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1 | b92e5a22 | bellard | /*
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2 | b92e5a22 | bellard | * Software MMU support
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3 | 5fafdf24 | ths | *
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4 | b92e5a22 | bellard | * Copyright (c) 2003 Fabrice Bellard
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5 | b92e5a22 | bellard | *
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6 | b92e5a22 | bellard | * This library is free software; you can redistribute it and/or
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7 | b92e5a22 | bellard | * modify it under the terms of the GNU Lesser General Public
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8 | b92e5a22 | bellard | * License as published by the Free Software Foundation; either
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9 | b92e5a22 | bellard | * version 2 of the License, or (at your option) any later version.
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10 | b92e5a22 | bellard | *
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11 | b92e5a22 | bellard | * This library is distributed in the hope that it will be useful,
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12 | b92e5a22 | bellard | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | b92e5a22 | bellard | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | b92e5a22 | bellard | * Lesser General Public License for more details.
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15 | b92e5a22 | bellard | *
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16 | b92e5a22 | bellard | * You should have received a copy of the GNU Lesser General Public
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17 | 8167ee88 | Blue Swirl | * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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18 | b92e5a22 | bellard | */
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19 | b92e5a22 | bellard | #if DATA_SIZE == 8 |
20 | b92e5a22 | bellard | #define SUFFIX q
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21 | 61382a50 | bellard | #define USUFFIX q
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22 | b92e5a22 | bellard | #define DATA_TYPE uint64_t
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23 | b92e5a22 | bellard | #elif DATA_SIZE == 4 |
24 | b92e5a22 | bellard | #define SUFFIX l
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25 | 61382a50 | bellard | #define USUFFIX l
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26 | b92e5a22 | bellard | #define DATA_TYPE uint32_t
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27 | b92e5a22 | bellard | #elif DATA_SIZE == 2 |
28 | b92e5a22 | bellard | #define SUFFIX w
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29 | 61382a50 | bellard | #define USUFFIX uw
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30 | b92e5a22 | bellard | #define DATA_TYPE uint16_t
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31 | b92e5a22 | bellard | #define DATA_STYPE int16_t
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32 | b92e5a22 | bellard | #elif DATA_SIZE == 1 |
33 | b92e5a22 | bellard | #define SUFFIX b
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34 | 61382a50 | bellard | #define USUFFIX ub
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35 | b92e5a22 | bellard | #define DATA_TYPE uint8_t
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36 | b92e5a22 | bellard | #define DATA_STYPE int8_t
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37 | b92e5a22 | bellard | #else
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38 | b92e5a22 | bellard | #error unsupported data size
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39 | b92e5a22 | bellard | #endif
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40 | b92e5a22 | bellard | |
41 | 6ebbf390 | j_mayer | #if ACCESS_TYPE < (NB_MMU_MODES)
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42 | 61382a50 | bellard | |
43 | 6ebbf390 | j_mayer | #define CPU_MMU_INDEX ACCESS_TYPE
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44 | 61382a50 | bellard | #define MMUSUFFIX _mmu
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45 | 61382a50 | bellard | |
46 | 6ebbf390 | j_mayer | #elif ACCESS_TYPE == (NB_MMU_MODES)
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47 | 61382a50 | bellard | |
48 | 6ebbf390 | j_mayer | #define CPU_MMU_INDEX (cpu_mmu_index(env))
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49 | 61382a50 | bellard | #define MMUSUFFIX _mmu
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50 | 61382a50 | bellard | |
51 | 6ebbf390 | j_mayer | #elif ACCESS_TYPE == (NB_MMU_MODES + 1) |
52 | 61382a50 | bellard | |
53 | 6ebbf390 | j_mayer | #define CPU_MMU_INDEX (cpu_mmu_index(env))
