/**************************************************************************** * arch/misoc/include/arch.h * * 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. * ****************************************************************************/ /* This file should never be included directly but, rather, * only indirectly through nuttx/arch.h */ #ifndef __ARCH_MISOC_INCLUDE_ARCH_H #define __ARCH_MISOC_INCLUDE_ARCH_H /**************************************************************************** * Included Files ****************************************************************************/ #include /**************************************************************************** * Inline functions ****************************************************************************/ /**************************************************************************** * Name: up_getsp ****************************************************************************/ static inline uint32_t up_getsp(void) { register uint32_t sp; __asm__ __volatile__("addi %0, sp, 0" : "=r" (sp)); return sp; } #endif /* __ARCH_MISOC_INCLUDE_ARCH_H */