Files
system76-edk2/OvmfPkg/Bhyve/SmbiosPlatformDxe/Bhyve.c
Rebecca Cran 656419f922 Add BhyvePkg, to support the bhyve hypervisor
BhyvePkg supports the bhyve hypervisor, which is a hypervisor/virtual
machine manager available on FreeBSD, macOS and Illumos.

Signed-off-by: Rebecca Cran <rebecca@bsdio.com>
Message-Id: <20200713054131.479627-2-rebecca@bsdio.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
2020-07-31 13:03:10 +00:00

44 lines
1.2 KiB
C

/*
* Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
* Copyright (c) 2014, Pluribus Networks, Inc.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*/
#include "SmbiosPlatformDxe.h"
#define BHYVE_SMBIOS_PHYSICAL_ADDRESS 0x000F0000
#define BHYVE_SMBIOS_PHYSICAL_END 0x000FFFFF
/**
Locates the bhyve SMBIOS data if it exists
@return SMBIOS_TABLE_ENTRY_POINT Address of bhyve SMBIOS data
**/
SMBIOS_TABLE_ENTRY_POINT *
GetBhyveSmbiosTables (
VOID
)
{
UINT8 *BhyveSmbiosPtr;
SMBIOS_TABLE_ENTRY_POINT *BhyveSmbiosEntryPointStructure;
for (BhyveSmbiosPtr = (UINT8*)(UINTN) BHYVE_SMBIOS_PHYSICAL_ADDRESS;
BhyveSmbiosPtr < (UINT8*)(UINTN) BHYVE_SMBIOS_PHYSICAL_END;
BhyveSmbiosPtr += 0x10) {
BhyveSmbiosEntryPointStructure = (SMBIOS_TABLE_ENTRY_POINT *) BhyveSmbiosPtr;
if (!AsciiStrnCmp ((CHAR8 *) BhyveSmbiosEntryPointStructure->AnchorString, "_SM_", 4) &&
!AsciiStrnCmp ((CHAR8 *) BhyveSmbiosEntryPointStructure->IntermediateAnchorString, "_DMI_", 5) &&
IsEntryPointStructureValid (BhyveSmbiosEntryPointStructure)) {
return BhyveSmbiosEntryPointStructure;
}
}
return NULL;
}