/**
This function initialize basic context for FRM.
**/
VOID
InitBasicContext (
VOID
)
{
UINT32 RegEax;
mHostContextCommon.CpuNum = GetCpuNumFromAcpi ();
GetPciExpressInfoFromAcpi (&mHostContextCommon.PciExpressBaseAddress, &mHostContextCommon.PciExpressLength);
PcdSet64 (PcdPciExpressBaseAddress, mHostContextCommon.PciExpressBaseAddress);
if (mHostContextCommon.PciExpressBaseAddress == 0) {
CpuDeadLoop ();
}
mHostContextCommon.AcpiTimerIoPortBaseAddress = GetAcpiTimerPort (&mHostContextCommon.AcpiTimerWidth);
PcdSet16 (PcdAcpiTimerIoPortBaseAddress, mHostContextCommon.AcpiTimerIoPortBaseAddress);
PcdSet8 (PcdAcpiTimerWidth, mHostContextCommon.AcpiTimerWidth);
if (mHostContextCommon.AcpiTimerIoPortBaseAddress == 0) {
CpuDeadLoop ();
}
mHostContextCommon.ResetIoPortBaseAddress = GetAcpiResetPort ();
mHostContextCommon.AcpiPmControlIoPortBaseAddress = GetAcpiPmControlPort ();
if (mHostContextCommon.AcpiPmControlIoPortBaseAddress == 0) {
CpuDeadLoop ();
}
mHostContextCommon.HostContextPerCpu = AllocatePages (FRM_SIZE_TO_PAGES(sizeof(FRM_HOST_CONTEXT_PER_CPU)) * mHostContextCommon.CpuNum);
mGuestContextCommon.GuestContextPerCpu = AllocatePages (FRM_SIZE_TO_PAGES(sizeof(FRM_GUEST_CONTEXT_PER_CPU)) * mHostContextCommon.CpuNum);
mHostContextCommon.LowMemoryBase = mCommunicationData.LowMemoryBase;
mHostContextCommon.LowMemorySize = mCommunicationData.LowMemorySize;
mHostContextCommon.LowMemoryBackupBase = (UINT64)(UINTN)AllocatePages (FRM_SIZE_TO_PAGES ((UINTN)mCommunicationData.LowMemorySize));
//
// Save current context
//
mBspIndex = ApicToIndex (ReadLocalApicId ());
mGuestContextCommon.GuestContextPerCpu[mBspIndex].Cr0 = AsmReadCr0 ();
mGuestContextCommon.GuestContextPerCpu[mBspIndex].Cr3 = AsmReadCr3 ();
mGuestContextCommon.GuestContextPerCpu[mBspIndex].Cr4 = AsmReadCr4 ();
AsmReadGdtr (&mGuestContextCommon.GuestContextPerCpu[mBspIndex].Gdtr);
AsmReadIdtr (&mGuestContextCommon.GuestContextPerCpu[mBspIndex].Idtr);
AsmCpuid (CPUID_EXTENDED_INFORMATION, &RegEax, NULL, NULL, NULL);
if (RegEax >= CPUID_EXTENDED_ADDRESS_SIZE) {
AsmCpuid (CPUID_EXTENDED_ADDRESS_SIZE, &RegEax, NULL, NULL, NULL);
mHostContextCommon.PhysicalAddressBits = (UINT8)RegEax;
} else {
mHostContextCommon.PhysicalAddressBits = 36;
}
}
/**
Do the platform init, can be customized by OEM/IBV
Possible things that can be done in PlatformBootManagerBeforeConsole:
> Update console variable: 1. include hot-plug devices;
> 2. Clear ConIn and add SOL for AMT
> Register new Driver#### or Boot####
> Register new Key####: e.g.: F12
> Signal ReadyToLock event
> Authentication action: 1. connect Auth devices;
> 2. Identify auto logon user.
