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EdkGenericBdsLib added

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2367 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
tgingold 2007-02-12 23:39:38 +00:00
parent 15f83a8852
commit 8033e93148
10 changed files with 5016 additions and 0 deletions
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400
EdkModulePkg/Include/Library/EdkGenericBdsLib.h Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
BdsLib.h
Abstract:
BDS library definition, include the file and data structure
--*/
#ifndef _BDS_LIB_H_
#define _BDS_LIB_H_
extern EFI_HANDLE mBdsImageHandle;
//
// Constants which are variable names used to access variables
//
#define VarLegacyDevOrder L"LegacyDevOrder"
//
// Data structures and defines
//
#define FRONT_PAGE_QUESTION_ID 0x0000
#define FRONT_PAGE_DATA_WIDTH 0x01
//
// ConnectType
//
#define CONSOLE_OUT 0x00000001
#define STD_ERROR 0x00000002
#define CONSOLE_IN 0x00000004
#define CONSOLE_ALL (CONSOLE_OUT | CONSOLE_IN | STD_ERROR)
//
// Load Option Attributes defined in EFI Specification
//
#define LOAD_OPTION_ACTIVE 0x00000001
#define LOAD_OPTION_FORCE_RECONNECT 0x00000002
#define IS_LOAD_OPTION_TYPE(_c, _Mask) (BOOLEAN) (((_c) & (_Mask)) != 0)
//
// Define Maxmim characters that will be accepted
//
#define MAX_CHAR 480
#define MAX_CHAR_SIZE (MAX_CHAR * 2)
#define MIN_ALIGNMENT_SIZE 4
#define ALIGN_SIZE(a) ((a % MIN_ALIGNMENT_SIZE) ? MIN_ALIGNMENT_SIZE - (a % MIN_ALIGNMENT_SIZE) : 0)
//
// Define maximum characters for boot option variable "BootXXXX"
//
#define BOOT_OPTION_MAX_CHAR 10
//
// This data structure is the part of BDS_CONNECT_ENTRY that we can hard code.
//
#define BDS_LOAD_OPTION_SIGNATURE EFI_SIGNATURE_32 ('B', 'd', 'C', 'O')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
CHAR16 *OptionName;
UINTN OptionNumber;
UINT16 BootCurrent;
UINT32 Attribute;
CHAR16 *Description;
VOID *LoadOptions;
UINT32 LoadOptionsSize;
} BDS_COMMON_OPTION;
typedef struct {
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
UINTN ConnectType;
} BDS_CONSOLE_CONNECT_ENTRY;
//
// Lib Functions
//
//
// Bds boot relate lib functions
//
EFI_STATUS
BdsLibUpdateBootOrderList (
IN LIST_ENTRY *BdsOptionList,
IN CHAR16 *VariableName
);
VOID
BdsLibBootNext (
VOID
);
EFI_STATUS
BdsLibBootViaBootOption (
IN BDS_COMMON_OPTION * Option,
IN EFI_DEVICE_PATH_PROTOCOL * DevicePath,
OUT UINTN *ExitDataSize,
OUT CHAR16 **ExitData OPTIONAL
);
EFI_STATUS
BdsLibEnumerateAllBootOption (
IN OUT LIST_ENTRY *BdsBootOptionList
);
VOID
BdsLibBuildOptionFromHandle (
IN EFI_HANDLE Handle,
IN LIST_ENTRY *BdsBootOptionList
);
VOID
BdsLibBuildOptionFromShell (
IN EFI_HANDLE Handle,
IN LIST_ENTRY *BdsBootOptionList
);
//
// Bds misc lib functions
//
UINT16
BdsLibGetTimeout (
VOID
);
EFI_STATUS
BdsLibGetBootMode (
OUT EFI_BOOT_MODE *BootMode
);
VOID
BdsLibLoadDrivers (
IN LIST_ENTRY *BdsDriverLists
);
EFI_STATUS
BdsLibBuildOptionFromVar (
IN LIST_ENTRY *BdsCommonOptionList,
IN CHAR16 *VariableName
);
VOID *
BdsLibGetVariableAndSize (
IN CHAR16 *Name,
IN EFI_GUID *VendorGuid,
OUT UINTN *VariableSize
);
EFI_STATUS
BdsLibOutputStrings (
IN EFI_SIMPLE_TEXT_OUT_PROTOCOL *ConOut,
...
