kernel-fxtec-pro1x/arch/m32r/include/asm/dcache_clear.h
David Howells c9034c3a1d Disintegrate asm/system.h for M32R
Disintegrate asm/system.h for M32R.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-m32r@ml.linux-m32r.org
2012-03-28 18:30:02 +01:00

29 lines
1 KiB
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) 2001 Hiroyuki Kondo, Hirokazu Takata, and Hitoshi Yamamoto
* Copyright (C) 2004, 2006 Hirokazu Takata <takata at linux-m32r.org>
*/
#ifndef _ASM_M32R_DCACHE_CLEAR_H
#define _ASM_M32R_DCACHE_CLEAR_H
#ifdef CONFIG_CHIP_M32700_TS1
#define DCACHE_CLEAR(reg0, reg1, addr) \
"seth "reg1", #high(dcache_dummy); \n\t" \
"or3 "reg1", "reg1", #low(dcache_dummy); \n\t" \
"lock "reg0", @"reg1"; \n\t" \
"add3 "reg0", "addr", #0x1000; \n\t" \
"ld "reg0", @"reg0"; \n\t" \
"add3 "reg0", "addr", #0x2000; \n\t" \
"ld "reg0", @"reg0"; \n\t" \
"unlock "reg0", @"reg1"; \n\t"
/* FIXME: This workaround code cannot handle kernel modules
* correctly under SMP environment.
*/
#else /* CONFIG_CHIP_M32700_TS1 */
#define DCACHE_CLEAR(reg0, reg1, addr)
#endif /* CONFIG_CHIP_M32700_TS1 */
#endif /* _ASM_M32R_DCACHE_CLEAR_H */