2 files changed, 23 insertions, 1 deletions
diff --git a/src/main.rs b/src/main.rs
index 716751a..029937f 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,7 +4,7 @@
 use core::panic::PanicInfo;
 
 #[no_mangle]
-pub extern "C" fn _start() -> ! {
+pub extern "C" fn pre_main() -> ! {
     loop {}
 }
 
diff --git a/src/start.s b/src/start.s
new file mode 100644
index 0000000..158feef
--- /dev/null
+++ b/src/start.s
@@ -0,0 +1,22 @@
+.cpu mpcore
+.section ".crt0","ax"
+
+.align 2
+.arm
+
+_start:
+    b pre_main
+
+.ascii "_prm"
+__service_ptr:
+    .word 0
+__apt_appid:
+    .word 0x300
+__heap_size:
+    .word 24*1024*1024
+__linear_heap_size:
+	.word 32*1024*1024
+__system_arglist:
+    .word 0
+__system_runflags:
+	.word 0