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| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _ASM_POWERPC_PGTABLE_MASKS_H |
| 3 | #define _ASM_POWERPC_PGTABLE_MASKS_H |
| 4 | |
| 5 | #ifndef _PAGE_NA |
| 6 | #define _PAGE_NA 0 |
| 7 | #define _PAGE_NAX _PAGE_EXEC |
| 8 | #define _PAGE_RO _PAGE_READ |
| 9 | #define _PAGE_ROX (_PAGE_READ | _PAGE_EXEC) |
| 10 | #define _PAGE_RW (_PAGE_READ | _PAGE_WRITE) |
| 11 | #define _PAGE_RWX (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC) |
| 12 | #endif |
| 13 | |
| 14 | /* Permission flags for kernel mappings */ |
| 15 | #ifndef _PAGE_KERNEL_RO |
| 16 | #define _PAGE_KERNEL_RO _PAGE_RO |
| 17 | #define _PAGE_KERNEL_ROX _PAGE_ROX |
| 18 | #define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) |
| 19 | #define _PAGE_KERNEL_RWX (_PAGE_RWX | _PAGE_DIRTY) |
| 20 | #endif |
| 21 | |
| 22 | /* Permission masks used to generate the __P and __S table */ |
| 23 | #define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_NA) |
| 24 | #define PAGE_EXECONLY_X __pgprot(_PAGE_BASE | _PAGE_NAX) |
| 25 | #define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW) |
| 26 | #define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_RWX) |
| 27 | #define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_RO) |
| 28 | #define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_ROX) |
| 29 | #define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_RO) |
| 30 | #define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_ROX) |
| 31 | |
| 32 | #endif /* _ASM_POWERPC_PGTABLE_MASKS_H */ |
| 33 |
Warning: This file is not a C or C++ file. It does not have highlighting.