**/
VOID
EFIAPI
PlatformBootManagerBeforeConsole (
VOID
)
{
//
// Signal EndOfDxe PI Event
//
EfiEventGroupSignal (&gEfiEndOfDxeEventGroupGuid);
//
// Locate the PCI root bridges and make the PCI bus driver connect each,
// non-recursively. This will produce a number of child handles with PciIo on
// them.
//
FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);
//
// Signal the ACPI platform driver that it can download QEMU ACPI tables.
//
EfiEventGroupSignal (&gRootBridgesConnectedEventGroupGuid);
//
// Find all display class PCI devices (using the handles from the previous
// step), and connect them non-recursively. This should produce a number of
// child handles with GOPs on them.
//
FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);
//
// Now add the device path of all handles with GOP on them to ConOut and
// ErrOut.
//
FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);
//
// Add the hardcoded short-form USB keyboard device path to ConIn.
//
EfiBootManagerUpdateConsoleVariable (ConIn,
(EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);
//
// Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.
//
CopyGuid (&mSerialConsole.TermType.Guid,
PcdGetPtr (PcdTerminalTypeGuidBuffer));
EfiBootManagerUpdateConsoleVariable (ConIn,
(EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
EfiBootManagerUpdateConsoleVariable (ConOut,
(EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
EfiBootManagerUpdateConsoleVariable (ErrOut,
(EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
//
// Set the front page timeout from the QEMU configuration.
//
PcdSet16 (PcdPlatformBootTimeOut, GetFrontPageTimeoutFromQemu ());
//
// Register platform-specific boot options and keyboard shortcuts.
//
PlatformRegisterOptionsAndKeys ();
}
VOID
MiscInitialization (
VOID
)
{
UINTN PmCmd;
UINTN Pmba;
UINTN AcpiCtlReg;
UINT8 AcpiEnBit;
//
// Disable A20 Mask
//
IoOr8 (0x92, BIT1);
//
// Build the CPU HOB with guest RAM size dependent address width and 16-bits
// of IO space. (Side note: unlike other HOBs, the CPU HOB is needed during
// S3 resume as well, so we build it unconditionally.)
//
BuildCpuHob (mPhysMemAddressWidth, 16);
//
// Determine platform type and save Host Bridge DID to PCD
//
switch (mHostBridgeDevId) {
case INTEL_82441_DEVICE_ID:
PmCmd = POWER_MGMT_REGISTER_PIIX4 (PCI_COMMAND_OFFSET);
Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);
AcpiCtlReg = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMREGMISC);
AcpiEnBit = PIIX4_PMREGMISC_PMIOSE;
break;
case INTEL_Q35_MCH_DEVICE_ID:
PmCmd = POWER_MGMT_REGISTER_Q35 (PCI_COMMAND_OFFSET);
Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);
AcpiCtlReg = POWER_MGMT_REGISTER_Q35 (ICH9_ACPI_CNTL);
AcpiEnBit = ICH9_ACPI_CNTL_ACPI_EN;
break;
default:
DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",
__FUNCTION__, mHostBridgeDevId));
ASSERT (FALSE);
return;
}
PcdSet16 (PcdOvmfHostBridgePciDevId, mHostBridgeDevId);
//
// If the appropriate IOspace enable bit is set, assume the ACPI PMBA
// has been configured (e.g., by Xen) and skip the setup here.
// This matches the logic in AcpiTimerLibConstructor ().
//
if ((PciRead8 (AcpiCtlReg) & AcpiEnBit) == 0) {
//
// The PEI phase should be exited with fully accessibe ACPI PM IO space:
// 1. set PMBA
//
PciAndThenOr32 (Pmba, (UINT32) ~0xFFC0, PcdGet16 (PcdAcpiPmBaseAddress));
//
// 2. set PCICMD/IOSE
//
PciOr8 (PmCmd, EFI_PCI_COMMAND_IO_SPACE);
//
// 3. set ACPI PM IO enable bit (PMREGMISC:PMIOSE or ACPI_CNTL:ACPI_EN)
//
PciOr8 (AcpiCtlReg, AcpiEnBit);
}
if (mHostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {
//
// Set Root Complex Register Block BAR
//
PciWrite32 (
POWER_MGMT_REGISTER_Q35 (ICH9_RCBA),
ICH9_ROOT_COMPLEX_BASE | ICH9_RCBA_EN
);
//
// Set PCI Express Register Range Base Address
//
PciExBarInitialization ();
}
}
/**
Function handling request to apply changes for BMM pages.
