diff options
Diffstat (limited to 'arch/tile/include/hv/syscall_public.h')
-rw-r--r-- | arch/tile/include/hv/syscall_public.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/tile/include/hv/syscall_public.h b/arch/tile/include/hv/syscall_public.h new file mode 100644 index 000000000000..9cc0837e69fd --- /dev/null +++ b/arch/tile/include/hv/syscall_public.h | |||
@@ -0,0 +1,42 @@ | |||
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 */ | ||