multi-core ARM configuration
Niels Möller
nisse at lysator.liu.se
Thu Oct 23 11:41:49 UTC 2014
Hannes Mehnert <hannes at mehnert.org> writes:
> I'm using gmp on ARM (AllWinner A20, which is a dual core A7).
> gmplib's config.guess doesn't handle multiple ARM CPUs. The attached
> patch fixes this (against 6.0.0a, but also applies to master).
How does it fail, and what does /proc/spuinfo look like? I've done some
gmp work on a pandboard with a dual core A9, without noticing any
problems.
On that board, I get only a single "CPU part" line though (see below).
Regards,
/Niels
nisse at arm:~$ cat /proc/cpuinfo
Processor : ARMv7 Processor rev 2 (v7l)
processor : 0
BogoMIPS : 599.22
processor : 1
BogoMIPS : 599.22
Features : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x1
CPU part : 0xc09
CPU revision : 2
Hardware : OMAP4 Panda board
Revision : 0020
Serial : 0000000000000000
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