and manage the legacy boot option, all legacy boot option is getting from\r
the legacy BBS table.\r
\r
-Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>\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
#include "BBSsupport.h"\r
\r
-/**\r
-\r
- Translate the first n characters of an Ascii string to\r
- Unicode characters. The count n is indicated by parameter\r
- Size. If Size is greater than the length of string, then\r
- the entire string is translated.\r
-\r
-\r
- @param AStr Pointer to input Ascii string.\r
- @param Size The number of characters to translate.\r
- @param UStr Pointer to output Unicode string buffer.\r
-\r
-**/\r
-VOID\r
-AsciiToUnicodeSize (\r
- IN UINT8 *AStr,\r
- IN UINTN Size,\r
- OUT UINT16 *UStr\r
- )\r
-{\r
- UINTN Idx;\r
-\r
- Idx = 0;\r
- while (AStr[Idx] != 0) {\r
- UStr[Idx] = (CHAR16) AStr[Idx];\r
- if (Idx == Size) {\r
- break;\r
- }\r
-\r
- Idx++;\r
- }\r
- UStr[Idx] = 0;\r
-}\r
+#pragma pack(1)\r
+typedef struct {\r
+ BBS_TABLE BbsEntry;\r
+ UINT16 BbsIndex;\r
+} LEGACY_BOOT_OPTION_BBS_DATA;\r
+#pragma pack()\r
\r
/**\r
- Build Legacy Device Name String according.\r
-\r
- @param CurBBSEntry BBS Table.\r
- @param Index Index.\r
- @param BufSize The buffer size.\r
- @param BootString The output string.\r
-\r
+ Re-order the Boot Option according to the DevOrder.\r
+\r
+ The routine re-orders the Boot Option in BootOption array according to\r
+ the order specified by DevOrder.\r
+\r
+ @param DevOrder Pointer to buffer containing the BBS Index,\r
+ high 8-bit value 0xFF indicating a disabled boot option\r
+ @param DevOrderCount Count of the BBS Index\r
+ @param EnBootOption Callee allocated buffer containing the enabled Boot Option Numbers\r
+ @param EnBootOptionCount Count of the enabled Boot Option Numbers\r
+ @param DisBootOption Callee allocated buffer containing the disabled Boot Option Numbers\r
+ @param DisBootOptionCount Count of the disabled Boot Option Numbers\r
**/\r
VOID\r
-BdsBuildLegacyDevNameString (\r
- IN BBS_TABLE *CurBBSEntry,\r
- IN UINTN Index,\r
- IN UINTN BufSize,\r
- OUT CHAR16 *BootString\r
- )\r
-{\r
- CHAR16 *Fmt;\r
- CHAR16 *Type;\r
- UINT8 *StringDesc;\r
- CHAR16 Temp[80];\r
-\r
- switch (Index) {\r
- //\r
- // Primary Master\r
- //\r
- case 1:\r
- Fmt = L"Primary Master %s";\r
- break;\r
-\r
- //\r
- // Primary Slave\r
- //\r
- case 2:\r
- Fmt = L"Primary Slave %s";\r
- break;\r
-\r
- //\r
- // Secondary Master\r
- //\r
- case 3:\r
- Fmt = L"Secondary Master %s";\r
- break;\r
-\r
- //\r
- // Secondary Slave\r
- //\r
- case 4:\r
- Fmt = L"Secondary Slave %s";\r
- break;\r
-\r
- default:\r
- Fmt = L"%s";\r
- break;\r
- }\r
-\r
- switch (CurBBSEntry->DeviceType) {\r
- case BBS_FLOPPY:\r
- Type = L"Floppy";\r
- break;\r
-\r
- case BBS_HARDDISK:\r
- Type = L"Harddisk";\r
- break;\r
-\r
- case BBS_CDROM:\r
- Type = L"CDROM";\r
- break;\r
-\r
- case BBS_PCMCIA:\r
- Type = L"PCMCIAe";\r
- break;\r
-\r
- case BBS_USB:\r
- Type = L"USB";\r
- break;\r
-\r
- case BBS_EMBED_NETWORK:\r
- Type = L"Network";\r
- break;\r
-\r
- case BBS_BEV_DEVICE:\r
- Type = L"BEVe";\r
- break;\r
-\r
- case BBS_UNKNOWN:\r
- default:\r
- Type = L"Unknown";\r
- break;\r
- }\r
- //\r
- // If current BBS entry has its description then use it.\r
- //\r
- StringDesc = (UINT8 *) (UINTN) ((CurBBSEntry->DescStringSegment << 4) + CurBBSEntry->DescStringOffset);\r
- if (NULL != StringDesc) {\r
- //\r
- // Only get fisrt 32 characters, this is suggested by BBS spec\r
- //\r
- AsciiToUnicodeSize (StringDesc, 32, Temp);\r
- Fmt = L"%s";\r
- Type = Temp;\r
- }\r
-\r
- //\r
- // BbsTable 16 entries are for onboard IDE.\r
- // Set description string for SATA harddisks, Harddisk 0 ~ Harddisk 11\r
- //\r
- if (Index >= 5 && Index <= 16 && CurBBSEntry->DeviceType == BBS_HARDDISK) {\r
- Fmt = L"%s %d";\r
- UnicodeSPrint (BootString, BufSize, Fmt, Type, Index - 5);\r
- } else {\r
- UnicodeSPrint (BootString, BufSize, Fmt, Type);\r
- }\r
-}\r
-\r
-/**\r
-\r
- Create a legacy boot option for the specified entry of\r
- BBS table, save it as variable, and append it to the boot\r
- order list.\r
-\r
-\r
- @param CurrentBbsEntry Pointer to current BBS table.\r
- @param CurrentBbsDevPath Pointer to the Device Path Protocol instance of BBS\r
- @param Index Index of the specified entry in BBS table.\r
- @param BootOrderList On input, the original boot order list.\r
- On output, the new boot order list attached with the\r
- created node.\r
- @param BootOrderListSize On input, the original size of boot order list.\r
- On output, the size of new boot order list.\r
-\r
- @retval EFI_SUCCESS Boot Option successfully created.\r
- @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r
- @retval Other Error occurs while setting variable.\r
-\r
-**/\r
-EFI_STATUS\r
-BdsCreateLegacyBootOption (\r
- IN BBS_TABLE *CurrentBbsEntry,\r
- IN EFI_DEVICE_PATH_PROTOCOL *CurrentBbsDevPath,\r
- IN UINTN Index,\r
- IN OUT UINT16 **BootOrderList,\r
- IN OUT UINTN *BootOrderListSize\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINT16 CurrentBootOptionNo;\r
- UINT16 BootString[10];\r
- UINT16 BootDesc[100];\r
- CHAR8 HelpString[100];\r
- UINT16 *NewBootOrderList;\r
- UINTN BufferSize;\r
- UINTN StringLen;\r
- VOID *Buffer;\r
- UINT8 *Ptr;\r
- UINT16 CurrentBbsDevPathSize;\r
- UINTN BootOrderIndex;\r
- UINTN BootOrderLastIndex;\r
- UINTN ArrayIndex;\r
- BOOLEAN IndexNotFound;\r
- BBS_BBS_DEVICE_PATH *NewBbsDevPathNode;\r
-\r
- if ((*BootOrderList) == NULL) {\r
- CurrentBootOptionNo = 0;\r
- } else {\r
- for (ArrayIndex = 0; ArrayIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); ArrayIndex++) {\r
- IndexNotFound = TRUE;\r
- for (BootOrderIndex = 0; BootOrderIndex < (UINTN) (*BootOrderListSize / sizeof (UINT16)); BootOrderIndex++) {\r
- if ((*BootOrderList)[BootOrderIndex] == ArrayIndex) {\r
- IndexNotFound = FALSE;\r
- break;\r
- }\r
- }\r
-\r
