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3eb9473e | 1 | /*++\r |
2 | \r | |
4ea9375a HT |
3 | Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r |
4 | This program and the accompanying materials \r | |
3eb9473e | 5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | EfiMgmtModeRuntimeLib.h\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Light weight lib to support EFI drivers.\r | |
19 | \r | |
20 | --*/\r | |
21 | \r | |
22 | #ifndef _EFI_RT_SUPPORT_LIB_H_\r | |
23 | #define _EFI_RT_SUPPORT_LIB_H_\r | |
24 | \r | |
25 | #ifndef EFI_LOAD_IMAGE_SMM\r | |
26 | #define EFI_LOAD_DRIVER_SMM FALSE\r | |
27 | #else\r | |
28 | #define EFI_LOAD_DRIVER_SMM TRUE\r | |
29 | #endif\r | |
30 | \r | |
31 | #ifndef EFI_NO_LOAD_IMAGE_RT\r | |
32 | #define EFI_NO_LOAD_DRIVER_RT FALSE\r | |
33 | #else\r | |
34 | #define EFI_NO_LOAD_DRIVER_RT TRUE\r | |
35 | #endif\r | |
36 | \r | |
37 | #include "EfiCommonLib.h"\r | |
38 | #include "LinkedList.h"\r | |
39 | #include "ProcDep.h"\r | |
40 | \r | |
41 | #include EFI_PROTOCOL_DEFINITION (CpuIo)\r | |
42 | #include EFI_PROTOCOL_DEFINITION (FirmwareVolumeBlock)\r | |
43 | \r | |
44 | //\r | |
45 | // Driver Lib Globals.\r | |
46 | //\r | |
47 | extern EFI_BOOT_SERVICES *gBS;\r | |
48 | extern EFI_SYSTEM_TABLE *gST;\r | |
49 | extern UINTN gRtErrorLevel;\r | |
50 | extern BOOLEAN mEfiLoadDriverSmm;\r | |
51 | extern BOOLEAN mEfiNoLoadDriverRt;\r | |
52 | extern EFI_DEVICE_PATH_PROTOCOL *mFilePath;\r | |
53 | \r | |
54 | //\r | |
55 | // Runtime Memory Allocation/De-Allocation tools (Should be used in Boot Phase only)\r | |
56 | //\r | |
57 | EFI_STATUS\r | |
58 | EfiAllocateRuntimeMemoryPool (\r | |
59 | IN UINTN Size,\r | |
60 | OUT VOID **Buffer\r | |
61 | )\r | |
62 | /*++\r | |
63 | \r | |
64 | Routine Description:\r | |
65 | \r | |
66 | Allocate EfiRuntimeServicesData pool of specified size.\r | |
67 | \r | |
68 | Arguments:\r | |
69 | \r | |
70 | Size - Pool size\r | |
71 | Buffer - Memory pointer for output\r | |
72 | \r | |
73 | Returns:\r | |
74 | \r | |
75 | Status code\r | |
76 | \r | |
77 | --*/\r | |
78 | ;\r | |
79 | \r | |
80 | EFI_STATUS\r | |
81 | EfiFreeRuntimeMemoryPool (\r | |
82 | IN VOID *Buffer\r | |
83 | )\r | |
84 | /*++\r | |
85 | \r | |
86 | Routine Description:\r | |
87 | \r | |
88 | Free allocated pool\r | |
89 | \r | |
90 | Arguments:\r | |
91 | \r | |
92 | Buffer - Pool to be freed\r | |
93 | \r | |
94 | Returns:\r | |
95 | \r | |
96 | Status code\r | |
97 | \r | |
98 | --*/\r | |
99 | ;\r | |
100 | \r | |
101 | EFI_STATUS\r | |
102 | EfiLocateProtocolHandleBuffers (\r | |
103 | IN EFI_GUID *Protocol,\r | |
104 | IN OUT UINTN *NumberHandles,\r | |
105 | OUT EFI_HANDLE **Buffer\r | |
106 | )\r | |
107 | /*++\r | |
108 | \r | |
109 | Routine Description:\r | |
110 | \r | |
111 | Returns an array of handles that support the requested protocol in a buffer allocated from pool.\r | |
112 | \r | |
113 | Arguments:\r | |
114 | \r | |
115 | Protocol - Provides the protocol to search by.\r | |
116 | NumberHandles - The number of handles returned in Buffer.\r | |
117 | Buffer - A pointer to the buffer to return the requested array of handles that\r | |
