1 files changed, 67 insertions, 0 deletions

diff --git a/arch/m68knommu/lib/semaphore.S b/arch/m68knommu/lib/semaphore.S
new file mode 100644
index 000000000000..76765362fea6
--- /dev/null
+++ b/arch/m68knommu/lib/semaphore.S
@@ -0,0 +1,67 @@
+/*
+ *  linux/arch/m68k/lib/semaphore.S
+ *
+ *  Copyright (C) 1996  Linus Torvalds
+ *
+ *  m68k version by Andreas Schwab
+ *
+ *  MAR/1999 -- modified to support ColdFire (gerg@snapgear.com)
+ */
+
+#include <linux/linkage.h>
+#include <linux/config.h>
+#include <asm/semaphore.h>
+
+/*
+ * "down_failed" is called with the eventual return address
+ * in %a0, and the address of the semaphore in %a1. We need
+ * to increment the number of waiters on the semaphore,
+ * call "__down()", and then eventually return to try again.
+ */
+ENTRY(__down_failed)
+#ifdef CONFIG_COLDFIRE
+        subl #12,%sp
+        moveml %a0/%d0/%d1,(%sp)
+#else
+        moveml %a0/%d0/%d1,-(%sp)
+#endif
+        movel %a1,-(%sp)
+        jbsr __down
+        movel (%sp)+,%a1
+        movel (%sp)+,%d0
+        movel (%sp)+,%d1
+        rts
+
+ENTRY(__down_failed_interruptible)
+        movel %a0,-(%sp)
+        movel %d1,-(%sp)
+        movel %a1,-(%sp)
+        jbsr __down_interruptible
+        movel (%sp)+,%a1
+        movel (%sp)+,%d1
+        rts
+
+ENTRY(__up_wakeup)
+#ifdef CONFIG_COLDFIRE
+        subl #12,%sp
+        moveml %a0/%d0/%d1,(%sp)
+#else
+        moveml %a0/%d0/%d1,-(%sp)
+#endif
+        movel %a1,-(%sp)
+        jbsr __up
+        movel (%sp)+,%a1
+        movel (%sp)+,%d0
+        movel (%sp)+,%d1
+        rts
+
+ENTRY(__down_failed_trylock)
+        movel %a0,-(%sp)
+        movel %d1,-(%sp)
+        movel %a1,-(%sp)
+        jbsr __down_trylock
+        movel (%sp)+,%a1
+        movel (%sp)+,%d1
+        movel (%sp)+,%a0
+        rts
+