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From: Jeff Westfahl <jeff.westfahl@ni.com>
To: "Carsey, Jaben" <jaben.carsey@intel.com>
Cc: Jeff Westfahl <jeff.westfahl@ni.com>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
	"Ni, Ruiyu" <ruiyu.ni@intel.com>
Subject: Re: ShellPkg: Difference in behavior of 'dh' between old shell and new
Date: Thu, 4 May 2017 09:59:39 -0500	[thread overview]
Message-ID: <alpine.DEB.2.20.1705040958130.25612@jmw-lm181> (raw)
In-Reply-To: <CB6E33457884FA40993F35157061515C54C08ABC@FMSMSX103.amr.corp.intel.com>

Hi Jaben,

No PI protocols can be required means that I can try to use them? And 
gracefully handle the case where they aren't found?

Regards,
Jeff

On Wed, 19 Apr 2017, Carsey, Jaben wrote:

> That would be welcome; I don't know how it was missed.  A caveat is that the shell should use UEFI protocols only.  No PI protocols can be required (optional is ok).
>
> Only the specific output controlled by "-sfo" is severely constrained by the spec.
>
>> -----Original Message-----
>> From: Jeff Westfahl [mailto:jeff.westfahl@ni.com]
>> Sent: Wednesday, April 19, 2017 10:36 AM
>> To: edk2-devel@lists.01.org
>> Cc: Carsey, Jaben <jaben.carsey@intel.com>; Ni, Ruiyu <ruiyu.ni@intel.com>
>> Subject: [edk2] ShellPkg: Difference in behavior of 'dh' between old shell and
>> new
>> Importance: High
>>
>> I noticed a difference in behavior of 'dh' between the old shell and the new shell.
>> With the old shell, 'dh -v' for a LoadedImage handle shows the
>> following:
>>
>> Handle D3 (3A537F98)
>>     Image (3A532818)   File:MicrocodeUpdate
>>       ParentHandle..: 3A64F118
>>       SystemTable...: 3D2A8F18
>>       DeviceHandle..: 3B1B2098
>>       FilePath......: FvFile(F3331DE6-4A55-44E4-B767-7453F7A1A021)
>>       ImageBase.....: 3D650000 - 3D655540
>>       ImageSize.....: 5540
>>       CodeType......: RT_code
>>       DataType......: RT_data
>>
>> With the new shell, I get this for the same LoadedImage handle:
>>
>> D3: 3A537F98
>> LoadedImage
>>       Revision......: 0x00001000
>>       ParentHandle..: 3A64F118
>>       SystemTable...: 3D2A8F18
>>       DeviceHandle..: 3B1B2098
>>       FilePath......: 3A539018
>>       OptionsSize...: 0
>>       LoadOptions...: 0
>>       ImageBase.....: 3D650000
>>       ImageSize.....: 5540
>>       CodeType......: EfiRuntimeServicesCode
>>       DataType......: EfiRuntimeServicesData
>>       Unload........: 0
>>
>> The old shell shows the name of the file associated with the LoadedImage,
>> which seems like useful information. Is this omission intentional or an oversight?
>> Would a patch adding the file name to ShellPkg be welcomed?
>>
>> Regards,
>> Jeff
>


  reply	other threads:[~2017-05-04 14:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-19 17:36 ShellPkg: Difference in behavior of 'dh' between old shell and new Jeff Westfahl
2017-04-19 17:48 ` Carsey, Jaben
2017-05-04 14:59   ` Jeff Westfahl [this message]
2017-05-04 16:31     ` Carsey, Jaben

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