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Add DevicePathFromText support for ACPI _ADR node. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11445 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
niruiyu 2011-03-29 08:24:21 +00:00
parent e35b531794
commit 5b84091f3b
1 changed files with 47 additions and 1 deletions
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48
MdeModulePkg/Universal/DevicePathDxe/DevicePathFromText.c
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@ -1,7 +1,7 @@
/** @file
DevicePathFromText protocol as defined in the UEFI 2.0 specification.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2011, 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
@ -1137,6 +1137,51 @@ DevPathFromTextAcpiExp (
return (EFI_DEVICE_PATH_PROTOCOL *) AcpiEx;
}
/**
Converts a text device path node to ACPI _ADR device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created ACPI _ADR device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextAcpiAdr (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *DisplayDeviceStr;
ACPI_ADR_DEVICE_PATH *AcpiAdr;
UINTN Index;
AcpiAdr = (ACPI_ADR_DEVICE_PATH *) CreateDeviceNode (
ACPI_DEVICE_PATH,
ACPI_ADR_DP,
sizeof (ACPI_ADR_DEVICE_PATH)
);
ASSERT (AcpiAdr != NULL);
for (Index = 0; ; Index++) {
DisplayDeviceStr = GetNextParamStr (&TextDeviceNode);
if (IS_NULL (*DisplayDeviceStr)) {
break;
}
if (Index > 0) {
AcpiAdr = ReallocatePool (
DevicePathNodeLength (AcpiAdr),
DevicePathNodeLength (AcpiAdr) + sizeof (UINT32),
AcpiAdr
);
ASSERT (AcpiAdr != NULL);
SetDevicePathNodeLength (AcpiAdr, DevicePathNodeLength (AcpiAdr) + sizeof (UINT32));
}
(&AcpiAdr->ADR)[Index] = (UINT32) Strtoi (DisplayDeviceStr);
}
return (EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr;
}
/**
Converts a text device path node to Parallel Port device path structure.
@ -2769,6 +2814,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE DevPathFromTextTable[]
{L"ParallelPort", DevPathFromTextParallelPort},
{L"AcpiEx", DevPathFromTextAcpiEx},
{L"AcpiExp", DevPathFromTextAcpiExp},
{L"AcpiAdr", DevPathFromTextAcpiAdr},
{L"Ata", DevPathFromTextAta},
{L"Scsi", DevPathFromTextScsi},
{L"Fibre", DevPathFromTextFibre},