Intel(R) Platform Innovation Framework for EFI | |
EFI Development Kit II (EDK II) | |
Root Package 1.00 | |
2006-07-18 | |
Intel is a trademark or registered trademark of Intel Corporation or its | |
subsidiaries in the United States and other countries. | |
* Other names and brands may be claimed as the property of others. | |
Copyright (c) 2006, Intel Corporation | |
This document provides updates to documentation, along with a description on | |
how to install and build the EDK II. | |
Package Contents | |
---------------- | |
ReleaseNote.txt- These release notes for the package. | |
MdePkg - Industry-standard headers and libraries | |
Tools - Build -specific tools that are designed to help the | |
developer create and modify drivers and libraries | |
EdkModulePkg - Reference drivers | |
EdkFatBinPkg - Binary DXE drivers for the Fat 32 file system | |
EdkShellBinPkg - Binary Shell applications and commands | |
EdkNt32Pkg - NT32 Emulation platform reference | |
Note: MDE and MDK that appear in other documentation refer to the MdePkg and | |
Tools packages, respectively. While, these two packages are the minimum | |
requirement for developing EDK II Packageswe recommend that you download all | |
of the top-level files listed above. | |
The following package is available as a separate project, under a separate | |
license, on the TianoCore.org website: https://fat-driver2.tianocore.org | |
EdkFatPkg - A package containing source DXE drivers for the Fat 32 file | |
system | |
Documents have the following filenames (to download these documents, see Notes | |
on Documentation later in these Release Notes): | |
EDK II Module Development Environment Library Specification, v0.58 | |
(MDE_Library_Spec_0_58.rtf) | |
EDK II Build and Packaging Architecture Specification, v0.53 | |
(Build_Packaging_Spec_0_53.rtf) | |
EDK II Platform Configuration Database Infrastructure Description, v0.54 | |
(PCD_Infrastructure_0_54.rtf) | |
EDK II Module Surface Area Specification, v0.51 | |
(Module_Surface_Area_0_50.rtf) | |
EDK II Module Development Environment Package Specification, v0.51 | |
(MDE_Package_Spec_0_51.rtf) | |
EDK II C Coding Standards Specification v0.51 | |
(C_Coding_Standards_Specification_ 0_51.rtf) | |
EDK II Subversion Setup Guide | |
(edk2-subversion-setup.rtf) | |
Pre-Requisites | |
-------------- | |
The following list of tools must be installed on the development workstation | |
prior to using the EDK II. | |
Compiler Tool Chain | |
Microsoft* Visual Studio .NET 2003* (http://www.microsoft.com) | |
or | |
A special GCC version 4.x or later (http://gcc.gnu.org). See below. | |
Assembler Tool Chain | |
Microsoft Macro Assembler, version 6.15 or later | |
or | |
GNU binutils 2.16.1 or later | |
Java Development Kit ( Java 5.0 or later) | |
Sun* jdk-1.5.0_06 or later (http://java.sun.com) | |
or | |
Bea Systems* jrockit-25.2.0-jdk1.5.0_03 or later (http://www.bea.com) | |
Java Tools | |
Apache-ANT, version 1.6.5 or later (http://ant.apache.org) | |
Ant-contrib, version 1.0b2 or later | |
(http://prdownloads.sourceforge.net/ant-contrib/ant-contrib-1.0b2-bin.zip?download) | |
Saxon8, version 8.1.1 | |
(http://prdownloads.sourceforge.net/saxon/saxonb8-1-1.zip?download) | |
XMLBeans, version 2.1.0 (http://xmlbeans.apache.org) | |
DO NOT download the latest XMLBeans, version 2.2.0. It is not compatible | |
with Saxon8, version 8.1.1. | |
Other Tools | |
TortoiseSVN version 1.3.3. (http://tortoisesvn.tigris.org/) | |
Optional Tools | |
-------------- | |
Compiler Tool Chains: | |
Intel(R) C++ Compiler for Windows*, ver. 9.0 or later (http://www.intel.com) | |
Intel(R) C Compiler for EFI Byte Code, ver. 1.2 or later | |
(http://www.intel.com/cd/software/products/asmo-na/eng/compilers/efibc/index.htm) | |
Microsoft Driver Development Kit, version 3790.1830 or later | |
(http://www.microsoft.com/whdc/devtools/ddk/orderddkcd.mspx) | |
Microsoft ACPI Source Language Assembler, Version 1.0.13NT or later | |
Intel ACPI Component Architecture, version 20060113 | |
----------------------------------------------- | |
Notes on Required Tools (Source Control System) | |
----------------------------------------------- | |
