1 /* $NetBSD: cache_ls2.h,v 1.4 2020/07/26 08:08:41 simonb Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matt Thomas <matt (at) 3am-software.com>. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _MIPS_CACHE_LS2_H_ 33 #define _MIPS_CACHE_LS2_H_ 34 35 /* 36 * Cache definitions/operations for Loongson-style caches. 37 */ 38 #define CACHEOP_LS2_I_INDEX_INV 0 39 #define CACHEOP_LS2_D_INDEX_WB_INV 1 40 #define CACHEOP_LS2_S_INDEX_WB_INV 3 41 #define CACHEOP_LS2_D_HIT_INV 17 42 #define CACHEOP_LS2_S_HIT_INV 19 43 #define CACHEOP_LS2_D_HIT_WB_INV 21 44 #define CACHEOP_LS2_S_HIT_WB_INV 23 45 46 #if !defined(_LOCORE) 47 /* 48 * The way is encoded in the bottom 2 bits of VA. 49 */ 50 51 #define cache_op_ls2_8line_4way(va, op) \ 52 __asm volatile( \ 53 ".set noreorder \n\t" \ 54 "cache %1, 0x00(%0); cache %1, 0x20(%0) \n\t" \ 55 "cache %1, 0x40(%0); cache %1, 0x60(%0) \n\t" \ 56 "cache %1, 0x80(%0); cache %1, 0xa0(%0) \n\t" \ 57 "cache %1, 0xc0(%0); cache %1, 0xe0(%0) \n\t" \ 58 "cache %1, 0x01(%0); cache %1, 0x21(%0) \n\t" \ 59 "cache %1, 0x41(%0); cache %1, 0x61(%0) \n\t" \ 60 "cache %1, 0x81(%0); cache %1, 0xa1(%0) \n\t" \ 61 "cache %1, 0xc1(%0); cache %1, 0xe1(%0) \n\t" \ 62 "cache %1, 0x02(%0); cache %1, 0x22(%0) \n\t" \ 63 "cache %1, 0x42(%0); cache %1, 0x62(%0) \n\t" \ 64 "cache %1, 0x82(%0); cache %1, 0xa2(%0) \n\t" \ 65 "cache %1, 0xc2(%0); cache %1, 0xe2(%0) \n\t" \ 66 "cache %1, 0x03(%0); cache %1, 0x23(%0) \n\t" \ 67 "cache %1, 0x43(%0); cache %1, 0x63(%0) \n\t" \ 68 "cache %1, 0x83(%0); cache %1, 0xa3(%0) \n\t" \ 69 "cache %1, 0xc3(%0); cache %1, 0xe3(%0) \n\t" \ 70 ".set reorder" \ 71 : \ 72 : "r" (va), "i" (op) \ 73 : "memory"); 74 75 #define cache_op_ls2_line_4way(va, op) \ 76 __asm volatile( \ 77 ".set noreorder \n\t" \ 78 "cache %1, 0(%0); cache %1, 1(%0) \n\t" \ 79 "cache %1, 2(%0); cache %1, 3(%0) \n\t" \ 80 ".set reorder" \ 81 : \ 82 : "r" (va), "i" (op) \ 83 : "memory"); 84 85 #define cache_op_ls2_8line(va, op) \ 86 __asm volatile( \ 87 ".set noreorder \n\t" \ 88 "cache %1, 0x00(%0); cache %1, 0x20(%0) \n\t" \ 89 "cache %1, 0x40(%0); cache %1, 0x60(%0) \n\t" \ 90 "cache %1, 0x80(%0); cache %1, 0xa0(%0) \n\t" \ 91 "cache %1, 0xc0(%0); cache %1, 0xe0(%0) \n\t" \ 92 ".set reorder" \ 93 : \ 94 : "r" (va), "i" (op) \ 95 : "memory"); 96 97 #define cache_op_ls2_line(va, op) \ 98 __asm volatile( \ 99 ".set noreorder \n\t" \ 100 "cache %1, 0(%0) \n\t" \ 101 ".set reorder" \ 102 : \ 103 : "r" (va), "i" (op) \ 104 : "memory"); 105 106 void ls2_icache_sync_all(void); 107 void ls2_icache_sync_range(register_t, vsize_t); 108 void ls2_icache_sync_range_index(vaddr_t, vsize_t); 109 110 void ls2_pdcache_wbinv_all(void); 111 void ls2_pdcache_wbinv_range(register_t, vsize_t); 112 void ls2_pdcache_wbinv_range_index(vaddr_t, vsize_t); 113 114 void ls2_pdcache_inv_range(register_t, vsize_t); 115 void ls2_pdcache_wb_range(register_t, vsize_t); 116 117 void ls2_sdcache_wbinv_all(void); 118 void ls2_sdcache_wbinv_range(register_t, vsize_t); 119 void ls2_sdcache_wbinv_range_index(vaddr_t, vsize_t); 120 121 void ls2_sdcache_inv_range(register_t, vsize_t); 122 void ls2_sdcache_wb_range(register_t, vsize_t); 123 124 #endif /* !_LOCORE */ 125 #endif /* !_MIPS_CACHE_LS2_H_ */ 126
Indexes created Sun Sep 21 20:09:37 GMT 2025