118 | support Protocol.\r | |
119 | \r | |
120 | Returns:\r | |
121 | \r | |
122 | Status code\r | |
123 | \r | |
124 | --*/\r | |
125 | ;\r | |
126 | \r | |
127 | EFI_STATUS\r | |
128 | EfiHandleProtocol (\r | |
129 | IN EFI_HANDLE Handle,\r | |
130 | IN EFI_GUID *Protocol,\r | |
131 | OUT VOID **Interface\r | |
132 | )\r | |
133 | /*++\r | |
134 | \r | |
135 | Routine Description:\r | |
136 | \r | |
137 | Queries a handle to determine if it supports a specified protocol.\r | |
138 | \r | |
139 | Arguments:\r | |
140 | \r | |
141 | Handle - The handle being queried.\r | |
142 | Protocol - The published unique identifier of the protocol.\r | |
143 | Interface - Supplies the address where a pointer to the corresponding Protocol\r | |
144 | Interface is returned. NULL will be returned in *Interface if a\r | |
145 | structure is not associated with Protocol.\r | |
146 | \r | |
147 | Returns:\r | |
148 | \r | |
149 | Status code\r | |
150 | \r | |
151 | --*/\r | |
152 | ;\r | |
153 | \r | |
154 | EFI_STATUS\r | |
155 | EfiInstallProtocolInterface (\r | |
156 | IN OUT EFI_HANDLE *Handle,\r | |
157 | IN EFI_GUID *Protocol,\r | |
158 | IN EFI_INTERFACE_TYPE InterfaceType,\r | |
159 | IN VOID *Interface\r | |
160 | )\r | |
161 | /*++\r | |
162 | \r | |
163 | Routine Description:\r | |
164 | \r | |
165 | Installs a protocol interface on a device handle. If the handle does not exist, it is created and added\r | |
166 | to the list of handles in the system.\r | |
167 | \r | |
168 | Arguments:\r | |
169 | \r | |
170 | Handle - A pointer to the EFI_HANDLE on which the interface is to be installed.\r | |
171 | Protocol - The numeric ID of the protocol interface.\r | |
172 | InterfaceType - Indicates whether Interface is supplied in native form.\r | |
173 | Interface - A pointer to the protocol interface.\r | |
174 | \r | |
175 | Returns:\r | |
176 | \r | |
177 | Status code\r | |
178 | \r | |
179 | --*/\r | |
180 | ;\r | |
181 | \r | |
182 | EFI_STATUS\r | |
183 | EfiReinstallProtocolInterface (\r | |
184 | IN EFI_HANDLE SmmProtocolHandle,\r | |
185 | IN EFI_GUID *Protocol,\r | |
186 | IN VOID *OldInterface,\r | |
187 | IN VOID *NewInterface\r | |
188 | )\r | |
189 | /*++\r | |
190 | \r | |
191 | Routine Description:\r | |
192 | \r | |
193 | Reinstalls a protocol interface on a device handle.\r | |
194 | \r | |
195 | Arguments:\r | |
196 | \r | |
197 | SmmProtocolHandle - Handle on which the interface is to be reinstalled.\r | |
198 | Protocol - The numeric ID of the interface.\r | |
199 | OldInterface - A pointer to the old interface.\r | |
200 | NewInterface - A pointer to the new interface.\r | |
201 | \r | |
202 | Returns:\r | |
203 | \r | |
204 | Status code\r | |
205 | \r | |
206 | --*/\r | |
207 | ;\r | |
208 | \r | |
209 | EFI_STATUS\r | |
210 | EfiLocateProtocolInterface (\r | |
211 | EFI_GUID *Protocol,\r | |
212 | VOID *Registration, OPTIONAL\r | |
213 | VOID **Interface\r | |
214 | )\r | |
215 | /*++\r | |
216 | \r | |
217 | Routine Description:\r | |
218 | \r | |
219 | Returns the first protocol instance that matches the given protocol.\r | |
220 | \r | |
221 | Arguments:\r | |