- if (!IndexNotFound) {\r
- continue;\r
- } else {\r
- break;\r
- }\r
- }\r
-\r
- CurrentBootOptionNo = (UINT16) ArrayIndex;\r
- }\r
-\r
- UnicodeSPrint (\r
- BootString,\r
- sizeof (BootString),\r
- L"Boot%04x",\r
- CurrentBootOptionNo\r
- );\r
-\r
- BdsBuildLegacyDevNameString (CurrentBbsEntry, Index, sizeof (BootDesc), BootDesc);\r
-\r
- //\r
- // Create new BBS device path node with description string\r
- //\r
- UnicodeStrToAsciiStr ((CONST CHAR16*)&BootDesc, (CHAR8*)&HelpString);\r
-\r
- StringLen = AsciiStrLen (HelpString);\r
- NewBbsDevPathNode = AllocateZeroPool (sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r
- if (NewBbsDevPathNode == NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- CopyMem (NewBbsDevPathNode, CurrentBbsDevPath, sizeof (BBS_BBS_DEVICE_PATH));\r
- CopyMem (NewBbsDevPathNode->String, HelpString, StringLen + 1);\r
- SetDevicePathNodeLength (&(NewBbsDevPathNode->Header), sizeof (BBS_BBS_DEVICE_PATH) + StringLen);\r
-\r
- //\r
- // Create entire new CurrentBbsDevPath with end node\r
- //\r
- CurrentBbsDevPath = AppendDevicePathNode (\r
- EndDevicePath,\r
- (EFI_DEVICE_PATH_PROTOCOL *) NewBbsDevPathNode\r
- );\r
- if (CurrentBbsDevPath == NULL) {\r
- FreePool (NewBbsDevPathNode);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- CurrentBbsDevPathSize = (UINT16) (GetDevicePathSize (CurrentBbsDevPath));\r
-\r
- BufferSize = sizeof (UINT32) +\r
- sizeof (UINT16) +\r
- StrSize (BootDesc) +\r
- CurrentBbsDevPathSize +\r
- sizeof (BBS_TABLE) +\r
- sizeof (UINT16);\r
-\r
- Buffer = AllocateZeroPool (BufferSize);\r
- if (Buffer == NULL) {\r
- FreePool (NewBbsDevPathNode);\r
- FreePool (CurrentBbsDevPath);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Ptr = (UINT8 *) Buffer;\r
-\r
- *((UINT32 *) Ptr) = LOAD_OPTION_ACTIVE;\r
- Ptr += sizeof (UINT32);\r
-\r
- *((UINT16 *) Ptr) = CurrentBbsDevPathSize;\r
- Ptr += sizeof (UINT16);\r
-\r
- CopyMem (\r
- Ptr,\r
- BootDesc,\r
- StrSize (BootDesc)\r
- );\r
- Ptr += StrSize (BootDesc);\r
-\r
- CopyMem (\r
- Ptr,\r
- CurrentBbsDevPath,\r
- CurrentBbsDevPathSize\r
- );\r
- Ptr += CurrentBbsDevPathSize;\r
-\r
- CopyMem (\r
- Ptr,\r
- CurrentBbsEntry,\r
- sizeof (BBS_TABLE)\r
- );\r
-\r
- Ptr += sizeof (BBS_TABLE);\r
- *((UINT16 *) Ptr) = (UINT16) Index;\r
-\r
- Status = gRT->SetVariable (\r
- BootString,\r
- &gEfiGlobalVariableGuid,\r
- VAR_FLAG,\r
- BufferSize,\r
- Buffer\r
- );\r
-\r
- FreePool (Buffer);\r
- \r
- Buffer = NULL;\r
-\r
- NewBootOrderList = AllocateZeroPool (*BootOrderListSize + sizeof (UINT16));\r
- if (NULL == NewBootOrderList) {\r
- FreePool (NewBbsDevPathNode);\r
- FreePool (CurrentBbsDevPath);\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- if (*BootOrderList != NULL) {\r
- CopyMem (NewBootOrderList, *BootOrderList, *BootOrderListSize);\r
- FreePool (*BootOrderList);\r
- }\r
-\r
- BootOrderLastIndex = (UINTN) (*BootOrderListSize / sizeof (UINT16));\r
- NewBootOrderList[BootOrderLastIndex] = CurrentBootOptionNo;\r
- *BootOrderListSize += sizeof (UINT16);\r
- *BootOrderList = NewBootOrderList;\r
-\r
- FreePool (NewBbsDevPathNode);\r
- FreePool (CurrentBbsDevPath);\r
- return Status;\r
-}\r
-\r
-/**\r
- Check if the boot option is a legacy one.\r
-\r
- @param BootOptionVar The boot option data payload.\r
- @param BbsEntry The BBS Table.\r
- @param BbsIndex The table index.\r
-\r
- @retval TRUE It is a legacy boot option.\r
- @retval FALSE It is not a legacy boot option.\r
-\r
-**/\r
-BOOLEAN\r
-BdsIsLegacyBootOption (\r
- IN UINT8 *BootOptionVar,\r
- OUT BBS_TABLE **BbsEntry,\r
- OUT UINT16 *BbsIndex\r
- )\r
-{\r
- UINT8 *Ptr;\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
- BOOLEAN Ret;\r
- UINT16 DevPathLen;\r
-\r
- Ptr = BootOptionVar;\r
- Ptr += sizeof (UINT32);\r
- DevPathLen = *(UINT16 *) Ptr;\r
- Ptr += sizeof (UINT16);\r
- Ptr += StrSize ((UINT16 *) Ptr);\r
- DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r
- if ((BBS_DEVICE_PATH == DevicePath->Type) && (BBS_BBS_DP == DevicePath->SubType)) {\r
- Ptr += DevPathLen;\r
- *BbsEntry = (BBS_TABLE *) Ptr;\r
- Ptr += sizeof (BBS_TABLE);\r
- *BbsIndex = *(UINT16 *) Ptr;\r
- Ret = TRUE;\r
- } else {\r
- *BbsEntry = NULL;\r
- Ret = FALSE;\r
- }\r
-\r
- return Ret;\r
-}\r
-\r
-/**\r
- Delete all the invalid legacy boot options.\r
-\r
- @retval EFI_SUCCESS All invalide legacy boot options are deleted.\r
- @retval EFI_OUT_OF_RESOURCES Fail to allocate necessary memory.\r
- @retval EFI_NOT_FOUND Fail to retrive variable of boot order.\r
-**/\r
-EFI_STATUS\r
-BdsDeleteAllInvalidLegacyBootOptions (\r
- VOID\r
+OrderLegacyBootOption4SameType (\r
+ UINT16 *DevOrder,\r
+ UINTN DevOrderCount,\r
+ UINT16 **EnBootOption,\r
+ UINTN *EnBootOptionCount,\r
+ UINT16 **DisBootOption,\r
+ UINTN *DisBootOptionCount\r
)\r
{\r
- UINT16 *BootOrder;\r
- UINT8 *BootOptionVar;\r
- UINTN BootOrderSize;\r
- UINTN BootOptionSize;\r
- EFI_STATUS Status;\r
- UINT16 HddCount;\r
- UINT16 BbsCount;\r
- HDD_INFO *LocalHddInfo;\r
- BBS_TABLE *LocalBbsTable;\r
- BBS_TABLE *BbsEntry;\r
- UINT16 BbsIndex;\r
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r
- UINTN Index;\r
- UINT16 BootOption[10];\r
- UINT16 BootDesc[100];\r
- BOOLEAN DescStringMatch;\r
-\r
- Status = EFI_SUCCESS;\r
- BootOrder = NULL;\r
- BootOrderSize = 0;\r
- HddCount = 0;\r
- BbsCount = 0;\r
- LocalHddInfo = NULL;\r
- LocalBbsTable = NULL;\r
- BbsEntry = NULL;\r
+ EFI_STATUS Status;\r
+ UINT16 *NewBootOption;\r
+ UINT16 *BootOrder;\r
+ UINTN BootOrderSize;\r
+ UINTN Index;\r
+ UINTN StartPosition;\r
\r
- Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
+ BDS_COMMON_OPTION *BootOption;\r
\r
- LegacyBios->GetBbsInfo (\r
- LegacyBios,\r
- &HddCount,\r
- &LocalHddInfo,\r
- &BbsCount,\r
- &LocalBbsTable\r
- );\r
+ CHAR16 OptionName[sizeof ("Boot####")];\r
+ UINT16 *BbsIndexArray;\r
+ UINT16 *DeviceTypeArray;\r
+ LIST_ENTRY List;\r
\r
BootOrder = BdsLibGetVariableAndSize (\r
