1*3f6f8362SLouise Kilheeney#!/usr/bin/env python3 2200b88cbSPavan Nikhilesh# SPDX-License-Identifier: BSD-3-Clause 3200b88cbSPavan Nikhilesh# Copyright(c) 2017 Cavium, Inc 4200b88cbSPavan Nikhilesh 5200b88cbSPavan Nikhileshident = [] 6200b88cbSPavan Nikhileshfname = '/sys/devices/system/cpu/cpu0/regs/identification/midr_el1' 7200b88cbSPavan Nikhileshwith open(fname) as f: 8200b88cbSPavan Nikhilesh content = f.read() 9200b88cbSPavan Nikhilesh 10200b88cbSPavan Nikhileshmidr_el1 = (int(content.rstrip('\n'), 16)) 11200b88cbSPavan Nikhilesh 12200b88cbSPavan Nikhileshident.append(hex((midr_el1 >> 24) & 0xFF)) # Implementer 13200b88cbSPavan Nikhileshident.append(hex((midr_el1 >> 20) & 0xF)) # Variant 14200b88cbSPavan Nikhileshident.append(hex((midr_el1 >> 16) & 0XF)) # Architecture 15200b88cbSPavan Nikhileshident.append(hex((midr_el1 >> 4) & 0xFFF)) # Primary Part number 16200b88cbSPavan Nikhileshident.append(hex(midr_el1 & 0xF)) # Revision 17200b88cbSPavan Nikhilesh 18200b88cbSPavan Nikhileshprint(' '.join(ident)) 19