mirror of
https://github.com/espressif/esp-idf.git
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84 lines
3.3 KiB
Python
Executable File
84 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python
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# esp32ulp_mapgen utility converts a symbol list provided by nm into an export script
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# for the linker and a header file.
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#
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# Copyright (c) 2016-2017 Espressif Systems (Shanghai) PTE LTD.
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# Distributed under the terms of Apache License v2.0 found in the top-level LICENSE file.
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from __future__ import print_function
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import sys
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from optparse import OptionParser
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BASE_ADDR = 0x50000000
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def gen_ld_h_from_sym(f_sym, f_ld, f_h):
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f_ld.write('/* Variable definitions for ESP32ULP linker\n')
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f_ld.write(' * This file is generated automatically by esp32ulp_mapgen.py utility.\n')
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f_ld.write(' */\n\n')
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f_h.write('// Variable definitions for ESP32ULP\n')
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f_h.write('// This file is generated automatically by esp32ulp_mapgen.py utility\n\n')
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f_h.write('#pragma once\n\n')
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for line in f_sym:
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name, _, addr_str = line.split(' ', 2)
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addr = int(addr_str, 16) + BASE_ADDR
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f_h.write('extern uint32_t ulp_{0};\n'.format(name))
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f_ld.write('PROVIDE ( ulp_{0} = 0x{1:08x} );\n'.format(name, addr))
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def gen_ld_h_from_sym_riscv(f_sym, f_ld, f_h):
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f_ld.write('/* Variable definitions for ESP32ULP linker\n')
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f_ld.write(' * This file is generated automatically by esp32ulp_mapgen.py utility.\n')
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f_ld.write(' */\n\n')
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f_h.write('// Variable definitions for ESP32ULP\n')
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f_h.write('// This file is generated automatically by esp32ulp_mapgen.py utility\n\n')
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f_h.write('#pragma once\n\n')
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for line in f_sym:
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addr_str, _, name = line.split()
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addr = int(addr_str, 16) + BASE_ADDR
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f_h.write('extern uint32_t ulp_{0};\n'.format(name))
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f_ld.write('PROVIDE ( ulp_{0} = 0x{1:08x} );\n'.format(name, addr))
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def main():
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if sys.version_info[0] < 3:
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print('WARNING: Support for Python 2 is deprecated and will be removed in future versions.', file=sys.stderr)
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elif sys.version_info[0] == 3 and sys.version_info[1] < 6:
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print('WARNING: Python 3 versions older than 3.6 are not supported.', file=sys.stderr)
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description = ('This application generates .h and .ld files for symbols defined in input file. '
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'The input symbols file can be generated using nm utility like this: '
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'esp32-ulp-nm -g -f posix <elf_file> > <symbols_file>')
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parser = OptionParser(description=description)
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parser.add_option('-s', '--symfile', dest='symfile',
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help='symbols file name', metavar='SYMFILE')
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parser.add_option('-o', '--outputfile', dest='outputfile',
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help='destination .h and .ld files name prefix', metavar='OUTFILE')
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parser.add_option('--riscv', action='store_true', help='use format for ulp riscv .sym file')
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(options, args) = parser.parse_args()
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if options.symfile is None:
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parser.print_help()
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return 1
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if options.outputfile is None:
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parser.print_help()
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return 1
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if options.riscv:
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with open(options.outputfile + '.h', 'w') as f_h, open(options.outputfile + '.ld', 'w') as f_ld, open(options.symfile) as f_sym:
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gen_ld_h_from_sym_riscv(f_sym, f_ld, f_h)
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return 0
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with open(options.outputfile + '.h', 'w') as f_h, open(options.outputfile + '.ld', 'w') as f_ld, open(options.symfile) as f_sym:
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gen_ld_h_from_sym(f_sym, f_ld, f_h)
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return 0
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if __name__ == '__main__':
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exit(main())
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