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/*
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* MIPS emulation micro-operations for qemu.
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*
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* Copyright (c) 2004-2005 Jocelyn Mayer
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* Copyright (c) 2006 Marius Groeger (FPU operations)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h" |
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#include "exec.h" |
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#ifndef CALL_FROM_TB0
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#define CALL_FROM_TB0(func) func();
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#endif
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#ifndef CALL_FROM_TB1
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#define CALL_FROM_TB1(func, arg0) func(arg0);
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#endif
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#ifndef CALL_FROM_TB1_CONST16
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#define CALL_FROM_TB1_CONST16(func, arg0) CALL_FROM_TB1(func, arg0);
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#endif
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#ifndef CALL_FROM_TB2
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#define CALL_FROM_TB2(func, arg0, arg1) func(arg0, arg1);
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#endif
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#ifndef CALL_FROM_TB2_CONST16
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#define CALL_FROM_TB2_CONST16(func, arg0, arg1) \
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CALL_FROM_TB2(func, arg0, arg1); |
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#endif
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#ifndef CALL_FROM_TB3
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#define CALL_FROM_TB3(func, arg0, arg1, arg2) func(arg0, arg1, arg2);
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#endif
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#ifndef CALL_FROM_TB4
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#define CALL_FROM_TB4(func, arg0, arg1, arg2, arg3) \
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func(arg0, arg1, arg2, arg3); |
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#endif
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#define REG 1 |
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#include "op_template.c" |
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#undef REG
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#define REG 2 |
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#include "op_template.c" |
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#undef REG
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#define REG 3 |
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#include "op_template.c" |
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#undef REG
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#define REG 4 |
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#include "op_template.c" |
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#undef REG
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#define REG 5 |
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#include "op_template.c" |
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#undef REG
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#define REG 6 |
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#include "op_template.c" |
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#undef REG
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#define REG 7 |
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#include "op_template.c" |
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#undef REG
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#define REG 8 |
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#include "op_template.c" |
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#undef REG
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#define REG 9 |
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#include "op_template.c" |
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#undef REG
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#define REG 10 |
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#include "op_template.c" |
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#undef REG