);
BDS_COMMON_OPTION *
BdsLibVariableToOption (
IN OUT LIST_ENTRY *BdsCommonOptionList,
IN CHAR16 *VariableName
);
EFI_STATUS
BdsLibRegisterNewOption (
IN LIST_ENTRY *BdsOptionList,
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN CHAR16 *String,
IN CHAR16 *VariableName
);
//
// Bds connect or disconnect driver lib funcion
//
VOID
BdsLibConnectAllDriversToAllControllers (
VOID
);
VOID
BdsLibConnectAll (
VOID
);
EFI_STATUS
BdsLibConnectDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
);
EFI_STATUS
BdsLibConnectAllEfi (
VOID
);
EFI_STATUS
BdsLibDisconnectAllEfi (
VOID
);
//
// Bds console relate lib functions
//
VOID
BdsLibConnectAllConsoles (
VOID
);
EFI_STATUS
BdsLibConnectAllDefaultConsoles (
VOID
);
EFI_STATUS
BdsLibUpdateConsoleVariable (
IN CHAR16 *ConVarName,
IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
);
EFI_STATUS
BdsLibConnectConsoleVariable (
IN CHAR16 *ConVarName
);
//
// Bds device path relate lib functions
//
EFI_DEVICE_PATH_PROTOCOL *
BdsLibUnpackDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevPath
);
VOID
BdsLibSafeFreePool (
IN VOID *Buffer
);
EFI_DEVICE_PATH_PROTOCOL *
BdsLibDelPartMatchInstance (
IN EFI_DEVICE_PATH_PROTOCOL *Multi,
IN EFI_DEVICE_PATH_PROTOCOL *Single
);
BOOLEAN
BdsLibMatchDevicePaths (
IN EFI_DEVICE_PATH_PROTOCOL *Multi,
IN EFI_DEVICE_PATH_PROTOCOL *Single
);
CHAR16 *
DevicePathToStr (
EFI_DEVICE_PATH_PROTOCOL *DevPath
);
VOID *
EfiLibGetVariable (
IN CHAR16 *Name,
IN EFI_GUID *VendorGuid
);
//
// Internal definitions
//
typedef struct {
CHAR16 *str;
UINTN len;
UINTN maxlen;
} POOL_PRINT;
typedef struct {
UINT8 Type;
UINT8 SubType;
VOID (*Function) (POOL_PRINT *, VOID *);
} DEVICE_PATH_STRING_TABLE;
//
// Internal functions
//
EFI_STATUS
BdsBootByDiskSignatureAndPartition (
IN BDS_COMMON_OPTION * Option,
IN HARDDRIVE_DEVICE_PATH * HardDriveDevicePath,
IN UINT32 LoadOptionsSize,
IN VOID *LoadOptions,
OUT UINTN *ExitDataSize,
OUT CHAR16 **ExitData OPTIONAL
);
//
// Notes: EFI 64 shadow all option rom
//
#ifdef EFI64
#define EFI64_SHADOW_ALL_LEGACY_ROM() ShadowAllOptionRom ();
VOID
ShadowAllOptionRom();
#else
#define EFI64_SHADOW_ALL_LEGACY_ROM()
#endif
//
// BBS support macros and functions
//
#ifdef EFI32
#define REFRESH_LEGACY_BOOT_OPTIONS \
BdsDeleteAllInvalidLegacyBootOptions ();\
BdsAddNonExistingLegacyBootOptions (); \
BdsUpdateLegacyDevOrder ()
#else
#define REFRESH_LEGACY_BOOT_OPTIONS
#endif
EFI_STATUS
BdsDeleteAllInvalidLegacyBootOptions (
VOID
);
EFI_STATUS
BdsAddNonExistingLegacyBootOptions (
VOID
);
EFI_STATUS
BdsUpdateLegacyDevOrder (
VOID
);
EFI_STATUS
BdsRefreshBbsTableForBoot (
IN BDS_COMMON_OPTION *Entry
);
EFI_STATUS
BdsDeleteBootOption (
IN UINTN OptionNumber,
IN OUT UINT16 *BootOrder,
IN OUT UINTN *BootOrderSize
);
//
//The interface functions relate with Setup Browser Reset Reminder feature
//
VOID
EnableResetReminderFeature (
VOID
);
VOID
DisableResetReminderFeature (
VOID
);
VOID
EnableResetRequired (
VOID
);
VOID
DisableResetRequired (
VOID
);
BOOLEAN
IsResetReminderFeatureEnable (
VOID
);
BOOLEAN
IsResetRequired (
VOID
);
VOID
SetupResetReminder (
VOID
);
EFI_STATUS
BdsLibGetHiiHandles (
IN EFI_HII_PROTOCOL *Hii,
IN OUT UINT16 *HandleBufferLength,
OUT EFI_HII_HANDLE **HiiHandles
);
#endif // _BDS_LIB_H_

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EdkModulePkg/Library/EdkGenericBdsLib/BdsBoot.c Normal file
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357
EdkModulePkg/Library/EdkGenericBdsLib/BdsConnect.c Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
BdsConnect.c
Abstract:
BDS Lib functions which relate with connect the device
--*/
VOID
BdsLibConnectAll (
VOID
)
/*++
Routine Description:
This function will connect all the system driver to controller
first, and then special connect the default console, this make
sure all the system controller avialbe and the platform default
console connected.
