diff options
Diffstat (limited to 'ArmPlatformPkg/Bds/Bds.c')
| -rw-r--r-- | ArmPlatformPkg/Bds/Bds.c | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/ArmPlatformPkg/Bds/Bds.c b/ArmPlatformPkg/Bds/Bds.c deleted file mode 100644 index 4cea3cd..0000000 --- a/ArmPlatformPkg/Bds/Bds.c +++ /dev/null @@ -1,561 +0,0 @@ -/** @file
-*
-* Copyright (c) 2011-2015, ARM Limited. All rights reserved.
-*
-* 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 "BdsInternal.h"
-
-#include <Library/PcdLib.h>
-#include <Library/PerformanceLib.h>
-
-#include <Protocol/Bds.h>
-
-#include <Guid/EventGroup.h>
-
-#define EFI_SET_TIMER_TO_SECOND 10000000
-
-STATIC
-EFI_STATUS
-GetConsoleDevicePathFromVariable (
- IN CHAR16* ConsoleVarName,
- IN CHAR16* DefaultConsolePaths,
- OUT EFI_DEVICE_PATH** DevicePaths
- )
-{
- EFI_STATUS Status;
- UINTN Size;
- EFI_DEVICE_PATH_PROTOCOL* DevicePathInstances;
- EFI_DEVICE_PATH_PROTOCOL* DevicePathInstance;
- CHAR16* DevicePathStr;
- CHAR16* NextDevicePathStr;
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;
-
- Status = GetGlobalEnvironmentVariable (ConsoleVarName, NULL, NULL, (VOID**)&DevicePathInstances);
- if (EFI_ERROR(Status)) {
- // In case no default console device path has been defined we assume a driver handles the console (eg: SimpleTextInOutSerial)
- if ((DefaultConsolePaths == NULL) || (DefaultConsolePaths[0] == L'\0')) {
- *DevicePaths = NULL;
- return EFI_SUCCESS;
- }
-
- Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);
- ASSERT_EFI_ERROR(Status);
-
- DevicePathInstances = NULL;
-
- // Extract the Device Path instances from the multi-device path string
- while ((DefaultConsolePaths != NULL) && (DefaultConsolePaths[0] != L'\0')) {
- NextDevicePathStr = StrStr (DefaultConsolePaths, L";");
- if (NextDevicePathStr == NULL) {
- DevicePathStr = DefaultConsolePaths;
- DefaultConsolePaths = NULL;
- } else {
- DevicePathStr = (CHAR16*)AllocateCopyPool ((NextDevicePathStr - DefaultConsolePaths + 1) * sizeof(CHAR16), DefaultConsolePaths);
- *(DevicePathStr + (NextDevicePathStr - DefaultConsolePaths)) = L'\0';
- DefaultConsolePaths = NextDevicePathStr;
- if (DefaultConsolePaths[0] == L';') {
- DefaultConsolePaths++;
- }
- }
-
- DevicePathInstance = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath (DevicePathStr);
- ASSERT(DevicePathInstance != NULL);
- DevicePathInstances = AppendDevicePathInstance (DevicePathInstances, DevicePathInstance);
-
- if (NextDevicePathStr != NULL) {
- FreePool (DevicePathStr);
- }
- FreePool (DevicePathInstance);
- }
-
- // Set the environment variable with this device path multi-instances
- Size = GetDevicePathSize (DevicePathInstances);
- if (Size > 0) {
- gRT->SetVariable (
- ConsoleVarName,
- &gEfiGlobalVariableGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- Size,
- DevicePathInstances
- );
- } else {
- Status = EFI_INVALID_PARAMETER;
- }
- }
-
- if (!EFI_ERROR(Status)) {
- *DevicePaths = DevicePathInstances;
- }
- return Status;
-}
-
-STATIC
-EFI_STATUS
-InitializeConsolePipe (
- IN EFI_DEVICE_PATH *ConsoleDevicePaths,
- IN EFI_GUID *Protocol,
- OUT EFI_HANDLE *Handle,
- OUT VOID* *Interface
- )
-{
- EFI_STATUS Status;
- UINTN Size;
- UINTN NoHandles;
- EFI_HANDLE *Buffer;
- EFI_DEVICE_PATH_PROTOCOL* DevicePath;
-
- // Connect all the Device Path Consoles
- while (ConsoleDevicePaths != NULL) {
- DevicePath = GetNextDevicePathInstance (&ConsoleDevicePaths, &Size);
-
- Status = BdsConnectDevicePath (DevicePath, Handle, NULL);
- DEBUG_CODE_BEGIN();
- if (EFI_ERROR(Status)) {
- // We convert back to the text representation of the device Path
- EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
- CHAR16* DevicePathTxt;
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
- if (!EFI_ERROR(Status)) {
- DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (DevicePath, TRUE, TRUE);
-
- DEBUG((EFI_D_ERROR,"Fail to start the console with the Device Path '%s'. (Error '%r')\n", DevicePathTxt, Status));
-
- FreePool (DevicePathTxt);
- }
- }
- DEBUG_CODE_END();
-
- // If the console splitter driver is not supported by the platform then use the first Device Path
- // instance for the console interface.
