unleashed-firmware/SConstruct

#
# Main Flipper Build System entry point
#
# This file is evaluated by scons (the build system) every time fbt is invoked.
# Scons constructs all referenced environments & their targets' dependency
# trees on startup. So, to keep startup time as low as possible, we're hiding
# construction of certain targets behind command-line options.

import os
from fbt.util import path_as_posix

DefaultEnvironment(tools=[])

EnsurePythonVersion(3, 8)

# Progress(["OwO\r", "owo\r", "uwu\r", "owo\r"], interval=15)

# This environment is created only for loading options & validating file/dir existence
fbt_variables = SConscript("site_scons/commandline.scons")
cmd_environment = Environment(
    toolpath=["#/scripts/fbt_tools"],
    tools=[
        ("fbt_help", {"vars": fbt_variables}),
    ],
    variables=fbt_variables,
)

# Building basic environment - tools, utility methods, cross-compilation
# settings, gcc flags for Cortex-M4, basic builders and more
coreenv = SConscript(
    "site_scons/environ.scons",
    exports={"VAR_ENV": cmd_environment},
    toolpath=["#/scripts/fbt_tools"],
)
SConscript("site_scons/cc.scons", exports={"ENV": coreenv})

# Create a separate "dist" environment and add construction envs to it
distenv = coreenv.Clone(
    tools=[
        "fbt_dist",
        "fbt_debugopts",
        "openocd",
        "blackmagic",
        "jflash",
    ],
    ENV=os.environ,
    UPDATE_BUNDLE_DIR="dist/${DIST_DIR}/f${TARGET_HW}-update-${DIST_SUFFIX}",
)

firmware_env = distenv.AddFwProject(
    base_env=coreenv,
    fw_type="firmware",
    fw_env_key="FW_ENV",
)

# If enabled, initialize updater-related targets
if GetOption("fullenv") or any(
    filter(lambda target: "updater" in target or "flash_usb" in target, BUILD_TARGETS)
):
    updater_env = distenv.AddFwProject(
        base_env=coreenv,
        fw_type="updater",
        fw_env_key="UPD_ENV",
    )

    # Target for self-update package
    dist_basic_arguments = [
        "--bundlever",
        '"${UPDATE_VERSION_STRING}"',
    ]
    dist_radio_arguments = [
        "--radio",
        '"${ROOT_DIR.abspath}/${COPRO_STACK_BIN_DIR}/${COPRO_STACK_BIN}"',
        "--radiotype",
        "${COPRO_STACK_TYPE}",
        "${COPRO_DISCLAIMER}",
        "--obdata",
        '"${ROOT_DIR.abspath}/${COPRO_OB_DATA}"',
    ]
    dist_resource_arguments = [
        "-r",
        '"${ROOT_DIR.abspath}/assets/resources"',
    ]
    dist_splash_arguments = (
        [
            "--splash",
            distenv.subst("assets/slideshow/$UPDATE_SPLASH"),
        ]
        if distenv["UPDATE_SPLASH"]
        else []
    )

    selfupdate_dist = distenv.DistCommand(
        "updater_package",
        (distenv["DIST_DEPENDS"], firmware_env["FW_RESOURCES"]),
        DIST_EXTRA=[
            *dist_basic_arguments,
            *dist_radio_arguments,
            *dist_resource_arguments,
            *dist_splash_arguments,
        ],
    )

    selfupdate_min_dist = distenv.DistCommand(
        "updater_minpackage",
        distenv["DIST_DEPENDS"],
        DIST_EXTRA=dist_basic_arguments,
    )

    # Updater debug
    distenv.PhonyTarget(
        "updater_debug",
        "${GDBPYCOM}",
        source=updater_env["FW_ELF"],
        GDBREMOTE="${OPENOCD_GDB_PIPE}",
    )

    distenv.PhonyTarget(
        "updater_blackmagic",
        "${GDBPYCOM}",
        source=updater_env["FW_ELF"],
        GDBOPTS=distenv.subst("$GDBOPTS_BLACKMAGIC"),
        GDBREMOTE="${BLACKMAGIC_ADDR}",
    )

    # Installation over USB & CLI
    usb_update_package = distenv.AddUsbFlashTarget(
        "#build/usbinstall.flag", (firmware_env["FW_RESOURCES"], selfupdate_dist)
    )
    distenv.Alias("flash_usb_full", usb_update_package)

    usb_minupdate_package = distenv.AddUsbFlashTarget(
        "#build/minusbinstall.flag", (selfupdate_min_dist,)
    )
    distenv.Alias("flash_usb", usb_minupdate_package)


# Target for copying & renaming binaries to dist folder
basic_dist = distenv.DistCommand("fw_dist", distenv["DIST_DEPENDS"])
distenv.Default(basic_dist)

dist_dir = distenv.GetProjetDirName()
fap_dist = [
    distenv.Install(
        distenv.Dir(f"#/dist/{dist_dir}/apps/debug_elf"),
        list(
            app_artifact.debug
            for app_artifact in firmware_env["FW_EXTAPPS"].applications.values()
        ),
    ),
    distenv.Install(
        f"#/dist/{dist_dir}/apps",
        "#/assets/resources/apps",
    ),
]
Depends(
    fap_dist,
    list(
        app_artifact.validator
        for app_artifact in firmware_env["FW_EXTAPPS"].applications.values()
    ),
)
Alias("fap_dist", fap_dist)
# distenv.Default(fap_dist)

distenv.Depends(firmware_env["FW_RESOURCES"], firmware_env["FW_EXTAPPS"].resources_dist)


