35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
# Copyright (c) Kuba Szczodrzyński 2022-06-12.
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from SCons.Script import DefaultEnvironment
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env = DefaultEnvironment()
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def env_add_flash_layout(env, board):
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flash_layout: dict = board.get("flash")
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if flash_layout:
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defines = {}
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flash_size = 0
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fal_items = ""
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# add "root" partition
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fal_items += "FAL_PART_TABLE_ITEM(root, ROOT)"
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# add all partitions
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for name, layout in flash_layout.items():
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name = name.upper()
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(offset, _, length) = layout.partition("+")
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defines[f"FLASH_{name}_OFFSET"] = offset
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defines[f"FLASH_{name}_LENGTH"] = length
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fal_items += f"FAL_PART_TABLE_ITEM({name.lower()}, {name})"
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flash_size = max(flash_size, int(offset, 16) + int(length, 16))
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defines["FLASH_LENGTH"] = flash_size
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# for "root" partition
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defines["FLASH_ROOT_OFFSET"] = 0
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defines["FLASH_ROOT_LENGTH"] = flash_size
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# add partition table array
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defines["FAL_PART_TABLE"] = "{" + fal_items + "}"
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env.Append(CPPDEFINES=list(defines.items()))
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env.Replace(**defines)
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env.AddMethod(env_add_flash_layout, "AddFlashLayout")
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