1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
/*
* Software MMU support
*
* Copyright (c) 2003 Fabrice Bellard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#if DATA_SIZE == 8
#define SUFFIX q
#define USUFFIX q
#define DATA_TYPE uint64_t
#elif DATA_SIZE == 4
#define SUFFIX l
#define USUFFIX l
#define DATA_TYPE uint32_t
#elif DATA_SIZE == 2
#define SUFFIX w
#define USUFFIX uw
#define DATA_TYPE uint16_t
#define DATA_STYPE int16_t
#elif DATA_SIZE == 1
#define SUFFIX b
#define USUFFIX ub
#define DATA_TYPE uint8_t
#define DATA_STYPE int8_t
#else
#error unsupported data size
#endif
#if ACCESS_TYPE < (NB_MMU_MODES)
#if defined(OUTSIDE_JIT)
/* Dispatch calls to __ldx_outside_jit / __stx_outside_jit, which don't
* expect CPU environment. to be cached in ebp register, but rather uses
* cpu_single_env variable for that purpose.
*/
#define MMUSUFFIX _outside_jit
#else // OUTSIDE_JIT
#define MMUSUFFIX _mmu
#endif // OUTSIDE_JIT
#define CPU_MMU_INDEX ACCESS_TYPE
#elif ACCESS_TYPE == (NB_MMU_MODES)
#define CPU_MMU_INDEX (cpu_mmu_index(env))
#define MMUSUFFIX _mmu
#elif ACCESS_TYPE == (NB_MMU_MODES + 1)
#define CPU_MMU_INDEX (cpu_mmu_index(env))
#define MMUSUFFIX _cmmu
#else
#error invalid ACCESS_TYPE
#endif
#if DATA_SIZE == 8
#define RES_TYPE uint64_t
#else
#define RES_TYPE uint32_t
#endif
#if ACCESS_TYPE == (NB_MMU_MODES + 1)
#define ADDR_READ addr_code
#else
#define ADDR_READ addr_read
#endif
/* generic load/store macros */
static inline RES_TYPE glue(glue(ld, USUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int page_index;
RES_TYPE res;
target_ulong addr;
unsigned long physaddr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
res = glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
} else {
physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
res = glue(glue(ld, USUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#if DATA_SIZE <= 2
static inline int glue(glue(lds, SUFFIX), MEMSUFFIX)(target_ulong ptr)
{
int res, page_index;
target_ulong addr;
unsigned long physaddr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].ADDR_READ !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
res = (DATA_STYPE)glue(glue(__ld, SUFFIX), MMUSUFFIX)(addr, mmu_idx);
} else {
physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
res = glue(glue(lds, SUFFIX), _raw)((uint8_t *)physaddr);
}
return res;
}
#endif
#if ACCESS_TYPE != (NB_MMU_MODES + 1)
/* generic store macro */
static inline void glue(glue(st, SUFFIX), MEMSUFFIX)(target_ulong ptr, RES_TYPE v)
{
int page_index;
target_ulong addr;
unsigned long physaddr;
int mmu_idx;
addr = ptr;
page_index = (addr >> TARGET_PAGE_BITS) & (CPU_TLB_SIZE - 1);
mmu_idx = CPU_MMU_INDEX;
if (unlikely(env->tlb_table[mmu_idx][page_index].addr_write !=
(addr & (TARGET_PAGE_MASK | (DATA_SIZE - 1))))) {
glue(glue(__st, SUFFIX), MMUSUFFIX)(addr, v, mmu_idx);
} else {
physaddr = addr + env->tlb_table[mmu_idx][page_index].addend;
glue(glue(st, SUFFIX), _raw)((uint8_t *)physaddr, v);
}
}
#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
#if ACCESS_TYPE != (NB_MMU_MODES + 1)
#if DATA_SIZE == 8
static inline float64 glue(ldfq, MEMSUFFIX)(target_ulong ptr)
{
union {
float64 d;
uint64_t i;
} u;
u.i = glue(ldq, MEMSUFFIX)(ptr);
return u.d;
}
static inline void glue(stfq, MEMSUFFIX)(target_ulong ptr, float64 v)
{
union {
float64 d;
uint64_t i;
} u;
u.d = v;
glue(stq, MEMSUFFIX)(ptr, u.i);
}
#endif /* DATA_SIZE == 8 */
#if DATA_SIZE == 4
static inline float32 glue(ldfl, MEMSUFFIX)(target_ulong ptr)
{
union {
float32 f;
uint32_t i;
} u;
u.i = glue(ldl, MEMSUFFIX)(ptr);
return u.f;
}
static inline void glue(stfl, MEMSUFFIX)(target_ulong ptr, float32 v)
{
union {
float32 f;
uint32_t i;
} u;
u.f = v;
glue(stl, MEMSUFFIX)(ptr, u.i);
}
#endif /* DATA_SIZE == 4 */
#endif /* ACCESS_TYPE != (NB_MMU_MODES + 1) */
#undef RES_TYPE
#undef DATA_TYPE
#undef DATA_STYPE
#undef SUFFIX
#undef USUFFIX
#undef DATA_SIZE
#undef CPU_MMU_INDEX
#undef MMUSUFFIX
#undef ADDR_READ
|
