| /* SPDX-License-Identifier: BSD-2-Clause */ | |
| /* | |
| * Copyright (c) 2014, Linaro Limited | |
| */ | |
| #include <asm.S> | |
| #include <arm.h> | |
| /* For Juno number the two A57s as 4 to 5 and A53s as 0 to 3 */ | |
| FUNC get_core_pos_mpidr , : | |
| /* Calculate CorePos = ((ClusterId ^ 1) * 4) + CoreId */ | |
| and x1, x0, #MPIDR_CPU_MASK | |
| and x0, x0, #MPIDR_CLUSTER_MASK | |
| eor x0, x0, #(1 << MPIDR_CLUSTER_SHIFT) | |
| add x0, x1, x0, LSR #6 | |
| ret | |
| END_FUNC get_core_pos_mpidr |