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54 | 61382a50 | bellard | #define MMUSUFFIX _cmmu
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55 | 61382a50 | bellard | |
56 | b92e5a22 | bellard | #else
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57 | 61382a50 | bellard | #error invalid ACCESS_TYPE
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58 | b92e5a22 | bellard | #endif
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59 | b92e5a22 | bellard | |
60 | b92e5a22 | bellard | #if DATA_SIZE == 8 |
61 | b92e5a22 | bellard | #define RES_TYPE uint64_t
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62 | b92e5a22 | bellard | #else
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63 | b92e5a22 | bellard | #define RES_TYPE int |
64 | b92e5a22 | bellard | #endif
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65 | b92e5a22 | bellard | |
66 | 6ebbf390 | j_mayer | #if ACCESS_TYPE == (NB_MMU_MODES + 1) |
67 | 84b7b8e7 | bellard | #define ADDR_READ addr_code
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68 | 84b7b8e7 | bellard | #else
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69 | 84b7b8e7 | bellard | #define ADDR_READ addr_read
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70 | 84b7b8e7 | bellard | #endif
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71 | b92e5a22 | bellard | |
72 | e16c53fa | bellard | /* generic load/store macros */
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73 | e16c53fa | bellard | |
74 | c27004ec | bellard | static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr) |
75 | b92e5a22 | bellard | { |
76 | 4d7a0880 | blueswir1 | int page_index;
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77 | b92e5a22 | bellard | RES_TYPE res; |
78 | c27004ec | bellard | target_ulong addr; |
79 | c27004ec | bellard | unsigned long physaddr; |
80 | 6ebbf390 | j_mayer | int mmu_idx;
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81 | 61382a50 | bellard | |
82 | c27004ec | bellard | addr = ptr; |
83 | 4d7a0880 | blueswir1 | page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
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84 | 6ebbf390 | j_mayer | mmu_idx = CPU_MMU_INDEX; |
85 | 551bd27f | ths | if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
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86 | 551bd27f | ths | (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
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87 | 6ebbf390 | j_mayer | res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx); |
88 | b92e5a22 | bellard | } else {
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89 | 4d7a0880 | blueswir1 | physaddr = addr + env->tlb_table[mmu_idx][page_index].addend; |
90 | 61382a50 | bellard | res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr); |
91 | b92e5a22 | bellard | } |
92 | b92e5a22 | bellard | return res;
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93 | b92e5a22 | bellard | } |
94 | b92e5a22 | bellard | |
95 | b92e5a22 | bellard | #if DATA_SIZE <= 2 |
96 | c27004ec | bellard | static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr) |
97 | b92e5a22 | bellard | { |
98 | 4d7a0880 | blueswir1 | int res, page_index;
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99 | c27004ec | bellard | target_ulong addr; |
100 | c27004ec | bellard | unsigned long physaddr; |
101 | 6ebbf390 | j_mayer | int mmu_idx;
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102 | 61382a50 | bellard | |
103 | c27004ec | bellard | addr = ptr; |
104 | 4d7a0880 | blueswir1 | page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
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105 | 6ebbf390 | j_mayer | mmu_idx = CPU_MMU_INDEX; |
106 | 551bd27f | ths | if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
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107 | 551bd27f | ths | (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
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108 | 6ebbf390 | j_mayer | res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx); |
109 | b92e5a22 | bellard | } else {
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110 | 4d7a0880 | blueswir1 | physaddr = addr + env->tlb_table[mmu_idx][page_index].addend; |
111 | b92e5a22 | bellard | res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr); |
112 | b92e5a22 | bellard | } |
113 | b92e5a22 | bellard | return res;
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114 | b92e5a22 | bellard | } |
115 | b92e5a22 | bellard | #endif
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116 | b92e5a22 | bellard | |
117 | 6ebbf390 | j_mayer | #if ACCESS_TYPE != (NB_MMU_MODES + 1) |
118 | 84b7b8e7 | bellard | |
119 | e16c53fa | bellard | /* generic store macro */
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120 | e16c53fa | bellard | |