L"BootOrder",\r
&gEfiGlobalVariableGuid,\r
&BootOrderSize\r
);\r
- if (NULL == BootOrder) {\r
- return EFI_NOT_FOUND;\r
- }\r
+ ASSERT (BootOrder != NULL);\r
+\r
+ BbsIndexArray = AllocatePool (BootOrderSize);\r
+ DeviceTypeArray = AllocatePool (BootOrderSize);\r
+ *EnBootOption = AllocatePool (BootOrderSize);\r
+ *DisBootOption = AllocatePool (BootOrderSize);\r
+ *DisBootOptionCount = 0;\r
+ *EnBootOptionCount = 0;\r
+ Index = 0;\r
+\r
+ ASSERT (BbsIndexArray != NULL);\r
+ ASSERT (DeviceTypeArray != NULL);\r
+ ASSERT (*EnBootOption != NULL);\r
+ ASSERT (*DisBootOption != NULL);\r
+\r
+ for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
+\r
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", BootOrder[Index]);\r
+ InitializeListHead (&List);\r
+ BootOption = BdsLibVariableToOption (&List, OptionName);\r
+ ASSERT (BootOption != NULL);\r
+\r
+ if ((DevicePathType (BootOption->DevicePath) == BBS_DEVICE_PATH) &&\r
+ (DevicePathSubType (BootOption->DevicePath) == BBS_BBS_DP)) {\r
+ //\r
+ // Legacy Boot Option\r
+ //\r
+ ASSERT (BootOption->LoadOptionsSize == sizeof (LEGACY_BOOT_OPTION_BBS_DATA));\r
\r
- Index = 0;\r
- while (Index < BootOrderSize / sizeof (UINT16)) {\r
- UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r
- BootOptionVar = BdsLibGetVariableAndSize (\r
- BootOption,\r
- &gEfiGlobalVariableGuid,\r
- &BootOptionSize\r
- );\r
- if (NULL == BootOptionVar) {\r
- if (BootOrder != NULL) {\r
- FreePool (BootOrder);\r
- }\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
- \r
- //\r
- // Skip Non-Legacy boot options\r
- // \r
- if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, &BbsIndex)) {\r
- if (BootOptionVar!= NULL) {\r
- FreePool (BootOptionVar);\r
+ DeviceTypeArray[Index] = ((BBS_BBS_DEVICE_PATH *) BootOption->DevicePath)->DeviceType;\r
+ BbsIndexArray [Index] = ((LEGACY_BOOT_OPTION_BBS_DATA *) BootOption->LoadOptions)->BbsIndex;\r
+ } else {\r
+ DeviceTypeArray[Index] = BBS_TYPE_UNKNOWN;\r
+ BbsIndexArray [Index] = 0xFFFF;\r
+ }\r
+ FreePool (BootOption->DevicePath);\r
+ FreePool (BootOption->Description);\r
+ FreePool (BootOption->LoadOptions);\r
+ FreePool (BootOption);\r
+ }\r
+\r
+ //\r
+ // Record the corresponding Boot Option Numbers according to the DevOrder\r
+ // Record the EnBootOption and DisBootOption according to the DevOrder\r
+ //\r
+ StartPosition = BootOrderSize / sizeof (UINT16);\r
+ NewBootOption = AllocatePool (DevOrderCount * sizeof (UINT16));\r
+ ASSERT (NewBootOption != NULL);\r
+ while (DevOrderCount-- != 0) {\r
+ for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
+ if (BbsIndexArray[Index] == (DevOrder[DevOrderCount] & 0xFF)) {\r
+ StartPosition = MIN (StartPosition, Index);\r
+ NewBootOption[DevOrderCount] = BootOrder[Index];\r
+\r
+ if ((DevOrder[DevOrderCount] & 0xFF00) == 0xFF00) {\r
+ (*DisBootOption)[*DisBootOptionCount] = BootOrder[Index];\r
+ (*DisBootOptionCount)++;\r
+ } else {\r
+ (*EnBootOption)[*EnBootOptionCount] = BootOrder[Index];\r
+ (*EnBootOptionCount)++;\r
+ }\r
+ break;\r
}\r
- Index++;\r
- continue;\r
- }\r
-\r
- //\r
- // Check if BBS Description String is changed\r
- //\r
- DescStringMatch = FALSE;\r
-\r
- BdsBuildLegacyDevNameString (\r
- &LocalBbsTable[BbsIndex],\r
- BbsIndex,\r
- sizeof(BootDesc),\r
- BootDesc\r
- );\r
-\r
- if (StrCmp (BootDesc, (UINT16*)(BootOptionVar + sizeof (UINT32) + sizeof (UINT16))) == 0) {\r
- DescStringMatch = TRUE;\r
- }\r
-\r
- if (!((LocalBbsTable[BbsIndex].BootPriority == BBS_IGNORE_ENTRY) ||\r
- (LocalBbsTable[BbsIndex].BootPriority == BBS_DO_NOT_BOOT_FROM)) &&\r
- (LocalBbsTable[BbsIndex].DeviceType == BbsEntry->DeviceType) &&\r
- DescStringMatch) {\r
- Index++;\r
- continue;\r
}\r
-\r
- if (BootOptionVar != NULL) {\r
- FreePool (BootOptionVar);\r
- }\r
- //\r
- // should delete\r
- //\r
- BdsDeleteBootOption (\r
- BootOrder[Index],\r
- BootOrder,\r
- &BootOrderSize\r
- );\r
}\r
\r
//\r
- // Adjust the number of boot options.\r
+ // Overwrite the old BootOption\r
//\r
- if (BootOrderSize != 0) {\r
- Status = gRT->SetVariable (\r
- L"BootOrder",\r
- &gEfiGlobalVariableGuid,\r
- VAR_FLAG,\r
- BootOrderSize,\r
- BootOrder\r
- );\r
- } else {\r
- EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r
- }\r
-\r
- if (BootOrder != NULL) {\r
- FreePool (BootOrder);\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Find all legacy boot option by device type.\r
-\r
- @param BootOrder The boot order array.\r
- @param BootOptionNum The number of boot option.\r
- @param DevType Device type.\r
- @param Attribute The boot option attribute.\r
- @param BbsIndex The BBS table index.\r
- @param OptionNumber The boot option index.\r
-\r
- @retval TRUE The Legacy boot option is found.\r
- @retval FALSE The legacy boot option is not found.\r
-\r
-**/\r
-BOOLEAN\r
-BdsFindLegacyBootOptionByDevType (\r
- IN UINT16 *BootOrder,\r
- IN UINTN BootOptionNum,\r
- IN UINT16 DevType,\r
- OUT UINT32 *Attribute,\r
- OUT UINT16 *BbsIndex,\r
- OUT UINTN *OptionNumber\r
- )\r
-{\r
- UINTN Index;\r
- UINTN BootOrderIndex;\r
- UINT16 BootOption[100];\r
- UINTN BootOptionSize;\r
- UINT8 *BootOptionVar;\r
- BBS_TABLE *BbsEntry;\r
- BOOLEAN Found;\r
-\r
- BbsEntry = NULL;\r
- Found = FALSE;\r
-\r
- if (NULL == BootOrder) {\r
- return Found;\r
- }\r
-\r
- //\r
- // Loop all boot option from variable\r
- //\r
- for (BootOrderIndex = 0; BootOrderIndex < BootOptionNum; BootOrderIndex++) {\r
- Index = (UINTN) BootOrder[BootOrderIndex];\r
- UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", Index);\r
- BootOptionVar = BdsLibGetVariableAndSize (\r
- BootOption,\r
- &gEfiGlobalVariableGuid,\r
- &BootOptionSize\r
- );\r
- if (NULL == BootOptionVar) {\r
- continue;\r
- }\r
-\r
- //\r
- // Skip Non-legacy boot option\r
- //\r
- if (!BdsIsLegacyBootOption (BootOptionVar, &BbsEntry, BbsIndex)) {\r
- FreePool (BootOptionVar);\r
- continue;\r
- }\r
-\r
