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author | Riku Voipio <riku.voipio@linaro.org> | 2014-02-19 12:59:58 +0200 |
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committer | Riku Voipio <riku.voipio@linaro.org> | 2014-05-02 21:59:36 +0300 |
commit | 18cb008865d078c30f8efcd28c774788ae13d6a3 (patch) | |
tree | 4b8f59ecb7b76c080317a98f49f167a7cb0fed43 /linux-user/uname.c | |
parent | 7af03928b1194befa1ad12e25b0e53e6770ba18c (diff) |
linux-user: rename cpu-uname -> uname
To move more uname related functions out of syscall.c,
rename cpu-uname.{c,h} to uname.{c.h}
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user/uname.c')
-rw-r--r-- | linux-user/uname.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/linux-user/uname.c b/linux-user/uname.c new file mode 100644 index 0000000000..26e90e5792 --- /dev/null +++ b/linux-user/uname.c @@ -0,0 +1,72 @@ +/* + * cpu to uname machine name map + * + * Copyright (c) 2009 Loïc 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 "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) +{ +#if defined(TARGET_ARM) && !defined(TARGET_AARCH64) + + /* 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() + */ + + /* 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 */ + CPUState *cpu = ENV_GET_CPU((CPUX86State *)cpu_env); + int family = object_property_get_int(OBJECT(cpu), "family", NULL); + 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 +} |