Is neon enabled in the kernel configuration? If the kernel is not configured for NEON, then the NEON instructions are disabled.
On 2 June 2016 at 21:32, Thomas <[email protected]> wrote: > > > On Monday, December 8, 2014 at 2:08:23 AM UTC-8, David wrote: >> >> >> I am poritng android 5.0 to our hardware. The boot is OK and we can boot >> into Launcher. >> >> Problem we have is when we execute some native program in console, kernel >> log show "undefined instruction" like: >> >> # /system/bin/wm >> [ 953.473988] app_process (1557): undefined instruction: pc=b6ab9848 >> [ 953.480384] Code: e320f000 e320f000 f26001f0 e12fff1e (ec510f1e) >> usage: wm [subcommand] [options] >> wm size [reset|WxH] >> wm density [reset|DENSITY] >> wm overscan [reset|LEFT,TOP,RIGHT,BOTTOM] >> >> >> After a short search, we find the code is in >> external/openssl/armv4cpuid.S >> >> #include "arm_arch.h" >> >> >> >> >> >> .text .code 32 >> >> >> >> >> >> .align 5 >> >> >> .global _armv7_neon_probe >> >> >> .type _armv7_neon_probe,%function >> >> >> _armv7_neon_probe: >> >> >> .byte 0xf0,0x01,0x60,0xf2 @ vorr q8,q8,q8 >> >> >> .byte 0x1e,0xff,0x2f,0xe1 @ bx lr >> >> >> .size _armv7_neon_probe,.-_armv7_neon_probe >> >> >> >> >> >> Our CPU is ARMv7 , this institution should be supported. Even we change >> this function to Android 4.4 version still get similar message. >> >> Any one have the same experience? >> >> Hello David, I am also having an issue with the undefined instruction > issue. When I try to start my phone it shows that endlessly and it is > currently at 400,000 > > -- > -- > unsubscribe: [email protected] > website: http://groups.google.com/group/android-porting > > --- > You received this message because you are subscribed to the Google Groups > "android-porting" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- Ben Dooks, http://www.fluff.org/ben/ [email protected] -- -- unsubscribe: [email protected] website: http://groups.google.com/group/android-porting --- You received this message because you are subscribed to the Google Groups "android-porting" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