The EDK II is being managed by the Subversion Source Control on Tianocore.org. | |
Subversion provides speed, security, and additional features. The | |
recommended client is TortoiseSVN version 1.3.3. | |
(Available at http://tortoisesvn.tigris.org/) | |
The checkout procedures on the Tianocore.org Web site include | |
instructions for the use of Subversion Source Control. | |
The URL of the EDK II repository is: | |
https://edk2.tianocore.org/svn/edk2/trunk/edk2 | |
-------------------------------------------------------------------- | |
Notes On Required Tools (With examples for Windows, OS X, and Linux*) | |
-------------------------------------------------------------------- | |
Software Installation Order: | |
After installing the compiler tools and your Subversion client, install the | |
following required tools in this order: | |
1. Java JDK | |
2. Apache-Ant | |
3. ant-contrib | |
4. xmlbeans | |
5. saxon8 | |
Java Development Kit: | |
The Java Environment Variable must be set before attempting to build. | |
For Sun JDK (see note below): | |
set JAVA_HOME=c:\Java\jdk1.5.0_06 (Windows example) | |
export JAVA_HOME=/Library/Java/Home/ (OS X example) | |
export JAVA_HOME=/usr/lib/j2sdk1.5-sun/ (Linux example) | |
For Bea Systems: | |
set JAVA_HOME=c:\Java\jrockit-R26.0.0-jdk1.5.0_04 | |
When using the Sun JDK5.0: | |
During installation, you should specify the install directory as C:\Java | |
instead of C:\Program Files\(or some other drive letter.) While installing | |
to this non-standard location is not required, in practice, it seems to work | |
more reliably. | |
For the JDK, the install path is C:\Java\jdk1.5.0_06 | |
For the JRE, the install path is C:\Java\jre1.5.0_06 | |
Alternatively, you can specify C:\sunjavajdk and C:\sunjavajre. | |
NOTE: You cannot combine the location for the JDK and the JRE, because the | |
JRE install removes most of the binaries and libraries installed by the JDK | |
install. | |
Java Tools: | |
The Apache-ANT requires the ANT_HOME environment variable to be set before | |
attempting to build: | |
set ANT_HOME=c:\<full path to where ant was installed> | |
export ANT_HOME=~/ExternalTools/apache-ant (OS X and Linux example) | |
The ant-contrib.jar file should be installed in the %ANT_HOME%\lib | |
directory. | |
XMLBeans, requires the XMLBEANS_HOME environment variable to be set | |
before attempting to build: | |
set XMLBEANS_HOME=C:\<full path to where xmlbeans was installed> | |
export XMLBEANS_HOME=~/ExternalTools/xmlbeans (OS X and Linux example) | |
Copy the saxon8.jar file to the %XMLBEANS_HOME%\lib directory. | |
The Ant and XMLBean tools must be in the path. | |
MS system example: | |
set PATH=%PATH%;%ANT_HOME%\bin;%XMLBEANS_HOME%\bin | |
Linux/OS X bash shell example: | |
export PATH=$PATH:${ANT_HOME}/bin:${XMLBEANS_HOME}/bin | |
-------------------- | |
A Word on Apache-ANT | |
-------------------- | |
The Apache-ANT program is a build tool that uses XML-based project files. | |
Similar to Makefiles, these project files may contain multiple targets. Most | |
build.xml files in EDK II are auto-generated; any edits performed on the | |
build.xml files will be overwritten by the next build. | |
Pre-defined targets in the build.xml file include: | |
all - This target builds binaries for defined architectures. | |
clean - This target removes object files generated by commands. | |
cleanall - This target removes all generated files and directories. | |
---------------------------- | |
A Word on the GCC Tool Chain | |
---------------------------- | |
EDK II will not compile with a standard Linux gcc tool chain. While Linux | |
distributions are usually based on ELF, EDK II requires a version of gcc that | |
is configured to produce PE-COFF images. You will find a script in <Root of | |
EDK2 tree>/Tools/gcc/tianoCross-gcc-4.1 that will download, configure, compile, | |
and install a gcc 4.1 cross-compile tool chain for EDK II development. This | |
custom tool chain supports the IA-32 architecture. It can be built and run on | |
Cygwin, Linux, and many other POSIX-compliant host operating environments. To | |
compile the custom gcc tool chain, you need the following tools on your host | |
computer: bash, gcc, gmake, curl (or wget). | |