- if (!EFI_ERROR(Status) && (*Interface == NULL)) {
- Status = gBS->HandleProtocol (*Handle, Protocol, Interface);
- }
- }
-
- // No Device Path has been defined for this console interface. We take the first protocol implementation
- if (*Interface == NULL) {
- Status = gBS->LocateHandleBuffer (ByProtocol, Protocol, NULL, &NoHandles, &Buffer);
- if (EFI_ERROR (Status)) {
- BdsConnectAllDrivers();
- Status = gBS->LocateHandleBuffer (ByProtocol, Protocol, NULL, &NoHandles, &Buffer);
- }
-
- if (!EFI_ERROR(Status)) {
- *Handle = Buffer[0];
- Status = gBS->HandleProtocol (*Handle, Protocol, Interface);
- ASSERT_EFI_ERROR(Status);
- FreePool (Buffer);
- }
- } else {
- Status = EFI_SUCCESS;
- }
-
- return Status;
-}
-
-EFI_STATUS
-InitializeConsole (
- VOID
- )
-{
- EFI_STATUS Status;
- EFI_DEVICE_PATH* ConOutDevicePaths;
- EFI_DEVICE_PATH* ConInDevicePaths;
- EFI_DEVICE_PATH* ConErrDevicePaths;
-
- // By getting the Console Device Paths from the environment variables before initializing the console pipe, we
- // create the 3 environment variables (ConIn, ConOut, ConErr) that allows to initialize all the console interface
- // of newly installed console drivers
- Status = GetConsoleDevicePathFromVariable (L"ConOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConOutDevicePaths);
- ASSERT_EFI_ERROR (Status);
- Status = GetConsoleDevicePathFromVariable (L"ConIn", (CHAR16*)PcdGetPtr(PcdDefaultConInPaths), &ConInDevicePaths);
- ASSERT_EFI_ERROR (Status);
- Status = GetConsoleDevicePathFromVariable (L"ErrOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConErrDevicePaths);
- ASSERT_EFI_ERROR (Status);
-
- // Initialize the Consoles
- Status = InitializeConsolePipe (ConOutDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->ConsoleOutHandle, (VOID **)&gST->ConOut);
- ASSERT_EFI_ERROR (Status);
- Status = InitializeConsolePipe (ConInDevicePaths, &gEfiSimpleTextInProtocolGuid, &gST->ConsoleInHandle, (VOID **)&gST->ConIn);
- ASSERT_EFI_ERROR (Status);
- Status = InitializeConsolePipe (ConErrDevicePaths, &gEfiSimpleTextOutProtocolGuid, &gST->StandardErrorHandle, (VOID **)&gST->StdErr);
- if (EFI_ERROR(Status)) {
- // In case of error, we reuse the console output for the error output
- gST->StandardErrorHandle = gST->ConsoleOutHandle;
- gST->StdErr = gST->ConOut;
- }
-
- // Free Memory allocated for reading the UEFI Variables
- if (ConOutDevicePaths) {
- FreePool (ConOutDevicePaths);
- }
- if (ConInDevicePaths) {
- FreePool (ConInDevicePaths);
- }
- if (ConErrDevicePaths) {
- FreePool (ConErrDevicePaths);
- }
-
- return EFI_SUCCESS;
-}
-
-EFI_STATUS
-DefineDefaultBootEntries (
- VOID
- )
-{
- BDS_LOAD_OPTION* BdsLoadOption;
- UINTN Size;
- EFI_STATUS Status;
- EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL* EfiDevicePathFromTextProtocol;
- EFI_DEVICE_PATH* BootDevicePath;
- UINTN CmdLineSize;
- UINTN CmdLineAsciiSize;
- CHAR16* DefaultBootArgument;
- CHAR8* AsciiDefaultBootArgument;
-
- //
- // If Boot Order does not exist then create a default entry
- //
- Size = 0;
- Status = gRT->GetVariable (L"BootOrder", &gEfiGlobalVariableGuid, NULL, &Size, NULL);
- if (Status == EFI_NOT_FOUND) {
