1 files changed, 39 insertions, 0 deletions
diff --git a/kernel/arch/cris/include/arch-v10/arch/system.h b/kernel/arch/cris/include/arch-v10/arch/system.h
new file mode 100644
index 000000000..9b5580f58
--- /dev/null
+++ b/kernel/arch/cris/include/arch-v10/arch/system.h
@@ -0,0 +1,39 @@
+#ifndef __ASM_CRIS_ARCH_SYSTEM_H
+#define __ASM_CRIS_ARCH_SYSTEM_H
+
+
+/* read the CPU version register */
+
+static inline unsigned long rdvr(void) {
+	unsigned char vr;
+	__asm__ volatile ("move $vr,%0" : "=rm" (vr));
+	return vr;
+}
+
+#define cris_machine_name "cris"
+
+/* read/write the user-mode stackpointer */
+
+static inline unsigned long rdusp(void) {
+	unsigned long usp;
+	__asm__ __volatile__("move $usp,%0" : "=rm" (usp));
+	return usp;
+}
+
+#define wrusp(usp) \
+	__asm__ __volatile__("move %0,$usp" : /* no outputs */ : "rm" (usp))
+
+/* read the current stackpointer */
+
+static inline unsigned long rdsp(void) {
+	unsigned long sp;
+	__asm__ __volatile__("move.d $sp,%0" : "=rm" (sp));
+	return sp;
+}
+
+static inline unsigned long _get_base(char * addr)
+{
+  return 0;
+}
+
+#endif