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9be2900668
The others changes include: a. Check RemainingDevicePath at beginning of Supported(), make sure it has been verified before Start() is called. b. Check IO protocol firstly rather than EfiDevicePathProtocolGuid, reduce the times entering into Start() function because EfiDevicePathProtocolGuid existed on most of handle. 2. roll back serial drivers not to create child device, if the device speicifed by remainingdevicepath cannot find in the created devices list. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9267 6f19259b-4bc3-4df7-8a09-765794883524
Unix Simulation Platform
========================
UnixPkg is one of platform package which can be built to a platform's firmware from UnixPkg.dsc file.
And this package provide a simulation platform under *INUX environment in IA32 architecture.
- Same points between real platform and simulation platform:
1) Unix simulation platform also run with firmware device image built from UnixPkg
2) The working flow of simulation platform also contains SEC/PEI/DXE phase.
- Different points between real platform and simulation platform:
1) The SEC phase in simulation platform in fact is a *INUX native application which can be run from *INUX shell;
2) The device in simulation platform is not real hardware but simulation component in API level;
3) The ThunkBus driver in simulation platform will get virtual device's desription from PCD and create virtual Device
Build
=====
UnixPkg is built with following command:
build -p UnixPkg/UnixPkg.dsc -a IA32 -t ELFGCC
Notes: ELFGCC is defined in <Workspace>/Conf/tools_def.txt file. This tool chain use native gcc/binutil instead of
cross-compiler like UNIXGCC tool chain.
FAQ
===
1, I fail to build UnixPkg due to "X11/extensions/XShm.h: No such file or directory"?
The display adapter in UnixPkg is a virtual device written in X11 API. The library of x11proto-xext-dev is required
for building.
2, I fail to build UnixPkg due to "/usr/bin/ld: cannot find -lXext"?
libxext-dev library is required for building.