103b6520 |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006 - 2007, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
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 | HiiDatabase.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | This file contains the entry code to the HII database.\r |
19 | \r |
20 | --*/\r |
21 | \r |
22 | //\r |
23 | // Include common header file for this module.\r |
24 | //\r |
25 | #include "CommonHeader.h"\r |
26 | \r |
27 | #include "HiiDatabase.h"\r |
28 | \r |
29 | EFI_STATUS\r |
30 | EFIAPI\r |
31 | InitializeHiiDatabase (\r |
32 | IN EFI_HANDLE ImageHandle,\r |
33 | IN EFI_SYSTEM_TABLE *SystemTable\r |
34 | )\r |
35 | /*++\r |
36 | \r |
37 | Routine Description:\r |
38 | Initialize HII Database\r |
39 | \r |
40 | Arguments:\r |
41 | (Standard EFI Image entry - EFI_IMAGE_ENTRY_POINT)\r |
42 | \r |
43 | Returns: \r |
44 | EFI_SUCCESS - Setup loaded.\r |
45 | other - Setup Error\r |
46 | \r |
47 | --*/\r |
48 | {\r |
49 | EFI_STATUS Status;\r |
50 | EFI_HII_DATA *HiiData;\r |
51 | EFI_HII_GLOBAL_DATA *GlobalData;\r |
52 | EFI_HANDLE *HandleBuffer;\r |
53 | EFI_HANDLE Handle;\r |
54 | UINTN HandleCount;\r |
55 | UINTN Index;\r |
56 | \r |
57 | //\r |
58 | // There will be only one HII Database in the system\r |
59 | // If there is another out there, someone is trying to install us\r |
60 | // again. Fail that scenario.\r |
61 | //\r |
62 | Status = gBS->LocateHandleBuffer (\r |
63 | ByProtocol,\r |
64 | &gEfiHiiProtocolGuid,\r |
65 | NULL,\r |
66 | &HandleCount,\r |
67 | &HandleBuffer\r |
68 | );\r |
69 | \r |
70 | //\r |
71 | // If there was no error, assume there is an installation and fail to load\r |
72 | //\r |
73 | if (!EFI_ERROR (Status)) {\r |
74 | if (HandleBuffer != NULL) {\r |
75 | FreePool (HandleBuffer);\r |
76 | }\r |
77 | \r |
78 | return EFI_DEVICE_ERROR;\r |
79 | }\r |
80 | \r |
81 | HiiData = AllocatePool (sizeof (EFI_HII_DATA));\r |
82 | \r |
83 | ASSERT (HiiData);\r |
84 | \r |
85 | GlobalData = AllocateZeroPool (sizeof (EFI_HII_GLOBAL_DATA));\r |
86 | \r |
87 | ASSERT (GlobalData);\r |
88 | \r |
89 | //\r |
90 | // Seed the Font Database with a known non-character glyph\r |
91 | //\r |
92 | for (Index = 0; Index <= MAX_GLYPH_COUNT; Index++) {\r |
93 | //\r |
94 | // Seeding the UnicodeWeight with 0 signifies that it is uninitialized\r |
95 | //\r |
96 | GlobalData->NarrowGlyphs[Index].UnicodeWeight = 0;\r |
97 | GlobalData->WideGlyphs[Index].UnicodeWeight = 0;\r |
98 | GlobalData->NarrowGlyphs[Index].Attributes = 0;\r |
99 | GlobalData->WideGlyphs[Index].Attributes = 0;\r |
100 | CopyMem (GlobalData->NarrowGlyphs[Index].GlyphCol1, &mUnknownGlyph, NARROW_GLYPH_ARRAY_SIZE);\r |
101 | CopyMem (GlobalData->WideGlyphs[Index].GlyphCol1, &mUnknownGlyph, WIDE_GLYPH_ARRAY_SIZE);\r |
102 | }\r |
103 | //\r |
104 | // Fill in HII data\r |
105 | //\r |
106 | HiiData->Signature = EFI_HII_DATA_SIGNATURE;\r |
107 | HiiData->GlobalData = GlobalData;\r |
108 | HiiData->GlobalData->SystemKeyboardUpdate = FALSE;\r |
109 | HiiData->DatabaseHead = NULL;\r |
110 | HiiData->Hii.NewPack = HiiNewPack;\r |
111 | HiiData->Hii.RemovePack = HiiRemovePack;\r |
112 | HiiData->Hii.FindHandles = HiiFindHandles;\r |
113 | HiiData->Hii.ExportDatabase = HiiExportDatabase;\r |
114 | HiiData->Hii.GetGlyph = HiiGetGlyph;\r |
115 | HiiData->Hii.GetPrimaryLanguages = HiiGetPrimaryLanguages;\r |
116 | HiiData->Hii.GetSecondaryLanguages = HiiGetSecondaryLanguages;\r |
117 | HiiData->Hii.NewString = HiiNewString;\r |
