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Re: [Qemu-devel] [PATCH 1/5] target-tile: Firstly add to qemu with minim

From: Chen Gang S
Subject: Re: [Qemu-devel] [PATCH 1/5] target-tile: Firstly add to qemu with minimized features
Date: Tue, 17 Feb 2015 10:03:10 +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 08:29, Chris Metcalf wrote:
> Yes, I think there is a bit less documentation on tilegx SPRs available.
> If this becomes a blocker for you, let me know and I will see if there is 
> anything
> we can do about it.  Probably best to wait until you have made more progress
> on qemu before trying to make a case for it internally, though.

OK, thanks.

> On 2/15/2015 10:40 PM, Chen Gang S wrote:
>> Excuse me, I want to consult the related information about SPR.
>> For SPRs (Special Purpose Register) under tilegx, I can not get related
>> documents (I only got the tilepro related document for SPR). After read
>> through the source code of Linux kernel for tile, I guess:
>>   - SPRs are in "arch/tile/include/uapi/arch/spr_def_64.h".
>>   - SPRs are all 64-bit registers (I referenced the 'interrupt_mask' and
>>     CHIP_HAS_SPLIT_INTR_MASK to know about it).
>> If what I guess is incorrect, please let me know. And welcome to provide
>> tilegx SPR related documents, too.

Chen Gang

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