@param Private Pointer to callback data buffer.
@param CurrentFakeNVMap Pointer to buffer holding data of various values used by BMM
@param FormId ID of the form which has sent the request to apply change.
@retval EFI_SUCCESS Change successfully applied.
@retval Other Error occurs while trying to apply changes.
**/
EFI_STATUS
ApplyChangeHandler (
IN BMM_CALLBACK_DATA *Private,
IN BMM_FAKE_NV_DATA *CurrentFakeNVMap,
IN EFI_FORM_ID FormId
)
{
BM_CONSOLE_CONTEXT *NewConsoleContext;
BM_TERMINAL_CONTEXT *NewTerminalContext;
BM_LOAD_CONTEXT *NewLoadContext;
BM_MENU_ENTRY *NewMenuEntry;
EFI_STATUS Status;
UINT16 Index;
Status = EFI_SUCCESS;
switch (FormId) {
case FORM_SET_FD_ORDER_ID:
case FORM_SET_HD_ORDER_ID:
case FORM_SET_CD_ORDER_ID:
case FORM_SET_NET_ORDER_ID:
case FORM_SET_BEV_ORDER_ID:
Var_UpdateBBSOption (Private);
break;
case FORM_BOOT_DEL_ID:
for (Index = 0;
((Index < BootOptionMenu.MenuNumber) && (Index < (sizeof (CurrentFakeNVMap->BootOptionDel) / sizeof (UINT8))));
Index ++) {
NewMenuEntry = BOpt_GetMenuEntry (&BootOptionMenu, Index);
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
NewLoadContext->Deleted = CurrentFakeNVMap->BootOptionDel[Index];
}
Var_DelBootOption ();
break;
case FORM_DRV_DEL_ID:
for (Index = 0;
((Index < DriverOptionMenu.MenuNumber) && (Index < (sizeof (CurrentFakeNVMap->DriverOptionDel) / sizeof (UINT8))));
Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&DriverOptionMenu, Index);
NewLoadContext = (BM_LOAD_CONTEXT *) NewMenuEntry->VariableContext;
NewLoadContext->Deleted = CurrentFakeNVMap->DriverOptionDel[Index];
}
Var_DelDriverOption ();
break;
case FORM_BOOT_CHG_ID:
Status = Var_UpdateBootOrder (Private);
break;
case FORM_DRV_CHG_ID:
Status = Var_UpdateDriverOrder (Private);
break;
case FORM_TIME_OUT_ID:
PcdSet16 (PcdPlatformBootTimeOut, CurrentFakeNVMap->BootTimeOut);
Private->BmmOldFakeNVData.BootTimeOut = CurrentFakeNVMap->BootTimeOut;
break;
case FORM_BOOT_NEXT_ID:
Status = Var_UpdateBootNext (Private);
break;
case FORM_CON_MODE_ID:
Status = Var_UpdateConMode (Private);
break;
case FORM_CON_COM_SETUP_ID:
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Private->CurrentTerminal);
ASSERT (NewMenuEntry != NULL);
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
NewTerminalContext->BaudRateIndex = CurrentFakeNVMap->COMBaudRate;
ASSERT (CurrentFakeNVMap->COMBaudRate < (sizeof (BaudRateList) / sizeof (BaudRateList[0])));
NewTerminalContext->BaudRate = BaudRateList[CurrentFakeNVMap->COMBaudRate].Value;
NewTerminalContext->DataBitsIndex = CurrentFakeNVMap->COMDataRate;
ASSERT (CurrentFakeNVMap->COMDataRate < (sizeof (DataBitsList) / sizeof (DataBitsList[0])));
NewTerminalContext->DataBits = (UINT8) DataBitsList[CurrentFakeNVMap->COMDataRate].Value;
NewTerminalContext->StopBitsIndex = CurrentFakeNVMap->COMStopBits;
