
|
|
user_total += code_size
|
|
else:
|
|
# We are free to allocate this module
|
|
modules.append([mod, code_size, "NONE"])
|
|
bankable_total += code_size
|
|
return bankable_total, user_total
|
|
|
|
# Allocate bankable modules to banks according to a simple
|
|
# 'first fit, decreasing' bin packing heuristic.
|
|
def bin_pack(modules, bins, offset, log):
|
|
if offset==1:
|
|
bins['HOME'][1] -= 4096
|
|
|
|
# Sort by size, descending, in=place
|
|
modules.sort(key=operator.itemgetter(1), reverse=True)
|
|
|
|
for module in modules:
|
|
# We want to iterate in a specific order and dict.keys() won't do that
|
|
for bin_id in ['HOME', 'BANK1', 'BANK2', 'BANK3', 'BANK4', 'BANK5', 'BANK6', 'BANK7']:
|
|
if bins[bin_id][0] + module[1] < bins[bin_id][1]:
|
|
bins[bin_id][0] += module[1]
|
|
module[2] = bin_id
|
|
log.writelines(' '.join([module[2].ljust(8), \
|
|
str(module[1]).rjust(5), module[0], '\n']))
|
|
break
|
|
else:
|
|
if bin_id == 'BANK7':
|
|
print "Failed to allocate", module[0], "with size", module[1], \
|
|
"to a code bank. This is fatal"
|
|
return 1
|
|
return 0
|
|
|
|
# Hack the new bank directly in the .rel file
|
|
def relocate(module, bank):
|
|
code_pat = re.compile('(A\s+)(?:HOME|BANK[0-9])(\s+size\s+[1-9A-F][0-9A-F]*.+\n)')
|
|
|
|
for line in fileinput.input(module, inplace=1):
|
|
m = code_pat.search(line)
|
|
if m is not None:
|
|
line = m.group(1) + bank + m.group(2)
|
|
sys.stdout.write(line)
|
|
return
|
|
|
|
if len(sys.argv) < 3:
|
|
print 'Usage:'
|
|
print 'bank-alloc.py project path_to_segment_rules [offset]'
|
|
print 'bank-alloc.py source_file path_to_segment_rules object_file'
|
|
sys.exit(1)
|
|
|
|
modules = list()
|
|
file_name = sys.argv[1]
|
|
segment_rules = sys.argv[2]
|
|
|
|
# Magic: Guess whether we want to determine the code bank for a code file
|
|
# or whether we want to bin-pack
|
|
basename, ext = os.path.splitext(file_name)
|
|
if ext == '.c':
|
|
# Code Segment determination
|
|
if len(sys.argv) < 4:
|
|
print 'Usage:'
|
|
print 'bank-alloc.py project path_to_segment_rules [offset]'
|
|
print 'bank-alloc.py source_file path_to_segment_rules object_file'
|
|
sys.exit(1)
|
|
object_file = sys.argv[3]
|
|
seg = get_source_seg(file_name, object_file, segment_rules)
|
|
if seg is None:
|
|
print "BANK1"
|
|
else:
|
|
print seg
|
|
exit()
|
|
|
|
# Bin-Packing
|
|
offset = 0
|
|
if len(sys.argv) > 3 and sys.argv[3] is not None:
|
|
offset = int(sys.argv[3])
|
|
|
|
sizes = {'total': 0, 'bankable': 0, 'user': 0, 'libs': 0}
|
|
|
|
# Name : [Allocated, capacity, start_addr]
|
|
bins = {
|
|
'HOME': [0, 32768, '0x000000'],
|
|
'BANK1': [0, 32768, '0x018000'],
|
|
'BANK2': [0, 32768, '0x028000'],
|
|
'BANK3': [0, 32768, '0x038000'],
|
|
'BANK4': [0, 32768, '0x048000'],
|
|
'BANK5': [0, 32768, '0x058000'],
|
|
'BANK6': [0, 32768, '0x068000'],
|
|
'BANK7': [0, 32768, '0x078000'],
|
|
}
|
|
|
|
sizes['total'] = get_total_size(basename)
|
|
sizes['bankable'], sizes['user'] = populate(basename, modules, segment_rules, bins)
|
|
sizes['libs'] = sizes['total'] - sizes['bankable'] - sizes['user']
|
|
|
|
print 'Total Size =', sizes['total'], 'bytes (' + \
|
|
str(sizes['bankable']), 'bankable,', \
|
|
str(sizes['user']), 'user-allocated,', \
|
|
str(sizes['libs']), 'const+libs)'
|
|
|
|
bins['HOME'][0] += sizes['libs']
|
|
|
|
print 'Preallocations: HOME=' + str(bins['HOME'][0]),
|
|
for bin_id in ['BANK1', 'BANK2', 'BANK3', 'BANK4', 'BANK5', 'BANK6', 'BANK7']:
|
|
if bins[bin_id][0] > 0:
|
|
print ", " + bin_id + "=" + str(bins[bin_id][0]),
|
|
print
|
|
|
|
# Open a log file
|
|
of = open(basename + '.banks', 'w')
|
|
pack = bin_pack(modules, bins, offset, of)
|
|
of.close()
|
|
|
|
print "Bin-Packing results (target allocation):"
|
|
print "Segment - max - alloc"
|
|
for bin_id in ['HOME', 'BANK1', 'BANK2', 'BANK3', 'BANK4', 'BANK5', 'BANK6', 'BANK7']:
|
|
if bins[bin_id][0] > 0:
|
|
print bin_id.rjust(7), str(bins[bin_id][1]).rjust(6), str(bins[bin_id][0]).rjust(6)
|
|
|
|
if pack > 0:
|
|
sys.exit(1)
|
|
|
|
# If we reach here we seem to have a sane allocation. Start changing .rel files
|
|
for module in modules:
|
|
relocate(module[0], module[2])
|
|
|
|
flags = ""
|
|
# Export LD_POST_FLAGS
|
|
for bin_id in ['BANK1', 'BANK2', 'BANK3', 'BANK4', 'BANK5', 'BANK6', 'BANK7']:
|
|
if bins[bin_id][0] > 0:
|
|
flags += "-Wl-b" + bin_id + "=" + bins[bin_id][2] + " "
|
|
# Write LD_POST_FLAGS in project.flags
|
|
of = open(basename + '.flags', 'w')
|
|
of.write(flags + '\n')
|
|
of.close()
|