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https://github.com/ARM-software/arm-trusted-firmware.git
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82cb2c1ad9
To make software license auditing simpler, use SPDX[0] license identifiers instead of duplicating the license text in every file. NOTE: Files that have been imported by FreeBSD have not been modified. [0]: https://spdx.org/ Change-Id: I80a00e1f641b8cc075ca5a95b10607ed9ed8761a Signed-off-by: dp-arm <dimitris.papastamos@arm.com>
47 lines
1.2 KiB
ArmAsm
47 lines
1.2 KiB
ArmAsm
/*
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* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <arch.h>
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#include <asm_macros.S>
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#include <assert_macros.S>
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#include <platform_def.h>
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.globl plat_my_core_pos
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.globl plat_is_my_cpu_primary
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.globl plat_get_my_entrypoint
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.weak platform_get_core_pos
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/* -----------------------------------------------------
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* Compatibility wrappers for new platform APIs.
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* -----------------------------------------------------
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*/
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func plat_my_core_pos
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mrs x0, mpidr_el1
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b platform_get_core_pos
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endfunc plat_my_core_pos
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func plat_is_my_cpu_primary
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mrs x0, mpidr_el1
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b platform_is_primary_cpu
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endfunc plat_is_my_cpu_primary
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func plat_get_my_entrypoint
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mrs x0, mpidr_el1
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b platform_get_entrypoint
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endfunc plat_get_my_entrypoint
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/* -----------------------------------------------------
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* int platform_get_core_pos(int mpidr);
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* With this function: CorePos = (ClusterId * 4) +
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* CoreId
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* -----------------------------------------------------
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*/
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func platform_get_core_pos
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and x1, x0, #MPIDR_CPU_MASK
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and x0, x0, #MPIDR_CLUSTER_MASK
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add x0, x1, x0, LSR #6
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ret
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endfunc platform_get_core_pos
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