ASSERT (CurrentFakeNVMap->COMStopBits < (sizeof (StopBitsList) / sizeof (StopBitsList[0])));
NewTerminalContext->StopBits = (UINT8) StopBitsList[CurrentFakeNVMap->COMStopBits].Value;
NewTerminalContext->ParityIndex = CurrentFakeNVMap->COMParity;
ASSERT (CurrentFakeNVMap->COMParity < (sizeof (ParityList) / sizeof (ParityList[0])));
NewTerminalContext->Parity = (UINT8) ParityList[CurrentFakeNVMap->COMParity].Value;
NewTerminalContext->TerminalType = CurrentFakeNVMap->COMTerminalType;
ChangeTerminalDevicePath (
NewTerminalContext->DevicePath,
FALSE
);
Var_UpdateConsoleInpOption ();
Var_UpdateConsoleOutOption ();
Var_UpdateErrorOutOption ();
break;
case FORM_CON_IN_ID:
for (Index = 0; Index < ConsoleInpMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&ConsoleInpMenu, Index);
NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index < MAX_MENU_NUMBER);
NewConsoleContext->IsActive = CurrentFakeNVMap->ConsoleCheck[Index];
}
for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index + ConsoleInpMenu.MenuNumber < MAX_MENU_NUMBER);
NewTerminalContext->IsConIn = CurrentFakeNVMap->ConsoleCheck[Index + ConsoleInpMenu.MenuNumber];
}
Var_UpdateConsoleInpOption ();
break;
case FORM_CON_OUT_ID:
for (Index = 0; Index < ConsoleOutMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&ConsoleOutMenu, Index);
NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index < MAX_MENU_NUMBER);
NewConsoleContext->IsActive = CurrentFakeNVMap->ConsoleCheck[Index];
}
for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index + ConsoleOutMenu.MenuNumber < MAX_MENU_NUMBER);
NewTerminalContext->IsConOut = CurrentFakeNVMap->ConsoleCheck[Index + ConsoleOutMenu.MenuNumber];
}
Var_UpdateConsoleOutOption ();
break;
case FORM_CON_ERR_ID:
for (Index = 0; Index < ConsoleErrMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&ConsoleErrMenu, Index);
NewConsoleContext = (BM_CONSOLE_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index < MAX_MENU_NUMBER);
NewConsoleContext->IsActive = CurrentFakeNVMap->ConsoleCheck[Index];
}
for (Index = 0; Index < TerminalMenu.MenuNumber; Index++) {
NewMenuEntry = BOpt_GetMenuEntry (&TerminalMenu, Index);
NewTerminalContext = (BM_TERMINAL_CONTEXT *) NewMenuEntry->VariableContext;
ASSERT (Index + ConsoleErrMenu.MenuNumber < MAX_MENU_NUMBER);
NewTerminalContext->IsStdErr = CurrentFakeNVMap->ConsoleCheck[Index + ConsoleErrMenu.MenuNumber];
}
Var_UpdateErrorOutOption ();
break;
case FORM_DRV_ADD_HANDLE_DESC_ID:
Status = Var_UpdateDriverOption (
Private,
Private->BmmHiiHandle,
CurrentFakeNVMap->DriverAddHandleDesc,
CurrentFakeNVMap->DriverAddHandleOptionalData,
CurrentFakeNVMap->DriverAddForceReconnect
);
if (EFI_ERROR (Status)) {
goto Error;
}
BOpt_GetDriverOptions (Private);
CreateMenuStringToken (Private, Private->BmmHiiHandle, &DriverOptionMenu);
break;
default:
break;
}
Error:
return Status;
}
