/* * This file is part of the flashrom project. * * Copyright (C) 2016 secunet Security Networks AG * (written by Thomas Heijligen ) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ #include "platform.h" /* * macro to return endian aware read function * * `___read(le, 8)` * expands to * `uint8_t read_le8 (const void *const base, const size_t offset) * { return le_to_cpu8 (*(uint8_t *)((uintptr_t)base + offset)); }` */ #define ___read(endian, bits) \ uint##bits##_t read_##endian##bits (const void *const base, const size_t offset) \ { return endian##_to_cpu##bits (*(uint##bits##_t *)((uintptr_t)base + offset)); } /* read value from base at offset in little endian */ ___read(le, 8) ___read(le, 16) ___read(le, 32) ___read(le, 64) /* read value from base at offset in big endian */ ___read(be, 8) ___read(be, 16) ___read(be, 32) ___read(be, 64)