118 | HiiData->Hii.GetString = HiiGetString;\r |
119 | HiiData->Hii.ResetStrings = HiiResetStrings;\r |
120 | HiiData->Hii.TestString = HiiTestString;\r |
121 | HiiData->Hii.GetLine = HiiGetLine;\r |
122 | HiiData->Hii.GetForms = HiiGetForms;\r |
123 | HiiData->Hii.GetDefaultImage = HiiGetDefaultImage;\r |
124 | HiiData->Hii.UpdateForm = HiiUpdateForm;\r |
125 | HiiData->Hii.GetKeyboardLayout = HiiGetKeyboardLayout;\r |
126 | HiiData->Hii.GlyphToBlt = HiiGlyphToBlt;\r |
127 | \r |
128 | //\r |
129 | // Install protocol interface\r |
130 | //\r |
131 | Handle = NULL;\r |
132 | Status = gBS->InstallProtocolInterface (\r |
133 | &Handle,\r |
134 | &gEfiHiiProtocolGuid,\r |
135 | EFI_NATIVE_INTERFACE,\r |
136 | &HiiData->Hii\r |
137 | );\r |
138 | \r |
139 | ASSERT_EFI_ERROR (Status);\r |
140 | \r |
141 | return Status;\r |
142 | }\r |
143 | \r |
144 | EFI_STATUS\r |
145 | EFIAPI\r |
146 | HiiFindHandles (\r |
147 | IN EFI_HII_PROTOCOL *This,\r |
148 | IN OUT UINT16 *HandleBufferLength,\r |
149 | OUT EFI_HII_HANDLE Handle[1]\r |
150 | )\r |
151 | /*++\r |
152 | \r |
153 | Routine Description:\r |
154 | Determines the handles that are currently active in the database.\r |
155 | \r |
156 | Arguments:\r |
157 | \r |
158 | Returns: \r |
159 | \r |
160 | --*/\r |
161 | {\r |
162 | EFI_HII_HANDLE_DATABASE *Database;\r |
163 | EFI_HII_DATA *HiiData;\r |
164 | UINTN HandleCount;\r |
165 | \r |
166 | if (This == NULL) {\r |
167 | return EFI_INVALID_PARAMETER;\r |
168 | }\r |
169 | \r |
170 | HiiData = EFI_HII_DATA_FROM_THIS (This);\r |
171 | \r |
172 | Database = HiiData->DatabaseHead;\r |
173 | \r |
174 | if (Database == NULL) {\r |
175 | *HandleBufferLength = 0;\r |
176 | return EFI_NOT_FOUND;\r |
177 | }\r |
178 | \r |
179 | for (HandleCount = 0; Database != NULL; HandleCount++) {\r |
180 | Database = Database->NextHandleDatabase;\r |
181 | }\r |
182 | //\r |
183 | // Is there a sufficient buffer for the data being passed back?\r |
184 | //\r |
185 | if (*HandleBufferLength >= (sizeof (EFI_HII_HANDLE) * HandleCount)) {\r |
186 | Database = HiiData->DatabaseHead;\r |
187 | \r |
188 | //\r |
189 | // Copy the Head information\r |
190 | //\r |
191 | if (Database->Handle != 0) {\r |
192 | CopyMem (&Handle[0], &Database->Handle, sizeof (EFI_HII_HANDLE));\r |
193 | Database = Database->NextHandleDatabase;\r |
194 | }\r |
195 | //\r |
196 | // Copy more data if appropriate\r |
197 | //\r |
198 | for (HandleCount = 1; Database != NULL; HandleCount++) {\r |
199 | CopyMem (&Handle[HandleCount], &Database->Handle, sizeof (EFI_HII_HANDLE));\r |
200 | Database = Database->NextHandleDatabase;\r |
201 | }\r |
202 | \r |
203 | *HandleBufferLength = (UINT16) (sizeof (EFI_HII_HANDLE) * HandleCount);\r |
204 | return EFI_SUCCESS;\r |
205 | } else {\r |
206 | //\r |
207 | // Insufficient buffer length\r |
208 | //\r |
209 | *HandleBufferLength = (UINT16) (sizeof (EFI_HII_HANDLE) * HandleCount);\r |
210 | return EFI_BUFFER_TOO_SMALL;\r |
211 | }\r |
212 | }\r |
213 | \r |
214 | EFI_STATUS\r |
215 | EFIAPI\r |
216 | HiiGetPrimaryLanguages (\r |
217 | IN EFI_HII_PROTOCOL *This,\r |
218 | IN EFI_HII_HANDLE Handle,\r |
219 | OUT EFI_STRING *LanguageString\r |
220 | )\r |
221 | /*++\r |
222 | \r |
223 | Routine Description:\r |
224 | \r |
225 | This function allows a program to determine what the primary languages that are supported on a given handle.\r |
226 | \r |
227 | Arguments:\r |
228 | \r |
229 | Returns: \r |
230 | \r |
231 | --*/\r |
232 | {\r |
