Add PCD for selecting terminal type at build time

[mirror_edk2.git] / ArmVirtPkg / Library / PlatformIntelBdsLib / IntelBdsPlatform.c

/** @file\r
  Implementation for PlatformBdsLib library class interfaces.\r
\r
  Copyright (C) 2015, Red Hat, Inc.\r
  Copyright (c) 2014, ARM Ltd. All rights reserved.<BR>\r
  Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>\r
\r
  This program and the accompanying materials are licensed and made available\r
  under the terms and conditions of the BSD License which accompanies this\r
  distribution. The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT\r
  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
\r
#include <IndustryStandard/Pci22.h>\r
#include <Library/DevicePathLib.h>\r
#include <Library/PcdLib.h>\r
#include <Library/PlatformBdsLib.h>\r
#include <Library/QemuBootOrderLib.h>\r
#include <Protocol/DevicePath.h>\r
#include <Protocol/GraphicsOutput.h>\r
#include <Protocol/PciIo.h>\r
#include <Protocol/PciRootBridgeIo.h>\r
#include <Guid/EventGroup.h>\r
\r
#include "IntelBdsPlatform.h"\r
\r
#define DP_NODE_LEN(Type) { (UINT8)sizeof (Type), (UINT8)(sizeof (Type) >> 8) }\r
\r
\r
#pragma pack (1)\r
typedef struct {\r
  VENDOR_DEVICE_PATH         SerialDxe;\r
  UART_DEVICE_PATH           Uart;\r
  VENDOR_DEFINED_DEVICE_PATH TermType;\r
  EFI_DEVICE_PATH_PROTOCOL   End;\r
} PLATFORM_SERIAL_CONSOLE;\r
#pragma pack ()\r
\r
#define SERIAL_DXE_FILE_GUID { \\r
          0xD3987D4B, 0x971A, 0x435F, \\r
          { 0x8C, 0xAF, 0x49, 0x67, 0xEB, 0x62, 0x72, 0x41 } \\r
          }\r
\r
STATIC PLATFORM_SERIAL_CONSOLE mSerialConsole = {\r
  //\r
  // VENDOR_DEVICE_PATH SerialDxe\r
  //\r
  {\r
    { HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DP_NODE_LEN (VENDOR_DEVICE_PATH) },\r
    SERIAL_DXE_FILE_GUID\r
  },\r
\r
  //\r
  // UART_DEVICE_PATH Uart\r
  //\r
  {\r
    { MESSAGING_DEVICE_PATH, MSG_UART_DP, DP_NODE_LEN (UART_DEVICE_PATH) },\r
    0,                                      // Reserved\r
    FixedPcdGet64 (PcdUartDefaultBaudRate), // BaudRate\r
    FixedPcdGet8 (PcdUartDefaultDataBits),  // DataBits\r
    FixedPcdGet8 (PcdUartDefaultParity),    // Parity\r
    FixedPcdGet8 (PcdUartDefaultStopBits)   // StopBits\r
  },\r
\r
  //\r
  // VENDOR_DEFINED_DEVICE_PATH TermType\r
  //\r
  {\r
    {\r
      MESSAGING_DEVICE_PATH, MSG_VENDOR_DP,\r
      DP_NODE_LEN (VENDOR_DEFINED_DEVICE_PATH)\r
    }\r
    //\r
    // Guid to be filled in dynamically\r
    //\r
  },\r
\r
  //\r
  // EFI_DEVICE_PATH_PROTOCOL End\r
  //\r
  {\r
    END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r
    DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r
  }\r
};\r
\r
\r
#pragma pack (1)\r
typedef struct {\r
  USB_CLASS_DEVICE_PATH    Keyboard;\r
  EFI_DEVICE_PATH_PROTOCOL End;\r
} PLATFORM_USB_KEYBOARD;\r
#pragma pack ()\r
\r
STATIC PLATFORM_USB_KEYBOARD mUsbKeyboard = {\r
  //\r
  // USB_CLASS_DEVICE_PATH Keyboard\r
  //\r
  {\r
    {\r
      MESSAGING_DEVICE_PATH, MSG_USB_CLASS_DP,\r
      DP_NODE_LEN (USB_CLASS_DEVICE_PATH)\r
    },\r
    0xFFFF, // VendorId: any\r
    0xFFFF, // ProductId: any\r
    3,      // DeviceClass: HID\r
    1,      // DeviceSubClass: boot\r
    1       // DeviceProtocol: keyboard\r
  },\r
\r
  //\r
  // EFI_DEVICE_PATH_PROTOCOL End\r
  //\r
  {\r
    END_DEVICE_PATH_TYPE, END_ENTIRE_DEVICE_PATH_SUBTYPE,\r
    DP_NODE_LEN (EFI_DEVICE_PATH_PROTOCOL)\r
  }\r
};\r
\r
/**\r
  An empty function to pass error checking of CreateEventEx ().\r
\r
  @param  Event                 Event whose notification function is being invoked.\r
  @param  Context               Pointer to the notification function's context,\r
                                which is implementation-dependent.\r
