/** @file\r
*\r
-* Copyright (c) 2011, ARM Limited. All rights reserved.\r
-* \r
-* This program and the accompanying materials \r
-* are licensed and made available under the terms and conditions of the BSD License \r
-* which accompanies this distribution. The full text of the license may be found at \r
-* http://opensource.org/licenses/bsd-license.php \r
+* Copyright (c) 2011-2013, ARM Limited. All rights reserved.\r
*\r
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+* This program and the accompanying materials\r
+* are licensed and made available under the terms and conditions of the BSD License\r
+* which accompanies this 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,\r
+* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
*\r
**/\r
\r
CHAR16* NextDevicePathStr;\r
EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *EfiDevicePathFromTextProtocol;\r
\r
- Status = GetEnvironmentVariable (ConsoleVarName, NULL, NULL, (VOID**)&DevicePathInstances);\r
+ Status = GetGlobalEnvironmentVariable (ConsoleVarName, NULL, NULL, (VOID**)&DevicePathInstances);\r
if (EFI_ERROR(Status)) {\r
+ // In case no default console device path has been defined we assume a driver handles the console (eg: SimpleTextInOutSerial)\r
+ if ((DefaultConsolePaths == NULL) || (DefaultConsolePaths[0] == L'\0')) {\r
+ *DevicePaths = NULL;\r
+ return EFI_SUCCESS;\r
+ }\r
+\r
Status = gBS->LocateProtocol (&gEfiDevicePathFromTextProtocolGuid, NULL, (VOID **)&EfiDevicePathFromTextProtocol);\r
ASSERT_EFI_ERROR(Status);\r
\r
if (!EFI_ERROR(Status)) {\r
*DevicePaths = DevicePathInstances;\r
}\r
- return EFI_SUCCESS;\r
+ return Status;\r
}\r
\r
STATIC\r
EFI_DEVICE_PATH_PROTOCOL* DevicePath;\r
\r
// Connect all the Device Path Consoles\r
- do {\r
+ while (ConsoleDevicePaths != NULL) {\r
DevicePath = GetNextDevicePathInstance (&ConsoleDevicePaths, &Size);\r
\r
Status = BdsConnectDevicePath (DevicePath, Handle, NULL);\r
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;\r
CHAR16* DevicePathTxt;\r
EFI_STATUS Status;\r
- \r
+\r
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);\r
if (!EFI_ERROR(Status)) {\r
DevicePathTxt = DevicePathToTextProtocol->ConvertDevicePathToText (DevicePath, TRUE, TRUE);\r
if (!EFI_ERROR(Status) && (*Interface == NULL)) {\r
Status = gBS->HandleProtocol (*Handle, Protocol, Interface);\r
}\r
- } while (ConsoleDevicePaths != NULL);\r
+ }\r
\r
// No Device Path has been defined for this console interface. We take the first protocol implementation\r
if (*Interface == NULL) {\r
// By getting the Console Device Paths from the environment variables before initializing the console pipe, we\r
// create the 3 environment variables (ConIn, ConOut, ConErr) that allows to initialize all the console interface\r
// of newly installed console drivers\r
- Status = GetConsoleDevicePathFromVariable (L"ConOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths),&ConOutDevicePaths);\r
+ Status = GetConsoleDevicePathFromVariable (L"ConOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConOutDevicePaths);\r
ASSERT_EFI_ERROR (Status);\r
- Status = GetConsoleDevicePathFromVariable (L"ConIn", (CHAR16*)PcdGetPtr(PcdDefaultConInPaths),&ConInDevicePaths);\r
+ Status = GetConsoleDevicePathFromVariable (L"ConIn", (CHAR16*)PcdGetPtr(PcdDefaultConInPaths), &ConInDevicePaths);\r
ASSERT_EFI_ERROR (Status);\r
- Status = GetConsoleDevicePathFromVariable (L"ConErr", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths),&ConErrDevicePaths);\r
+ Status = GetConsoleDevicePathFromVariable (L"ErrOut", (CHAR16*)PcdGetPtr(PcdDefaultConOutPaths), &ConErrDevicePaths);\r
ASSERT_EFI_ERROR (Status);\r
\r
// Initialize the Consoles\r
gST->StdErr = gST->ConOut;\r
}\r
\r
+ // Free Memory allocated for reading the UEFI Variables\r
+ if (ConOutDevicePaths) {\r
+ FreePool (ConOutDevicePaths);\r
+ }\r
+ if (ConInDevicePaths) {\r
+ FreePool (ConInDevicePaths);\r
+ }\r
+ if (ConErrDevicePaths) {\r
+ FreePool (ConErrDevicePaths);\r
+ }\r
+\r
return EFI_SUCCESS;\r
}\r
\r
UINTN BootOrderSize;\r
UINTN Index;\r
CHAR16 BootVariableName[9];\r
- EFI_STATUS Status;\r
- EFI_INPUT_KEY Key;\r
+ EFI_STATUS Status;\r
+ EFI_INPUT_KEY Key;\r
\r
Size = sizeof(UINT16);\r
Timeout = (UINT16)PcdGet16 (PcdPlatformBootTimeOut);\r
TimeoutPtr = &Timeout;\r
- GetEnvironmentVariable (L"Timeout", &Timeout, &Size, (VOID**)&TimeoutPtr);\r
+ GetGlobalEnvironmentVariable (L"Timeout", &Timeout, &Size, (VOID**)&TimeoutPtr);\r
\r
if (Timeout != 0xFFFF) {\r
