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| Filename | /usr/src/linux-headers-3.13.0-24/arch/m32r/include/asm/dcache_clear.h |
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| Create time | 27-Apr-2025 09:50 |
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/*
* 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 */
* 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 */