222 | \r | |
223 | Protocol - Provides the protocol to search for.\r | |
224 | Registration - Optional registration key returned from\r | |
225 | RegisterProtocolNotify(). If Registration is NULL, then\r | |
226 | it is ignored.\r | |
227 | Interface - On return, a pointer to the first interface that matches Protocol and\r | |
228 | Registration.\r | |
229 | \r | |
230 | Returns:\r | |
231 | \r | |
232 | Status code\r | |
233 | \r | |
234 | --*/\r | |
235 | ;\r | |
236 | \r | |
237 | EFI_STATUS\r | |
238 | UninstallProtocolInterface (\r | |
239 | IN EFI_HANDLE SmmProtocolHandle,\r | |
240 | IN EFI_GUID *Protocol,\r | |
241 | IN VOID *Interface\r | |
242 | )\r | |
243 | /*++\r | |
244 | \r | |
245 | Routine Description:\r | |
246 | \r | |
247 | Removes a protocol interface from a device handle.\r | |
248 | \r | |
249 | Arguments:\r | |
250 | \r | |
251 | SmmProtocolHandle - The handle on which the interface was installed.\r | |
252 | Protocol - The numeric ID of the interface.\r | |
253 | Interface - A pointer to the interface.\r | |
254 | \r | |
255 | Returns:\r | |
256 | \r | |
257 | Status code\r | |
258 | \r | |
259 | --*/\r | |
260 | ;\r | |
261 | \r | |
262 | EFI_STATUS\r | |
263 | EfiRegisterProtocolCallback (\r | |
264 | IN EFI_EVENT_NOTIFY CallbackFunction,\r | |
265 | IN VOID *Context,\r | |
266 | IN EFI_GUID *ProtocolGuid,\r | |
267 | IN EFI_TPL NotifyTpl,\r | |
268 | OUT VOID **Registeration,\r | |
269 | OUT EFI_EVENT *Event\r | |
270 | )\r | |
271 | /*++\r | |
272 | \r | |
273 | Routine Description:\r | |
274 | \r | |
275 | Register a callback function to be signaled whenever an interface is installed for \r | |
276 | a specified protocol.\r | |
277 | \r | |
278 | Arguments:\r | |
279 | \r | |
280 | CallbackFunction - Call back function\r | |
281 | Context - Context of call back function\r | |
282 | ProtocolGuid - The numeric ID of the protocol for which the callback function\r | |
283 | is to be registered.\r | |
284 | NotifyTpl - Notify tpl of callback function\r | |
285 | Registeration - A pointer to a memory location to receive the registration value.\r | |
286 | Event - Event that is to be signaled whenever a protocol interface is registered\r | |
287 | for Protocol.\r | |
288 | \r | |
289 | Returns:\r | |
290 | \r | |
291 | Status code\r | |
292 | \r | |
293 | --*/\r | |
294 | ;\r | |
295 | \r | |
296 | EFI_STATUS\r | |
297 | EfiSignalProtocolEvent (\r | |
298 | EFI_EVENT Event\r | |
299 | )\r | |
300 | /*++\r | |
301 | \r | |
302 | Routine Description:\r | |
303 | \r | |
304 | Signals an event.\r | |
305 | \r | |
306 | Arguments:\r | |
307 | \r | |
308 | Event - The event to signal.\r | |
309 | \r | |
310 | Returns:\r | |
311 | \r | |
312 | Status code\r | |
313 | \r | |
314 | --*/\r | |
315 | ;\r | |
316 | \r | |
317 | EFI_STATUS\r | |
318 | EfiInstallVendorConfigurationTable (\r | |
319 | IN EFI_GUID *Guid,\r | |
320 | IN VOID *Table\r | |
321 | )\r | |
322 | /*++\r | |
323 | \r | |
324 | Routine Description:\r | |
325 | \r | |
326 | Adds, updates, or removes a configuration table entry from the EFI System Table.\r | |
327 | \r | |
328 | Arguments:\r | |
329 | \r | |
