diff options
Diffstat (limited to 'include/asm-x86/desc_defs.h')
| -rw-r--r-- | include/asm-x86/desc_defs.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/asm-x86/desc_defs.h b/include/asm-x86/desc_defs.h index eccb4ea1f91..b881db664b4 100644 --- a/include/asm-x86/desc_defs.h +++ b/include/asm-x86/desc_defs.h @@ -1,6 +1,6 @@ /* Written 2000 by Andi Kleen */ -#ifndef __ARCH_DESC_DEFS_H -#define __ARCH_DESC_DEFS_H +#ifndef ASM_X86__DESC_DEFS_H +#define ASM_X86__DESC_DEFS_H /* * Segment descriptor structure definitions, usable from both x86_64 and i386 @@ -75,10 +75,14 @@ struct ldttss_desc64 { typedef struct gate_struct64 gate_desc; typedef struct ldttss_desc64 ldt_desc; typedef struct ldttss_desc64 tss_desc; +#define gate_offset(g) ((g).offset_low | ((unsigned long)(g).offset_middle << 16) | ((unsigned long)(g).offset_high << 32)) +#define gate_segment(g) ((g).segment) #else typedef struct desc_struct gate_desc; typedef struct desc_struct ldt_desc; typedef struct desc_struct tss_desc; +#define gate_offset(g) (((g).b & 0xffff0000) | ((g).a & 0x0000ffff)) +#define gate_segment(g) ((g).a >> 16) #endif struct desc_ptr { @@ -88,4 +92,4 @@ struct desc_ptr { #endif /* !__ASSEMBLY__ */ -#endif +#endif /* ASM_X86__DESC_DEFS_H */ |