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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/powerpc/include/asm/book3s/64/slice.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/include/asm/book3s/64/slice.h')
| -rw-r--r-- | arch/powerpc/include/asm/book3s/64/slice.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/book3s/64/slice.h b/arch/powerpc/include/asm/book3s/64/slice.h new file mode 100644 index 000000000..db0dedab6 --- /dev/null +++ b/arch/powerpc/include/asm/book3s/64/slice.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_BOOK3S_64_SLICE_H +#define _ASM_POWERPC_BOOK3S_64_SLICE_H + +#ifdef CONFIG_PPC_MM_SLICES + +#define SLICE_LOW_SHIFT 28 +#define SLICE_LOW_TOP (0x100000000ul) +#define SLICE_NUM_LOW (SLICE_LOW_TOP >> SLICE_LOW_SHIFT) +#define GET_LOW_SLICE_INDEX(addr) ((addr) >> SLICE_LOW_SHIFT) + +#define SLICE_HIGH_SHIFT 40 +#define SLICE_NUM_HIGH (H_PGTABLE_RANGE >> SLICE_HIGH_SHIFT) +#define GET_HIGH_SLICE_INDEX(addr) ((addr) >> SLICE_HIGH_SHIFT) + +#else /* CONFIG_PPC_MM_SLICES */ + +#define get_slice_psize(mm, addr) ((mm)->context.user_psize) +#define slice_set_user_psize(mm, psize) \ +do { \ + (mm)->context.user_psize = (psize); \ + (mm)->context.sllp = SLB_VSID_USER | mmu_psize_defs[(psize)].sllp; \ +} while (0) + +#endif /* CONFIG_PPC_MM_SLICES */ + +#endif /* _ASM_POWERPC_BOOK3S_64_SLICE_H */ |