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#define REG 11 |
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#include "op_template.c" |
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#undef REG
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#define REG 12 |
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#include "op_template.c" |
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#undef REG
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#define REG 13 |
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#include "op_template.c" |
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#undef REG
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#define REG 14 |
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#include "op_template.c" |
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#undef REG
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#define REG 15 |
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#include "op_template.c" |
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#undef REG
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#define REG 16 |
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#include "op_template.c" |
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#undef REG
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#define REG 17 |
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#include "op_template.c" |
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#undef REG
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#define REG 18 |
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#include "op_template.c" |
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#undef REG
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#define REG 19 |
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#include "op_template.c" |
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#undef REG
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#define REG 20 |
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#include "op_template.c" |
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#undef REG
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#define REG 21 |
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#include "op_template.c" |
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#undef REG
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#define REG 22 |
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#include "op_template.c" |
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#undef REG
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#define REG 23 |
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#include "op_template.c" |
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#undef REG
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#define REG 24 |
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#include "op_template.c" |
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#undef REG
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#define REG 25 |
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#include "op_template.c" |
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#undef REG
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#define REG 26 |
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#include "op_template.c" |
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#undef REG
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#define REG 27 |
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#include "op_template.c" |
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#undef REG
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#define REG 28 |
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#include "op_template.c" |
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#undef REG
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#define REG 29 |
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#include "op_template.c" |
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#undef REG
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#define REG 30 |
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#include "op_template.c" |
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#undef REG
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#define REG 31 |
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#include "op_template.c" |
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#undef REG
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#define TN T0
