OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [m68k/] [lib/] [semaphore.S] - Rev 1275

Go to most recent revision | Compare with Previous | Blame | View Log

/*
 *  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 SYMBOL_NAME(__down)
        movel (%sp)+,%a1
        moveml (%sp)+,%a0/%d0/%d1
        rts

ENTRY(__down_failed_interruptible)
        movel %a0,-(%sp)
        movel %d1,-(%sp)
        movel %a1,-(%sp)
        jbsr SYMBOL_NAME(__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 SYMBOL_NAME(__down_trylock)
        movel (%sp)+,%a1
        movel (%sp)+,%d1
        movel (%sp)+,%a0
        rts

ENTRY(__up_wakeup)
        moveml %a0/%d0/%d1,-(%sp)
        movel %a1,-(%sp)
        jbsr SYMBOL_NAME(__up)
        movel (%sp)+,%a1
        moveml (%sp)+,%a0/%d0/%d1
        rts

Go to most recent revision | Compare with Previous | Blame | View Log

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.