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1) Use FeatureFlag PcdPciBusHotplugDeviceSupport to merge LightPciLib.c with PcdLib.c.

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2) Correct some minor bugs: when invoking gRT->GetVariable the Attributes field can be optianal.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2090 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qwang12
2006-12-13 03:11:47 +00:00
parent bc022470e4
commit 6874dbd0e2
9 changed files with 766 additions and 76 deletions
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26
EdkModulePkg/Bus/Pci/PciBus/Dxe/PciBus.msa
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@@ -6,18 +6,15 @@
<GuidValue>93B80004-9FB3-11d4-9A3A-0090273FC14D</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for PciBus module.</Abstract>
<Description>PCI bus driver. This module will probe all PCI devices and allocate MMIO and IO
space for these devices.
LightPcdLib.c tagged with "ToolCode="DUMMY"" is light weight verison for PCI library
function. This version provide simple implementation and do not support hot plug. Only one
between PcdLib.c and LightPcdLib.c can be choosed.
</Description>
<Description>PCI bus driver. This module will probe all PCI devices and allocate MMIO and IO
space for these devices. Please use PCD feature flag PcdPciBusHotplugDeviceSupport to enable
support hot plug.</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,
<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>
@@ -93,7 +90,6 @@
<Filename>pcibus.c</Filename>
<Filename>PciIo.c</Filename>
<Filename>PciLib.c</Filename>
<Filename ToolCode="DUMMY">LightPciLib.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
@@ -178,5 +174,11 @@
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<HelpText>Whether VGA decoding is enabled on this platform so we should avoid those aliased resources</HelpText>
</PcdEntry>
<PcdEntry PcdItemType="FEATURE_FLAG" Usage="ALWAYS_CONSUMED">
<C_Name>PcdPciBusHotplugDeviceSupport</C_Name>
<TokenSpaceGuidCName>gEfiGenericPlatformTokenSpaceGuid</TokenSpaceGuidCName>
<DefaultValue>TRUE</DefaultValue>
<HelpText>If TRUE, the PCI bus driver will support hot plug device. If not hot plug device is supported, this feature flag can be set to FALSE to save size.</HelpText>
</PcdEntry>
</PcdCoded>
</ModuleSurfaceArea>