\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
EmptyCallbackFunction (\r
  IN EFI_EVENT                Event,\r
  IN VOID                     *Context\r
  )\r
{\r
}\r
\r
//\r
// BDS Platform Functions\r
//\r
/**\r
  Platform Bds init. Include the platform firmware vendor, revision\r
  and so crc check.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformBdsInit (\r
  VOID\r
  )\r
{\r
  EFI_EVENT           EndOfDxeEvent;\r
  EFI_STATUS          Status;\r
\r
  //\r
  // Signal EndOfDxe PI Event\r
  //\r
  Status = gBS->CreateEventEx (\r
                  EVT_NOTIFY_SIGNAL,\r
                  TPL_CALLBACK,\r
                  EmptyCallbackFunction,\r
                  NULL,\r
                  &gEfiEndOfDxeEventGroupGuid,\r
                  &EndOfDxeEvent\r
                  );\r
  if (!EFI_ERROR (Status)) {\r
    gBS->SignalEvent (EndOfDxeEvent);\r
    gBS->CloseEvent (EndOfDxeEvent);\r
  }\r
}\r
\r
\r
/**\r
  Check if the handle satisfies a particular condition.\r
\r
  @param[in] Handle      The handle to check.\r
  @param[in] ReportText  A caller-allocated string passed in for reporting\r
                         purposes. It must never be NULL.\r
\r
  @retval TRUE   The condition is satisfied.\r
  @retval FALSE  Otherwise. This includes the case when the condition could not\r
                 be fully evaluated due to an error.\r
**/\r
typedef\r
BOOLEAN\r
(EFIAPI *FILTER_FUNCTION) (\r
  IN EFI_HANDLE   Handle,\r
  IN CONST CHAR16 *ReportText\r
  );\r
\r
\r
/**\r
  Process a handle.\r
\r
  @param[in] Handle      The handle to process.\r
  @param[in] ReportText  A caller-allocated string passed in for reporting\r
                         purposes. It must never be NULL.\r
**/\r
typedef\r
VOID\r
(EFIAPI *CALLBACK_FUNCTION)  (\r
  IN EFI_HANDLE   Handle,\r
  IN CONST CHAR16 *ReportText\r
  );\r
\r
/**\r
  Locate all handles that carry the specified protocol, filter them with a\r
  callback function, and pass each handle that passes the filter to another\r
  callback.\r
\r
  @param[in] ProtocolGuid  The protocol to look for.\r
\r
  @param[in] Filter        The filter function to pass each handle to. If this\r
                           parameter is NULL, then all handles are processed.\r
\r
  @param[in] Process       The callback function to pass each handle to that\r
                           clears the filter.\r
**/\r
STATIC\r
VOID\r
FilterAndProcess (\r
  IN EFI_GUID          *ProtocolGuid,\r
  IN FILTER_FUNCTION   Filter         OPTIONAL,\r
  IN CALLBACK_FUNCTION Process\r
  )\r
{\r
  EFI_STATUS Status;\r
  EFI_HANDLE *Handles;\r
  UINTN      NoHandles;\r
  UINTN      Idx;\r
\r
  Status = gBS->LocateHandleBuffer (ByProtocol, ProtocolGuid,\r
                  NULL /* SearchKey */, &NoHandles, &Handles);\r
  if (EFI_ERROR (Status)) {\r
    //\r
    // This is not an error, just an informative condition.\r
    //\r
    DEBUG ((EFI_D_VERBOSE, "%a: %g: %r\n", __FUNCTION__, ProtocolGuid,\r
      Status));\r
    return;\r
  }\r
\r
  ASSERT (NoHandles > 0);\r
  for (Idx = 0; Idx < NoHandles; ++Idx) {\r
    CHAR16        *DevicePathText;\r
    STATIC CHAR16 Fallback[] = L"<device path unavailable>";\r
\r
    //\r
    // The ConvertDevicePathToText() function handles NULL input transparently.\r
    //\r
    DevicePathText = ConvertDevicePathToText (\r
                       DevicePathFromHandle (Handles[Idx]),\r
                       FALSE, // DisplayOnly\r
                       FALSE  // AllowShortcuts\r
                       );\r
    if (DevicePathText == NULL) {\r
      DevicePathText = Fallback;\r
    }\r
\r
    if (Filter == NULL || Filter (Handles[Idx], DevicePathText)) {\r