Arguments:
None
Returns:
None
--*/
{
//
// Connect the platform console first
//
BdsLibConnectAllDefaultConsoles ();
//
// Generic way to connect all the drivers
//
BdsLibConnectAllDriversToAllControllers ();
//
// Here we have the assumption that we have already had
// platform default console
//
BdsLibConnectAllDefaultConsoles ();
}
VOID
BdsLibGenericConnectAll (
VOID
)
/*++
Routine Description:
This function will connect all the system drivers to all controllers
first, and then connect all the console devices the system current
have. After this we should get all the device work and console avariable
if the system have console device.
Arguments:
None
Returns:
None
--*/
{
//
// Most generic way to connect all the drivers
//
BdsLibConnectAllDriversToAllControllers ();
BdsLibConnectAllConsoles ();
}
EFI_STATUS
BdsLibConnectDevicePath (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePathToConnect
)
/*++
Routine Description:
This function will create all handles associate with every device
path node. If the handle associate with one device path node can not
be created success, then still give one chance to do the dispatch,
which load the missing drivers if possible.
Arguments:
DevicePathToConnect - The device path which will be connected, it can
be a multi-instance device path
Returns:
EFI_SUCCESS - All handles associate with every device path
node have been created
EFI_OUT_OF_RESOURCES - There is no resource to create new handles
EFI_NOT_FOUND - Create the handle associate with one device
path node failed
--*/
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
EFI_DEVICE_PATH_PROTOCOL *Instance;
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
EFI_DEVICE_PATH_PROTOCOL *Next;
EFI_HANDLE Handle;
EFI_HANDLE PreviousHandle;
UINTN Size;
if (DevicePathToConnect == NULL) {
return EFI_SUCCESS;
}
DevicePath = DuplicateDevicePath (DevicePathToConnect);
CopyOfDevicePath = DevicePath;
if (DevicePath == NULL) {
return EFI_OUT_OF_RESOURCES;
}
do {
//
// The outer loop handles multi instance device paths.
// Only console variables contain multiple instance device paths.
//
// After this call DevicePath points to the next Instance
//
Instance = GetNextDevicePathInstance (&DevicePath, &Size);
Next = Instance;
while (!IsDevicePathEndType (Next)) {
Next = NextDevicePathNode (Next);
}
SetDevicePathEndNode (Next);
//
// Start the real work of connect with RemainingDevicePath
//
PreviousHandle = NULL;
do {
//
// Find the handle that best matches the Device Path. If it is only a
// partial match the remaining part of the device path is returned in
// RemainingDevicePath.
//
RemainingDevicePath = Instance;
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &Handle);
if (!EFI_ERROR (Status)) {
if (Handle == PreviousHandle) {
//
// If no forward progress is made try invoking the Dispatcher.
// A new FV may have been added to the system an new drivers
// may now be found.
// Status == EFI_SUCCESS means a driver was dispatched
// Status == EFI_NOT_FOUND means no new drivers were dispatched
//
Status = gDS->Dispatch ();
}
if (!EFI_ERROR (Status)) {
PreviousHandle = Handle;
//
// Connect all drivers that apply to Handle and RemainingDevicePath,
// the Recursive flag is FALSE so only one level will be expanded.
//
// Do not check the connect status here, if the connect controller fail,
// then still give the chance to do dispatch, because partial
// RemainingDevicepath may be in the new FV
//
// 1. If the connect fail, RemainingDevicepath and handle will not
// change, so next time will do the dispatch, then dispatch's status
// will take effect
// 2. If the connect success, the RemainingDevicepath and handle will
// change, then avoid the dispatch, we have chance to continue the
// next connection
//
gBS->ConnectController (Handle, NULL, RemainingDevicePath, FALSE);
}
}
//
// Loop until RemainingDevicePath is an empty device path
//
} while (!EFI_ERROR (Status) && !IsDevicePathEnd (RemainingDevicePath));
} while (DevicePath != NULL);
if (CopyOfDevicePath != NULL) {
gBS->FreePool (CopyOfDevicePath);
}
//
// All handle with DevicePath exists in the handle database
//
return Status;
}
EFI_STATUS
BdsLibConnectAllEfi (
VOID
)
/*++
Routine Description:
This function will connect all current system handles recursively. The
connection will finish until every handle's child handle created if it have.
