/* 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 */