-
Notifications
You must be signed in to change notification settings - Fork 2.8k
/
Copy pathmacro.h
266 lines (226 loc) · 12.5 KB
/
macro.h
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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
#ifndef GUARD_GBA_MACRO_H
#define GUARD_GBA_MACRO_H
#define CPU_FILL_UNCHECKED(value, dest, size, bit) \
{ \
vu##bit tmp = (vu##bit)(value); \
CpuSet((void *)&tmp, \
dest, \
CPU_SET_##bit##BIT | CPU_SET_SRC_FIXED | ((size)/(bit/8) & 0x1FFFFF)); \
}
#if MODERN
#define CPU_FILL(value, dest, size, bit) \
do \
{ \
_Static_assert(_Alignof(dest) >= (bit / 8), "destination potentially unaligned"); \
CPU_FILL_UNCHECKED(value, dest, size, bit); \
} while (0)
#else
#define CPU_FILL(value, dest, size, bit) CPU_FILL_UNCHECKED(value, dest, size, bit)
#endif
#define CpuFill16(value, dest, size) CPU_FILL(value, dest, size, 16)
#define CpuFill32(value, dest, size) CPU_FILL(value, dest, size, 32)
#define CPU_COPY_UNCHECKED(src, dest, size, bit) CpuSet(src, dest, CPU_SET_##bit##BIT | ((size)/(bit/8) & 0x1FFFFF))
#if MODERN
#define CPU_COPY(src, dest, size, bit) \
do \
{ \
_Static_assert(_Alignof(src) >= (bit / 8), "source potentially unaligned"); \
_Static_assert(_Alignof(dest) >= (bit / 8), "destination potentially unaligned"); \
CPU_COPY_UNCHECKED(src, dest, size, bit); \
} while (0)
#else
#define CPU_COPY(src, dest, size, bit) CPU_COPY_UNCHECKED(src, dest, size, bit)
#endif
#define CpuCopy16(src, dest, size) CPU_COPY(src, dest, size, 16)
#define CpuCopy32(src, dest, size) CPU_COPY(src, dest, size, 32)
#define CpuFastFill(value, dest, size) \
{ \
vu32 tmp = (vu32)(value); \
CpuFastSet((void *)&tmp, \
dest, \
CPU_FAST_SET_SRC_FIXED | ((size)/(32/8) & 0x1FFFFF)); \
}
#define CpuFastFill16(value, dest, size) CpuFastFill(((value) << 16) | (value), (dest), (size))
#define CpuFastFill8(value, dest, size) CpuFastFill(((value) << 24) | ((value) << 16) | ((value) << 8) | (value), (dest), (size))
#define CpuFastCopy(src, dest, size) CpuFastSet(src, dest, ((size)/(32/8) & 0x1FFFFF))
#define DmaSetUnchecked(dmaNum, src, dest, control) \
{ \
vu32 *dmaRegs = (vu32 *)REG_ADDR_DMA##dmaNum; \
dmaRegs[0] = (vu32)(src); \
dmaRegs[1] = (vu32)(dest); \
dmaRegs[2] = (vu32)(control); \
dmaRegs[2]; \
}
#if MODERN
// NOTE: Assumes 16-bit DMAs.
#define DmaSet(dmaNum, src, dest, control) \
do \
{ \
_Static_assert(_Alignof(src) >= __builtin_choose_expr(__builtin_constant_p(control), ((control) & (DMA_32BIT << 16)) ? 4 : 2, 2), "source potentially unaligned"); \
_Static_assert(_Alignof(dest) >= __builtin_choose_expr(__builtin_constant_p(control), ((control) & (DMA_32BIT << 16)) ? 4 : 2, 2), "destination potentially unaligned"); \
DmaSetUnchecked(dmaNum, src, dest, control); \
} while (0)
#else
#define DmaSet(dmaNum, src, dest, control) \
DmaSetUnchecked(dmaNum, src, dest, control)
#endif
#define DMA_FILL_UNCHECKED(dmaNum, value, dest, size, bit) \
{ \
vu##bit tmp = (vu##bit)(value); \
DmaSet(dmaNum, \
&tmp, \
dest, \
(DMA_ENABLE | DMA_START_NOW | DMA_##bit##BIT | DMA_SRC_FIXED | DMA_DEST_INC) << 16 \
| ((size)/(bit/8))); \
}
#if MODERN
#define DMA_FILL(dmaNum, value, dest, size, bit) \
do \
{ \
_Static_assert(_Alignof(dest) >= (bit / 8), "destination potentially unaligned"); \
DMA_FILL_UNCHECKED(dmaNum, value, dest, size, bit); \
} while (0)
#else
#define DMA_FILL(dmaNum, value, dest, size, bit) DMA_FILL_UNCHECKED(dmaNum, value, dest, size, bit)
#endif
#define DmaFill16(dmaNum, value, dest, size) DMA_FILL(dmaNum, value, dest, size, 16)
#define DmaFill32(dmaNum, value, dest, size) DMA_FILL(dmaNum, value, dest, size, 32)
// Note that the DMA clear macros cause the DMA control value to be calculated
// at runtime rather than compile time. The size is divided by the DMA transfer
// unit size (2 or 4 bytes) and then combined with the DMA control flags using a
// bitwise OR operation.