Arguments:
None
Returns:
EFI_SUCCESS - All handles and it's child handle have been connected
EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
--*/
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
}
gBS->FreePool (HandleBuffer);
return EFI_SUCCESS;
}
EFI_STATUS
BdsLibDisconnectAllEfi (
VOID
)
/*++
Routine Description:
This function will disconnect all current system handles. The disconnection
will finish until every handle have been disconnected.
Arguments:
None
Returns:
EFI_SUCCESS - All handles have been disconnected
EFI_STATUS - Return the status of gBS->LocateHandleBuffer().
--*/
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
//
// Disconnect all
//
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
return Status;
}
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->DisconnectController (HandleBuffer[Index], NULL, NULL);
}
gBS->FreePool (HandleBuffer);
return EFI_SUCCESS;
}
VOID
BdsLibConnectAllDriversToAllControllers (
VOID
)
/*++
Routine Description:
Connects all drivers to all controllers.
This function make sure all the current system driver will manage
the correspoinding controllers if have. And at the same time, make
sure all the system controllers have driver to manage it if have.
Arguments:
None
Returns:
None
--*/
{
EFI_STATUS Status;
do {
//
// Connect All EFI 1.10 drivers following EFI 1.10 algorithm
//
BdsLibConnectAllEfi ();
//
// Check to see if it's possible to dispatch an more DXE drivers.
// The BdsLibConnectAllEfi () may have made new DXE drivers show up.
// If anything is Dispatched Status == EFI_SUCCESS and we will try
// the connect again.
//
Status = gDS->Dispatch ();
} while (!EFI_ERROR (Status));
}

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EdkModulePkg/Library/EdkGenericBdsLib/BdsConsole.c Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
BdsConsole.c
Abstract:
BDS Lib functions which contain all the code to connect console device
--*/
BOOLEAN
IsNvNeed (
IN CHAR16 *ConVarName
)
{
CHAR16 *Ptr;
Ptr = ConVarName;
//
// If the variable includes "Dev" at last, we consider
// it does not support NV attribute.
//
while (*Ptr) {
Ptr++;
}
if ((*(Ptr - 3) == 'D') && (*(Ptr - 2) == 'e') && (*(Ptr - 1) == 'v')) {
return FALSE;
} else {
return TRUE;
}
}
EFI_STATUS
BdsLibUpdateConsoleVariable (
IN CHAR16 *ConVarName,
IN EFI_DEVICE_PATH_PROTOCOL *CustomizedConDevicePath,
IN EFI_DEVICE_PATH_PROTOCOL *ExclusiveDevicePath
)
/*++
Routine Description:
This function update console variable based on ConVarName, it can
add or remove one specific console device path from the variable
Arguments:
ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
CustomizedConDevicePath - The console device path which will be added to
the console variable ConVarName, this parameter
can not be multi-instance.
ExclusiveDevicePath - The console device path which will be removed
from the console variable ConVarName, this
parameter can not be multi-instance.
Returns:
EFI_UNSUPPORTED - Add or remove the same device path.
EFI_SUCCESS - Success add or remove the device path from
the console variable.
--*/
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *VarConsole;
UINTN DevicePathSize;
EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
EFI_DEVICE_PATH_PROTOCOL *TempNewDevicePath;
UINT32 Attributes;
VarConsole = NULL;
DevicePathSize = 0;
Status = EFI_UNSUPPORTED;
//
// Notes: check the device path point, here should check
// with compare memory
//
if (CustomizedConDevicePath == ExclusiveDevicePath) {
return EFI_UNSUPPORTED;
}
//
// Delete the ExclusiveDevicePath from current default console
//
VarConsole = BdsLibGetVariableAndSize (
ConVarName,
&gEfiGlobalVariableGuid,
&DevicePathSize
);
//
// Initialize NewDevicePath
//
NewDevicePath = VarConsole;
//
// If ExclusiveDevicePath is even the part of the instance in VarConsole, delete it.
// In the end, NewDevicePath is the final device path.
//
if (ExclusiveDevicePath != NULL && VarConsole != NULL) {
NewDevicePath = BdsLibDelPartMatchInstance (VarConsole, ExclusiveDevicePath);
}
//
// Try to append customized device path to NewDevicePath.
//
if (CustomizedConDevicePath != NULL) {
if (!BdsLibMatchDevicePaths (NewDevicePath, CustomizedConDevicePath)) {
//
// Check if there is part of CustomizedConDevicePath in NewDevicePath, delete it.
