[mirror_edk2.git] / MdeModulePkg / Universal / BdsDxe / BdsEntry.c

/** @file\r
  The entry of the bds\r
\r
Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
All rights reserved. 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
#include "Bds.h"\r
#include "Language.h"\r
#include "FrontPage.h"\r
#include "Hotkey.h"\r
#include "HwErrRecSupport.h"\r
\r
\r
EFI_BDS_ARCH_PROTOCOL_INSTANCE  gBdsInstanceTemplate = {\r
  EFI_BDS_ARCH_PROTOCOL_INSTANCE_SIGNATURE,\r
  NULL,\r
  {BdsEntry},\r
  0xFFFF,\r
  TRUE,\r
  EXTENSIVE\r
};\r
\r
UINT16                          *mBootNext = NULL;\r
\r
EFI_HANDLE                      mBdsImageHandle;\r
\r
/**\r
\r
  Install Boot Device Selection Protocol\r
\r
\r
  @param ImageHandle     The image handle.\r
  @param SystemTable     The system table.\r
\r
  @retval  EFI_SUCEESS  BDS has finished initializing.\r
                        Rerun the\r
                        dispatcher and recall BDS.Entry\r
  @retval  Other        Return value from AllocatePool()\r
                        or gBS->InstallProtocolInterface\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
BdsInitialize (\r
  IN EFI_HANDLE                            ImageHandle,\r
  IN EFI_SYSTEM_TABLE                      *SystemTable\r
  )\r
{\r
  EFI_STATUS  Status;\r
\r
  mBdsImageHandle = ImageHandle;\r
\r
  //\r
  // Install protocol interface\r
  //\r
  Status = gBS->InstallProtocolInterface (\r
                  &gBdsInstanceTemplate.Handle,\r
                  &gEfiBdsArchProtocolGuid,\r
                  EFI_NATIVE_INTERFACE,\r
                  &gBdsInstanceTemplate.Bds\r
                  );\r
  ASSERT_EFI_ERROR (Status);\r
\r
  return Status;\r
}\r
\r
/**\r
\r
  This function attempts to boot for the boot order specified\r
  by platform policy.\r
\r
**/\r
VOID\r
BdsBootDeviceSelect (\r
  VOID\r
  )\r
{\r
  EFI_STATUS        Status;\r
  LIST_ENTRY        *Link;\r
  BDS_COMMON_OPTION *BootOption;\r
  UINTN             ExitDataSize;\r
  CHAR16            *ExitData;\r
  UINT16            Timeout;\r
  LIST_ENTRY        BootLists;\r
  CHAR16            Buffer[20];\r
  BOOLEAN           BootNextExist;\r
  LIST_ENTRY        *LinkBootNext;\r
\r
  //\r
  // Got the latest boot option\r
  //\r
  BootNextExist = FALSE;\r
  LinkBootNext  = NULL;\r
  InitializeListHead (&BootLists);\r
\r
  //\r
  // First check the boot next option\r
  //\r
  ZeroMem (Buffer, sizeof (Buffer));\r
\r
  if (mBootNext != NULL) {\r
    //\r
    // Indicate we have the boot next variable, so this time\r
    // boot will always have this boot option\r
    //\r
    BootNextExist = TRUE;\r
\r
    //\r
    // Clear the this variable so it's only exist in this time boot\r
    //\r
    gRT->SetVariable (\r
          L"BootNext",\r
          &gEfiGlobalVariableGuid,\r
          EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
          0,\r
          mBootNext\r
          );\r
\r
    //\r
    // Add the boot next boot option\r
    //\r
    UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *mBootNext);\r
    BootOption = BdsLibVariableToOption (&BootLists, Buffer);\r
    BootOption->BootCurrent = *mBootNext;\r
  }\r
  //\r
