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Update the code of processing device path info in browser to follow UEFI spec.

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Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14076 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10
2013-01-22 09:49:44 +00:00
parent 7f7dba5c86
commit 80a047f04a
8 changed files with 57 additions and 88 deletions
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79
MdeModulePkg/Universal/SetupBrowserDxe/Ui.c
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@@ -1,7 +1,7 @@
/** @file
Utility functions for User Interface functions.
Copyright (c) 2004 - 2012, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2004 - 2013, Intel Corporation. All rights reserved.<BR>
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
@@ -1970,55 +1970,6 @@ FormSetGuidToHiiHandle (
return HiiHandle;
}
/**
Transfer the device path string to binary format.
@param StringPtr The device path string info.
@retval Device path binary info.
**/
EFI_DEVICE_PATH_PROTOCOL *
ConvertDevicePathFromText (
IN CHAR16 *StringPtr
)
{
UINTN BufferSize;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
CHAR16 TemStr[2];
UINT8 *DevicePathBuffer;
UINTN Index;
UINT8 DigitUint8;
ASSERT (StringPtr != NULL);
BufferSize = StrLen (StringPtr) / 2;
DevicePath = AllocatePool (BufferSize);
ASSERT (DevicePath != NULL);
//
// Convert from Device Path String to DevicePath Buffer in the reverse order.
//
DevicePathBuffer = (UINT8 *) DevicePath;
for (Index = 0; StringPtr[Index] != L'\0'; Index ++) {
TemStr[0] = StringPtr[Index];
DigitUint8 = (UINT8) StrHexToUint64 (TemStr);
if (DigitUint8 == 0 && TemStr[0] != L'0') {
//
// Invalid Hex Char as the tail.
//
break;
}
if ((Index & 1) == 0) {
DevicePathBuffer [Index/2] = DigitUint8;
} else {
DevicePathBuffer [Index/2] = (UINT8) ((DevicePathBuffer [Index/2] << 4) + DigitUint8);
}
}
return DevicePath;
}
/**
Process the goto op code, update the info in the selection structure.
@@ -2064,16 +2015,32 @@ ProcessGotoOpCode (
if (Selection->Form->ModalForm) {
return Status;
}
//
// Goto another Hii Package list
//
if (mPathFromText != NULL) {
DevicePath = mPathFromText->ConvertTextToDevicePath(StringPtr);
if (DevicePath != NULL) {
Selection->Handle = DevicePathToHiiHandle (DevicePath);
FreePool (DevicePath);
}
FreePool (StringPtr);
} else {
//
// Not found the EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL protocol.
//
do {
CreateDialog (4, TRUE, 0, NULL, &Key, gEmptyString, gProtocolNotFound, gPressEnter, gEmptyString);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
if (Repaint != NULL) {
*Repaint = TRUE;
}
FreePool (StringPtr);
return Status;
}
Selection->Action = UI_ACTION_REFRESH_FORMSET;
DevicePath = ConvertDevicePathFromText (StringPtr);
Selection->Handle = DevicePathToHiiHandle (DevicePath);
FreePool (DevicePath);
FreePool (StringPtr);
if (Selection->Handle == NULL) {
//
// If target Hii Handle not found, exit