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#include "op_template.c" |
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#undef TN
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#define TN T1
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#include "op_template.c" |
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#undef TN
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#define TN T2
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#include "op_template.c" |
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#undef TN
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#ifdef MIPS_USES_FPU
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#define SFREG 0 |
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#define DFREG 0 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 1 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 2 |
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#define DFREG 2 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 3 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 4 |
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#define DFREG 4 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 5 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 6 |
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#define DFREG 6 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 7 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 8 |
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#define DFREG 8 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 9 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 10 |
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#define DFREG 10 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 11 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 12 |
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#define DFREG 12 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 13 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 14 |
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#define DFREG 14 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 15 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 16 |
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#define DFREG 16 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 17 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 18 |
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#define DFREG 18 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 19 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 20 |
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#define DFREG 20 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 21 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 22 |
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#define DFREG 22 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 23 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 24 |
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#define DFREG 24 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 25 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 26 |
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#define DFREG 26 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 27 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 28 |
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#define DFREG 28 |
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#include "fop_template.c" |
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#undef SFREG
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#undef DFREG
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#define SFREG 29 |
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#include "fop_template.c" |
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#undef SFREG
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#define SFREG 30 |
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#define DFREG 30 |
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#include "fop_template.c" |
278 |
#undef SFREG
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#undef DFREG
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#define SFREG 31 |
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#include "fop_template.c" |
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#undef SFREG
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#define FTN
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#include "fop_template.c" |
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#undef FTN
