Rev 534 | Rev 613 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed
Rev 534 | Rev 569 | ||
---|---|---|---|
Line 28... | Line 28... | ||
28 | 28 | ||
29 | #ifndef __sparc64_TLB_H__ |
29 | #ifndef __sparc64_TLB_H__ |
30 | #define __sparc64_TLB_H__ |
30 | #define __sparc64_TLB_H__ |
31 | 31 | ||
32 | #include <arch/mm/tte.h> |
32 | #include <arch/mm/tte.h> |
- | 33 | #include <arch/asm.h> |
|
- | 34 | #include <arch/types.h> |
|
- | 35 | #include <typedefs.h> |
|
- | 36 | ||
- | 37 | #define ITLB_ENTRY_COUNT 64 |
|
- | 38 | #define DTLB_ENTRY_COUNT 64 |
|
33 | 39 | ||
34 | /** I-MMU ASIs. */ |
40 | /** I-MMU ASIs. */ |
35 | #define ASI_IMMU 0x50 |
41 | #define ASI_IMMU 0x50 |
36 | #define ASI_IMMU_TSB_8KB_PTR_REG 0x51 |
42 | #define ASI_IMMU_TSB_8KB_PTR_REG 0x51 |
37 | #define ASI_IMMU_TSB_64KB_PTR_REG 0x52 |
43 | #define ASI_IMMU_TSB_64KB_PTR_REG 0x52 |
Line 68... | Line 74... | ||
68 | #define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */ |
74 | #define VA_DMMU_PA_WATCHPOINT_REG 0x40 /**< DMMU PA data watchpoint register. */ |
69 | 75 | ||
70 | /** I-/D-TLB Data In/Access Register type. */ |
76 | /** I-/D-TLB Data In/Access Register type. */ |
71 | typedef tte_data_t tlb_data_t; |
77 | typedef tte_data_t tlb_data_t; |
72 | 78 | ||
- | 79 | /** I-/D-TLB Data Access Address in Alternate Space. */ |
|
- | 80 | union tlb_data_access_addr { |
|
- | 81 | __u64 value; |
|
- | 82 | struct { |
|
- | 83 | __u64 : 55; |
|
73 | #define tlb_init_arch() |
84 | unsigned tlb_entry : 6; |
- | 85 | unsigned : 3; |
|
- | 86 | } __attribute__ ((packed)); |
|
- | 87 | }; |
|
- | 88 | typedef union tlb_data_access_addr tlb_data_access_addr_t; |
|
- | 89 | typedef union tlb_data_access_addr tlb_tag_read_addr_t; |
|
- | 90 | ||
- | 91 | /** I-/D-TLB Tag Read Register. */ |
|
- | 92 | union tlb_tag_read_reg { |
|
- | 93 | __u64 value; |
|
- | 94 | struct { |
|
- | 95 | __u64 va : 51; /**< Virtual Address. */ |
|
- | 96 | unsigned context : 13; /**< Context identifier. */ |
|
- | 97 | } __attribute__ ((packed)); |
|
- | 98 | }; |
|
- | 99 | typedef union tlb_tag_read_reg tlb_tag_read_reg_t; |
|
- | 100 | ||
- | 101 | /** Read IMMU TLB Data Access Register. |
|
- | 102 | * |
|
- | 103 | * @param entry TLB Entry index. |
|
- | 104 | * |
|
- | 105 | * @return Current value of specified IMMU TLB Data Access Register. |
|
- | 106 | */ |
|
- | 107 | static inline __u64 itlb_data_access_read(index_t entry) |
|
- | 108 | { |
|
- | 109 | tlb_data_access_addr_t reg; |
|
- | 110 | ||
- | 111 | reg.value = 0; |
|
- | 112 | reg.tlb_entry = entry; |
|
- | 113 | return asi_u64_read(ASI_ITLB_DATA_ACCESS_REG, reg.value); |
|
- | 114 | } |
|
- | 115 | ||
- | 116 | /** Read DMMU TLB Data Access Register. |
|
- | 117 | * |
|
- | 118 | * @param entry TLB Entry index. |
|
- | 119 | * |
|
- | 120 | * @return Current value of specified DMMU TLB Data Access Register. |
|
- | 121 | */ |
|
- | 122 | static inline __u64 dtlb_data_access_read(index_t entry) |
|
- | 123 | { |
|
- | 124 | tlb_data_access_addr_t reg; |
|
- | 125 | ||
- | 126 | reg.value = 0; |
|
- | 127 | reg.tlb_entry = entry; |
|
- | 128 | return asi_u64_read(ASI_DTLB_DATA_ACCESS_REG, reg.value); |
|
- | 129 | } |
|
- | 130 | ||
- | 131 | /** Read IMMU TLB Tag Read Register. |
|
- | 132 | * |
|
- | 133 | * @param entry TLB Entry index. |
|
- | 134 | * |
|
- | 135 | * @return Current value of specified IMMU TLB Tag Read Register. |
|
- | 136 | */ |
|
- | 137 | static inline __u64 itlb_tag_read(index_t entry) |
|
- | 138 | { |
|
- | 139 | tlb_tag_read_addr_t tag; |
|
- | 140 | ||
- | 141 | tag.value = 0; |
|
- | 142 | tag.tlb_entry = entry; |
|
- | 143 | return asi_u64_read(ASI_ITLB_TAG_READ_REG, tag.value); |
|
- | 144 | } |
|
- | 145 | ||
- | 146 | /** Read DMMU TLB Tag Read Register. |
|
- | 147 | * |
|
- | 148 | * @param entry TLB Entry index. |
|
- | 149 | * |
|
- | 150 | * @return Current value of specified DMMU TLB Tag Read Register. |
|
- | 151 | */ |
|
- | 152 | static inline __u64 dtlb_tag_read(index_t entry) |
|
- | 153 | { |
|
- | 154 | tlb_tag_read_addr_t tag; |
|
- | 155 | ||
- | 156 | tag.value = 0; |
|
- | 157 | tag.tlb_entry = entry; |
|
- | 158 | return asi_u64_read(ASI_DTLB_TAG_READ_REG, tag.value); |
|
- | 159 | } |
|
74 | 160 | ||
75 | #endif |
161 | #endif |