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User Commands isainfo(1)
NAME
isainfo - describe instruction set architectures
SYNOPSIS
isainfo [ [-v] [-b | -n | -k] | [-x]]
DESCRIPTION
The isainfo utility is used to identify various attributes
of the instruction set architectures supported on the
currently running system. Among the questions it can answer
are whether 64-bit applications are supported, or whether
the running kernel uses 32-bit or 64-bit device drivers.
When invoked with no options, isainfo prints the names of
the native instruction sets for applications supported by
the current version of the operating system. These are a
subset of the list returned by isalist(1). The subset
corresponds to the basic applications environments supported
by the currently running system.
OPTIONS
The following options are supported:
-b Prints the number of bits in the address space of
the native instruction set.
-k Prints the name of the instruction set(s) used by
the operating system kernel components such as dev-
ice drivers and STREAMS modules.
-n Prints the name of the native instruction set used
by portable applications supported by the current
version of the operating system.
-v When used with the -b, -k or -n options, prints
more detailed information.
-x Prints instruction extensions to the native ABI
which are supported by the platform.
EXAMPLES
SunOS 5.10 Last change: 20 Jul 2004 1
User Commands isainfo(1)
Example 1: Invoking isainfo on a 32-bit x86 Platform
The following example invokes isainfo on a 32-bit x86 plat-
form:
example% isainfo -v
32-bit i386 applications
example% isainfo -k
i386
Example 2: Invoking isainfo on a System Running the 64-bit
Operating System on a 64-bit SPARC Processor
The following example invokes isainfo on a system running
the 64-bit operating system on a 64-bit SPARC processor:
example% isainfo
sparcv9 sparc
example% isainfo -n
sparcv9
example% isainfo -v
64-bit sparcv9 applications
32-bit sparc applications
example% isainfo -vk
64-bit sparcv9 kernel modules
Example 3: Invoking isainfo -x on an AMD Opteron CPU
The following example invokes isainfo with the -x option on
an AMD Opteron CPU:
example% isainfo -x
i386: fpu tsc cx8 sep cmov mmx ammx a3dnow a3dnowx fxsr sse sse2 pause
EXIT STATUS
Non-zero Options are not specified correctly, or the
command is unable to recognize attributes of
the system on which it is running. An error
message is printed to stderr.
ATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes:
SunOS 5.10 Last change: 20 Jul 2004 2
User Commands isainfo(1)
____________________________________________________________
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
|_____________________________|_____________________________|
| Availability | SUNWcsu |
|_____________________________|_____________________________|
SEE ALSO
isalist(1), uname(1), psrinfo(1M), sysinfo(2), attri-
butes(5), isalist(5)
SunOS 5.10 Last change: 20 Jul 2004 3
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Wed Sep 12 11:24:58 GMT 2007
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