/****************************************************************************** * The MIT License * * Copyright (c) 2011 LeafLabs, LLC. * * 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 file is a modified version of a file obtained from * CodeSourcery Inc. (now part of Mentor Graphics Corp.), in which the * following text appeared: * * Copyright (c) 2006, 2007 CodeSourcery Inc * * The authors hereby grant permission to use, copy, modify, distribute, * and license this software and its documentation for any purpose, provided * that existing copyright notices are retained in all copies and that this * notice is included verbatim in any distributions. No written agreement, * license, or royalty fee is required for any of the authorized uses. * Modifications to this software may be copyrighted by their authors * and need not follow the licensing terms described here, provided that * the new terms are clearly indicated on the first page of each file where * they apply. */ #include <stddef.h> extern void __libc_init_array(void); extern int main(int, char**, char**); extern void exit(int) __attribute__((noreturn, weak)); extern char _data, _edata; extern char _bss, _ebss; struct rom_img_cfg { int *img_start; }; extern char _lm_rom_img_cfgp; void __attribute__((noreturn)) start_c(void) { struct rom_img_cfg *img_cfg = (struct rom_img_cfg*)&_lm_rom_img_cfgp; int *src = img_cfg->img_start; int *dst = (int*)&_data; int exit_code; /* Initialize .data, if necessary. */ if (src != dst) { int *end = (int*)&_edata; while (dst < end) { *dst++ = *src++; } } /* Zero .bss. */ dst = (int*)&_bss; while (dst < (int*)&_ebss) { *dst++ = 0; } /* Run initializers. */ __libc_init_array(); /* Jump to main. */ exit_code = main(0, 0, 0); if (exit) { exit(exit_code); } /* If exit is NULL, make sure we don't return. */ for (;;) continue; }