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/*
 * Copyright (C) 2011 Tobias Klauser <tklauser@distanz.ch>
 * Copyright (C) 2009 Wind River Systems Inc
 *
 * 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.
 */

#ifndef _ASM_NIOS2_PGTABLE_BITS_H
#define _ASM_NIOS2_PGTABLE_BITS_H

/*
 * These are actual hardware defined protection bits in the tlbacc register
 * which looks like this:
 *
 * 31 30 ... 26 25 24 23 22 21 20 19 18 ...  1  0
 * ignored........  C  R  W  X  G PFN............
 */
#define _PAGE_GLOBAL	(1<<20)
#define _PAGE_EXEC	(1<<21)
#define _PAGE_WRITE	(1<<22)
#define _PAGE_READ	(1<<23)
#define _PAGE_CACHED	(1<<24)	/* C: data access cacheable */

/*
 * Software defined bits. They are ignored by the hardware and always read back
 * as zero, but can be written as non-zero.
 */
#define _PAGE_PRESENT	(1<<25)	/* PTE contains a translation */
#define _PAGE_ACCESSED	(1<<26)	/* page referenced */
#define _PAGE_DIRTY	(1<<27)	/* dirty page */

#endif /* _ASM_NIOS2_PGTABLE_BITS_H */

Filemanager

Name Type Size Permission Actions
Kbuild File 958 B 0644
asm-macros.h File 6.71 KB 0644
asm-offsets.h File 813 B 0644
cache.h File 1.14 KB 0644
cacheflush.h File 1.91 KB 0644
checksum.h File 2.03 KB 0644
cpuinfo.h File 1.42 KB 0644
delay.h File 547 B 0644
dma-mapping.h File 547 B 0644
elf.h File 3.2 KB 0644
entry.h File 2.6 KB 0644
io.h File 1.72 KB 0644
irq.h File 907 B 0644
irqflags.h File 1.75 KB 0644
kgdb.h File 1.88 KB 0644
linkage.h File 809 B 0644
mmu.h File 445 B 0644
mmu_context.h File 1.69 KB 0644
page.h File 3.08 KB 0644
pgalloc.h File 1.86 KB 0644
pgtable-bits.h File 1.05 KB 0644
pgtable.h File 7.99 KB 0644
processor.h File 2.18 KB 0644
ptrace.h File 2.29 KB 0644
registers.h File 2.15 KB 0644
setup.h File 1.04 KB 0644
shmparam.h File 804 B 0644
string.h File 618 B 0644
switch_to.h File 866 B 0644
syscall.h File 2.6 KB 0644
syscalls.h File 883 B 0644
thread_info.h File 3.37 KB 0644
timex.h File 912 B 0644
tlb.h File 963 B 0644
tlbflush.h File 1.56 KB 0644
traps.h File 514 B 0644
uaccess.h File 5.18 KB 0644