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time stamp register

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antioche

Joined: 01 Mar 2006
Posts: 1

Posted: Wed Mar 01, 2006 5:20 pm Post subject: time stamp register

Is there a tilme stamp register on R5900 processor ? I have tried the classical mips instruction: __asm__ __volatile__("mfc0 %0,$9; nop" : "=r" (dest)) but I get only an illgal instruction. I dont have the Instruction set manual. Can someone help me ?

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cheriff
Regular

Joined: 23 Jun 2004
Posts: 262
Location: Sydney.au

Posted: Wed Mar 01, 2006 7:18 pm Post subject: Re: time stamp register

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antioche wrote:

Is there a tilme stamp register on R5900 processor ?

I have tried the classical mips instruction:

__asm__ __volatile__("mfc0 %0,$9; nop" : "=r" (dest))

but I get only an illgal instruction.

I dont have the Instruction set manual. Can someone help me ?

There are other threads that mention the asm to read the time stamp, but you may be interested on the EE's performance counters:
http://svn.ps2dev.org/listing.php?repname=ps2&path=%2Ftrunk%2Fps2Perf%2F&rev=0&sc=0
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