| /* SPDX-License-Identifier: BSD-2-Clause */ |
| /* |
| * Copyright (c) 2014, STMicroelectronics International N.V. |
| */ |
| |
| #include <asm.S> |
| #include <arm.h> |
| #include <arm32_macros.S> |
| #include <kernel/unwind.h> |
| |
| /* For Juno number the two A57s as 4 to 5 and A53s as 0 to 3 */ |
| FUNC get_core_pos_mpidr , : |
| UNWIND( .fnstart) |
| /* Calculate CorePos = ((ClusterId ^ 1) * 4) + CoreId */ |
| and r1, r0, #MPIDR_CPU_MASK |
| and r0, r0, #MPIDR_CLUSTER_MASK |
| eor r0, r0, #(1 << MPIDR_CLUSTER_SHIFT) |
| add r0, r1, r0, LSR #6 |
| bx lr |
| UNWIND( .fnend) |
| END_FUNC get_core_pos_mpidr |
| |
