1 /* 2 * Copright (C) 2014 Linaro Ltd. 3 * Author: Ard Biesheuvel <ard.biesheuvel@linaro.org> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice and this list of conditions, without modification. 10 * 2. The name of the author may not be used to endorse or promote products 11 * derived from this software without specific prior written permission. 12 * 13 * Alternatively, this software may be distributed under the terms of the 14 * GNU General Public License as published by the Free Software Foundation; 15 * either version 2 of the License, or (at your option) any later version. 16 */ 17 18 #include "lib.h" 19 20 VOID 21 InitializeLibPlatform ( 22 IN EFI_HANDLE ImageHandle __attribute__((__unused__)), 23 IN EFI_SYSTEM_TABLE *SystemTable __attribute__((__unused__)) 24 ) 25 { 26 } 27 28 /* 29 * Calls to these functions may be emitted implicitly by GCC even when 30 * -ffreestanding is in effect. 31 */ 32 void *memset(void *s, int c, __SIZE_TYPE__ n) 33 { 34 unsigned char *p = s; 35 36 while (n--) 37 *p++ = c; 38 39 return s; 40 } 41 42 void *memcpy(void *dest, const void *src, __SIZE_TYPE__ n) 43 { 44 unsigned char *p = dest; 45 unsigned char const *q = src; 46 47 while (n--) 48 *p++ = *q++; 49 50 return dest; 51 } 52 53 void __div0(void) 54 { 55 // TODO handle divide by zero fault 56 while (1); 57 } 58 59