- if (BbsEntry->DeviceType != DevType) {\r
- FreePool (BootOptionVar);\r
- continue;\r
- }\r
-\r
- *Attribute = *(UINT32 *) BootOptionVar;\r
- *OptionNumber = Index;\r
- Found = TRUE;\r
- FreePool (BootOptionVar);\r
- break;\r
- }\r
-\r
- return Found;\r
-}\r
-\r
-/**\r
- Create a legacy boot option.\r
-\r
- @param BbsItem The BBS Table entry.\r
- @param Index Index of the specified entry in BBS table.\r
- @param BootOrderList The boot order list.\r
- @param BootOrderListSize The size of boot order list.\r
-\r
- @retval EFI_OUT_OF_RESOURCE No enough memory.\r
- @retval EFI_SUCCESS The function complete successfully.\r
- @return Other value if the legacy boot option is not created.\r
-\r
-**/\r
-EFI_STATUS\r
-BdsCreateOneLegacyBootOption (\r
- IN BBS_TABLE *BbsItem,\r
- IN UINTN Index,\r
- IN OUT UINT16 **BootOrderList,\r
- IN OUT UINTN *BootOrderListSize\r
- )\r
-{\r
- BBS_BBS_DEVICE_PATH BbsDevPathNode;\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH_PROTOCOL *DevPath;\r
-\r
- DevPath = NULL;\r
-\r
+ CopyMem (&BootOrder[StartPosition], NewBootOption, (*DisBootOptionCount + *EnBootOptionCount) * sizeof (UINT16));\r
+ Status = gRT->SetVariable (\r
+ L"BootOrder",\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ BootOrderSize,\r
+ BootOrder\r
+ );\r
//\r
- // Create device path node.\r
+ // Changing content without increasing its size with current variable implementation shouldn't fail.\r
//\r
- BbsDevPathNode.Header.Type = BBS_DEVICE_PATH;\r
- BbsDevPathNode.Header.SubType = BBS_BBS_DP;\r
- SetDevicePathNodeLength (&BbsDevPathNode.Header, sizeof (BBS_BBS_DEVICE_PATH));\r
- BbsDevPathNode.DeviceType = BbsItem->DeviceType;\r
- CopyMem (&BbsDevPathNode.StatusFlag, &BbsItem->StatusFlags, sizeof (UINT16));\r
-\r
- DevPath = AppendDevicePathNode (\r
- EndDevicePath,\r
- (EFI_DEVICE_PATH_PROTOCOL *) &BbsDevPathNode\r
- );\r
- if (NULL == DevPath) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Status = BdsCreateLegacyBootOption (\r
- BbsItem,\r
- DevPath,\r
- Index,\r
- BootOrderList,\r
- BootOrderListSize\r
- );\r
- BbsItem->BootPriority = 0x00;\r
+ ASSERT_EFI_ERROR (Status);\r
\r
- FreePool (DevPath);\r
-\r
- return Status;\r
+ FreePool (NewBootOption);\r
+ FreePool (DeviceTypeArray);\r
+ FreePool (BbsIndexArray);\r
+ FreePool (BootOrder);\r
}\r
\r
/**\r
+ Group the legacy boot options in the BootOption.\r
\r
- Add the legacy boot options from BBS table if they do not exist.\r
+ The routine assumes the boot options in the beginning that covers all the device\r
+ types are ordered properly and re-position the following boot options just after\r
+ the corresponding boot options with the same device type.\r
+ For example:\r
+ 1. Input = [Harddisk1 CdRom2 Efi1 Harddisk0 CdRom0 CdRom1 Harddisk2 Efi0]\r
+ Assuming [Harddisk1 CdRom2 Efi1] is ordered properly\r
+ Output = [Harddisk1 Harddisk0 Harddisk2 CdRom2 CdRom0 CdRom1 Efi1 Efi0]\r
\r
- @retval EFI_SUCCESS The boot options are added successfully \r
- or they are already in boot options.\r
+ 2. Input = [Efi1 Efi0 CdRom1 Harddisk0 Harddisk1 Harddisk2 CdRom0 CdRom2]\r
+ Assuming [Efi1 Efi0 CdRom1 Harddisk0] is ordered properly\r
+ Output = [Efi1 Efi0 CdRom1 CdRom0 CdRom2 Harddisk0 Harddisk1 Harddisk2]\r
\r
**/\r
-EFI_STATUS\r
-BdsAddNonExistingLegacyBootOptions (\r
+VOID\r
+GroupMultipleLegacyBootOption4SameType (\r
VOID\r
)\r
{\r
- UINT16 *BootOrder;\r
- UINTN BootOrderSize;\r
- EFI_STATUS Status;\r
- UINT16 HddCount;\r
- UINT16 BbsCount;\r
- HDD_INFO *LocalHddInfo;\r
- BBS_TABLE *LocalBbsTable;\r
- UINT16 BbsIndex;\r
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r
- UINTN Index;\r
- UINT32 Attribute;\r
- UINTN OptionNumber;\r
- BOOLEAN Ret;\r
-\r
- BootOrder = NULL;\r
- HddCount = 0;\r
- BbsCount = 0;\r
- LocalHddInfo = NULL;\r
- LocalBbsTable = NULL;\r
-\r
- Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- LegacyBios->GetBbsInfo (\r
- LegacyBios,\r
- &HddCount,\r
- &LocalHddInfo,\r
- &BbsCount,\r
- &LocalBbsTable\r
- );\r
+ EFI_STATUS Status;\r
+ UINTN Index;\r
+ UINTN DeviceIndex;\r
+ UINTN DeviceTypeIndex[7];\r
+ UINTN *NextIndex;\r
+ UINT16 OptionNumber;\r
+ UINT16 *BootOrder;\r
+ UINTN BootOrderSize;\r
+ CHAR16 OptionName[sizeof ("Boot####")];\r
+ BDS_COMMON_OPTION *BootOption;\r
+ LIST_ENTRY List;\r
+\r
+ SetMem (DeviceTypeIndex, sizeof (DeviceTypeIndex), 0xff);\r
\r
BootOrder = BdsLibGetVariableAndSize (\r
L"BootOrder",\r
&gEfiGlobalVariableGuid,\r
&BootOrderSize\r
);\r
- if (NULL == BootOrder) {\r
- BootOrderSize = 0;\r
- }\r
-\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r
- (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r
- ) {\r
- continue;\r
- }\r
-\r
- Ret = BdsFindLegacyBootOptionByDevType (\r
- BootOrder,\r
- BootOrderSize / sizeof (UINT16),\r
- LocalBbsTable[Index].DeviceType,\r
- &Attribute,\r
- &BbsIndex,\r
- &OptionNumber\r
- );\r
- if (Ret) {\r
- continue;\r
- }\r
-\r
- //\r
- // Not found such type of legacy device in boot options or we found but it's disabled\r
- // so we have to create one and put it to the tail of boot order list\r
- //\r
- Status = BdsCreateOneLegacyBootOption (\r
- &LocalBbsTable[Index],\r
- Index,\r
- &BootOrder,\r
- &BootOrderSize\r
- );\r
- if (EFI_ERROR (Status)) {\r
- break;\r
- }\r
- }\r
-\r
- if (BootOrderSize > 0) {\r
- Status = gRT->SetVariable (\r
- L"BootOrder",\r
- &gEfiGlobalVariableGuid,\r
- VAR_FLAG,\r
- BootOrderSize,\r
- BootOrder\r
- );\r
- } else {\r
- EfiLibDeleteVariable (L"BootOrder", &gEfiGlobalVariableGuid);\r
- }\r
-\r
- if (BootOrder != NULL) {\r
- FreePool (BootOrder);\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Fill the device order buffer.\r
-\r
- @param BbsTable The BBS table.\r
- @param BbsType The BBS Type.\r
- @param BbsCount The BBS Count.\r
- @param Buf device order buffer.\r
-\r
- @return The device order buffer.\r
-\r
-**/\r
-UINT16 *\r
-BdsFillDevOrderBuf (\r
- IN BBS_TABLE *BbsTable,\r
