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Diffstat (limited to 'include/asm-x86/segment.h')
-rw-r--r--include/asm-x86/segment.h12
1 files changed, 3 insertions, 9 deletions
diff --git a/include/asm-x86/segment.h b/include/asm-x86/segment.h
index 646452ea9ea3..5d6e69454891 100644
--- a/include/asm-x86/segment.h
+++ b/include/asm-x86/segment.h
@@ -1,5 +1,5 @@
1#ifndef _ASM_X86_SEGMENT_H_ 1#ifndef ASM_X86__SEGMENT_H
2#define _ASM_X86_SEGMENT_H_ 2#define ASM_X86__SEGMENT_H
3 3
4/* Constructor for a conventional segment GDT (or LDT) entry */ 4/* Constructor for a conventional segment GDT (or LDT) entry */
5/* This is a macro so it can be used in initializers */ 5/* This is a macro so it can be used in initializers */
@@ -131,12 +131,6 @@
131 * Matching rules for certain types of segments. 131 * Matching rules for certain types of segments.
132 */ 132 */
133 133
134/* Matches only __KERNEL_CS, ignoring PnP / USER / APM segments */
135#define SEGMENT_IS_KERNEL_CODE(x) (((x) & 0xfc) == GDT_ENTRY_KERNEL_CS * 8)
136
137/* Matches __KERNEL_CS and __USER_CS (they must be 2 entries apart) */
138#define SEGMENT_IS_FLAT_CODE(x) (((x) & 0xec) == GDT_ENTRY_KERNEL_CS * 8)
139
140/* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */ 134/* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */
141#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8) 135#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8)
142 136
@@ -212,4 +206,4 @@ extern const char early_idt_handlers[NUM_EXCEPTION_VECTORS][10];
212#endif 206#endif
213#endif 207#endif
214 208
215#endif 209#endif /* ASM_X86__SEGMENT_H */