1 #ifdef USE_PRAGMA_IDENT_SRC 2 #pragma ident "@(#)assembler_solaris_sparc.cpp 1.11 07/05/05 17:04:53 JVM" 3 #endif 4 /* 5 * Copyright 1999-2008 Sun Microsystems, Inc. All Rights Reserved. 6 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 7 * 8 * This code is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License version 2 only, as 10 * published by the Free Software Foundation. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 23 * CA 95054 USA or visit www.sun.com if you need additional information or 24 * have any questions. 25 * 26 */ 27 28 #include "incls/_precompiled.incl" 29 #include "incls/_assembler_solaris_sparc.cpp.incl" 30 31 #include <sys/trap.h> // For trap numbers 32 #include <v9/sys/psr_compat.h> // For V8 compatibility 33 34 void MacroAssembler::read_ccr_trap(Register ccr_save) { 35 // Execute a trap to get the PSR, mask and shift 36 // to get the condition codes. 37 get_psr_trap(); 38 nop(); 39 set(PSR_ICC, ccr_save); 40 and3(O0, ccr_save, ccr_save); 41 srl(ccr_save, PSR_ICC_SHIFT, ccr_save); 42 } 43 44 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) { 45 // Execute a trap to get the PSR, shift back 46 // the condition codes, mask the condition codes 47 // back into and PSR and trap to write back the 48 // PSR. 49 sll(ccr_save, PSR_ICC_SHIFT, scratch2); 50 get_psr_trap(); 51 nop(); 52 set(~PSR_ICC, scratch1); 53 and3(O0, scratch1, O0); 54 or3(O0, scratch2, O0); 55 set_psr_trap(); 56 nop(); 57 } 58 59 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); } 60 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); } 61 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); } 62 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }