4f810186ab
1. update cv182x/cv183x configuration file 2. update cv181x/cv180x configuration file 3. update clk driver for cvitek 4. update dma driver for cvitek 5. update soc driver for cvitek 6. porting cvitek ion driver from kernel-4.19 7. compatible with riscv Change-Id: Icff9fafe0ebe7d6bab824bbadb952e08bdc66c19
19 lines
522 B
C
19 lines
522 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
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#ifndef __ASM_CSKY_SEGMENT_H
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#define __ASM_CSKY_SEGMENT_H
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typedef struct {
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unsigned long seg;
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} mm_segment_t;
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#define KERNEL_DS ((mm_segment_t) { 0xFFFFFFFF })
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#define USER_DS ((mm_segment_t) { PAGE_OFFSET })
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#define get_fs() (current_thread_info()->addr_limit)
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#define set_fs(x) (current_thread_info()->addr_limit = (x))
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#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
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#endif /* __ASM_CSKY_SEGMENT_H */
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