Add extracted tools: CitrineOS, OpenOCPP, ShapeShifter

- CitrineOS core extracted (CSMS OCPP 2.0.1)
- OpenOCPP extracted (firmware OCPP 1.6J/2.0.1)
- ShapeShifter library installed (pip install -e)
- ShapeShifter specification extracted
- EVerest extracted

TODO updated with progress

tools/EVerest-main/third-party/bazel/toolchains/BUILD.bazel

@@ -0,0 +1,55 @@
+package(default_visibility = ["//visibility:public"])
+
+constraint_setting(name = "libc")
+
+constraint_value(
+    name = "gnu",
+    constraint_setting = ":libc",
+)
+
+constraint_value(
+    name = "musl",
+    constraint_setting = ":libc",
+)
+
+constraint_value(
+    name = "none_libc",
+    constraint_setting = ":libc",
+)
+
+platform(
+  name = "aarch64-linux-gnu",
+  constraint_values = [
+    "@platforms//cpu:aarch64",
+    "@platforms//os:linux",
+    ":gnu",
+  ],
+)
+
+platform(
+  name = "aarch64-linux-musl",
+  constraint_values = [
+    "@platforms//cpu:aarch64",
+    "@platforms//os:linux",
+    ":musl",
+  ],
+)
+
+platform(
+  name = "armv7-linux-gnueabihf",
+  constraint_values = [
+    "@platforms//cpu:armv7",
+    "@platforms//os:linux",
+    ":gnu",
+  ],
+)
+
+platform(
+  name = "armv7-linux-musleabihf",
+  constraint_values = [
+    "@platforms//cpu:armv7",
+    "@platforms//os:linux",
+    ":musl",
+  ],
+)
+

tools/EVerest-main/third-party/bazel/toolchains/defs.bzl

@@ -0,0 +1,16 @@
+# Use as target_compatible_with for targets that require a Python toolchain,
+# which is not available for cross-compilation platforms.
+CROSS_PYTHON_INCOMPATIBLE = select({
+    "@platforms//cpu:armv7": ["@platforms//:incompatible"],
+    "@platforms//cpu:aarch64": ["@platforms//:incompatible"],
+    "//conditions:default": [],
+})
+
+# Use as target_compatible_with for test targets that cannot be
+# cross-compiled (e.g. tests linking host-only libraries like Catch2/GTest).
+CROSS_TEST_INCOMPATIBLE = select({
+    "@platforms//cpu:armv7": ["@platforms//:incompatible"],
+    "@platforms//cpu:aarch64": ["@platforms//:incompatible"],
+    "//conditions:default": [],
+})
+

tools/EVerest-main/third-party/bazel/toolchains/extensions.bzl

@@ -0,0 +1,392 @@
+load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
+load("@bazel_tools//tools/build_defs/repo:local.bzl", "new_local_repository")
+
+# =============================================================================
+# C++ Cross-Compilation Toolchains Configuration
+# =============================================================================
+
+# Resolve canonical labels so constraint references work when everest-core
+# is consumed as a dependency module (where @// would point at the root
+# module, not everest-core).
+_GNU_CONSTRAINT = str(Label("//third-party/bazel/toolchains:gnu"))
+_MUSL_CONSTRAINT = str(Label("//third-party/bazel/toolchains:musl"))
+
+# Derive the canonical repo name prefix so that "external/<prefix>+toolchains+<name>"
+# resolves correctly whether everest-core is the root module or a dependency.
+# Label resolves to e.g. "@@everest-core+//..." (dep) or "@@//..." (root).
+_MODULE_REPO_PREFIX = _GNU_CONSTRAINT.split("//")[0][2:]  # strip "@@"
+_EXTERNAL_PREFIX = "external/" + _MODULE_REPO_PREFIX + "+toolchains+"
+
+def _create_cpp_toolchains():
+    """Experiment to create a glibc cross-compilation toolchain."""
+    repo_names = []
+
+    # This toolchain rougly corresponds to kirkstone. Use it as an example
+    # to cross compile for phyverso.
