| 12345678910111213141516171819202122232425262728293031323334 |
- /*
- * Copyright (c) 2019, 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
- 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);
- *
- * result: CorePos = CoreId + (ClusterId << 2)
- * -----------------------------------------------------
- */
- func plat_my_core_pos
- mrs x0, mpidr_el1
- and x1, x0, #MPIDR_CPU_MASK
- and x0, x0, #MPIDR_CLUSTER_MASK
- add x0, x1, x0, LSR #6
- ret
- endfunc plat_my_core_pos
|