  // Parse the boot order to get boot option\r
  //\r
  BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
  Link = BootLists.ForwardLink;\r
\r
  //\r
  // Parameter check, make sure the loop will be valid\r
  //\r
  if (Link == NULL) {\r
    return ;\r
  }\r
  //\r
  // Here we make the boot in a loop, every boot success will\r
  // return to the front page\r
  //\r
  for (;;) {\r
    //\r
    // Check the boot option list first\r
    //\r
    if (Link == &BootLists) {\r
      //\r
      // There are two ways to enter here:\r
      // 1. There is no active boot option, give user chance to\r
      //    add new boot option\r
      // 2. All the active boot option processed, and there is no\r
      //    one is success to boot, then we back here to allow user\r
      //    add new active boot option\r
      //\r
      Timeout = 0xffff;\r
      PlatformBdsEnterFrontPage (Timeout, FALSE);\r
      InitializeListHead (&BootLists);\r
      BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
      Link = BootLists.ForwardLink;\r
      continue;\r
    }\r
    //\r
    // Get the boot option from the link list\r
    //\r
    BootOption = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);\r
\r
    //\r
    // According to EFI Specification, if a load option is not marked\r
    // as LOAD_OPTION_ACTIVE, the boot manager will not automatically\r
    // load the option.\r
    //\r
    if (!IS_LOAD_OPTION_TYPE (BootOption->Attribute, LOAD_OPTION_ACTIVE)) {\r
      //\r
      // skip the header of the link list, becuase it has no boot option\r
      //\r
      Link = Link->ForwardLink;\r
      continue;\r
    }\r
    //\r
    // Make sure the boot option device path connected,\r
    // but ignore the BBS device path\r
    //\r
    if (DevicePathType (BootOption->DevicePath) != BBS_DEVICE_PATH) {\r
      //\r
      // Notes: the internal shell can not been connected with device path\r
      // so we do not check the status here\r
      //\r
      BdsLibConnectDevicePath (BootOption->DevicePath);\r
    }\r
    //\r
    // All the driver options should have been processed since\r
    // now boot will be performed.\r
    //\r
    Status = BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);\r
    if (EFI_ERROR (Status)) {\r
      //\r
      // Call platform action to indicate the boot fail\r
      //\r
      BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));\r
      PlatformBdsBootFail (BootOption, Status, ExitData, ExitDataSize);\r
\r
      //\r
      // Check the next boot option\r
      //\r
      Link = Link->ForwardLink;\r
\r
    } else {\r
      //\r
      // Call platform action to indicate the boot success\r
      //\r
      BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED)); \r
      PlatformBdsBootSuccess (BootOption);\r
\r
      //\r
      // Boot success, then stop process the boot order, and\r
      // present the boot manager menu, front page\r
      //\r
      Timeout = 0xffff;\r
      PlatformBdsEnterFrontPage (Timeout, FALSE);\r
\r
      //\r
      // Rescan the boot option list, avoid pertential risk of the boot\r
      // option change in front page\r
      //\r
