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Clearer generate_break_virtual script

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modified:   generate_break_virtual.py
This commit is contained in:
Bahadir Balban
2009-09-16 18:15:42 +03:00
parent 1925cd5704
commit 97b15e6e37
1 changed files with 17 additions and 11 deletions
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28
scripts/loader/generate_break_virtual.py
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@@ -45,20 +45,26 @@ assembler_symbol_definition = \
def generate_ksym_to_loader(target_path, source_path):
symbols = ['break_virtual']
with open(target_path, 'w') as asmFile:
asmFile.write(ksym_header % (target_path, source_path, __name__))
with open(target_path, 'w') as asm_file:
asm_file.write(ksym_header % (target_path, source_path, sys.argv[0]))
for symbol in symbols:
process = subprocess.Popen('arm-none-eabi-objdump -d ' + source_path + ' | grep "<' + symbol + '>"', shell=True, stdout=subprocess.PIPE)
process = subprocess.Popen('arm-none-eabi-objdump -d ' + \
source_path + ' | grep "<' + \
symbol + '>"', shell=True, \
stdout=subprocess.PIPE)
assert process.wait() == 0
address, name = process.stdout.read().split()
assert '<' + symbol + '>:' == name
asmFile.write( '''
.section .text
.align 4
.global %s
.type %s, function
.equ %s, %s
''' % (symbol, symbol, symbol, address_remove_literal(address)))
asm_file.write(assembler_symbol_definition % \
(symbol, symbol, symbol, \
address_remove_literal(address)))
if __name__ == "__main__":
generate_ksym_to_loader(join(PROJROOT, 'loader/ksyms.S'), join(BUILDDIR, 'kernel.elf'))
if len(sys.argv) == 1:
generate_ksym_to_loader(join(PROJROOT, 'loader/ksyms.S'), \
join(BUILDDIR, 'kernel.elf'))
elif len(sys.argv) == 3:
generate_ksym_to_loader(sys.argv[1], sys.argv[1])
else:
print "Usage: %s <asm filename> <kernel image filename>" % sys.argv[0]