+    http_archive(
+        name = "cc_toolchain_aarch64-linux-gnu-x86_64-linux",
+        urls = ["https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/tarballs/aarch64--glibc--stable-2022.08-1.tar.bz2"],
+        sha256 = "844df3c99508030ee9cb1152cb182500bb9816ff01968f2e18591d51d766c9e7",
+        strip_prefix = "aarch64--glibc--stable-2022.08-1",
+        build_file_content = """
+load("@@rules_cc+//cc:defs.bzl", "cc_toolchain")
+load("@bazel_tools//tools/cpp:unix_cc_toolchain_config.bzl", "cc_toolchain_config")
+
+BIN_PREFIX = "bin/aarch64-buildroot-linux-gnu-"
+
+REPO = "{repo_path}"
+SYSROOT = REPO + "/aarch64-buildroot-linux-gnu/sysroot"
+
+cc_toolchain_config(
+    name = "aarch64-linux-glibc_toolchain_config",
+    abi_libc_version = "2.35",
+    abi_version = "unknown",
+    compile_flags = [
+        "-nostdinc++",
+        "-fPIC",
+        "-mno-outline-atomics",
+        "-isystem", REPO + "/aarch64-buildroot-linux-gnu/include/c++/11.3.0/",
+        "-isystem", REPO + "/aarch64-buildroot-linux-gnu/include/c++/11.3.0/aarch64-buildroot-linux-gnu/",
+        "-isystem", REPO + "/aarch64-buildroot-linux-gnu/sysroot/usr/include/",
+        "-isystem", REPO + "/lib/gcc/aarch64-buildroot-linux-gnu/11.3.0/include/",
+        "-isystem", REPO + "/lib/gcc/aarch64-buildroot-linux-gnu/11.3.0/include-fixed/",
+    ],
+    compiler = "gcc",
+    cpu = "aarch64",
+    host_system_name = "local",
+    target_libc = "unknown",
+    target_system_name = "aarch64-linux-glibc",
+    toolchain_identifier = "aarch64-linux-glibc",
+    tool_paths = {
+        "ar": BIN_PREFIX + "ar",
+        "cpp": BIN_PREFIX + "g++.br_real",
+        "gcc": BIN_PREFIX + "gcc-11.3.0.br_real",
+        "dwp": BIN_PREFIX + "dwp",
+        "gcov": BIN_PREFIX + "gcov",
+        "ld": BIN_PREFIX + "ld",
+        "nm": BIN_PREFIX + "nm",
+        "objcopy": BIN_PREFIX + "objcopy",
+        "objdump": BIN_PREFIX + "objdump",
+        "strip": BIN_PREFIX + "strip",
+        "llvm-cov": BIN_PREFIX + "llvm-cov",
+    },
+    link_flags = ["-Wl,--start-group"],
+    link_libs = ["-lstdc++", "-lm", "-ldl"],
+)
+
+filegroup(
+    name = "all",
+    srcs = glob(["**/**"]),
+)
+
+cc_toolchain(
+    name = "aarch64-linux-glibc_toolchain",
+    # We tell the toolchain, that for every command, all the files are needed
+    # This is not ideal, but simple.
