1 files changed, 97 insertions, 0 deletions
diff --git a/bsps/arm/fvp/start/bspstarthooks.c b/bsps/arm/fvp/start/bspstarthooks.c
new file mode 100644
index 0000000000..b990dde30e
--- /dev/null
+++ b/bsps/arm/fvp/start/bspstarthooks.c
@@ -0,0 +1,97 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSBSPsARMFVP
+ *
+ * @brief This source file contains the implementation of bsp_start_hook_0()
+ *   and bsp_start_hook_1().
+ */
+
+/*
+ * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <bsp.h>
+#include <bsp/start.h>
+
+#include <rtems/score/aarch32-pmsa.h>
+#include <rtems/score/aarch32-system-registers.h>
+
+#ifdef RTEMS_SMP
+#include <rtems.h>
+#include <rtems/score/smpimpl.h>
+
+#include <bsp/irq-generic.h>
+
+#include <dev/irq/arm-gic-irq.h>
+#endif
+
+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 ) {
+    /*
+     * The FVP jumps to the entry point of the ELF file on all processors.
+     * Prevent the fatal errors SMP_FATAL_MULTITASKING_START_ON_INVALID_PROCESSOR
+     * and SMP_FATAL_MULTITASKING_START_ON_UNASSIGNED_PROCESSOR this way.
+     */
+    if (
+      cpu_index_self >= rtems_configuration_get_maximum_processors()
+        || !_SMP_Should_start_processor( cpu_index_self )
+    ) {
+      while ( true ) {
+        _ARM_Wait_for_event();
+      }
+    }
+
+    _AArch32_PMSA_Initialize_default();
+    arm_gic_irq_initialize_secondary_cpu();
+
+    /* Change the VBAR from the start to the normal vector table */
+    _AArch32_Write_vbar( bsp_vector_table_begin );
+
+    bsp_interrupt_vector_enable( ARM_GIC_IRQ_SGI_0 );
+    _SMP_Start_multitasking_on_secondary_processor(
+      _Per_CPU_Get_by_index( cpu_index_self )
+    );
+  }
+#endif
+}
+
+void bsp_start_hook_1( void )
+{
+  bsp_start_copy_sections();
+  _AArch32_PMSA_Initialize_default();
+  bsp_start_clear_bss();
+}