5710 2014-01-09 16:01:02 +0000 Add Cortex A7 support for "neon-vfpv4" 2015-10-06 13:57:39 +0000 1 1 7 Build System, Metadata & Runtime OE-Core configuration unspecified Other arm RESOLVED FIXED Low enhancement Future 1 krirobo krirobo bluelightning Martin.Jansa --- --- No (bug/feature does not impact docs) oldest_to_newest 39715 0 krirobo 2014-01-09 16:01:02 +0000 Current tune-cortexa7.inc file [1] does not support a tuning option for '-mfpu=neon-vfpv4' (see [2] for more information on ARM compiler options). Would it be possible to add this option? My specific use case is a Cubieboard2 hardware, but this should be beneficial to the broader Cortex A7 community as well. OpenEmbedded layer for this hardware is meta-sunxi ([3]). Also, some related information can be found here: [4] Thanks, Kristof [1] https://github.com/openembedded/oe-core/blob/master/meta/conf/machine/include/tune-cortexa7.inc [2] http://gcc.gnu.org/onlinedocs/gcc/ARM-Options.html [3] https://github.com/linux-sunxi/meta-sunxi [4] https://wiki.linaro.org/WorkingGroups/ToolChain/FAQ#Does_Linaro_GCC_toolchain_support_Cortex-A7_along_with_NEONv2_.26_VFPv4.3F 39866 1 richard.purdie 2014-01-16 15:37:54 +0000 The best way to handle this is to propose a patch. I don't know if this is a feature all A7 cores have or not but it would seem reasonable to make the tune available in some form. I'm assigning it to you to generate a patch and send it for review. 40168 2 krirobo 2014-02-03 17:29:45 +0000 Closed with http://git.yoctoproject.org/cgit.cgi/poky/commit/?id=e65422f0f79d6069a3312cb4a3d110ec809017ad 54990 3 Martin.Jansa 2015-10-06 13:16:31 +0000 Why was this added only to hf tunes and only for A7 (not A15 and A17 which should also support this?) 54991 4 krirobo 2015-10-06 13:40:02 +0000 Reason is simply that this patch was driven by a need on the Cubieboard2 hardware, and that I have very little knowledge and no experience beyond this hardware. This probably could indeed be extended to other flavours as well. 54992 5 Martin.Jansa 2015-10-06 13:57:39 +0000 I've sent patch to extend this: http://lists.openembedded.org/pipermail/openembedded-core/2015-October/111318.html