fa26ef02d2
Export a new KCONFIG_DOC_MODE environment variable when building the doc and invoking Kconfig, so that the functions that expect a build folder can accordingly return a hardcoded value. Signed-off-by: Carles Cufi <carles.cufi@nordicsemi.no>
84 lines
2.3 KiB
Python
84 lines
2.3 KiB
Python
#
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# Copyright (c) 2018-2019 Linaro
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# Copyright (c) 2019 Nordic Semiconductor ASA
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#
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# SPDX-License-Identifier: Apache-2.0
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import os
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# Types we support
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# 'string', 'int', 'hex', 'bool'
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doc_mode = os.environ.get('KCONFIG_DOC_MODE') == "1"
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bin_dir = os.environ.get('PROJECT_BINARY_DIR')
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conf_file = os.path.join(bin_dir, 'include', 'generated',
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'generated_dts_board.conf') if bin_dir else None
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dt_defines = {}
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if (not doc_mode) and conf_file and os.path.isfile(conf_file):
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with open(conf_file, 'r', encoding='utf-8') as fd:
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for line in fd:
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if '=' in line:
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define, val = line.split('=')
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dt_defines[define] = val.strip()
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def _dt_units_to_scale(unit):
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if not unit:
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return 0
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if unit in {'k', 'K'}:
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return 10
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if unit in {'m', 'M'}:
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return 20
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if unit in {'g', 'G'}:
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return 30
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def dt_int_val(kconf, _, name, unit=None):
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"""
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This function looks up 'name' in the DTS generated "conf" style database
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and if its found it will return the value as an decimal integer. The
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function will divide the value based on 'unit':
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None No division
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'k' or 'K' divide by 1024 (1 << 10)
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'm' or 'M' divide by 1,048,576 (1 << 20)
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'g' or 'G' divide by 1,073,741,824 (1 << 30)
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"""
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if doc_mode or name not in dt_defines:
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return "0"
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d = dt_defines[name]
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if d.startswith(('0x', '0X')):
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d = int(d, 16)
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else:
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d = int(d)
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d >>= _dt_units_to_scale(unit)
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return str(d)
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def dt_hex_val(kconf, _, name, unit=None):
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"""
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This function looks up 'name' in the DTS generated "conf" style database
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and if its found it will return the value as an hex integer. The
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function will divide the value based on 'unit':
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None No division
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'k' or 'K' divide by 1024 (1 << 10)
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'm' or 'M' divide by 1,048,576 (1 << 20)
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'g' or 'G' divide by 1,073,741,824 (1 << 30)
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"""
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if doc_mode or name not in dt_defines:
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return "0x0"
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d = dt_defines[name]
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if d.startswith(('0x', '0X')):
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d = int(d, 16)
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else:
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d = int(d)
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d >>= _dt_units_to_scale(unit)
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return hex(d)
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functions = {
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"dt_int_val": (dt_int_val, 1, 2),
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"dt_hex_val": (dt_hex_val, 1, 2),
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}
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