1 | /* |
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2 | * Copyright (c) 2005 Jakub Jermar |
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3 | * All rights reserved. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions |
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7 | * are met: |
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8 | * |
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9 | * - Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * - Redistributions in binary form must reproduce the above copyright |
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12 | * notice, this list of conditions and the following disclaimer in the |
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13 | * documentation and/or other materials provided with the distribution. |
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14 | * - The name of the author may not be used to endorse or promote products |
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15 | * derived from this software without specific prior written permission. |
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16 | * |
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | /** @addtogroup RTEMSBSPsSPARC64mm |
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30 | * @{ |
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31 | */ |
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32 | /** @file |
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33 | */ |
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34 | |
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35 | #ifndef KERN_sparc64_sun4u_MMU_H_ |
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36 | #define KERN_sparc64_sun4u_MMU_H_ |
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37 | |
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38 | #if defined(US) |
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39 | /* LSU Control Register ASI. */ |
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40 | #define ASI_LSU_CONTROL_REG 0x45 /**< Load/Store Unit Control Register. */ |
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41 | #endif |
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42 | |
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43 | /* I-MMU ASIs. */ |
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44 | #define ASI_IMMU 0x50 |
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45 | #define ASI_IMMU_TSB_8KB_PTR_REG 0x51 |
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46 | #define ASI_IMMU_TSB_64KB_PTR_REG 0x52 |
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47 | #define ASI_ITLB_DATA_IN_REG 0x54 |
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48 | #define ASI_ITLB_DATA_ACCESS_REG 0x55 |
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49 | #define ASI_ITLB_TAG_READ_REG 0x56 |
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50 | #define ASI_IMMU_DEMAP 0x57 |
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51 | |
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52 | /* Virtual Addresses within ASI_IMMU. */ |
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53 | #define VA_IMMU_TSB_TAG_TARGET 0x0 /**< IMMU TSB tag target register. */ |
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54 | #define VA_IMMU_SFSR 0x18 /**< IMMU sync fault status register. */ |
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55 | #define VA_IMMU_TSB_BASE 0x28 /**< IMMU TSB base register. */ |
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56 | #define VA_IMMU_TAG_ACCESS 0x30 /**< IMMU TLB tag access register. */ |
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57 | #if defined (US3) |
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58 | #define VA_IMMU_PRIMARY_EXTENSION 0x48 /**< IMMU TSB primary extension register */ |
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59 | #define VA_IMMU_NUCLEUS_EXTENSION 0x58 /**< IMMU TSB nucleus extension register */ |
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60 | #endif |
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61 | |
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62 | |
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63 | /* D-MMU ASIs. */ |
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64 | #define ASI_DMMU 0x58 |
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65 | #define ASI_DMMU_TSB_8KB_PTR_REG 0x59 |
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66 | #define ASI_DMMU_TSB_64KB_PTR_REG 0x5a |
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67 | #define ASI_DMMU_TSB_DIRECT_PTR_REG 0x5b |
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68 | #define ASI_DTLB_DATA_IN_REG 0x5c |
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69 | #define ASI_DTLB_DATA_ACCESS_REG 0x5d |
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70 | #define ASI_DTLB_TAG_READ_REG 0x5e |
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71 | #define ASI_DMMU_DEMAP 0x5f |
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72 | |
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73 | /* Virtual Addresses within ASI_DMMU. */ |
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74 | #define VA_DMMU_TSB_TAG_TARGET 0x0 /**< DMMU TSB tag target register. */ |
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75 | #define VA_PRIMARY_CONTEXT_REG 0x8 /**< DMMU primary context register. */ |
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76 | #define VA_SECONDARY_CONTEXT_REG 0x10 /**< DMMU secondary context register. */ |
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77 | #define VA_DMMU_SFSR 0x18 /**< DMMU sync fault status register. */ |
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78 | #define VA_DMMU_SFAR 0x20 /**< DMMU sync fault address register. */ |
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79 | #define VA_DMMU_TSB_BASE 0x28 /**< DMMU TSB base register. */ |
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80 | #define VA_DMMU_TAG_ACCESS 0x30 /**< DMMU TLB tag access register. */ |
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81 | #define VA_DMMU_VA_WATCHPOINT_REG 0x38 /**< DMMU VA data watchpoint register. */ |
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82 | #define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */ |
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83 | #if defined (US3) |
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84 | #define VA_DMMU_PRIMARY_EXTENSION 0x48 /**< DMMU TSB primary extension register */ |
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85 | #define VA_DMMU_SECONDARY_EXTENSION 0x50 /**< DMMU TSB secondary extension register */ |
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86 | #define VA_DMMU_NUCLEUS_EXTENSION 0x58 /**< DMMU TSB nucleus extension register */ |
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87 | #endif |
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88 | |
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89 | #ifndef __ASM__ |
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90 | |
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91 | #include <arch/asm.h> |
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92 | #include <arch/barrier.h> |
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93 | #include <arch/types.h> |
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94 | |
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95 | #if defined(US) |
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96 | /** LSU Control Register. */ |
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97 | typedef union { |
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98 | uint64_t value; |
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99 | struct { |
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100 | unsigned : 23; |
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101 | unsigned pm : 8; |
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102 | unsigned vm : 8; |
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103 | unsigned pr : 1; |
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104 | unsigned pw : 1; |
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105 | unsigned vr : 1; |
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106 | unsigned vw : 1; |
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107 | unsigned : 1; |
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108 | unsigned fm : 16; |
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109 | unsigned dm : 1; /**< D-MMU enable. */ |
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110 | unsigned im : 1; /**< I-MMU enable. */ |
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111 | unsigned dc : 1; /**< D-Cache enable. */ |
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112 | unsigned ic : 1; /**< I-Cache enable. */ |
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113 | |
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114 | } __attribute__ ((packed)); |
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115 | } lsu_cr_reg_t; |
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116 | #endif /* US */ |
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117 | |
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118 | #endif /* !def __ASM__ */ |
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119 | |
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120 | #endif |
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121 | |
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122 | /** @} |
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123 | */ |
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