Re: [dpdk-dev] [PATCH v3 6/6] test: add checks for cpu flags on armv8

[Jan Viktorin <viktorin@rehivetech.com>]

On Mon, 2 Nov 2015 10:47:53 +0000
"Hunt, David" <david.hunt@intel.com> wrote:

> On 02/11/2015 06:32, Jerin Jacob wrote:
> > On Fri, Oct 30, 2015 at 04:28:25PM +0000, Hunt, David wrote:  
> 
> --snip--
> 
> >
> > Hi Jan and Dave,
> >
> > I have reviewed your patches for arm[64] support. Please check the
> > review comments.  
> 
--snip--
> > In order to debug this, Could provide the following
> > values in tested armv8 platform. Look like its running 32bit compatible
> > mode in your environment  
> 
> I'm using a Gigabyte MP30AR0 motherboard with an 8-core X-Gene, Running 
> a 4.3.0-rc6 kernel.
> Here's the information on the cpu_flags issue you requested:
> 
--snip--
> 
> root@mp30ar0:~#
> 
> Hope this helps.
> 
> Regards,
> Dave.
> 

My few bits to compare to ARMv7. There is AT_PLATFORM=v7l (and no
aarch32), this is probably to be fixed...

Altera SoC FPGA:

# LD_SHOW_AUXV=1 sleep 1
AT_HWCAP:    swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
AT_PAGESZ:       4096
AT_CLKTCK:       100
AT_PHDR:         0x10034
AT_PHENT:        32
AT_PHNUM:        8
AT_BASE:         0x76fd3000
AT_FLAGS:        0x0
AT_ENTRY:        0x149d9
AT_UID:          0
AT_EUID:         0
AT_GID:          0
AT_EGID:         0
AT_SECURE:       0
AT_RANDOM:       0x7ebbcf2f
AT_EXECFN:       /bin/sleep
AT_PLATFORM:     v7l

# cat /proc/cpuinfo
processor       : 0
model name      : ARMv7 Processor rev 0 (v7l)
Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3
tls vfpd32 CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x3
CPU part        : 0xc09
CPU revision    : 0

processor       : 1
model name      : ARMv7 Processor rev 0 (v7l)
Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3
tls vfpd32 CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x3
CPU part        : 0xc09
CPU revision    : 0

Hardware        : Altera SOCFPGA
Revision        : 0000
Serial          : 0000000000000000


Odroid XU4:

# LD_SHOW_AUXV=1 sleep 1
AT_HWCAP:    swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
AT_PAGESZ:       4096
AT_CLKTCK:       100
AT_PHDR:         0x10034
AT_PHENT:        32
AT_PHNUM:        9
AT_BASE:         0xb6f8c000
AT_FLAGS:        0x0
AT_ENTRY:        0x11191
AT_UID:          1000
AT_EUID:         1000
AT_GID:          1000
AT_EGID:         1000
AT_SECURE:       0
AT_RANDOM:       0xbec42ed6
AT_EXECFN:       /bin/sleep
AT_PLATFORM:     v7l

# cat /proc/cpuinfo
Processor       : ARMv7 Processor rev 1 (v7l)
processor       : 0
BogoMIPS        : 3.07

processor       : 1
BogoMIPS        : 3.07

processor       : 2
BogoMIPS        : 3.07

processor       : 3
BogoMIPS        : 3.07

Features        : swp half thumb fastmult vfp edsp neon vfpv3 tls vfpv4
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc05
CPU revision    : 1

Hardware        : ODROIDC
Revision        : 000a
Serial          : 1b00000000000000

-- 
   Jan Viktorin                  E-mail: Viktorin@RehiveTech.com
   System Architect              Web:    www.RehiveTech.com
   RehiveTech
   Brno, Czech Republic