330 | Guid - A pointer to the GUID for the entry to add, update, or remove.\r | |
331 | Table - A pointer to the configuration table for the entry to add, update, or\r | |
332 | remove. May be NULL.\r | |
333 | \r | |
334 | Returns:\r | |
335 | \r | |
336 | Status code\r | |
337 | \r | |
338 | --*/\r | |
339 | ;\r | |
340 | \r | |
341 | EFI_STATUS\r | |
342 | EfiGetVendorConfigurationTable (\r | |
343 | IN EFI_GUID *Guid,\r | |
344 | OUT VOID **Table\r | |
345 | )\r | |
346 | /*++\r | |
347 | \r | |
348 | Routine Description:\r | |
349 | \r | |
350 | Return the EFI 1.0 System Tabl entry with TableGuid\r | |
351 | \r | |
352 | Arguments:\r | |
353 | \r | |
354 | Guid - Name of entry to return in the system table\r | |
355 | Table - Pointer in EFI system table associated with TableGuid\r | |
356 | \r | |
357 | Returns: \r | |
358 | \r | |
359 | EFI_SUCCESS - Table returned;\r | |
360 | EFI_NOT_FOUND - TableGuid not in EFI system table\r | |
361 | \r | |
362 | --*/\r | |
363 | ;\r | |
364 | \r | |
365 | EFI_STATUS\r | |
366 | EfiInitializeUtilsRuntimeDriverLib (\r | |
367 | IN EFI_HANDLE ImageHandle,\r | |
368 | IN EFI_SYSTEM_TABLE *SystemTable,\r | |
369 | IN EFI_EVENT_NOTIFY GoVirtualChildEvent\r | |
370 | )\r | |
371 | /*++\r | |
372 | \r | |
373 | Routine Description:\r | |
374 | \r | |
375 | Intialize runtime Driver Lib if it has not yet been initialized. \r | |
376 | \r | |
377 | Arguments:\r | |
378 | \r | |
379 | ImageHandle - The firmware allocated handle for the EFI image.\r | |
380 | \r | |
381 | SystemTable - A pointer to the EFI System Table.\r | |
382 | \r | |
383 | GoVirtualChildEvent - Caller can register a virtual notification event.\r | |
384 | \r | |
385 | Returns: \r | |
386 | \r | |
387 | EFI_STATUS always returns EFI_SUCCESS\r | |
388 | \r | |
389 | --*/\r | |
390 | ;\r | |
391 | \r | |
392 | BOOLEAN\r | |
393 | EfiInManagementInterrupt (\r | |
394 | VOID\r | |
395 | )\r | |
396 | /*++\r | |
397 | \r | |
398 | Routine Description:\r | |
399 | \r | |
400 | Indicate whether the caller is already in SMM or not.\r | |
401 | \r | |
402 | Arguments:\r | |
403 | \r | |
404 | None\r | |
405 | \r | |
406 | Returns:\r | |
407 | \r | |
408 | TRUE - In SMM\r | |
409 | FALSE - Not in SMM\r | |
410 | \r | |
411 | --*/\r | |
412 | ;\r | |
413 | \r | |
414 | //\r | |
415 | // This MACRO initializes the RUNTIME invironment and optionally loads Image to SMM or Non-SMM space\r | |
416 | // based upon the presence of build flags EFI_LOAD_DRIVER_SMM and EFI_NO_LOAD_DRIVER_RT.\r | |
417 | //\r | |
418 | #define EFI_INITIALIZE_RUNTIME_DRIVER_LIB(ImageHandle, SystemTable, GoVirtualChildEvent, FilePath) \\r | |
419 | mEfiLoadDriverSmm = EFI_LOAD_DRIVER_SMM; \\r | |
420 | mEfiNoLoadDriverRt = EFI_NO_LOAD_DRIVER_RT; \\r | |
421 | mFilePath = (EFI_DEVICE_PATH_PROTOCOL*) FilePath; \\r | |
422 | EfiInitializeUtilsRuntimeDriverLib ((EFI_HANDLE) ImageHandle, (EFI_SYSTEM_TABLE*) SystemTable, (EFI_EVENT_NOTIFY) GoVirtualChildEvent); \\r | |
423 | if (!EfiInManagementInterrupt()) { \\r | |
424 | if (mEfiNoLoadDriverRt) { \\r | |
425 | return EFI_SUCCESS; \\r | |
426 | } \\r | |
427 | } \r | |
428 | \r | |
429 | #endif\r |