1 files changed, 69 insertions, 0 deletions
diff --git a/libgloss/msp430/nosyscalls.S b/libgloss/msp430/nosyscalls.S
new file mode 100644
index 000000000..abb01b03e
--- /dev/null
+++ b/libgloss/msp430/nosyscalls.S
@@ -0,0 +1,69 @@
+/* Copyright (c) 2012, 2013 Red Hat, Inc. All rights reserved.
+
+   This copyrighted material is made available to anyone wishing to use, modify,
+   copy, or redistribute it subject to the terms and conditions of the BSD
+   License.   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties
+   of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  A copy of this license
+   is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
+   are incorporated in the source code or documentation are not subject to the BSD
+   License and may only be used or replicated with the express permission of
+   Red Hat, Inc.
+*/
+
+/* Empty syscall definitions for when we run on real hardware.  */
+
+#include "../syscall.h"
+#include "memmodel.h"
+	
+#define ENOSYS 88
+
+.macro	sc,a
+	sc2 \a,\a
+.endm
+	
+.macro	sc2,name,num
+	.weak	\name
+	.global	\name
+\name:
+        call_   #__errno                 
+        movx_   #ENOSYS, @R12                
+	MOV.W	#-1,R12
+	ret_
+.endm
+
+	.weak	exit
+	.weak	_exit
+	.global	exit
+	.global	_exit
+exit:
+_exit:
+	/* For some reason, the board fails to stop at a breakpoint
+	   placed on top of a software breakpoint instruction.  */
+/*	MOV.B	#0,R3		; this is a software breakpoint instruction */
+1:	br_	#1b
+
+#define SC(n) sc2 n,SYS_##n
+
+	SC (open)
+	SC (close)
+	SC (read)
+/*	SC (write)*/
+	SC (fstat)
+	SC (lseek)
+	SC (kill)
+
+	.weak	isatty
+	.global	isatty
+isatty:
+	.weak	_isatty
+	.global	_isatty
+_isatty:
+	MOV	#1,R12
+	ret_
+	
+	.weak	getpid
+	.global	getpid
+getpid:
+	MOV	#42,R12
+	ret_