VOID
EFIAPI
fTPMAcpiEvent (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
UINTN TableHandle;
TPM2_CONTROL_AREA *Tpm2ControlArea;
UINT8 *Tpm2AcpiDataPtr;
UINT32 *Memory32Fixed;
EFI_ACPI_TABLE_VERSION Version;
EFI_PHYSICAL_ADDRESS PspBar1Addr;
gBS->CloseEvent (Event);
//
// Locate ACPISupport table. Bail if absent
//
Status = gBS->LocateProtocol (
&gEfiAcpiSupportGuid,
NULL,
&AcpiSupport);
if (EFI_ERROR (Status)) {
return;
}
if (GetPspBar1Addr (&PspBar1Addr)) {
return;
}
Tpm2ControlArea = (TPM2_CONTROL_AREA *) (UINTN) PspBar1Addr;
// Update the TPM ACPI Table for ControlArea location
Tpm2AcpiTable.ControlArea = (EFI_PHYSICAL_ADDRESS) Tpm2ControlArea + 0x10;
//
// Install the ACPI Table
//
PSP_DEBUG ("\tInstall ACPI TPM2 Table\n");
TableHandle = 0;
//(EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0 |
// EFI_ACPI_TABLE_VERSION_4_0 | EFI_ACPI_TABLE_VERSION_5_0)
Version = 0x3E;
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
&Tpm2AcpiTable,
TRUE,
Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
return;
}
PSP_DEBUG ("\tUpdate _CRS Object with actual value\n");
//Update _CRS Object with actual value
for (Tpm2AcpiDataPtr = ((UINT8 *)fTPMAmlData + sizeof (EFI_ACPI_DESCRIPTION_HEADER));
Tpm2AcpiDataPtr <= ((UINT8 *)fTPMAmlData + ((EFI_ACPI_DESCRIPTION_HEADER *)fTPMAmlData)->Length);
Tpm2AcpiDataPtr++
) {
Memory32Fixed = (UINT32 *)Tpm2AcpiDataPtr;
switch (*Memory32Fixed) {
//TPM2.0 Command Buffer allocate by BIOS, should be updated during POST
//Memory32Fixed (ReadWrite, 0xBBBBBBBB, 0x100000)
case 0xBBBBBBBB:
*Memory32Fixed = (UINT32) (Tpm2ControlArea->CommandAddress);
PSP_DEBUG ("Tpm2ControlArea->CommandAddress %x\n", Tpm2ControlArea->CommandAddress);
Tpm2AcpiDataPtr += (sizeof (UINT32) - 1);
break;
//TPM2.0 Response Buffer allocate by BIOS, should be updated during POST
//Memory32Fixed (ReadWrite, 0xCCCCCCCC, 0x100000)
case 0xCCCCCCCC:
*Memory32Fixed = (UINT32) (Tpm2ControlArea->ResponseAddress);
PSP_DEBUG ("Tpm2ControlArea->ResponseAddress %x\n", Tpm2ControlArea->ResponseAddress);
Tpm2AcpiDataPtr += (sizeof (UINT32) - 1);
break;
default:
break;
}
}
PSP_DEBUG ("\tInstall Tpm SSDT table\n");
TableHandle = 0;
AcpiSupport->SetAcpiTable (
AcpiSupport,
fTPMAmlData,
TRUE,
Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
return;
}
PSP_DEBUG ("PublishTables ACPI table\n");
Status = AcpiSupport->PublishTables (AcpiSupport, Version);
if (EFI_ERROR (Status)) {
return;
}
PSP_DEBUG ("fTPMAcpiEvent exit\n");
}
/**
Routine Description:
GC_TODO: Add function description.
Arguments:
Event - GC_TODO: add argument description
Context - GC_TODO: add argument description
Returns:
GC_TODO: add return values
**/
STATIC
VOID
EFIAPI
OnReadyToBoot (
IN EFI_EVENT Event,
IN VOID *Context
)
{
EFI_STATUS Status;
EFI_ACPI_TABLE_VERSION TableVersion;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_ACPI_S3_SAVE_PROTOCOL *AcpiS3Save;
SYSTEM_CONFIGURATION SetupVarBuffer;
UINTN VariableSize;
EFI_PLATFORM_CPU_INFO *PlatformCpuInfoPtr = NULL;
EFI_PLATFORM_CPU_INFO PlatformCpuInfo;
EFI_PEI_HOB_POINTERS GuidHob;
if (mFirstNotify) {
return;
}
mFirstNotify = TRUE;
//
// To avoid compiler warning of "C4701: potentially uninitialized local variable 'PlatformCpuInfo' used".
//
PlatformCpuInfo.CpuVersion.FullCpuId = 0;
//
// Get Platform CPU Info HOB.
