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cacheops.h

/*
 * Cache operations for the cache instruction.
 *
 * 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.
 *
 * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
 * (C) Copyright 1999 Silicon Graphics, Inc.
 */
#ifndef     __ASM_CACHEOPS_H
#define     __ASM_CACHEOPS_H

/*
 * Cache Operations available on all MIPS processors with R4000-style caches
 */
#define Index_Invalidate_I      0x00
#define Index_Writeback_Inv_D   0x01
#define Index_Load_Tag_I      0x04
#define Index_Load_Tag_D      0x05
#define Index_Store_Tag_I     0x08
#define Index_Store_Tag_D     0x09
#if defined(CONFIG_CPU_LOONGSON2)
#define Hit_Invalidate_I      0x00
#else
#define Hit_Invalidate_I      0x10
#endif
#define Hit_Invalidate_D      0x11
#define Hit_Writeback_Inv_D   0x15

/*
 * R4000-specific cacheops
 */
#define Create_Dirty_Excl_D   0x0d
#define Fill                  0x14
#define Hit_Writeback_I       0x18
#define Hit_Writeback_D       0x19

/*
 * R4000SC and R4400SC-specific cacheops
 */
#define Index_Invalidate_SI     0x02
#define Index_Writeback_Inv_SD  0x03
#define Index_Load_Tag_SI     0x06
#define Index_Load_Tag_SD     0x07
#define Index_Store_Tag_SI    0x0A
#define Index_Store_Tag_SD    0x0B
#define Create_Dirty_Excl_SD  0x0f
#define Hit_Invalidate_SI     0x12
#define Hit_Invalidate_SD     0x13
#define Hit_Writeback_Inv_SD  0x17
#define Hit_Writeback_SD      0x1b
#define Hit_Set_Virtual_SI    0x1e
#define Hit_Set_Virtual_SD    0x1f

/*
 * R5000-specific cacheops
 */
#define R5K_Page_Invalidate_S 0x17

/*
 * RM7000-specific cacheops
 */
#define Page_Invalidate_T     0x16

/*
 * R10000-specific cacheops
 *
 * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
 * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
 */
#define Index_Writeback_Inv_S 0x03
#define Index_Load_Tag_S      0x07
#define Index_Store_Tag_S     0x0B
#define Hit_Invalidate_S      0x13
#define Cache_Barrier         0x14
#define Hit_Writeback_Inv_S   0x17
#define Index_Load_Data_I     0x18
#define Index_Load_Data_D     0x19
#define Index_Load_Data_S     0x1b
#define Index_Store_Data_I    0x1c
#define Index_Store_Data_D    0x1d
#define Index_Store_Data_S    0x1f

#endif      /* __ASM_CACHEOPS_H */

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