source: rtems/cpukit/score/cpu/arm/armv7m-context-initialize.c @ eb142fee

5
Last change on this file since eb142fee was c499856, checked in by Chris Johns <chrisj@…>, on 03/20/14 at 21:10:47

Change all references of rtems.com to rtems.org.

  • Property mode set to 100644
File size: 1.1 KB
Line 
1/**
2 *  @file
3 *
4 *  @brief CPU Initialize Context
5 */
6
7/*
8 * Copyright (c) 2011 Sebastian Huber.  All rights reserved.
9 *
10 *  embedded brains GmbH
11 *  Obere Lagerstr. 30
12 *  82178 Puchheim
13 *  Germany
14 *  <rtems@embedded-brains.de>
15 *
16 * The license and distribution terms for this file may be
17 * found in the file LICENSE in this distribution or at
18 * http://www.rtems.org/license/LICENSE.
19 */
20
21#ifdef HAVE_CONFIG_H
22  #include "config.h"
23#endif
24
25#include <string.h>
26
27#include <rtems/score/armv7m.h>
28#include <rtems/score/thread.h>
29#include <rtems/score/tls.h>
30
31#ifdef ARM_MULTILIB_ARCH_V7M
32
33void _CPU_Context_Initialize(
34  Context_Control *context,
35  void *stack_area_begin,
36  size_t stack_area_size,
37  uint32_t new_level,
38  void (*entry_point)( void ),
39  bool is_fp,
40  void *tls_area
41)
42{
43  char *stack_area_end = (char *) stack_area_begin + stack_area_size;
44
45  memset(context, 0, sizeof(*context));
46
47  context->register_lr = entry_point;
48  context->register_sp = stack_area_end;
49
50  if ( tls_area != NULL ) {
51    _TLS_TCB_at_area_begin_initialize( tls_area );
52  }
53}
54
55#endif /* ARM_MULTILIB_ARCH_V7M */
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