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#endif
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void op_dup_T0 (void) |
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{ |
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T2 = T0; |
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RETURN(); |
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} |
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void op_load_HI (void) |
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{ |
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T0 = env->HI; |
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RETURN(); |
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} |
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void op_store_HI (void) |
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{ |
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env->HI = T0; |
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RETURN(); |
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} |
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void op_load_LO (void) |
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{ |
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T0 = env->LO; |
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RETURN(); |
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} |
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void op_store_LO (void) |
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{ |
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env->LO = T0; |
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RETURN(); |
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} |
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/* Load and store */
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#define MEMSUFFIX _raw
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#include "op_mem.c" |
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#undef MEMSUFFIX
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#if !defined(CONFIG_USER_ONLY)
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#define MEMSUFFIX _user
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#include "op_mem.c" |
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#undef MEMSUFFIX
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#define MEMSUFFIX _kernel
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#include "op_mem.c" |
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#undef MEMSUFFIX
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#endif
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/* Arithmetic */
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void op_add (void) |
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{ |
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T0 += T1; |
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RETURN(); |
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} |
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void op_addo (void) |
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{ |
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target_ulong tmp; |
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tmp = T0; |
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T0 += T1; |
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if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 31) { |
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/* operands of same sign, result different sign */
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CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
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} |
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RETURN(); |
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} |
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void op_sub (void) |
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{ |
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T0 -= T1; |
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RETURN(); |
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} |
359 |
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void op_subo (void) |
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{ |
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target_ulong tmp; |
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tmp = T0; |
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T0 = (int32_t)T0 - (int32_t)T1; |
