/**
Init the SMBIOS VIEW API's environment.
@retval EFI_SUCCESS Successful to init the SMBIOS VIEW Lib.
**/
EFI_STATUS
LibSmbios64BitInit (
VOID
)
{
EFI_STATUS Status;
//
// Init only once
//
if (m64Init == 1) {
return EFI_SUCCESS;
}
//
// Get SMBIOS table from System Configure table
//
Status = GetSystemConfigurationTable (&gEfiSmbios3TableGuid, (VOID**)&mSmbios64BitTable);
if (mSmbios64BitTable == NULL) {
return EFI_NOT_FOUND;
}
if (EFI_ERROR (Status)) {
ShellPrintHiiEx(-1,-1,NULL,STRING_TOKEN (STR_SMBIOSVIEW_LIBSMBIOSVIEW_GET_TABLE_ERROR), gShellDebug1HiiHandle, Status);
return Status;
}
//
// Init SMBIOS structure table address
//
mSmbios64BitStruct->Raw = (UINT8 *) (UINTN) (mSmbios64BitTable->TableAddress);
m64Init = 1;
return EFI_SUCCESS;
}
EFI_STATUS
Main(
VOID
)
{
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupportProtocol;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBiosProtocol;
UINT64 Handel = 0;
UINTN DataSize = 0;
EFI_TPL OldTpl;
EFI_STATUS Status = EFI_UNSUPPORTED;
Rsdp20Tbl_t *RsdpTable = 0;
Rsdp20Tbl_t *LegacyRsdpTable = 0;
RsdtTbl_t *RsdtTable = 0;
XsdtTbl_t *XsdtTable = 0;
SlicTbl_t *SlicTable = 0;
AcpiTbl_t *AcpiTable = 0;
VOID *LegacyAddress = 0;
UINT8 SlpString[0x20] = { 0 };
UINTN i = 0;
//=========================================================================//
// code starts //
//=========================================================================//
SlicTable = (SlicTbl_t *)SLIC;
//=========================================================================//
// add Marker and Public Key to empty SLIC //
//=========================================================================//
DataSize = sizeof(Marker_t);
if (RS->GetVariable(OaMarkerName, &OaMarkerGuid, 0, &DataSize, &SlicTable->Marker) != EFI_SUCCESS ||
DataSize != sizeof(Marker_t)) {
return EFI_NOT_FOUND;
}
DataSize = sizeof(PublicKey_t);
if (RS->GetVariable(OaPublicKeyName, &OaPublicKeyGuid, 0, &DataSize, &SlicTable->PublicKey) != EFI_SUCCESS ||
DataSize != sizeof(PublicKey_t)) {
return EFI_NOT_FOUND;
}
//=========================================================================//
// copy OemId, OemTableId from Marker to SLIC ACPI header //
//=========================================================================//
BS->CopyMem(SlicTable->Header.OemId, SlicTable->Marker.OemId, 6);
BS->CopyMem(SlicTable->Header.OemTableId, SlicTable->Marker.OemTableId, 8);
//=========================================================================//
// add SLIC to ACPI tables //
//=========================================================================//
if(BS->LocateProtocol(&AcpiProtocolGuid, NULL, (VOID **) &AcpiSupportProtocol) == EFI_SUCCESS) {
Status = AcpiSupportProtocol->SetAcpiTable(AcpiSupportProtocol, (VOID *)SLIC, TRUE,
EFI_ACPI_TABLE_VERSION_1_0B|EFI_ACPI_TABLE_VERSION_2_0|EFI_ACPI_TABLE_VERSION_3_0, &Handel);
}
if (Status != EFI_SUCCESS) {
return Status;
}
#if SLP_INJECT == 1
//=========================================================================//
// add SLP 1.0 string to legacy region //
//=========================================================================//
DataSize = sizeof(SlpString);
if (RS->GetVariable(OaSlpName, &OaSlpGuid, 0, &DataSize, SlpString) == EFI_SUCCESS) {
if (BS->LocateProtocol(&LegacyBiosGuid, NULL, (VOID **)&LegacyBiosProtocol) == EFI_SUCCESS) {
if (LegacyBiosProtocol->GetLegacyRegion(LegacyBiosProtocol, sizeof(SlpString), 1, 2, &LegacyAddress) == EFI_SUCCESS) {
Status = LegacyBiosProtocol->CopyLegacyRegion(LegacyBiosProtocol, DataSize, LegacyAddress, SlpString);
}
}
}
#endif
//=========================================================================//
// find ACPI tables //
//=========================================================================//
