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
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
|
/** @file
Internal include file for the CPU I/O PPI.
Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _CPU_IO2_PEI_H_
#define _CPU_IO2_PEI_H_
#include <PiDxe.h>
#include <Ppi/CpuIo.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PeiServicesLib.h>
#define MAX_IO_PORT_ADDRESS 0xFFFF
/**
Reads memory-mapped registers.
@param[in] PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Width The width of the access. Enumerated in bytes.
@param[in] Address The physical address of the access.
@param[in] Count The number of accesses to perform.
@param[out] Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The address range specified by Address, Width,
and Count is not valid for this EFI system.
**/
EFI_STATUS
EFIAPI
CpuMemoryServiceRead (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
OUT VOID *Buffer
);
/**
Writes memory-mapped registers.
@param[in] PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Width The width of the access. Enumerated in bytes.
@param[in] Address The physical address of the access.
@param[in] Count The number of accesses to perform.
@param[in] Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The address range specified by Address, Width,
and Count is not valid for this EFI system.
**/
EFI_STATUS
EFIAPI
CpuMemoryServiceWrite (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN VOID *Buffer
);
/**
Reads I/O registers.
@param[in] PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Width The width of the access. Enumerated in bytes.
@param[in] Address The physical address of the access.
@param[in] Count The number of accesses to perform.
@param[out] Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The address range specified by Address, Width,
and Count is not valid for this EFI system.
**/
EFI_STATUS
EFIAPI
CpuIoServiceRead (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
OUT VOID *Buffer
);
/**
Write I/O registers.
@param[in] PeiServices An indirect pointer to the PEI Services Table
published by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Width The width of the access. Enumerated in bytes.
@param[in] Address The physical address of the access.
@param[in] Count The number of accesses to perform.
@param[in] Buffer A pointer to the buffer of data.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER Width is invalid for this EFI system.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The address range specified by Address, Width,
and Count is not valid for this EFI system.
**/
EFI_STATUS
EFIAPI
CpuIoServiceWrite (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
IN UINT64 Address,
IN UINTN Count,
IN VOID *Buffer
);
/**
8-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return An 8-bit value returned from the I/O space.
**/
UINT8
EFIAPI
CpuIoRead8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
16-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 16-bit value returned from the I/O space.
**/
UINT16
EFIAPI
CpuIoRead16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
32-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 32-bit value returned from the I/O space.
**/
UINT32
EFIAPI
CpuIoRead32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
64-bit I/O read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 64-bit value returned from the I/O space.
**/
UINT64
EFIAPI
CpuIoRead64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
8-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuIoWrite8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT8 Data
);
/**
16-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuIoWrite16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT16 Data
);
/**
32-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuIoWrite32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT32 Data
);
/**
64-bit I/O write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuIoWrite64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT64 Data
);
/**
8-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return An 8-bit value returned from the memory space.
**/
UINT8
EFIAPI
CpuMemRead8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
16-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 16-bit value returned from the memory space.
**/
UINT16
EFIAPI
CpuMemRead16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
32-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 32-bit value returned from the memory space.
**/
UINT32
EFIAPI
CpuMemRead32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
64-bit memory read operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@return A 64-bit value returned from the memory space.
**/
UINT64
EFIAPI
CpuMemRead64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address
);
/**
8-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuMemWrite8 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT8 Data
);
/**
16-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuMemWrite16 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT16 Data
);
/**
32-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuMemWrite32 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT32 Data
);
/**
64-bit memory write operations.
@param[in] PeiServices An indirect pointer to the PEI Services Table published
by the PEI Foundation.
@param[in] This Pointer to local data for the interface.
@param[in] Address The physical address of the access.
@param[in] Data The data to write.
**/
VOID
EFIAPI
CpuMemWrite64 (
IN CONST EFI_PEI_SERVICES **PeiServices,
IN CONST EFI_PEI_CPU_IO_PPI *This,
IN UINT64 Address,
IN UINT64 Data
);
#endif
|
