diff options
Diffstat (limited to 'OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c')
| -rw-r--r-- | OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c | 1597 |
1 files changed, 0 insertions, 1597 deletions
diff --git a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c b/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c deleted file mode 100644 index 0abba98dfe..0000000000 --- a/OvmfPkg/Library/PlatformBdsLib/BdsPlatform.c +++ /dev/null @@ -1,1597 +0,0 @@ -/** @file
- Platform BDS customizations.
-
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include "BdsPlatform.h"
-#include <Library/QemuBootOrderLib.h>
-
-
-//
-// Global data
-//
-
-VOID *mEfiDevPathNotifyReg;
-EFI_EVENT mEfiDevPathEvent;
-VOID *mEmuVariableEventReg;
-EFI_EVENT mEmuVariableEvent;
-BOOLEAN mDetectVgaOnly;
-UINT16 mHostBridgeDevId;
-
-//
-// Table of host IRQs matching PCI IRQs A-D
-// (for configuring PCI Interrupt Line register)
-//
-CONST UINT8 PciHostIrqs[] = {
- 0x0a, 0x0a, 0x0b, 0x0b
-};
-
-//
-// Array Size macro
-//
-#define ARRAY_SIZE(array) (sizeof (array) / sizeof (array[0]))
-
-//
-// Type definitions
-//
-
-typedef
-EFI_STATUS
-(EFIAPI *PROTOCOL_INSTANCE_CALLBACK)(
- IN EFI_HANDLE Handle,
- IN VOID *Instance,
- IN VOID *Context
- );
-
-/**
- @param[in] Handle - Handle of PCI device instance
- @param[in] PciIo - PCI IO protocol instance
- @param[in] Pci - PCI Header register block
-**/
-typedef
-EFI_STATUS
-(EFIAPI *VISIT_PCI_INSTANCE_CALLBACK)(
- IN EFI_HANDLE Handle,
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN PCI_TYPE00 *Pci
- );
-
-
-//
-// Function prototypes
-//
-
-EFI_STATUS
-VisitAllInstancesOfProtocol (
- IN EFI_GUID *Id,
- IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,
- IN VOID *Context
- );
-
-EFI_STATUS
-VisitAllPciInstancesOfProtocol (
- IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
- );
-
-VOID
-InstallDevicePathCallback (
- VOID
- );
-
-//
-// BDS Platform Functions
-//
-VOID
-EFIAPI
-PlatformBdsInit (
- VOID
- )
-/*++
-
-Routine Description:
-
- Platform Bds init. Incude the platform firmware vendor, revision
- and so crc check.
-
-Arguments:
-
-Returns:
-
- None.
-
---*/
-{
- DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));
- InstallDevicePathCallback ();
-}
-
-
-EFI_STATUS
-EFIAPI
-ConnectRootBridge (
- IN EFI_HANDLE RootBridgeHandle,
- IN VOID *Instance,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
-
- //
- // Make the PCI bus driver connect the root bridge, non-recursively. This
- // will produce a number of child handles with PciIo on them.
- //
- Status = gBS->ConnectController (
- RootBridgeHandle, // ControllerHandle
- NULL, // DriverImageHandle
- NULL, // RemainingDevicePath -- produce all
- // children
- FALSE // Recursive
- );
- return Status;
-}
-
-
-EFI_STATUS
-PrepareLpcBridgeDevicePath (
- IN EFI_HANDLE DeviceHandle
- )
-/*++
-
-Routine Description:
-
- Add IsaKeyboard to ConIn,
- add IsaSerial to ConOut, ConIn, ErrOut.
- LPC Bridge: 06 01 00
-
-Arguments:
-
- DeviceHandle - Handle of PCIIO protocol.
-
-Returns:
-
- EFI_SUCCESS - LPC bridge is added to ConOut, ConIn, and ErrOut.
- EFI_STATUS - No LPC bridge is added.
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
- CHAR16 *DevPathStr;
-
- DevicePath = NULL;
- Status = gBS->HandleProtocol (
- DeviceHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID*)&DevicePath
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- TempDevicePath = DevicePath;
-
- //
- // Register Keyboard
- //
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnpPs2KeyboardDeviceNode);
-
- BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);
-
- //
- // Register COM1
- //
- DevicePath = TempDevicePath;
- gPnp16550ComPortDeviceNode.UID = 0;
-
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
-
- //
- // Print Device Path
- //
- DevPathStr = DevicePathToStr(DevicePath);
- if (DevPathStr != NULL) {
- DEBUG((
- EFI_D_INFO,
- "BdsPlatform.c+%d: COM%d DevPath: %s\n",
- __LINE__,
- gPnp16550ComPortDeviceNode.UID + 1,
- DevPathStr
- ));
- FreePool(DevPathStr);
- }
-
- BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);
-
- //
- // Register COM2
- //
- DevicePath = TempDevicePath;
- gPnp16550ComPortDeviceNode.UID = 1;
-
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gPnp16550ComPortDeviceNode);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
-
- //
- // Print Device Path
- //
- DevPathStr = DevicePathToStr(DevicePath);
- if (DevPathStr != NULL) {
- DEBUG((
- EFI_D_INFO,
- "BdsPlatform.c+%d: COM%d DevPath: %s\n",
- __LINE__,
- gPnp16550ComPortDeviceNode.UID + 1,
- DevPathStr
- ));
- FreePool(DevPathStr);
- }
-
- BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-GetGopDevicePath (
- IN EFI_DEVICE_PATH_PROTOCOL *PciDevicePath,
- OUT EFI_DEVICE_PATH_PROTOCOL **GopDevicePath
- )
-{
- UINTN Index;
- EFI_STATUS Status;
- EFI_HANDLE PciDeviceHandle;
- EFI_DEVICE_PATH_PROTOCOL *TempDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *TempPciDevicePath;
- UINTN GopHandleCount;
- EFI_HANDLE *GopHandleBuffer;
-
- if (PciDevicePath == NULL || GopDevicePath == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Initialize the GopDevicePath to be PciDevicePath
- //
- *GopDevicePath = PciDevicePath;
- TempPciDevicePath = PciDevicePath;
-
- Status = gBS->LocateDevicePath (
- &gEfiDevicePathProtocolGuid,
- &TempPciDevicePath,
- &PciDeviceHandle
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Try to connect this handle, so that GOP dirver could start on this
- // device and create child handles with GraphicsOutput Protocol installed
- // on them, then we get device paths of these child handles and select
- // them as possible console device.