Only the MdePkg and EdkModulePkg are currently supported by gcc builds. Other | |
builds, such as the EdkNt32Pkg, will not compile with gcc. By default, the edk2 | |
will try to build the NT32.fpd, which is not supported by gcc. So, you need to | |
change the Tools/Conf/target.txt. | |
The cross-compile build script has been tested on Cygwin, OS X and Linux. You | |
should expect to hack on these scripts to make them work on your system. You | |
may need to install additional tools on your system to make the scripts work. | |
You will need | |
A recent version (3.0 or later should be fine) of gcc that is able to produce | |
executables for the machine that you want to run this compiler on (the host | |
machine). | |
wget or curl (which enables the download of the gcc compiler source code) | |
tar | |
bzip | |
gzip | |
bash | |
and possibly others | |
CYGWIN Notes | |
You should setup cygwin to use binmode on all mounts. When you initially | |
install cygwin it gives you the choice of Unix file mode (recommended) or DOS | |
file mode. Unix mode will cause all the cygwin directories to be mounted in | |
binmode, while DOS will mount the dirs in textmode. Here is an example of a | |
cygwin install where the dirs are (properly) mounted in binmode. | |
C:\cygwin\bin on /usr/bin type user (binmode) | |
C:\cygwin\lib on /usr/lib type user (binmode) | |
c:\workspace on /workspace type system (binmode) | |
C:\cygwin on / type user (binmode) | |
If you use textmode, it is likely that the build will fail in a way that is | |
hard to debug. | |
Cygwin is pretty slow, so it is not recommended for large builds. | |
The platform to be built is identified by the Tools/Conf/target.txt file: | |
# | |
# PROPERTY Type Use Description | |
# ---------------- -------- -------- ----------------------------------------------------------- | |
# ACTIVE_PLATFORM Filename Recommended Specify the WORKSPACE relative Path and Filename | |
# of the platform FPD file that will be used for the build | |
# This line is required if and only if the current working | |
# directory does not contain one or more FPD files. | |
ACTIVE_PLATFORM = | |
You can leave it black, as above, or set it to any .fpd file in the workspace. | |
If you leave it blank, then you just cd to the dir that contains the .fpd that | |
you would like to build (MdePkg/ or EdkModulePkg/) and then type build. | |
---------------------------- | |
A Word on compiling on Linux | |
---------------------------- | |
In order to compile on Linux, you will need to have the e2fsprogs-dev package | |
installed. Check your distribution for the rpm, deb or other package format. | |
This package contains the uuid library and header that are used by some of the | |
host tools. | |
If you are running on x86_64 Linux, then you should install a 64 bit version of | |
the Java JDK. The version that was used was jdk-1_5_0_07-linux-amd64-rpm.bin. | |
It may be downloaded from sun.com. | |
----------------------------------------- | |
A Word on compiling under Cygwin with gcc | |
----------------------------------------- | |
Cygwin is a POSIX style operating environment for Windows. It is possible to | |
compile the EDK 2 using gcc and cygwin. Compiling under cygwin is slow, because | |
the underlying file accesses are slow in cygwin. For this reason, we do not | |
encourage the use of cygwin. A true unix system will be a superior choice for | |
those wishing to compile with gcc. | |
Make sure that you select the e2fsprogs development package when you install | |
cygwin. It is necessary for the GenFvImage tool. | |
---------------------------------------- | |
A Word on gcc for Processor Architectures | |
---------------------------------------- | |
Currently gcc support is limited to IA-32 builds, generating IA-32 PE32 images. | |
The X64 bit (Intel 64, etc.) support under the gcc compiler does not support the EFIAPI | |
calling convention (as defined in the UEFI 2.0 specification Chapter 2), so it is not | |
possible to build a working EFI image for an X64 environment. Since the x64 gcc does | |
not support the EFIAPI calling convention the x64 tools do not support generating a | |