+    all_files = ":all",
+    ar_files = ":all",
+    as_files = ":all",
+    compiler_files = ":all",
+    dwp_files = ":all",
+    linker_files = ":all",
+    objcopy_files = ":all",
+    strip_files = ":all",
+    toolchain_config = ":aarch64-linux-glibc_toolchain_config",
+)
+
+toolchain(
+    name = "aarch64-linux-glibc_toolchain_toolchain",
+    exec_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:x86_64",
+    ],
+    target_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:arm64",
+        "{gnu_constraint}",
+    ],
+    toolchain = ":aarch64-linux-glibc_toolchain",
+    toolchain_type = "@rules_cc//cc:toolchain_type",
+)
+""".replace("{gnu_constraint}", _GNU_CONSTRAINT).replace("{repo_path}", _EXTERNAL_PREFIX + "cc_toolchain_aarch64-linux-gnu-x86_64-linux"),
+    )
+
+    repo_names.append("cc_toolchain_aarch64-linux-gnu-x86_64-linux")
+
+    http_archive(
+        name = "cc_toolchain_aarch64-linux-musl-x86_64-linux",
+        urls = ["https://toolchains.bootlin.com/downloads/releases/toolchains/aarch64/tarballs/aarch64--musl--stable-2023.08-1.tar.bz2"],
+        sha256 = "25767ae9ca70a76e9a71a13c6bc145532066a36d118d8f0ef14bd474784095ce",
+        strip_prefix = "aarch64--musl--stable-2023.08-1",
+        build_file_content = """
+load("@@rules_cc+//cc:defs.bzl", "cc_toolchain")
+load("@bazel_tools//tools/cpp:unix_cc_toolchain_config.bzl", "cc_toolchain_config")
+
+BIN_PREFIX = "bin/aarch64-buildroot-linux-musl-"
+
+REPO = "{repo_path}"
+SYSROOT = REPO + "/aarch64-buildroot-linux-musl/sysroot"
+
+cc_toolchain_config(
+    name = "aarch64-linux-musl_toolchain_config",
+    abi_libc_version = "1.2.4",
+    abi_version = "unknown",
+    compile_flags = [
+        "-nostdinc++",
+        "-flto", "-ffat-lto-objects",
+        "-isystem", REPO + "/aarch64-buildroot-linux-musl/include/c++/12.3.0/",
+        "-isystem", REPO + "/aarch64-buildroot-linux-musl/include/c++/12.3.0/aarch64-buildroot-linux-musl/",
+        "-isystem", REPO + "/aarch64-buildroot-linux-musl/sysroot/usr/include/",
+        "-isystem", REPO + "/lib/gcc/aarch64-buildroot-linux-musl/12.3.0/include/",
+        "-isystem", REPO + "/lib/gcc/aarch64-buildroot-linux-musl/12.3.0/include-fixed/",
+    ],
+    compiler = "gcc",
+    cpu = "aarch64",
+    host_system_name = "local",
+    target_libc = "unknown",
+    target_system_name = "aarch64-linux-musl",
+    toolchain_identifier = "aarch64-linux-musl",
+    tool_paths = {
+        "ar": BIN_PREFIX + "ar",
+        "cpp": BIN_PREFIX + "g++.br_real",
+        "gcc": BIN_PREFIX + "gcc-12.3.0.br_real",
+        "dwp": BIN_PREFIX + "dwp",
+        "gcov": BIN_PREFIX + "gcov",
+        "ld": BIN_PREFIX + "ld",
+        "nm": BIN_PREFIX + "nm",
+        "objcopy": BIN_PREFIX + "objcopy",
+        "objdump": BIN_PREFIX + "objdump",
+        "strip": BIN_PREFIX + "strip",
+        "llvm-cov": BIN_PREFIX + "llvm-cov",
+    },
+    link_flags = ["-Wl,--start-group", "-flto", "-static"],
+    link_libs = ["-Wl,-Bstatic", "-lstdc++", "-lc", "-lgcc", "-lgcc_eh"],
+)
+
+filegroup(
+    name = "all",
+    srcs = glob(["**/**"]),
+)
+
+cc_toolchain(
+    name = "aarch64-linux-musl_toolchain",
+    # We tell the toolchain, that for every command, all the files are needed
+    # This is not ideal, but simple.
