man/man1m/ucodeadm.1m

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 UCODEADM 1M "Jul 10, 2007"
 NAME
ucodeadm - update processor microcode
 SYNOPSIS

/usr/sbin/ucodeadm -v


/usr/sbin/ucodeadm -umicrocode-text-file


/usr/sbin/ucodeadm -i [-R path] microcode-text-file


 DESCRIPTION

The ucodeadm utility can be used to report running microcode revision on
the processors, update microcode, or install microcode on the target system to
be used during the boot process.

The microcode-text-file can be obtained from processor vendors.
 OPTIONS
-v

Report microcode revision.


-u microcode-text-file

Update microcode on all cross-call interrupt ready processors.


-i microcode-text-file

Install microcode files on target system to be used during the next boot
cycle. The text file name must have the vendor name prefix, such as
"intel" or "amd".
By default the microcode files will be installed at:
 /platform/i86pc/ucode/$VENDORSTR/


where VENDORSTR is either "GenuineIntel" or "AuthenticAMD".


-R alternate path

Install microcode path in the alternate path.


 EXAMPLES

Example 1 Reporting the Microcode Revision

The following example displays the microcode revision that is currently
running:

# ucodeadm -v


Example 2 Updating the Processor Microcode

The following example updates the processor microcode to intel-ucode.txt:

# ucodeadm -u intel-ucode.txt


Example 3 Installing the Microcode on the Target System

The following example installs the microcode on the target system,
/export/ucode-path:

# ucodeadm -i -R /export/ucode-path intel-ucode.txt


If an alternate path is used when installing the microcode on the target
system, the installed microcode file is not used on the next boot cycle.

 EXIT STATUS

The following exit values are returned:
0

Successful completion.


>0

An error occurred.


 ATTRIBUTES

See attributes(5) for descriptions of the following attributes:


ATTRIBUTE TYPE ATTRIBUTE VALUE
Interface Stability Stable


 SEE ALSO

psradm(1M), psrinfo(1M), attributes(5)