2. Update .msa files to add some missing files files in MdePkg
3. Add Help text to Mde Library related PCDs.
4. Fix some bugs in CpuId.S and CpuIdEx.S.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@919 6f19259b-4bc3-4df7-8a09-765794883524
2. Fixed a logical error in Synchronization.c which caused InterlockedIncrement() and InterlockedDecrement() to hang.
3. Replaced the pseudo-implementation of GetInterruptState() with a real version.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@793 6f19259b-4bc3-4df7-8a09-765794883524
BaseTimerLibLocalApic: Add missing EBC architecture support. Note that this instance is a dummy one since EBC does not support local APIC timer.
IoLibDxeCpuIo: Add alignment checking & unsupported width checking by using ASSERT()s.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@311 6f19259b-4bc3-4df7-8a09-765794883524