- //
- gBS->ConnectController (PciDeviceHandle, NULL, NULL, FALSE);
-
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- &gEfiGraphicsOutputProtocolGuid,
- NULL,
- &GopHandleCount,
- &GopHandleBuffer
- );
- if (!EFI_ERROR (Status)) {
- //
- // Add all the child handles as possible Console Device
- //
- for (Index = 0; Index < GopHandleCount; Index++) {
- Status = gBS->HandleProtocol (GopHandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID*)&TempDevicePath);
- if (EFI_ERROR (Status)) {
- continue;
- }
- if (CompareMem (
- PciDevicePath,
- TempDevicePath,
- GetDevicePathSize (PciDevicePath) - END_DEVICE_PATH_LENGTH
- ) == 0) {
- //
- // In current implementation, we only enable one of the child handles
- // as console device, i.e. sotre one of the child handle's device
- // path to variable "ConOut"
- // In futhure, we could select all child handles to be console device
- //
-
- *GopDevicePath = TempDevicePath;
-
- //
- // Delete the PCI device's path that added by GetPlugInPciVgaDevicePath()
- // Add the integrity GOP device path.
- //
- BdsLibUpdateConsoleVariable (VarConsoleOutDev, NULL, PciDevicePath);
- BdsLibUpdateConsoleVariable (VarConsoleOutDev, TempDevicePath, NULL);
- }
- }
- gBS->FreePool (GopHandleBuffer);
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PreparePciVgaDevicePath (
- IN EFI_HANDLE DeviceHandle
- )
-/*++
-
-Routine Description:
-
- Add PCI VGA to ConOut.
- PCI VGA: 03 00 00
-
-Arguments:
-
- DeviceHandle - Handle of PCIIO protocol.
-
-Returns:
-
- EFI_SUCCESS - PCI VGA is added to ConOut.
- EFI_STATUS - No PCI VGA device is added.
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_DEVICE_PATH_PROTOCOL *GopDevicePath;
-
- DevicePath = NULL;
- GopDevicePath = NULL;
- Status = gBS->HandleProtocol (
- DeviceHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID*)&DevicePath
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- GetGopDevicePath (DevicePath, &GopDevicePath);
- DevicePath = GopDevicePath;
-
- BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-PreparePciSerialDevicePath (
- IN EFI_HANDLE DeviceHandle
- )
-/*++
-
-Routine Description:
-
- Add PCI Serial to ConOut, ConIn, ErrOut.
- PCI Serial: 07 00 02
-
-Arguments:
-
- DeviceHandle - Handle of PCIIO protocol.
-
-Returns:
-
- EFI_SUCCESS - PCI Serial is added to ConOut, ConIn, and ErrOut.
- EFI_STATUS - No PCI Serial device is added.