      if (BootNextExist) {\r
        LinkBootNext = BootLists.ForwardLink;\r
      }\r
\r
      InitializeListHead (&BootLists);\r
      if (LinkBootNext != NULL) {\r
        //\r
        // Reserve the boot next option\r
        //\r
        InsertTailList (&BootLists, LinkBootNext);\r
      }\r
\r
      BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
      Link = BootLists.ForwardLink;\r
    }\r
  }\r
\r
}\r
\r
/**\r
\r
  Service routine for BdsInstance->Entry(). Devices are connected, the\r
  consoles are initialized, and the boot options are tried.\r
\r
\r
  @param This            - Protocol Instance structure.\r
\r
  @retval  EFI_SUCEESS  BDS->Entry has finished executing.\r
\r
**/\r
VOID\r
EFIAPI\r
BdsEntry (\r
  IN EFI_BDS_ARCH_PROTOCOL  *This\r
  )\r
{\r
  EFI_BDS_ARCH_PROTOCOL_INSTANCE  *PrivateData;\r
  LIST_ENTRY                      DriverOptionList;\r
  LIST_ENTRY                      BootOptionList;\r
  UINTN                           BootNextSize;\r
\r
  //\r
  // Insert the performance probe\r
  //\r
  PERF_END (0, DXE_TOK, NULL, 0);\r
  PERF_START (0, BDS_TOK, NULL, 0);\r
\r
  //\r
  // Initialize the global system boot option and driver option\r
  //\r
  InitializeListHead (&DriverOptionList);\r
  InitializeListHead (&BootOptionList);\r
\r
  //\r
  // Initialize hotkey service\r
  //\r
  InitializeHotkeyService ();\r
\r
  //\r
  // Get the BDS private data\r
  //\r
  PrivateData = EFI_BDS_ARCH_PROTOCOL_INSTANCE_FROM_THIS (This);\r
\r
  //\r
  // Do the platform init, can be customized by OEM/IBV\r
  //\r
  PERF_START (0, "PlatformBds", "BDS", 0);\r
  PlatformBdsInit (PrivateData);\r
\r
  if (FeaturePcdGet (PcdSupportHardwareErrorRecord)) {\r
    InitializeHwErrRecSupport (PcdGet16 (PcdHardwareErrorRecordLevel));\r
  }\r
  //\r
  // bugbug: platform specific code\r
  // Initialize the platform specific string and language\r
  //\r
  InitializeStringSupport ();\r
  InitializeLanguage (TRUE);\r
  InitializeFrontPage (TRUE);\r
\r
  //\r
  // Set up the device list based on EFI 1.1 variables\r
  // process Driver#### and Load the driver's in the\r
  // driver option list\r
  //\r
  BdsLibBuildOptionFromVar (&DriverOptionList, L"DriverOrder");\r
  if (!IsListEmpty (&DriverOptionList)) {\r
    BdsLibLoadDrivers (&DriverOptionList);\r
  }\r
  //\r
  // Check if we have the boot next option\r
  //\r
  mBootNext = BdsLibGetVariableAndSize (\r
                L"BootNext",\r
                &gEfiGlobalVariableGuid,\r
                &BootNextSize\r
                );\r
\r
  //\r
  // Setup some platform policy here\r
  //\r
  PlatformBdsPolicyBehavior (PrivateData, &DriverOptionList, &BootOptionList);\r
  PERF_END (0, "PlatformBds", "BDS", 0);\r
\r
  //\r
  // BDS select the boot device to load OS\r
  //\r
  BdsBootDeviceSelect ();\r
\r
  //\r
  // Only assert here since this is the right behavior, we should never\r
  // return back to DxeCore.\r
  //\r
  ASSERT (FALSE);\r
\r
  return ;\r
}\r
Commit	Line	Data
fd6a62f3	1	/** @file\r
fd6a62f3	2	The entry of the bds\r
93e3992d	3	\r
fd6a62f3	4	Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
93e3992d	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