//
NewDevicePath = BdsLibDelPartMatchInstance (NewDevicePath, CustomizedConDevicePath);
//
// In the first check, the default console variable will be null,
// just append current customized device path
//
TempNewDevicePath = NewDevicePath;
NewDevicePath = AppendDevicePathInstance (NewDevicePath, CustomizedConDevicePath);
BdsLibSafeFreePool(TempNewDevicePath);
}
}
//
// The attribute for ConInDev, ConOutDev and ErrOutDev does not include NV.
//
if (IsNvNeed(ConVarName)) {
//
// ConVarName has NV attribute.
//
Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_NON_VOLATILE;
} else {
//
// ConVarName does not have NV attribute.
//
Attributes = EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS;
}
//
// Finally, Update the variable of the default console by NewDevicePath
//
gRT->SetVariable (
ConVarName,
&gEfiGlobalVariableGuid,
Attributes,
GetDevicePathSize (NewDevicePath),
NewDevicePath
);
if (VarConsole == NewDevicePath) {
BdsLibSafeFreePool(VarConsole);
} else {
BdsLibSafeFreePool(VarConsole);
BdsLibSafeFreePool(NewDevicePath);
}
return EFI_SUCCESS;
}
EFI_STATUS
BdsLibConnectConsoleVariable (
IN CHAR16 *ConVarName
)
/*++
Routine Description:
Connect the console device base on the variable ConVarName, if
device path of the ConVarName is multi-instance device path, if
anyone of the instances is connected success, then this function
will return success.
Arguments:
ConVarName - Console related variable name, ConIn, ConOut, ErrOut.
Returns:
EFI_NOT_FOUND - There is not any console devices connected success
EFI_SUCCESS - Success connect any one instance of the console
device path base on the variable ConVarName.
--*/
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *StartDevicePath;
UINTN VariableSize;
EFI_DEVICE_PATH_PROTOCOL *Instance;
EFI_DEVICE_PATH_PROTOCOL *Next;
EFI_DEVICE_PATH_PROTOCOL *CopyOfDevicePath;
UINTN Size;
BOOLEAN DeviceExist;
Status = EFI_SUCCESS;
DeviceExist = FALSE;
//
// Check if the console variable exist
//
StartDevicePath = BdsLibGetVariableAndSize (
ConVarName,
&gEfiGlobalVariableGuid,
&VariableSize
);
if (StartDevicePath == NULL) {
return EFI_UNSUPPORTED;
}
CopyOfDevicePath = StartDevicePath;
do {
//
// Check every instance of the console variable
//
Instance = GetNextDevicePathInstance (&CopyOfDevicePath, &Size);
Next = Instance;
while (!IsDevicePathEndType (Next)) {
Next = NextDevicePathNode (Next);
}
SetDevicePathEndNode (Next);
//
// Connect the instance device path
//
Status = BdsLibConnectDevicePath (Instance);
if (EFI_ERROR (Status)) {
//
// Delete the instance from the console varialbe
//
BdsLibUpdateConsoleVariable (ConVarName, NULL, Instance);
} else {
DeviceExist = TRUE;
}
BdsLibSafeFreePool(Instance);
} while (CopyOfDevicePath != NULL);
gBS->FreePool (StartDevicePath);
if (DeviceExist == FALSE) {
return EFI_NOT_FOUND;
}
return EFI_SUCCESS;
}
VOID
BdsLibConnectAllConsoles (
VOID
)
/*++
Routine Description:
This function will search every simpletxt devive in current system,
and make every simpletxt device as pertantial console device.
Arguments:
None
Returns:
None
--*/
{
EFI_STATUS Status;
UINTN Index;
EFI_DEVICE_PATH_PROTOCOL *ConDevicePath;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
Index = 0;
HandleCount = 0;
HandleBuffer = NULL;
ConDevicePath = NULL;
//
// Update all the console variables
//
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextInProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID **) &ConDevicePath
);
BdsLibUpdateConsoleVariable (L"ConIn", ConDevicePath, NULL);
}
BdsLibSafeFreePool(HandleBuffer);
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiSimpleTextOutProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiDevicePathProtocolGuid,
(VOID **) &ConDevicePath
);
BdsLibUpdateConsoleVariable (L"ConOut", ConDevicePath, NULL);
BdsLibUpdateConsoleVariable (L"ErrOut", ConDevicePath, NULL);
}
BdsLibSafeFreePool(HandleBuffer);
//
// Connect all console variables
//
BdsLibConnectAllDefaultConsoles ();
}
EFI_STATUS
BdsLibConnectAllDefaultConsoles (
VOID
)
/*++
Routine Description:
This function will connect console device base on the console
device variable ConIn, ConOut and ErrOut.
