aboutsummaryrefslogtreecommitdiff
path: root/linux-user/uname.c
diff options
context:
space:
mode:
authorRiku Voipio <riku.voipio@linaro.org>2014-02-19 12:59:58 +0200
committerRiku Voipio <riku.voipio@linaro.org>2014-05-02 21:59:36 +0300
commit18cb008865d078c30f8efcd28c774788ae13d6a3 (patch)
tree4b8f59ecb7b76c080317a98f49f167a7cb0fed43 /linux-user/uname.c
parent7af03928b1194befa1ad12e25b0e53e6770ba18c (diff)
downloadqemu-18cb008865d078c30f8efcd28c774788ae13d6a3.zip
qemu-18cb008865d078c30f8efcd28c774788ae13d6a3.tar.gz
qemu-18cb008865d078c30f8efcd28c774788ae13d6a3.tar.bz2
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.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/linux-user/uname.c b/linux-user/uname.c
new file mode 100644
index 0000000..26e90e5
--- /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
+}