+    all_files = ":all",
+    ar_files = ":all",
+    as_files = ":all",
+    compiler_files = ":all",
+    dwp_files = ":all",
+    linker_files = ":all",
+    objcopy_files = ":all",
+    strip_files = ":all",
+    toolchain_config = ":aarch64-linux-musl_toolchain_config",
+)
+
+toolchain(
+    name = "aarch64-linux-musl_toolchain_toolchain",
+    exec_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:x86_64",
+    ],
+    target_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:arm64",
+        "{musl_constraint}",
+    ],
+    toolchain = ":aarch64-linux-musl_toolchain",
+    toolchain_type = "@rules_cc//cc:toolchain_type",
+)
+""".replace("{musl_constraint}", _MUSL_CONSTRAINT).replace("{repo_path}", _EXTERNAL_PREFIX + "cc_toolchain_aarch64-linux-musl-x86_64-linux"),
+    )
+
+    repo_names.append("cc_toolchain_aarch64-linux-musl-x86_64-linux")
+
+    http_archive(
+        name = "cc_toolchain_armv7-linux-gnu-x86_64-linux",
+        urls = ["https://toolchains.bootlin.com/downloads/releases/toolchains/armv7-eabihf/tarballs/armv7-eabihf--glibc--stable-2022.08-1.tar.bz2"],
+        sha256 = "64329b3e72350ceda65997368395a945ef83769013d82414dc5f2021c33f2d44",
+        strip_prefix = "armv7-eabihf--glibc--stable-2022.08-1",
+        build_file_content = """
+load("@@rules_cc+//cc:defs.bzl", "cc_toolchain")
+load("@bazel_tools//tools/cpp:unix_cc_toolchain_config.bzl", "cc_toolchain_config")
+
+BIN_PREFIX = "bin/arm-buildroot-linux-gnueabihf-"
+
+REPO = "{repo_path}"
+
+cc_toolchain_config(
+    name = "armv7-linux-gnu_toolchain_config",
+    abi_libc_version = "2.35",
+    abi_version = "unknown",
+    compile_flags = [
+        "-nostdinc++",
+        "-fPIC",
+        "-mthumb",
+        "-mfpu=neon",
+        "-mfloat-abi=hard",
+        "-mcpu=cortex-a7",
+        "-isystem", REPO + "/arm-buildroot-linux-gnueabihf/include/c++/11.3.0/",
+        "-isystem", REPO + "/arm-buildroot-linux-gnueabihf/include/c++/11.3.0/arm-buildroot-linux-gnueabihf/",
+        "-isystem", REPO + "/arm-buildroot-linux-gnueabihf/sysroot/usr/include/",
+        "-isystem", REPO + "/lib/gcc/arm-buildroot-linux-gnueabihf/11.3.0/include/",
+        "-isystem", REPO + "/lib/gcc/arm-buildroot-linux-gnueabihf/11.3.0/include-fixed/",
+    ],
+    compiler = "gcc",
+    cpu = "armv7",
+    host_system_name = "local",
+    target_libc = "unknown",
+    target_system_name = "armv7-linux-gnu",
+    toolchain_identifier = "armv7-linux-gnu",
+    tool_paths = {
+        "ar": BIN_PREFIX + "ar",
+        "cpp": BIN_PREFIX + "g++.br_real",
+        "gcc": BIN_PREFIX + "gcc-11.3.0.br_real",
+        "dwp": BIN_PREFIX + "dwp",
+        "gcov": BIN_PREFIX + "gcov",
+        "ld": BIN_PREFIX + "ld",
+        "nm": BIN_PREFIX + "nm",
+        "objcopy": BIN_PREFIX + "objcopy",
+        "objdump": BIN_PREFIX + "objdump",
+        "strip": BIN_PREFIX + "strip",
+        "llvm-cov": BIN_PREFIX + "llvm-cov",
+    },
+    link_flags = ["-Wl,--start-group"],
+    link_libs = ["-lstdc++", "-lm", "-ldl"],
+)
+
+filegroup(
+    name = "all",
+    srcs = glob(["**/**"]),
+)
+
+cc_toolchain(
+    name = "armv7-linux-gnu_toolchain",
+    all_files = ":all",
+    ar_files = ":all",
+    as_files = ":all",
+    compiler_files = ":all",
+    dwp_files = ":all",
+    linker_files = ":all",
+    objcopy_files = ":all",
+    strip_files = ":all",
+    toolchain_config = ":armv7-linux-gnu_toolchain_config",
+)
+
+toolchain(
+    name = "armv7-linux-gnu_toolchain_toolchain",
+    exec_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:x86_64",
+    ],
+    target_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:armv7",
+        "{gnu_constraint}",
+    ],
+    toolchain = ":armv7-linux-gnu_toolchain",
