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Fix code/eeprom overflow and overlap handling

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This commit is contained in:
Grigori Goronzy 2014-01-11 17:05:48 +01:00
parent ba8d26059c
commit 320faa00f2
1 changed files with 5 additions and 2 deletions
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7
stcgal.py
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@ -1575,11 +1575,11 @@ class StcGal:
bindata = opts.code_binary.read()
# warn if it overflows
if len(bindata) > code_size:
print("WARNING: code_binary overflows into eeprom segment!", file=sys.stderr)
if len(bindata) > (code_size + ee_size):
print("WARNING: code_binary truncated!", file=sys.stderr)
bindata = bindata[0:code_size + ee_size]
elif len(bindata) > code_size:
print("WARNING: code_binary overflows into eeprom segment!", file=sys.stderr)
# add eeprom data if supplied
if opts.eeprom_binary:
@ -1589,6 +1589,9 @@ class StcGal:
eedata = eedata[0:ee_size]
if len(bindata) < code_size:
bindata += bytes(code_size - len(bindata))
elif len(bindata) > code_size:
print("WARNING: eeprom_binary overlaps code_binary", file=sys.stderr)
bindata = bindata[0:code_size]
bindata += eedata
# pad to 256 byte boundary