Arguments:
None
Returns:
EFI_SUCCESS - At least one of the ConIn and ConOut device have
been connected success.
EFI_STATUS - Return the status of BdsLibConnectConsoleVariable ().
--*/
{
EFI_STATUS Status;
//
// Connect all default console variables
//
Status = BdsLibConnectConsoleVariable (L"ConIn");
if (EFI_ERROR (Status)) {
return Status;
}
Status = BdsLibConnectConsoleVariable (L"ConOut");
if (EFI_ERROR (Status)) {
return Status;
}
//
// Special treat the err out device, becaues the null
// err out var is legal.
//
BdsLibConnectConsoleVariable (L"ErrOut");
return EFI_SUCCESS;
}

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EdkModulePkg/Library/EdkGenericBdsLib/BdsMisc.c Normal file
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EdkModulePkg/Library/EdkGenericBdsLib/DevicePath.c Normal file
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EdkModulePkg/Library/EdkGenericBdsLib/EdkGenericBdsLib.msa Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
<MsaHeader>
<ModuleName>EdkGenericBdsLib</ModuleName>
<ModuleType>DXE_DRIVER</ModuleType>
<GuidValue>f3aaea62-8985-11db-baff-0040d02b1835</GuidValue>
<Version>1.0</Version>
<Abstract>EDK Generic BDS Common APIs Library Instance.</Abstract>
<Description>The library instance provides common library routines help in
performance measurement, device path debug print, boot device selections,
boot device connection, console supports in BDS phase and boot from boot
device.
</Description>
<Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
<License>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.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
<ModuleDefinitions>
<SupportedArchitectures>IA32 X64 IPF EBC</SupportedArchitectures>
<BinaryModule>false</BinaryModule>
<OutputFileBasename>EdkGenericBdsLib</OutputFileBasename>
</ModuleDefinitions>
<LibraryClassDefinitions>
<LibraryClass Usage="ALWAYS_PRODUCED">
<Keyword>EdkGenericBdsLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DxeServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DebugLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PrintLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>HobLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>BaseMemoryLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>MemoryAllocationLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiBootServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>UefiRuntimeServicesTableLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>DevicePathLib</Keyword>
</LibraryClass>
<LibraryClass Usage="ALWAYS_CONSUMED">
<Keyword>PerformanceLib</Keyword>
</LibraryClass>
</LibraryClassDefinitions>
<SourceFiles>
<Filename>BdsBoot.c</Filename>
<Filename>BdsConsole.c</Filename>
<Filename>BdsConnect.c</Filename>
<Filename>DevicePath.c</Filename>
<Filename>Performance.h</Filename>
<Filename>Performance.c</Filename>
<Filename>BdsMisc.c</Filename>
<Filename SupArchList="IPF">Ipf/ShadowRom.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
<Package PackageGuid="68169ab0-d41b-4009-9060-292c253ac43d"/>
<Package PackageGuid="f2805c44-8985-11db-9e98-0040d02b1835"/>
</PackageDependencies>
<Protocols>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiLoadedImageProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiFirmwareVolumeProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiAcpiS3SaveProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiSimpleTextOutProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiSimpleTextInProtocolGuid</ProtocolCName>
</Protocol>
<Protocol Usage="ALWAYS_CONSUMED">
<ProtocolCName>gEfiSimpleNetworkProtocolGuid</ProtocolCName>
</Protocol>
</Protocols>
<Guids>
<GuidCNames Usage="ALWAYS_CONSUMED">
<GuidCName>gEfiShellFileGuid</GuidCName>
</GuidCNames>
</Guids>
<Externs>
<Specification>EFI_SPECIFICATION_VERSION 0x00020000</Specification>
<Specification>EDK_RELEASE_VERSION 0x00020000</Specification>
</Externs>
</ModuleSurfaceArea>

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EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
ShadowRom.c
Abstract:
Shadow all option rom
Revision History
--*/
UINT8 mShadowRomFlag = 0;
VOID
ShadowAllOptionRom()
{
EFI_STATUS Status;
EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
//
// Rom shadow only do once.
//
if (mShadowRomFlag == 0) {
Status = gBS->LocateProtocol (
&gEfiLegacyBiosProtocolGuid,
NULL,
&LegacyBios
);
if (!EFI_ERROR (Status)) {
LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
}
mShadowRomFlag = 1;
}
return ;
}

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EdkModulePkg/Library/EdkGenericBdsLib/Performance.c Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
Performance.c
Abstract:
This file include the file which can help to get the system
performance, all the function will only include if the performance
switch is set.
