1 /* 2 * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "incls/_precompiled.incl" 26 #include "incls/_assembler_solaris_sparc.cpp.incl" 27 28 #include <sys/trap.h> // For trap numbers 29 #include <v9/sys/psr_compat.h> // For V8 compatibility 30 31 void MacroAssembler::read_ccr_trap(Register ccr_save) { 32 // Execute a trap to get the PSR, mask and shift 33 // to get the condition codes. 34 get_psr_trap(); 35 nop(); 36 set(PSR_ICC, ccr_save); 37 and3(O0, ccr_save, ccr_save); 38 srl(ccr_save, PSR_ICC_SHIFT, ccr_save); 39 } 40 41 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) { 42 // Execute a trap to get the PSR, shift back 43 // the condition codes, mask the condition codes 44 // back into and PSR and trap to write back the 45 // PSR. 46 sll(ccr_save, PSR_ICC_SHIFT, scratch2); 47 get_psr_trap(); 48 nop(); 49 set(~PSR_ICC, scratch1); 50 and3(O0, scratch1, O0); 51 or3(O0, scratch2, O0); 52 set_psr_trap(); 53 nop(); 54 } 55 56 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); } 57 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); } 58 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); } 59 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }