From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/csky/include/asm/segment.h | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 arch/csky/include/asm/segment.h (limited to 'arch/csky/include/asm/segment.h') diff --git a/arch/csky/include/asm/segment.h b/arch/csky/include/asm/segment.h new file mode 100644 index 000000000..79ede9b1a --- /dev/null +++ b/arch/csky/include/asm/segment.h @@ -0,0 +1,18 @@ +/* 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 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 uaccess_kernel() (get_fs().seg == KERNEL_DS.seg) + +#endif /* __ASM_CSKY_SEGMENT_H */ -- cgit v1.2.3