src/os_cpu/solaris_sparc/vm/assembler_solaris_sparc.cpp

Tue, 23 Nov 2010 13:22:55 -0800

author
stefank
date
Tue, 23 Nov 2010 13:22:55 -0800
changeset 2314
f95d63e2154a
parent 1907
c18cbe5936b8
child 4323
f0c2369fda5a
permissions
-rw-r--r--

6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg

duke@435 1 /*
stefank@2314 2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
duke@435 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435 4 *
duke@435 5 * This code is free software; you can redistribute it and/or modify it
duke@435 6 * under the terms of the GNU General Public License version 2 only, as
duke@435 7 * published by the Free Software Foundation.
duke@435 8 *
duke@435 9 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435 12 * version 2 for more details (a copy is included in the LICENSE file that
duke@435 13 * accompanied this code).
duke@435 14 *
duke@435 15 * You should have received a copy of the GNU General Public License version
duke@435 16 * 2 along with this work; if not, write to the Free Software Foundation,
duke@435 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435 18 *
trims@1907 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907 20 * or visit www.oracle.com if you need additional information or have any
trims@1907 21 * questions.
duke@435 22 *
duke@435 23 */
duke@435 24
stefank@2314 25 #include "precompiled.hpp"
stefank@2314 26 #include "asm/assembler.hpp"
stefank@2314 27 #include "assembler_sparc.inline.hpp"
stefank@2314 28 #include "runtime/os.hpp"
stefank@2314 29 #include "runtime/threadLocalStorage.hpp"
duke@435 30
duke@435 31 #include <sys/trap.h> // For trap numbers
duke@435 32 #include <v9/sys/psr_compat.h> // For V8 compatibility
duke@435 33
duke@435 34 void MacroAssembler::read_ccr_trap(Register ccr_save) {
duke@435 35 // Execute a trap to get the PSR, mask and shift
duke@435 36 // to get the condition codes.
duke@435 37 get_psr_trap();
duke@435 38 nop();
duke@435 39 set(PSR_ICC, ccr_save);
duke@435 40 and3(O0, ccr_save, ccr_save);
duke@435 41 srl(ccr_save, PSR_ICC_SHIFT, ccr_save);
duke@435 42 }
duke@435 43
duke@435 44 void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) {
duke@435 45 // Execute a trap to get the PSR, shift back
duke@435 46 // the condition codes, mask the condition codes
duke@435 47 // back into and PSR and trap to write back the
duke@435 48 // PSR.
duke@435 49 sll(ccr_save, PSR_ICC_SHIFT, scratch2);
duke@435 50 get_psr_trap();
duke@435 51 nop();
duke@435 52 set(~PSR_ICC, scratch1);
duke@435 53 and3(O0, scratch1, O0);
duke@435 54 or3(O0, scratch2, O0);
duke@435 55 set_psr_trap();
duke@435 56 nop();
duke@435 57 }
duke@435 58
duke@435 59 void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); }
duke@435 60 void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); }
duke@435 61 void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); }
duke@435 62 void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }

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