126 lines
3.4 KiB
Python
126 lines
3.4 KiB
Python
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#!/usr/bin/env python
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# This python program generates parameters for the linker script generator feature.
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# This file is part of the libopencm3 project.
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#
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# 2017 George-Cristian Jiglau <noonien>
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this library. If not, see <http://www.gnu.org/licenses/>.
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from __future__ import print_function
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import fnmatch
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import sys
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import re
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import os
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if len(sys.argv) != 4:
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print("usage: %s <device-data-file> <device> <mode>" % sys.argv[0], file=sys.stderr)
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sys.exit(1)
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data_file_path = sys.argv[1]
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find = sys.argv[2].lower()
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mode = sys.argv[3].upper()
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device = {
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'info': {},
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'defs': [],
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'family': [],
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}
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# open device data file
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with open(data_file_path, 'r') as data_file:
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# iterate lines
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for line in data_file:
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# strip whitespace from the beginning and end of line
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line = line.strip()
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# skip empty lines and comments
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if line == '' or line.startswith('#'):
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continue
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# split line into it's parts: <pattern> <parent> <data..>
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parts = line.split()
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pattern, parent, data = parts[0], parts[1], parts[2:]
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# skip line if pattern did not match first element
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if not fnmatch.fnmatch(find, pattern):
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continue
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# extract data
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for d in data:
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# split into K=V
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try:
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(k, v) = d.split('=')
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except:
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continue
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# skip invalid datas
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if not re.match('^[A-Z0-9_]+$', k):
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continue
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# add FPU and CPU to info, not defs
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if k in ('FPU', 'CPU'):
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device['info'][k.lower()] = v
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continue
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device['defs'].append((k, v))
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# if parent is +, there's more data for this pattern
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if parent == '+':
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continue
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# device family
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device['family'].append(find)
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# break if this was the last line in this chain
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if parent == 'END':
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break
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# look for the parent
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find = parent
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# reverse device list
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device['family'] = device['family'][::-1]
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# device was not found
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if len(device['family']) == 0:
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sys.exit(1)
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# for CPPFLAGS and DEFS, define device family
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if mode in ('CPPFLAGS', 'DEFS'):
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sys.stdout.write(' '.join('-D%s' % d.upper() for d in device['family']))
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# defines
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if mode == 'DEFS':
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if len(device['defs']) > 0:
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defs = ' '.join('-D_%s=%s' % d for d in device['defs'])
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sys.stdout.write(' ' + defs)
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# device family
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elif mode == 'FAMILY':
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if len(device['family']) > 0:
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sys.stdout.write(device['family'][0])
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# device subfamily
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elif mode == 'SUBFAMILY':
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if len(device['family']) > 1:
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sys.stdout.write(device['family'][1])
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# device info
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else:
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info = mode.lower()
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if info in device['info']:
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sys.stdout.write(device['info'][info])
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sys.stdout.flush()
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