From 1d60a5e41da2c2a0f69ccbb11760918ee678a3fb Mon Sep 17 00:00:00 2001
From: pjht <pterpstra@pterpstra.com>
Date: Thu, 21 Mar 2024 08:37:17 -0500
Subject: [PATCH] Add process startup code

---
 start.68k | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 start.68k

diff --git a/start.68k b/start.68k
new file mode 100644
index 0000000..fc998f9
--- /dev/null
+++ b/start.68k
@@ -0,0 +1,19 @@
+  ifnd __FREESTANDING
+  xref main
+  include include/syscalls.i
+  section .text, text
+  public _start
+  _start:
+  move.l #__libstd_start_stack_top, a7
+  ; set up a permanent stack
+  move.l #2, d0
+  move.l #$2, d1
+  jsr syscall_vmem_map_free
+  adda.l #(2*4096), a0
+  move.l a0, a7
+  jsr main
+  jsr syscall_exit
+  section .bss,bss
+__libstd_start_stack: ds.w 16
+__libstd_start_stack_top:
+  endif