PE32+ image. The EFIAPI calling convention is very similar to the Microsoft x64 | |
calling convention. | |
On Itanium® Processors the gcc compiler does not support generating a PE32+ image. | |
----------------------- | |
Notes on Documentation | |
----------------------- | |
The documents are being managed by the Subversion Source Control on | |
Tianocore.org. The document repository is "docs" and must be checked out | |
separately from the EDK II source tree. Refer to the checkout procedures on | |
the Tianocore.org Web site for EDK II. | |
The URL of the document repository is: | |
https://edk2.tianocore.org/svn/edk2/trunk/docs | |
------------------------------------------------------------------------------- | |
Quick Start | |
----------- | |
(assumes Microsoft Tools and OS environment, for GCC Tools or Linux, see | |
"Detailed Starting Instructions" below) | |
Follow the instructions at https://edk2.tianocore.org/servlets/ProjectSource to | |
check out the entire EDK II source tree. | |
In a command window, change to the top-level directory of the EDK II source. | |
To test your tool chain setup and to build the supplied tools, execute: | |
c:\MyWork\edk2\> edksetup ForceRebuild | |
(The edksetup script is referred to as the setup command throughout the | |
rest of this document.) | |
NOTE: You should run the setup command at the start of every session. | |
This configures the environment to include the TianoTools and the | |
Java applications and libraries. | |
You will need to set the WORKSPACE environment variable, or run the edksetup | |
script (without any arguments), any time you want to build. | |
Set the WORKSPACE environment variable, e.g.: | |
c:\> set WORKSPACE=C:\MyWork\edk2 | |
You may need to edit the text files Tools/Conf/target.txt and | |
Tools/Conf/tools_def.txt (created by edksetup) using your favorite | |
text editor to ensure that the paths to the tools you want to use | |
to build EDK II binaries are correct. These files contain the default | |
paths (as per the default installation of the tools), so a customized | |
install may require this manual process. | |
Once this is completed, you are ready to test the build, by executing: | |
c:\MyWork\edk2\> build | |
This command builds the active platform specified in text file target.txt. If | |
the active platform is not specified target.txt, you must execute the build | |
command from the sub-directory that contains FPD files. For more information | |
about the active platform policy, see the EDK II Build and Packaging | |
Architecture Specification. | |
------------------------------------------------------------------------------- | |
Detailed Starting Instructions | |
------------------------------ | |
Follow the instructions at https://edk2.tianocore.org/servlets/ProjectSource to | |
check out the entire EDK II source tree. | |
In a command window, change to the top-level directory of the EDK II source. | |
If the active compiler tool chain is GCC, you must set the | |
environment variable, TOOL_CHAIN to "gcc" before running the | |
edksetup script. Example: export TOOL_CHAIN=gcc | |
To test your tool chain setup and to build the supplied tools, execute: | |
c:\MyWork\edk2\> edksetup ForceRebuild | |
On Linux systems, you must source the edksetup.sh file to load the correct | |
settings into your shell. | |
. edksetup.sh # Note the dot. | |
If you have recently updated your code from subversion, the tools will need to | |
be rebuilt if there were any code changes made to them. You can request that | |
the tools get rebuilt by typing: | |
. edksetup.sh Rebuild # Unix-like systems | |
edksetup.bat Rebuild # Windows | |
The edksetup script is referred to as the setup command throughout the | |
rest of this document. | |
NOTE: You should run the setup command at the start of every session. | |
This configures the environment to include the TianoTools and the | |
Java applications and libraries. | |
Any changes to the tool source code or XML Schema documents require that | |
you execute the following: | |
c:\MyWork\edk2\> edksetup ForceRebuild | |
You must set the WORKSPACE environment variable, or run the edksetup | |
script (without any arguments), any time you want to build. | |
