5e973c96 |
1 | /** @file\r |
1fdd39d3 |
2 | BIOS vendor information boot time changes.\r |
3 | Misc. subclass type 2.\r |
4 | SMBIOS type 0.\r |
5e973c96 |
5 | \r |
7ee85aa2 |
6 | Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r |
8f2a5f80 |
7 | This program and the accompanying materials\r |
5e973c96 |
8 | are licensed and made available under the terms and conditions of the BSD License\r |
9 | which accompanies this distribution. The full text of the license may be found at\r |
10 | http://opensource.org/licenses/bsd-license.php\r |
11 | \r |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
1fdd39d3 |
14 | \r |
5e973c96 |
15 | **/\r |
1fdd39d3 |
16 | \r |
17 | #include "MiscSubclassDriver.h"\r |
18 | \r |
19 | /**\r |
20 | This function returns the value & exponent to Base2 for a given\r |
21 | Hex value. This is used to calculate the BiosPhysicalDeviceSize.\r |
22 | \r |
23 | @param Value The hex value which is to be converted into value-exponent form\r |
24 | @param Exponent The exponent out of the conversion\r |
25 | \r |
26 | @retval EFI_SUCCESS All parameters were valid and *Value & *Exponent have been set.\r |
27 | @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r |
28 | \r |
29 | **/\r |
30 | EFI_STATUS \r |
31 | GetValueExponentBase2(\r |
32 | IN OUT UINTN *Value,\r |
33 | OUT UINTN *Exponent\r |
34 | )\r |
35 | {\r |
36 | if ((Value == NULL) || (Exponent == NULL)) {\r |
37 | return EFI_INVALID_PARAMETER;\r |
38 | }\r |
39 | \r |
40 | while ((*Value % 2) == 0) {\r |
41 | *Value=*Value/2;\r |
42 | (*Exponent)++;\r |
43 | }\r |
44 | \r |
45 | return EFI_SUCCESS;\r |
46 | }\r |
47 | \r |
48 | /**\r |
49 | Field Filling Function. Transform an EFI_EXP_BASE2_DATA to a byte, with '64k'\r |
50 | as the unit.\r |
51 | \r |
52 | @param Base2Data Pointer to Base2_Data\r |
53 | \r |
54 | @retval EFI_SUCCESS Transform successfully. \r |
55 | @retval EFI_INVALID_PARAMETER Invalid parameter was found. \r |
56 | \r |
57 | **/\r |
58 | UINT16\r |
59 | Base2ToByteWith64KUnit (\r |
60 | IN EFI_EXP_BASE2_DATA *Base2Data\r |
61 | )\r |
62 | { \r |
63 | UINT16 Value;\r |
64 | UINT16 Exponent;\r |
65 | \r |
66 | Value = Base2Data->Value;\r |
67 | Exponent = Base2Data->Exponent;\r |
68 | Exponent -= 16;\r |
69 | Value <<= Exponent;\r |
70 | \r |
71 | return Value;\r |
72 | }\r |
73 | \r |
74 | \r |
75 | /**\r |
76 | This function makes boot time changes to the contents of the\r |
77 | MiscBiosVendor (Type 0).\r |
78 | \r |
79 | @param RecordData Pointer to copy of RecordData from the Data Table.\r |
80 | \r |
81 | @retval EFI_SUCCESS All parameters were valid.\r |
82 | @retval EFI_UNSUPPORTED Unexpected RecordType value.\r |
83 | @retval EFI_INVALID_PARAMETER Invalid parameter was found.\r |
84 | \r |
85 | **/\r |
86 | MISC_SMBIOS_TABLE_FUNCTION(MiscBiosVendor)\r |
87 | {\r |
88 | CHAR8 *OptionalStrStart;\r |
89 | UINTN VendorStrLen;\r |
90 | UINTN VerStrLen;\r |
91 | UINTN DateStrLen;\r |
92 | CHAR16 *Version;\r |
93 | CHAR16 *ReleaseDate;\r |
94 | EFI_STATUS Status;\r |
95 | EFI_STRING Char16String;\r |
96 | STRING_REF TokenToGet;\r |
97 | STRING_REF TokenToUpdate;\r |
98 | SMBIOS_TABLE_TYPE0 *SmbiosRecord;\r |
99 | EFI_SMBIOS_HANDLE SmbiosHandle;\r |
100 | EFI_MISC_BIOS_VENDOR *ForType0InputData;\r |
101 | \r |
102 | ForType0InputData = (EFI_MISC_BIOS_VENDOR *)RecordData;\r |
103 | \r |
104 | //\r |
105 | // First check for invalid parameters.\r |
106 | //\r |
107 | if (RecordData == NULL) {\r |
108 | return EFI_INVALID_PARAMETER;\r |
109 | }\r |
110 | \r |
111 | Version = (CHAR16 *) PcdGetPtr (PcdFirmwareVersionString);\r |
112 | if (StrLen (Version) > 0) { \r |
113 | TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r |
114 | HiiSetString (mHiiHandle, TokenToUpdate, Version, NULL);\r |
115 | }\r |
116 | \r |
117 | ReleaseDate = (CHAR16 *) PcdGetPtr (PcdFirmwareReleaseDateString);\r |
118 | if (StrLen(ReleaseDate) > 0) {\r |
