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/*
* Copyright 2010 Tilera Corporation. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for
* more details.
*/
/**
* @file syscall.h
* Indices for the hypervisor system calls that are intended to be called
* directly, rather than only through hypervisor-generated "glue" code.
*/
#ifndef _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
#define _SYS_HV_INCLUDE_SYSCALL_PUBLIC_H
/** Fast syscall flag bit location. When this bit is set, the hypervisor
* handles the syscall specially.
*/
#define HV_SYS_FAST_SHIFT 14
/** Fast syscall flag bit mask. */
#define HV_SYS_FAST_MASK (1 << HV_SYS_FAST_SHIFT)
/** Bit location for flagging fast syscalls that can be called from PL0. */
#define HV_SYS_FAST_PLO_SHIFT 13
/** Fast syscall allowing PL0 bit mask. */
#define HV_SYS_FAST_PL0_MASK (1 << HV_SYS_FAST_PLO_SHIFT)
/** Perform an MF that waits for all victims to reach DRAM. */
#define HV_SYS_fence_incoherent (51 | HV_SYS_FAST_MASK \
| HV_SYS_FAST_PL0_MASK)
#endif /* !_SYS_HV_INCLUDE_SYSCALL_PUBLIC_H */
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