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Re: [openrisc] ORP and reset vector
I guess that field EPH (Exception Prefix High) should be set by hardware
when a reset ocurrs, so that exception vectors are searched for in memory
area starting at 0xF0000000. (Look page 27 in Architecture Manual).
Regards,
Mar�a Bolado
----- Original Message -----
From: "Sung-taek Lim" <[email protected]>
To: <[email protected]>
Sent: Tuesday, December 03, 2002 9:08 AM
Subject: [openrisc] ORP and reset vector
> Current ORP recommends mapping RAM to address 0x0.
> Then the reset vector at 0x100 belongs to RAM.
> How can I expect a valid instruction would exists
> there when I just turn the power on?
>
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