#define DMA_CLEAR_UNCHECKED(dmaNum, dest, size, bit) \
{ \
vu##bit *_dest = (vu##bit *)(dest); \
u32 _size = size; \
DmaFill##bit(dmaNum, 0, _dest, _size); \
}
#if MODERN
#define DMA_CLEAR(dmaNum, dest, size, bit) \
do \
{ \
_Static_assert(_Alignof(dest) >= (bit / 8), "destination potentially unaligned"); \
DMA_CLEAR_UNCHECKED(dmaNum, dest, size, bit); \
} while (0)
#else
#define DMA_CLEAR(dmaNum, dest, size, bit) DMA_CLEAR_UNCHECKED(dmaNum, dest, size, bit)
#endif
#define DmaClear16(dmaNum, dest, size) DMA_CLEAR(dmaNum, dest, size, 16)
#define DmaClear32(dmaNum, dest, size) DMA_CLEAR(dmaNum, dest, size, 32)
#define DMA_COPY_UNCHECKED(dmaNum, src, dest, size, bit) \
DmaSet(dmaNum, \
src, \
dest, \
(DMA_ENABLE | DMA_START_NOW | DMA_##bit##BIT | DMA_SRC_INC | DMA_DEST_INC) << 16 \
| ((size)/(bit/8)))
#if MODERN
#define DMA_COPY(dmaNum, src, dest, size, bit) \
do \
{ \
_Static_assert(_Alignof(src) >= (bit / 8), "source potentially unaligned"); \
_Static_assert(_Alignof(dest) >= (bit / 8), "destination potentially unaligned"); \
DMA_COPY_UNCHECKED(dmaNum, src, dest, size, bit); \
} while (0)
#else
#define DMA_COPY(dmaNum, src, dest, size, bit) DMA_COPY_UNCHECKED(dmaNum, src, dest, size, bit)
#endif
#define DmaCopy16(dmaNum, src, dest, size) DMA_COPY(dmaNum, src, dest, size, 16)
#define DmaCopy32(dmaNum, src, dest, size) DMA_COPY(dmaNum, src, dest, size, 32)
#define DmaCopyLarge(dmaNum, src, dest, size, block, bit) \
{ \
const void *_src = src; \
void *_dest = dest; \
u32 _size = size; \
while (1) \
{ \
DmaCopy##bit(dmaNum, _src, _dest, (block)); \
_src += (block); \
_dest += (block); \
_size -= (block); \
if (_size <= (block)) \
{ \
DmaCopy##bit(dmaNum, _src, _dest, _size); \
break; \
} \
} \
}
#define DmaCopyLarge16(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 16)
#define DmaCopyLarge32(dmaNum, src, dest, size, block) DmaCopyLarge(dmaNum, src, dest, size, block, 32)
#define DmaFillLarge(dmaNum, value, dest, size, block, bit) \
{ \
void *_dest = dest; \
u32 _size = size; \
while (1) \
{ \
DmaFill##bit(dmaNum, value, _dest, (block)); \
_dest += (block); \
_size -= (block); \
if (_size <= (block)) \
{ \
DmaFill##bit(dmaNum, value, _dest, _size); \
break; \
} \
} \
}
#define DmaFillLarge16(dmaNum, value, dest, size, block) DmaFillLarge(dmaNum, value, dest, size, block, 16)
#define DmaFillLarge32(dmaNum, value, dest, size, block) DmaFillLarge(dmaNum, value, dest, size, block, 32)
#define DmaClearLarge(dmaNum, dest, size, block, bit) \
{ \
void *_dest = dest; \
u32 _size = size; \
while (1) \
{ \
DmaFill##bit(dmaNum, 0, _dest, (block)); \
_dest += (block); \
_size -= (block); \
if (_size <= (block)) \
{ \
DmaFill##bit(dmaNum, 0, _dest, _size); \
break; \
} \
} \
}
#define DmaClearLarge16(dmaNum, dest, size, block) DmaClearLarge(dmaNum, dest, size, block, 16)
#define DmaClearLarge32(dmaNum, dest, size, block) DmaClearLarge(dmaNum, dest, size, block, 32)
#define DmaCopyDefvars(dmaNum, src, dest, size, bit) \
{ \
const void *_src = src; \
void *_dest = dest; \
u32 _size = size; \
DmaCopy##bit(dmaNum, _src, _dest, _size); \
}
#define DmaCopy16Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 16)
#define DmaCopy32Defvars(dmaNum, src, dest, size) DmaCopyDefvars(dmaNum, src, dest, size, 32)
#define DmaFillDefvars(dmaNum, value, dest, size, bit) \
{ \
void *_dest = dest; \
u32 _size = size; \
DmaFill##bit(dmaNum, value, _dest, _size); \
}
#define DmaFill16Defvars(dmaNum, value, dest, size) DmaFillDefvars(dmaNum, value, dest, size, 16)
#define DmaFill32Defvars(dmaNum, value, dest, size) DmaFillDefvars(dmaNum, value, dest, size, 32)
#define DmaClearDefvars(dmaNum, dest, size, bit) \
{ \
void *_dest = dest; \
u32 _size = size; \
DmaClear##bit(dmaNum, _dest, _size); \
}
#define DmaClear16Defvars(dmaNum, dest, size) DmaClearDefvars(dmaNum, dest, size, 16)
#define DmaClear32Defvars(dmaNum, dest, size) DmaClearDefvars(dmaNum, dest, size, 32)
#define DmaStop(dmaNum) \
{ \
vu16 *dmaRegs = (vu16 *)REG_ADDR_DMA##dmaNum; \
dmaRegs[5] &= ~(DMA_START_MASK | DMA_DREQ_ON | DMA_REPEAT); \
dmaRegs[5] &= ~DMA_ENABLE; \
dmaRegs[5]; \
}
#define IntrEnable(flags) \
{ \
u16 imeTemp; \
\
imeTemp = REG_IME; \
REG_IME = 0; \
REG_IE |= flags; \
REG_IME = imeTemp; \
} \
#endif // GUARD_GBA_MACRO_H