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xnu-2050.22.13.tar.gz
[apple/xnu.git] / osfmk / i386 / ldt.c
index 13ed8cd32d94a1c48edcbead01174dfaaef94646..ff1facd343d614586f4012390dd438f5d45c126b 100644 (file)
  */
 
 /*
- * "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) */
+struct real_descriptor master_ldt[LDTSZ] __attribute__ ((aligned (4096))) = {
+#ifdef __i386__
+       [SEL_TO_INDEX(SYSENTER_CS)] = MAKE_REAL_DESCRIPTOR(     /* 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) */
+       ),
+       [SEL_TO_INDEX(SYSENTER_DS)] = MAKE_REAL_DESCRIPTOR(     /* 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 */
+       ),
+       [SEL_TO_INDEX(USER_CS)] = MAKE_REAL_DESCRIPTOR( /* user code segment */
                0,
                0xfffff,
-               SZ_32|SZ_G,
+               SZ_32|SZ_G,
                ACC_P|ACC_PL_U|ACC_CODE_R
-       },
-       [SEL_TO_INDEX(USER_DS)] {       /* user data segment */
+       ),
+       [SEL_TO_INDEX(USER_DS)] = MAKE_REAL_DESCRIPTOR( /* 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 */
+       ),
+       [SEL_TO_INDEX(USER64_CS)] = MAKE_REAL_DESCRIPTOR(       /* 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 */
+       ),
+#endif
+       [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
-       },
+       ),
 };