-
---*/
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
-
- DevicePath = NULL;
- Status = gBS->HandleProtocol (
- DeviceHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID*)&DevicePath
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gUartDeviceNode);
- DevicePath = AppendDevicePathNode (DevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&gTerminalTypeDeviceNode);
-
- BdsLibUpdateConsoleVariable (VarConsoleOut, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarConsoleInp, DevicePath, NULL);
- BdsLibUpdateConsoleVariable (VarErrorOut, DevicePath, NULL);
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-VisitAllInstancesOfProtocol (
- IN EFI_GUID *Id,
- IN PROTOCOL_INSTANCE_CALLBACK CallBackFunction,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- UINTN HandleCount;
- EFI_HANDLE *HandleBuffer;
- UINTN Index;
- VOID *Instance;
-
- //
- // Start to check all the PciIo to find all possible device
- //
- HandleCount = 0;
- HandleBuffer = NULL;
- Status = gBS->LocateHandleBuffer (
- ByProtocol,
- Id,
- NULL,
- &HandleCount,
- &HandleBuffer
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- for (Index = 0; Index < HandleCount; Index++) {
- Status = gBS->HandleProtocol (HandleBuffer[Index], Id, &Instance);
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- Status = (*CallBackFunction) (
- HandleBuffer[Index],
- Instance,
- Context
- );
- }
-
- gBS->FreePool (HandleBuffer);
-
- return EFI_SUCCESS;
-}
-
-
-EFI_STATUS
-EFIAPI
-VisitingAPciInstance (
- IN EFI_HANDLE Handle,
- IN VOID *Instance,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- PCI_TYPE00 Pci;
-
- PciIo = (EFI_PCI_IO_PROTOCOL*) Instance;
-
- //
- // Check for all PCI device
- //
- Status = PciIo->Pci.Read (
- PciIo,
- EfiPciIoWidthUint32,
- 0,
- sizeof (Pci) / sizeof (UINT32),
- &Pci
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return (*(VISIT_PCI_INSTANCE_CALLBACK)(UINTN) Context) (
- Handle,
- PciIo,
- &Pci
- );
-
-}
-
-
-
-EFI_STATUS
-VisitAllPciInstances (
- IN VISIT_PCI_INSTANCE_CALLBACK CallBackFunction
- )
-{
- return VisitAllInstancesOfProtocol (
- &gEfiPciIoProtocolGuid,
- VisitingAPciInstance,
- (VOID*)(UINTN) CallBackFunction
- );
-}
-
-
-/**
- Do platform specific PCI Device check and add them to
- ConOut, ConIn, ErrOut.
-
- @param[in] Handle - Handle of PCI device instance
- @param[in] PciIo - PCI IO protocol instance
- @param[in] Pci - PCI Header register block
-
- @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.
- @retval EFI_STATUS - PCI Device check or Console variable update fail.
-
-**/
-EFI_STATUS
-EFIAPI
-DetectAndPreparePlatformPciDevicePath (
- IN EFI_HANDLE Handle,
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN PCI_TYPE00 *Pci
- )
-{
- EFI_STATUS Status;
-
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationEnable,
- EFI_PCI_DEVICE_ENABLE,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- if (!mDetectVgaOnly) {
- //
- // Here we decide whether it is LPC Bridge
- //
- if ((IS_PCI_LPC (Pci)) ||
- ((IS_PCI_ISA_PDECODE (Pci)) &&
- (Pci->Hdr.VendorId == 0x8086) &&
- (Pci->Hdr.DeviceId == 0x7000)
- )
- ) {
- //
- // Add IsaKeyboard to ConIn,
- // add IsaSerial to ConOut, ConIn, ErrOut
- //
- DEBUG ((EFI_D_INFO, "Found LPC Bridge device\n"));
- PrepareLpcBridgeDevicePath (Handle);
- return EFI_SUCCESS;
- }
- //
- // Here we decide which Serial device to enable in PCI bus
- //
- if (IS_PCI_16550SERIAL (Pci)) {
- //
- // Add them to ConOut, ConIn, ErrOut.
- //
- DEBUG ((EFI_D_INFO, "Found PCI 16550 SERIAL device\n"));
- PreparePciSerialDevicePath (Handle);
- return EFI_SUCCESS;
- }
- }
-
- //
- // Here we decide which VGA device to enable in PCI bus
- //
- if (IS_PCI_VGA (Pci)) {
- //
- // Add them to ConOut.
- //
- DEBUG ((EFI_D_INFO, "Found PCI VGA device\n"));
- PreparePciVgaDevicePath (Handle);
- return EFI_SUCCESS;
- }
-
- return Status;
-}
-
-
-/**
- Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
-
- @param[in] DetectVgaOnly - Only detect VGA device if it's TRUE.
-
- @retval EFI_SUCCESS - PCI Device check and Console variable update successfully.
- @retval EFI_STATUS - PCI Device check or Console variable update fail.
-
-**/
-EFI_STATUS
-DetectAndPreparePlatformPciDevicePaths (
- BOOLEAN DetectVgaOnly
- )
-{
- mDetectVgaOnly = DetectVgaOnly;
- return VisitAllPciInstances (DetectAndPreparePlatformPciDevicePath);
-}
-
-
-EFI_STATUS
-PlatformBdsConnectConsole (
- IN BDS_CONSOLE_CONNECT_ENTRY *PlatformConsole
- )
-/*++
-
-Routine Description:
-
- Connect the predefined platform default console device. Always try to find
- and enable the vga device if have.
-
-Arguments:
-
- PlatformConsole - Predfined platform default console device array.
-
-Returns:
-
- EFI_SUCCESS - Success connect at least one ConIn and ConOut
- device, there must have one ConOut device is
- active vga device.