//
PlatformCpuInfoPtr = NULL;
ZeroMem (&PlatformCpuInfo, sizeof(EFI_PLATFORM_CPU_INFO));
VariableSize = sizeof(EFI_PLATFORM_CPU_INFO);
Status = gRT->GetVariable(
EfiPlatformCpuInfoVariable,
&gEfiVlv2VariableGuid,
NULL,
&VariableSize,
PlatformCpuInfoPtr
);
if (EFI_ERROR(Status)) {
GuidHob.Raw = GetHobList ();
if (GuidHob.Raw != NULL) {
if ((GuidHob.Raw = GetNextGuidHob (&gEfiPlatformCpuInfoGuid, GuidHob.Raw)) != NULL) {
PlatformCpuInfoPtr = GET_GUID_HOB_DATA (GuidHob.Guid);
}
}
}
if ((PlatformCpuInfoPtr != NULL)) {
CopyMem(&PlatformCpuInfo, PlatformCpuInfoPtr, sizeof(EFI_PLATFORM_CPU_INFO));
}
//
// Update the ACPI parameter blocks finally.
//
VariableSize = sizeof (SYSTEM_CONFIGURATION);
Status = gRT->GetVariable (
L"Setup",
&mSystemConfigurationGuid,
NULL,
&VariableSize,
&SetupVarBuffer
);
ASSERT_EFI_ERROR (Status);
//
// Find the AcpiSupport protocol.
//
Status = LocateSupportProtocol (&gEfiAcpiSupportProtocolGuid, (VOID **) &AcpiSupport, 0);
ASSERT_EFI_ERROR (Status);
TableVersion = EFI_ACPI_TABLE_VERSION_2_0;
//
// Publish ACPI 1.0 or 2.0 Tables.
//
Status = AcpiSupport->PublishTables (
AcpiSupport,
TableVersion
);
ASSERT_EFI_ERROR (Status);
//
// S3 script save.
//
Status = gBS->LocateProtocol (&gEfiAcpiS3SaveProtocolGuid, NULL, (VOID **) &AcpiS3Save);
if (!EFI_ERROR (Status)) {
AcpiS3Save->S3Save (AcpiS3Save, NULL);
}
}
VOID
IScsiPublishIbft (
IN VOID
)
/*++
Routine Description:
Publish and remove the iSCSI Boot Firmware Table according to the iSCSI
session status.
Arguments:
None.
Returns:
None.
--*/
{
EFI_STATUS Status;
UINTN TableHandle;
EFI_ACPI_SUPPORT_PROTOCOL *AcpiSupport;
EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINT8 *Heap;
UINTN Index;
INTN TableIndex;
EFI_ACPI_TABLE_VERSION Version;
UINT32 Signature;
Status = gBS->LocateProtocol (&gEfiAcpiSupportGuid, NULL, &AcpiSupport);
if (EFI_ERROR (Status)) {
return ;
}
//
// Find ACPI table RSD_PTR from system table
//
for (Index = 0, Rsdp = NULL; Index < gST->NumberOfTableEntries; Index++) {
if (EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi30TableGuid) ||
EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpi20TableGuid) ||
EfiCompareGuid (&(gST->ConfigurationTable[Index].VendorGuid), &gEfiAcpiTableGuid)
) {
//
// A match was found.
//
Rsdp = (EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *) gST->ConfigurationTable[Index].VendorTable;
break;
}
}
if (Rsdp == NULL) {
return ;
} else {
Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
}
//
// Try to remove the old iSCSI Boot Firmware Table.
//
for (TableIndex = 0;; TableIndex++) {
Status = AcpiSupport->GetAcpiTable (
AcpiSupport,
TableIndex,
&Table,
&Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
break;
}
Signature = Table->Signature;
NetFreePool (Table);
if (Signature == EFI_ACPI_3_0_ISCSI_BOOT_FIRMWARE_TABLE_SIGNATURE) {
//
// Remove the table.
//
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
NULL,
FALSE,
Version,
&TableHandle
);
if (EFI_ERROR (Status)) {
return ;
}
break;
}
}
//
// Get all iSCSI private protocols.
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&mIScsiPrivateGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Allocate 4k bytes to hold the ACPI table.
//
Table = NetAllocatePool (IBFT_MAX_SIZE);
if (Table == NULL) {
return ;
}
Heap = (CHAR8 *) Table + IBFT_HEAP_OFFSET;
//
// Fill in the various section of the iSCSI Boot Firmware Table.
//
IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
IScsiInitControlSection (Table, HandleCount);
IScsiFillInitiatorSection (Table, &Heap, HandleBuffer[0]);
IScsiFillNICAndTargetSections (Table, &Heap, HandleCount, HandleBuffer);
NetFreePool (HandleBuffer);
TableHandle = 0;
//
// Install or update the iBFT table.
//
Status = AcpiSupport->SetAcpiTable (
AcpiSupport,
Table,
TRUE,
EFI_ACPI_TABLE_VERSION_3_0,
&TableHandle
);
if (!EFI_ERROR (Status)) {
AcpiSupport->PublishTables (AcpiSupport, EFI_ACPI_TABLE_VERSION_3_0);
}
NetFreePool (Table);
}