121 | c27004ec | bellard | static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v) |
122 | b92e5a22 | bellard | { |
123 | 4d7a0880 | blueswir1 | int page_index;
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124 | c27004ec | bellard | target_ulong addr; |
125 | c27004ec | bellard | unsigned long physaddr; |
126 | 6ebbf390 | j_mayer | int mmu_idx;
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127 | 61382a50 | bellard | |
128 | c27004ec | bellard | addr = ptr; |
129 | 4d7a0880 | blueswir1 | page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
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130 | 6ebbf390 | j_mayer | mmu_idx = CPU_MMU_INDEX; |
131 | 551bd27f | ths | if (unlikely(env->tlb_table[mmu_idx][page_index].addr_write !=
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132 | 551bd27f | ths | (addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
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133 | 6ebbf390 | j_mayer | glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, mmu_idx); |
134 | b92e5a22 | bellard | } else {
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135 | 4d7a0880 | blueswir1 | physaddr = addr + env->tlb_table[mmu_idx][page_index].addend; |
136 | b92e5a22 | bellard | glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v); |
137 | b92e5a22 | bellard | } |
138 | b92e5a22 | bellard | } |
139 | b92e5a22 | bellard | |
140 | 6ebbf390 | j_mayer | #endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */ |
141 | 84b7b8e7 | bellard | |
142 | 6ebbf390 | j_mayer | #if ACCESS_TYPE != (NB_MMU_MODES + 1) |
143 | e16c53fa | bellard | |
144 | 2d603d22 | bellard | #if DATA_SIZE == 8 |
145 | 3f87bf69 | bellard | static inline float64 glue(ldfq, MEMSUFFIX)(target_ulong ptr) |
146 | 2d603d22 | bellard | { |
147 | 2d603d22 | bellard | union {
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148 | 3f87bf69 | bellard | float64 d; |
149 | 2d603d22 | bellard | uint64_t i; |
150 | 2d603d22 | bellard | } u; |
151 | 2d603d22 | bellard | u.i = glue(ldq, MEMSUFFIX)(ptr); |
152 | 2d603d22 | bellard | return u.d;
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153 | 2d603d22 | bellard | } |
154 | 2d603d22 | bellard | |
155 | 3f87bf69 | bellard | static inline void glue(stfq, MEMSUFFIX)(target_ulong ptr, float64 v) |
156 | 2d603d22 | bellard | { |
157 | 2d603d22 | bellard | union {
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158 | 3f87bf69 | bellard | float64 d; |
159 | 2d603d22 | bellard | uint64_t i; |
160 | 2d603d22 | bellard | } u; |
161 | 2d603d22 | bellard | u.d = v; |
162 | 2d603d22 | bellard | glue(stq, MEMSUFFIX)(ptr, u.i); |
163 | 2d603d22 | bellard | } |
164 | 2d603d22 | bellard | #endif /* DATA_SIZE == 8 */ |
165 | 2d603d22 | bellard | |
166 | 2d603d22 | bellard | #if DATA_SIZE == 4 |
167 | 3f87bf69 | bellard | static inline float32 glue(ldfl, MEMSUFFIX)(target_ulong ptr) |
168 | 2d603d22 | bellard | { |
169 | 2d603d22 | bellard | union {
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170 | 3f87bf69 | bellard | float32 f; |
171 | 2d603d22 | bellard | uint32_t i; |
172 | 2d603d22 | bellard | } u; |
173 | 2d603d22 | bellard | u.i = glue(ldl, MEMSUFFIX)(ptr); |
174 | 2d603d22 | bellard | return u.f;
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175 | 2d603d22 | bellard | } |
176 | 2d603d22 | bellard | |
177 | 3f87bf69 | bellard | static inline void glue(stfl, MEMSUFFIX)(target_ulong ptr, float32 v) |
178 | 2d603d22 | bellard | { |
179 | 2d603d22 | bellard | union {
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180 | 3f87bf69 | bellard | float32 f; |
181 | 2d603d22 | bellard | uint32_t i; |
182 | 2d603d22 | bellard | } u; |
183 | 2d603d22 | bellard | u.f = v; |
184 | 2d603d22 | bellard | glue(stl, MEMSUFFIX)(ptr, u.i); |
185 | 2d603d22 | bellard | } |
186 | 2d603d22 | bellard | #endif /* DATA_SIZE == 4 */ |
187 | 2d603d22 | bellard | |
188 | 6ebbf390 | j_mayer | #endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */ |
189 | 84b7b8e7 | bellard | |
190 | b92e5a22 | bellard | #undef RES_TYPE
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191 | b92e5a22 | bellard | #undef DATA_TYPE
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192 | b92e5a22 | bellard | #undef DATA_STYPE
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193 | b92e5a22 | bellard | #undef SUFFIX
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194 | 61382a50 | bellard | #undef USUFFIX
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195 | b92e5a22 | bellard | #undef DATA_SIZE
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196 | 6ebbf390 | j_mayer | #undef CPU_MMU_INDEX
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197 | 61382a50 | bellard | #undef MMUSUFFIX
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198 | 84b7b8e7 | bellard | #undef ADDR_READ |