- IN BBS_TYPE BbsType,\r
- IN UINTN BbsCount,\r
- OUT UINT16 *Buf\r
- )\r
-{\r
- UINTN Index;\r
-\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r
- continue;\r
- }\r
-\r
- if (BbsTable[Index].DeviceType != BbsType) {\r
- continue;\r
- }\r
-\r
- *Buf = (UINT16) (Index & 0xFF);\r
- Buf++;\r
- }\r
-\r
- return Buf;\r
-}\r
-\r
-/**\r
- Create the device order buffer.\r
-\r
- @param BbsTable The BBS table.\r
- @param BbsCount The BBS Count.\r
-\r
- @retval EFI_SUCCES The buffer is created and the EFI variable named \r
- VAR_LEGACY_DEV_ORDER and EfiLegacyDevOrderGuid is\r
- set correctly.\r
- @return Other value if the set of EFI variable fails. Check gRT->SetVariable\r
- for detailed information.\r
-\r
-**/\r
-EFI_STATUS\r
-BdsCreateDevOrder (\r
- IN BBS_TABLE *BbsTable,\r
- IN UINT16 BbsCount\r
- )\r
-{\r
- UINTN Index;\r
- UINTN FDCount;\r
- UINTN HDCount;\r
- UINTN CDCount;\r
- UINTN NETCount;\r
- UINTN BEVCount;\r
- UINTN TotalSize;\r
- UINTN HeaderSize;\r
- UINT8 *DevOrder;\r
- UINT8 *Ptr;\r
- EFI_STATUS Status;\r
\r
- FDCount = 0;\r
- HDCount = 0;\r
- CDCount = 0;\r
- NETCount = 0;\r
- BEVCount = 0;\r
- TotalSize = 0;\r
- HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r
- DevOrder = NULL;\r
- Ptr = NULL;\r
- Status = EFI_SUCCESS;\r
+ for (Index = 0; Index < BootOrderSize / sizeof (UINT16); Index++) {\r
+ UnicodeSPrint (OptionName, sizeof (OptionName), L"Boot%04x", BootOrder[Index]);\r
+ InitializeListHead (&List);\r
+ BootOption = BdsLibVariableToOption (&List, OptionName);\r
+ ASSERT (BootOption != NULL);\r
\r
- //\r
- // Count all boot devices\r
- //\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if (BbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) {\r
- continue;\r
- }\r
-\r
- switch (BbsTable[Index].DeviceType) {\r
- case BBS_FLOPPY:\r
- FDCount++;\r
- break;\r
-\r
- case BBS_HARDDISK:\r
- HDCount++;\r
- break;\r
-\r
- case BBS_CDROM:\r
- CDCount++;\r
- break;\r
-\r
- case BBS_EMBED_NETWORK:\r
- NETCount++;\r
- break;\r
-\r
- case BBS_BEV_DEVICE:\r
- BEVCount++;\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
-\r
- TotalSize += (HeaderSize + sizeof (UINT16) * FDCount);\r
- TotalSize += (HeaderSize + sizeof (UINT16) * HDCount);\r
- TotalSize += (HeaderSize + sizeof (UINT16) * CDCount);\r
- TotalSize += (HeaderSize + sizeof (UINT16) * NETCount);\r
- TotalSize += (HeaderSize + sizeof (UINT16) * BEVCount);\r
-\r
- //\r
- // Create buffer to hold all boot device order\r
- //\r
- DevOrder = AllocateZeroPool (TotalSize);\r
- if (NULL == DevOrder) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Ptr = DevOrder;\r
-\r
- *((BBS_TYPE *) Ptr) = BBS_FLOPPY;\r
- Ptr += sizeof (BBS_TYPE);\r
- *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
- if (FDCount != 0) {\r
- Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_FLOPPY, BbsCount, (UINT16 *) Ptr);\r
- }\r
-\r
- *((BBS_TYPE *) Ptr) = BBS_HARDDISK;\r
- Ptr += sizeof (BBS_TYPE);\r
- *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
- if (HDCount != 0) {\r
- Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_HARDDISK, BbsCount, (UINT16 *) Ptr);\r
- }\r
-\r
- *((BBS_TYPE *) Ptr) = BBS_CDROM;\r
- Ptr += sizeof (BBS_TYPE);\r
- *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
- if (CDCount != 0) {\r
- Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_CDROM, BbsCount, (UINT16 *) Ptr);\r
- }\r
-\r
- *((BBS_TYPE *) Ptr) = BBS_EMBED_NETWORK;\r
- Ptr += sizeof (BBS_TYPE);\r
- *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
- if (NETCount != 0) {\r
- Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_EMBED_NETWORK, BbsCount, (UINT16 *) Ptr);\r
- }\r
-\r
- *((BBS_TYPE *) Ptr) = BBS_BEV_DEVICE;\r
- Ptr += sizeof (BBS_TYPE);\r
- *((UINT16 *) Ptr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
- if (BEVCount != 0) {\r
- Ptr = (UINT8 *) BdsFillDevOrderBuf (BbsTable, BBS_BEV_DEVICE, BbsCount, (UINT16 *) Ptr);\r
- }\r
-\r
- //\r
- // Save device order for legacy boot device to variable.\r
- //\r
- Status = gRT->SetVariable (\r
- VAR_LEGACY_DEV_ORDER,\r
- &EfiLegacyDevOrderGuid,\r
- VAR_FLAG,\r
- TotalSize,\r
- DevOrder\r
- );\r
- FreePool (DevOrder);\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
-\r
- Add the legacy boot devices from BBS table into \r
- the legacy device boot order.\r
-\r
- @retval EFI_SUCCESS The boot devices are added successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-BdsUpdateLegacyDevOrder (\r
- VOID\r
- )\r
-{\r
- UINT8 *DevOrder;\r
- UINT8 *NewDevOrder;\r
- UINTN DevOrderSize;\r
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r
- EFI_STATUS Status;\r
- UINT16 HddCount;\r
- UINT16 BbsCount;\r
- HDD_INFO *LocalHddInfo;\r
- BBS_TABLE *LocalBbsTable;\r
- UINTN Index;\r
- UINTN Index2;\r
- UINTN *Idx;\r
- UINTN FDCount;\r
- UINTN HDCount;\r
- UINTN CDCount;\r
- UINTN NETCount;\r
- UINTN BEVCount;\r
- UINTN TotalSize;\r
- UINTN HeaderSize;\r
- UINT8 *Ptr;\r
- UINT8 *NewPtr;\r
- UINT16 *NewFDPtr;\r
- UINT16 *NewHDPtr;\r
- UINT16 *NewCDPtr;\r
- UINT16 *NewNETPtr;\r
- UINT16 *NewBEVPtr;\r
- UINT16 *NewDevPtr;\r
- UINT16 Length;\r
- UINT16 Tmp;\r
- UINTN FDIndex;\r
- UINTN HDIndex;\r
- UINTN CDIndex;\r
- UINTN NETIndex;\r
- UINTN BEVIndex;\r
-\r
- LocalHddInfo = NULL;\r
- LocalBbsTable = NULL;\r
- Idx = NULL;\r
- FDCount = 0;\r
- HDCount = 0;\r
- CDCount = 0;\r
- NETCount = 0;\r
- BEVCount = 0;\r
- TotalSize = 0;\r
- HeaderSize = sizeof (BBS_TYPE) + sizeof (UINT16);\r
- FDIndex = 0;\r
- HDIndex = 0;\r
- CDIndex = 0;\r
- NETIndex = 0;\r
- BEVIndex = 0;\r
- NewDevPtr = NULL;\r
-\r
- Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- LegacyBios->GetBbsInfo (\r
- LegacyBios,\r
- &HddCount,\r
- &LocalHddInfo,\r
- &BbsCount,\r
- &LocalBbsTable\r
- );\r
-\r
- DevOrder = (UINT8 *) BdsLibGetVariableAndSize (\r
- VAR_LEGACY_DEV_ORDER,\r
- &EfiLegacyDevOrderGuid,\r
- &DevOrderSize\r
- );\r
- if (NULL == DevOrder) {\r
