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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 17:39:57 +0000 |
| commit | dc50eab76b709d68175a358d6e23a5a3890764d3 (patch) | |
| tree | c754d0390db060af0213ff994f0ac310e4cfd6e9 /arch/powerpc/include/asm/pgtable-masks.h | |
| parent | Adding debian version 6.6.15-2. (diff) | |
| download | linux-dc50eab76b709d68175a358d6e23a5a3890764d3.tar.xz linux-dc50eab76b709d68175a358d6e23a5a3890764d3.zip | |
Merging upstream version 6.7.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/pgtable-masks.h')
| -rw-r--r-- | arch/powerpc/include/asm/pgtable-masks.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pgtable-masks.h b/arch/powerpc/include/asm/pgtable-masks.h new file mode 100644 index 0000000000..6e8e2db26a --- /dev/null +++ b/arch/powerpc/include/asm/pgtable-masks.h @@ -0,0 +1,32 @@ +/* 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 */ |