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diff --git a/arch/tile/include/hv/syscall_public.h b/arch/tile/include/hv/syscall_public.h
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1/*
2 * Copyright 2010 Tilera Corporation. All Rights Reserved.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation, version 2.
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11 * NON INFRINGEMENT. See the GNU General Public License for
12 * more details.
13 */
14
15/**
16 * @file syscall.h
17 * Indices for the hypervisor system calls that are intended to be called
18 * directly, rather than only through hypervisor-generated "glue" code.
19 */
20
21#ifndef _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
22#define _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
23
24/** Fast syscall flag bit location. When this bit is set, the hypervisor
25 * handles the syscall specially.
26 */
27#define HV_SYS_FAST_SHIFT 14
28
29/** Fast syscall flag bit mask. */
30#define HV_SYS_FAST_MASK (1 << HV_SYS_FAST_SHIFT)
31
32/** Bit location for flagging fast syscalls that can be called from PL0. */
33#define HV_SYS_FAST_PLO_SHIFT 13
34
35/** Fast syscall allowing PL0 bit mask. */
36#define HV_SYS_FAST_PL0_MASK (1 << HV_SYS_FAST_PLO_SHIFT)
37
38/** Perform an MF that waits for all victims to reach DRAM. */
39#define HV_SYS_fence_incoherent (51 | HV_SYS_FAST_MASK \
40 | HV_SYS_FAST_PL0_MASK)
41
42#endif /* !_SYS_HV_INCLUDE_SYSCALL_PUBLIC_H */