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

From: Thomas Weißschuh
Date: Mon Jun 23 2025 - 17:25:55 EST


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@xxxxxxxxxxxxxx>
---
Changes in v3:
- Rebase onto latest nolibc-next
- Link to v2: https://lore.kernel.org/r/20250225-nolibc-mips-n32-v2-0-664b47d87fa0@xxxxxxxxxxxxxx

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

---
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@xxxxxxxxxxxxxx>