# Copyright 2021 The Pigweed Authors # # Licensed under the Apache License, Version 2.0 (the "License"); you may not # use this file except in compliance with the License. You may obtain a copy of # the License at # # https://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations under # the License. load("@com_google_protobuf//bazel:proto_library.bzl", "proto_library") load("@rules_cc//cc:cc_library.bzl", "cc_library") load("@rules_python//python:proto.bzl", "py_proto_library") load("@rules_python//sphinxdocs:sphinx_docs_library.bzl", "sphinx_docs_library") load("//pw_build:compatibility.bzl", "incompatible_with_mcu") load("//pw_build:pw_facade.bzl", "pw_facade") load("//pw_protobuf_compiler:pw_proto_library.bzl", "pwpb_proto_library") load("//pw_unit_test:pw_cc_test.bzl", "pw_cc_test") package(default_visibility = ["//visibility:public"]) licenses(["notice"]) # The crash facade provides architecture-independent APIs that may be helpful # for analysing the CPU state delegating the reporting and crashing to the # backend. constraint_setting( name = "crash_constraint_setting", ) constraint_value( name = "entry_backend", constraint_setting = "//pw_cpu_exception:entry_constraint_setting", ) constraint_value( name = "support_backend", constraint_setting = "//pw_cpu_exception:support_constraint_setting", ) cc_library( name = "config", hdrs = ["pw_cpu_exception_cortex_m_private/config.h"], tags = ["noclangtidy"], deps = [":config_override"], ) label_flag( name = "config_override", build_setting_default = "//pw_build:default_module_config", ) # Override-able flag for each facade backend. label_flag( name = "crash_backend", build_setting_default = "//pw_build:unspecified_backend", ) pw_facade( name = "crash", srcs = ["crash.cc"], hdrs = ["public/pw_cpu_exception_cortex_m/crash.h"], backend = ":crash_backend", strip_include_prefix = "public", # TODO: https://pwbug.dev/350758633 - add v6m support target_compatible_with = select({ "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "@platforms//cpu:armv8-m": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":config", ":cortex_m_constants", ":cpu_state", "//pw_preprocessor:cortex_m", ], ) cc_library( name = "cpu_state", hdrs = ["public/pw_cpu_exception_cortex_m/cpu_state.h"], strip_include_prefix = "public", deps = [ "//pw_preprocessor", "//pw_preprocessor:cortex_m", ], ) cc_library( name = "util", srcs = ["util.cc"], hdrs = ["public/pw_cpu_exception_cortex_m/util.h"], strip_include_prefix = "public", target_compatible_with = select({ "@platforms//cpu:armv6-m": [], "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "@platforms//cpu:armv8-m": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":config", ":cortex_m_constants", ":cpu_state", "//pw_log", "//pw_preprocessor:cortex_m", ], ) cc_library( name = "support", srcs = ["support.cc"], deps = [ ":config", ":cortex_m_constants", ":cpu_state", ":util", "//pw_cpu_exception:support.facade", "//pw_log", "//pw_preprocessor", "//pw_preprocessor:cortex_m", "//pw_string", ], ) cc_library( name = "proto_dump", srcs = ["proto_dump.cc"], hdrs = ["public/pw_cpu_exception_cortex_m/proto_dump.h"], strip_include_prefix = "public", target_compatible_with = select({ "@platforms//cpu:armv6-m": [], "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "@platforms//cpu:armv8-m": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":config", ":cpu_state", ":cpu_state_protos_pwpb", ":support", "//pw_protobuf", "//pw_status", "//pw_stream", ], ) proto_library( name = "cpu_state_protos", srcs = ["pw_cpu_exception_cortex_m_protos/cpu_state.proto"], import_prefix = "pw_cpu_exception_cortex_m_protos", strip_import_prefix = "/pw_cpu_exception_cortex_m/pw_cpu_exception_cortex_m_protos", ) py_proto_library( name = "cpu_state_protos_pb2", deps = [":cpu_state_protos"], ) pwpb_proto_library( name = "cpu_state_protos_pwpb", deps = [":cpu_state_protos"], ) cc_library( name = "cpu_exception", hdrs = [ "public_overrides/pw_cpu_exception_backend/state.h", ], includes = [ "public_overrides", ], deps = [ ":cpu_state", "//pw_cpu_exception:entry.facade", "//pw_preprocessor", "//pw_preprocessor:cortex_m", ], ) cc_library( name = "cpu_exception_impl", srcs = select({ "@platforms//cpu:armv6-m": ["entry_armv6m.cc"], "//conditions:default": ["entry.cc"], }), target_compatible_with = select({ "@platforms//cpu:armv6-m": [], "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "@platforms//cpu:armv8-m": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":config", ":cortex_m_constants", ":cpu_state", ":util", # Depend on the full backends in the impl target. "//pw_cpu_exception:entry", "//pw_cpu_exception:handler", ], ) cc_library( name = "snapshot", srcs = ["snapshot.cc"], hdrs = ["public/pw_cpu_exception_cortex_m/snapshot.h"], strip_include_prefix = "public", deps = [ ":config", ":cortex_m_constants", ":cpu_state", ":cpu_state_protos_pwpb", ":proto_dump", ":util", "//pw_log", "//pw_protobuf", "//pw_status", "//pw_thread:snapshot", "//pw_thread:thread_pwpb", ], ) cc_library( name = "cortex_m_constants", hdrs = ["pw_cpu_exception_cortex_m_private/cortex_m_constants.h"], visibility = ["//visibility:private"], deps = ["//pw_preprocessor:cortex_m"], ) cc_library( name = "cpu_exception_entry_test_util", srcs = ["exception_entry_test_util.cc"], hdrs = ["public/pw_cpu_exception_cortex_m/exception_entry_test_util.h"], strip_include_prefix = "public", target_compatible_with = select({ "@platforms//cpu:armv6-m": [], "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "@platforms//cpu:armv8-m": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":cortex_m_constants", ":cpu_state", ], ) pw_cc_test( name = "cpu_exception_entry_test", srcs = select({ "@platforms//cpu:armv6-m": ["exception_entry_test_armv6m.cc"], "//conditions:default": ["exception_entry_test.cc"], }), deps = [ ":config", ":cpu_exception", ":cpu_exception_entry_test_util", ":cpu_exception_impl", ":cpu_state", "//pw_cpu_exception:handler", "//pw_cpu_exception:support", "//pw_toolchain:infinite_loop", ], ) pw_cc_test( name = "util_test", srcs = [ "util_test.cc", ], deps = [ ":cpu_state", ":util", ], ) pw_cc_test( name = "crash_test", srcs = [ "crash.cc", "crash_test.cc", "private/pw_cpu_exception_cortex_m_backend/crash.h", "public/pw_cpu_exception_cortex_m/crash.h", ], includes = ["private"], # TODO: https://pwbug.dev/350758633 - Add v6m support. # TODO: https://pwbug.dev/353533678 - Failing on Cortex-M33 right now. target_compatible_with = select({ "@platforms//cpu:armv7-m": [], "@platforms//cpu:armv7e-m": [], "@platforms//cpu:armv7e-mf": [], "//conditions:default": ["@platforms//:incompatible"], }), deps = [ ":config", ":cortex_m_constants", ":cpu_state", ":util", "//pw_cpu_exception:entry", "//pw_preprocessor", "//pw_preprocessor:cortex_m", "//pw_status", "//pw_string:builder", "//pw_sync:lock_annotations", "//pw_sync:mutex", ], ) sphinx_docs_library( name = "docs", srcs = [ "docs.rst", ], prefix = "pw_cpu_exception_cortex_m/", target_compatible_with = incompatible_with_mcu(), )