From e8172f8399c203677ed6e15cbd96257e5ba70311 Mon Sep 17 00:00:00 2001
From: Mateusz Szafoni <mateusz.szafoni@psenso.com>
Date: Mon, 27 Jun 2016 13:43:39 +0200
Subject: [PATCH] Add platform files for Olimex STM32 E407
---
platform/olimex-stm32-e407/Kconfig | 8 ++
platform/olimex-stm32-e407/Make.defs | 40 ++++++
.../olimex-stm32-e407/stm32_cxxinitialize.c | 134 ++++++++++++++++++
3 files changed, 182 insertions(+)
create mode 100644 platform/olimex-stm32-e407/Kconfig
create mode 100644 platform/olimex-stm32-e407/Make.defs
create mode 100644 platform/olimex-stm32-e407/stm32_cxxinitialize.c
diff --git a/platform/olimex-stm32-e407/Kconfig b/platform/olimex-stm32-e407/Kconfig
new file mode 100644
index 000000000..7e553c543
--- /dev/null
+++ b/platform/olimex-stm32-e407/Kconfig
@@ -0,0 +1,8 @@
+#
+# For a description of the syntax of this configuration file,
+# see the file kconfig-language.txt in the NuttX tools repository.
+#
+
+if ARCH_BOARD_OLIMEX_STM32E407
+
+endif
diff --git a/platform/olimex-stm32-e407/Make.defs b/platform/olimex-stm32-e407/Make.defs
new file mode 100644
index 000000000..a4f408467
--- /dev/null
+++ b/platform/olimex-stm32-e407/Make.defs
@@ -0,0 +1,40 @@
+############################################################################
+# apps/platform/olimex-stm32-e407/Make.defs
+#
+# Copyright (C) 2016 Gregory Nutt. All rights reserved.
+# Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# 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.
+# 3. Neither the name NuttX nor the names of its contributors may be
+# used to endorse or promote products derived from this software
+# without specific prior written permission.
+#
+# 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.
+#
+############################################################################
+
+# Add platform specific sources to ASRCS and CSRCS
+
+ifeq ($(CONFIG_HAVE_CXX),y)
+CSRCS += stm32_cxxinitialize.c
+endif
diff --git a/platform/olimex-stm32-e407/stm32_cxxinitialize.c b/platform/olimex-stm32-e407/stm32_cxxinitialize.c
new file mode 100644
index 000000000..e83449a05
--- /dev/null
+++ b/platform/olimex-stm32-e407/stm32_cxxinitialize.c
@@ -0,0 +1,134 @@
+/****************************************************************************
+ * apps/platform/olimex-stm32-e407/src/stm32_cxxinitialize.c
+ *
+ * Copyright (C) 2016 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * 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.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <debug.h>
+
+#include <nuttx/arch.h>
+
+#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Debug ********************************************************************/
+/* Non-standard debug that may be enabled just for testing the static
+ * constructors.
+ */
+
+#ifdef CONFIG_DEBUG_CXX
+# define cxxinfo _info
+#else
+# define cxxinfo(x...)
+#endif
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+/* This type defines one entry in initialization array */
+
+typedef void (*initializer_t)(void);
+
+/****************************************************************************
+ * External References
+ ****************************************************************************/
+/* _sinit and _einit are symbols exported by the linker script that mark the
+ * beginning and the end of the C++ initialization section.
+ */
+
+extern initializer_t _sinit;
+extern initializer_t _einit;
+
+/* _stext and _etext are symbols exported by the linker script that mark the
+ * beginning and the end of text.
+ */
+
+extern uint32_t _stext;
+extern uint32_t _etext;
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: up_cxxinitialize
+ *
+ * Description:
+ * If C++ and C++ static constructors are supported, then this function
+ * must be provided by board-specific logic in order to perform
+ * initialization of the static C++ class instances.
+ *
+ * This function should then be called in the application-specific
+ * user_start logic in order to perform the C++ initialization. NOTE
+ * that no component of the core NuttX RTOS logic is involved; this
+ * function definition only provides the 'contract' between application
+ * specific C++ code and platform-specific toolchain support.
+ *
+ ****************************************************************************/
+
+void up_cxxinitialize(void)
+{
+ initializer_t *initp;
+
+ cxxinfo("_sinit: %p _einit: %p _stext: %p _etext: %p\n",
+ &_sinit, &_einit, &_stext, &_etext);
+
+ /* Visit each entry in the initialization table */
+
+ for (initp = &_sinit; initp != &_einit; initp++)
+ {
+ initializer_t initializer = *initp;
+ cxxinfo("initp: %p initializer: %p\n", initp, initializer);
+
+ /* Make sure that the address is non-NULL and lies in the text region
+ * defined by the linker script. Some toolchains may put NULL values
+ * or counts in the initialization table.
+ */
+
+ if ((void *)initializer > (void *)&_stext &&
+ (void *)initializer < (void *)&_etext)
+ {
+ cxxinfo("Calling %p\n", initializer);
+ initializer();
+ }
+ }
+}
+
+#endif /* CONFIG_HAVE_CXX && CONFIG_HAVE_CXXINITIALIZE */