[ros-diffs] [tkreuzer] 37019: On x64 the 64 bit ring3 teb (gs) shares the generic 64 bit data selector, while the 32 bit teb (fs) has it's own selector.

[tkreuzer at svn.reactos.org]

Author: tkreuzer
Date: Mon Oct 27 08:00:44 2008
New Revision: 37019

URL: http://svn.reactos.org/svn/reactos?rev=37019&view=rev
Log:
On x64 the 64 bit ring3 teb (gs) shares the generic 64 bit data selector, while the 32 bit teb (fs) has it's own selector.

Modified:
    branches/ros-amd64-bringup/reactos/dll/win32/kernel32/misc/utils.c

Modified: branches/ros-amd64-bringup/reactos/dll/win32/kernel32/misc/utils.c
URL: http://svn.reactos.org/svn/reactos/branches/ros-amd64-bringup/reactos/dll/win32/kernel32/misc/utils.c?rev=37019&r1=37018&r2=37019&view=diff
==============================================================================
--- branches/ros-amd64-bringup/reactos/dll/win32/kernel32/misc/utils.c [iso-8859-1] (original)
+++ branches/ros-amd64-bringup/reactos/dll/win32/kernel32/misc/utils.c [iso-8859-1] Mon Oct 27 08:00:44 2008
@@ -386,12 +386,12 @@
     /* The other registers are undefined */
 
     /* Setup the Segments */
-    Context->SegFs = KGDT_64_R3_TEB | RPL_MASK;
+    Context->SegGs = KGDT_64_DATA | RPL_MASK;
     Context->SegEs = KGDT_64_DATA | RPL_MASK;
     Context->SegDs = KGDT_64_DATA | RPL_MASK;
     Context->SegCs = KGDT_64_R3_CODE | RPL_MASK;
     Context->SegSs = KGDT_64_DATA | RPL_MASK;
-    Context->SegGs = 0;
+    Context->SegFs = KGDT_32_R3_TEB;
 
     /* Set the EFLAGS */
     Context->EFlags = 0x3000; /* IOPL 3 */