[hbirr] 13100: - Fixed the sysexit check. We must use a kernel mode segment to access KiFastSystemCallDisable.

- Fixed the sysexit check. We must use a kernel mode segment to access
KiFastSystemCallDisable.
- Fixed some segment limits.
Modified: trunk/reactos/ntoskrnl/ke/i386/gdt.c
Modified: trunk/reactos/ntoskrnl/ke/i386/syscall.S
  _____

Modified: trunk/reactos/ntoskrnl/ke/i386/gdt.c
--- trunk/reactos/ntoskrnl/ke/i386/gdt.c	2005-01-17 16:27:28 UTC
(rev 13099)
+++ trunk/reactos/ntoskrnl/ke/i386/gdt.c	2005-01-17 19:22:03 UTC
(rev 13100)
@@ -40,11 +40,16 @@

0x0, 0x0, 0x0, 0x0,              /* Null */
  0xffff, 0x0, 0x9a00, 0xcf,       /* Kernel CS */
  0xffff, 0x0, 0x9200, 0xcf,       /* Kernel DS */
- 0x0, 0x0, 0xfa00, 0xcf,          /* User CS */
- 0x0, 0x0, 0xf200, 0xcf,          /* User DS */
+#ifdef __3GB__
+ 0xffff, 0x0, 0xfa00, 0xcb,       /* User CS */
+ 0xffff, 0x0, 0xf200, 0xcb,       /* User DS */
+#else
+ 0xffff, 0x0, 0xfa00, 0xc7,       /* User CS */
+ 0xffff, 0x0, 0xf200, 0xc7,       /* User DS */
+#endif
  0x0, 0x0, 0x0, 0x0,              /* TSS */
- 0x1000, 0x0000, 0x9200, 0xffc0,  /* PCR */
- 0x1000, 0x0, 0xf200, 0x0,        /* TEB */
+ 0x0fff, 0x0000, 0x9200, 0xff00,  /* PCR */
+ 0x0fff, 0x0, 0xf200, 0x0,        /* TEB */
  0x0, 0x0, 0x0, 0x0,              /* Reserved */
  0x0, 0x0, 0x0, 0x0,              /* LDT */
  0x0, 0x0, 0x0, 0x0               /* Trap TSS */
  _____

Modified: trunk/reactos/ntoskrnl/ke/i386/syscall.S
--- trunk/reactos/ntoskrnl/ke/i386/syscall.S	2005-01-17 16:27:28 UTC
(rev 13099)
+++ trunk/reactos/ntoskrnl/ke/i386/syscall.S	2005-01-17 19:22:03 UTC
(rev 13100)
@@ -270,8 +270,8 @@

FastRet:

/* Is SYSEXIT Supported/Wanted? */
-    cmpl $1, _KiFastSystemCallDisable
-    je IntRet
+    cmpl $0, %ss:_KiFastSystemCallDisable
+    jnz IntRet

/* Restore FS to TIB */
     mov $TEB_SELECTOR, %ecx