108 lines
3.6 KiB
Python
108 lines
3.6 KiB
Python
import json
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import os
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import sys
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from functools import reduce
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from SCons.Errors import StopError
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def _load_sdk_data(sdk_root):
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split_vars = {
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"cc_args",
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"cpp_args",
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"linker_args",
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"linker_libs",
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}
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subst_vars = split_vars | {
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"sdk_symbols",
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}
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sdk_data = {}
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with open(os.path.join(sdk_root, "sdk.opts")) as f:
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sdk_json_data = json.load(f)
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replacements = {
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sdk_json_data["app_ep_subst"]: "${APP_ENTRY}",
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sdk_json_data["sdk_path_subst"]: sdk_root.replace("\\", "/"),
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sdk_json_data["map_file_subst"]: "${TARGET}",
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}
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def do_value_substs(src_value):
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if isinstance(src_value, str):
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return reduce(
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lambda acc, kv: acc.replace(*kv), replacements.items(), src_value
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)
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elif isinstance(src_value, list):
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return [do_value_substs(v) for v in src_value]
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else:
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return src_value
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for key, value in sdk_json_data.items():
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if key in split_vars:
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value = value.split()
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if key in subst_vars:
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value = do_value_substs(value)
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sdk_data[key] = value
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return sdk_data
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def _load_state_file(state_dir_node, filename: str) -> dict:
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state_path = os.path.join(state_dir_node.abspath, filename)
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if not os.path.exists(state_path):
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raise StopError(f"State file {state_path} not found")
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with open(state_path, "r") as f:
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return json.load(f)
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def generate(env, **kw):
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sdk_current_sdk_dir_node = env["UFBT_CURRENT_SDK_DIR"]
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sdk_components_filename = kw.get("SDK_COMPONENTS", "components.json")
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ufbt_state_filename = kw.get("UFBT_STATE", "ufbt_state.json")
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sdk_state = _load_state_file(sdk_current_sdk_dir_node, sdk_components_filename)
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ufbt_state = _load_state_file(sdk_current_sdk_dir_node, ufbt_state_filename)
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if not (sdk_components := sdk_state.get("components", {})):
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raise StopError("SDK state file doesn't contain components data")
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sdk_data = _load_sdk_data(
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sdk_current_sdk_dir_node.Dir(sdk_components["sdk_headers.dir"]).abspath
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)
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if not sdk_state["meta"]["hw_target"].endswith(sdk_data["hardware"]):
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raise StopError("SDK state file doesn't match hardware target")
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scripts_dir = sdk_current_sdk_dir_node.Dir(sdk_components["scripts.dir"])
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env.SetDefault(
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# Paths
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SDK_DEFINITION=env.File(sdk_data["sdk_symbols"]),
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FBT_SCRIPT_DIR=scripts_dir,
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FBT_DEBUG_DIR=scripts_dir.Dir("debug"),
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LIBPATH=sdk_current_sdk_dir_node.Dir(sdk_components["lib.dir"]),
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FW_ELF=sdk_current_sdk_dir_node.File(sdk_components["firmware.elf"]),
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FW_BIN=sdk_current_sdk_dir_node.File(sdk_components["full.bin"]),
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UPDATE_BUNDLE_DIR=sdk_current_sdk_dir_node.Dir(sdk_components["update.dir"]),
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SVD_FILE="${FBT_DEBUG_DIR}/STM32WB55_CM4.svd",
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# Build variables
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ROOT_DIR=env.Dir("#"),
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FIRMWARE_BUILD_CFG="firmware",
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TARGET_HW=int(sdk_data["hardware"]),
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CFLAGS_APP=sdk_data["cc_args"],
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CXXFLAGS_APP=sdk_data["cpp_args"],
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LINKFLAGS_APP=sdk_data["linker_args"],
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LIBS=sdk_data["linker_libs"],
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# ufbt state
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# UFBT_STATE_DIR=ufbt_state_dir_node,
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# UFBT_CURRENT_SDK_DIR=sdk_current_sdk_dir_node,
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UFBT_STATE=ufbt_state,
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UFBT_BOOTSTRAP_SCRIPT="${UFBT_SCRIPT_DIR}/bootstrap.py",
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UFBT_SCRIPT_ROOT=scripts_dir.Dir("ufbt"),
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)
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sys.path.insert(0, env["FBT_SCRIPT_DIR"].abspath)
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def exists(env):
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return True
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