Set the WORKSPACE environment variable, e.g.: | |
c:\> set WORKSPACE=C:\MyWork\edk2 | |
You may need to edit the text files Tools/Conf/target.txt and | |
Tools/Conf/tools_def.txt (created by edksetup) using your favorite | |
text editor to ensure that the paths to the tools you want to use | |
to build EDK II binaries are correct. These files contain the default | |
paths (as per the default installation of the tools), so a customized | |
tool installation may require this manual process. | |
Once this is completed, you are ready to test the build, by executing: | |
c:\MyWork\edk2\> build | |
This command builds the active platform specified in text file target.txt. If | |
the active platform is not specified, go to the sub-directory that contains FPD | |
files and execute the build command. For more information about the active | |
platform policy, see the EDK II Build and Packaging Architecture | |
Specification. | |
-------------------------- | |
Individual Platform Builds | |
-------------------------- | |
After running the setup command, you can build individual platforms. | |
In the command window: | |
Set the active platform in target.txt, and execute this command: | |
c:\<directory>\> build | |
or | |
cd to the platform (FPD file) that you want to build and execute this command: | |
c:\MyWork\edk2\EdkNt32Pkg\> build | |
Note that the active platform specified in target.txt overrides the platform | |
specified by any FPD file in the current directory. For more information | |
about active platform policy, see the EDK II Build and Packaging Architecture | |
Specification. | |
To run the Nt32 emulation platform under Microsoft Windows, go to | |
<full build path>\DEBUG\MSFT\IA32 and execute SecMain.exe | |
To exit the Nt32 emulation platform, type reset at the EFI Shell> | |
command prompt. Alternatively, from the graphical interface, select the Boot | |
Maintenance Manager's Reset System command. | |
NOTE: When creating a new platform, the Platform Name is restricted | |
to a single word containing alphanumeric characters, underscore, dash, | |
and period. The space character and other special characters are | |
not allowed. | |
----------------------- | |
Notes on Symbolic Debug | |
----------------------- | |
To enable EFI Symbolic Debugging, make sure the target output is set to DEBUG | |
in the text file Tools/Conf/target.txt and then modify the FPD <BuildOptions> | |
<Options><Option BuildTargets="DEBUG" ToolCode="CC"> and append the following | |
compiler options to the string: | |
"/D EFI_GENERATE_SYM_FILE", "/D EFI_SYMBOLIC_DEBUG" | |
(If the Option line does not contain "/D EFI_DEBUG", you must add that | |
option as well.) | |
------------------------ | |
Individual Module Builds | |
------------------------ | |
After running the setup command, you can build individual modules. | |
In the command window, cd to the module that you want to build, and | |
execute the build command: | |
c:\MyWork\edk2\MdePkg\Library\BaseLib\> build | |
You must set the active platform in target.txt for individual module builds. | |
------------------------------------------------------------------------------- | |
General Information: | |
=============================================================== | |
Mechanisms | |
---------- | |
A brief overview: | |
A) The Surface Area Package Description (SPD) file contains information about | |
the modules that the package contains, including the location of all MSA files, | |
and public library names and headers that might be provided by a module in the | |
package. Packages are defined by SPD files. (Found in the root of the Package | |
subdirectory (i.e. EdkNt32Pkg).) The SPD file is further explained in EDK II | |
Build and Packaging Architecture Specification. | |
B) Module Surface Area Definition (MSA) files. A description of a module's | |
surface area, with all module specific default flags and features specified. | |
For additional details, see the "EDK II Module Surface Area Specification" and | |
the "EDK II Build and Packaging Architecture Specification." | |
C) Framework Platform Description (FPD) files. A description of a platform's | |
surface are, including a list of modules that are needed by the platform. To | |
