tree 8df7aa15f8dadbd0a512387994f8eca95588c3fd
parent 19c5699f9affbd6824f4db0e19fcdc9d609a5e6b
author Max Filippov <jcmvbkbc@gmail.com> 1619163284 -0700
committer Max Filippov <jcmvbkbc@gmail.com> 1646864195 -0800

xtensa: add kernel ABI selection to Kconfig

Add choice to use default or call0 ABI for the kernel code. If call0 ABI
is chosen add '-mabi=call0' to the flags. The toolchain support for this
option is rather new so only enable it when the compiler supports it.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>