start: Fix arm stack alignment code to work for thumb too.

2024-08-29 16:07:46 +02:00
parent f021ad548f
commit 0ecc6332b4
1 changed files with 3 additions and 1 deletions
--- a/lib/std/start.zig
+++ b/lib/std/start.zig
@@ -283,7 +283,9 @@ fn _start() callconv(.Naked) noreturn {
            \\ mov fp, #0
            \\ mov lr, #0
            \\ mov a1, sp
-            \\ and sp, #-16
+            \\ mov ip, sp
+            \\ and ip, ip, #-16
+            \\ mov sp, ip
            \\ b %[posixCallMainAndExit]
            ,
            .csky =>