209 lines
6.7 KiB
C
209 lines
6.7 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <endian.h>
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#include "util.h"
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/* A cleaned up architecture definition. We don't want to get lost in
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* processor features, models, generations or even ABIs. Hence we
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* focus on general family, and distinguish word width and
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* endianness. */
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enum {
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ARCHITECTURE_X86 = 0,
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ARCHITECTURE_X86_64,
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ARCHITECTURE_PPC,
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ARCHITECTURE_PPC_LE,
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ARCHITECTURE_PPC64,
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ARCHITECTURE_PPC64_LE,
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ARCHITECTURE_IA64,
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ARCHITECTURE_PARISC,
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ARCHITECTURE_PARISC64,
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ARCHITECTURE_S390,
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ARCHITECTURE_S390X,
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ARCHITECTURE_SPARC,
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ARCHITECTURE_SPARC64,
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ARCHITECTURE_MIPS,
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ARCHITECTURE_MIPS_LE,
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ARCHITECTURE_MIPS64,
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ARCHITECTURE_MIPS64_LE,
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ARCHITECTURE_ALPHA,
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ARCHITECTURE_ARM,
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ARCHITECTURE_ARM_BE,
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ARCHITECTURE_ARM64,
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ARCHITECTURE_ARM64_BE,
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ARCHITECTURE_SH,
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ARCHITECTURE_SH64,
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ARCHITECTURE_M68K,
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ARCHITECTURE_TILEGX,
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ARCHITECTURE_CRIS,
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_ARCHITECTURE_MAX,
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_ARCHITECTURE_INVALID = -1
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};
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int uname_architecture(void);
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/*
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* LIB_ARCH_TUPLE should resolve to the local library path
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* architecture tuple systemd is built for, according to the Debian
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* tuple list:
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*
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* https://wiki.debian.org/Multiarch/Tuples
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*
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* This is used in library search paths that should understand
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* Debian's paths on all distributions.
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*/
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#if defined(__x86_64__)
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# define native_architecture() ARCHITECTURE_X86_64
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# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
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# define PROC_CPUINFO_MODEL "model name"
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#elif defined(__i386__)
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# define native_architecture() ARCHITECTURE_X86
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# define LIB_ARCH_TUPLE "i386-linux-gnu"
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# define PROC_CPUINFO_MODEL "model name"
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#elif defined(__powerpc64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_PPC64
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# define LIB_ARCH_TUPLE "ppc64-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_PPC64_LE
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# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
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# endif
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__powerpc__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_PPC
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# define LIB_ARCH_TUPLE "powerpc-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_PPC_LE
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# error "Missing LIB_ARCH_TUPLE for PPCLE"
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# endif
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__ia64__)
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# define native_architecture() ARCHITECTURE_IA64
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# define LIB_ARCH_TUPLE "ia64-linux-gnu"
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#elif defined(__hppa64__)
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# define native_architecture() ARCHITECTURE_PARISC64
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# error "Missing LIB_ARCH_TUPLE for HPPA64"
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__hppa__)
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# define native_architecture() ARCHITECTURE_PARISC
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# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__s390x__)
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# define native_architecture() ARCHITECTURE_S390X
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# define LIB_ARCH_TUPLE "s390x-linux-gnu"
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#elif defined(__s390__)
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# define native_architecture() ARCHITECTURE_S390
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# define LIB_ARCH_TUPLE "s390-linux-gnu"
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#elif defined(__sparc64__)
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# define native_architecture() ARCHITECTURE_SPARC64
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# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__sparc__)
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# define native_architecture() ARCHITECTURE_SPARC
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# define LIB_ARCH_TUPLE "sparc-linux-gnu"
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# define PROC_CPUINFO_MODEL "cpu"
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#elif defined(__mips64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_MIPS64
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# error "Missing LIB_ARCH_TUPLE for MIPS64"
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# else
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# define native_architecture() ARCHITECTURE_MIPS64_LE
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# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
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# endif
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# define PROC_CPUINFO_MODEL "cpu model"
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#elif defined(__mips__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_MIPS
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# define LIB_ARCH_TUPLE "mips-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_MIPS_LE
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# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
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# endif
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# define PROC_CPUINFO_MODEL "cpu model"
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#elif defined(__alpha__)
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# define native_architecture() ARCHITECTURE_ALPHA
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# define LIB_ARCH_TUPLE "alpha-linux-gnu"
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#elif defined(__aarch64__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_ARM64_BE
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# define LIB_ARCH_TUPLE "aarch64_be-linux-gnu"
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# else
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# define native_architecture() ARCHITECTURE_ARM64
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# define LIB_ARCH_TUPLE "aarch64-linux-gnu"
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# endif
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#elif defined(__arm__)
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define native_architecture() ARCHITECTURE_ARM_BE
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# if defined(__ARM_EABI__)
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# if defined(__ARM_PCS_VFP)
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# define LIB_ARCH_TUPLE "armeb-linux-gnueabihf"
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# else
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# define LIB_ARCH_TUPLE "armeb-linux-gnueabi"
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# endif
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# else
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# define LIB_ARCH_TUPLE "armeb-linux-gnu"
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# endif
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# else
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# define native_architecture() ARCHITECTURE_ARM
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# if defined(__ARM_EABI__)
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# if defined(__ARM_PCS_VFP)
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# define LIB_ARCH_TUPLE "arm-linux-gnueabihf"
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# else
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# define LIB_ARCH_TUPLE "arm-linux-gnueabi"
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# endif
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# else
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# define LIB_ARCH_TUPLE "arm-linux-gnu"
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# endif
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# endif
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# define PROC_CPUINFO_MODEL "model name"
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#elif defined(__sh64__)
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# define native_architecture() ARCHITECTURE_SH64
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# error "Missing LIB_ARCH_TUPLE for SH64"
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#elif defined(__sh__)
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# define native_architecture() ARCHITECTURE_SH
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# define LIB_ARCH_TUPLE "sh4-linux-gnu"
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#elif defined(__m68k__)
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# define native_architecture() ARCHITECTURE_M68K
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# define LIB_ARCH_TUPLE "m68k-linux-gnu"
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#elif defined(__tilegx__)
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# define native_architecture() ARCHITECTURE_TILEGX
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# error "Missing LIB_ARCH_TUPLE for TILEGX"
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#elif defined(__cris__)
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# define native_architecture() ARCHITECTURE_CRIS
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# error "Missing LIB_ARCH_TUPLE for CRIS"
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#else
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# error "Please register your architecture here!"
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#endif
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#ifndef PROC_CPUINFO_MODEL
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#warning "PROC_CPUINFO_MODEL not defined for your architecture"
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#define PROC_CPUINFO_MODEL "model name"
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#endif
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const char *architecture_to_string(int a) _const_;
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int architecture_from_string(const char *s) _pure_;
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