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07037db5d4
This patch contains code to manage the RISC-V MMU, including definitions of the page tables and the page walking code. Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
26 lines
870 B
C
26 lines
870 B
C
/*
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* Copyright (C) 2012 Regents of the University of California
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ASM_RISCV_PGTABLE_32_H
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#define _ASM_RISCV_PGTABLE_32_H
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#include <asm-generic/pgtable-nopmd.h>
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#include <linux/const.h>
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/* Size of region mapped by a page global directory */
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#define PGDIR_SHIFT 22
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#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT)
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#define PGDIR_MASK (~(PGDIR_SIZE - 1))
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#endif /* _ASM_RISCV_PGTABLE_32_H */
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