projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 656419f9 RC |
1 | /*\r |
| 2 | * Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>\r | |
| 3 | * Copyright (c) 2014, Pluribus Networks, Inc.\r | |
| 4 | *\r | |
| 5 | * SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 6 | */\r | |
| 7 | \r | |
| 8 | #include "SmbiosPlatformDxe.h"\r | |
| 9 | \r | |
| 10 | #define BHYVE_SMBIOS_PHYSICAL_ADDRESS 0x000F0000\r | |
| 11 | #define BHYVE_SMBIOS_PHYSICAL_END 0x000FFFFF\r | |
| 12 | \r | |
| 13 | /**\r | |
| 14 | Locates the bhyve SMBIOS data if it exists\r | |
| 15 | \r | |
| 16 | @return SMBIOS_TABLE_ENTRY_POINT Address of bhyve SMBIOS data\r | |
| 17 | \r | |
| 18 | **/\r | |
| 19 | SMBIOS_TABLE_ENTRY_POINT *\r | |
| 20 | GetBhyveSmbiosTables (\r | |
| 21 | VOID\r | |
| 22 | )\r | |
| 23 | {\r | |
| 24 | UINT8 *BhyveSmbiosPtr;\r | |
| 25 | SMBIOS_TABLE_ENTRY_POINT *BhyveSmbiosEntryPointStructure;\r | |
| 26 | \r | |
| 27 | for (BhyveSmbiosPtr = (UINT8*)(UINTN) BHYVE_SMBIOS_PHYSICAL_ADDRESS;\r | |
| 28 | BhyveSmbiosPtr < (UINT8*)(UINTN) BHYVE_SMBIOS_PHYSICAL_END;\r | |
| 29 | BhyveSmbiosPtr += 0x10) {\r | |
| 30 | \r | |
| 31 | BhyveSmbiosEntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) BhyveSmbiosPtr;\r | |
| 32 | \r | |
| 33 | if (!AsciiStrnCmp ((CHAR8 *) BhyveSmbiosEntryPointStructure->AnchorString, "_SM_", 4) &&\r | |
| 34 | !AsciiStrnCmp ((CHAR8 *) BhyveSmbiosEntryPointStructure->IntermediateAnchorString, "_DMI_", 5) &&\r | |
| 35 | IsEntryPointStructureValid (BhyveSmbiosEntryPointStructure)) {\r | |
| 36 | \r | |
| 37 | return BhyveSmbiosEntryPointStructure;\r | |
| 38 | \r | |
| 39 | }\r | |
| 40 | }\r | |
| 41 | \r | |
| 42 | return NULL;\r | |
| 43 | }\r |