| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _ASM_POWERPC_PGTABLE_MASKS_H |
| #define _ASM_POWERPC_PGTABLE_MASKS_H |
| |
| #ifndef _PAGE_NA |
| #define _PAGE_NA 0 |
| #define _PAGE_NAX _PAGE_EXEC |
| #define _PAGE_RO _PAGE_READ |
| #define _PAGE_ROX (_PAGE_READ | _PAGE_EXEC) |
| #define _PAGE_RW (_PAGE_READ | _PAGE_WRITE) |
| #define _PAGE_RWX (_PAGE_READ | _PAGE_WRITE | _PAGE_EXEC) |
| #endif |
| |
| /* Permission flags for kernel mappings */ |
| #ifndef _PAGE_KERNEL_RO |
| #define _PAGE_KERNEL_RO _PAGE_RO |
| #define _PAGE_KERNEL_ROX _PAGE_ROX |
| #define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) |
| #define _PAGE_KERNEL_RWX (_PAGE_RWX | _PAGE_DIRTY) |
| #endif |
| |
| /* Permission masks used to generate the __P and __S table */ |
| #define PAGE_NONE __pgprot(_PAGE_BASE | _PAGE_NA) |
| #define PAGE_EXECONLY_X __pgprot(_PAGE_BASE | _PAGE_NAX) |
| #define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_RW) |
| #define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_RWX) |
| #define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_RO) |
| #define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_ROX) |
| #define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_RO) |
| #define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_ROX) |
| |
| #endif /* _ASM_POWERPC_PGTABLE_MASKS_H */ |
