/* 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 |