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#pragma once
/***
This file is part of systemd.
Copyright 2014 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <endian.h>
#include "macro.h"
#include "util.h"
/* A cleaned up architecture definition. We don't want to get lost in
* processor features, models, generations or even ABIs. Hence we
* focus on general family, and distinguish word width and
* endianness. */
enum {
ARCHITECTURE_X86 = 0,
ARCHITECTURE_X86_64,
ARCHITECTURE_PPC,
ARCHITECTURE_PPC_LE,
ARCHITECTURE_PPC64,
ARCHITECTURE_PPC64_LE,
ARCHITECTURE_IA64,
ARCHITECTURE_PARISC,
ARCHITECTURE_PARISC64,
ARCHITECTURE_S390,
ARCHITECTURE_S390X,
ARCHITECTURE_SPARC,
ARCHITECTURE_SPARC64,
ARCHITECTURE_MIPS,
ARCHITECTURE_MIPS_LE,
ARCHITECTURE_MIPS64,
ARCHITECTURE_MIPS64_LE,
ARCHITECTURE_ALPHA,
ARCHITECTURE_ARM,
ARCHITECTURE_ARM_BE,
ARCHITECTURE_ARM64,
ARCHITECTURE_ARM64_BE,
ARCHITECTURE_SH,
ARCHITECTURE_SH64,
ARCHITECTURE_M68K,
ARCHITECTURE_TILEGX,
ARCHITECTURE_CRIS,
_ARCHITECTURE_MAX,
_ARCHITECTURE_INVALID = -1
};
int uname_architecture(void);
/*
* LIB_ARCH_TUPLE should resolve to the local library path
* architecture tuple systemd is built for, according to the Debian
* tuple list:
*
* https://wiki.debian.org/Multiarch/Tuples
*
* This is used in library search paths that should understand
* Debian's paths on all distributions.
*/
#if defined(__x86_64__)
# define native_architecture() ARCHITECTURE_X86_64
# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
# define PROC_CPUINFO_MODEL "model name"
#elif defined(__i386__)
# define native_architecture() ARCHITECTURE_X86
# define LIB_ARCH_TUPLE "i386-linux-gnu"
# define PROC_CPUINFO_MODEL "model name"
#elif defined(__powerpc64__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC64
# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_PPC64_LE
# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
# endif
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__powerpc__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC
# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_PPC_LE
# error "Missing LIB_ARCH_TUPLE for PPCLE"
# endif
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__ia64__)
# define native_architecture() ARCHITECTURE_IA64
# define LIB_ARCH_TUPLE "ia64-linux-gnu"
#elif defined(__hppa64__)
# define native_architecture() ARCHITECTURE_PARISC64
# error "Missing LIB_ARCH_TUPLE for HPPA64"
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__hppa__)
# define native_architecture() ARCHITECTURE_PARISC
# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__s390x__)
# define native_architecture() ARCHITECTURE_S390X
# define LIB_ARCH_TUPLE "s390x-linux-gnu"
#elif defined(__s390__)
# define native_architecture() ARCHITECTURE_S390
# define LIB_ARCH_TUPLE "s390-linux-gnu"
#elif defined(__sparc64__)
# define native_architecture() ARCHITECTURE_SPARC64
# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__sparc__)
# define native_architecture() ARCHITECTURE_SPARC
# define LIB_ARCH_TUPLE "sparc-linux-gnu"
# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__mips64__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS64
# error "Missing LIB_ARCH_TUPLE for MIPS64"
# else
# define native_architecture() ARCHITECTURE_MIPS64_LE
# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
# endif
# define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__mips__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS
# define LIB_ARCH_TUPLE "mips-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_MIPS_LE
# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
# endif
# define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__alpha__)
# define native_architecture() ARCHITECTURE_ALPHA
# define LIB_ARCH_TUPLE "alpha-linux-gnu"
#elif defined(__aarch64__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_ARM64_BE
# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
# else
# define native_architecture() ARCHITECTURE_ARM64
# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
# endif
#elif defined(__arm__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_ARM_BE
# if defined(__ARM_EABI__)
# if defined(__ARM_PCS_VFP)
# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
# else
# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
# endif
# else
# define LIB_ARCH_TUPLE "armeb-linux-gnu"
# endif
# else
# define native_architecture() ARCHITECTURE_ARM
# if defined(__ARM_EABI__)
# if defined(__ARM_PCS_VFP)
# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
# else
# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
# endif
# else
# define LIB_ARCH_TUPLE "arm-linux-gnu"
# endif
# endif
# define PROC_CPUINFO_MODEL "model name"
#elif defined(__sh64__)
# define native_architecture() ARCHITECTURE_SH64
# error "Missing LIB_ARCH_TUPLE for SH64"
#elif defined(__sh__)
# define native_architecture() ARCHITECTURE_SH
# define LIB_ARCH_TUPLE "sh4-linux-gnu"
#elif defined(__m68k__)
# define native_architecture() ARCHITECTURE_M68K
# define LIB_ARCH_TUPLE "m68k-linux-gnu"
#elif defined(__tilegx__)
# define native_architecture() ARCHITECTURE_TILEGX
# error "Missing LIB_ARCH_TUPLE for TILEGX"
#elif defined(__cris__)
# define native_architecture() ARCHITECTURE_CRIS
# error "Missing LIB_ARCH_TUPLE for CRIS"
#else
# error "Please register your architecture here!"
#endif
#ifndef PROC_CPUINFO_MODEL
#warning "PROC_CPUINFO_MODEL not defined for your architecture"
#define PROC_CPUINFO_MODEL "model name"
#endif
const char *architecture_to_string(int a) _const_;
int architecture_from_string(const char *s) _pure_;
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