- return BdsCreateDevOrder (LocalBbsTable, BbsCount);\r
- }\r
- //\r
- // First we figure out how many boot devices with same device type respectively\r
- //\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r
- (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r
- ) {\r
- continue;\r
- }\r
-\r
- switch (LocalBbsTable[Index].DeviceType) {\r
- case BBS_FLOPPY:\r
- FDCount++;\r
- break;\r
-\r
- case BBS_HARDDISK:\r
- HDCount++;\r
- break;\r
-\r
- case BBS_CDROM:\r
- CDCount++;\r
- break;\r
-\r
- case BBS_EMBED_NETWORK:\r
- NETCount++;\r
- break;\r
-\r
- case BBS_BEV_DEVICE:\r
- BEVCount++;\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
-\r
- TotalSize += (HeaderSize + FDCount * sizeof (UINT16));\r
- TotalSize += (HeaderSize + HDCount * sizeof (UINT16));\r
- TotalSize += (HeaderSize + CDCount * sizeof (UINT16));\r
- TotalSize += (HeaderSize + NETCount * sizeof (UINT16));\r
- TotalSize += (HeaderSize + BEVCount * sizeof (UINT16));\r
-\r
- NewDevOrder = AllocateZeroPool (TotalSize);\r
- if (NULL == NewDevOrder) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- NewFDPtr = (UINT16 *) (NewDevOrder + HeaderSize);\r
- NewHDPtr = (UINT16 *) ((UINT8 *) NewFDPtr + FDCount * sizeof (UINT16) + HeaderSize);\r
- NewCDPtr = (UINT16 *) ((UINT8 *) NewHDPtr + HDCount * sizeof (UINT16) + HeaderSize);\r
- NewNETPtr = (UINT16 *) ((UINT8 *) NewCDPtr + CDCount * sizeof (UINT16) + HeaderSize);\r
- NewBEVPtr = (UINT16 *) ((UINT8 *) NewNETPtr + NETCount * sizeof (UINT16) + HeaderSize);\r
-\r
- //\r
- // copy FD\r
- //\r
- Ptr = DevOrder;\r
- NewPtr = NewDevOrder;\r
- *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r
- Ptr += sizeof (BBS_TYPE);\r
- NewPtr += sizeof (BBS_TYPE);\r
- Length = *((UINT16 *) Ptr);\r
- *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + FDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
-\r
- for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r
- if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r
- LocalBbsTable[*Ptr].DeviceType != BBS_FLOPPY\r
- ) {\r
- Ptr += sizeof (UINT16);\r
- continue;\r
- }\r
-\r
- NewFDPtr[FDIndex] = *(UINT16 *) Ptr;\r
- FDIndex++;\r
- Ptr += sizeof (UINT16);\r
- }\r
- //\r
- // copy HD\r
- //\r
- NewPtr = (UINT8 *) NewHDPtr - HeaderSize;\r
- *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r
- Ptr += sizeof (BBS_TYPE);\r
- NewPtr += sizeof (BBS_TYPE);\r
- Length = *((UINT16 *) Ptr);\r
- *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + HDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
-\r
- for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r
- if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r
- LocalBbsTable[*Ptr].DeviceType != BBS_HARDDISK\r
- ) {\r
- Ptr += sizeof (UINT16);\r
- continue;\r
- }\r
-\r
- NewHDPtr[HDIndex] = *(UINT16 *) Ptr;\r
- HDIndex++;\r
- Ptr += sizeof (UINT16);\r
- }\r
- //\r
- // copy CD\r
- //\r
- NewPtr = (UINT8 *) NewCDPtr - HeaderSize;\r
- *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r
- Ptr += sizeof (BBS_TYPE);\r
- NewPtr += sizeof (BBS_TYPE);\r
- Length = *((UINT16 *) Ptr);\r
- *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + CDCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
-\r
- for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r
- if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r
- LocalBbsTable[*Ptr].DeviceType != BBS_CDROM\r
- ) {\r
- Ptr += sizeof (UINT16);\r
- continue;\r
- }\r
-\r
- NewCDPtr[CDIndex] = *(UINT16 *) Ptr;\r
- CDIndex++;\r
- Ptr += sizeof (UINT16);\r
- }\r
- //\r
- // copy NET\r
- //\r
- NewPtr = (UINT8 *) NewNETPtr - HeaderSize;\r
- *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r
- Ptr += sizeof (BBS_TYPE);\r
- NewPtr += sizeof (BBS_TYPE);\r
- Length = *((UINT16 *) Ptr);\r
- *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + NETCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
-\r
- for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r
- if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r
- LocalBbsTable[*Ptr].DeviceType != BBS_EMBED_NETWORK\r
- ) {\r
- Ptr += sizeof (UINT16);\r
- continue;\r
- }\r
-\r
- NewNETPtr[NETIndex] = *(UINT16 *) Ptr;\r
- NETIndex++;\r
- Ptr += sizeof (UINT16);\r
- }\r
- //\r
- // copy BEV\r
- //\r
- NewPtr = (UINT8 *) NewBEVPtr - HeaderSize;\r
- *((BBS_TYPE *) NewPtr) = *((BBS_TYPE *) Ptr);\r
- Ptr += sizeof (BBS_TYPE);\r
- NewPtr += sizeof (BBS_TYPE);\r
- Length = *((UINT16 *) Ptr);\r
- *((UINT16 *) NewPtr) = (UINT16) (sizeof (UINT16) + BEVCount * sizeof (UINT16));\r
- Ptr += sizeof (UINT16);\r
-\r
- for (Index = 0; Index < Length / sizeof (UINT16) - 1; Index++) {\r
- if (LocalBbsTable[*Ptr].BootPriority == BBS_IGNORE_ENTRY ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_DO_NOT_BOOT_FROM ||\r
- LocalBbsTable[*Ptr].BootPriority == BBS_LOWEST_PRIORITY ||\r
- LocalBbsTable[*Ptr].DeviceType != BBS_BEV_DEVICE\r
- ) {\r
- Ptr += sizeof (UINT16);\r
- continue;\r
- }\r
-\r
- NewBEVPtr[BEVIndex] = *(UINT16 *) Ptr;\r
- BEVIndex++;\r
- Ptr += sizeof (UINT16);\r
- }\r
-\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if ((LocalBbsTable[Index].BootPriority == BBS_IGNORE_ENTRY) ||\r
- (LocalBbsTable[Index].BootPriority == BBS_DO_NOT_BOOT_FROM)\r
- ) {\r
- continue;\r
- }\r
-\r
- switch (LocalBbsTable[Index].DeviceType) {\r
- case BBS_FLOPPY:\r
- Idx = &FDIndex;\r
- NewDevPtr = NewFDPtr;\r
- break;\r
-\r
- case BBS_HARDDISK:\r
- Idx = &HDIndex;\r
- NewDevPtr = NewHDPtr;\r
- break;\r
-\r
- case BBS_CDROM:\r
- Idx = &CDIndex;\r
- NewDevPtr = NewCDPtr;\r
- break;\r
-\r
- case BBS_EMBED_NETWORK:\r
- Idx = &NETIndex;\r
- NewDevPtr = NewNETPtr;\r
- break;\r
-\r
- case BBS_BEV_DEVICE:\r
- Idx = &BEVIndex;\r
- NewDevPtr = NewBEVPtr;\r
- break;\r
-\r
- default:\r
- Idx = NULL;\r
- break;\r
- }\r
- //\r
- // at this point we have copied those valid indexes to new buffer\r
- // and we should check if there is any new appeared boot device\r
