/* 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 */