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/*
* Miscellaneous instructions for building and using the iASL compiler.
*/
1) Generating iASL from source
------------------------------
Generation of the ASL compiler from source code requires these items:
1) The ACPICA source code tree.
2) An ANSI C compiler.
3) The Flex (or Lex) lexical analyzer generator.
4) The Bison (or Yacc) parser generator.
There are three major ACPICA source code components that are required to
generate the compiler (Basically, the entire ACPICA source tree should
be installed):
1) The ASL compiler source.
2) The ACPICA Core Subsystem source. In particular, the Namespace
Manager component is used to create an internal ACPI namespace
and symbol table, and the AML Interpreter is used to evaluate
constant expressions.
3) The "common" source directory that is used for all ACPI components.
On Linux/Unix systems, the following commands will build the compiler:
cd acpica (or cd acpica/generate/unix)
make clean
make iasl
On Windows, the Visual Studio 2008 project file appears in this directory:
generate/msvc9/AcpiComponents.sln
1a) Notes for Windows GNU Flex and GNU Bison
--------------------------------------------
The Windows versions of GNU Flex/Bison must be installed, and they must
be installed in a directory that contains no embedded spaces in the
pathname. They cannot be installed in the default "c:\Program Files"
directory. This is a bug in Bison. The default Windows project file for
iASL assumes that these tools are installed at this location:
c:\GnuWin32
Once the tools are installed, ensure that this path is added to the
default system $PATH environment variable:
c:\GnuWin32\bin
At this point, you will need to reboot Windows to make system aware of
the updated $PATH.
iASL has been generated with these versions of Flex/Bison for Windows:
Flex for Windows: V2.5.4
Bison for Windows: V2.4.1
Flex is available at: http://gnuwin32.sourceforge.net/packages/flex.htm
Bison is available at: http://gnuwin32.sourceforge.net/packages/bison.htm
2) Integration as a custom tool for Visual Studio
-------------------------------------------------
This procedure adds the iASL compiler as a custom tool that can be used
to compile ASL source files. The output is sent to the VC output
window.
a) Select Tools->Customize.
b) Select the "Tools" tab.
c) Scroll down to the bottom of the "Menu Contents" window. There you
will see an empty rectangle. Click in the rectangle to enter a
name for this tool.
d) Type "iASL Compiler" in the box and hit enter. You can now edit
the other fields for this new custom tool.
e) Enter the following into the fields:
Command: C:\Acpi\iasl.exe
Arguments: -vi "$(FilePath)"
Initial Directory "$(FileDir)"
Use Output Window <Check this option>
"Command" must be the path to wherever you copied the compiler.
"-vi" instructs the compiler to produce messages appropriate for VC.
Quotes around FilePath and FileDir enable spaces in filenames.
f) Select "Close".
These steps will add the compiler to the tools menu as a custom tool.
By enabling "Use Output Window", you can click on error messages in
the output window and the source file and source line will be
automatically displayed by VC. Also, you can use F4 to step through
the messages and the corresponding source line(s).
3) Integrating iASL into a Visual Studio ASL project build
----------------------------------------------------------
This procedure creates a project that compiles ASL files to AML.
a) Create a new, empty project and add your .ASL files to the project
b) For all ASL files in the project, specify a custom build (under
Project/Settings/CustomBuild with the following settings (or similar):
Commands:
c:\acpi\libraries\iasl.exe -vs -vi "$(InputPath)"
Output:
$(InputDir)\$(InputPath).aml
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