[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 1/6 v2] target-tilegx: Firstly add to qemu with

From: Chen Gang S
Subject: Re: [Qemu-devel] [PATCH 1/6 v2] target-tilegx: Firstly add to qemu with minimized features
Date: Tue, 17 Feb 2015 10:05:06 +0800
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 2/17/15 08:28, Chris Metcalf wrote:
> On 2/16/2015 5:51 PM, Chen Gang S wrote:
>> And excuse me, I still want to know, is there a real world register as a
>> PC register for tile (e.g. just like 'rip' for x86_64) which can be used
>> by software programer? (is it in SPR?)
> There is no register you can read that holds the current PC.  You can
> issue a "lnk REG" instruction to load the address of the following register
> into register REG.  And if you have interrupted the machine execution
> with an interrupt or fault, you will find the interrupted address in an SPR.
> But the current PC is not otherwise accessible.

OK, thanks.

Chen Gang

Open, share, and attitude like air, water, and life which God blessed

reply via email to

[Prev in Thread] Current Thread [Next in Thread]