-
- EFI_STATUS - Return the status of
- BdsLibConnectAllDefaultConsoles ()
-
---*/
-{
- EFI_STATUS Status;
- UINTN Index;
- EFI_DEVICE_PATH_PROTOCOL *VarConout;
- EFI_DEVICE_PATH_PROTOCOL *VarConin;
- UINTN DevicePathSize;
-
- //
- // Connect RootBridge
- //
- VarConout = BdsLibGetVariableAndSize (
- VarConsoleOut,
- &gEfiGlobalVariableGuid,
- &DevicePathSize
- );
- VarConin = BdsLibGetVariableAndSize (
- VarConsoleInp,
- &gEfiGlobalVariableGuid,
- &DevicePathSize
- );
-
- if (VarConout == NULL || VarConin == NULL) {
- //
- // Do platform specific PCI Device check and add them to ConOut, ConIn, ErrOut
- //
- DetectAndPreparePlatformPciDevicePaths (FALSE);
-
- //
- // Have chance to connect the platform default console,
- // the platform default console is the minimue device group
- // the platform should support
- //
- for (Index = 0; PlatformConsole[Index].DevicePath != NULL; ++Index) {
- //
- // Update the console variable with the connect type
- //
- if ((PlatformConsole[Index].ConnectType & CONSOLE_IN) == CONSOLE_IN) {
- BdsLibUpdateConsoleVariable (VarConsoleInp, PlatformConsole[Index].DevicePath, NULL);
- }
- if ((PlatformConsole[Index].ConnectType & CONSOLE_OUT) == CONSOLE_OUT) {
- BdsLibUpdateConsoleVariable (VarConsoleOut, PlatformConsole[Index].DevicePath, NULL);
- }
- if ((PlatformConsole[Index].ConnectType & STD_ERROR) == STD_ERROR) {
- BdsLibUpdateConsoleVariable (VarErrorOut, PlatformConsole[Index].DevicePath, NULL);
- }
- }
- } else {
- //
- // Only detect VGA device and add them to ConOut
- //
- DetectAndPreparePlatformPciDevicePaths (TRUE);
- }
-
- //
- // Connect the all the default console with current cosole variable
- //
- Status = BdsLibConnectAllDefaultConsoles ();
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Configure PCI Interrupt Line register for applicable devices
- Ported from SeaBIOS, src/fw/pciinit.c, *_pci_slot_get_irq()
-
- @param[in] Handle - Handle of PCI device instance
- @param[in] PciIo - PCI IO protocol instance
- @param[in] PciHdr - PCI Header register block
-
- @retval EFI_SUCCESS - PCI Interrupt Line register configured successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-SetPciIntLine (
- IN EFI_HANDLE Handle,
- IN EFI_PCI_IO_PROTOCOL *PciIo,
- IN PCI_TYPE00 *PciHdr
- )
-{
- EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
- EFI_DEVICE_PATH_PROTOCOL *DevPath;
- UINTN RootSlot;
- UINTN Idx;
- UINT8 IrqLine;
- EFI_STATUS Status;
- UINT32 RootBusNumber;
-
- Status = EFI_SUCCESS;
-
- if (PciHdr->Device.InterruptPin != 0) {
-
- DevPathNode = DevicePathFromHandle (Handle);
- ASSERT (DevPathNode != NULL);
- DevPath = DevPathNode;
-
- RootBusNumber = 0;
- if (DevicePathType (DevPathNode) == ACPI_DEVICE_PATH &&
- DevicePathSubType (DevPathNode) == ACPI_DP &&
- ((ACPI_HID_DEVICE_PATH *)DevPathNode)->HID == EISA_PNP_ID(0x0A03)) {
- RootBusNumber = ((ACPI_HID_DEVICE_PATH *)DevPathNode)->UID;
- }
-
- //
- // Compute index into PciHostIrqs[] table by walking
- // the device path and adding up all device numbers
- //
- Status = EFI_NOT_FOUND;
- RootSlot = 0;
- Idx = PciHdr->Device.InterruptPin - 1;
- while (!IsDevicePathEnd (DevPathNode)) {
- if (DevicePathType (DevPathNode) == HARDWARE_DEVICE_PATH &&
- DevicePathSubType (DevPathNode) == HW_PCI_DP) {
-
- Idx += ((PCI_DEVICE_PATH *)DevPathNode)->Device;
-
- //
- // Unlike SeaBIOS, which starts climbing from the leaf device
- // up toward the root, we traverse the device path starting at
- // the root moving toward the leaf node.
- // The slot number of the top-level parent bridge is needed for
- // Q35 cases with more than 24 slots on the root bus.
- //
- if (Status != EFI_SUCCESS) {
- Status = EFI_SUCCESS;
- RootSlot = ((PCI_DEVICE_PATH *)DevPathNode)->Device;
- }
- }
-
- DevPathNode = NextDevicePathNode (DevPathNode);
- }
- if (EFI_ERROR (Status)) {
- return Status;
- }
- if (RootBusNumber == 0 && RootSlot == 0) {
- DEBUG((
- EFI_D_ERROR,
- "%a: PCI host bridge (00:00.0) should have no interrupts!\n",
- __FUNCTION__
- ));
- ASSERT (FALSE);
- }
-
- //
- // Final PciHostIrqs[] index calculation depends on the platform
- // and should match SeaBIOS src/fw/pciinit.c *_pci_slot_get_irq()
- //
- switch (mHostBridgeDevId) {
- case INTEL_82441_DEVICE_ID:
- Idx -= 1;
- break;
- case INTEL_Q35_MCH_DEVICE_ID:
- //
- // SeaBIOS contains the following comment:
- // "Slots 0-24 rotate slot:pin mapping similar to piix above, but
- // with a different starting index - see q35-acpi-dsdt.dsl.
