/* * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (c) 2001-2008 Silicon Graphics, Inc. All rights reserved. */ #ifndef _ASM_IA64_SN_MSPEC_H #define _ASM_IA64_SN_MSPEC_H #define FETCHOP_VAR_SIZE 64 /* 64 byte per fetchop variable */ #define FETCHOP_LOAD 0 #define FETCHOP_INCREMENT 8 #define FETCHOP_DECREMENT 16 #define FETCHOP_CLEAR 24 #define FETCHOP_STORE 0 #define FETCHOP_AND 24 #define FETCHOP_OR 32 #define FETCHOP_CLEAR_CACHE 56 #define FETCHOP_LOAD_OP(addr, op) ( \ *(volatile long *)((char*) (addr) + (op))) #define FETCHOP_STORE_OP(addr, op, x) ( \ *(volatile long *)((char*) (addr) + (op)) = (long) (x)) #ifdef __KERNEL__ /* * Each Atomic Memory Operation (amo, formerly known as fetchop) * variable is 64 bytes long. The first 8 bytes are used. The * remaining 56 bytes are unaddressable due to the operation taking * that portion of the address. * * NOTE: The amo structure _MUST_ be placed in either the first or second * half of the cache line. The cache line _MUST NOT_ be used for anything * other than additional amo entries. This is because there are two * addresses which reference the same physical cache line. One will * be a cached entry with the memory type bits all set. This address * may be loaded into processor cache. The amo will be referenced * uncached via the memory special memory type. If any portion of the * cached cache-line is modified, when that line is flushed, it will * overwrite the uncached value in physical memory and lead to * inconsistency. */ struct amo { u64 variable; u64 unused[7]; }; #endif /* __KERNEL__ */ #endif /* _ASM_IA64_SN_MSPEC_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jes Sorensen | 84 | 95.45% | 1 | 50.00% |
| Dean Nelson | 4 | 4.55% | 1 | 50.00% |
| Total | 88 | 100.00% | 2 | 100.00% |