| /* |
| * Copyright (c) 2015, ARM Limited and Contributors. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #include <arch.h> |
| #include <asm_macros.S> |
| #include <assert_macros.S> |
| #include <platform_def.h> |
| |
| .globl plat_my_core_pos |
| .globl plat_is_my_cpu_primary |
| .globl plat_get_my_entrypoint |
| .weak platform_get_core_pos |
| |
| /* ----------------------------------------------------- |
| * Compatibility wrappers for new platform APIs. |
| * ----------------------------------------------------- |
| */ |
| func plat_my_core_pos |
| mrs x0, mpidr_el1 |
| b platform_get_core_pos |
| endfunc plat_my_core_pos |
| |
| func plat_is_my_cpu_primary |
| mrs x0, mpidr_el1 |
| b platform_is_primary_cpu |
| endfunc plat_is_my_cpu_primary |
| |
| func plat_get_my_entrypoint |
| mrs x0, mpidr_el1 |
| b platform_get_entrypoint |
| endfunc plat_get_my_entrypoint |
| |
| /* ----------------------------------------------------- |
| * int platform_get_core_pos(int mpidr); |
| * With this function: CorePos = (ClusterId * 4) + |
| * CoreId |
| * ----------------------------------------------------- |
| */ |
| func platform_get_core_pos |
| and x1, x0, #MPIDR_CPU_MASK |
| and x0, x0, #MPIDR_CLUSTER_MASK |
| add x0, x1, x0, LSR #6 |
| ret |
| endfunc platform_get_core_pos |
