/* * Copyright (c) 2024-2025, 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 #include #include #include #include #include #include #include #include #include #include #include #include #include bool check_if_trbe_disable_affected_core(void) { switch (EXTRACT_PARTNUM(read_midr())) { #if ERRATA_A520_2938996 case EXTRACT_PARTNUM(CORTEX_A520_MIDR): return check_erratum_cortex_a520_2938996(cpu_get_rev_var()) == ERRATA_APPLIES; #endif #if ERRATA_X4_2726228 case EXTRACT_PARTNUM(CORTEX_X4_MIDR): return check_erratum_cortex_x4_2726228(cpu_get_rev_var()) == ERRATA_APPLIES; #endif #if ERRATA_A510_2971420 case EXTRACT_PARTNUM(CORTEX_A510_MIDR): return check_erratum_cortex_a510_2971420(cpu_get_rev_var()) == ERRATA_APPLIES; #endif default: break; } return false; } #if ERRATA_A75_764081 bool errata_a75_764081_applies(void) { long rev_var = cpu_get_rev_var(); if (check_erratum_cortex_a75_764081(rev_var) == ERRATA_APPLIES) { return true; } return false; } #endif /* ERRATA_A75_764081 */ bool errata_ich_vmcr_el2_applies(void) { switch (EXTRACT_PARTNUM(read_midr())) { #if ERRATA_A710_3701772 case EXTRACT_PARTNUM(CORTEX_A710_MIDR): if (check_erratum_cortex_a710_3701772(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_A710_3701772 */ #if ERRATA_A715_3699560 case EXTRACT_PARTNUM(CORTEX_A715_MIDR): if (check_erratum_cortex_a715_3699560(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_A715_3699560 */ #if ERRATA_A720_3699561 case EXTRACT_PARTNUM(CORTEX_A720_MIDR): if (check_erratum_cortex_a720_3699561(cpu_get_rev_var()) == ERRATA_APPLIES) return true;; break; #endif /* ERRATA_A720_3699561 */ #if ERRATA_A720_AE_3699562 case EXTRACT_PARTNUM(CORTEX_A720_AE_MIDR): if (check_erratum_cortex_a720_ae_3699562(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_A720_AE_3699562 */ #if ERRATA_A725_3699564 case EXTRACT_PARTNUM(CORTEX_A725_MIDR): if (check_erratum_cortex_a725_3699564(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_A725_3699564 */ #if ERRATA_X2_3701772 case EXTRACT_PARTNUM(CORTEX_X2_MIDR): if (check_erratum_cortex_x2_3701772(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_X2_3701772 */ #if ERRATA_X3_3701769 case EXTRACT_PARTNUM(CORTEX_X3_MIDR): if (check_erratum_cortex_x3_3701769(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_X3_3701769 */ #if ERRATA_X4_3701758 case EXTRACT_PARTNUM(CORTEX_X4_MIDR): if (check_erratum_cortex_x4_3701758(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_X4_3701758 */ #if ERRATA_X925_3701747 case EXTRACT_PARTNUM(CORTEX_X925_MIDR): if (check_erratum_cortex_x925_3701747(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_X925_3701747 */ #if ERRATA_N2_3701773 case EXTRACT_PARTNUM(NEOVERSE_N2_MIDR): if (check_erratum_neoverse_n2_3701773(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_N2_3701773 */ #if ERRATA_N3_3699563 case EXTRACT_PARTNUM(NEOVERSE_N3_MIDR): if (check_erratum_neoverse_n3_3699563(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_N3_3699563 */ #if ERRATA_V3_3701767 case EXTRACT_PARTNUM(NEOVERSE_V3_MIDR): if (check_erratum_neoverse_v3_3701767(cpu_get_rev_var()) == ERRATA_APPLIES) return true; break; #endif /* ERRATA_V3_3701767 */ default: break; } return false; }