233 | UINTN Count;\r |
234 | EFI_HII_PACKAGE_INSTANCE *PackageInstance;\r |
235 | EFI_HII_PACKAGE_INSTANCE *StringPackageInstance;\r |
236 | EFI_HII_DATA *HiiData;\r |
237 | EFI_HII_HANDLE_DATABASE *HandleDatabase;\r |
238 | EFI_HII_STRING_PACK *StringPack;\r |
239 | EFI_HII_STRING_PACK *Location;\r |
240 | UINT32 Length;\r |
241 | RELOFST Token;\r |
242 | \r |
243 | if (This == NULL) {\r |
244 | return EFI_INVALID_PARAMETER;\r |
245 | }\r |
246 | \r |
247 | HiiData = EFI_HII_DATA_FROM_THIS (This);\r |
248 | \r |
249 | PackageInstance = NULL;\r |
250 | //\r |
251 | // Find matching handle in the handle database. Then get the package instance.\r |
252 | //\r |
253 | for (HandleDatabase = HiiData->DatabaseHead;\r |
254 | HandleDatabase != NULL;\r |
255 | HandleDatabase = HandleDatabase->NextHandleDatabase\r |
256 | ) {\r |
257 | if (Handle == HandleDatabase->Handle) {\r |
258 | PackageInstance = HandleDatabase->Buffer;\r |
259 | }\r |
260 | }\r |
261 | //\r |
262 | // No handle was found - error condition\r |
263 | //\r |
264 | if (PackageInstance == NULL) {\r |
265 | return EFI_INVALID_PARAMETER;\r |
266 | }\r |
267 | \r |
268 | ValidatePack (This, PackageInstance, &StringPackageInstance, NULL);\r |
269 | \r |
270 | //\r |
271 | // Based on if there is IFR data in this package instance, determine\r |
272 | // what the location is of the beginning of the string data.\r |
273 | //\r |
274 | if (StringPackageInstance->IfrSize > 0) {\r |
275 | StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) (&StringPackageInstance->IfrData) + StringPackageInstance->IfrSize);\r |
276 | } else {\r |
277 | StringPack = (EFI_HII_STRING_PACK *) (&StringPackageInstance->IfrData);\r |
278 | }\r |
279 | \r |
280 | Location = StringPack;\r |
281 | //\r |
282 | // Remember that the string packages are formed into contiguous blocks of language data.\r |
283 | //\r |
284 | CopyMem (&Length, &StringPack->Header.Length, sizeof (UINT32));\r |
285 | for (Count = 0; Length != 0; Count = Count + 3) {\r |
286 | StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) (StringPack) + Length);\r |
287 | CopyMem (&Length, &StringPack->Header.Length, sizeof (UINT32));\r |
288 | }\r |
289 | \r |
290 | *LanguageString = AllocateZeroPool (2 * (Count + 1));\r |
291 | \r |
292 | ASSERT (*LanguageString);\r |
293 | \r |
294 | StringPack = (EFI_HII_STRING_PACK *) Location;\r |
295 | \r |
296 | //\r |
297 | // Copy the 6 bytes to LanguageString - keep concatenating it. Shouldn't we just store uint8's since the ISO\r |
298 | // standard defines the lettering as all US English characters anyway? Save a few bytes.\r |
299 | //\r |
300 | CopyMem (&Length, &StringPack->Header.Length, sizeof (UINT32));\r |
301 | for (Count = 0; Length != 0; Count = Count + 3) {\r |
302 | CopyMem (&Token, &StringPack->LanguageNameString, sizeof (RELOFST));\r |
303 | CopyMem (*LanguageString + Count, (VOID *) ((CHAR8 *) (StringPack) + Token), 6);\r |
304 | StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) (StringPack) + Length);\r |
305 | CopyMem (&Length, &StringPack->Header.Length, sizeof (UINT32));\r |
306 | }\r |
307 | \r |
308 | return EFI_SUCCESS;\r |
309 | }\r |
310 | \r |
311 | EFI_STATUS\r |
312 | EFIAPI\r |
313 | HiiGetSecondaryLanguages (\r |
314 | IN EFI_HII_PROTOCOL *This,\r |
315 | IN EFI_HII_HANDLE Handle,\r |
316 | IN CHAR16 *PrimaryLanguage,\r |
317 | OUT EFI_STRING *LanguageString\r |
318 | )\r |
319 | /*++\r |
320 | \r |
321 | Routine Description:\r |
322 | \r |