- //
- // Slots 25-31 all use LNKA mapping (or LNKE, but A:D = E:H)"
- //
- if (RootSlot > 24) {
- //
- // in this case, subtract back out RootSlot from Idx
- // (SeaBIOS never adds it to begin with, but that would make our
- // device path traversal loop above too awkward)
- //
- Idx -= RootSlot;
- }
- break;
- default:
- ASSERT (FALSE); // should never get here
- }
- Idx %= ARRAY_SIZE (PciHostIrqs);
- IrqLine = PciHostIrqs[Idx];
-
- DEBUG_CODE_BEGIN ();
- {
- CHAR16 *DevPathString;
- STATIC CHAR16 Fallback[] = L"<failed to convert>";
- UINTN Segment, Bus, Device, Function;
-
- DevPathString = ConvertDevicePathToText (DevPath, FALSE, FALSE);
- if (DevPathString == NULL) {
- DevPathString = Fallback;
- }
- Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);
- ASSERT_EFI_ERROR (Status);
-
- DEBUG ((EFI_D_VERBOSE, "%a: [%02x:%02x.%x] %s -> 0x%02x\n", __FUNCTION__,
- (UINT32)Bus, (UINT32)Device, (UINT32)Function, DevPathString,
- IrqLine));
-
- if (DevPathString != Fallback) {
- FreePool (DevPathString);
- }
- }
- DEBUG_CODE_END ();
-
- //
- // Set PCI Interrupt Line register for this device to PciHostIrqs[Idx]
- //
- Status = PciIo->Pci.Write (
- PciIo,
- EfiPciIoWidthUint8,
- PCI_INT_LINE_OFFSET,
- 1,
- &IrqLine
- );
- }
-
- return Status;
-}
-
-
-VOID
-PciAcpiInitialization (
- )
-{
- UINTN Pmba;
-
- //
- // Query Host Bridge DID to determine platform type
- //
- mHostBridgeDevId = PcdGet16 (PcdOvmfHostBridgePciDevId);
- switch (mHostBridgeDevId) {
- case INTEL_82441_DEVICE_ID:
- Pmba = POWER_MGMT_REGISTER_PIIX4 (PIIX4_PMBA);
- //
- // 00:01.0 ISA Bridge (PIIX4) LNK routing targets
- //
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b); // A
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x0b); // B
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0a); // C
- PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x0a); // D
- break;
- case INTEL_Q35_MCH_DEVICE_ID:
- Pmba = POWER_MGMT_REGISTER_Q35 (ICH9_PMBASE);
- //
- // 00:1f.0 LPC Bridge (Q35) LNK routing targets
- //
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x60), 0x0a); // A
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x61), 0x0a); // B
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x62), 0x0b); // C
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x63), 0x0b); // D
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x68), 0x0a); // E
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x69), 0x0a); // F
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6a), 0x0b); // G
- PciWrite8 (PCI_LIB_ADDRESS (0, 0x1f, 0, 0x6b), 0x0b); // H
- break;
- default:
- DEBUG ((EFI_D_ERROR, "%a: Unknown Host Bridge Device ID: 0x%04x\n",
- __FUNCTION__, mHostBridgeDevId));
- ASSERT (FALSE);
- return;
- }
-
- //
- // Initialize PCI_INTERRUPT_LINE for applicable present PCI devices
- //
- VisitAllPciInstances (SetPciIntLine);
-
- //
- // Set ACPI SCI_EN bit in PMCNTRL
- //
- IoOr16 ((PciRead32 (Pmba) & ~BIT0) + 4, BIT0);
-}
-
-
-EFI_STATUS
-EFIAPI
-ConnectRecursivelyIfPciMassStorage (
- IN EFI_HANDLE Handle,
- IN EFI_PCI_IO_PROTOCOL *Instance,
- IN PCI_TYPE00 *PciHeader
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- CHAR16 *DevPathStr;
-
- if (IS_CLASS1 (PciHeader, PCI_CLASS_MASS_STORAGE)) {
- DevicePath = NULL;
- Status = gBS->HandleProtocol (
- Handle,
- &gEfiDevicePathProtocolGuid,
- (VOID*)&DevicePath
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Print Device Path
- //
- DevPathStr = DevicePathToStr (DevicePath);
- if (DevPathStr != NULL) {
- DEBUG((
- EFI_D_INFO,
- "Found Mass Storage device: %s\n",
- DevPathStr
- ));
- FreePool(DevPathStr);
- }
-
- Status = gBS->ConnectController (Handle, NULL, NULL, TRUE);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- }
-
- return EFI_SUCCESS;
-}
-
-
-/**
- This notification function is invoked when the
- EMU Variable FVB has been changed.
-
- @param Event The event that occured
- @param Context For EFI compatiblity. Not used.