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if (((tmp ^ T1) & (tmp ^ T0)) >> 31) { |
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/* operands of different sign, first operand and result different sign */
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CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
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} |
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RETURN(); |
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} |
372 |
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void op_mul (void) |
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{ |
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T0 = (int32_t)T0 * (int32_t)T1; |
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RETURN(); |
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} |
378 |
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void op_div (void) |
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{ |
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if (T1 != 0) { |
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env->LO = (int32_t)T0 / (int32_t)T1; |
383 |
env->HI = (int32_t)T0 % (int32_t)T1; |
384 |
} |
385 |
RETURN(); |
386 |
} |
387 |
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388 |
void op_divu (void) |
389 |
{ |
390 |
if (T1 != 0) { |
391 |
env->LO = T0 / T1; |
392 |
env->HI = T0 % T1; |
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} |
394 |
RETURN(); |
395 |
} |
396 |
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/* Logical */
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398 |
void op_and (void) |
399 |
{ |
400 |
T0 &= T1; |
401 |
RETURN(); |
402 |
} |
403 |
|
404 |
void op_nor (void) |
405 |
{ |
406 |
T0 = ~(T0 | T1); |
407 |
RETURN(); |
408 |
} |
409 |
|
410 |
void op_or (void) |
411 |
{ |
412 |
T0 |= T1; |
413 |
RETURN(); |
414 |
} |
415 |
|
416 |
void op_xor (void) |
417 |
{ |
418 |
T0 ^= T1; |
419 |
RETURN(); |
420 |
} |
421 |
|
422 |
void op_sll (void) |
423 |
{ |
424 |
T0 = T0 << T1; |
425 |
RETURN(); |
426 |
} |
427 |
|
428 |
void op_sra (void) |
429 |
{ |
430 |
T0 = (int32_t)T0 >> T1; |
431 |
RETURN(); |
432 |
} |
433 |
|
434 |
void op_srl (void) |
435 |
{ |
436 |
T0 = T0 >> T1; |
437 |
RETURN(); |
438 |
} |
439 |
|
440 |
void op_sllv (void) |
441 |
{ |
442 |
T0 = T1 << (T0 & 0x1F);
|
443 |
RETURN(); |
444 |
} |
445 |
|
446 |
void op_srav (void) |
447 |
{ |
448 |
T0 = (int32_t)T1 >> (T0 & 0x1F);
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449 |
RETURN(); |
450 |
} |
451 |
|
452 |
void op_srlv (void) |
453 |
{ |
454 |
T0 = T1 >> (T0 & 0x1F);
|
455 |
RETURN(); |
456 |
} |
457 |
|
458 |
void op_clo (void) |
459 |
{ |
460 |
int n;
|
461 |
|
462 |
if (T0 == (target_ulong)-1) { |
463 |
T0 = 32;
|
464 |
} else {
|
465 |
for (n = 0; n < 32; n++) { |
466 |
if (!(T0 & (1 << 31))) |
467 |
break;
|
468 |
T0 = T0 << 1;
|
469 |
} |
470 |
T0 = n; |
471 |
} |
472 |
RETURN(); |
473 |
} |
474 |
|
475 |
void op_clz (void) |
476 |
{ |
477 |
int n;
|
478 |
|
479 |
if (T0 == 0) { |
480 |
T0 = 32;
|
481 |
} else {
|
482 |
for (n = 0; n < 32; n++) { |
483 |
if (T0 & (1 << 31)) |
484 |
break;
|
485 |
T0 = T0 << 1;
|
486 |
} |
487 |
T0 = n; |
488 |
} |
489 |
RETURN(); |
490 |
} |
491 |
|
492 |
/* 64 bits arithmetic */
|
493 |
#if (HOST_LONG_BITS == 64) |
494 |
static inline uint64_t get_HILO (void) |
495 |
{ |
496 |
return ((uint64_t)env->HI << 32) | (uint64_t)env->LO; |
497 |
} |
498 |
|
499 |
static inline void set_HILO (uint64_t HILO) |
500 |
{ |
501 |
env->LO = HILO & 0xFFFFFFFF;
|
502 |
env->HI = HILO >> 32;
|
503 |
} |
504 |
|
505 |
void op_mult (void) |
506 |
{ |
507 |
set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
508 |
RETURN(); |
509 |
} |
510 |
|
511 |
void op_multu (void) |
512 |
{ |
513 |
set_HILO((uint64_t)T0 * (uint64_t)T1); |
514 |
RETURN(); |
515 |
} |
516 |
|
517 |
void op_madd (void) |
518 |
{ |
519 |
int64_t tmp; |
520 |
|
521 |
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
522 |
set_HILO((int64_t)get_HILO() + tmp); |
523 |
RETURN(); |
524 |
} |
525 |
|
526 |
void op_maddu (void) |
527 |
{ |
528 |
uint64_t tmp; |
529 |
|
530 |
tmp = ((uint64_t)T0 * (uint64_t)T1); |
531 |
set_HILO(get_HILO() + tmp); |
532 |
RETURN(); |
533 |
} |
534 |
|
535 |
void op_msub (void) |
536 |
{ |
537 |
int64_t tmp; |
538 |
|
539 |
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
540 |
set_HILO((int64_t)get_HILO() - tmp); |
541 |
RETURN(); |
542 |
} |
543 |
|
544 |
void op_msubu (void) |
545 |
{ |
546 |
uint64_t tmp; |
547 |
|
548 |
tmp = ((uint64_t)T0 * (uint64_t)T1); |
