CPUID for ARMv7 (ARM R5)

Table of Contents

• Features Supported
• Features NOT Supported
• Important Usage Guidelines
• Example Usage
• API

Features Supported

• APIs to get R5F Cluster Id and Core Id.

Features NOT Supported

NA

Important Usage Guidelines

• Refer to ARMv7-R architecture manual for more details
• API should be used in priviledge mode only.

Example Usage

Include the below file to access the APIs,

#include <kernel/dpl/CpuIdP.h>
#include <drivers/hw_include/cslr_soc.h>

Example to get R5F Cluster Id and Core Id,

 
    CSL_ArmR5CPUInfo cpuInfo;
 
    /* Get Core ID Info */
    CSL_armR5GetCpuID(&cpuInfo);
    if (cpuInfo.grpId == (uint32_t)CSL_ARM_R5_CLUSTER_GROUP_ID_0) /* R5SS0-0 */
    {
        if(cpuInfo.cpuID == CSL_ARM_R5_CPU_ID_0)
        {
            /* R5FSS0 Core 0 */
        }
    }
 

API

APIs for CPU ID