1 files changed, 61 insertions, 0 deletions
diff --git a/newlib/libc/machine/crx/sys/syscall.h b/newlib/libc/machine/crx/sys/syscall.h
new file mode 100644
index 000000000..f775fbb54
--- /dev/null
+++ b/newlib/libc/machine/crx/sys/syscall.h
@@ -0,0 +1,61 @@
+/* syscall.h -- CRX virtual I/O and trap service codes
+ *
+ * Copyright (c) 2004 National Semiconductor Corporation
+ *
+ * The authors hereby grant permission to use, copy, modify, distribute,
+ * and license this software and its documentation for any purpose, provided
+ * that existing copyright notices are retained in all copies and that this
+ * notice is included verbatim in any distributions. No written agreement,
+ * license, or royalty fee is required for any of the authorized uses.
+ * Modifications to this software may be copyrighted by their authors
+ * and need not follow the licensing terms described here, provided that
+ * the new terms are clearly indicated on the first page of each file where
+ * they apply.
+ */
+
+#ifndef _SYSCALL_H
+#define _SYSCALL_H
+
+#include <sys/asm.h>
+
+/* SVC codes to pass to the debugger */
+
+/* Virtual I/O services */
+#define SVC_OPEN	0x401
+#define SVC_CLOSE	0x402
+#define SVC_READ	0x403
+#define SVC_WRITE	0x404
+#define SVC_LSEEK	0x405
+#define SVC_RENAME	0x406
+#define SVC_UNLINK	0x407
+#define SVC_GETENV	0x408
+
+/* Time service */
+#define SVC_TIME        0x300
+
+/* Start/end of program services */
+#define SVC_EOP		0x410
+
+/* Trap services */
+#define SVC_SVC		0x505
+#define SVC_DVZ		0x506
+#define SVC_FLG		0x507
+#define SVC_UND		0x50a
+#define SVC_IAD		0x50c
+
+
+/* Places the code of the requested service in R0, then transfers control
+   to the debugger using the BPT exception.
+   It is called from the start routine, VIO functions and the trap
+   handlers.  */
+
+#define STRINGIFY(x)	#x
+#define HOST_SERVICE(service) \
+  do { \
+    __asm__("movd\t$" STRINGIFY(service) ",r0"); \
+    _excp_(bpt); \
+    __asm__(".short\t0xFFFF"); \
+  } while (0)
+
+#endif  /* _SYSCALL_H */
+