-
-**/
-VOID
-EFIAPI
-EmuVariablesUpdatedCallback (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- DEBUG ((EFI_D_INFO, "EmuVariablesUpdatedCallback\n"));
- UpdateNvVarsOnFileSystem ();
-}
-
-
-EFI_STATUS
-EFIAPI
-VisitingFileSystemInstance (
- IN EFI_HANDLE Handle,
- IN VOID *Instance,
- IN VOID *Context
- )
-{
- EFI_STATUS Status;
- STATIC BOOLEAN ConnectedToFileSystem = FALSE;
-
- if (ConnectedToFileSystem) {
- return EFI_ALREADY_STARTED;
- }
-
- Status = ConnectNvVarsToFileSystem (Handle);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- ConnectedToFileSystem = TRUE;
- mEmuVariableEvent =
- EfiCreateProtocolNotifyEvent (
- &gEfiDevicePathProtocolGuid,
- TPL_CALLBACK,
- EmuVariablesUpdatedCallback,
- NULL,
- &mEmuVariableEventReg
- );
- PcdSet64 (PcdEmuVariableEvent, (UINT64)(UINTN) mEmuVariableEvent);
-
- return EFI_SUCCESS;
-}
-
-
-VOID
-PlatformBdsRestoreNvVarsFromHardDisk (
- )
-{
- VisitAllPciInstances (ConnectRecursivelyIfPciMassStorage);
- VisitAllInstancesOfProtocol (
- &gEfiSimpleFileSystemProtocolGuid,
- VisitingFileSystemInstance,
- NULL
- );
-
-}
-
-
-VOID
-PlatformBdsConnectSequence (
- VOID
- )
-/*++
-
-Routine Description:
-
- Connect with predeined platform connect sequence,
- the OEM/IBV can customize with their own connect sequence.
-
-Arguments:
-
- None.
-
-Returns:
-
- None.
-
---*/
-{
- UINTN Index;
-
- DEBUG ((EFI_D_INFO, "PlatformBdsConnectSequence\n"));
-
- Index = 0;
-
- //
- // Here we can get the customized platform connect sequence
- // Notes: we can connect with new variable which record the
- // last time boots connect device path sequence
- //
- while (gPlatformConnectSequence[Index] != NULL) {
- //
- // Build the platform boot option
- //
- BdsLibConnectDevicePath (gPlatformConnectSequence[Index]);
- Index++;
- }
-
- //
- // Just use the simple policy to connect all devices
- //
- BdsLibConnectAll ();
-
- PciAcpiInitialization ();
-
- //
- // Clear the logo after all devices are connected.
- //
- gST->ConOut->ClearScreen (gST->ConOut);
-}
-
-VOID
-PlatformBdsGetDriverOption (
- IN OUT LIST_ENTRY *BdsDriverLists
- )
-/*++
-
-Routine Description:
-
- Load the predefined driver option, OEM/IBV can customize this
- to load their own drivers
-
-Arguments:
-
- BdsDriverLists - The header of the driver option link list.
-
-Returns:
-
- None.
-
---*/
-{
- DEBUG ((EFI_D_INFO, "PlatformBdsGetDriverOption\n"));
- return;
-}
-
-VOID
-PlatformBdsDiagnostics (
- IN EXTENDMEM_COVERAGE_LEVEL MemoryTestLevel,
- IN BOOLEAN QuietBoot,
- IN BASEM_MEMORY_TEST BaseMemoryTest
- )
-/*++
-
-Routine Description:
-
- Perform the platform diagnostic, such like test memory. OEM/IBV also
- can customize this fuction to support specific platform diagnostic.
-
-Arguments:
-
- MemoryTestLevel - The memory test intensive level
-
- QuietBoot - Indicate if need to enable the quiet boot
-
- BaseMemoryTest - A pointer to BaseMemoryTest()
-
-Returns:
-
- None.
-
---*/
-{
- EFI_STATUS Status;
-
- DEBUG ((EFI_D_INFO, "PlatformBdsDiagnostics\n"));
-
- //
- // Here we can decide if we need to show
- // the diagnostics screen
- // Notes: this quiet boot code should be remove
- // from the graphic lib
- //
- if (QuietBoot) {
- EnableQuietBoot (PcdGetPtr(PcdLogoFile));
- //
- // Perform system diagnostic
- //
- Status = BaseMemoryTest (MemoryTestLevel);
- if (EFI_ERROR (Status)) {
- DisableQuietBoot ();
- }
-
- return ;
- }
- //
- // Perform system diagnostic
- //
- Status = BaseMemoryTest (MemoryTestLevel);
-}
-
-
-/**
- Empty callback function executed when the EndOfDxe event group is signaled.
-
- We only need this function because we'd like to signal EndOfDxe, and for that
- we need to create an event, with a callback function.
-
- @param[in] Event Event whose notification function is being invoked.
- @param[in] Context The pointer to the notification function's context, which
- is implementation-dependent.
-**/
-STATIC
-VOID
-EFIAPI
-OnEndOfDxe (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
-}
-
-
-/**
- Save the S3 boot script.
-
- Note that we trigger DxeSmmReadyToLock here -- otherwise the script wouldn't
- be saved actually. Triggering this protocol installation event in turn locks
- down SMM, so no further changes to LockBoxes or SMRAM are possible
- afterwards.
-**/
-STATIC
-VOID
-SaveS3BootScript (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_S3_SAVE_STATE_PROTOCOL *BootScript;
- EFI_HANDLE Handle;
- STATIC CONST UINT8 Info[] = { 0xDE, 0xAD, 0xBE, 0xEF };
-
- Status = gBS->LocateProtocol (&gEfiS3SaveStateProtocolGuid, NULL,
- (VOID **) &BootScript);
- ASSERT_EFI_ERROR (Status);
-
- //
- // Despite the opcode documentation in the PI spec, the protocol
- // implementation embeds a deep copy of the info in the boot script, rather
- // than storing just a pointer to runtime or NVS storage.
