1 /* 2 * This file is part of the flashrom project. 3 * 4 * Copyright (C) 2009 Carl-Daniel Hailfinger 5 * Copyright (C) 2022 secunet Security Networks AG 6 * (written by Thomas Heijligen <[email protected]) 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; version 2 of the License. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 */ 17 18 /* 19 * Header file for platform abstraction. 20 */ 21 22 #ifndef __PLATFORM_H__ 23 #define __PLATFORM_H__ 1 24 25 #include <stddef.h> 26 #include <stdint.h> 27 28 /* convert cpu native endian to little endian */ 29 uint8_t cpu_to_le8 (uint8_t value); 30 uint16_t cpu_to_le16(uint16_t value); 31 uint32_t cpu_to_le32(uint32_t value); 32 uint64_t cpu_to_le64(uint64_t value); 33 34 /* convert cpu native endian to big endian */ 35 uint8_t cpu_to_be8 (uint8_t value); 36 uint16_t cpu_to_be16(uint16_t value); 37 uint32_t cpu_to_be32(uint32_t value); 38 uint64_t cpu_to_be64(uint64_t value); 39 40 /* convert little endian to cpu native endian */ 41 uint8_t le_to_cpu8 (uint8_t value); 42 uint16_t le_to_cpu16(uint16_t value); 43 uint32_t le_to_cpu32(uint32_t value); 44 uint64_t le_to_cpu64(uint64_t value); 45 46 /* convert big endian to cpu native endian */ 47 uint8_t be_to_cpu8 (uint8_t value); 48 uint16_t be_to_cpu16(uint16_t value); 49 uint32_t be_to_cpu32(uint32_t value); 50 uint64_t be_to_cpu64(uint64_t value); 51 52 /* read value from base at offset in little endian */ 53 uint8_t read_le8 (const void *base, size_t offset); 54 uint16_t read_le16(const void *base, size_t offset); 55 uint32_t read_le32(const void *base, size_t offset); 56 uint64_t read_le64(const void *base, size_t offset); 57 58 /* read value from base at offset in big endian */ 59 uint8_t read_be8 (const void *base, size_t offset); 60 uint16_t read_be16(const void *base, size_t offset); 61 uint32_t read_be32(const void *base, size_t offset); 62 uint64_t read_be64(const void *base, size_t offset); 63 64 #endif /* !__PLATFORM_H__ */ 65