PPC: Fix rldcl
[qemu/agraf.git] / linux-user / cpu-uname.c
blob59cd6477d5ffeaacf22f5675055c7d5370078e27
1 /*
2 * cpu to uname machine name map
4 * Copyright (c) 2009 Loïc Minier
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
20 #include <stdio.h>
22 #include "qemu.h"
23 //#include "qemu-common.h"
24 #include "cpu-uname.h"
26 /* return highest utsname machine name for emulated instruction set
28 * NB: the default emulated CPU ("any") might not match any existing CPU, e.g.
29 * on ARM it has all features turned on, so there is no perfect arch string to
30 * return here */
31 const char *cpu_to_uname_machine(void *cpu_env)
33 #ifdef TARGET_ARM
34 /* utsname machine name on linux arm is CPU arch name + endianness, e.g.
35 * armv7l; to get a list of CPU arch names from the linux source, use:
36 * grep arch_name: -A1 linux/arch/arm/mm/proc-*.S
37 * see arch/arm/kernel/setup.c: setup_processor()
40 /* in theory, endianness is configurable on some ARM CPUs, but this isn't
41 * used in user mode emulation */
42 #ifdef TARGET_WORDS_BIGENDIAN
43 #define utsname_suffix "b"
44 #else
45 #define utsname_suffix "l"
46 #endif
47 if (arm_feature(cpu_env, ARM_FEATURE_V7))
48 return "armv7" utsname_suffix;
49 if (arm_feature(cpu_env, ARM_FEATURE_V6))
50 return "armv6" utsname_suffix;
51 /* earliest emulated CPU is ARMv5TE; qemu can emulate the 1026, but not its
52 * Jazelle support */
53 return "armv5te" utsname_suffix;
54 #elif defined(TARGET_X86_64)
55 return "x86-64";
56 #elif defined(TARGET_I386)
57 /* see arch/x86/kernel/cpu/bugs.c: check_bugs(), 386, 486, 586, 686 */
58 uint32_t cpuid_version = ((CPUX86State *)cpu_env)->cpuid_version;
59 int family = ((cpuid_version >> 8) & 0x0f) + ((cpuid_version >> 20) & 0xff);
60 if (family == 4)
61 return "i486";
62 if (family == 5)
63 return "i586";
64 return "i686";
65 #else
66 /* default is #define-d in each arch/ subdir */
67 return UNAME_MACHINE;
68 #endif