1 // Copyright 2022 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 #pragma once 15 16 #include "pw_cpu_exception_cortex_m/cpu_state.h" 17 18 namespace pw::cpu_exception::cortex_m { 19 20 // Analyses the CPU state and logs the analysis results. 21 void LogExceptionAnalysis(const pw_cpu_exception_State& cpu_state); 22 23 enum class ProcessorMode { 24 kHandlerMode, // Handling interrupts/exceptions (msp). 25 kThreadMode, // May be on either psp or msp. 26 }; 27 ProcessorMode ActiveProcessorMode(const pw_cpu_exception_State& cpu_state); 28 29 // Returns whether the msp was active in thread or handler modes. 30 bool MainStackActive(const pw_cpu_exception_State& cpu_state); 31 32 // Returns whether the psp was active in thread mode. ProcessStackActive(const pw_cpu_exception_State & cpu_state)33inline bool ProcessStackActive(const pw_cpu_exception_State& cpu_state) { 34 return !MainStackActive(cpu_state); 35 } 36 37 } // namespace pw::cpu_exception::cortex_m 38