# Target for bundling core2 package for qFlipper
copro_dist = distenv.CoproBuilder(
    "#/build/core2_firmware.tgz",
    [],
)
distenv.AlwaysBuild(copro_dist)
distenv.Alias("copro_dist", copro_dist)

firmware_flash = distenv.AddOpenOCDFlashTarget(firmware_env)
distenv.Alias("flash", firmware_flash)

firmware_jflash = distenv.AddJFlashTarget(firmware_env)
distenv.Alias("jflash", firmware_jflash)

firmware_bm_flash = distenv.PhonyTarget(
    "flash_blackmagic",
    "$GDB $GDBOPTS $SOURCES $GDBFLASH",
    source=firmware_env["FW_ELF"],
    GDBOPTS="${GDBOPTS_BASE} ${GDBOPTS_BLACKMAGIC}",
    GDBREMOTE="${BLACKMAGIC_ADDR}",
    GDBFLASH=[
        "-ex",
        "load",
        "-ex",
        "quit",
    ],
)

gdb_backtrace_all_threads = distenv.PhonyTarget(
    "gdb_trace_all",
    "$GDB $GDBOPTS $SOURCES $GDBFLASH",
    source=firmware_env["FW_ELF"],
    GDBOPTS="${GDBOPTS_BASE}",
    GDBREMOTE="${OPENOCD_GDB_PIPE}",
    GDBFLASH=[
        "-ex",
        "thread apply all bt",
        "-ex",
        "quit",
    ],
)

# Debugging firmware
firmware_debug = distenv.PhonyTarget(
    "debug",
    "${GDBPYCOM}",
    source=firmware_env["FW_ELF"],
    GDBOPTS="${GDBOPTS_BASE}",
    GDBREMOTE="${OPENOCD_GDB_PIPE}",
    FBT_FAP_DEBUG_ELF_ROOT=path_as_posix(firmware_env.subst("$FBT_FAP_DEBUG_ELF_ROOT")),
)
distenv.Depends(firmware_debug, firmware_flash)

distenv.PhonyTarget(
    "blackmagic",
    "${GDBPYCOM}",
    source=firmware_env["FW_ELF"],
    GDBOPTS="${GDBOPTS_BASE} ${GDBOPTS_BLACKMAGIC}",
    GDBREMOTE="${BLACKMAGIC_ADDR}",
    FBT_FAP_DEBUG_ELF_ROOT=path_as_posix(firmware_env.subst("$FBT_FAP_DEBUG_ELF_ROOT")),
)

# Debug alien elf
distenv.PhonyTarget(
    "debug_other",
    "${GDBPYCOM}",
    GDBOPTS="${GDBOPTS_BASE}",
    GDBREMOTE="${OPENOCD_GDB_PIPE}",
    GDBPYOPTS='-ex "source ${FBT_DEBUG_DIR}/PyCortexMDebug/PyCortexMDebug.py" ',
)

distenv.PhonyTarget(
    "debug_other_blackmagic",
    "${GDBPYCOM}",
    GDBOPTS="${GDBOPTS_BASE}  ${GDBOPTS_BLACKMAGIC}",
    GDBREMOTE="$${BLACKMAGIC_ADDR}",
)


# Just start OpenOCD
distenv.PhonyTarget(
    "openocd",
    "${OPENOCDCOM}",
)

# Linter
distenv.PhonyTarget(
    "lint",
    "${PYTHON3} ${FBT_SCRIPT_DIR}/lint.py check ${LINT_SOURCES}",
    LINT_SOURCES=[n.srcnode() for n in firmware_env["LINT_SOURCES"]],
)

distenv.PhonyTarget(
    "format",
    "${PYTHON3} ${FBT_SCRIPT_DIR}/lint.py format ${LINT_SOURCES}",
    LINT_SOURCES=[n.srcnode() for n in firmware_env["LINT_SOURCES"]],
)

# PY_LINT_SOURCES contains recursively-built modules' SConscript files + application manifests
# Here we add additional Python files residing in repo root
firmware_env.Append(
    PY_LINT_SOURCES=[
        # Py code folders
        "site_scons",
        "scripts",
        # Extra files
        "SConstruct",
        "firmware.scons",
        "fbt_options.py",
    ]
)


black_commandline = "@${PYTHON3} -m black ${PY_BLACK_ARGS} ${PY_LINT_SOURCES}"
black_base_args = ["--include", '"\\.scons|\\.py|SConscript|SConstruct"']

distenv.PhonyTarget(
    "lint_py",
    black_commandline,
    PY_BLACK_ARGS=[
        "--check",
        "--diff",
        *black_base_args,
    ],
    PY_LINT_SOURCES=firmware_env["PY_LINT_SOURCES"],
)

distenv.PhonyTarget(
    "format_py",
    black_commandline,
    PY_BLACK_ARGS=black_base_args,
    PY_LINT_SOURCES=firmware_env["PY_LINT_SOURCES"],
)

# Start Flipper CLI via PySerial's miniterm
distenv.PhonyTarget("cli", "${PYTHON3} ${FBT_SCRIPT_DIR}/serial_cli.py")


# Find blackmagic probe
distenv.PhonyTarget(
    "get_blackmagic",
    "@echo $( ${BLACKMAGIC_ADDR} $)",
)


# Find STLink probe ids
distenv.PhonyTarget(
    "get_stlink",
    distenv.Action(
        lambda **kw: distenv.GetDevices(),
        None,
    ),
)

# Prepare vscode environment
vscode_dist = distenv.Install("#.vscode", distenv.Glob("#.vscode/example/*"))
distenv.Precious(vscode_dist)
distenv.NoClean(vscode_dist)
distenv.Alias("vscode_dist", vscode_dist)