- //
- Status = BootScript->Write(BootScript, EFI_BOOT_SCRIPT_INFORMATION_OPCODE,
- (UINT32) sizeof Info,
- (EFI_PHYSICAL_ADDRESS)(UINTN) &Info);
- ASSERT_EFI_ERROR (Status);
-
- Handle = NULL;
- Status = gBS->InstallProtocolInterface (&Handle,
- &gEfiDxeSmmReadyToLockProtocolGuid, EFI_NATIVE_INTERFACE,
- NULL);
- ASSERT_EFI_ERROR (Status);
-}
-
-
-VOID
-EFIAPI
-PlatformBdsPolicyBehavior (
- IN OUT LIST_ENTRY *DriverOptionList,
- IN OUT LIST_ENTRY *BootOptionList,
- IN PROCESS_CAPSULES ProcessCapsules,
- IN BASEM_MEMORY_TEST BaseMemoryTest
- )
-/*++
-
-Routine Description:
-
- The function will excute with as the platform policy, current policy
- is driven by boot mode. IBV/OEM can customize this code for their specific
- policy action.
-
-Arguments:
-
- DriverOptionList - The header of the driver option link list
-
- BootOptionList - The header of the boot option link list
-
- ProcessCapsules - A pointer to ProcessCapsules()
-
- BaseMemoryTest - A pointer to BaseMemoryTest()
-
-Returns:
-
- None.
-
---*/
-{
- EFI_STATUS Status;
- EFI_BOOT_MODE BootMode;
- EFI_EVENT EndOfDxeEvent;
-
- DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior\n"));
-
- VisitAllInstancesOfProtocol (&gEfiPciRootBridgeIoProtocolGuid,
- ConnectRootBridge, NULL);
-
- //
- // We can't signal End-of-Dxe earlier than this. Namely, End-of-Dxe triggers
- // the preparation of S3 system information. That logic has a hard dependency
- // on the presence of the FACS ACPI table. Since our ACPI tables are only
- // installed after PCI enumeration completes, we must not trigger the S3 save
- // earlier, hence we can't signal End-of-Dxe earlier.
- //
- Status = gBS->CreateEventEx (EVT_NOTIFY_SIGNAL, TPL_CALLBACK, OnEndOfDxe,
- NULL /* NotifyContext */, &gEfiEndOfDxeEventGroupGuid,
- &EndOfDxeEvent);
- if (!EFI_ERROR (Status)) {
- gBS->SignalEvent (EndOfDxeEvent);
- gBS->CloseEvent (EndOfDxeEvent);
- }
-
- if (QemuFwCfgS3Enabled ()) {
- //
- // Save the boot script too. Note that this requires/includes emitting the
- // DxeSmmReadyToLock event, which in turn locks down SMM.
- //
- SaveS3BootScript ();
- }
-
- if (PcdGetBool (PcdOvmfFlashVariablesEnable)) {
- DEBUG ((EFI_D_INFO, "PlatformBdsPolicyBehavior: not restoring NvVars "
- "from disk since flash variables appear to be supported.\n"));
- } else {
- //
- // Try to restore variables from the hard disk early so
- // they can be used for the other BDS connect operations.
- //
- PlatformBdsRestoreNvVarsFromHardDisk ();
- }
-
- //
- // Load the driver option as the driver option list
- //
- PlatformBdsGetDriverOption (DriverOptionList);
-
- //
- // Get current Boot Mode
- //
- Status = BdsLibGetBootMode (&BootMode);
- DEBUG ((EFI_D_ERROR, "Boot Mode:%x\n", BootMode));
-
- //
- // Go the different platform policy with different boot mode
- // Notes: this part code can be change with the table policy
- //
- ASSERT (BootMode == BOOT_WITH_FULL_CONFIGURATION);
- //
- // Connect platform console
- //
- Status = PlatformBdsConnectConsole (gPlatformConsole);
- if (EFI_ERROR (Status)) {
- //
- // Here OEM/IBV can customize with defined action
- //
- PlatformBdsNoConsoleAction ();
- }
-
- //
- // Memory test and Logo show
- //
- PlatformBdsDiagnostics (IGNORE, TRUE, BaseMemoryTest);
-
- //
- // Perform some platform specific connect sequence
- //
- PlatformBdsConnectSequence ();
-
- //
- // Process QEMU's -kernel command line option
- //
- TryRunningQemuKernel ();
-
- DEBUG ((EFI_D_INFO, "BdsLibConnectAll\n"));
- BdsLibConnectAll ();
- BdsLibEnumerateAllBootOption (BootOptionList);
-
- SetBootOrderFromQemu (BootOptionList);
- //
- // The BootOrder variable may have changed, reload the in-memory list with
- // it.
- //
- BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");
-
- PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);
-}
-
-VOID
-EFIAPI
-PlatformBdsBootSuccess (
- IN BDS_COMMON_OPTION *Option
- )
-/*++
-
-Routine Description:
-
- Hook point after a boot attempt succeeds. We don't expect a boot option to
- return, so the EFI 1.0 specification defines that you will default to an
- interactive mode and stop processing the BootOrder list in this case. This
- is alos a platform implementation and can be customized by IBV/OEM.
