mirror of
https://github.com/xemu-project/xemu.git
synced 2024-11-30 15:00:34 +00:00
73 lines
2.5 KiB
C
73 lines
2.5 KiB
C
|
/*
|
|||
|
|
* cpu to uname machine name map
|
|||
|
|
*
|
|||
|
|
* Copyright (c) 2009 Lo<EFBFBD>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
|
|||
|
|
}
|