| 1 |
/* GXemul: $Id: sh4_mmu.h,v 1.1 2006/09/23 03:51:06 debug Exp $ */ |
| 2 |
/* $NetBSD: mmu_sh4.h,v 1.6 2006/03/04 01:55:03 uwe Exp $ */ |
| 3 |
|
| 4 |
#ifndef _SH3_MMU_SH4_H_ |
| 5 |
#define _SH3_MMU_SH4_H_ |
| 6 |
|
| 7 |
/*- |
| 8 |
* Copyright (c) 2002 The NetBSD Foundation, Inc. |
| 9 |
* All rights reserved. |
| 10 |
* |
| 11 |
* This code is derived from software contributed to The NetBSD Foundation |
| 12 |
* by UCHIYAMA Yasushi. |
| 13 |
* |
| 14 |
* Redistribution and use in source and binary forms, with or without |
| 15 |
* modification, are permitted provided that the following conditions |
| 16 |
* are met: |
| 17 |
* 1. Redistributions of source code must retain the above copyright |
| 18 |
* notice, this list of conditions and the following disclaimer. |
| 19 |
* 2. Redistributions in binary form must reproduce the above copyright |
| 20 |
* notice, this list of conditions and the following disclaimer in the |
| 21 |
* documentation and/or other materials provided with the distribution. |
| 22 |
* 3. All advertising materials mentioning features or use of this software |
| 23 |
* must display the following acknowledgement: |
| 24 |
* This product includes software developed by the NetBSD |
| 25 |
* Foundation, Inc. and its contributors. |
| 26 |
* 4. Neither the name of The NetBSD Foundation nor the names of its |
| 27 |
* contributors may be used to endorse or promote products derived |
| 28 |
* from this software without specific prior written permission. |
| 29 |
* |
| 30 |
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 31 |
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 32 |
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 33 |
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 34 |
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 35 |
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 36 |
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 37 |
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 38 |
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 39 |
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 40 |
* POSSIBILITY OF SUCH DAMAGE. |
| 41 |
*/ |
| 42 |
|
| 43 |
/* #include <sh3/devreg.h> */ |
| 44 |
|
| 45 |
/* ITLB 4-entry full-associative UTLB 64-entry full-associative */ |
| 46 |
#define SH4_PTEH 0xff000000 |
| 47 |
#define SH4_PTEH_VPN_MASK 0xfffffc00 |
| 48 |
#define SH4_PTEH_ASID_MASK 0x000000ff |
| 49 |
#define SH4_PTEL 0xff000004 |
| 50 |
#define SH4_PTEL_WT 0x00000001 |
| 51 |
#define SH4_PTEL_SH 0x00000002 |
| 52 |
#define SH4_PTEL_D 0x00000004 |
| 53 |
#define SH4_PTEL_C 0x00000008 |
| 54 |
#define SH4_PTEL_PR_SHIFT 5 |
| 55 |
#define SH4_PTEL_PR_MASK 0x00000060 /* [5:6] */ |
| 56 |
#define SH4_PTEL_SZ_MASK 0x00000090 /* [4][7] */ |
| 57 |
#define SH4_PTEL_SZ_1K 0x00000000 |
| 58 |
#define SH4_PTEL_SZ_4K 0x00000010 |
| 59 |
#define SH4_PTEL_SZ_64K 0x00000080 |
| 60 |
#define SH4_PTEL_SZ_1M 0x00000090 |
| 61 |
#define SH4_PTEL_V 0x00000100 |
| 62 |
#define SH4_PTEL_HWBITS 0x1ffff1ff /* [28:12]PFN [8:0]attr. */ |
| 63 |
|
| 64 |
#define SH4_PTEA 0xff000034 |
| 65 |
#define SH4_PTEA_SA_MASK 0x00000007 |
| 66 |
#define SH4_PTEA_SA_TC 0x00000008 |
| 67 |
#define SH4_TTB 0xff000008 |
| 68 |
#define SH4_TEA 0xff00000c |
| 69 |
#define SH4_MMUCR 0xff000010 |
| 70 |
#define SH4_MMUCR_AT 0x00000001 |
| 71 |
#define SH4_MMUCR_TI 0x00000004 |
| 72 |
#define SH4_MMUCR_SV 0x00000100 |
| 73 |
#define SH4_MMUCR_SQMD 0x00000200 |
| 74 |
#define SH4_MMUCR_URC_SHIFT 10 |
| 75 |
#define SH4_MMUCR_URC_MASK 0x0000fc00 /* [10:15] */ |
| 76 |