- if ((PcdGetPtr(PcdDefaultBootDevicePath) == NULL) || (StrLen ((CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath)) == 0)) {
- return EFI_UNSUPPORTED;
- }
-
- Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);
- if (EFI_ERROR(Status)) {
- // You must provide an implementation of DevicePathFromTextProtocol in your firmware (eg: DevicePathDxe)
- DEBUG((EFI_D_ERROR,"Error: Bds requires DevicePathFromTextProtocol\n"));
- return Status;
- }
- BootDevicePath = EfiDevicePathFromTextProtocol->ConvertTextToDevicePath ((CHAR16*)PcdGetPtr(PcdDefaultBootDevicePath));
-
- DEBUG_CODE_BEGIN();
- // We convert back to the text representation of the device Path to see if the initial text is correct
- EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
- CHAR16* DevicePathTxt;
-
- Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
- ASSERT_EFI_ERROR(Status);
- DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (BootDevicePath, TRUE, TRUE);
-
- if (StrCmp ((CHAR16*)PcdGetPtr (PcdDefaultBootDevicePath), DevicePathTxt) != 0) {
- DEBUG ((EFI_D_ERROR, "Device Path given: '%s' Device Path expected: '%s'\n",
- (CHAR16*)PcdGetPtr (PcdDefaultBootDevicePath), DevicePathTxt));
- ASSERT_EFI_ERROR (EFI_INVALID_PARAMETER);
- }
-
- FreePool (DevicePathTxt);
- DEBUG_CODE_END();
-
- // Create the entry is the Default values are correct
- if (BootDevicePath != NULL) {
- // We do not support NULL pointer
- ASSERT (PcdGetPtr (PcdDefaultBootArgument) != NULL);
-
- //
- // Logic to handle ASCII or Unicode default parameters
- //
- if (*(CHAR8*)PcdGetPtr (PcdDefaultBootArgument) == '\0') {
- CmdLineSize = 0;
- CmdLineAsciiSize = 0;
- DefaultBootArgument = NULL;
- AsciiDefaultBootArgument = NULL;
- } else if (IsUnicodeString ((CHAR16*)PcdGetPtr (PcdDefaultBootArgument))) {
- // The command line is a Unicode string
- DefaultBootArgument = (CHAR16*)PcdGetPtr (PcdDefaultBootArgument);
- CmdLineSize = StrSize (DefaultBootArgument);
-
- // Initialize ASCII variables
- CmdLineAsciiSize = CmdLineSize / 2;
- AsciiDefaultBootArgument = AllocatePool (CmdLineAsciiSize);
- if (AsciiDefaultBootArgument == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- UnicodeStrToAsciiStr ((CHAR16*)PcdGetPtr (PcdDefaultBootArgument), AsciiDefaultBootArgument);
- } else {
- // The command line is a ASCII string
- AsciiDefaultBootArgument = (CHAR8*)PcdGetPtr (PcdDefaultBootArgument);
- CmdLineAsciiSize = AsciiStrSize (AsciiDefaultBootArgument);
-
- // Initialize ASCII variables
- CmdLineSize = CmdLineAsciiSize * 2;
- DefaultBootArgument = AllocatePool (CmdLineSize);
- if (DefaultBootArgument == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- AsciiStrToUnicodeStr (AsciiDefaultBootArgument, DefaultBootArgument);
- }
-
- BootOptionCreate (LOAD_OPTION_ACTIVE | LOAD_OPTION_CATEGORY_BOOT,
- (CHAR16*)PcdGetPtr (PcdDefaultBootDescription),
- BootDevicePath,
- (UINT8 *)DefaultBootArgument, // OptionalData
- CmdLineSize, // OptionalDataSize
- &BdsLoadOption
- );
- FreePool (BdsLoadOption);
-
- if (DefaultBootArgument == (CHAR16*)PcdGetPtr (PcdDefaultBootArgument)) {
- FreePool (AsciiDefaultBootArgument);
- } else if (DefaultBootArgument != NULL) {
- FreePool (DefaultBootArgument);
- }
- } else {
- Status = EFI_UNSUPPORTED;
- }
- }
-