OldTpl = BS->RaiseTPL(TPL_HIGH_LEVEL);
Status = GetSystemConfigurationTable (&EfiAcpi20TableGuid, (VOID **)&RsdpTable);
if (EFI_ERROR (Status)) {
Status = GetSystemConfigurationTable (&EfiAcpiTableGuid, (VOID **)&RsdpTable);
}
if (Status == EFI_SUCCESS) {
if (RsdpTable->Revision == 0) {
RsdtTable = (RsdtTbl_t *) RsdpTable->RSDTAddress;
}
else if (RsdpTable->Revision == 2) {
RsdtTable = (RsdtTbl_t *) RsdpTable->RSDTAddress;
XsdtTable = (XsdtTbl_t *) RsdpTable->XSDTAddress;
}
else {
return EFI_UNSUPPORTED;
}
}
else {
return EFI_NOT_FOUND;
}
//=========================================================================//
// copy SLIC OemId, OemTableId to RSDP, RSDT, XSDT //
//=========================================================================//
#if PATCH_TABLES == 1
DataSize = (RsdtTable->Header.Length - sizeof(AcpiHeader_t)) << 2;
for(i = 0 ; i < DataSize; i++) {
AcpiTable = (AcpiTbl_t *) RsdtTable->Entry[i];
if (AcpiTable != NULL) {
if (CompareMem(AcpiTable->Header.OemId, RsdtTable->Header.OemId, 6) == 0 &&
CompareMem(AcpiTable->Header.OemTableId, RsdtTable->Header.OemTableId, 8) == 0) {
BS->CopyMem(AcpiTable->Header.OemId, SlicTable->Header.OemId, 6);
BS->CopyMem(AcpiTable->Header.OemTableId, SlicTable->Header.OemTableId, 8);
AcpiTable->Header.Checksum = 0;
AcpiTable->Header.Checksum = ComputeChecksum((UINT8 *) AcpiTable, AcpiTable->Header.Length);
}
}
}
#endif
BS->CopyMem(RsdtTable->Header.OemId, SlicTable->Header.OemId, 6);
BS->CopyMem(RsdtTable->Header.OemTableId, SlicTable->Header.OemTableId, 8);
RsdtTable->Header.Checksum = 0;
RsdtTable->Header.Checksum = ComputeChecksum((UINT8 *) RsdtTable, RsdtTable->Header.Length);
BS->CopyMem(RsdpTable->OemId, SlicTable->Header.OemId, 6);
RsdpTable->Checksum = 0;
RsdpTable->Checksum = ComputeChecksum((UINT8 *) RsdpTable, 0x14);
if(RsdpTable->Revision == 2) {
#if PATCH_TABLES == 1
DataSize = (XsdtTable->Header.Length - sizeof(AcpiHeader_t)) << 3;
for(i = 0 ; i < DataSize; i++) {
AcpiTable = (AcpiTbl_t *) (XsdtTable->Entry[i] & 0xFFFFFFFF);
if (AcpiTable != NULL) {
if (CompareMem(AcpiTable->Header.OemId, XsdtTable->Header.OemId, 6) == 0 &&
CompareMem(AcpiTable->Header.OemTableId, XsdtTable->Header.OemTableId, 8) == 0) {
BS->CopyMem(AcpiTable->Header.OemId, SlicTable->Header.OemId, 6);
BS->CopyMem(AcpiTable->Header.OemTableId, SlicTable->Header.OemTableId, 8);
AcpiTable->Header.Checksum = 0;
AcpiTable->Header.Checksum = ComputeChecksum((UINT8 *) AcpiTable, AcpiTable->Header.Length);
}
}
}
#endif
RsdpTable->ExtendedChecksum = 0;
RsdpTable->ExtendedChecksum = ComputeChecksum((UINT8 *) RsdpTable, RsdpTable->Length);
BS->CopyMem(XsdtTable->Header.OemId, SlicTable->Header.OemId, 6);
BS->CopyMem(XsdtTable->Header.OemTableId, SlicTable->Header.OemTableId, 8);
XsdtTable->Header.Checksum = 0;
XsdtTable->Header.Checksum = ComputeChecksum((UINT8 *) XsdtTable, XsdtTable->Header.Length);
}
//=========================================================================//
// copy OemId to RSDP in legacy region //
//=========================================================================//
LegacyRsdpTable = (Rsdp20Tbl_t *) FindAcpiRsdPtr();
if (LegacyRsdpTable != NULL && LegacyUnlock() == EFI_SUCCESS)
{
BS->CopyMem(LegacyRsdpTable->OemId, SlicTable->Header.OemId, 6);
LegacyRsdpTable->RSDTAddress = RsdpTable->RSDTAddress;
LegacyRsdpTable->Checksum = 0;
LegacyRsdpTable->Checksum = ComputeChecksum((UINT8 *) LegacyRsdpTable, 0x14);
if(LegacyRsdpTable->Revision == 2) {
LegacyRsdpTable->XSDTAddress = RsdpTable->XSDTAddress;
LegacyRsdpTable->ExtendedChecksum = 0;
LegacyRsdpTable->ExtendedChecksum = ComputeChecksum((UINT8 *) LegacyRsdpTable, LegacyRsdpTable->Length);
}
LegacyLock();
}
BS->RestoreTPL(OldTpl);
return Status;
}