From 33613a85afc4b1481367fbe92a17ee59c240250b Mon Sep 17 00:00:00 2001
From: Sven Eisenhauer <sven@sven-eisenhauer.net>
Date: Fri, 10 Nov 2023 15:11:48 +0100
Subject: add new repo

---
 .../ARM202U/EXAMPLES/REENT/MAIN.S                  | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/REENT/MAIN.S

(limited to 'Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/REENT/MAIN.S')

diff --git a/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/REENT/MAIN.S b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/REENT/MAIN.S
new file mode 100644
index 0000000..552f24d
--- /dev/null
+++ b/Bachelor/Mikroprozessorsysteme2/ARM202U/EXAMPLES/REENT/MAIN.S
@@ -0,0 +1,26 @@
+        EXPORT  __main
+        IMPORT  main
+        IMPORT  |sb$$interLUdata$$Base|
+
+SWI_GetEnv  *       &10
+SWI_Exit    *       &11
+
+        AREA |StartupCode|, CODE, READONLY, REENTRANT
+
+;
+; This is the initial entry point to the image.
+; (The compiler ensures it is linked in to the image by generating a reference
+;  to __main from the object module generated from compiling a file containing
+;  an  extern main()).
+        ENTRY
+
+; We have to establish a stack for C, initialise the library, then call _main
+; (which will set up the arguments for main, then call it).
+|__main|
+        LDR     r9, =|sb$$interLUdata$$Base|
+        SWI     SWI_GetEnv              ; to decide heap limit
+        MOV     r13, r1                 ; top of program workspace
+        BL      |main|
+        SWI     SWI_Exit
+
+        END
-- 
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