mirror of https://gitee.com/openkylin/linux.git
43 lines
1.5 KiB
C
43 lines
1.5 KiB
C
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/*
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* Copyright 2010 Tilera Corporation. All Rights Reserved.
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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, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for
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* more details.
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*/
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/**
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* @file syscall.h
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* Indices for the hypervisor system calls that are intended to be called
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* directly, rather than only through hypervisor-generated "glue" code.
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*/
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#ifndef _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
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#define _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
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/** Fast syscall flag bit location. When this bit is set, the hypervisor
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* handles the syscall specially.
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*/
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#define HV_SYS_FAST_SHIFT 14
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/** Fast syscall flag bit mask. */
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#define HV_SYS_FAST_MASK (1 << HV_SYS_FAST_SHIFT)
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/** Bit location for flagging fast syscalls that can be called from PL0. */
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#define HV_SYS_FAST_PLO_SHIFT 13
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/** Fast syscall allowing PL0 bit mask. */
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#define HV_SYS_FAST_PL0_MASK (1 << HV_SYS_FAST_PLO_SHIFT)
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/** Perform an MF that waits for all victims to reach DRAM. */
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#define HV_SYS_fence_incoherent (51 | HV_SYS_FAST_MASK \
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| HV_SYS_FAST_PL0_MASK)
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#endif /* !_SYS_HV_INCLUDE_SYSCALL_PUBLIC_H */
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