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ARK-OS
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arkos
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kernel
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arch
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loongarch
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include
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asm
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set_memory.h

set_memory.h 723 B
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  1. /* SPDX-License-Identifier: GPL-2.0-only */
    2. 

  2. /*
    3. 

  3.  * Copyright (C) 2024 Loongson Technology Corporation Limited
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef _ASM_LOONGARCH_SET_MEMORY_H
    7. 

  7. #define _ASM_LOONGARCH_SET_MEMORY_H
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  8. 

  9. /*
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  10.  * Functions to change memory attributes.
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  11.  */
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  12. int set_memory_x(unsigned long addr, int numpages);
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  13. int set_memory_nx(unsigned long addr, int numpages);
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  14. int set_memory_ro(unsigned long addr, int numpages);
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  15. int set_memory_rw(unsigned long addr, int numpages);
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  16. 

  17. bool kernel_page_present(struct page *page);
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  18. int set_direct_map_default_noflush(struct page *page);
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  19. int set_direct_map_invalid_noflush(struct page *page);
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  20. int set_direct_map_valid_noflush(struct page *page, unsigned nr, bool valid);
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  21. 

  22. #endif /* _ASM_LOONGARCH_SET_MEMORY_H */
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