From e8172f8399c203677ed6e15cbd96257e5ba70311 Mon Sep 17 00:00:00 2001 From: Mateusz Szafoni 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 +# +# 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 + * + * 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 + +#include + +#include + +#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 */