From: Franck JULLIEN <franck.jullien@xxxxxxxxx> Add arch/nios2/include/asm/pgtable-bits.h --- arch/nios2/include/asm/pgtable-bits.h | 38 +++++++++++++++++++++++++++++++++ 1 files changed, 38 insertions(+), 0 deletions(-) create mode 100644 arch/nios2/include/asm/pgtable-bits.h diff --git a/arch/nios2/include/asm/pgtable-bits.h b/arch/nios2/include/asm/pgtable-bits.h new file mode 100644 index 0000000..0e04c38 --- /dev/null +++ b/arch/nios2/include/asm/pgtable-bits.h @@ -0,0 +1,38 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994 - 2002 by Ralf Baechle + * Copyright (C) 1999, 2000, 2001 Silicon Graphics, Inc. + * Copyright (C) 2002 Maciej W. Rozycki + */ +#ifndef _ASM_NIOS2_PGTABLE_BITS_H +#define _ASM_NIOS2_PGTABLE_BITS_H + +/* These are actual HW defined protection bits (unshifted) in TLBACC + */ +#define _PAGE_GLOBAL (1<<0) +#define _PAGE_EXEC (1<<1) +#define _PAGE_WRITE (1<<2) +#define _PAGE_READ (1<<3) +#define _PAGE_CACHED (1<<4) + +/* TLBACC also has 7 IGNORE bits to use for SW defined attributes + */ +#define _PAGE_PRESENT (1<<5) +#define _PAGE_ACCESSED (1<<6) +#define _PAGE_MODIFIED (1<<7) +#define _PAGE_FILE (1<<8) +#define _PAGE_VALID (1<<9) +#define _PAGE_OLD (1<<10) + +#if 1 +/* ivho: lets not turn on caches right now... + */ +#define PAGE_CACHABLE_DEFAULT _PAGE_CACHED +#else +#define PAGE_CACHABLE_DEFAULT 0 +#endif + +#endif /* _ASM_NIOS2_PGTABLE_BITS_H */ -- 1.7.3.4 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
