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Common instructions for Unix
Note: New build instructions are available. It is recommended to start with the new instructions if learning how to build edk2 for the first time. This page is retained for reference.
New instructions: Build Instructions
A significant portion of the steps are common on the various UNIX-like platforms. You should start with the instructions for the operating system that most closely matches your platform, and it will direct you here at the appropriate time.
Note these instructions are not for current Linux distributions, only UNIX-like systems that do not work with the Using EDK II with Native GCC instructions. Please follow the Using EDK II with Native GCC guide for mainstream Linux distros.
bash$ mkdir ~/src bash$ cd ~/src bash$ git clone https://github.com/tianocore/edk2
- Clone the EDK II project repository
- git clone https://github.com/tianocore/edk2
- Change to the edk2 directory
- Build the tools
- make -C BaseTools
- Run the edksetup.sh script
- . edksetup.sh
bash$ make -C edk2/BaseTools
In order to build UEFI images for x64, you will need to build a cross-compiler build of gcc. This can take quite a while to complete, possibly several hours on older systems. But, a Python script has been provided to automate this build process.
Note: This is only needed if behind a internet firewall!
bash$ export http_proxy=http://proxy.domain.com:proxy_port
To build gcc for x64, use these commands (this will take quite a while to complete):
bash$ cd ~/src/edk2/BaseTools/gcc bash$ ./mingw-gcc-build.py --arch=x64 \ --prefix=~/programs/gcc/x64
bash$ cd ~/src/edk2 bash$ export EDK_TOOLS_PATH=~/src/edk2/BaseTools bash$ . edksetup.sh BaseTools
You will need to edit the Conf/tools_def.txt and Conf/target.txt files. These changes will enable the MdeModulePkg to be built using the gcc x64 compiler.
For the Conf/tools_def.txt file, find the following entry and comment the line out:
DEFINE UNIXGCC_X64_PETOOLS_PREFIX = /opt/tiano/x86_64-pc-mingw64/x86_64-pc-mingw64/bin/
Next, find the following entry and uncomment the line:
DEFINE UNIXGCC_X64_PETOOLS_PREFIX = ENV(HOME)/programs/gcc/x64/bin/x86_64-pc-mingw32-
For the Conf/target.txt file, find the following lines:
ACTIVE_PLATFORM = Nt32Pkg/Nt32Pkg.dsc TARGET_ARCH = IA32 TOOL_CHAIN_TAG = MYTOOLS
And change the cooresponding lines to match these:
ACTIVE_PLATFORM = MdeModulePkg/MdeModulePkg.dsc TARGET_ARCH = X64 TOOL_CHAIN_TAG = UNIXGCC
Now you should be able to simply run the build command to compile the MdeModulePkg.
bash$ build
As a tangible result of the build, you should have the HelloWorld UEFI X64 application. If you have a X64 UEFI system available to you, then this application should be able to run successfully under the shell.
bash$ ls Build/MdeModule/DEBUG_UNIXGCC/X64/HelloWorld.efi
The above showed how to setup an X64 build environment for building the core MdeModulePkg. However, other packages may require additional tools such as an IA32 cross-compiler and an ASL compiler. The steps to build these tools are described in this section.
In order to build UEFI images for IA32, you will need to build a cross-compiler build of gcc. This can take quite a while to complete, possibly several hours on older systems. But, a Python script has been provided to automate this build process.
Note: This is only needed if behind a internet firewall!
bash$ export http_proxy=http://proxy.domain.com:proxy_port
To build gcc for IA32, use these commands (this will take quite a while to complete):
bash$ cd ~/src/edk2/BaseTools/gcc bash$ ./mingw-gcc-build.py --arch=ia32 \ --prefix=~/programs/gcc/ia32
Once the cross-compiler has been successfully built the Conf/tools_def.txt will need to be updated so the cross-compiler can be used.
Find the following statement in Conf/tools_def.txt and comment the line out:
DEFINE UNIXGCC_IA32_PETOOLS_PREFIX = /opt/tiano/i386-tiano-pe/i386-tiano-pe/bin/
Next, find the following statement and uncomment the line:
DEFINE UNIXGCC_IA32_PETOOLS_PREFIX = ENV(HOME)/programs/gcc/ia32/bin/i686-pc-mingw32-
To enable building your target image with IA32 support the Conf/target.txt will also need to be modified.
Find the TARGET_ARCH definition in Conf/target.txt and change the corresponding line to match this
TARGET_ARCH = IA32
The Intel ASL compiler is not required for all edk2 developers. It is unlikely that UEFI Application or UEFI Driver builds will need an ASL compiler. But, if you are building an entire system firmware image, then you may need an ASL compiler. For example, the edk2 OVMF sample platform does require an ASL compiler in order to be built.
First, download the latest ACPI-CA release from http://www.acpica.org.
OS X users: At this time, the latest versions of ACPI-CA are not building on Mac OS X, so please use the release from 20081031 instead.
bash$ cd ~/src bash$ wget http://www.acpica.org/download/acpica-unix-20090521.tar.gz bash$ tar -zxf acpica-unix-20090521.tar.gz bash$ make -C acpica-unix-20090521/compiler bash$ ln -s ~/src/acpica-unix-20090521/compiler/iasl ~/programs/iasl
Once the Intel ASL compiler has been successfully built the Conf/tools_def.txt will need to be updated so the ASL compiler can be used.
Find the following statement in Conf/tools_def.txt and comment the line out:
DEFINE UNIX_IASL_BIN = /usr/bin/iasl
Next, find the following statement and uncomment the line:
DEFINE UNIX_IASL_BIN = $(HOME)/programs/iasl
Build OVMF
Once your build environment is set up you might be interested in building the OVMF platform which is included in the main edk2 source tree. Since OVMF builds a full system firmware image this may be of interest to UEFI system firmware developers.
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