if (Timeout > 0) {\r
// In case of Timeout we start the default boot selection\r
if (Timeout == 0) {\r
// Get the Boot Option Order from the environment variable (a default value should have been created)\r
- GetEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
+ GetGlobalEnvironmentVariable (L"BootOrder", NULL, &BootOrderSize, (VOID**)&BootOrder);\r
\r
for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", BootOrder[Index]);\r
}\r
// In case of success, we should not return from this call.\r
}\r
+ FreePool (BootOrder);\r
}\r
}\r
return EFI_SUCCESS;\r
}\r
\r
/**\r
- This function uses policy data from the platform to determine what operating \r
- system or system utility should be loaded and invoked. This function call \r
- also optionally make the use of user input to determine the operating system \r
- or system utility to be loaded and invoked. When the DXE Core has dispatched \r
- all the drivers on the dispatch queue, this function is called. This \r
- function will attempt to connect the boot devices required to load and invoke \r
- the selected operating system or system utility. During this process, \r
- additional firmware volumes may be discovered that may contain addition DXE \r
- drivers that can be dispatched by the DXE Core. If a boot device cannot be \r
- fully connected, this function calls the DXE Service Dispatch() to allow the \r
- DXE drivers from any newly discovered firmware volumes to be dispatched. \r
- Then the boot device connection can be attempted again. If the same boot \r
- device connection operation fails twice in a row, then that boot device has \r
+ This function uses policy data from the platform to determine what operating\r
+ system or system utility should be loaded and invoked. This function call\r
+ also optionally make the use of user input to determine the operating system\r
+ or system utility to be loaded and invoked. When the DXE Core has dispatched\r
+ all the drivers on the dispatch queue, this function is called. This\r
+ function will attempt to connect the boot devices required to load and invoke\r
+ the selected operating system or system utility. During this process,\r
+ additional firmware volumes may be discovered that may contain addition DXE\r
+ drivers that can be dispatched by the DXE Core. If a boot device cannot be\r
+ fully connected, this function calls the DXE Service Dispatch() to allow the\r
+ DXE drivers from any newly discovered firmware volumes to be dispatched.\r
+ Then the boot device connection can be attempted again. If the same boot\r
+ device connection operation fails twice in a row, then that boot device has\r
failed, and should be skipped. This function should never return.\r
\r
@param This The EFI_BDS_ARCH_PROTOCOL instance.\r
{\r
UINTN Size;\r
EFI_STATUS Status;\r
+ UINT16 *BootNext;\r
+ UINTN BootNextSize;\r
+ CHAR16 BootVariableName[9];\r
\r
PERF_END (NULL, "DXE", NULL, 0);\r
\r
}\r
\r
// If BootNext environment variable is defined then we just load it !\r
- Status = BdsStartBootOption (L"BootNext");\r
- if (Status != EFI_NOT_FOUND) {\r
- // BootNext has not been succeeded launched\r
- if (EFI_ERROR(Status)) {\r
- Print(L"Fail to start BootNext.\n");\r
+ BootNextSize = sizeof(UINT16);\r
+ Status = GetGlobalEnvironmentVariable (L"BootNext", NULL, &BootNextSize, (VOID**)&BootNext);\r
+ if (!EFI_ERROR(Status)) {\r
+ ASSERT(BootNextSize == sizeof(UINT16));\r
+\r
+ // Generate the requested Boot Entry variable name\r
+ UnicodeSPrint (BootVariableName, 9 * sizeof(CHAR16), L"Boot%04X", *BootNext);\r
+\r
+ // Set BootCurrent variable\r
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ BootNextSize, BootNext);\r
+\r
+ FreePool (BootNext);\r
+\r
+ // Start the requested Boot Entry\r
+ Status = BdsStartBootOption (BootVariableName);\r
+ if (Status != EFI_NOT_FOUND) {\r
+ // BootNext has not been succeeded launched\r
+ if (EFI_ERROR(Status)) {\r
+ Print(L"Fail to start BootNext.\n");\r
+ }\r
+\r
+ // Delete the BootNext environment variable\r
+ gRT->SetVariable (L"BootNext", &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ 0, NULL);\r
}\r
\r
- // Delete the BootNext environment variable\r
- gRT->SetVariable (L"BootNext", &gEfiGlobalVariableGuid,\r
- EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
+ // Clear BootCurrent variable\r
+ gRT->SetVariable (L"BootCurrent", &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r
0, NULL);\r
}\r
\r
projects / mirror_edk2.git / blobdiff