mirror of
https://review.coreboot.org/flashrom.git
synced 2025-04-26 22:52:34 +02:00
e083880279
Change-Id: I7bfc339673cbf5ee2d2ff7564c4db04ca088d0a4 Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/25381 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nico Huber <nico.h@gmx.de>
166 lines
4.9 KiB
C
166 lines
4.9 KiB
C
/*
|
|
* This file is part of the flashrom project.
|
|
*
|
|
* Copyright (C) 2011 Carl-Daniel Hailfinger
|
|
*
|
|
* 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; version 2 of the License.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Header file to determine target OS and CPU architecture.
|
|
*/
|
|
|
|
#ifndef __PLATFORM_H__
|
|
#define __PLATFORM_H__ 1
|
|
|
|
// Helper defines for operating systems
|
|
#if defined(__gnu_linux__) || defined(__linux__)
|
|
#define IS_LINUX 1
|
|
#else
|
|
#define IS_LINUX 0
|
|
#endif
|
|
#if defined(__APPLE__) && defined(__MACH__) /* yes, both. */
|
|
#define IS_MACOSX 1
|
|
#else
|
|
#define IS_MACOSX 0
|
|
#endif
|
|
#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(__WINDOWS__)
|
|
#define IS_WINDOWS 1
|
|
#else
|
|
#define IS_WINDOWS 0
|
|
#endif
|
|
|
|
// Likewise for target architectures
|
|
#if defined (__i386__) || defined (__x86_64__) || defined(__amd64__)
|
|
#define __FLASHROM_ARCH__ "x86"
|
|
#define IS_X86 1
|
|
#elif defined (__mips) || defined (__mips__) || defined (__MIPS__) || defined (mips)
|
|
#define __FLASHROM_ARCH__ "mips"
|
|
#define IS_MIPS 1
|
|
#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__) || defined(__POWERPC__) || \
|
|
defined(__ppc__) || defined(__ppc64__) || defined(_M_PPC) || defined(_ARCH_PPC) || \
|
|
defined(_ARCH_PPC64) || defined(__ppc)
|
|
#define __FLASHROM_ARCH__ "ppc"
|
|
#define IS_PPC 1
|
|
#elif defined(__arm__) || defined(__TARGET_ARCH_ARM) || defined(_ARM) || defined(_M_ARM) || defined(__arm) || \
|
|
defined(__aarch64__)
|
|
#define __FLASHROM_ARCH__ "arm"
|
|
#define IS_ARM 1
|
|
#elif defined (__sparc__) || defined (__sparc)
|
|
#define __FLASHROM_ARCH__ "sparc"
|
|
#define IS_SPARC 1
|
|
#elif defined (__alpha__)
|
|
#define __FLASHROM_ARCH__ "alpha"
|
|
#define IS_ALPHA 1
|
|
#elif defined (__hppa__) || defined (__hppa)
|
|
#define __FLASHROM_ARCH__ "hppa"
|
|
#define IS_HPPA 1
|
|
#elif defined (__m68k__)
|
|
#define __FLASHROM_ARCH__ "m68k"
|
|
#define IS_M68K 1
|
|
#elif defined (__riscv)
|
|
#define __FLASHROM_ARCH__ "riscv"
|
|
#define IS_RISCV 1
|
|
#elif defined (__sh__)
|
|
#define __FLASHROM_ARCH__ "sh"
|
|
#define IS_SH 1
|
|
#elif defined(__s390__) || defined(__s390x__) || defined(__zarch__)
|
|
#define __FLASHROM_ARCH__ "s390"
|
|
#define IS_S390 1
|
|
#endif
|
|
|
|
#if !(IS_X86 || IS_MIPS || IS_PPC || IS_ARM || IS_SPARC || IS_ALPHA || IS_HPPA || IS_M68K || IS_RISCV || IS_SH || IS_S390)
|
|
#error Unknown architecture
|
|
#endif
|
|
|
|
/* The next big hunk tries to guess endianess from various preprocessor macros */
|
|
/* First some error checking in case some weird header has defined both.
|
|
* NB: OpenBSD always defines _BIG_ENDIAN and _LITTLE_ENDIAN. */
|
|
#if defined (__LITTLE_ENDIAN__) && defined (__BIG_ENDIAN__)
|
|
#error Conflicting endianness #define
|
|
#endif
|
|
|
|
#if IS_X86
|
|
|
|
/* All x86 is little-endian. */
|
|
#define __FLASHROM_LITTLE_ENDIAN__ 1
|
|
|
|
#elif IS_MIPS
|
|
|
|
/* MIPS can be either endian. */
|
|
#if defined (__MIPSEL) || defined (__MIPSEL__) || defined (_MIPSEL) || defined (MIPSEL)
|
|
#define __FLASHROM_LITTLE_ENDIAN__ 1
|
|
#elif defined (__MIPSEB) || defined (__MIPSEB__) || defined (_MIPSEB) || defined (MIPSEB)
|
|
#define __FLASHROM_BIG_ENDIAN__ 1
|
|
#endif
|
|
|
|
#elif IS_PPC
|
|
|
|
/* PowerPC can be either endian. */
|
|
#if defined (_BIG_ENDIAN) || defined (__BIG_ENDIAN__)
|
|
#define __FLASHROM_BIG_ENDIAN__ 1
|
|
#elif defined (_LITTLE_ENDIAN) || defined (__LITTLE_ENDIAN__)
|
|
#define __FLASHROM_LITTLE_ENDIAN__ 1
|
|
#endif
|
|
|
|
#elif IS_ARM
|
|
|
|
/* ARM can be either endian. */
|
|
#if defined (__ARMEB__)
|
|
#define __FLASHROM_BIG_ENDIAN__ 1
|
|
#elif defined (__ARMEL__)
|
|
#define __FLASHROM_LITTLE_ENDIAN__ 1
|
|
#endif
|
|
|
|
#elif IS_SPARC
|
|
/* SPARC is big endian in general (but allows to access data in little endian too). */
|
|
#define __FLASHROM_BIG_ENDIAN__ 1
|
|
|
|
#endif /* IS_? */
|
|
|
|
#if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
|
|
|
|
/* If architecture-specific approaches fail try generic variants. First: BSD (works about everywhere). */
|
|
#if !IS_WINDOWS
|
|
#include <sys/param.h>
|
|
|
|
#if defined (__BYTE_ORDER)
|
|
#if __BYTE_ORDER == __LITTLE_ENDIAN
|
|
#define __FLASHROM_LITTLE_ENDIAN__
|
|
#elif __BYTE_ORDER == __BIG_ENDIAN
|
|
#define __FLASHROM_BIG_ENDIAN__
|
|
#else
|
|
#error Unknown byte order!
|
|
#endif
|
|
#endif /* defined __BYTE_ORDER */
|
|
#endif /* !IS_WINDOWS */
|
|
|
|
#if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
|
|
|
|
/* Nonstandard libc-specific macros for determining endianness. */
|
|
/* musl provides an endian.h as well... but it can not be detected from within C. */
|
|
#if defined(__GLIBC__)
|
|
#include <endian.h>
|
|
#if BYTE_ORDER == LITTLE_ENDIAN
|
|
#define __FLASHROM_LITTLE_ENDIAN__ 1
|
|
#elif BYTE_ORDER == BIG_ENDIAN
|
|
#define __FLASHROM_BIG_ENDIAN__ 1
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#if !defined (__FLASHROM_BIG_ENDIAN__) && !defined (__FLASHROM_LITTLE_ENDIAN__)
|
|
#error Unable to determine endianness.
|
|
#endif
|
|
|
|
#endif /* !__PLATFORM_H__ */
|