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https://github.com/ARM-software/arm-trusted-firmware.git
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bd9344f670
Use full include paths like it is done for common includes.
This cleanup was started in commit d40e0e08283a ("Sanitise includes
across codebase"), but it only cleaned common files and drivers. This
patch does the same to Arm platforms.
Change-Id: If982e6450bbe84dceb56d464e282bcf5d6d9ab9b
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Copyright (c) 2015-2017, 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 <platform_def.h>
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#include <arch.h>
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#include <plat/arm/common/plat_arm.h>
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/*******************************************************************************
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* This function validates an MPIDR by checking whether it falls within the
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* acceptable bounds. An error code (-1) is returned if an incorrect mpidr
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* is passed.
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******************************************************************************/
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int arm_check_mpidr(u_register_t mpidr)
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{
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unsigned int cluster_id, cpu_id;
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uint64_t valid_mask;
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#if ARM_PLAT_MT
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unsigned int pe_id;
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valid_mask = ~(MPIDR_AFFLVL_MASK |
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(MPIDR_AFFLVL_MASK << MPIDR_AFF1_SHIFT) |
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(MPIDR_AFFLVL_MASK << MPIDR_AFF2_SHIFT));
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cluster_id = (mpidr >> MPIDR_AFF2_SHIFT) & MPIDR_AFFLVL_MASK;
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cpu_id = (mpidr >> MPIDR_AFF1_SHIFT) & MPIDR_AFFLVL_MASK;
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pe_id = (mpidr >> MPIDR_AFF0_SHIFT) & MPIDR_AFFLVL_MASK;
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#else
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valid_mask = ~(MPIDR_CLUSTER_MASK | MPIDR_CPU_MASK);
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cluster_id = (unsigned int) ((mpidr >> MPIDR_AFF1_SHIFT) &
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MPIDR_AFFLVL_MASK);
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cpu_id = (unsigned int) ((mpidr >> MPIDR_AFF0_SHIFT) &
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MPIDR_AFFLVL_MASK);
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#endif /* ARM_PLAT_MT */
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mpidr &= MPIDR_AFFINITY_MASK;
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if ((mpidr & valid_mask) != 0U)
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return -1;
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if (cluster_id >= PLAT_ARM_CLUSTER_COUNT)
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return -1;
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/* Validate cpu_id by checking whether it represents a CPU in
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one of the two clusters present on the platform. */
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if (cpu_id >= plat_arm_get_cluster_core_count(mpidr))
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return -1;
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#if ARM_PLAT_MT
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if (pe_id >= plat_arm_get_cpu_pe_count(mpidr))
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return -1;
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#endif /* ARM_PLAT_MT */
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return 0;
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}
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