| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * http://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. |
| */ |
| |
| #ifndef _OS_ARCH_ARM_H |
| #define _OS_ARCH_ARM_H |
| |
| #include <stdint.h> |
| #include "syscfg/syscfg.h" |
| #include "mcu/cmsis_nvic.h" |
| #include "mcu/cortex_m3.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* CPU status register */ |
| typedef uint32_t os_sr_t; |
| |
| /* Stack element */ |
| typedef uint32_t os_stack_t; |
| |
| /* Stack sizes for common OS tasks */ |
| #define OS_SANITY_STACK_SIZE (64) |
| #if MYNEWT_VAL(OS_SYSVIEW) |
| #define OS_IDLE_STACK_SIZE (80) |
| #else |
| #define OS_IDLE_STACK_SIZE (64) |
| #endif |
| |
| static inline int |
| os_arch_in_isr(void) |
| { |
| return (SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk) != 0; |
| } |
| |
| /* Include common arch definitions and APIs */ |
| #include "os/arch/common.h" |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _OS_ARCH_ARM_H */ |
