source: rtems/bsps/shared/start/bspgetworkarea-default.c

Last change on this file was de7df04, checked in by Sebastian Huber <sebastian.huber@…>, on Feb 26, 2021 at 8:48:41 AM

bsps: Fix legacy build

  • Property mode set to 100644
File size: 2.7 KB
Line 
1/* SPDX-License-Identifier: BSD-2-Clause */
2
3/**
4 * @file
5 *
6 * @ingroup RTEMSScoreMemory
7 *
8 * @ingroup RTEMSBSPsSharedStartup
9 *
10 * @brief This source file contains the default implementation of
11 *   _Memory_Get().
12 */
13
14/*
15 * Copyright (C) 2011, 2019 embedded brains GmbH (http://www.embedded-brains.de)
16 *
17 * Copyright (C) 1989, 2009 On-Line Applications Research Corporation (OAR)
18 *
19 * Redistribution and use in source and binary forms, with or without
20 * modification, are permitted provided that the following conditions
21 * are met:
22 * 1. Redistributions of source code must retain the above copyright
23 *    notice, this list of conditions and the following disclaimer.
24 * 2. Redistributions in binary form must reproduce the above copyright
25 *    notice, this list of conditions and the following disclaimer in the
26 *    documentation and/or other materials provided with the distribution.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
29 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
32 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41#include <bsp.h>
42#include <bsp/bootcard.h>
43
44#if defined(HAS_UBOOT) && !defined(BSP_DISABLE_UBOOT_WORK_AREA_CONFIG)
45  #define USE_UBOOT
46#endif
47
48/*
49 *  These are provided by the linkcmds for ALL of the BSPs which use this file.
50 */
51extern char WorkAreaBase[];
52
53/*
54 *  We may get the size information from U-Boot or the linker scripts.
55 */
56#ifdef USE_UBOOT
57#include <bsp/u-boot.h>
58#include <rtems/sysinit.h>
59
60static Memory_Area _Memory_Areas[ 1 ];
61
62static void bsp_memory_initialize( void )
63{
64  char *end;
65
66  end = (char *) bsp_uboot_board_info.bi_memstart
67    + bsp_uboot_board_info.bi_memsize;
68  _Memory_Initialize( &_Memory_Areas[ 0 ], WorkAreaBase, end );
69}
70
71RTEMS_SYSINIT_ITEM(
72  bsp_memory_initialize,
73  RTEMS_SYSINIT_MEMORY,
74  RTEMS_SYSINIT_ORDER_MIDDLE
75);
76#else /* !USE_UBOOT */
77extern char RamEnd[];
78
79static Memory_Area _Memory_Areas[] = {
80  MEMORY_INITIALIZER(WorkAreaBase, RamEnd)
81};
82#endif /* USE_UBOOT */
83
84static const Memory_Information _Memory_Information =
85  MEMORY_INFORMATION_INITIALIZER( _Memory_Areas );
86
87const Memory_Information *_Memory_Get( void )
88{
89  return &_Memory_Information;
90}
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