fd6a62f3	13	**/\r
93e3992d	14	\r
	15	#include "Bds.h"\r
	16	#include "Language.h"\r
	17	#include "FrontPage.h"\r
	18	#include "Hotkey.h"\r
	19	#include "HwErrRecSupport.h"\r
	20	\r
	21	\r
	22	EFI_BDS_ARCH_PROTOCOL_INSTANCE gBdsInstanceTemplate = {\r
	23	EFI_BDS_ARCH_PROTOCOL_INSTANCE_SIGNATURE,\r
	24	NULL,\r
	25	{BdsEntry},\r
	26	0xFFFF,\r
	27	TRUE,\r
	28	EXTENSIVE\r
	29	};\r
	30	\r
	31	UINT16 *mBootNext = NULL;\r
	32	\r
	33	EFI_HANDLE mBdsImageHandle;\r
	34	\r
b30312ba	35	/**\r
93e3992d	36	\r
	37	Install Boot Device Selection Protocol\r
	38	\r
93e3992d	39	\r
b30312ba	40	@param ImageHandle The image handle.\r
b30312ba	41	@param SystemTable The system table.\r
93e3992d	42	\r
b30312ba	43	@retval EFI_SUCEESS BDS has finished initializing.\r
	44	Rerun the\r
	45	dispatcher and recall BDS.Entry\r
	46	@retval Other Return value from AllocatePool()\r
	47	or gBS->InstallProtocolInterface\r
93e3992d	48	\r
b30312ba	49	**/\r
	50	EFI_STATUS\r
	51	EFIAPI\r
	52	BdsInitialize (\r
	53	IN EFI_HANDLE ImageHandle,\r
	54	IN EFI_SYSTEM_TABLE *SystemTable\r
	55	)\r
93e3992d	56	{\r
	57	EFI_STATUS Status;\r
	58	\r
	59	mBdsImageHandle = ImageHandle;\r
	60	\r
	61	//\r
	62	// Install protocol interface\r
	63	//\r
	64	Status = gBS->InstallProtocolInterface (\r
	65	&gBdsInstanceTemplate.Handle,\r
	66	&gEfiBdsArchProtocolGuid,\r
	67	EFI_NATIVE_INTERFACE,\r
	68	&gBdsInstanceTemplate.Bds\r
	69	);\r
	70	ASSERT_EFI_ERROR (Status);\r
	71	\r
	72	return Status;\r
	73	}\r
	74	\r
b30312ba	75	/**\r
93e3992d	76	\r
b4489769	77	This function attempts to boot for the boot order specified\r
b4489769	78	by platform policy.\r
93e3992d	79	\r
b30312ba	80	**/\r
	81	VOID\r
	82	BdsBootDeviceSelect (\r
	83	VOID\r
	84	)\r
93e3992d	85	{\r
	86	EFI_STATUS Status;\r
	87	LIST_ENTRY *Link;\r
	88	BDS_COMMON_OPTION *BootOption;\r
	89	UINTN ExitDataSize;\r
	90	CHAR16 *ExitData;\r
	91	UINT16 Timeout;\r
	92	LIST_ENTRY BootLists;\r
	93	CHAR16 Buffer[20];\r
	94	BOOLEAN BootNextExist;\r
	95	LIST_ENTRY *LinkBootNext;\r
	96	\r
	97	//\r
	98	// Got the latest boot option\r
	99	//\r
	100	BootNextExist = FALSE;\r
	101	LinkBootNext = NULL;\r
	102	InitializeListHead (&BootLists);\r
	103	\r
	104	//\r
	105	// First check the boot next option\r
	106	//\r
	107	ZeroMem (Buffer, sizeof (Buffer));\r
	108	\r
	109	if (mBootNext != NULL) {\r
	110	//\r
	111	// Indicate we have the boot next variable, so this time\r
	112	// boot will always have this boot option\r
	113	//\r
	114	BootNextExist = TRUE;\r
	115	\r
	116	//\r
	117	// Clear the this variable so it's only exist in this time boot\r
	118	//\r
	119	gRT->SetVariable (\r
	120	L"BootNext",\r
	121	&gEfiGlobalVariableGuid,\r
	122	EFI_VARIABLE_BOOTSERVICE_ACCESS \| EFI_VARIABLE_RUNTIME_ACCESS \| EFI_VARIABLE_NON_VOLATILE,\r
	123	0,\r
	124	mBootNext\r
	125	);\r
	126	\r
	127	//\r
	128	// Add the boot next boot option\r
	129	//\r
	130	UnicodeSPrint (Buffer, sizeof (Buffer), L"Boot%04x", *mBootNext);\r
	131	BootOption = BdsLibVariableToOption (&BootLists, Buffer);\r
	132	BootOption->BootCurrent = *mBootNext;\r
	133	}\r
	134	//\r
	135	// Parse the boot order to get boot option\r
	136	//\r
	137	BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
