tree 04db13d5c69d3566680f8bc005078470473273be
parent 2904f84e3c8bdd9f3df0415b5a02ab6bcc0ab05b
author Etienne Carriere <etienne.carriere@linaro.org> 1510145320 +0100
committer Etienne Carriere <etienne.carriere@linaro.org> 1510145320 +0100

ARMv7 target is driven by ARM_ARCH_MAJOR==7

External build environment shall sets directive ARM_ARCH_MAJOR to 7
to specify a target ARMv7-A core.

As ARM-TF expects AARCH to be set, ARM_ARCH_MAJOR==7 mandates
AARCH=aarch32.

The toolchain target architecture/cpu is delegated after the platform
configuration is parsed. Platform shall define target core through
ARM_CORTEX_A<x>=yes, <x> being 5, 7, 9, 12, 15 and/or 17.

Platform can bypass ARM_CORTEX_A<x>=yes directive and provide straight
the toolchain target directive through MARCH32_DIRECTIVE.

Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>