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/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSBSPsAArch64XilinxZynqMP
*
* @brief This source file contains the implementation of this BSP's startup
* hooks.
*/
/*
* Copyright (C) 2020 On-Line Applications Research Corporation (OAR)
* Written by Kinsey Moore <kinsey.moore@oarcorp.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* 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 OWNER 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 <bsp.h>
#include <bsp/start.h>
#ifdef RTEMS_SMP
#include <rtems/score/aarch64-system-registers.h>
#include <rtems/score/smpimpl.h>
#include <bsp/irq-generic.h>
#endif
BSP_START_TEXT_SECTION void bsp_start_hook_0( void )
{
#ifdef RTEMS_SMP
uint32_t cpu_index_self;
cpu_index_self = _SMP_Get_current_processor();
if ( cpu_index_self != 0 ) {
if (
cpu_index_self >= rtems_configuration_get_maximum_processors()
|| !_SMP_Should_start_processor( cpu_index_self )
) {
while ( true ) {
_AARCH64_Wait_for_event();
}
}
/* Change the VBAR from the start to the normal vector table */
AArch64_start_set_vector_base();
zynqmp_setup_secondary_cpu_mmu_and_cache();
arm_gic_irq_initialize_secondary_cpu();
bsp_interrupt_vector_enable( ARM_GIC_IRQ_SGI_0 );
_SMP_Start_multitasking_on_secondary_processor(
_Per_CPU_Get_by_index( cpu_index_self )
);
}
#endif
}
BSP_START_TEXT_SECTION void bsp_start_hook_1( void )
{
AArch64_start_set_vector_base();
bsp_start_copy_sections();
zynqmp_setup_mmu_and_cache();
bsp_start_clear_bss();
}
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