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Re: [Qemu-trivial] DBGAUTHSTATUS register

From: Michael Tokarev
Subject: Re: [Qemu-trivial] DBGAUTHSTATUS register
Date: Tue, 10 Jun 2014 19:54:15 +0400
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Icedove/24.5.0

10.06.2014 19:50, Michael Tokarev wrote:
> 29.05.2014 21:32, Aleksandar Ristovski wrote:
>> Hello,
>> This is not a big issue: DBGAUTHSTATUS, according to the docs, should exist. 
>> According to "ARM Architecture Reference Manual, ARMv7-A and ARMv7-R 
>> edition" (DDI0406C_b_arm_architecture_reference_manual.pdf), DBGAUTHSTATUS 
>> is required in all implementations. Reading it should be permitted, even if 
>> as RAZ only (implying no features are implemented/enabled).
>> This trivial patch defines cp14 register DBGAUTHSTATUS.
> While the patch appears to be trivial, I had to grab the above mentioned ARM 
> manual
> and read a bit from there.  Unfortunately, since I don't have any prior 
> knowlege
> about this stuff, at all, I still have to accept for granted that it is the 
> right
> thing to do.  Maybe it is better to route this to the ARM maintainer instead
> (Cc'ed) ?

Also, this patch does not have the Signed-off-by line.



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