From b1db7e4367e3e34140ee12447d7692019d33007a Mon Sep 17 00:00:00 2001 From: Thomas Heijligen Date: Thu, 17 Mar 2022 13:41:17 +0100 Subject: Endian conversion: move to platform.h and platform/endian*.c Starting to move the platform dependent code to platform/ and provide the abstraction through the platform.h header. Change-Id: I35640282d451960f2a329ae24339ec05dbae6d30 Signed-off-by: Thomas Heijligen Reviewed-on: https://review.coreboot.org/c/flashrom/+/62899 Tested-by: build bot (Jenkins) Reviewed-by: Nico Huber --- hwaccess.h | 103 ------------------------------------------------------------- 1 file changed, 103 deletions(-) delete mode 100644 hwaccess.h (limited to 'hwaccess.h') diff --git a/hwaccess.h b/hwaccess.h deleted file mode 100644 index 72489f1c..00000000 --- a/hwaccess.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * This file is part of the flashrom project. - * - * Copyright (C) 2009 Carl-Daniel Hailfinger - * Copyright (C) 2022 secunet Security Networks AG - * (written by Thomas Heijligen - -/* swap bytes */ -static inline uint8_t swap8(const uint8_t value) -{ - return (value & (uint8_t)0xffU); -} - -static inline uint16_t swap16(const uint16_t value) -{ - return ((value & (uint16_t)0x00ffU) << 8) | - ((value & (uint16_t)0xff00U) >> 8); -} - -static inline uint32_t swap32(const uint32_t value) -{ - return ((value & (uint32_t)0x000000ffUL) << 24) | - ((value & (uint32_t)0x0000ff00UL) << 8) | - ((value & (uint32_t)0x00ff0000UL) >> 8) | - ((value & (uint32_t)0xff000000UL) >> 24); -} - -static inline uint64_t swap64(const uint64_t value) -{ - return ((value & (uint64_t)0x00000000000000ffULL) << 56) | - ((value & (uint64_t)0x000000000000ff00ULL) << 40) | - ((value & (uint64_t)0x0000000000ff0000ULL) << 24) | - ((value & (uint64_t)0x00000000ff000000ULL) << 8) | - ((value & (uint64_t)0x000000ff00000000ULL) >> 8) | - ((value & (uint64_t)0x0000ff0000000000ULL) >> 24) | - ((value & (uint64_t)0x00ff000000000000ULL) >> 40) | - ((value & (uint64_t)0xff00000000000000ULL) >> 56); -} - -/* - * macro to return the same value as passed. - * - * `___return_same(cpu_to_le, 8)` - * expands to - * `uint8_t cpu_to_le8 (const uint8_t value) { return value; }` - */ -#define ___return_same(name, bits) \ - uint##bits##_t name##bits (const uint##bits##_t value) { return value; } - -/* - * macro to return the swapped value as passed. - * - * `___return_swapped(cpu_to_be, 8)` - * expands to - * `uint8_t cpu_to_be8 (const uint8_t value) { return swap8 (value); }` - */ -#define ___return_swapped(name, bits) \ - uint##bits##_t name##bits (const uint##bits##_t value) { return swap##bits (value); } - -/* convert cpu native endian to little endian */ -uint8_t cpu_to_le8 (const uint8_t value); -uint16_t cpu_to_le16(const uint16_t value); -uint32_t cpu_to_le32(const uint32_t value); -uint64_t cpu_to_le64(const uint64_t value); - -/* convert cpu native endian to big endian */ -uint8_t cpu_to_be8 (const uint8_t value); -uint16_t cpu_to_be16(const uint16_t value); -uint32_t cpu_to_be32(const uint32_t value); -uint64_t cpu_to_be64(const uint64_t value); - -/* convert little endian to cpu native endian */ -uint8_t le_to_cpu8 (const uint8_t value); -uint16_t le_to_cpu16(const uint16_t value); -uint32_t le_to_cpu32(const uint32_t value); -uint64_t le_to_cpu64(const uint64_t value); - -/* convert big endian to cpu native endian */ -uint8_t be_to_cpu8 (const uint8_t value); -uint16_t be_to_cpu16(const uint16_t value); -uint32_t be_to_cpu32(const uint32_t value); -uint64_t be_to_cpu64(const uint64_t value); - -#endif /* !__HWACCESS_H__ */ -- cgit v1.2.3