| /**************************************************************************** |
| * arch/risc-v/src/common/riscv_cpuindex.c |
| * |
| * 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. |
| * |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <stdint.h> |
| |
| #include <nuttx/arch.h> |
| #include <nuttx/irq.h> |
| |
| #include "riscv_internal.h" |
| |
| /**************************************************************************** |
| * Public Functions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * Name: up_cpu_index |
| * |
| * Description: |
| * Return an index in the range of 0 through (CONFIG_SMP_NCPUS-1) that |
| * corresponds to the currently executing CPU. |
| * |
| * Input Parameters: |
| * None |
| * |
| * Returned Value: |
| * An integer index in the range of 0 through (CONFIG_SMP_NCPUS-1) that |
| * corresponds to the currently executing CPU. |
| * |
| ****************************************************************************/ |
| |
| #ifdef CONFIG_SMP |
| int up_cpu_index(void) |
| { |
| return (int)riscv_mhartid(); |
| } |
| #endif |