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From: Michael Tokarev <mjt@tls.msk.ru>
To: Aleksandar Ristovski <aristovski@qnx.com>, qemu-trivial@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-trivial] DBGAUTHSTATUS register
Date: Tue, 10 Jun 2014 19:54:15 +0400	[thread overview]
Message-ID: <53972A27.3010708@msgid.tls.msk.ru> (raw)
In-Reply-To: <5397292A.1090508@msgid.tls.msk.ru>

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.

Thanks,

/mjt




WARNING: multiple messages have this Message-ID (diff)
From: Michael Tokarev <mjt@tls.msk.ru>
To: Aleksandar Ristovski <aristovski@qnx.com>, qemu-trivial@nongnu.org
Cc: Peter Maydell <peter.maydell@linaro.org>,
	qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [Qemu-trivial] DBGAUTHSTATUS register
Date: Tue, 10 Jun 2014 19:54:15 +0400	[thread overview]
Message-ID: <53972A27.3010708@msgid.tls.msk.ru> (raw)
In-Reply-To: <5397292A.1090508@msgid.tls.msk.ru>

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.

Thanks,

/mjt

  reply	other threads:[~2014-06-10 15:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-05-29 17:32 [Qemu-trivial] DBGAUTHSTATUS register Aleksandar Ristovski
2014-06-10 15:50 ` Michael Tokarev
2014-06-10 15:50   ` [Qemu-devel] " Michael Tokarev
2014-06-10 15:54   ` Michael Tokarev [this message]
2014-06-10 15:54     ` Michael Tokarev

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