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[/] [ao486/] [trunk/] [syn/] [soc/] [firmware/] [exe_bsp/] [HAL/] [src/] [alt_load.c] - Rev 2
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/****************************************************************************** * * * License Agreement * * * * Copyright (c) 2004-2005 Altera Corporation, San Jose, California, USA. * * All rights reserved. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the "Software"), * * to deal in the Software without restriction, including without limitation * * the rights to use, copy, modify, merge, publish, distribute, sublicense, * * and/or sell copies of the Software, and to permit persons to whom the * * Software is furnished to do so, subject to the following conditions: * * * * The above copyright notice and this permission notice shall be included in * * all copies or substantial portions of the Software. * * * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * * DEALINGS IN THE SOFTWARE. * * * * This agreement shall be governed in all respects by the laws of the State * * of California and by the laws of the United States of America. * * * * Altera does not recommend, suggest or require that this reference design * * file be used in conjunction or combination with any other product. * ******************************************************************************/ #include "sys/alt_load.h" #include "sys/alt_cache.h" /* * Linker defined symbols. */ extern void __flash_rwdata_start; extern void __ram_rwdata_start; extern void __ram_rwdata_end; extern void __flash_rodata_start; extern void __ram_rodata_start; extern void __ram_rodata_end; extern void __flash_exceptions_start; extern void __ram_exceptions_start; extern void __ram_exceptions_end; /* * alt_load() is called when the code is executing from flash. In this case * there is no bootloader, so this application is responsible for loading to * RAM any sections that are required. */ void alt_load (void) { /* * Copy the .rwdata section. */ alt_load_section (&__flash_rwdata_start, &__ram_rwdata_start, &__ram_rwdata_end); /* * Copy the exception handler. */ alt_load_section (&__flash_exceptions_start, &__ram_exceptions_start, &__ram_exceptions_end); /* * Copy the .rodata section. */ alt_load_section (&__flash_rodata_start, &__ram_rodata_start, &__ram_rodata_end); /* * Now ensure that the caches are in synch. */ alt_dcache_flush_all(); alt_icache_flush_all(); }
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