[NTVDM]
Start implementing the NTVDM mouse BIOS driver.



git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@64129 97493ccd-5924-5043-b1f5-66cb403b36ce
[NTOSKRNL]
Mark lowest pages of P0BootStackData and KiDoubleFaultStackData as read-only to prevent unnoticed stack-overflow. CORE-4380 #resolve

git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@64130 97493ccd-5924-5043-b1f5-66cb403b36ce
[BOOTDATA]
* Add DX InstalledVersion key. By Lee Schroeder.
CORE-8530 #resolve #comment Committed in r64131. Thanks!
CORE-8461 #comment Please retest with r64131+

git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@64131 97493ccd-5924-5043-b1f5-66cb403b36ce
[PSEH3]
- Unregister frame before calling finally funtion in _SEH3$_AutoCleanup
- Restore full volatile register context for clang
- Don't clobber ebx in __SEH3$_RegisterFrameWithNonVolatiles (noticed by Thomas)
- Improve __SEH3$_InvokeEmbeddedFilterFromRegistration


git-svn-id: svn://svn.reactos.org/reactos/trunk/reactos@64132 97493ccd-5924-5043-b1f5-66cb403b36ce