1/* 2 * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7#include <arch.h> 8#include <asm_macros.S> 9#include <platform_def.h> 10 11 .globl plat_is_my_cpu_primary 12 .globl plat_my_core_pos 13 14func plat_is_my_cpu_primary 15 mrs x0, mpidr_el1 16 and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) 17 cmp x0, #PLAT_PRIMARY_CPU 18 cset x0, eq 19 ret 20endfunc plat_is_my_cpu_primary 21 22 /* ----------------------------------------------------- 23 * unsigned int plat_my_core_pos(void); 24 * 25 * result: CorePos = CoreId + (ClusterId << 2) 26 * ----------------------------------------------------- 27 */ 28func plat_my_core_pos 29 mrs x0, mpidr_el1 30 and x1, x0, #MPIDR_CPU_MASK 31 and x0, x0, #MPIDR_CLUSTER_MASK 32 add x0, x1, x0, LSR #6 33 ret 34endfunc plat_my_core_pos 35