cacheops.h

Go to the documentation of this file.

/*
 * 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
#define Index_Store_Tag_T   0x0a
#define Index_Load_Tag_T    0x06

/*
 * 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 */