| /* SPDX-License-Identifier: GPL-2.0 */ |
| // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. |
| |
| #ifndef __ASM_CSKY_SEGMENT_H |
| #define __ASM_CSKY_SEGMENT_H |
| |
| typedef struct { |
| unsigned long seg; |
| } mm_segment_t; |
| |
| #define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF }) |
| #define get_ds() KERNEL_DS |
| |
| #define USER_DS ((mm_segment_t) { 0x80000000UL }) |
| #define get_fs() (current_thread_info()->addr_limit) |
| #define set_fs(x) (current_thread_info()->addr_limit = (x)) |
| #define segment_eq(a, b) ((a).seg == (b).seg) |
| |
| #endif /* __ASM_CSKY_SEGMENT_H */ |