From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001 From: Yuval Adam <_@yuv.al> Date: Wed, 30 Aug 2017 08:25:59 +0000 Subject: Initial file dump from open source release --- arch/tile/include/hv/syscall_public.h | 42 +++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 arch/tile/include/hv/syscall_public.h (limited to 'arch/tile/include/hv/syscall_public.h') diff --git a/arch/tile/include/hv/syscall_public.h b/arch/tile/include/hv/syscall_public.h new file mode 100644 index 00000000..9cc0837e --- /dev/null +++ b/arch/tile/include/hv/syscall_public.h @@ -0,0 +1,42 @@ +/* + * 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 */ -- cgit v1.3.1