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Re: [Discuss-gnuradio] Volk: Am I getting all that's available for ARM?


From: Marcus Müller
Subject: Re: [Discuss-gnuradio] Volk: Am I getting all that's available for ARM?
Date: Wed, 07 Aug 2013 03:02:07 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130625 Thunderbird/17.0.7

On 08/07/2013 02:44 AM, Marcus Müller wrote:


[1] note: in kernel terms of auxvec.h this stands for AT_HWCAP, see 
http://lxr.free-electrons.com/source/include/uapi/linux/auxvec.h?a=arm#L24
How Volk handles it looks like AT_HWCAP can only start on a 4-byte-aligned 
address within auxv;
I'm absolutely not sure whether this is correct; on my x86_64 machine, there is 
no AT_HWCAP in that case.
decided to have a look into this instead of sleeping; man proc(5) and volk are 
right: AT_HWCAP can only occur every 64 bit in /proc/PID/auxv. Sorry for the 
confusion.



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