Subversion Repositories aor3000

/* The code in this file is taken from the arch/mips/dec/wbflush.c.

 *

 * This file is subject to the terms and conditions of the GNU General Public

 * License.  See the file "COPYING" in the main directory of this archive

 * for more details.

 *

 * Copyright (C) 1998 Harald Koerfgen

 * Copyright (C) 2002 Maciej W. Rozycki

 * Copyright (C) 2014 Aleksander Osman

 */

#include <linux/init.h>

#include <asm/wbflush.h>

static void wbflush_r3000(void);

void (*__wbflush) (void);

void __init wbflush_setup(void)

{

        __wbflush = wbflush_r3000;

}

/*

 * For the aoR3000 the writeback buffer functions as part of Coprocessor 0.

 */

static void wbflush_r3000(void)

{

    asm(".set\tpush\n\t"

        ".set\tnoreorder\n\t"

        "1:\tbc0f\t1b\n\t"

        "nop\n\t"

        ".set\tpop");

}

#include <linux/module.h>

EXPORT_SYMBOL(__wbflush);