support individual module builds, developers are not required to provide | |
information about specific flash devices, nor flash device layout. | |
Specific sections in the FPD file control aspects of the build, such | |
as the Supported Architectures and Build Targets, as well as the tool flags | |
that are used to create the binary files. A valid platform file can specify | |
zero or more modules, so individual modules can be compiled within the context | |
of a platform (FPD) definition. | |
D) Platform Configuration Database (PCD). A platform database that contains a | |
variety of current platform settings or directives that can be accessed by a | |
driver or application. The PCD is defined by the PCD_Protocol (This is | |
further explained in the "EDK II Platform Configuration Database Infrastructure | |
Description." | |
E) Library Class. A library class is a logical grouping of similar functions. | |
When developing components, the module surface area declares the class of | |
libraries that can be used by the component. The MSA and SPD files can specify | |
a recommended instance of the library that a platform integrator (PI) may | |
select, however this is only a recommendation. The PI may choose to select a | |
different library instance to be used during compilation and linking. All | |
library type modules must include header files in their distribution package, | |
as well as their MSA files. Components, on the other hand, need provide only an | |
MSA file and either source or binary files when distributing packages. The | |
Library Classes are further explained in the "EDK II Build and Packaging | |
Architecture Specification." | |
========================================================================= | |
The common operations by developers of new modules are: | |
----------------------------------------------- | |
1) Manually creating a new module in a package: | |
- The module source code must first be created in an appropriate directory | |
(under the package the module is to be a part of.) | |
- An MSA file must be created, spelling out all aspects of the module. | |
- The MSA must be added to the SPD for the package to include the module. | |
----------------------------------------------------- | |
2) Adding and Removing modules to and from a package: | |
- Set up environment as Build | |
- Adding a module to a package: | |
- Generate the MSA file | |
- Add a new <Filename> element under <MsaFiles> into | |
<PackageDir>\<PackageName>.spd, using arelative path to the package | |
- Add a new <ModuleSA> entry under each <FrameworkModules> into the | |
<PackageDir>\<PackageName>.fpd file if necessary. | |
- Removing a module from a package: | |
- Comment out or remove the corresponding <Filename> element under | |
<MsaFiles> from <PackageDir>\<PackageName>.spd | |
- Comment out or remove the corresponding <ModuleSA> entry under each | |
<FrameworkModules> from <PackageDir>\<PackageName>.fpd if necessary. | |
------------------------------- | |
3) Manually creating a package: | |
- Identify the modules that are to be members of the project. | |
- Identify the Variables and Guids required in and of the Package (including | |
consumption and production information). | |
- Create an SPD file defining these modules and calling out their MSA files. | |
- Add a new <Filename> element under <PackageList> into | |
Tools\Conf\FrameworkDatabase.db, using the relative path to the workspace. | |
----------------------------------------- | |
4) Declaring a new Protocol in a package: | |
- This release requires manual editing of the SPD file, adding the protocol | |
to the ProtocolDeclarations section of the file. | |
- Add the Protocol .h file to the Include\Protocol directory. | |
- Add an <Entry> to the <ProtocolDeclarations> element in the | |
<PackageName>.spd file | |
- Each line contains Protocol base name, followed by the global variable | |
name, and the hex value of the Protocol GUID. | |
Example Protocol Entries (NOTE: The Guid entry is a single line in the SPD | |
file): | |
<ProtocolDeclarations> | |
<Entry Name="Bds"> | |
<C_Name>gEfiBdsArchProtocolGuid</C_Name> | |
<GuidValue>665E3FF6-46CC-11D4-9A38-0090273FC14D</GuidValue> | |
