xnu-3247.1.106.tar.gz

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

diff --git a/osfmk/i386/ktss.c b/osfmk/i386/ktss.c
index a947de6e60ebb74aeae8bbd379119fd36731ba9c..f5d3118f7c447b431b0294172fad19f813d8dd6e 100644 (file)
--- a/osfmk/i386/ktss.c
+++ b/osfmk/i386/ktss.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@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -61,45 +61,10 @@
  *
  * We don't use the i386 task switch mechanism.  We need a TSS
  * only to hold the kernel stack pointer for the current thread.
  *
  * We don't use the i386 task switch mechanism.  We need a TSS
  * only to hold the kernel stack pointer for the current thread.

- *

  */
 #include <i386/tss.h>
  */
 #include <i386/tss.h>

-#include <i386/seg.h>
-#include <mach_kdb.h>
+#include <i386/pmap.h>

 
 

-struct i386_tss        master_ktss
-       __attribute__ ((section ("__DESC, master_ktss")))
-       __attribute__ ((aligned (4096))) = {
-       0,                              /* back link */
-       0,                              /* esp0 */
-       KERNEL_DS,                      /* ss0 */
-       0,                              /* esp1 */
-       0,                              /* ss1 */
-       0,                              /* esp2 */
-       0,                              /* ss2 */
-       0,                              /* cr3 */
-       0,                              /* eip */
-       0,                              /* eflags */
-       0,                              /* eax */
-       0,                              /* ecx */
-       0,                              /* edx */
-       0,                              /* ebx */
-       0,                              /* esp */
-       0,                              /* ebp */
-       0,                              /* esi */
-       0,                              /* edi */
-       0,                              /* es */
-       0,                              /* cs */
-       0,                              /* ss */
-       0,                              /* ds */
-       0,                              /* fs */
-       0,                              /* gs */
-       KERNEL_LDT,                     /* ldt */
-       0,                              /* trace_trap */
-       0x0FFF                          /* IO bitmap offset -
-                                          beyond end of TSS segment,
-                                          so no bitmap */
-};

 
 /*
  * The transient stack for sysenter.
 
 /*
  * The transient stack for sysenter.


@@ -111,123 +76,7 @@ struct sysenter_stack master_sstk
        __attribute__ ((section ("__DESC, master_sstk")))
        __attribute__ ((aligned (16)))  = { {0}, 0 };
 
        __attribute__ ((section ("__DESC, master_sstk")))
        __attribute__ ((aligned (16)))  = { {0}, 0 };
 

-#ifdef X86_64

 struct x86_64_tss master_ktss64 __attribute__ ((aligned (4096))) = {
        .io_bit_map_offset = 0x0FFF,
 };
 struct x86_64_tss master_ktss64 __attribute__ ((aligned (4096))) = {
        .io_bit_map_offset = 0x0FFF,
 };

-#endif /* X86_64 */
- 
-
-
-/*
- * Task structure for double-fault handler:
- */
-struct i386_tss        master_dftss
-       __attribute__ ((section ("__DESC, master_dftss")))
-       __attribute__ ((aligned (4096))) = {
-       0,                              /* back link */
-       (int) &df_task_stack_end - 4,   /* esp0 */
-       KERNEL_DS,                      /* ss0 */
-       0,                              /* esp1 */
-       0,                              /* ss1 */
-       0,                              /* esp2 */
-       0,                              /* ss2 */
-       0,                              /* cr3 */
-       (int) &df_task_start,           /* eip */
-       0,                              /* eflags */
-       0,                              /* eax */
-       0,                              /* ecx */
-       0,                              /* edx */
-       0,                              /* ebx */
-       (int) &df_task_stack_end - 4,   /* esp */
-       0,                              /* ebp */
-       0,                              /* esi */
-       0,                              /* edi */
-       KERNEL_DS,                      /* es */
-       KERNEL_CS,                      /* cs */
-       KERNEL_DS,                      /* ss */
-       KERNEL_DS,                      /* ds */
-       KERNEL_DS,                      /* fs */
-       CPU_DATA_GS,                    /* gs */
-       KERNEL_LDT,                     /* ldt */
-       0,                              /* trace_trap */
-       0x0FFF                          /* IO bitmap offset -
-                                          beyond end of TSS segment,
-                                          so no bitmap */
-};
-
-
-/*
- * Task structure for machine_check handler:
- */
-struct i386_tss        master_mctss
-       __attribute__ ((section ("__DESC, master_mctss")))
-       __attribute__ ((aligned (4096))) = {
-       0,                              /* back link */
-       (int) &mc_task_stack_end - 4,   /* esp0 */
-       KERNEL_DS,                      /* ss0 */
-       0,                              /* esp1 */
-       0,                              /* ss1 */
-       0,                              /* esp2 */
-       0,                              /* ss2 */
-       0,                              /* cr3 */
-       (int) &mc_task_start,           /* eip */
-       0,                              /* eflags */
-       0,                              /* eax */
-       0,                              /* ecx */
-       0,                              /* edx */
-       0,                              /* ebx */
-       (int) &mc_task_stack_end - 4,   /* esp */
-       0,                              /* ebp */
-       0,                              /* esi */
-       0,                              /* edi */
-       KERNEL_DS,                      /* es */
-       KERNEL_CS,                      /* cs */
-       KERNEL_DS,                      /* ss */
-       KERNEL_DS,                      /* ds */
-       KERNEL_DS,                      /* fs */
-       CPU_DATA_GS,                    /* gs */
-       KERNEL_LDT,                     /* ldt */
-       0,                              /* trace_trap */
-       0x0FFF                          /* IO bitmap offset -
-                                          beyond end of TSS segment,
-                                          so no bitmap */
-};
-
-#if    MACH_KDB
-
-struct i386_tss        master_dbtss
-       __attribute__ ((section ("__DESC, master_dbtss")))
-       __attribute__ ((aligned (4096))) = {
-       0,                              /* back link */
-       0,                              /* esp0 */
-       KERNEL_DS,                      /* ss0 */
-       0,                              /* esp1 */
-       0,                              /* ss1 */
-       0,                              /* esp2 */
-       0,                              /* ss2 */
-       0,                              /* cr3 */
-       0,                              /* eip */
-       0,                              /* eflags */
-       0,                              /* eax */
-       0,                              /* ecx */
-       0,                              /* edx */
-       0,                              /* ebx */
-       0,                              /* esp */
-       0,                              /* ebp */
-       0,                              /* esi */
-       0,                              /* edi */
-       KERNEL_DS,                      /* es */
-       KERNEL_CS,                      /* cs */
-       KERNEL_DS,                      /* ss */
-       KERNEL_DS,                      /* ds */
-       KERNEL_DS,                      /* fs */
-       KERNEL_DS,                      /* gs */
-       KERNEL_LDT,                     /* ldt */
-       0,                              /* trace_trap */
-       0x0FFF                          /* IO bitmap offset -
-                                          beyond end of TSS segment,
-                                          so no bitmap */
-};

 
 

-#endif /* MACH_KDB */