      Process (Handles[Idx], DevicePathText);\r
    }\r
\r
    if (DevicePathText != Fallback) {\r
      FreePool (DevicePathText);\r
    }\r
  }\r
  gBS->FreePool (Handles);\r
}\r
\r
\r
/**\r
  This FILTER_FUNCTION checks if a handle corresponds to a PCI display device.\r
**/\r
STATIC\r
BOOLEAN\r
EFIAPI\r
IsPciDisplay (\r
  IN EFI_HANDLE   Handle,\r
  IN CONST CHAR16 *ReportText\r
  )\r
{\r
  EFI_STATUS          Status;\r
  EFI_PCI_IO_PROTOCOL *PciIo;\r
  PCI_TYPE00          Pci;\r
\r
  Status = gBS->HandleProtocol (Handle, &gEfiPciIoProtocolGuid,\r
                  (VOID**)&PciIo);\r
  if (EFI_ERROR (Status)) {\r
    //\r
    // This is not an error worth reporting.\r
    //\r
    return FALSE;\r
  }\r
\r
  Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0 /* Offset */,\r
                        sizeof Pci / sizeof (UINT32), &Pci);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((EFI_D_ERROR, "%a: %s: %r\n", __FUNCTION__, ReportText, Status));\r
    return FALSE;\r
  }\r
\r
  return IS_PCI_DISPLAY (&Pci);\r
}\r
\r
\r
/**\r
  This CALLBACK_FUNCTION attempts to connect a handle non-recursively, asking\r
  the matching driver to produce all first-level child handles.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
Connect (\r
  IN EFI_HANDLE   Handle,\r
  IN CONST CHAR16 *ReportText\r
  )\r
{\r
  EFI_STATUS Status;\r
\r
  Status = gBS->ConnectController (\r
                  Handle, // ControllerHandle\r
                  NULL,   // DriverImageHandle\r
                  NULL,   // RemainingDevicePath -- produce all children\r
                  FALSE   // Recursive\r
                  );\r
  DEBUG ((EFI_ERROR (Status) ? EFI_D_ERROR : EFI_D_VERBOSE, "%a: %s: %r\n",\r
    __FUNCTION__, ReportText, Status));\r
}\r
\r
\r
/**\r
  This CALLBACK_FUNCTION retrieves the EFI_DEVICE_PATH_PROTOCOL from the\r
  handle, and adds it to ConOut and ErrOut.\r
**/\r
STATIC\r
VOID\r
EFIAPI\r
AddOutput (\r
  IN EFI_HANDLE   Handle,\r
  IN CONST CHAR16 *ReportText\r
  )\r
{\r
  EFI_STATUS               Status;\r
  EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
\r
  DevicePath = DevicePathFromHandle (Handle);\r
  if (DevicePath == NULL) {\r
    DEBUG ((EFI_D_ERROR, "%a: %s: handle %p: device path not found\n",\r
      __FUNCTION__, ReportText, Handle));\r
    return;\r
  }\r
\r
  Status = BdsLibUpdateConsoleVariable (L"ConOut", DevicePath, NULL);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((EFI_D_ERROR, "%a: %s: adding to ConOut: %r\n", __FUNCTION__,\r
      ReportText, Status));\r
    return;\r
  }\r
\r
  Status = BdsLibUpdateConsoleVariable (L"ErrOut", DevicePath, NULL);\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((EFI_D_ERROR, "%a: %s: adding to ErrOut: %r\n", __FUNCTION__,\r
      ReportText, Status));\r
    return;\r
  }\r
\r
  DEBUG ((EFI_D_VERBOSE, "%a: %s: added to ConOut and ErrOut\n", __FUNCTION__,\r
    ReportText));\r
}\r
\r
\r
/**\r
  The function will execute with as the platform policy, current policy\r
  is driven by boot mode. IBV/OEM can customize this code for their specific\r
  policy action.\r
\r
  @param  DriverOptionList        The header of the driver option link list\r
  @param  BootOptionList          The header of the boot option link list\r
  @param  ProcessCapsules         A pointer to ProcessCapsules()\r
  @param  BaseMemoryTest          A pointer to BaseMemoryTest()\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformBdsPolicyBehavior (\r
  IN LIST_ENTRY                      *DriverOptionList,\r
  IN LIST_ENTRY                      *BootOptionList,\r
  IN PROCESS_CAPSULES                ProcessCapsules,\r
  IN BASEM_MEMORY_TEST               BaseMemoryTest\r
  )\r
