| /* |
| * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <platform_def.h> |
| |
| .globl plat_is_my_cpu_primary |
| .globl plat_my_core_pos |
| |
| func plat_is_my_cpu_primary |
| mrs x0, mpidr_el1 |
| and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK) |
| cmp x0, #PLAT_PRIMARY_CPU |
| cset x0, eq |
| ret |
| endfunc plat_is_my_cpu_primary |
| |
| /* ----------------------------------------------------- |
| * unsigned int plat_my_core_pos(void); |
| * |
| * result: CorePos = CoreId + (ClusterId << 2) |
| * ----------------------------------------------------- |
| */ |
| func plat_my_core_pos |
| mrs x0, mpidr_el1 |
| and x1, x0, #MPIDR_CPU_MASK |
| and x0, x0, #MPIDR_CLUSTER_MASK |
| add x0, x1, x0, LSR #6 |
| ret |
| endfunc plat_my_core_pos |
