diff options
Diffstat (limited to 'libc/kernel/arch-sh/asm/segment.h')
-rw-r--r-- | libc/kernel/arch-sh/asm/segment.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libc/kernel/arch-sh/asm/segment.h b/libc/kernel/arch-sh/asm/segment.h new file mode 100644 index 0000000..3525a35 --- /dev/null +++ b/libc/kernel/arch-sh/asm/segment.h @@ -0,0 +1,34 @@ +/**************************************************************************** + **************************************************************************** + *** + *** This header was automatically generated from a Linux kernel header + *** of the same name, to make information necessary for userspace to + *** call into the kernel available to libc. It contains only constants, + *** structures, and macros generated from the original header, and thus, + *** contains no copyrightable information. + *** + **************************************************************************** + ****************************************************************************/ +#ifndef __ASM_SH_SEGMENT_H +#define __ASM_SH_SEGMENT_H + +#ifndef __ASSEMBLY__ + +typedef struct { + unsigned long seg; +} mm_segment_t; + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) + +#define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFFUL) +#define USER_DS MAKE_MM_SEG(PAGE_OFFSET) + +#define segment_eq(a,b) ((a).seg == (b).seg) + +#define get_ds() (KERNEL_DS) + +#define get_fs() (current_thread_info()->addr_limit) +#define set_fs(x) (current_thread_info()->addr_limit = (x)) + +#endif +#endif |