-
-Arguments:
-
- Option - Pointer to Boot Option that succeeded to boot.
-
-Returns:
-
- None.
-
---*/
-{
- CHAR16 *TmpStr;
-
- DEBUG ((EFI_D_INFO, "PlatformBdsBootSuccess\n"));
- //
- // If Boot returned with EFI_SUCCESS and there is not in the boot device
- // select loop then we need to pop up a UI and wait for user input.
- //
- TmpStr = Option->StatusString;
- if (TmpStr != NULL) {
- BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);
- FreePool (TmpStr);
- }
-}
-
-VOID
-EFIAPI
-PlatformBdsBootFail (
- IN BDS_COMMON_OPTION *Option,
- IN EFI_STATUS Status,
- IN CHAR16 *ExitData,
- IN UINTN ExitDataSize
- )
-/*++
-
-Routine Description:
-
- Hook point after a boot attempt fails.
-
-Arguments:
-
- Option - Pointer to Boot Option that failed to boot.
-
- Status - Status returned from failed boot.
-
- ExitData - Exit data returned from failed boot.
-
- ExitDataSize - Exit data size returned from failed boot.
-
-Returns:
-
- None.
-
---*/
-{
- CHAR16 *TmpStr;
-
- DEBUG ((EFI_D_INFO, "PlatformBdsBootFail\n"));
-
- //
- // If Boot returned with failed status then we need to pop up a UI and wait
- // for user input.
- //
- TmpStr = Option->StatusString;
- if (TmpStr != NULL) {
- BdsLibOutputStrings (gST->ConOut, TmpStr, Option->Description, L"\n\r", NULL);
- FreePool (TmpStr);
- }
-}
-
-EFI_STATUS
-PlatformBdsNoConsoleAction (
- VOID
- )
-/*++
-
-Routine Description:
-
- This function is remained for IBV/OEM to do some platform action,
- if there no console device can be connected.
-
-Arguments:
-
- None.
-
-Returns:
-
- EFI_SUCCESS - Direct return success now.
-
---*/
-{
- DEBUG ((EFI_D_INFO, "PlatformBdsNoConsoleAction\n"));
- return EFI_SUCCESS;
-}
-
-VOID
-EFIAPI
-PlatformBdsLockNonUpdatableFlash (
- VOID
- )
-{
- DEBUG ((EFI_D_INFO, "PlatformBdsLockNonUpdatableFlash\n"));
- return;
-}
-
-
-/**
- This notification function is invoked when an instance of the
- EFI_DEVICE_PATH_PROTOCOL is produced.
-
- @param Event The event that occured
- @param Context For EFI compatiblity. Not used.
-
-**/
-VOID
-EFIAPI
-NotifyDevPath (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- EFI_HANDLE Handle;
- EFI_STATUS Status;
- UINTN BufferSize;
- EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
- ATAPI_DEVICE_PATH *Atapi;
-
- //
- // Examine all new handles
- //
- for (;;) {
- //
- // Get the next handle
- //
- BufferSize = sizeof (Handle);
- Status = gBS->LocateHandle (
- ByRegisterNotify,
- NULL,
- mEfiDevPathNotifyReg,
- &BufferSize,
- &Handle
- );
-
- //
- // If not found, we're done
- //
- if (EFI_NOT_FOUND == Status) {
- break;
- }
-
- if (EFI_ERROR (Status)) {
- continue;
- }
-
- //
- // Get the DevicePath protocol on that handle
- //
- Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevPathNode);
- ASSERT_EFI_ERROR (Status);
-
- while (!IsDevicePathEnd (DevPathNode)) {
- //
- // Find the handler to dump this device path node
- //
- if (
- (DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&
- (DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)
- ) {
- Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;
- PciOr16 (
- PCI_LIB_ADDRESS (
- 0,
- 1,
- 1,
- (Atapi->PrimarySecondary == 1) ? 0x42: 0x40
- ),
- BIT15
- );
- }
-
- //
- // Next device path node
- //
- DevPathNode = NextDevicePathNode (DevPathNode);
- }
- }
-
- return;
-}
-
-
-VOID
-InstallDevicePathCallback (
- VOID
- )
-{
- DEBUG ((EFI_D_INFO, "Registered NotifyDevPath Event\n"));
- mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (
- &gEfiDevicePathProtocolGuid,
- TPL_CALLBACK,
- NotifyDevPath,
- NULL,
- &mEfiDevPathNotifyReg
- );
-}
-
-/**
- Lock the ConsoleIn device in system table. All key
- presses will be ignored until the Password is typed in. The only way to
- disable the password is to type it in to a ConIn device.
-
- @param Password Password used to lock ConIn device.
-
- @retval EFI_SUCCESS lock the Console In Spliter virtual handle successfully.
- @retval EFI_UNSUPPORTED Password not found
-
-**/
-EFI_STATUS
-EFIAPI
-LockKeyboards (
- IN CHAR16 *Password
- )
-{
- return EFI_UNSUPPORTED;
-}
-
|