- //\r
- if (Idx != 0) {\r
- for (Index2 = 0; Index2 < *Idx; Index2++) {\r
- if ((NewDevPtr[Index2] & 0xFF) == (UINT16) Index) {\r
- break;\r
- }\r
- }\r
+ if ((DevicePathType (BootOption->DevicePath) == BBS_DEVICE_PATH) &&\r
+ (DevicePathSubType (BootOption->DevicePath) == BBS_BBS_DP)) {\r
+ //\r
+ // Legacy Boot Option\r
+ //\r
+ ASSERT ((((BBS_BBS_DEVICE_PATH *) BootOption->DevicePath)->DeviceType & 0xF) < ARRAY_SIZE (DeviceTypeIndex));\r
+ NextIndex = &DeviceTypeIndex[((BBS_BBS_DEVICE_PATH *) BootOption->DevicePath)->DeviceType & 0xF];\r
\r
- if (Index2 == *Idx) {\r
+ if (*NextIndex == (UINTN) -1) {\r
//\r
- // Index2 == *Idx means we didn't find Index\r
- // so Index is a new appeared device's index in BBS table\r
- // save it.\r
+ // *NextIndex is the Index in BootOrder to put the next Option Number for the same type\r
//\r
- NewDevPtr[*Idx] = (UINT16) (Index & 0xFF);\r
- (*Idx)++;\r
- }\r
- }\r
- }\r
-\r
- if (FDCount != 0) {\r
- //\r
- // Just to make sure that disabled indexes are all at the end of the array\r
- //\r
- for (Index = 0; Index < FDIndex - 1; Index++) {\r
- if (0xFF00 != (NewFDPtr[Index] & 0xFF00)) {\r
- continue;\r
- }\r
-\r
- for (Index2 = Index + 1; Index2 < FDIndex; Index2++) {\r
- if (0 == (NewFDPtr[Index2] & 0xFF00)) {\r
- Tmp = NewFDPtr[Index];\r
- NewFDPtr[Index] = NewFDPtr[Index2];\r
- NewFDPtr[Index2] = Tmp;\r
- break;\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (HDCount != 0) {\r
- //\r
- // Just to make sure that disabled indexes are all at the end of the array\r
- //\r
- for (Index = 0; Index < HDIndex - 1; Index++) {\r
- if (0xFF00 != (NewHDPtr[Index] & 0xFF00)) {\r
- continue;\r
- }\r
-\r
- for (Index2 = Index + 1; Index2 < HDIndex; Index2++) {\r
- if (0 == (NewHDPtr[Index2] & 0xFF00)) {\r
- Tmp = NewHDPtr[Index];\r
- NewHDPtr[Index] = NewHDPtr[Index2];\r
- NewHDPtr[Index2] = Tmp;\r
- break;\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (CDCount != 0) {\r
- //\r
- // Just to make sure that disabled indexes are all at the end of the array\r
- //\r
- for (Index = 0; Index < CDIndex - 1; Index++) {\r
- if (0xFF00 != (NewCDPtr[Index] & 0xFF00)) {\r
- continue;\r
- }\r
-\r
- for (Index2 = Index + 1; Index2 < CDIndex; Index2++) {\r
- if (0 == (NewCDPtr[Index2] & 0xFF00)) {\r
- Tmp = NewCDPtr[Index];\r
- NewCDPtr[Index] = NewCDPtr[Index2];\r
- NewCDPtr[Index2] = Tmp;\r
- break;\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (NETCount != 0) {\r
- //\r
- // Just to make sure that disabled indexes are all at the end of the array\r
- //\r
- for (Index = 0; Index < NETIndex - 1; Index++) {\r
- if (0xFF00 != (NewNETPtr[Index] & 0xFF00)) {\r
- continue;\r
- }\r
-\r
- for (Index2 = Index + 1; Index2 < NETIndex; Index2++) {\r
- if (0 == (NewNETPtr[Index2] & 0xFF00)) {\r
- Tmp = NewNETPtr[Index];\r
- NewNETPtr[Index] = NewNETPtr[Index2];\r
- NewNETPtr[Index2] = Tmp;\r
- break;\r
- }\r
- }\r
- }\r
- }\r
-\r
- if (BEVCount!= 0) {\r
- //\r
- // Just to make sure that disabled indexes are all at the end of the array\r
- //\r
- for (Index = 0; Index < BEVIndex - 1; Index++) {\r
- if (0xFF00 != (NewBEVPtr[Index] & 0xFF00)) {\r
- continue;\r
- }\r
+ *NextIndex = Index + 1;\r
+ } else {\r
+ //\r
+ // insert the current boot option before *NextIndex, causing [*Next .. Index] shift right one position\r
+ //\r
+ OptionNumber = BootOrder[Index];\r
+ CopyMem (&BootOrder[*NextIndex + 1], &BootOrder[*NextIndex], (Index - *NextIndex) * sizeof (UINT16));\r
+ BootOrder[*NextIndex] = OptionNumber;\r
\r
- for (Index2 = Index + 1; Index2 < BEVIndex; Index2++) {\r
- if (0 == (NewBEVPtr[Index2] & 0xFF00)) {\r
- Tmp = NewBEVPtr[Index];\r
- NewBEVPtr[Index] = NewBEVPtr[Index2];\r
- NewBEVPtr[Index2] = Tmp;\r
- break;\r
+ //\r
+ // Update the DeviceTypeIndex array to reflect the right shift operation\r
+ //\r
+ for (DeviceIndex = 0; DeviceIndex < ARRAY_SIZE (DeviceTypeIndex); DeviceIndex++) {\r
+ if (DeviceTypeIndex[DeviceIndex] != (UINTN) -1 && DeviceTypeIndex[DeviceIndex] >= *NextIndex) {\r
+ DeviceTypeIndex[DeviceIndex]++;\r
+ }\r
}\r
}\r
}\r
+ FreePool (BootOption->DevicePath);\r
+ FreePool (BootOption->Description);\r
+ FreePool (BootOption->LoadOptions);\r
+ FreePool (BootOption);\r
}\r
\r
- FreePool (DevOrder);\r
-\r
Status = gRT->SetVariable (\r
- VAR_LEGACY_DEV_ORDER,\r
- &EfiLegacyDevOrderGuid,\r
- VAR_FLAG,\r
- TotalSize,\r
- NewDevOrder\r
+ L"BootOrder",\r
+ &gEfiGlobalVariableGuid,\r
+ EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE,\r
+ BootOrderSize,\r
+ BootOrder\r
);\r
- FreePool (NewDevOrder);\r
-\r
- return Status;\r
-}\r
-\r
-/**\r
- Set Boot Priority for specified device type.\r
-\r
- @param DeviceType The device type.\r
- @param LocalBbsTable The BBS table.\r
- @param Priority The prority table.\r
-\r
- @retval EFI_SUCCESS The function completes successfully.\r
- @retval EFI_NOT_FOUND Failed to find device.\r
-\r
-**/\r
-EFI_STATUS\r
-BdsSetBootPriority4SameTypeDev (\r
- IN UINT16 DeviceType,\r
- IN OUT BBS_TABLE *LocalBbsTable,\r
- IN OUT UINT16 *Priority\r
- )\r
-{\r
- UINT8 *DevOrder;\r
-\r
- UINT8 *OrigBuffer;\r
- UINT16 *DevIndex;\r
- UINTN DevOrderSize;\r
- UINTN DevCount;\r
- UINTN Index;\r
-\r
- DevOrder = BdsLibGetVariableAndSize (\r
- VAR_LEGACY_DEV_ORDER,\r
- &EfiLegacyDevOrderGuid,\r
- &DevOrderSize\r
- );\r
- if (NULL == DevOrder) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- OrigBuffer = DevOrder;\r
- while (DevOrder < OrigBuffer + DevOrderSize) {\r
- if (DeviceType == * (BBS_TYPE *) DevOrder) {\r
- break;\r
- }\r
-\r
- DevOrder += sizeof (BBS_TYPE);\r
- DevOrder += *(UINT16 *) DevOrder;\r
- }\r
-\r
- if (DevOrder >= OrigBuffer + DevOrderSize) {\r
- FreePool (OrigBuffer);\r
- return EFI_NOT_FOUND;\r
- }\r
-\r
- DevOrder += sizeof (BBS_TYPE);\r
- DevCount = (*((UINT16 *) DevOrder) - sizeof (UINT16)) / sizeof (UINT16);\r
- DevIndex = (UINT16 *) (DevOrder + sizeof (UINT16));\r
