mmu_sh4.h revision 1.6
1 /* $NetBSD: mmu_sh4.h,v 1.6 2006/03/04 01:55:03 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _SH3_MMU_SH4_H_ 40 #define _SH3_MMU_SH4_H_ 41 #include <sh3/devreg.h> 42 43 /* ITLB 4-entry full-associative UTLB 64-entry full-associative */ 44 #define SH4_PTEH 0xff000000 45 #define SH4_PTEH_VPN_MASK 0xfffffc00 46 #define SH4_PTEH_ASID_MASK 0x000000ff 47 #define SH4_PTEL 0xff000004 48 #define SH4_PTEL_WT 0x00000001 49 #define SH4_PTEL_SH 0x00000002 50 #define SH4_PTEL_D 0x00000004 51 #define SH4_PTEL_C 0x00000008 52 #define SH4_PTEL_PR_SHIFT 5 53 #define SH4_PTEL_PR_MASK 0x00000060 /* [5:6] */ 54 #define SH4_PTEL_SZ_MASK 0x00000090 /* [4][7] */ 55 #define SH4_PTEL_SZ_1K 0x00000000 56 #define SH4_PTEL_SZ_4K 0x00000010 57 #define SH4_PTEL_SZ_64K 0x00000080 58 #define SH4_PTEL_SZ_1M 0x00000090 59 #define SH4_PTEL_V 0x00000100 60 #define SH4_PTEL_HWBITS 0x1ffff1ff /* [28:12]PFN [8:0]attr. */ 61 62 #define SH4_PTEA 0xff000034 63 #define SH4_PTEA_SA_MASK 0x00000007 64 #define SH4_PTEA_SA_TC 0x00000008 65 #define SH4_TTB 0xff000008 66 #define SH4_TEA 0xff00000c 67 #define SH4_MMUCR 0xff000010 68 #define SH4_MMUCR_AT 0x00000001 69 #define SH4_MMUCR_TI 0x00000004 70 #define SH4_MMUCR_SV 0x00000100 71 #define SH4_MMUCR_SQMD 0x00000200 72 #define SH4_MMUCR_URC_SHIFT 10 73 #define SH4_MMUCR_URC_MASK 0x0000fc00 /* [10:15] */ 74 #define SH4_MMUCR_URB_SHIFT 18 75 #define SH4_MMUCR_URB_MASK 0x00fc0000 /* [18:23] */ 76 #define SH4_MMUCR_LRUI_SHIFT 26 77 #define SH4_MMUCR_LRUT_MASK 0xfc000000 /* [26:31] */ 78 79 #define SH4_MMUCR_MASK (SH4_MMUCR_LRUT_MASK | SH4_MMUCR_URB_MASK | \ 80 SH4_MMUCR_URC_MASK | SH4_MMUCR_SQMD | SH4_MMUCR_SV | SH4_MMUCR_AT) 81 /* 82 * memory-mapped TLB 83 * must be access from P2-area program. 84 * branch to the other area must be maed at least 8 instruction 85 * after access. 86 */ 87 #define SH4_ITLB_ENTRY 4 88 #define SH4_UTLB_ENTRY 64 89 90 /* ITLB */ 91 #define SH4_ITLB_AA 0xf2000000 92 /* address specification (common for address and data array(0,1)) */ 93 #define SH4_ITLB_E_SHIFT 8 94 #define SH4_ITLB_E_MASK 0x00000300 /* [9:8] */ 95 /* data specification */ 96 /* address-array */ 97 #define SH4_ITLB_AA_ASID_MASK 0x000000ff /* [7:0] */ 98 #define SH4_ITLB_AA_V 0x00000100 99 #define SH4_ITLB_AA_VPN_SHIFT 10 100 #define SH4_ITLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ 101 /* data-array 1 */ 102 #define SH4_ITLB_DA1 0xf3000000 103 #define SH4_ITLB_DA1_SH 0x00000002 104 #define SH4_ITLB_DA1_C 0x00000008 105 #define SH4_ITLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ 106 #define SH4_ITLB_DA1_SZ_1K 0x00000000 107 #define SH4_ITLB_DA1_SZ_4K 0x00000010 108 #define SH4_ITLB_DA1_SZ_64K 0x00000080 109 #define SH4_ITLB_DA1_SZ_1M 0x00000090 110 #define SH4_ITLB_DA1_PR 0x00000040 111 #define SH4_ITLB_DA1_V 0x00000100 112 #define SH4_ITLB_DA1_PPN_SHIFT 11 113 #define SH4_ITLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ 114 /* data-array 2 */ 115 #define SH4_ITLB_DA2 0xf3800000 116 #define SH4_ITLB_DA2_SA_MASK 0x00000003 117 #define SH4_ITLB_DA2_TC 0x00000004 118 119 /* UTLB */ 120 #define SH4_UTLB_AA 0xf6000000 121 /* address specification (common for address and data array(0,1)) */ 122 #define SH4_UTLB_E_SHIFT 8 123 #define SH4_UTLB_E_MASK 0x00003f00 124 #define SH4_UTLB_A 0x00000080 125 /* data specification */ 126 /* address-array */ 127 #define SH4_UTLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ 128 #define SH4_UTLB_AA_D 0x00000200 129 #define SH4_UTLB_AA_V 0x00000100 130 #define SH4_UTLB_AA_ASID_MASK 0x000000ff /* [7:0] */ 131 /* data-array 1 */ 132 #define SH4_UTLB_DA1 0xf7000000 133 #define SH4_UTLB_DA1_WT 0x00000001 134 #define SH4_UTLB_DA1_SH 0x00000002 135 #define SH4_UTLB_DA1_D 0x00000004 136 #define SH4_UTLB_DA1_C 0x00000008 137 #define SH4_UTLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ 138 #define SH4_UTLB_DA1_SZ_1K 0x00000000 139 #define SH4_UTLB_DA1_SZ_4K 0x00000010 140 #define SH4_UTLB_DA1_SZ_64K 0x00000080 141 #define SH4_UTLB_DA1_SZ_1M 0x00000090 142 #define SH4_UTLB_DA1_PR_SHIFT 5 143 #define SH4_UTLB_DA1_PR_MASK 0x00000060 144 #define SH4_UTLB_DA1_V 0x00000100 145 #define SH4_UTLB_DA1_PPN_SHIFT 11 146 #define SH4_UTLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ 147 /* data-array 2 */ 148 #define SH4_UTLB_DA2 0xf7800000 149 #define SH4_UTLB_DA2_SA_MASK 0x00000003 150 #define SH4_UTLB_DA2_TC 0x00000004 151 152 #define SH4_TLB_DISABLE *(volatile uint32_t *)SH4_MMUCR = SH4_MMUCR_TI 153 #endif /* !_SH3_MMU_SH4_H_ */ 154
Indexes created Mon Sep 29 21:09:56 GMT 2025