| /* | |
| * 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 */ |