xnu-3789.70.16.tar.gz

[apple/xnu.git] / osfmk / i386 / ldt.c

diff --git a/osfmk/i386/ldt.c b/osfmk/i386/ldt.c
index 13ed8cd32d94a1c48edcbead01174dfaaef94646..4027c05f2cbe424852e01dafe79d0cb217035d65 100644 (file)
--- a/osfmk/i386/ldt.c
+++ b/osfmk/i386/ldt.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -57,50 +57,17 @@
  */
 
 /*
- * "Local" descriptor table.  At the moment, all tasks use the
+ * "Local" descriptor table. At the moment, all tasks use the
  * same LDT.
  */
 #include <i386/seg.h>
-#include <i386/pmap.h>
-#include <mach/i386/vm_types.h>
-#include <mach/i386/vm_param.h>
 
 
-struct fake_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
-       [SEL_TO_INDEX(SYSENTER_CS)] {   /* kernel code (sysenter) */
-               0,
-               0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_K|ACC_CODE_R
-       },
-       [SEL_TO_INDEX(SYSENTER_DS)] {   /* kernel data (sysenter) */
-               0,
-               0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_K|ACC_DATA_W
-       },
-       [SEL_TO_INDEX(USER_CS)] {       /* user code segment */
-               0,
-               0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_U|ACC_CODE_R
-       },
-       [SEL_TO_INDEX(USER_DS)] {       /* user data segment */
-               0,
-               0xfffff,
-               SZ_32|SZ_G,
-               ACC_P|ACC_PL_U|ACC_DATA_W
-       },
-       [SEL_TO_INDEX(USER64_CS)] {     /* user 64-bit code segment */
-               0,
-               0xfffff,
-               SZ_64|SZ_G,
-               ACC_P|ACC_PL_U|ACC_CODE_R
-       },
-       [SEL_TO_INDEX(USER_CTHREAD)] {  /* user cthread segment */
+struct real_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
+       [SEL_TO_INDEX(USER_CTHREAD)] = MAKE_REAL_DESCRIPTOR(    /* user cthread segment */
                0,
                0xfffff,
                SZ_32|SZ_G,
                ACC_P|ACC_PL_U|ACC_DATA_W
-       },
+       ),
 };