549 |
set_HILO(get_HILO() - tmp); |
550 |
RETURN(); |
551 |
} |
552 |
#else
|
553 |
void op_mult (void) |
554 |
{ |
555 |
CALL_FROM_TB0(do_mult); |
556 |
RETURN(); |
557 |
} |
558 |
|
559 |
void op_multu (void) |
560 |
{ |
561 |
CALL_FROM_TB0(do_multu); |
562 |
RETURN(); |
563 |
} |
564 |
|
565 |
void op_madd (void) |
566 |
{ |
567 |
CALL_FROM_TB0(do_madd); |
568 |
RETURN(); |
569 |
} |
570 |
|
571 |
void op_maddu (void) |
572 |
{ |
573 |
CALL_FROM_TB0(do_maddu); |
574 |
RETURN(); |
575 |
} |
576 |
|
577 |
void op_msub (void) |
578 |
{ |
579 |
CALL_FROM_TB0(do_msub); |
580 |
RETURN(); |
581 |
} |
582 |
|
583 |
void op_msubu (void) |
584 |
{ |
585 |
CALL_FROM_TB0(do_msubu); |
586 |
RETURN(); |
587 |
} |
588 |
#endif
|
589 |
|
590 |
/* Conditional moves */
|
591 |
void op_movn (void) |
592 |
{ |
593 |
if (T1 != 0) |
594 |
env->gpr[PARAM1] = T0; |
595 |
RETURN(); |
596 |
} |
597 |
|
598 |
void op_movz (void) |
599 |
{ |
600 |
if (T1 == 0) |
601 |
env->gpr[PARAM1] = T0; |
602 |
RETURN(); |
603 |
} |
604 |
|
605 |
/* Tests */
|
606 |
#define OP_COND(name, cond) \
|
607 |
void glue(op_, name) (void) \ |
608 |
{ \ |
609 |
if (cond) { \
|
610 |
T0 = 1; \
|
611 |
} else { \
|
612 |
T0 = 0; \
|
613 |
} \ |
614 |
RETURN(); \ |
615 |
} |
616 |
|
617 |
OP_COND(eq, T0 == T1); |
618 |
OP_COND(ne, T0 != T1); |
619 |
OP_COND(ge, (int32_t)T0 >= (int32_t)T1); |
620 |
OP_COND(geu, T0 >= T1); |
621 |
OP_COND(lt, (int32_t)T0 < (int32_t)T1); |
622 |
OP_COND(ltu, T0 < T1); |
623 |
OP_COND(gez, (int32_t)T0 >= 0);
|
624 |
OP_COND(gtz, (int32_t)T0 > 0);
|
625 |
OP_COND(lez, (int32_t)T0 <= 0);
|
626 |
OP_COND(ltz, (int32_t)T0 < 0);
|
627 |
|
628 |
/* Branchs */
|
629 |
//#undef USE_DIRECT_JUMP
|
630 |
|
631 |
void OPPROTO op_goto_tb0(void) |
632 |
{ |
633 |
GOTO_TB(op_goto_tb0, PARAM1, 0);
|
634 |
} |
635 |
|
636 |
void OPPROTO op_goto_tb1(void) |
637 |
{ |
638 |
GOTO_TB(op_goto_tb1, PARAM1, 1);
|
639 |
} |
640 |
|
641 |
/* Branch to register */
|
642 |
void op_save_breg_target (void) |
643 |
{ |
644 |
env->btarget = T2; |
645 |
} |
646 |
|
647 |
void op_restore_breg_target (void) |
648 |
{ |
649 |
T2 = env->btarget; |
650 |
} |
651 |
|
652 |
void op_breg (void) |
653 |
{ |
654 |
env->PC = T2; |
655 |
RETURN(); |
656 |
} |
657 |
|
658 |
void op_save_btarget (void) |
659 |
{ |
660 |
env->btarget = PARAM1; |
661 |
RETURN(); |
662 |
} |
663 |
|
664 |
/* Conditional branch */
|
665 |
void op_set_bcond (void) |
666 |
{ |
667 |
T2 = T0; |
668 |
RETURN(); |
669 |
} |
670 |
|
671 |
void op_save_bcond (void) |
672 |
{ |
673 |
env->bcond = T2; |
674 |
RETURN(); |
675 |
} |
676 |
|
677 |
void op_restore_bcond (void) |
678 |
{ |
679 |
T2 = env->bcond; |
680 |
RETURN(); |
681 |
} |
682 |
|
683 |
void op_jnz_T2 (void) |
684 |
{ |
685 |
if (T2)
|
686 |
GOTO_LABEL_PARAM(1);
|
687 |
RETURN(); |
688 |
} |
689 |
|
690 |
/* CP0 functions */
|
691 |
void op_mfc0_index (void) |
692 |
{ |
693 |
T0 = env->CP0_index; |
694 |
RETURN(); |
695 |
} |
696 |
|
697 |
void op_mfc0_random (void) |
698 |
{ |
699 |
CALL_FROM_TB0(do_mfc0_random); |
700 |
RETURN(); |
701 |
} |
702 |
|
703 |
void op_mfc0_entrylo0 (void) |
704 |
{ |
705 |
T0 = env->CP0_EntryLo0; |
706 |
RETURN(); |
707 |
} |
708 |
|
709 |
void op_mfc0_entrylo1 (void) |
710 |
{ |
711 |
T0 = env->CP0_EntryLo1; |
712 |
RETURN(); |
713 |
} |
714 |
|
715 |
void op_mfc0_context (void) |
716 |
{ |
717 |
T0 = env->CP0_Context; |
718 |
RETURN(); |
719 |
} |
720 |
|
721 |
void op_mfc0_pagemask (void) |
722 |
{ |
723 |
T0 = env->CP0_PageMask; |
724 |
RETURN(); |
725 |
} |
726 |
|
727 |
void op_mfc0_wired (void) |
728 |
{ |
729 |
T0 = env->CP0_Wired; |
730 |
RETURN(); |
731 |
} |
732 |
|
733 |
void op_mfc0_badvaddr (void) |
734 |
{ |
735 |
T0 = env->CP0_BadVAddr; |
736 |
RETURN(); |
737 |
} |
738 |
|
739 |
void op_mfc0_count (void) |
740 |
{ |
741 |
CALL_FROM_TB0(do_mfc0_count); |
742 |
RETURN(); |
743 |
} |
744 |
|
745 |
void op_mfc0_entryhi (void) |
746 |
{ |
747 |
T0 = env->CP0_EntryHi; |
748 |
RETURN(); |
749 |
} |
750 |
|
751 |
void op_mfc0_compare (void) |
752 |
{ |
753 |
T0 = env->CP0_Compare; |
754 |
RETURN(); |
755 |
} |
756 |
|
757 |
void op_mfc0_status (void) |
758 |
{ |
759 |
T0 = env->CP0_Status; |
760 |
if (env->hflags & MIPS_HFLAG_UM)
|
761 |
T0 |= (1 << CP0St_UM);
|
762 |
if (env->hflags & MIPS_HFLAG_ERL)
|
763 |
T0 |= (1 << CP0St_ERL);
|
764 |
if (env->hflags & MIPS_HFLAG_EXL)
|
765 |
T0 |= (1 << CP0St_EXL);
|
766 |
RETURN(); |
767 |
} |
768 |
|
769 |
void op_mfc0_cause (void) |
770 |
{ |
771 |
T0 = env->CP0_Cause; |
772 |
RETURN(); |
773 |
} |
774 |
|