--*/
#include "Performance.h"
VOID
ClearDebugRegisters (
VOID
)
{
//
// BugBug: We should not need to do this. We need to root cause this bug!!!!
//
AsmWriteDr0 (0);
AsmWriteDr1 (0);
}
STATIC
VOID
GetShortPdbFileName (
CHAR8 *PdbFileName,
CHAR8 *GaugeString
)
/*++
Routine Description:
Arguments:
Returns:
--*/
{
UINTN Index;
UINTN Index1;
UINTN StartIndex;
UINTN EndIndex;
if (PdbFileName == NULL) {
AsciiStrCpy (GaugeString, " ");
} else {
StartIndex = 0;
for (EndIndex = 0; PdbFileName[EndIndex] != 0; EndIndex++)
;
for (Index = 0; PdbFileName[Index] != 0; Index++) {
if (PdbFileName[Index] == '\\') {
StartIndex = Index + 1;
}
if (PdbFileName[Index] == '.') {
EndIndex = Index;
}
}
Index1 = 0;
for (Index = StartIndex; Index < EndIndex; Index++) {
GaugeString[Index1] = PdbFileName[Index];
Index1++;
if (Index1 == PERF_TOKEN_LENGTH - 1) {
break;
}
}
GaugeString[Index1] = 0;
}
return ;
}
STATIC
CHAR8 *
GetPdbPath (
VOID *ImageBase
)
/*++
Routine Description:
Located PDB path name in PE image
Arguments:
ImageBase - base of PE to search
Returns:
Pointer into image at offset of PDB file name if PDB file name is found,
Otherwise a pointer to an empty string.
--*/
{
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
ZeroMem (&ImageContext, sizeof (ImageContext));
ImageContext.Handle = ImageBase;
ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
PeCoffLoaderGetImageInfo (&ImageContext);
return ImageContext.PdbPointer;
}
STATIC
VOID
GetNameFromHandle (
IN EFI_HANDLE Handle,
OUT CHAR8 *GaugeString
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *Image;
CHAR8 *PdbFileName;
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
AsciiStrCpy (GaugeString, " ");
//
// Get handle name from image protocol
//
Status = gBS->HandleProtocol (
Handle,
&gEfiLoadedImageProtocolGuid,
(VOID **)&Image
);
if (EFI_ERROR (Status)) {
Status = gBS->OpenProtocol (
Handle,
&gEfiDriverBindingProtocolGuid,
(VOID **) &DriverBinding,
NULL,
NULL,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return ;
}
//
// Get handle name from image protocol
//
Status = gBS->HandleProtocol (
DriverBinding->ImageHandle,
&gEfiLoadedImageProtocolGuid,
(VOID **)&Image
);
}
PdbFileName = GetPdbPath (Image->ImageBase);
if (PdbFileName != NULL) {
GetShortPdbFileName (PdbFileName, GaugeString);
}
return ;
}
VOID
WriteBootToOsPerformanceData (
VOID
)
/*++
Routine Description:
Allocates a block of memory and writes performance data of booting to OS into it.
Arguments:
None
Returns:
None
--*/
{
EFI_STATUS Status;
EFI_CPU_ARCH_PROTOCOL *Cpu;
EFI_PHYSICAL_ADDRESS mAcpiLowMemoryBase;
UINT32 mAcpiLowMemoryLength;
UINT32 LimitCount;
PERF_HEADER mPerfHeader;
PERF_DATA mPerfData;
EFI_HANDLE *Handles;
UINTN NoHandles;
CHAR8 GaugeString[PERF_TOKEN_LENGTH];
UINT8 *Ptr;
UINT32 mIndex;
UINT64 Ticker;
UINT64 Freq;
UINT32 Duration;
UINT64 CurrentTicker;
UINT64 TimerPeriod;
UINTN LogEntryKey;
CONST VOID *Handle;
CONST CHAR8 *Token;
CONST CHAR8 *Module;
UINT64 StartTicker;
UINT64 EndTicker;
//
// Retrive time stamp count as early as possilbe
//
Ticker = AsmReadTsc ();
//
// Allocate a block of memory that contain performance data to OS
//
mAcpiLowMemoryBase = 0xFFFFFFFF;
Status = gBS->AllocatePages (
AllocateMaxAddress,
EfiReservedMemoryType,
4,
&mAcpiLowMemoryBase
);
if (EFI_ERROR (Status)) {
return ;
}
mAcpiLowMemoryLength = EFI_PAGES_TO_SIZE(4);
Ptr = (UINT8 *) ((UINT32) mAcpiLowMemoryBase + sizeof (PERF_HEADER));
