Boot is broken for me in VMWare, with an assert being hit in
hypermap.c:178.
WBR,
Aleksey Bragin.
On Mar 10, 2009, at 3:31 AM, ros-arm-bringup(a)svn.reactos.org wrote:
> Author: ros-arm-bringup
> Date: Tue Mar 10 03:31:14 2009
> New Revision: 39925
>
> URL: http://svn.reactos.org/svn/reactos?rev=39925&view=rev
> Log:
> - Implement a new Hyperspace Mapping Interface:
> - The new interface is portable and much faster than before.
> For example, unmapping a hyperpage is almost a one-line operation.
> - The new interface is also thread-safe and uses the EPROCESS
> hyperspace spinlock.
> - However, in order to isolate from React Mm internals, the
> Hyper IRQL and Process are stored as globals, so this will not work
> on SMP.
> - For now, mapping vs. zero PTEs are not treated differently,
> but the two interfaces have been separated pending future work.
> - Performance tests with _rdtsc resulted in an improvement of
> over 300% compared to the old interface.
> - Hyperspace mappings are frequent, so the improvement is
> noticeable during startup (3/10ths of a second).
> - This also fixes incorrect initializtion of hyperspace --
> pages were zeroed out (which requires hyperspace) before hyperspace
> was created.
Hi,
I notice that in Windows Vista - and also Windows XP - there seems to
be an undocumented field in PEB.
>From Windbg, I found some below fields in PEB structure'
...
+0x064 NumberOfProcessors : Uint4B
+0x068 NtGlobalFlag : Uint4B
+0x070 CriticalSectionTimeout : _LARGE_INTEGER
...
We can see that NtGlobalFlag is at offset 0x68, and is 4 bytes field.
So the next field should be at 0x6C. However, CriticalSectionTimeout
is at 0x70.
- So the question is why that happens? I suspect that there is an
undocumented field after NtGlobalFlag, which is removed from the
debugging data. Any idea?
- Another thing: ReactOS now faithfully declares the PEB structure
like above, without that secret 4 bytes hole. As a result, the
ReactOS's PEB size is 4 bytes short than PEB structure in Windows. Do
we need to care about that? Or not?
Thanks,
J
On Mon, Mar 2, 2009 at 9:42 PM, <tkreuzer(a)svn.reactos.org> wrote:
> URL: http://svn.reactos.org/svn/reactos?rev=39849&view=rev
> Log:
> Initial version of a gdi font driver for bitmap fonts (.fon / .fnt). It starts to work, but not yet correctly. Glyphs are truncated. Developed on Windows XP.
Are you planning on using FreeType in this?
Thanks
--
Steven Edwards
"There is one thing stronger than all the armies in the world, and
that is an idea whose time has come." - Victor Hugo
