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1 | /** @file\r |
| 2 | Lib fucntions for SMBIOS. Used to get system serial number and GUID\r |
| 3 | \r |
| 4 | Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\r |
| 5 | This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | which accompanies this distribution. The full text of the license may be found at\r |
| 8 | http://opensource.org/licenses/bsd-license.php\r |
| 9 | \r |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 12 | \r |
| 13 | **/\r |
| 14 | \r |
| 15 | #include "../UefiShellDebug1CommandsLib.h"\r |
| 16 | #include <Guid/Smbios.h>\r |
| 17 | #include "LibSmbios.h"\r |
| 18 | \r |
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19 | /**\r |
| 20 | Return SMBIOS string given the string number.\r |
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21 | \r |
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22 | @param[in] Smbios Pointer to SMBIOS structure.\r |
| 23 | @param[in] StringNumber String number to return. -1 is used to skip all strings and\r |
| 24 | point to the next SMBIOS structure.\r |
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25 | \r |
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26 | @return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1\r |
| 27 | **/\r |
| 28 | CHAR8*\r |
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29 | LibGetSmbiosString (\r |
| 30 | IN SMBIOS_STRUCTURE_POINTER *Smbios,\r |
| 31 | IN UINT16 StringNumber\r |
| 32 | )\r |
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33 | {\r |
| 34 | UINT16 Index;\r |
| 35 | CHAR8 *String;\r |
| 36 | \r |
| 37 | ASSERT (Smbios != NULL);\r |
| 38 | \r |
| 39 | //\r |
| 40 | // Skip over formatted section\r |
| 41 | //\r |
| 42 | String = (CHAR8 *) (Smbios->Raw + Smbios->Hdr->Length);\r |
| 43 | \r |
| 44 | //\r |
| 45 | // Look through unformated section\r |
| 46 | //\r |
| 47 | for (Index = 1; Index <= StringNumber; Index++) {\r |
| 48 | if (StringNumber == Index) {\r |
| 49 | return String;\r |
| 50 | }\r |
| 51 | //\r |
| 52 | // Skip string\r |
| 53 | //\r |
| 54 | for (; *String != 0; String++);\r |
| 55 | String++;\r |
| 56 | \r |
| 57 | if (*String == 0) {\r |
| 58 | //\r |
| 59 | // If double NULL then we are done.\r |
| 60 | // Retrun pointer to next structure in Smbios.\r |
| 61 | // if you pass in a -1 you will always get here\r |
| 62 | //\r |
| 63 | Smbios->Raw = (UINT8 *)++String;\r |
| 64 | return NULL;\r |
| 65 | }\r |
| 66 | }\r |
| 67 | \r |
| 68 | return NULL;\r |
| 69 | }\r |
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