/Modules/AVR/AVRUSB01A/SW/fw_i2c_tiny_usb/util/check.py
0,0 → 1,51
#!/usr/bin/python
# ======================================================================
# check.py - Check section sizes and other constraints
#
# Copyright (C) 2006 Dick Streefland
#
# This is free software, licensed under the terms of the GNU General
# Public License as published by the Free Software Foundation.
# ======================================================================
 
import os, sys
 
stacksize = 32
flashsize = 2048
ramsize = 128
 
if len(sys.argv) > 2:
stacksize = int(sys.argv[2])
if len(sys.argv) > 3:
flashsize = int(sys.argv[3])
if len(sys.argv) > 4:
ramsize = int(sys.argv[4])
 
max_sram = ramsize - stacksize
 
for line in os.popen('avr-objdump -ht ' + sys.argv[1]).readlines():
a = line.split()
if len(a) == 7:
if a[1] == '.text':
text = int(a[2], 16)
if a[1] == '.data':
data = int(a[2], 16)
if a[1] == '.bss':
bss = int(a[2], 16)
if len(a) == 5 and a[4] == 'crc4tab':
crc4tab = int(a[0], 16)
print 'text: %d, data: %d, bss: %d' % (text, data, bss)
 
status = 0
overflow = text + data - flashsize
if overflow > 0:
print 'ERROR: Flash size limit exceeded by %d bytes.' % overflow
status = 1
overflow = bss + data - max_sram
if overflow > 0:
print 'ERROR: SRAM size limit exceeded by %d bytes.' % overflow
status = 1
if (crc4tab & 0xff) > 0xf0:
print 'ERROR: The table crc4tab should not cross a page boundary.'
status = 1
sys.exit(status)