- return Status;
-}
-
-EFI_STATUS
-StartDefaultBootOnTimeout (
- VOID
- )
-{
- UINTN Size;
- UINT16 Timeout;
- UINT16 *TimeoutPtr;
- EFI_EVENT WaitList[2];
- UINTN WaitIndex;
- UINT16 *BootOrder;
- UINTN BootOrderSize;
- UINTN Index;
- CHAR16 BootVariableName[9];
- EFI_STATUS Status;
- EFI_INPUT_KEY Key;
-
- Size = sizeof(UINT16);
- Timeout = (UINT16)PcdGet16 (PcdPlatformBootTimeOut);
- Status = GetGlobalEnvironmentVariable (L"Timeout", &Timeout, &Size, (VOID**)&TimeoutPtr);
- if (!EFI_ERROR (Status)) {
- Timeout = *TimeoutPtr;
- FreePool (TimeoutPtr);
- }
-
- if (Timeout != 0xFFFF) {
- if (Timeout > 0) {
- // Create the waiting events (keystroke and 1sec timer)
- gBS->CreateEvent (EVT_TIMER, 0, NULL, NULL, &WaitList[0]);
- gBS->SetTimer (WaitList[0], TimerPeriodic, EFI_SET_TIMER_TO_SECOND);
- WaitList[1] = gST->ConIn->WaitForKey;
-
- // Start the timer
- WaitIndex = 0;
- Print(L"The default boot selection will start in ");
- while ((Timeout > 0) && (WaitIndex == 0)) {
- Print(L"%3d seconds",Timeout);
- gBS->WaitForEvent (2, WaitList, &WaitIndex);
- if (WaitIndex == 0) {
- Print(L"\b\b\b\b\b\b\b\b\b\b\b");
- Timeout--;
- }
- }
- // Discard key in the buffer
- do {
- Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
- } while(!EFI_ERROR(Status));
- gBS->CloseEvent (WaitList[0]);
- Print(L"\n\r");
- }
-
- // In case of Timeout we start the default boot selection
- if (Timeout == 0) {
- // Get the Boot Option Order from the environment variable (a default value should have been created)
- GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);
-
- for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {
- UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOrder[Index]);
- Status = BdsStartBootOption (BootVariableName);
- if(!EFI_ERROR(Status)){
- // Boot option returned successfully, hence don't need to start next boot option
- break;
- }
- // In case of success, we should not return from this call.
- }
- FreePool (BootOrder);
- }
- }
- return EFI_SUCCESS;
-}
-
-/**
- An empty function to pass error checking of CreateEventEx ().
-
- @param Event Event whose notification function is being invoked.
- @param Context Pointer to the notification function's context,
- which is implementation-dependent.
-
-**/
-VOID
-EFIAPI
-EmptyCallbackFunction (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- return;
-}
-
-/**
- This function uses policy data from the platform to determine what operating
- system or system utility should be loaded and invoked. This function call
- also optionally make the use of user input to determine the operating system
- or system utility to be loaded and invoked. When the DXE Core has dispatched
- all the drivers on the dispatch queue, this function is called. This
- function will attempt to connect the boot devices required to load and invoke
- the selected operating system or system utility. During this process,
- additional firmware volumes may be discovered that may contain addition DXE
- drivers that can be dispatched by the DXE Core. If a boot device cannot be
- fully connected, this function calls the DXE Service Dispatch() to allow the
- DXE drivers from any newly discovered firmware volumes to be dispatched.
