nodemcu-firmware/tools/gen_appbin.py

72 lines
1.5 KiB
Python
Executable File

#!/usr/bin/python
#
# Copyright (c) 2010 Espressif System
#
# grab user_start() address and pass it to genflashbin program
#
import string
import sys
import os
import re
if len(sys.argv) != 3:
print 'Usage: gen_appbin.py eagle.app.out version'
sys.exit(0)
elf_file = sys.argv[1]
ver = sys.argv[2]
#print elf_file
cmd = 'xt-nm -g ' + elf_file + ' > eagle.app.sym'
#print cmd
os.system(cmd)
fp = file('./eagle.app.sym')
if fp is None:
print "open sym file error\n"
exit
lines = fp.readlines()
fp.close()
entry_addr = None
p = re.compile('(\w*)(\sT\s)(call_user_start)$')
for line in lines:
m = p.search(line)
if m != None:
entry_addr = m.group(1)
#entry_addr = int(entry_addr, 16)
print entry_addr
if entry_addr is None:
print 'no entry point!!'
exit
data_start_addr = '0'
p = re.compile('(\w*)(\sA\s)(_data_start)$')
for line in lines:
m = p.search(line)
if m != None:
data_start_addr = m.group(1)
print data_start_addr
rodata_start_addr = '0'
p = re.compile('(\w*)(\sA\s)(_rodata_start)$')
for line in lines:
m = p.search(line)
if m != None:
rodata_start_addr = m.group(1)
print rodata_start_addr
cmd = 'genflashbin%s eagle.app.%s.text.bin '%(ver, ver)+entry_addr+' eagle.app.%s.data.bin '%(ver)+ data_start_addr+' eagle.app.%s.rodata.bin '%(ver)+rodata_start_addr
print cmd
os.system(cmd)
cmd = 'mv eagle.app.flash.bin eagle.app.%s.flash.bin'%(ver)
print cmd
os.system(cmd)