<HelpText/> | |
</Entry> | |
<Entry Name="Cpu"> | |
<C_Name>gEfiCpuArchProtocolGuid</C_Name> | |
<GuidValue>26BACCB1-6F42-11D4-BCE7-0080C73C8881</GuidValue> | |
<HelpText/> | |
</Entry> | |
</ProtocolDeclarations> | |
------------------------------------ | |
5) Declaring a new PPI in a package: | |
- This release requires manual editing of the SPD file | |
- Add the PPI .h file to the Include\Ppi directory. | |
- Add an <Entry> to the package <PpiDeclarations> element in the | |
<PackageName>.spd file | |
- Each line contains the PPI base name, followed by the global variable | |
name and the hex value of the PPI GUID. | |
Example Ppi Entries (NOTE: The Guid entry is a single line in the SPD file): | |
<PpiDeclarations> | |
<Entry Name="BootInRecoveryMode"> | |
<C_Name>gEfiPeiBootInRecoveryModePpiGuid</C_Name> | |
<GuidValue>17EE496A-D8E4-4B9A-94D1-CE8272300850</GuidValue> | |
<HelpText/> | |
</Entry> | |
<Entry Name="CpuIo"> | |
<C_Name>gEfiPeiCpuIoPpiInServiceTableGuid</C_Name> | |
<GuidValue>E6AF1F7B-FC3F-46DA-A828-A3B457A44282</GuidValue> | |
<HelpText/> | |
</Entry> | |
</PpiDeclarations> | |
------------------------------------- | |
6) Declaring a new GUID in a package: | |
- This release requires manual editing of the SPD file to include the new | |
Guid. This is identical to adding a ProtocolDeclaration or PpiDeclaration | |
element, as described above. | |
------------------------------------------ | |
7) Declaring a new PCD entry in a package: | |
- This release requires manual editing of the SPD file to include the new | |
PCD. New Pcd entries are added to the PcdDefinitions section of the | |
<PackageName>.spd file using the following example for the format | |
(NOTE: The hex <Token> value must be unique): | |
<PcdDeclarations> | |
<PcdEntry ItemType="FIXED_AT_BUILD"> | |
<C_Name>PcdMaximumUnicodeStringLength</C_Name> | |
<Token>0x00000001</Token> | |
<TokenSpaceGuidCName>gEfiMdePkgTokenSpaceGuid</TokenSpaceGuidCName> | |
<DatumType>UINT32</DatumType> | |
<ValidUsage>FIXED_AT_BUILD</ValidUsage> | |
<DefaultValue>1000000</DefaultValue> | |
<HelpText>The maximum lengh for unicode string.</HelpText> | |
</PcdEntry> | |
</PcdDeclarations> | |
------------------------------ | |
8) Declaring a new Library Class: | |
- This release requires manual editing of the SPD file to include the new | |
Library Class. New Library Class entries are added to the | |
LibraryClassDeclarations section of the <PackageName>.spd file using | |
the following example for the format: | |
<LibraryClassDeclarations> | |
<LibraryClass Name="BaseLib"> | |
<IncludeHeader>Include/Library/BaseLib.h</IncludeHeader> | |
<HelpText/> | |
</LibraryClass> | |
<LibraryClass Name="BaseMemoryLib"> | |
<IncludeHeader>Include/Library/BaseMemoryLib.h</IncludeHeader> | |
<HelpText/> | |
</LibraryClass> | |
</LibraryClassDeclarations> | |
======================================================= | |
EDK II Changes Relative to the original EDK: | |
-------------------------------------------- | |
The EDK II represents significant changes in the structure of the EDK. | |
Therefore, it is very difficult to isolate all of the changes of this version of | |
the EDK with the original EDK. | |
Of particular note: | |
1) EDK II contains new hardware feature support for the ICH SMBUS Libraries. | |
These libraries are provided to make Memory Reference Code (MRC) development | |
easier. | |
2) The MDE libraries represent significant changes in source | |
(with only limited changes in functionality.) These new libraries conform | |
to the "EDK II Module Development Environment Library Specification. | |
3) The Fat Binary and the EDK Shell Binary Packages are functionally identical | |
to the original EDK. | |
4) The EDK tools directory has been expanded to include more tools and more | |
tool functionality. | |
5) The EDK NT32 section has been ported to the new build process, but | |
functionally remains the same as the original EDK. | |
6) The Application "HelloWorld" has been ported to EDK II as well. | |
======================================================= | |
Virus scanned by McAfee VirusScan Enterprise 8.0.0, Virus Definitions 4718, no | |
virus detected. | |