/* * Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of ARM nor the names of its contributors may be used * to endorse or promote products derived from this software without specific * prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include .weak plat_my_core_pos .weak plat_reset_handler .weak plat_disable_acp .weak platform_mem_init .weak plat_panic_handler /* ----------------------------------------------------- * int plat_my_core_pos(void); * With this function: CorePos = (ClusterId * 4) + * CoreId * ----------------------------------------------------- */ func plat_my_core_pos ldcopr r0, MPIDR and r1, r0, #MPIDR_CPU_MASK and r0, r0, #MPIDR_CLUSTER_MASK add r0, r1, r0, LSR #6 bx lr endfunc plat_my_core_pos /* ----------------------------------------------------- * Placeholder function which should be redefined by * each platform. * ----------------------------------------------------- */ func plat_reset_handler bx lr endfunc plat_reset_handler /* ----------------------------------------------------- * Placeholder function which should be redefined by * each platform. * ----------------------------------------------------- */ func plat_disable_acp bx lr endfunc plat_disable_acp /* --------------------------------------------------------------------- * Placeholder function which should be redefined by * each platform. * --------------------------------------------------------------------- */ func platform_mem_init bx lr endfunc platform_mem_init /* ----------------------------------------------------- * void plat_panic_handler(void) __dead2; * Endless loop by default. * ----------------------------------------------------- */ func plat_panic_handler b plat_panic_handler endfunc plat_panic_handler