/* * Copyright (c) 2015-2017, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #include #if ARM_PLAT_MT #pragma weak plat_arm_get_cpu_pe_count #endif /****************************************************************************** * This function implements a part of the critical interface between the psci * generic layer and the platform that allows the former to query the platform * to convert an MPIDR to a unique linear index. An error code (-1) is * returned in case the MPIDR is invalid. *****************************************************************************/ int plat_core_pos_by_mpidr(u_register_t mpidr) { if (arm_check_mpidr(mpidr) == 0) return plat_arm_calc_core_pos(mpidr); return -1; } #if ARM_PLAT_MT /****************************************************************************** * This function returns the PE count within the physical cpu corresponding to * `mpidr`. Now one cpu only have one thread, so just return 1. *****************************************************************************/ unsigned int plat_arm_get_cpu_pe_count(u_register_t mpidr) { return 1; } #endif /* ARM_PLAT_MT */