/**
This function will connect all the system driver to controller
first, and then special connect the default console, this make
sure all the system controller available and the platform default
console connected.
**/
VOID
EFIAPI
BdsLibConnectAll (
VOID
)
{
//
// Connect the platform console first
//
BdsLibConnectAllDefaultConsoles ();
//
// Generic way to connect all the drivers
//
BdsLibConnectAllDriversToAllControllers ();
//
// Here we have the assumption that we have already had
// platform default console
//
BdsLibConnectAllDefaultConsoles ();
}
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;
}
/**
This function will search every simpletext device in current system,
and make every simpletext device as pertantial console device.
**/
VOID
EFIAPI
BdsLibConnectAllConsoles (
VOID
)
{
UINTN Index;
EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
Index = 0;
HandleCount = 0;
HandleBuffer = NULL;
ConDevicePath = NULL;
//
// Update all the console variables
//
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextInProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
for (Index = 0; Index < HandleCount; Index++) {
gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID **) &ConDevicePath
);
BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
}
if (HandleBuffer != NULL) {
FreePool(HandleBuffer);
HandleBuffer = NULL;
}
gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextOutProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
for (Index = 0; Index < HandleCount; Index++) {
gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID **) &ConDevicePath
);
BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
}
if (HandleBuffer != NULL) {
FreePool(HandleBuffer);
}
//
// Connect all console variables
//
BdsLibConnectAllDefaultConsoles ();
}
/**
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);
}
/**
Connect the predefined platform default console device. Always try to find
and enable the vga device if have.
@param PlatformConsole Predefined platform default console device array.
@retval EFI_SUCCESS Success connect at least one ConIn and ConOut
device, there must have one ConOut device is
active vga device.
@return Return the status of BdsLibConnectAllDefaultConsoles ()
**/
EFI_STATUS
PlatformBdsConnectConsole (
IN BDS_CONSOLE_CONNECT_ENTRY *PlatformConsole
)
{
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;
}