#define SH4_MMUCR_URB_SHIFT 18 |
| 77 |
#define SH4_MMUCR_URB_MASK 0x00fc0000 /* [18:23] */ |
| 78 |
#define SH4_MMUCR_LRUI_SHIFT 26 |
| 79 |
#define SH4_MMUCR_LRUT_MASK 0xfc000000 /* [26:31] */ |
| 80 |
|
| 81 |
#define SH4_MMUCR_MASK (SH4_MMUCR_LRUT_MASK | SH4_MMUCR_URB_MASK | \ |
| 82 |
SH4_MMUCR_URC_MASK | SH4_MMUCR_SQMD | SH4_MMUCR_SV | SH4_MMUCR_AT) |
| 83 |
/* |
| 84 |
* memory-mapped TLB |
| 85 |
* must be access from P2-area program. |
| 86 |
* branch to the other area must be maed at least 8 instruction |
| 87 |
* after access. |
| 88 |
*/ |
| 89 |
#define SH4_ITLB_ENTRY 4 |
| 90 |
#define SH4_UTLB_ENTRY 64 |
| 91 |
|
| 92 |
/* ITLB */ |
| 93 |
#define SH4_ITLB_AA 0xf2000000 |
| 94 |
/* address specification (common for address and data array(0,1)) */ |
| 95 |
#define SH4_ITLB_E_SHIFT 8 |
| 96 |
#define SH4_ITLB_E_MASK 0x00000300 /* [9:8] */ |
| 97 |
/* data specification */ |
| 98 |
/* address-array */ |
| 99 |
#define SH4_ITLB_AA_ASID_MASK 0x000000ff /* [7:0] */ |
| 100 |
#define SH4_ITLB_AA_V 0x00000100 |
| 101 |
#define SH4_ITLB_AA_VPN_SHIFT 10 |
| 102 |
#define SH4_ITLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ |
| 103 |
/* data-array 1 */ |
| 104 |
#define SH4_ITLB_DA1 0xf3000000 |
| 105 |
#define SH4_ITLB_DA1_SH 0x00000002 |
| 106 |
#define SH4_ITLB_DA1_C 0x00000008 |
| 107 |
#define SH4_ITLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ |
| 108 |
#define SH4_ITLB_DA1_SZ_1K 0x00000000 |
| 109 |
#define SH4_ITLB_DA1_SZ_4K 0x00000010 |
| 110 |
#define SH4_ITLB_DA1_SZ_64K 0x00000080 |
| 111 |
#define SH4_ITLB_DA1_SZ_1M 0x00000090 |
| 112 |
#define SH4_ITLB_DA1_PR 0x00000040 |
| 113 |
#define SH4_ITLB_DA1_V 0x00000100 |
| 114 |
#define SH4_ITLB_DA1_PPN_SHIFT 11 |
| 115 |
#define SH4_ITLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ |
| 116 |
/* data-array 2 */ |
| 117 |
#define SH4_ITLB_DA2 0xf3800000 |
| 118 |
#define SH4_ITLB_DA2_SA_MASK 0x00000003 |
| 119 |
#define SH4_ITLB_DA2_TC 0x00000004 |
| 120 |
|
| 121 |
/* UTLB */ |
| 122 |
#define SH4_UTLB_AA 0xf6000000 |
| 123 |
/* address specification (common for address and data array(0,1)) */ |
| 124 |
#define SH4_UTLB_E_SHIFT 8 |
| 125 |
#define SH4_UTLB_E_MASK 0x00003f00 |
| 126 |
#define SH4_UTLB_A 0x00000080 |
| 127 |
/* data specification */ |
| 128 |
/* address-array */ |
| 129 |
#define SH4_UTLB_AA_VPN_MASK 0xfffffc00 /* [31:10] */ |
| 130 |
#define SH4_UTLB_AA_D 0x00000200 |
| 131 |
#define SH4_UTLB_AA_V 0x00000100 |
| 132 |
#define SH4_UTLB_AA_ASID_MASK 0x000000ff /* [7:0] */ |
| 133 |
/* data-array 1 */ |
| 134 |
#define SH4_UTLB_DA1 0xf7000000 |
| 135 |
#define SH4_UTLB_DA1_WT 0x00000001 |
| 136 |
#define SH4_UTLB_DA1_SH 0x00000002 |
| 137 |
#define SH4_UTLB_DA1_D 0x00000004 |
| 138 |
#define SH4_UTLB_DA1_C 0x00000008 |
| 139 |
#define SH4_UTLB_DA1_SZ_MASK 0x00000090 /* [7][4] */ |
| 140 |
#define SH4_UTLB_DA1_SZ_1K 0x00000000 |
| 141 |
#define SH4_UTLB_DA1_SZ_4K 0x00000010 |
| 142 |
#define SH4_UTLB_DA1_SZ_64K 0x00000080 |
| 143 |
#define SH4_UTLB_DA1_SZ_1M 0x00000090 |
| 144 |
#define SH4_UTLB_DA1_PR_SHIFT 5 |
| 145 |
#define SH4_UTLB_DA1_PR_MASK 0x00000060 |
| 146 |
#define SH4_UTLB_DA1_V 0x00000100 |
| 147 |
#define SH4_UTLB_DA1_PPN_SHIFT 11 |
| 148 |
#define SH4_UTLB_DA1_PPN_MASK 0x1ffffc00 /* [28:10] */ |
| 149 |
/* data-array 2 */ |
| 150 |
#define SH4_UTLB_DA2 0xf7800000 |
| 151 |
#define SH4_UTLB_DA2_SA_MASK 0x00000003 |
| 152 |
#define SH4_UTLB_DA2_TC 0x00000004 |
| 153 |
|
| 154 |
#define SH4_TLB_DISABLE *(volatile uint32_t *)SH4_MMUCR = SH4_MMUCR_TI |
| 155 |
#endif /* !_SH3_MMU_SH4_H_ */ |
Parent Directory
| 
Revision Log