- Then the boot device connection can be attempted again. If the same boot
- device connection operation fails twice in a row, then that boot device has
- failed, and should be skipped. This function should never return.
-
- @param This The EFI_BDS_ARCH_PROTOCOL instance.
-
- @return None.
-
-**/
-VOID
-EFIAPI
-BdsEntry (
- IN EFI_BDS_ARCH_PROTOCOL *This
- )
-{
- UINTN Size;
- EFI_STATUS Status;
- UINT16 *BootNext;
- UINTN BootNextSize;
- CHAR16 BootVariableName[9];
- EFI_EVENT EndOfDxeEvent;
-
- //
- // Signal EndOfDxe PI Event
- //
- Status = gBS->CreateEventEx (
- EVT_NOTIFY_SIGNAL,
- TPL_NOTIFY,
- EmptyCallbackFunction,
- NULL,
- &gEfiEndOfDxeEventGroupGuid,
- &EndOfDxeEvent
- );
- if (!EFI_ERROR (Status)) {
- gBS->SignalEvent (EndOfDxeEvent);
- }
-
- PERF_END (NULL, "DXE", NULL, 0);
-
- //
- // Declare the Firmware Vendor
- //
- if (FixedPcdGetPtr(PcdFirmwareVendor) != NULL) {
- Size = 0x100;
- gST->FirmwareVendor = AllocateRuntimePool (Size);
- ASSERT (gST->FirmwareVendor != NULL);
- UnicodeSPrint (gST->FirmwareVendor, Size, L"%a EFI %a %a", PcdGetPtr(PcdFirmwareVendor), __DATE__, __TIME__);
- }
-
- //
- // Fixup Table CRC after we updated Firmware Vendor
- //
- gST->Hdr.CRC32 = 0;
- Status = gBS->CalculateCrc32 ((VOID*)gST, gST->Hdr.HeaderSize, &gST->Hdr.CRC32);
- ASSERT_EFI_ERROR (Status);
-
- // Now we need to setup the EFI System Table with information about the console devices.
- InitializeConsole ();
-
- // If BootNext environment variable is defined then we just load it !
- BootNextSize = sizeof(UINT16);
- Status = GetGlobalEnvironmentVariable (L"BootNext", NULL, &BootNextSize, (VOID**)&BootNext);
- if (!EFI_ERROR(Status)) {
- ASSERT(BootNextSize == sizeof(UINT16));
-
- // Generate the requested Boot Entry variable name
- UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", *BootNext);
-
- // Set BootCurrent variable
- gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- BootNextSize, BootNext);
-
- FreePool (BootNext);
-
- // Start the requested Boot Entry
- Status = BdsStartBootOption (BootVariableName);
- if (Status != EFI_NOT_FOUND) {
- // BootNext has not been succeeded launched
- if (EFI_ERROR(Status)) {
- Print(L"Fail to start BootNext.\n");
- }
-
- // Delete the BootNext environment variable
- gRT->SetVariable (L"BootNext", &gEfiGlobalVariableGuid,
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- 0, NULL);
- }
-
- // Clear BootCurrent variable
- gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,
- EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
- 0, NULL);
- }
-
- // If Boot Order does not exist then create a default entry
- DefineDefaultBootEntries ();
-
- //
- // Update the CRC32 in the EFI System Table header
- //
- gST->Hdr.CRC32 = 0;
- Status = gBS->CalculateCrc32 ((VOID*)gST, gST->Hdr.HeaderSize, &gST->Hdr.CRC32);
- ASSERT_EFI_ERROR (Status);
-
- // Timer before initiating the default boot selection
- StartDefaultBootOnTimeout ();
-
- // Start the Boot Menu
- Status = BootMenuMain ();
- ASSERT_EFI_ERROR (Status);
-
-}
-
-EFI_BDS_ARCH_PROTOCOL gBdsProtocol = {
- BdsEntry,
-};
-
-EFI_STATUS
-EFIAPI
-BdsInitialize (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &ImageHandle,
- &gEfiBdsArchProtocolGuid, &gBdsProtocol,
- NULL
- );
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
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