66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
# Copyright (C) 2019-2022 Intel Corporation.
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#
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# SPDX-License-Identifier: BSD-3-Clause
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#
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import collections
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import board_cfg_lib
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PCI_HEADER = r"""
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#ifndef PCI_DEVICES_H_
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#define PCI_DEVICES_H_"""
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PCI_END_HEADER = r"""
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#endif /* PCI_DEVICES_H_ */"""
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def write_pbdf(i_cnt, bdf, bar_attr, config):
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"""
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Parser and generate pbdf
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:param i_cnt: the number of pci devices have the same PCI sub class name
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:param bdf: it is a string what contains BDF
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:param bar_attr: it is a class, contains PIC bar attribute
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:param config: it is a file pointer of pci information for writing to
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"""
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tmp_sub_name = board_cfg_lib.get_sub_pci_name(i_cnt, bar_attr)
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board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic[bdf].name_w_i_cnt = tmp_sub_name
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bus = int(bdf.split(':')[0], 16)
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dev = int(bdf.split(':')[1].split('.')[0], 16)
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fun = int(bdf.split('.')[1], 16)
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print("#define %-32s" % tmp_sub_name, end="", file=config)
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print(" .pbdf.bits = {{.b = 0x{:02X}U, .d = 0x{:02X}U, .f = 0x{:02X}U}}".format(
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bus, dev, fun), file=config)
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def generate_file(config):
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"""
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Get PCI device and generate pci_devices.h
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:param config: it is a file pointer of pci information for writing to
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"""
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# write the license into pci
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print("{0}".format(board_cfg_lib.HEADER_LICENSE), file=config)
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# add bios and base board info
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board_cfg_lib.handle_bios_info(config)
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# write the header into pci
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print("{0}".format(PCI_HEADER), file=config)
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board_cfg_lib.parser_pci()
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compared_bdf = []
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for cnt_sub_name in board_cfg_lib.SUB_NAME_COUNT.keys():
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i_cnt = 0
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for bdf, bar_attr in board_cfg_lib.PCI_DEV_BAR_DESC.pci_dev_dic.items():
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if cnt_sub_name == bar_attr.name and bdf not in compared_bdf:
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compared_bdf.append(bdf)
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else:
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continue
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print("",file=config)
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write_pbdf(i_cnt, bdf, bar_attr, config)
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i_cnt += 1
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# write the end to the pci devices
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print("{0}".format(PCI_END_HEADER), file=config)
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