src/kernel --> src/

src/userland/crt0.asm

@@ -0,0 +1,26 @@
+; Copyright (c) 2023-2026 Chris (boreddevnl)
+; This software is released under the GNU General Public License v3.0. See LICENSE file for details.
+; This header needs to maintain in any file it is present in, as per the GPL license terms.
+; userland/crt0.asm
+global _start
+extern main
+extern sys_exit
+
+section .text
+_start:
+    ; The kernel loads the ELF and jumps here.
+    ; RSP should point to the 0x800000 stack.
+
+    ; Align the stack to 16 bytes for C functions (System V ABI)
+    and rsp, -16
+
+    ; Call main(argc, argv)
+    call main
+
+    ; If main returns, call exit(status)
+    mov rdi, rax ; Pass main's return value to exit syscall
+    call sys_exit
+
+    ; Fallback halt if exit miraculously returns
+.hang:
+    jmp .hang