From 49f510d2d60129526832bfcd9c0f4049962bc80e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benedikt=20B=C3=B6hm?= <bb@xnull.de>
Date: Mon, 18 May 2009 20:53:42 +0200
Subject: move stuff around and create initial source structure

---
 src/emu/syscall.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 src/emu/syscall.h

(limited to 'src/emu/syscall.h')

diff --git a/src/emu/syscall.h b/src/emu/syscall.h
new file mode 100644
index 0000000..7c7265c
--- /dev/null
+++ b/src/emu/syscall.h
@@ -0,0 +1,16 @@
+#ifndef _SYSCALL_H
+#define _SYSCALL_H
+
+/* calling convention:
+ * - pass syscall number in GPR[1]
+ * - pass arguments in GPR[2]-GPR[9]
+ * - return code is passed in GPR[2]
+ */
+
+#define SYS_exit  0x00
+#define SYS_read  0x01
+#define SYS_write 0x02
+
+void do_syscall(void);
+
+#endif
-- 
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