Hi Rob, On 2025-06-24 21:41:14-0500, Rob Landley wrote: > On 6/9/25 04:28, Thomas Weißschuh wrote: > > Add support for SuperH/"sh" to nolibc. > > Only sh4 is tested for now. > > > > This is only tested on QEMU so far. > > Additional testing would be very welcome. > > I ran this by Jeff Dionne (the j-core architect) who said: > > > Looks correct to me. There are no endian assumptions that I can see. > > So you can put > > Acked-by: Rob Landley <r...@landley.net> > Acked-by: D. Jeff Dionne <j...@coresemi.io>
Thanks! > But neither of us really have a build environment set up to do much with it. > Is there a howto for this, or is just to run the kernel tests? v2 of the series [0] has some test instructions. These should also work with v1, except that "-f Makefile.nolibc" needs to be removed. $ cd tools/testings/selftests/nolibc/ $ make -f Makefile.nolibc ARCH=sh CROSS_COMPILE=sh4-linux- nolibc-test $ file nolibc-test nolibc-test: ELF 32-bit LSB executable, Renesas SH, version 1 (SYSV), statically linked, not stripped $ ./nolibc-test Running test 'startup' 0 argc = 1 [OK] ... Total number of errors: 0 Exiting with status 0 [0] https://lore.kernel.org/lkml/20250623-nolibc-sh-v2-0-0f5b4b303...@weissschuh.net/