linux-kernel - [PATCH v3 0/4] tools/nolibc: MIPS: entrypoint cleanups and N32/N64 ABIs

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Message-Id: <20250623-nolibc-mips-n32-v3-0-6ae2d89f4259@weissschuh.net>
Date: Mon, 23 Jun 2025 23:25:35 +0200
From: Thomas Weißschuh <linux@...ssschuh.net>
To: Willy Tarreau <w@....eu>, Shuah Khan <shuah@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 "Maciej W. Rozycki" <macro@...am.me.uk>
Cc: Sebastian Andrzej Siewior <sebastian@...akpoint.cc>, 
 linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
 linux-mips@...r.kernel.org, 
 Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v3 0/4] tools/nolibc: MIPS: entrypoint cleanups and N32/N64
 ABIs

Introduce support for the N32 and N64 ABIs. As preparation, the
entrypoint is first simplified significantly. Thanks to Maciej for all
the valuable information.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
Changes in v3:
- Rebase onto latest nolibc-next
- Link to v2: https://lore.kernel.org/r/20250225-nolibc-mips-n32-v2-0-664b47d87fa0@weissschuh.net

Changes in v2:
- Clean up entrypoint first
- Annotate #endifs
- Link to v1: https://lore.kernel.org/r/20250212-nolibc-mips-n32-v1-1-6892e58d1321@weissschuh.net

---
Thomas Weißschuh (4):
      tools/nolibc: MIPS: drop $gp setup
      tools/nolibc: MIPS: drop manual stack pointer alignment
      tools/nolibc: MIPS: drop noreorder option
      tools/nolibc: MIPS: add support for N64 and N32 ABIs

 tools/include/nolibc/arch-mips.h               | 117 +++++++++++++++++++------
 tools/testing/selftests/nolibc/Makefile.nolibc |  26 ++++++
 tools/testing/selftests/nolibc/run-tests.sh    |   2 +-
 3 files changed, 117 insertions(+), 28 deletions(-)
---
base-commit: eb135311083100b6590a7545618cd9760d896a86
change-id: 20231105-nolibc-mips-n32-234901bd910d

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