/* * Copyright (c) 2024, Arm Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /* Runtime C routines for errata workarounds and common routines */ #include #include #include #include #include #include #if ERRATA_A520_2938996 || ERRATA_X4_2726228 unsigned int check_if_affected_core(void) { uint32_t midr_val = read_midr(); long rev_var = cpu_get_rev_var(); if (EXTRACT_PARTNUM(midr_val) == EXTRACT_PARTNUM(CORTEX_A520_MIDR)) { return check_erratum_cortex_a520_2938996(rev_var); } else if (EXTRACT_PARTNUM(midr_val) == EXTRACT_PARTNUM(CORTEX_X4_MIDR)) { return check_erratum_cortex_x4_2726228(rev_var); } return ERRATA_NOT_APPLIES; } #endif