	138	Link = BootLists.ForwardLink;\r
	139	\r
	140	//\r
	141	// Parameter check, make sure the loop will be valid\r
	142	//\r
	143	if (Link == NULL) {\r
	144	return ;\r
	145	}\r
	146	//\r
	147	// Here we make the boot in a loop, every boot success will\r
	148	// return to the front page\r
149	//\r
150	for (;;) {\r
151	//\r
152	// Check the boot option list first\r
153	//\r
154	if (Link == &BootLists) {\r
155	//\r
156	// There are two ways to enter here:\r
157	// 1. There is no active boot option, give user chance to\r
158	// add new boot option\r
159	// 2. All the active boot option processed, and there is no\r
160	// one is success to boot, then we back here to allow user\r
161	// add new active boot option\r
162	//\r
163	Timeout = 0xffff;\r
164	PlatformBdsEnterFrontPage (Timeout, FALSE);\r
165	InitializeListHead (&BootLists);\r
166	BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
167	Link = BootLists.ForwardLink;\r
168	continue;\r
169	}\r
170	//\r
171	// Get the boot option from the link list\r
172	//\r
173	BootOption = CR (Link, BDS_COMMON_OPTION, Link, BDS_LOAD_OPTION_SIGNATURE);\r
174	\r
175	//\r
176	// According to EFI Specification, if a load option is not marked\r
177	// as LOAD_OPTION_ACTIVE, the boot manager will not automatically\r
178	// load the option.\r
179	//\r
180	if (!IS_LOAD_OPTION_TYPE (BootOption->Attribute, LOAD_OPTION_ACTIVE)) {\r
181	//\r
182	// skip the header of the link list, becuase it has no boot option\r
183	//\r
184	Link = Link->ForwardLink;\r
185	continue;\r
186	}\r
187	//\r
188	// Make sure the boot option device path connected,\r
189	// but ignore the BBS device path\r
190	//\r
191	if (DevicePathType (BootOption->DevicePath) != BBS_DEVICE_PATH) {\r
192	//\r
193	// Notes: the internal shell can not been connected with device path\r
194	// so we do not check the status here\r
195	//\r
196	BdsLibConnectDevicePath (BootOption->DevicePath);\r
197	}\r
198	//\r
199	// All the driver options should have been processed since\r
200	// now boot will be performed.\r
201	//\r
202	Status = BdsLibBootViaBootOption (BootOption, BootOption->DevicePath, &ExitDataSize, &ExitData);\r
203	if (EFI_ERROR (Status)) {\r
204	//\r
205	// Call platform action to indicate the boot fail\r
206	//\r
207	BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_FAILED));\r
208	PlatformBdsBootFail (BootOption, Status, ExitData, ExitDataSize);\r
209	\r
210	//\r
211	// Check the next boot option\r
212	//\r
213	Link = Link->ForwardLink;\r
214	\r
215	} else {\r
216	//\r
217	// Call platform action to indicate the boot success\r
218	//\r
219	BootOption->StatusString = GetStringById (STRING_TOKEN (STR_BOOT_SUCCEEDED)); \r
220	PlatformBdsBootSuccess (BootOption);\r
221	\r
222	//\r
223	// Boot success, then stop process the boot order, and\r
224	// present the boot manager menu, front page\r
225	//\r
226	Timeout = 0xffff;\r
227	PlatformBdsEnterFrontPage (Timeout, FALSE);\r
228	\r
229	//\r
230	// Rescan the boot option list, avoid pertential risk of the boot\r
231	// option change in front page\r
232	//\r
233	if (BootNextExist) {\r
234	LinkBootNext = BootLists.ForwardLink;\r
235	}\r
