diff options
Diffstat (limited to 'include/asm-x86/desc.h')
| -rw-r--r-- | include/asm-x86/desc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h index 6065c5092265..47086d2d9298 100644 --- a/include/asm-x86/desc.h +++ b/include/asm-x86/desc.h @@ -1,5 +1,34 @@ +#ifndef _ASM_DESC_H_ +#define _ASM_DESC_H_ + +#ifndef __ASSEMBLY__ +#include <asm/desc_defs.h> +#include <asm/ldt.h> + +static inline void fill_ldt(struct desc_struct *desc, struct user_desc *info) +{ + desc->limit0 = info->limit & 0x0ffff; + desc->base0 = info->base_addr & 0x0000ffff; + + desc->base1 = (info->base_addr & 0x00ff0000) >> 16; + desc->type = (info->read_exec_only ^ 1) << 1; + desc->type |= info->contents << 2; + desc->s = 1; + desc->dpl = 0x3; + desc->p = info->seg_not_present ^ 1; + desc->limit = (info->limit & 0xf0000) >> 16; + desc->avl = info->useable; + desc->d = info->seg_32bit; + desc->g = info->limit_in_pages; + desc->base2 = (info->base_addr & 0xff000000) >> 24; +} + +#endif + #ifdef CONFIG_X86_32 # include "desc_32.h" #else # include "desc_64.h" #endif + +#endif |