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author | Gregory Nutt <gnutt@nuttx.org> | 2013-06-29 09:39:01 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2013-06-29 09:39:01 -0600 |
commit | 2896baa86fe813fddfe8ce77a8247872f40515c6 (patch) | |
tree | a180ce7bcfa8556ed4ee9388573fa79686e57e6b /nuttx/configs/sam3u-ek/src | |
parent | 1318d4e429be4e445b532798269e5485444b621c (diff) | |
download | px4-nuttx-2896baa86fe813fddfe8ce77a8247872f40515c6.tar.gz px4-nuttx-2896baa86fe813fddfe8ce77a8247872f40515c6.tar.bz2 px4-nuttx-2896baa86fe813fddfe8ce77a8247872f40515c6.zip |
Changes to get a clean compile of configs/sam3u-ek/nxwm
Diffstat (limited to 'nuttx/configs/sam3u-ek/src')
-rw-r--r-- | nuttx/configs/sam3u-ek/src/Makefile | 4 | ||||
-rw-r--r-- | nuttx/configs/sam3u-ek/src/up_cxxinitialize.c | 149 |
2 files changed, 153 insertions, 0 deletions
diff --git a/nuttx/configs/sam3u-ek/src/Makefile b/nuttx/configs/sam3u-ek/src/Makefile index 788a50620..9cd708d7d 100644 --- a/nuttx/configs/sam3u-ek/src/Makefile +++ b/nuttx/configs/sam3u-ek/src/Makefile @@ -42,6 +42,10 @@ AOBJS = $(ASRCS:.S=$(OBJEXT)) CSRCS = up_boot.c up_leds.c up_buttons.c up_spi.c up_usbdev.c +ifeq ($(CONFIG_HAVE_CXXINITIALIZE),y) +CSRCS += up_cxxinitialize.c +endif + ifeq ($(CONFIG_LCD),y) CSRCS += up_lcd.c endif diff --git a/nuttx/configs/sam3u-ek/src/up_cxxinitialize.c b/nuttx/configs/sam3u-ek/src/up_cxxinitialize.c new file mode 100644 index 000000000..6b4e255f2 --- /dev/null +++ b/nuttx/configs/sam3u-ek/src/up_cxxinitialize.c @@ -0,0 +1,149 @@ +/************************************************************************************ + * configs/sam3u-ek/src/up_cxxinitialize.c + * + * Copyright (C) 2013 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 <stdint.h> +#include <debug.h> + +#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE) + +/************************************************************************************ + * Definitions + ************************************************************************************/ +/* Debug ****************************************************************************/ +/* Non-standard debug that may be enabled just for testing the static constructors */ + +#ifndef CONFIG_DEBUG +# undef CONFIG_DEBUG_CXX +#endif + +#ifdef CONFIG_DEBUG_CXX +# define cxxdbg dbg +# define cxxlldbg lldbg +# ifdef CONFIG_DEBUG_VERBOSE +# define cxxvdbg vdbg +# define cxxllvdbg llvdbg +# else +# define cxxvdbg(x...) +# define cxxllvdbg(x...) +# endif +#else +# define cxxdbg(x...) +# define cxxlldbg(x...) +# define cxxvdbg(x...) +# define cxxllvdbg(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; + +/************************************************************************************ + * Private Functions + ************************************************************************************/ + +/************************************************************************************ + * 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 defintion only provides the 'contract' between application + * specific C++ code and platform-specific toolchain support + * + ***************************************************************************/ + +void up_cxxinitialize(void) +{ + initializer_t *initp; + + cxxdbg("_sinit: %p _einit: %p _stext: %p _etext: %p\n", + &_sinit, &_einit, &_stext, &_etext); + + /* Visit each entry in the initialzation table */ + + for (initp = &_sinit; initp != &_einit; initp++) + { + initializer_t initializer = *initp; + cxxdbg("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) + { + cxxdbg("Calling %p\n", initializer); + initializer(); + } + } +} + +#endif /* CONFIG_HAVE_CXX && CONFIG_HAVE_CXXINITIALIZE */ |