Ejemplo n.º 1
0
/**
  The function will execute with as the platform policy, current policy
  is driven by boot mode. IBV/OEM can customize this code for their specific
  policy action.

  @param  DriverOptionList        The header of the driver option link list
  @param  BootOptionList          The header of the boot option link list
  @param  ProcessCapsules         A pointer to ProcessCapsules()
  @param  BaseMemoryTest          A pointer to BaseMemoryTest()

**/
VOID
EFIAPI
PlatformBdsPolicyBehavior (
  IN LIST_ENTRY                      *DriverOptionList,
  IN LIST_ENTRY                      *BootOptionList,
  IN PROCESS_CAPSULES                ProcessCapsules,
  IN BASEM_MEMORY_TEST               BaseMemoryTest
  )
{
  //
  // 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);

  //
  // 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.
  //
  BdsLibUpdateConsoleVariable (L"ConIn",
    (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);

  //
  // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.
  //
  BdsLibUpdateConsoleVariable (L"ConIn",
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
  BdsLibUpdateConsoleVariable (L"ConOut",
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);
  BdsLibUpdateConsoleVariable (L"ErrOut",
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);

  //
  // Connect the consoles based on the above variables.
  //
  BdsLibConnectAllDefaultConsoles ();

  //
  // Show the splash screen.
  //
  EnableQuietBoot (PcdGetPtr (PcdLogoFile));

  //
  // Connect the rest of the devices.
  //
  BdsLibConnectAll ();

  //
  // Process QEMU's -kernel command line option. Note that the kernel booted
  // this way should receive ACPI tables, which is why we connect all devices
  // first (see above) -- PCI enumeration blocks ACPI table installation, if
  // there is a PCI host.
  //
  TryRunningQemuKernel ();

  BdsLibEnumerateAllBootOption (BootOptionList);
  SetBootOrderFromQemu (BootOptionList);
  //
  // The BootOrder variable may have changed, reload the in-memory list with
  // it.
  //
  BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");

  PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);
}
Ejemplo n.º 2
0
/**
  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 ();
}