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From: guy@gorodish.UUCP
Newsgroups: comp.unix.wizards
Subject: Re: String Handling and run-time libraries
Message-ID: <16171@sun.uucp>
Date: Sat, 4-Apr-87 00:52:10 EST
Article-I.D.: sun.16171
Posted: Sat Apr  4 00:52:10 1987
Date-Received: Sun, 5-Apr-87 09:44:36 EST
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Reply-To: guy@sun.UUCP (Guy Harris)
Organization: Sun Microsystems, Mountain View
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>I seem to remember for freshman days that there are registers (other than
>R0 -> R15 that contain the information about your CPU type.

Only one such register: the System Identification Register.  It is
one of a series of "processor registers" that can be accessed using
the Move From Processor Register or Move To Processor Register
instructions...

>Maybe some of them can be accessed in USER mode...

but not from user mode.  MFPR and MTPR are privileged instructions.