LimitCount = (mAcpiLowMemoryLength - sizeof (PERF_HEADER)) / sizeof (PERF_DATA);
//
// Initialize performance data structure
//
ZeroMem (&mPerfHeader, sizeof (PERF_HEADER));
//
// Get CPU frequency
//
Status = gBS->LocateProtocol (
&gEfiCpuArchProtocolGuid,
NULL,
(VOID **)&Cpu
);
if (EFI_ERROR (Status)) {
gBS->FreePages (mAcpiLowMemoryBase, 4);
return ;
}
//
// Get Cpu Frequency
//
Status = Cpu->GetTimerValue (Cpu, 0, &(CurrentTicker), &TimerPeriod);
if (EFI_ERROR (Status)) {
gBS->FreePages (mAcpiLowMemoryBase, 4);
return ;
}
Freq = DivU64x32 (1000000000000ULL, (UINTN) TimerPeriod);
mPerfHeader.CpuFreq = Freq;
//
// Record BDS raw performance data
//
mPerfHeader.BDSRaw = Ticker;
//
// Put Detailed performance data into memory
//
Handles = NULL;
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&NoHandles,
&Handles
);
if (EFI_ERROR (Status)) {
gBS->FreePages (mAcpiLowMemoryBase, 4);
return ;
}
//
// Get DXE drivers performance
//
for (mIndex = 0; mIndex < NoHandles; mIndex++) {
Ticker = 0;
LogEntryKey = 0;
while ((LogEntryKey = GetPerformanceMeasurement (
LogEntryKey,
&Handle,
&Token,
&Module,
&StartTicker,
&EndTicker)) != 0) {
if ((Handle == Handles[mIndex]) && (StartTicker < EndTicker)) {
Ticker += (EndTicker - StartTicker);
}
}
Duration = (UINT32) DivU64x32 (
Ticker,
(UINT32) Freq
);
if (Duration > 0) {
ZeroMem (&mPerfData, sizeof (PERF_DATA));
GetNameFromHandle (Handles[mIndex], GaugeString);
AsciiStrCpy (mPerfData.Token, GaugeString);
mPerfData.Duration = Duration;
CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
Ptr += sizeof (PERF_DATA);
mPerfHeader.Count++;
if (mPerfHeader.Count == LimitCount) {
goto Done;
}
}
}
gBS->FreePool (Handles);
//
// Get inserted performance data
//
LogEntryKey = 0;
while ((LogEntryKey = GetPerformanceMeasurement (
LogEntryKey,
&Handle,
&Token,
&Module,
&StartTicker,
&EndTicker)) != 0) {
if ((Handle == NULL) && (StartTicker <= EndTicker)) {
ZeroMem (&mPerfData, sizeof (PERF_DATA));
AsciiStrnCpy (mPerfData.Token, Token, DXE_PERFORMANCE_STRING_SIZE);
mPerfData.Duration = (UINT32) DivU64x32 (
EndTicker - StartTicker,
(UINT32) Freq
);
CopyMem (Ptr, &mPerfData, sizeof (PERF_DATA));
Ptr += sizeof (PERF_DATA);
mPerfHeader.Count++;
if (mPerfHeader.Count == LimitCount) {
goto Done;
}
}
}
Done:
ClearDebugRegisters ();
mPerfHeader.Signiture = 0x66726550;
//
// Put performance data to memory
//
CopyMem (
(UINT32 *) (UINT32) mAcpiLowMemoryBase,
&mPerfHeader,
sizeof (PERF_HEADER)
);
gRT->SetVariable (
L"PerfDataMemAddr",
&gEfiGlobalVariableGuid,
EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,
sizeof (UINT32),
(VOID *) &mAcpiLowMemoryBase
);
return ;
}

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EdkModulePkg/Library/EdkGenericBdsLib/Performance.h Normal file
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/*++
Copyright (c) 2006, Intel Corporation
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.
Module Name:
Performance.h
Abstract:
This file included the performance relete function header and
definition.
--*/
#ifndef _PERF_H_
#define _PERF_H_
#define PERF_TOKEN_LENGTH 28
#define PERF_PEI_ENTRY_MAX_NUM 50
typedef struct {
CHAR8 Token[PERF_TOKEN_LENGTH];
UINT32 Duration;
} PERF_DATA;
typedef struct {
UINT64 BootToOs;
UINT64 S3Resume;
UINT32 S3EntryNum;
PERF_DATA S3Entry[PERF_PEI_ENTRY_MAX_NUM];
UINT64 CpuFreq;
UINT64 BDSRaw;
UINT32 Count;
UINT32 Signiture;
} PERF_HEADER;
VOID
WriteBootToOsPerformanceData (
VOID
);
VOID
ClearDebugRegisters (
VOID
);
#endif