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- /*
- * linux/arch/m68k/lib/semaphore.S
- *
- * Copyright (C) 1996 Linus Torvalds
- *
- * m68k version by Andreas Schwab
- */
- #include <linux/linkage.h>
- #include <asm/semaphore.h>
- /*
- * The semaphore operations have a special calling sequence that
- * allow us to do a simpler in-line version of them. These routines
- * need to convert that sequence back into the C sequence when
- * there is contention on the semaphore.
- */
- ENTRY(__down_failed)
- moveml %a0/%d0/%d1,-(%sp)
- movel %a1,-(%sp)
- jbsr __down
- movel (%sp)+,%a1
- moveml (%sp)+,%a0/%d0/%d1
- rts
- ENTRY(__down_failed_interruptible)
- movel %a0,-(%sp)
- movel %d1,-(%sp)
- movel %a1,-(%sp)
- jbsr __down_interruptible
- movel (%sp)+,%a1
- movel (%sp)+,%d1
- movel (%sp)+,%a0
- 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
- ENTRY(__up_wakeup)
- moveml %a0/%d0/%d1,-(%sp)
- movel %a1,-(%sp)
- jbsr __up
- movel (%sp)+,%a1
- moveml (%sp)+,%a0/%d0/%d1
- rts
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