1 /* 2 * Copyright (c) 2013 Christian Svensson <blue (at) cmd.nu> 3 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv (at) altlinux.org> 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "defs.h" 30 31 #ifdef OR1K 32 33 #define OR1K_ATOMIC_SWAP 1 34 #define OR1K_ATOMIC_CMPXCHG 2 35 #define OR1K_ATOMIC_XCHG 3 36 #define OR1K_ATOMIC_ADD 4 37 #define OR1K_ATOMIC_DECPOS 5 38 #define OR1K_ATOMIC_AND 6 39 #define OR1K_ATOMIC_OR 7 40 #define OR1K_ATOMIC_UMAX 8 41 #define OR1K_ATOMIC_UMIN 9 42 43 #include "xlat/atomic_ops.h" 44 45 SYS_FUNC(or1k_atomic) 46 { 47 printxval(atomic_ops, tcp->u_arg[0], "???"); 48 switch(tcp->u_arg[0]) { 49 case OR1K_ATOMIC_SWAP: 50 tprintf(", 0x%lx, 0x%lx", tcp->u_arg[1], tcp->u_arg[2]); 51 break; 52 case OR1K_ATOMIC_CMPXCHG: 53 tprintf(", 0x%lx, %#lx, %#lx", tcp->u_arg[1], tcp->u_arg[2], 54 tcp->u_arg[3]); 55 break; 56 57 case OR1K_ATOMIC_XCHG: 58 case OR1K_ATOMIC_ADD: 59 case OR1K_ATOMIC_AND: 60 case OR1K_ATOMIC_OR: 61 case OR1K_ATOMIC_UMAX: 62 case OR1K_ATOMIC_UMIN: 63 tprintf(", 0x%lx, %#lx", tcp->u_arg[1], tcp->u_arg[2]); 64 break; 65 66 case OR1K_ATOMIC_DECPOS: 67 tprintf(", 0x%lx", tcp->u_arg[1]); 68 break; 69 70 default: 71 break; 72 } 73 74 return RVAL_DECODED | RVAL_HEX; 75 } 76 77 #endif /* OR1K */ 78