236	\r
237	InitializeListHead (&BootLists);\r
238	if (LinkBootNext != NULL) {\r
239	//\r
240	// Reserve the boot next option\r
241	//\r
242	InsertTailList (&BootLists, LinkBootNext);\r
243	}\r
244	\r
245	BdsLibBuildOptionFromVar (&BootLists, L"BootOrder");\r
246	Link = BootLists.ForwardLink;\r
247	}\r
248	}\r
249	\r
250	}\r
251	\r
b30312ba	252	/**\r
93e3992d	253	\r
	254	Service routine for BdsInstance->Entry(). Devices are connected, the\r
	255	consoles are initialized, and the boot options are tried.\r
	256	\r
93e3992d	257	\r
b30312ba	258	@param This - Protocol Instance structure.\r
93e3992d	259	\r
b30312ba	260	@retval EFI_SUCEESS BDS->Entry has finished executing.\r
93e3992d	261	\r
b30312ba	262	**/\r
	263	VOID\r
	264	EFIAPI\r
	265	BdsEntry (\r
	266	IN EFI_BDS_ARCH_PROTOCOL *This\r
	267	)\r
93e3992d	268	{\r
	269	EFI_BDS_ARCH_PROTOCOL_INSTANCE *PrivateData;\r
	270	LIST_ENTRY DriverOptionList;\r
	271	LIST_ENTRY BootOptionList;\r
	272	UINTN BootNextSize;\r
	273	\r
	274	//\r
	275	// Insert the performance probe\r
	276	//\r
	277	PERF_END (0, DXE_TOK, NULL, 0);\r
	278	PERF_START (0, BDS_TOK, NULL, 0);\r
	279	\r
	280	//\r
	281	// Initialize the global system boot option and driver option\r
	282	//\r
	283	InitializeListHead (&DriverOptionList);\r
	284	InitializeListHead (&BootOptionList);\r
	285	\r
	286	//\r
	287	// Initialize hotkey service\r
	288	//\r
	289	InitializeHotkeyService ();\r
	290	\r
	291	//\r
	292	// Get the BDS private data\r
	293	//\r
	294	PrivateData = EFI_BDS_ARCH_PROTOCOL_INSTANCE_FROM_THIS (This);\r
	295	\r
	296	//\r
	297	// Do the platform init, can be customized by OEM/IBV\r
	298	//\r
	299	PERF_START (0, "PlatformBds", "BDS", 0);\r
	300	PlatformBdsInit (PrivateData);\r
	301	\r
	302	if (FeaturePcdGet (PcdSupportHardwareErrorRecord)) {\r
	303	InitializeHwErrRecSupport (PcdGet16 (PcdHardwareErrorRecordLevel));\r
	304	}\r
	305	//\r
	306	// bugbug: platform specific code\r
	307	// Initialize the platform specific string and language\r
	308	//\r
	309	InitializeStringSupport ();\r
	310	InitializeLanguage (TRUE);\r
b30312ba	311	InitializeFrontPage (TRUE);\r
93e3992d	312	\r
	313	//\r
	314	// Set up the device list based on EFI 1.1 variables\r
	315	// process Driver#### and Load the driver's in the\r
	316	// driver option list\r
	317	//\r
	318	BdsLibBuildOptionFromVar (&DriverOptionList, L"DriverOrder");\r
	319	if (!IsListEmpty (&DriverOptionList)) {\r
	320	BdsLibLoadDrivers (&DriverOptionList);\r
	321	}\r
	322	//\r
	323	// Check if we have the boot next option\r
	324	//\r
	325	mBootNext = BdsLibGetVariableAndSize (\r
	326	L"BootNext",\r
	327	&gEfiGlobalVariableGuid,\r
	328	&BootNextSize\r
	329	);\r
	330	\r
	331	//\r
	332	// Setup some platform policy here\r
	333	//\r
	334	PlatformBdsPolicyBehavior (PrivateData, &DriverOptionList, &BootOptionList);\r
	335	PERF_END (0, "PlatformBds", "BDS", 0);\r
	336	\r
	337	//\r
	338	// BDS select the boot device to load OS\r
	339	//\r
	340	BdsBootDeviceSelect ();\r
	341	\r
	342	//\r
	343	// Only assert here since this is the right behavior, we should never\r
	344	// return back to DxeCore.\r
	345	//\r
	346	ASSERT (FALSE);\r
	347	\r
	348	return ;\r
	349	}\r