#ifndef TOOLCHAIN_NEWLIB_H_ #define TOOLCHAIN_NEWLIB_H_ /* * Copyright (C) 2012 by egnite GmbH * Copyright (C) 2001-2006 by egnite Software GmbH * * All rights reserved. * * 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 of the copyright holders nor the names of * 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. * * For additional information see http://www.ethernut.de/ */ #ifdef __arm__ #ifdef __CORTEX__ #include #endif #include #endif #if defined(MCU_AT91SAM7SE) /*! * \brief Function running in internal RAM. * * When running in flash or external RAM, certain time critical functions * may be executed in internal RAM for optimal performance. Another use is * self re-programming, where the programming function itself cannot run in * flash. * * This section will be copied to internal RAM during runtime initialization. */ #ifndef SECTION_FUNC_IRAM #define SECTION_FUNC_IRAM __attribute__ ((long_call, section(".text_iram"))) #endif /*! * \brief Initialized variables in internal RAM. * * If variables are by default in external RAM, this attribute can be used * to place certain variables in internal RAM. Actually this is rarely used. * * The initial values in this section will be copied to internal RAM during * runtime initialization. */ #ifndef SECTION_DATA_IRAM #define SECTION_DATA_IRAM __attribute__ ((section(".data_iram"))) #endif /*! * \brief Variables in internal RAM. * * If variables are by default in external RAM, this attribute can be used * to place certain variables in internal RAM. Often used for buffers, when * peripheral DMA does not properly work in external SDRAM. * * This section will be cleared to zero during runtime initialization. */ #ifndef SECTION_BSS_IRAM #define SECTION_BSS_IRAM __attribute__ ((section(".bss_iram"))) #endif /*! * \brief Function running in external RAM. * * Typically used for self re-programming functions, if the default code * is located in flash. * * This section will be copied to external RAM during runtime initialization. */ #ifndef SECTION_FUNC_XRAM #define SECTION_FUNC_XRAM __attribute__ ((long_call, section(".text_xram"))) #endif /*! * \brief Variables in external RAM. * * If variables are by default in internal RAM, this attribute can be used * to place certain variables in external RAM. Rarely used for large buffers, * which will not fit in internal RAM. * * This section will be cleared to zero during runtime initialization. */ #ifndef SECTION_BSS_XRAM #define SECTION_BSS_XRAM __attribute__ ((section(".bss_xram"))) #endif #endif #include #endif