1 /* 2 * File : cache.h 3 * COPYRIGHT (C) 2008 - 2016, RT-Thread Development Team 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Change Logs: 20 * Date Author Notes 21 */ 22 23 #ifndef __CACHE_H__ 24 #define __CACHE_H__ 25 26 /* 27 * Cache Operations 28 */ 29 #define Index_Invalidate_I 0x00 30 #define Index_Writeback_Inv_D 0x01 31 #define Index_Invalidate_SI 0x02 32 #define Index_Writeback_Inv_SD 0x03 33 #define Index_Load_Tag_I 0x04 34 #define Index_Load_Tag_D 0x05 35 #define Index_Load_Tag_SI 0x06 36 #define Index_Load_Tag_SD 0x07 37 #define Index_Store_Tag_I 0x08 38 #define Index_Store_Tag_D 0x09 39 #define Index_Store_Tag_SI 0x0A 40 #define Index_Store_Tag_SD 0x0B 41 #define Create_Dirty_Excl_D 0x0d 42 #define Create_Dirty_Excl_SD 0x0f 43 #define Hit_Invalidate_I 0x10 44 #define Hit_Invalidate_D 0x11 45 #define Hit_Invalidate_SI 0x12 46 #define Hit_Invalidate_SD 0x13 47 #define Fill 0x14 48 #define Hit_Writeback_Inv_D 0x15 49 /* 0x16 is unused */ 50 #define Hit_Writeback_Inv_SD 0x17 51 #define Hit_Writeback_I 0x18 52 #define Hit_Writeback_D 0x19 53 /* 0x1a is unused */ 54 #define Hit_Writeback_SD 0x1b 55 /* 0x1c is unused */ 56 /* 0x1e is unused */ 57 #define Hit_Set_Virtual_SI 0x1e 58 #define Hit_Set_Virtual_SD 0x1f 59 60 void rt_hw_cache_init(void); 61 62 #endif 63