9989f41fd3
- add arm64 dependent codes with GICv3 and SVE support - fix bugs based on architecture separation requests
38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* mman.h COPYRIGHT FUJITSU LIMITED 2015-2016 */
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/* @ref.impl linux-linaro/include/uapi/asm-generic/mman.h */
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#ifndef __HEADER_ARM64_ARCH_MMAN_H
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#define __HEADER_ARM64_ARCH_MMAN_H
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#include <arch-memory.h>
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/*
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* mapping flags
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*/
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#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
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#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
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#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
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#define MAP_LOCKED 0x2000 /* pages are locked */
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#define MAP_NORESERVE 0x4000 /* don't check for reservations */
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#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
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#define MAP_NONBLOCK 0x10000 /* do not block on IO */
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#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */
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#define MAP_HUGETLB 0x40000 /* create a huge page mapping */
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/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
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#define MAP_HUGE_SHIFT 26
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#if FIRST_LEVEL_BLOCK_SUPPORT
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# define MAP_HUGE_FIRST_BLOCK (__PTL3_SHIFT << MAP_HUGE_SHIFT)
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#else
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# define MAP_HUGE_FIRST_BLOCK -1 /* not supported */
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#endif
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#define MAP_HUGE_SECOND_BLOCK (__PTL2_SHIFT << MAP_HUGE_SHIFT)
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/*
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* for mlockall()
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*/
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#define MCL_CURRENT 1 /* lock all current mappings */
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#define MCL_FUTURE 2 /* lock all future mappings */
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#endif /* __HEADER_ARM64_ARCH_MMAN_H */
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