+    toolchain_type = "@rules_cc//cc:toolchain_type",
+)
+""".replace("{gnu_constraint}", _GNU_CONSTRAINT).replace("{repo_path}", _EXTERNAL_PREFIX + "cc_toolchain_armv7-linux-gnu-x86_64-linux"),
+    )
+
+    repo_names.append("cc_toolchain_armv7-linux-gnu-x86_64-linux")
+
+    http_archive(
+        name = "cc_toolchain_armv7-linux-musl-x86_64-linux",
+        urls = ["https://toolchains.bootlin.com/downloads/releases/toolchains/armv7-eabihf/tarballs/armv7-eabihf--musl--stable-2023.08-1.tar.bz2"],
+        sha256 = "4f06ed760d3b2e779f0d8aec73becd21edce9d04560d2fba53549ca8c12f51ba",
+        strip_prefix = "armv7-eabihf--musl--stable-2023.08-1",
+        build_file_content = """
+load("@@rules_cc+//cc:defs.bzl", "cc_toolchain")
+load("@bazel_tools//tools/cpp:unix_cc_toolchain_config.bzl", "cc_toolchain_config")
+
+BIN_PREFIX = "bin/arm-buildroot-linux-musleabihf-"
+
+REPO = "{repo_path}"
+
+cc_toolchain_config(
+    name = "armv7-linux-musl_toolchain_config",
+    abi_libc_version = "1.2.4",
+    abi_version = "unknown",
+    compile_flags = [
+        "-nostdinc++",
+        "-fPIC",
+        "-isystem", REPO + "/arm-buildroot-linux-musleabihf/include/c++/12.3.0/",
+        "-isystem", REPO + "/arm-buildroot-linux-musleabihf/include/c++/12.3.0/arm-buildroot-linux-musleabihf/",
+        "-isystem", REPO + "/arm-buildroot-linux-musleabihf/sysroot/usr/include/",
+        "-isystem", REPO + "/lib/gcc/arm-buildroot-linux-musleabihf/12.3.0/include/",
+        "-isystem", REPO + "/lib/gcc/arm-buildroot-linux-musleabihf/12.3.0/include-fixed/",
+    ],
+    compiler = "gcc",
+    cpu = "armv7",
+    host_system_name = "local",
+    target_libc = "unknown",
+    target_system_name = "armv7-linux-musl",
+    toolchain_identifier = "armv7-linux-musl",
+    tool_paths = {
+        "ar": BIN_PREFIX + "ar",
+        "cpp": BIN_PREFIX + "g++.br_real",
+        "gcc": BIN_PREFIX + "gcc-12.3.0.br_real",
+        "dwp": BIN_PREFIX + "dwp",
+        "gcov": BIN_PREFIX + "gcov",
+        "ld": BIN_PREFIX + "ld",
+        "nm": BIN_PREFIX + "nm",
+        "objcopy": BIN_PREFIX + "objcopy",
+        "objdump": BIN_PREFIX + "objdump",
+        "strip": BIN_PREFIX + "strip",
+        "llvm-cov": BIN_PREFIX + "llvm-cov",
+    },
+    link_flags = ["-Wl,--start-group", "-flto", "-static"],
+    link_libs = ["-Wl,-Bstatic", "-lstdc++", "-lc", "-lgcc", "-lgcc_eh"],
+)
+
+filegroup(
+    name = "all",
+    srcs = glob(["**/**"]),
+)
+
+cc_toolchain(
+    name = "armv7-linux-musl_toolchain",
+    all_files = ":all",
+    ar_files = ":all",
+    as_files = ":all",
+    compiler_files = ":all",
+    dwp_files = ":all",
+    linker_files = ":all",
+    objcopy_files = ":all",
+    strip_files = ":all",
+    toolchain_config = ":armv7-linux-musl_toolchain_config",
+)
+
+toolchain(
+    name = "armv7-linux-musl_toolchain_toolchain",
+    exec_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:x86_64",
+    ],
+    target_compatible_with = [
+        "@platforms//os:linux",
+        "@platforms//cpu:armv7",
+        "{musl_constraint}",
+    ],
+    toolchain = ":armv7-linux-musl_toolchain",
+    toolchain_type = "@rules_cc//cc:toolchain_type",
+)
+""".replace("{musl_constraint}", _MUSL_CONSTRAINT).replace("{repo_path}", _EXTERNAL_PREFIX + "cc_toolchain_armv7-linux-musl-x86_64-linux"),
+    )
+
+    repo_names.append("cc_toolchain_armv7-linux-musl-x86_64-linux")
+    return repo_names
+
+# =============================================================================
+# Module Extension
+# =============================================================================
+
+def _toolchains_impl(ctx):
+    _create_cpp_toolchains()
+
+toolchains = module_extension(
+    implementation = _toolchains_impl,
+)
+