/* * cpu to uname machine name map * * Copyright (c) 2009 Lo�c Minier * * 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; either version 2 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #include <stdio.h> #include "qemu.h" //#include "qemu-common.h" #include "cpu-uname.h" /* return highest utsname machine name for emulated instruction set * * NB: the default emulated CPU ("any") might not match any existing CPU, e.g. * on ARM it has all features turned on, so there is no perfect arch string to * return here */ const char *cpu_to_uname_machine(void *cpu_env) { #ifdef TARGET_ARM /* utsname machine name on linux arm is CPU arch name + endianness, e.g. * armv7l; to get a list of CPU arch names from the linux source, use: * grep arch_name: -A1 linux/arch/arm/mm/proc-*.S * see arch/arm/kernel/setup.c: setup_processor() * * to test by CPU id, compare cpu_env->cp15.c0_cpuid to ARM_CPUID_* * defines and to test by CPU feature, use arm_feature(cpu_env, * ARM_FEATURE_*) */ /* in theory, endianness is configurable on some ARM CPUs, but this isn't * used in user mode emulation */ #ifdef TARGET_WORDS_BIGENDIAN #define utsname_suffix "b" #else #define utsname_suffix "l" #endif if (arm_feature(cpu_env, ARM_FEATURE_V7)) return "armv7" utsname_suffix; if (arm_feature(cpu_env, ARM_FEATURE_V6)) return "armv6" utsname_suffix; /* earliest emulated CPU is ARMv5TE; qemu can emulate the 1026, but not its * Jazelle support */ return "armv5te" utsname_suffix; #elif defined(TARGET_X86_64) return "x86-64"; #elif defined(TARGET_I386) /* see arch/x86/kernel/cpu/bugs.c: check_bugs(), 386, 486, 586, 686 */ uint32_t cpuid_version = ((CPUX86State *)cpu_env)->cpuid_version; int family = ((cpuid_version >> 8) & 0x0f) + ((cpuid_version >> 20) & 0xff); if (family == 4) return "i486"; if (family == 5) return "i586"; return "i686"; #else /* default is #define-d in each arch/ subdir */ return UNAME_MACHINE; #endif }