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-rw-r--r--include/asm-x86/segment.h16
-rw-r--r--include/asm-x86/segment_32.h22
-rw-r--r--include/asm-x86/segment_64.h17
3 files changed, 16 insertions, 39 deletions
diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index b3a7a3e9fb19..3c9b306bc4bf 100644
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -11,4 +11,20 @@
11#define get_kernel_rpl() 0 11#define get_kernel_rpl() 0
12#endif 12#endif
13 13
14/* User mode is privilege level 3 */
15#define USER_RPL 0x3
16/* LDT segment has TI set, GDT has it cleared */
17#define SEGMENT_LDT 0x4
18#define SEGMENT_GDT 0x0
19
20/* Bottom two bits of selector give the ring privilege level */
21#define SEGMENT_RPL_MASK 0x3
22/* Bit 2 is table indicator (LDT/GDT) */
23#define SEGMENT_TI_MASK 0x4
24
25#define IDT_ENTRIES 256
26#define GDT_SIZE (GDT_ENTRIES * 8)
27#define GDT_ENTRY_TLS_ENTRIES 3
28#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
29
14#endif 30#endif
diff --git a/include/asm-x86/segment_32.h b/include/asm-x86/segment_32.h
index ff186e34798a..3e133ad4252d 100644
--- a/include/asm-x86/segment_32.h
+++ b/include/asm-x86/segment_32.h
@@ -45,12 +45,9 @@
45 * 30 - unused 45 * 30 - unused
46 * 31 - TSS for double fault handler 46 * 31 - TSS for double fault handler
47 */ 47 */
48#define GDT_ENTRY_TLS_ENTRIES 3
49#define GDT_ENTRY_TLS_MIN 6 48#define GDT_ENTRY_TLS_MIN 6
50#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) 49#define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
51 50
52#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
53
54#define GDT_ENTRY_DEFAULT_USER_CS 14 51#define GDT_ENTRY_DEFAULT_USER_CS 14
55#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3) 52#define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS * 8 + 3)
56 53
@@ -87,7 +84,6 @@
87 * The GDT has 32 entries 84 * The GDT has 32 entries
88 */ 85 */
89#define GDT_ENTRIES 32 86#define GDT_ENTRIES 32
90#define GDT_SIZE (GDT_ENTRIES * 8)
91 87
92/* Simple and small GDT entries for booting only */ 88/* Simple and small GDT entries for booting only */
93 89
@@ -112,24 +108,6 @@
112#define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */ 108#define PNP_TS2 (GDT_ENTRY_PNPBIOS_TS2 * 8) /* another data segment */
113 109
114/* 110/*
115 * The interrupt descriptor table has room for 256 idt's,
116 * the global descriptor table is dependent on the number
117 * of tasks we can have..
118 */
119#define IDT_ENTRIES 256
120
121/* Bottom two bits of selector give the ring privilege level */
122#define SEGMENT_RPL_MASK 0x3
123/* Bit 2 is table indicator (LDT/GDT) */
124#define SEGMENT_TI_MASK 0x4
125
126/* User mode is privilege level 3 */
127#define USER_RPL 0x3
128/* LDT segment has TI set, GDT has it cleared */
129#define SEGMENT_LDT 0x4
130#define SEGMENT_GDT 0x0
131
132/*
133 * Matching rules for certain types of segments. 111 * Matching rules for certain types of segments.
134 */ 112 */
135 113
diff --git a/include/asm-x86/segment_64.h b/include/asm-x86/segment_64.h
index dce742101348..5cc7deb8b034 100644
--- a/include/asm-x86/segment_64.h
+++ b/include/asm-x86/segment_64.h
@@ -33,8 +33,6 @@
33#define GDT_ENTRY_TLS_MIN 12 33#define GDT_ENTRY_TLS_MIN 12
34#define GDT_ENTRY_TLS_MAX 14 34#define GDT_ENTRY_TLS_MAX 14
35 35
36#define GDT_ENTRY_TLS_ENTRIES 3
37
38#define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */ 36#define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */
39#define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3) 37#define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3)
40 38
@@ -45,20 +43,5 @@
45#define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3) 43#define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3)
46#define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3) 44#define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3)
47 45
48#define IDT_ENTRIES 256
49#define GDT_ENTRIES 16 46#define GDT_ENTRIES 16
50#define GDT_SIZE (GDT_ENTRIES * 8)
51#define TLS_SIZE (GDT_ENTRY_TLS_ENTRIES * 8)
52
53/* Bottom two bits of selector give the ring privilege level */
54#define SEGMENT_RPL_MASK 0x3
55/* Bit 2 is table indicator (LDT/GDT) */
56#define SEGMENT_TI_MASK 0x4
57
58/* User mode is privilege level 3 */
59#define USER_RPL 0x3
60/* LDT segment has TI set, GDT has it cleared */
61#define SEGMENT_LDT 0x4
62#define SEGMENT_GDT 0x0
63
64#endif 47#endif