//\r
- // If the high byte of the DevIndex is 0xFF, it indicates that this device has been disabled.\r
+ // Changing content without increasing its size with current variable implementation shouldn't fail.\r
//\r
- for (Index = 0; Index < DevCount; Index++) {\r
- if ((DevIndex[Index] & 0xFF00) == 0xFF00) {\r
- //\r
- // LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = BBS_DISABLED_ENTRY;\r
- //\r
- } else {\r
- LocalBbsTable[DevIndex[Index] & 0xFF].BootPriority = *Priority;\r
- (*Priority)++;\r
- }\r
- }\r
-\r
- FreePool (OrigBuffer);\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- Print the BBS Table.\r
-\r
- @param LocalBbsTable The BBS table.\r
-\r
-**/\r
-VOID\r
-PrintBbsTable (\r
- IN BBS_TABLE *LocalBbsTable\r
- )\r
-{\r
- UINT16 Idx;\r
-\r
- DEBUG ((DEBUG_ERROR, "\n"));\r
- DEBUG ((DEBUG_ERROR, " NO Prio bb/dd/ff cl/sc Type Stat segm:offs\n"));\r
- DEBUG ((DEBUG_ERROR, "=============================================\n"));\r
- for (Idx = 0; Idx < MAX_BBS_ENTRIES; Idx++) {\r
- if ((LocalBbsTable[Idx].BootPriority == BBS_IGNORE_ENTRY) ||\r
- (LocalBbsTable[Idx].BootPriority == BBS_DO_NOT_BOOT_FROM) ||\r
- (LocalBbsTable[Idx].BootPriority == BBS_LOWEST_PRIORITY)\r
- ) {\r
- continue;\r
- }\r
-\r
- DEBUG (\r
- (DEBUG_ERROR,\r
- " %02x: %04x %02x/%02x/%02x %02x/%02x %04x %04x %04x:%04x\n",\r
- (UINTN) Idx,\r
- (UINTN) LocalBbsTable[Idx].BootPriority,\r
- (UINTN) LocalBbsTable[Idx].Bus,\r
- (UINTN) LocalBbsTable[Idx].Device,\r
- (UINTN) LocalBbsTable[Idx].Function,\r
- (UINTN) LocalBbsTable[Idx].Class,\r
- (UINTN) LocalBbsTable[Idx].SubClass,\r
- (UINTN) LocalBbsTable[Idx].DeviceType,\r
- (UINTN) * (UINT16 *) &LocalBbsTable[Idx].StatusFlags,\r
- (UINTN) LocalBbsTable[Idx].BootHandlerSegment,\r
- (UINTN) LocalBbsTable[Idx].BootHandlerOffset,\r
- (UINTN) ((LocalBbsTable[Idx].MfgStringSegment << 4) + LocalBbsTable[Idx].MfgStringOffset),\r
- (UINTN) ((LocalBbsTable[Idx].DescStringSegment << 4) + LocalBbsTable[Idx].DescStringOffset))\r
- );\r
- }\r
-\r
- DEBUG ((DEBUG_ERROR, "\n"));\r
+ ASSERT_EFI_ERROR (Status);\r
+ FreePool (BootOrder);\r
}\r
\r
-/**\r
-\r
- Set the boot priority for BBS entries based on boot option entry and boot order.\r
-\r
- @param Entry The boot option is to be checked for refresh BBS table.\r
- \r
- @retval EFI_SUCCESS The boot priority for BBS entries is refreshed successfully.\r
- @return status of BdsSetBootPriority4SameTypeDev()\r
-**/\r
-EFI_STATUS\r
-BdsRefreshBbsTableForBoot (\r
- IN BDS_COMMON_OPTION *Entry\r
- )\r
-{\r
- EFI_STATUS Status;\r
- UINT16 HddCount;\r
- UINT16 BbsCount;\r
- HDD_INFO *LocalHddInfo;\r
- BBS_TABLE *LocalBbsTable;\r
- UINT16 DevType;\r
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r
- UINTN Index;\r
- UINT16 Priority;\r
- UINT16 *BootOrder;\r
- UINTN BootOrderSize;\r
- UINT8 *BootOptionVar;\r
- UINTN BootOptionSize;\r
- UINT16 BootOption[100];\r
- UINT8 *Ptr;\r
- UINT16 DevPathLen;\r
- EFI_DEVICE_PATH_PROTOCOL *DevPath;\r
-\r
- HddCount = 0;\r
- BbsCount = 0;\r
- LocalHddInfo = NULL;\r
- LocalBbsTable = NULL;\r
- DevType = BBS_UNKNOWN;\r
-\r
- Status = EfiLibLocateProtocol (&gEfiLegacyBiosProtocolGuid, (VOID **) &LegacyBios);\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- LegacyBios->GetBbsInfo (\r
- LegacyBios,\r
- &HddCount,\r
- &LocalHddInfo,\r
- &BbsCount,\r
- &LocalBbsTable\r
- );\r
- //\r
- // First, set all the present devices' boot priority to BBS_UNPRIORITIZED_ENTRY\r
- // We will set them according to the settings setup by user\r
- //\r
- for (Index = 0; Index < BbsCount; Index++) {\r
- if (!((BBS_IGNORE_ENTRY == LocalBbsTable[Index].BootPriority) ||\r
- (BBS_DO_NOT_BOOT_FROM == LocalBbsTable[Index].BootPriority) ||\r
- (BBS_LOWEST_PRIORITY == LocalBbsTable[Index].BootPriority))) {\r
- LocalBbsTable[Index].BootPriority = BBS_UNPRIORITIZED_ENTRY;\r
- }\r
- }\r
- //\r
- // boot priority always starts at 0\r
- //\r
- Priority = 0;\r
- if (Entry->LoadOptionsSize == sizeof (BBS_TABLE) + sizeof (UINT16)) {\r
- //\r
- // If Entry stands for a legacy boot option, we prioritize the devices with the same type first.\r
- //\r
- DevType = ((BBS_TABLE *) Entry->LoadOptions)->DeviceType;\r
- Status = BdsSetBootPriority4SameTypeDev (\r
- DevType,\r
- LocalBbsTable,\r
- &Priority\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- }\r
- //\r
- // we have to set the boot priority for other BBS entries with different device types\r
- //\r
- BootOrder = (UINT16 *) BdsLibGetVariableAndSize (\r
- L"BootOrder",\r
- &gEfiGlobalVariableGuid,\r
- &BootOrderSize\r
- );\r
- for (Index = 0; ((BootOrder != NULL) && (Index < BootOrderSize / sizeof (UINT16))); Index++) {\r
- UnicodeSPrint (BootOption, sizeof (BootOption), L"Boot%04x", BootOrder[Index]);\r
- BootOptionVar = BdsLibGetVariableAndSize (\r
- BootOption,\r
- &gEfiGlobalVariableGuid,\r
- &BootOptionSize\r
- );\r
- if (NULL == BootOptionVar) {\r
- continue;\r
- }\r
-\r
- Ptr = BootOptionVar;\r
-\r
- Ptr += sizeof (UINT32);\r
- DevPathLen = *(UINT16 *) Ptr;\r
- Ptr += sizeof (UINT16);\r
- Ptr += StrSize ((UINT16 *) Ptr);\r
- DevPath = (EFI_DEVICE_PATH_PROTOCOL *) Ptr;\r
- if (BBS_DEVICE_PATH != DevPath->Type || BBS_BBS_DP != DevPath->SubType) {\r
- FreePool (BootOptionVar);\r
- continue;\r
- }\r
-\r
- Ptr += DevPathLen;\r
- if (DevType == ((BBS_TABLE *) Ptr)->DeviceType) {\r
- //\r
- // We don't want to process twice for a device type\r
- //\r
- FreePool (BootOptionVar);\r
- continue;\r
- }\r
-\r
- Status = BdsSetBootPriority4SameTypeDev (\r
- ((BBS_TABLE *) Ptr)->DeviceType,\r
- LocalBbsTable,\r
- &Priority\r
- );\r
- FreePool (BootOptionVar);\r
- if (EFI_ERROR (Status)) {\r
- break;\r
- }\r
- }\r
-\r
- if (BootOrder != NULL) {\r
- FreePool (BootOrder);\r
- }\r
-\r
- DEBUG_CODE_BEGIN();\r
- PrintBbsTable (LocalBbsTable);\r
- DEBUG_CODE_END();\r
- \r
- return Status;\r
-}\r
projects / mirror_edk2.git / blobdiff