linux-kernel - [PATCH v2 0/3] tools/nolibc: add support for SuperH

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Message-Id: <20250623-nolibc-sh-v2-0-0f5b4b303025@weissschuh.net>
Date: Mon, 23 Jun 2025 23:15:51 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Yoshinori Sato <ysato@...rs.sourceforge.jp>, 
 Rich Felker <dalias@...c.org>, 
 John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>, 
 Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>
Cc: linux-sh@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 0/3] tools/nolibc: add support for SuperH

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.
Test instructions:
$ 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

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v2:
- Rebase onto latest nolibc-next
- Pick up Ack from Willy
- Provide some test instructions
- Link to v1: https://lore.kernel.org/r/20250609-nolibc-sh-v1-0-9dcdb1b66bb5@weissschuh.net

---
Thomas Weißschuh (3):
      selftests/nolibc: fix EXTRACONFIG variables ordering
      selftests/nolibc: use file driver for QEMU serial
      tools/nolibc: add support for SuperH

 tools/include/nolibc/arch-sh.h                 | 162 +++++++++++++++++++++++++
 tools/include/nolibc/arch.h                    |   2 +
 tools/testing/selftests/nolibc/Makefile.nolibc |  15 ++-
 tools/testing/selftests/nolibc/run-tests.sh    |   3 +-
 4 files changed, 177 insertions(+), 5 deletions(-)
---
base-commit: eb135311083100b6590a7545618cd9760d896a86
change-id: 20250528-nolibc-sh-8b4e3bb8efcb

Best regards,
-- 
Thomas Weißschuh <linux@...ssschuh.net>