From 47c0464e860486150942b73a78529805d4f320b5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= <alex@alexrp.com>
Date: Wed, 24 Jul 2024 17:41:18 +0200
Subject: [PATCH] start: Explicitly clear the link register on mips and mips64
 just in case.

The kernel does this as required, but we cannot trust dynamic linkers to do it.
---
 lib/std/start.zig | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/std/start.zig b/lib/std/start.zig
index 78a2c9e496..b53f2258e1 100644
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -329,8 +329,8 @@ fn _start() callconv(.Naked) noreturn {
             \\ jsr (%%pc, %%a0)
             ,
             .mips, .mipsel =>
-            // The lr is already zeroed on entry, as specified by the ABI.
-            \\ addiu $fp, $zero, 0
+            \\ move $fp, $0
+            \\ move $ra, $0
             \\ move $a0, $sp
             \\ .set push
             \\ .set noat
@@ -340,8 +340,8 @@ fn _start() callconv(.Naked) noreturn {
             \\ j %[posixCallMainAndExit]
             ,
             .mips64, .mips64el =>
-            // The lr is already zeroed on entry, as specified by the ABI.
-            \\ addiu $fp, $zero, 0
+            \\ move $fp, $0
+            \\ move $ra, $0
             \\ move $a0, $sp
             \\ .set push
             \\ .set noat