diff options
Diffstat (limited to 'arch/riscv/include/asm/pgtable-32.h')
| -rw-r--r-- | arch/riscv/include/asm/pgtable-32.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/pgtable-32.h b/arch/riscv/include/asm/pgtable-32.h new file mode 100644 index 000000000..5cfe5a131 --- /dev/null +++ b/arch/riscv/include/asm/pgtable-32.h @@ -0,0 +1,27 @@ +/* + * Copyright (C) 2012 Regents of the University of California + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _ASM_RISCV_PGTABLE_32_H +#define _ASM_RISCV_PGTABLE_32_H + +#include <asm-generic/pgtable-nopmd.h> +#include <linux/const.h> + +/* Size of region mapped by a page global directory */ +#define PGDIR_SHIFT 22 +#define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) +#define PGDIR_MASK (~(PGDIR_SIZE - 1)) + +#define MAX_POSSIBLE_PHYSMEM_BITS 34 + +#endif /* _ASM_RISCV_PGTABLE_32_H */ |