| 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 sparc64mm
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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_MMU_H_
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| 36 | #define KERN_sparc64_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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