{\r
  //\r
  // Locate the PCI root bridges and make the PCI bus driver connect each,\r
  // non-recursively. This will produce a number of child handles with PciIo on\r
  // them.\r
  //\r
  FilterAndProcess (&gEfiPciRootBridgeIoProtocolGuid, NULL, Connect);\r
\r
  //\r
  // Find all display class PCI devices (using the handles from the previous\r
  // step), and connect them non-recursively. This should produce a number of\r
  // child handles with GOPs on them.\r
  //\r
  FilterAndProcess (&gEfiPciIoProtocolGuid, IsPciDisplay, Connect);\r
\r
  //\r
  // Now add the device path of all handles with GOP on them to ConOut and\r
  // ErrOut.\r
  //\r
  FilterAndProcess (&gEfiGraphicsOutputProtocolGuid, NULL, AddOutput);\r
\r
  //\r
  // Add the hardcoded short-form USB keyboard device path to ConIn.\r
  //\r
  BdsLibUpdateConsoleVariable (L"ConIn",\r
    (EFI_DEVICE_PATH_PROTOCOL *)&mUsbKeyboard, NULL);\r
\r
  //\r
  // Add the hardcoded serial console device path to ConIn, ConOut, ErrOut.\r
  //\r
  CopyGuid (&mSerialConsole.TermType.Guid,\r
    PcdGetPtr (PcdTerminalTypeGuidBuffer));\r
  BdsLibUpdateConsoleVariable (L"ConIn",\r
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r
  BdsLibUpdateConsoleVariable (L"ConOut",\r
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r
  BdsLibUpdateConsoleVariable (L"ErrOut",\r
    (EFI_DEVICE_PATH_PROTOCOL *)&mSerialConsole, NULL);\r
\r
  //\r
  // Connect the consoles based on the above variables.\r
  //\r
  BdsLibConnectAllDefaultConsoles ();\r
\r
  //\r
  // Show the splash screen.\r
  //\r
  EnableQuietBoot (PcdGetPtr (PcdLogoFile));\r
\r
  //\r
  // Connect the rest of the devices.\r
  //\r
  BdsLibConnectAll ();\r
\r
  //\r
  // Process QEMU's -kernel command line option. Note that the kernel booted\r
  // this way should receive ACPI tables, which is why we connect all devices\r
  // first (see above) -- PCI enumeration blocks ACPI table installation, if\r
  // there is a PCI host.\r
  //\r
  TryRunningQemuKernel ();\r
\r
  BdsLibEnumerateAllBootOption (BootOptionList);\r
  SetBootOrderFromQemu (BootOptionList);\r
  //\r
  // The BootOrder variable may have changed, reload the in-memory list with\r
  // it.\r
  //\r
  BdsLibBuildOptionFromVar (BootOptionList, L"BootOrder");\r
\r
  PlatformBdsEnterFrontPage (GetFrontPageTimeoutFromQemu(), TRUE);\r
}\r
\r
/**\r
  Hook point after a boot attempt succeeds. We don't expect a boot option to\r
  return, so the UEFI 2.0 specification defines that you will default to an\r
  interactive mode and stop processing the BootOrder list in this case. This\r
  is also a platform implementation and can be customized by IBV/OEM.\r
\r
  @param  Option                  Pointer to Boot Option that succeeded to boot.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformBdsBootSuccess (\r
  IN  BDS_COMMON_OPTION *Option\r
  )\r
{\r
}\r
\r
/**\r
  Hook point after a boot attempt fails.\r
\r
  @param  Option                  Pointer to Boot Option that failed to boot.\r
  @param  Status                  Status returned from failed boot.\r
  @param  ExitData                Exit data returned from failed boot.\r
  @param  ExitDataSize            Exit data size returned from failed boot.\r
\r
**/\r
VOID\r
EFIAPI\r
PlatformBdsBootFail (\r
  IN  BDS_COMMON_OPTION  *Option,\r
  IN  EFI_STATUS         Status,\r
  IN  CHAR16             *ExitData,\r
  IN  UINTN              ExitDataSize\r
  )\r
{\r
}\r
\r
/**\r
  This function locks platform flash that is not allowed to be updated during normal boot path.\r
  The flash layout is platform specific.\r
**/\r
VOID\r
EFIAPI\r
PlatformBdsLockNonUpdatableFlash (\r
  VOID\r
  )\r
{\r
  return;\r
}\r