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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2015, Linaro Limited
* All rights reserved.
*/
#include <asm.S>
#include <arm.h>
#include <platform_config.h>
/* Let platforms override this if needed */
.weak get_core_pos_mpidr
/* size_t get_core_pos(void); */
FUNC get_core_pos , :
mrs x0, mpidr_el1
b get_core_pos_mpidr
END_FUNC get_core_pos
/* size_t get_core_pos_mpidr(uint32_t mpidr); */
FUNC get_core_pos_mpidr , :
/* Calculate CorePos = (ClusterId * (cores/cluster)) + CoreId */
and x1, x0, #MPIDR_CPU_MASK
and x0, x0, #MPIDR_CLUSTER_MASK
add x0, x1, x0, LSR #(MPIDR_CLUSTER_SHIFT - CFG_CORE_CLUSTER_SHIFT)
ret
END_FUNC get_core_pos_mpidr
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