amd64/start/bspstart.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSBSPsX8664AMD64
0007  *
0008  * @ingroup RTEMSBSPsX8664AMD64EFI
0009  *
0010  * @brief BSP start-up code
0011  */
0012
0013 /*
0014  * Copyright (c) 2018 Amaan Cheval <amaan.cheval@gmail.com>
0015  *
0016  * Redistribution and use in source and binary forms, with or without
0017  * modification, are permitted provided that the following conditions
0018  * are met:
0019  * 1. Redistributions of source code must retain the above copyright
0020  *    notice, this list of conditions and the following disclaimer.
0021  * 2. Redistributions in binary form must reproduce the above copyright
0022  *    notice, this list of conditions and the following disclaimer in the
0023  *    documentation and/or other materials provided with the distribution.
0024  *
0025  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
0026  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0028  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
0029  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0030  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0031  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0032  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
0033  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
0034  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
0035  * SUCH DAMAGE.
0036  */
0037
0038 #include <acpi/acpi.h>
0039 #include <bsp.h>
0040 #include <bsp/bootcard.h>
0041 #include <libcpu/page.h>
0042 #include <bsp/irq-generic.h>
0043 #include <multiboot2impl.h>
0044 #include <rtems/score/assert.h>
0045
0046 #if defined(BSP_USE_EFI_BOOT_SERVICES) && !defined(BSP_MULTIBOOT_SUPPORT)
0047 #error "RTEMS amd64efi BSP requires multiboot2 support!"
0048 #endif
0049
0050 void bsp_start(void)
0051 {
0052 #ifdef BSP_MULTIBOOT_SUPPORT
0053     process_multiboot2_info();
0054     if (!uefi_bootservices_running()) {
0055 #endif
0056         paging_init();
0057         bool acpi_table_result = acpi_tables_initialize();
0058         _Assert(acpi_table_result);
0059         bsp_interrupt_initialize();
0060 #ifdef BSP_MULTIBOOT_SUPPORT
0061     }
0062 #endif
0063 }