#!/usr/bin/env python3 # SPDX-License-Identifier: BSD-3-Clause # Copyright(c) 2017 Cavium, Inc ident = [] fname = '/sys/devices/system/cpu/cpu0/regs/identification/midr_el1' with open(fname) as f: content = f.read() midr_el1 = (int(content.rstrip('\n'), 16)) ident.append(hex((midr_el1 >> 24) & 0xFF)) # Implementer ident.append(hex((midr_el1 >> 20) & 0xF)) # Variant ident.append(hex((midr_el1 >> 16) & 0XF)) # Architecture ident.append(hex((midr_el1 >> 4) & 0xFFF)) # Primary Part number ident.append(hex(midr_el1 & 0xF)) # Revision print(' '.join(ident))