323 | This function allows a program to determine which secondary languages are supported \r |
324 | on a given handle for a given primary language.\r |
325 | \r |
326 | Arguments:\r |
327 | \r |
328 | Returns: \r |
329 | \r |
330 | --*/\r |
331 | {\r |
332 | UINTN Count;\r |
333 | EFI_HII_PACKAGE_INSTANCE *PackageInstance;\r |
334 | EFI_HII_PACKAGE_INSTANCE *StringPackageInstance;\r |
335 | EFI_HII_DATA *HiiData;\r |
336 | EFI_HII_HANDLE_DATABASE *HandleDatabase;\r |
337 | EFI_HII_STRING_PACK *StringPack;\r |
338 | RELOFST Token;\r |
339 | UINT32 Length;\r |
340 | \r |
341 | if (This == NULL) {\r |
342 | return EFI_INVALID_PARAMETER;\r |
343 | }\r |
344 | \r |
345 | HiiData = EFI_HII_DATA_FROM_THIS (This);\r |
346 | //\r |
347 | // Check numeric value against the head of the database\r |
348 | //\r |
349 | PackageInstance = NULL;\r |
350 | for (HandleDatabase = HiiData->DatabaseHead;\r |
351 | HandleDatabase != NULL;\r |
352 | HandleDatabase = HandleDatabase->NextHandleDatabase\r |
353 | ) {\r |
354 | //\r |
355 | // Match the numeric value with the database entry - if matched, extract PackageInstance\r |
356 | //\r |
357 | if (Handle == HandleDatabase->Handle) {\r |
358 | PackageInstance = HandleDatabase->Buffer;\r |
359 | }\r |
360 | }\r |
361 | //\r |
362 | // No handle was found - error condition\r |
363 | //\r |
364 | if (PackageInstance == NULL) {\r |
365 | return EFI_INVALID_PARAMETER;\r |
366 | }\r |
367 | \r |
368 | ValidatePack (This, PackageInstance, &StringPackageInstance, NULL);\r |
369 | \r |
370 | //\r |
371 | // Based on if there is IFR data in this package instance, determine\r |
372 | // what the location is of the beginning of the string data.\r |
373 | //\r |
374 | if (StringPackageInstance->IfrSize > 0) {\r |
375 | StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) (&StringPackageInstance->IfrData) + StringPackageInstance->IfrSize);\r |
376 | } else {\r |
377 | StringPack = (EFI_HII_STRING_PACK *) (&StringPackageInstance->IfrData);\r |
378 | }\r |
379 | \r |
380 | //\r |
381 | // Remember that the string packages are formed into contiguous blocks of language data.\r |
382 | //\r |
383 | for (; StringPack->Header.Length != 0;) {\r |
384 | //\r |
385 | // Find the PrimaryLanguage being requested\r |
386 | //\r |
387 | Token = StringPack->LanguageNameString;\r |
388 | if (CompareMem ((VOID *) ((CHAR8 *) (StringPack) + Token), PrimaryLanguage, 3) == 0) {\r |
389 | //\r |
390 | // Now that we found the primary, the secondary languages will follow immediately\r |
391 | // or the next character is a NULL if there are no secondary languages. We determine\r |
392 | // the number by getting the stringsize based on the StringPack origination + the LanguageNameString\r |
393 | // offset + 6 (which is the size of the first 3 letter ISO primary language name). If we get 2, there\r |
394 | // are no secondary languages (2 = null-terminator).\r |
395 | //\r |
396 | Count = StrSize ((VOID *) ((CHAR8 *) (StringPack) + Token + 6));\r |
397 | \r |
398 | *LanguageString = AllocateZeroPool (2 * (Count + 1));\r |
399 | \r |
400 | ASSERT (*LanguageString);\r |
401 | \r |
402 | CopyMem (*LanguageString, (VOID *) ((CHAR8 *) (StringPack) + Token + 6), Count);\r |
403 | break;\r |
404 | }\r |
405 | \r |
406 | CopyMem (&Length, &StringPack->Header.Length, sizeof (UINT32));\r |
407 | StringPack = (EFI_HII_STRING_PACK *) ((CHAR8 *) (StringPack) + Length);\r |
408 | }\r |
409 | \r |
410 | return EFI_SUCCESS;\r |
411 | }\r |
412 | \r |