119 | TokenToUpdate = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r |
120 | HiiSetString (mHiiHandle, TokenToUpdate, ReleaseDate, NULL);\r |
121 | }\r |
122 | \r |
123 | TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VENDOR);\r |
124 | Char16String = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r |
125 | VendorStrLen = StrLen(Char16String);\r |
126 | if (VendorStrLen > SMBIOS_STRING_MAX_LENGTH) {\r |
127 | return EFI_UNSUPPORTED;\r |
128 | }\r |
129 | \r |
130 | TokenToGet = STRING_TOKEN (STR_MISC_BIOS_VERSION);\r |
131 | Version = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r |
132 | VerStrLen = StrLen(Version);\r |
133 | if (VerStrLen > SMBIOS_STRING_MAX_LENGTH) {\r |
134 | return EFI_UNSUPPORTED;\r |
135 | }\r |
136 | \r |
137 | TokenToGet = STRING_TOKEN (STR_MISC_BIOS_RELEASE_DATE);\r |
138 | ReleaseDate = HiiGetPackageString(&gEfiCallerIdGuid, TokenToGet, NULL);\r |
139 | DateStrLen = StrLen(ReleaseDate);\r |
140 | if (DateStrLen > SMBIOS_STRING_MAX_LENGTH) {\r |
141 | return EFI_UNSUPPORTED;\r |
142 | }\r |
143 | \r |
144 | //\r |
145 | // Two zeros following the last string.\r |
146 | //\r |
147 | SmbiosRecord = AllocatePool(sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1);\r |
148 | ZeroMem(SmbiosRecord, sizeof (SMBIOS_TABLE_TYPE0) + VendorStrLen + 1 + VerStrLen + 1 + DateStrLen + 1 + 1);\r |
149 | \r |
150 | SmbiosRecord->Hdr.Type = EFI_SMBIOS_TYPE_BIOS_INFORMATION;\r |
151 | SmbiosRecord->Hdr.Length = sizeof (SMBIOS_TABLE_TYPE0);\r |
152 | //\r |
153 | // Make handle chosen by smbios protocol.add automatically.\r |
154 | //\r |
155 | SmbiosRecord->Hdr.Handle = 0;\r |
156 | //\r |
157 | // Vendor will be the 1st optional string following the formatted structure.\r |
158 | //\r |
159 | SmbiosRecord->Vendor = 1; \r |
160 | //\r |
161 | // Version will be the 2nd optional string following the formatted structure.\r |
162 | //\r |
163 | SmbiosRecord->BiosVersion = 2;\r |
164 | SmbiosRecord->BiosSegment = (UINT16)ForType0InputData->BiosStartingAddress;\r |
165 | //\r |
166 | // ReleaseDate will be the 3rd optional string following the formatted structure.\r |
167 | //\r |
168 | SmbiosRecord->BiosReleaseDate = 3;\r |
169 | //\r |
170 | // Nt32 has no PCD value to indicate BIOS Size, just fill 0 for simply.\r |
171 | //\r |
172 | SmbiosRecord->BiosSize = 0;\r |
173 | SmbiosRecord->BiosCharacteristics = *(MISC_BIOS_CHARACTERISTICS*)(&ForType0InputData->BiosCharacteristics1);\r |
174 | //\r |
175 | // CharacterExtensionBytes also store in ForType0InputData->BiosCharacteristics1 later two bytes to save size.\r |
176 | //\r |
177 | SmbiosRecord->BIOSCharacteristicsExtensionBytes[0] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 4);\r |
178 | SmbiosRecord->BIOSCharacteristicsExtensionBytes[1] = *((UINT8 *) &ForType0InputData->BiosCharacteristics1 + 5);\r |
179 | \r |
180 | SmbiosRecord->SystemBiosMajorRelease = ForType0InputData->BiosMajorRelease;\r |
181 | SmbiosRecord->SystemBiosMinorRelease = ForType0InputData->BiosMinorRelease;\r |
182 | SmbiosRecord->EmbeddedControllerFirmwareMajorRelease = ForType0InputData->BiosEmbeddedFirmwareMajorRelease;\r |
183 | SmbiosRecord->EmbeddedControllerFirmwareMinorRelease = ForType0InputData->BiosEmbeddedFirmwareMinorRelease;\r |
184 | \r |
185 | OptionalStrStart = (CHAR8 *)(SmbiosRecord + 1);\r |
186 | UnicodeStrToAsciiStr(Char16String, OptionalStrStart);\r |
187 | UnicodeStrToAsciiStr(Version, OptionalStrStart + VendorStrLen + 1);\r |
188 | UnicodeStrToAsciiStr(ReleaseDate, OptionalStrStart + VendorStrLen + 1 + VerStrLen + 1);\r |
189 | //\r |
190 | // Now we have got the full smbios record, call smbios protocol to add this record.\r |
191 | //\r |
7ee85aa2 |
192 | Status = AddSmbiosRecord (Smbios, &SmbiosHandle, (EFI_SMBIOS_TABLE_HEADER *) SmbiosRecord);\r |
1fdd39d3 |
193 | \r |
194 | FreePool(SmbiosRecord);\r |
195 | return Status;\r |
196 | }\r |