* arch/arm/src/sam34/sam4cm_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 "mpu.h"
#include "arm_internal.h"
#ifdef CONFIG_ARCH_HAVE_MULTICPU
* Public Functions
****************************************************************************/
* Name: up_cpu_index
*
* Description:
* Return the real core number regardless CONFIG_SMP setting
*
****************************************************************************/
int up_cpu_index(void)
{
return (getreg32(MPU_TYPE) == 0) ? 1 : 0;
}
#endif