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- /*
- * Copyright (c) 2021, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- #include <arch.h>
- #include <asm_macros.S>
- #include <platform_def.h>
- .globl plat_is_my_cpu_primary
- .globl plat_my_core_pos
- .globl plat_mediatek_calc_core_pos
- func plat_is_my_cpu_primary
- mrs x0, mpidr_el1
- and x0, x0, #(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK)
- cmp x0, #PLAT_PRIMARY_CPU
- cset x0, eq
- ret
- endfunc plat_is_my_cpu_primary
- /* -----------------------------------------------------
- * unsigned int plat_my_core_pos(void)
- * This function uses the plat_mediatek_calc_core_pos()
- * definition to get the index of the calling CPU.
- * -----------------------------------------------------
- */
- func plat_my_core_pos
- mrs x0, mpidr_el1
- b plat_mediatek_calc_core_pos
- endfunc plat_my_core_pos
- /* -----------------------------------------------------
- * unsigned int plat_mediatek_calc_core_pos(u_register_t mpidr);
- *
- * With this function: CorePos = CoreID (AFF1)
- * we do it with x0 = (x0 >> 8) & 0xff
- * -----------------------------------------------------
- */
- func plat_mediatek_calc_core_pos
- mov x1, #MPIDR_AFFLVL_MASK
- and x0, x1, x0, lsr #MPIDR_AFF1_SHIFT
- ret
- endfunc plat_mediatek_calc_core_pos
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