| /* |
| * 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 */ |