775 |
void op_mfc0_epc (void) |
776 |
{ |
777 |
T0 = env->CP0_EPC; |
778 |
RETURN(); |
779 |
} |
780 |
|
781 |
void op_mfc0_prid (void) |
782 |
{ |
783 |
T0 = env->CP0_PRid; |
784 |
RETURN(); |
785 |
} |
786 |
|
787 |
void op_mfc0_config0 (void) |
788 |
{ |
789 |
T0 = env->CP0_Config0; |
790 |
RETURN(); |
791 |
} |
792 |
|
793 |
void op_mfc0_config1 (void) |
794 |
{ |
795 |
T0 = env->CP0_Config1; |
796 |
RETURN(); |
797 |
} |
798 |
|
799 |
void op_mfc0_lladdr (void) |
800 |
{ |
801 |
T0 = env->CP0_LLAddr >> 4;
|
802 |
RETURN(); |
803 |
} |
804 |
|
805 |
void op_mfc0_watchlo (void) |
806 |
{ |
807 |
T0 = env->CP0_WatchLo; |
808 |
RETURN(); |
809 |
} |
810 |
|
811 |
void op_mfc0_watchhi (void) |
812 |
{ |
813 |
T0 = env->CP0_WatchHi; |
814 |
RETURN(); |
815 |
} |
816 |
|
817 |
void op_mfc0_debug (void) |
818 |
{ |
819 |
T0 = env->CP0_Debug; |
820 |
if (env->hflags & MIPS_HFLAG_DM)
|
821 |
T0 |= 1 << CP0DB_DM;
|
822 |
RETURN(); |
823 |
} |
824 |
|
825 |
void op_mfc0_depc (void) |
826 |
{ |
827 |
T0 = env->CP0_DEPC; |
828 |
RETURN(); |
829 |
} |
830 |
|
831 |
void op_mfc0_taglo (void) |
832 |
{ |
833 |
T0 = env->CP0_TagLo; |
834 |
RETURN(); |
835 |
} |
836 |
|
837 |
void op_mfc0_datalo (void) |
838 |
{ |
839 |
T0 = env->CP0_DataLo; |
840 |
RETURN(); |
841 |
} |
842 |
|
843 |
void op_mfc0_errorepc (void) |
844 |
{ |
845 |
T0 = env->CP0_ErrorEPC; |
846 |
RETURN(); |
847 |
} |
848 |
|
849 |
void op_mfc0_desave (void) |
850 |
{ |
851 |
T0 = env->CP0_DESAVE; |
852 |
RETURN(); |
853 |
} |
854 |
|
855 |
void op_mtc0_index (void) |
856 |
{ |
857 |
env->CP0_index = (env->CP0_index & 0x80000000) | (T0 & 0x0000000F); |
858 |
RETURN(); |
859 |
} |
860 |
|
861 |
void op_mtc0_entrylo0 (void) |
862 |
{ |
863 |
env->CP0_EntryLo0 = T0 & 0x3FFFFFFF;
|
864 |
RETURN(); |
865 |
} |
866 |
|
867 |
void op_mtc0_entrylo1 (void) |
868 |
{ |
869 |
env->CP0_EntryLo1 = T0 & 0x3FFFFFFF;
|
870 |
RETURN(); |
871 |
} |
872 |
|
873 |
void op_mtc0_context (void) |
874 |
{ |
875 |
env->CP0_Context = (env->CP0_Context & 0xFF800000) | (T0 & 0x007FFFF0); |
876 |
RETURN(); |
877 |
} |
878 |
|
879 |
void op_mtc0_pagemask (void) |
880 |
{ |
881 |
env->CP0_PageMask = T0 & 0x01FFE000;
|
882 |
RETURN(); |
883 |
} |
884 |
|
885 |
void op_mtc0_wired (void) |
886 |
{ |
887 |
env->CP0_Wired = T0 & 0x0000000F;
|
888 |
RETURN(); |
889 |
} |
890 |
|
891 |
void op_mtc0_count (void) |
892 |
{ |
893 |
CALL_FROM_TB2(cpu_mips_store_count, env, T0); |
894 |
RETURN(); |
895 |
} |
896 |
|
897 |
void op_mtc0_entryhi (void) |
898 |
{ |
899 |
uint32_t old, val; |
900 |
|
901 |
val = T0 & 0xFFFFE0FF;
|
902 |
old = env->CP0_EntryHi; |
903 |
env->CP0_EntryHi = val; |
904 |
/* If the ASID changes, flush qemu's TLB. */
|
905 |
if ((old & 0xFF) != (val & 0xFF)) |
906 |
CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
|
907 |
RETURN(); |
908 |
} |
909 |
|
910 |
void op_mtc0_compare (void) |
911 |
{ |
912 |
CALL_FROM_TB2(cpu_mips_store_compare, env, T0); |
913 |
RETURN(); |
914 |
} |
915 |
|
916 |
void op_mtc0_status (void) |
917 |
{ |
918 |
uint32_t val, old, mask; |
919 |
|
920 |
val = T0 & 0xFA78FF01;
|
921 |
old = env->CP0_Status; |
922 |
if (T0 & (1 << CP0St_UM)) |
923 |
env->hflags |= MIPS_HFLAG_UM; |
924 |
else
|
925 |
env->hflags &= ~MIPS_HFLAG_UM; |
926 |
if (T0 & (1 << CP0St_ERL)) |
927 |
env->hflags |= MIPS_HFLAG_ERL; |
928 |
else
|
929 |
env->hflags &= ~MIPS_HFLAG_ERL; |
930 |
if (T0 & (1 << CP0St_EXL)) |
931 |
env->hflags |= MIPS_HFLAG_EXL; |
932 |
else
|
933 |
env->hflags &= ~MIPS_HFLAG_EXL; |
934 |
env->CP0_Status = val; |
935 |
/* If we unmasked an asserted IRQ, raise it */
|
936 |
mask = 0x0000FF00;
|
937 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
938 |
CALL_FROM_TB2(do_mtc0_status_debug, old, val); |
939 |
if ((val & (1 << CP0St_IE)) && !(old & (1 << CP0St_IE)) && |
940 |
!(env->hflags & MIPS_HFLAG_EXL) && |
941 |
!(env->hflags & MIPS_HFLAG_ERL) && |
942 |
!(env->hflags & MIPS_HFLAG_DM) && |
943 |
(env->CP0_Status & env->CP0_Cause & mask)) { |
944 |
env->interrupt_request |= CPU_INTERRUPT_HARD; |
945 |
if (logfile)
|
946 |
CALL_FROM_TB0(do_mtc0_status_irqraise_debug); |
947 |
} else if (!(val & (1 << CP0St_IE)) && (old & (1 << CP0St_IE))) { |
948 |
env->interrupt_request &= ~CPU_INTERRUPT_HARD; |
949 |
} |
950 |
RETURN(); |
951 |
} |
952 |
|
953 |
void op_mtc0_cause (void) |
954 |
{ |
955 |
uint32_t val, old; |
956 |
|
957 |
val = (env->CP0_Cause & 0xB000F87C) | (T0 & 0x000C00300); |
958 |
old = env->CP0_Cause; |
959 |
env->CP0_Cause = val; |
960 |
#if 0
|
961 |
{
|
962 |
int i, mask;
|
963 |
|
964 |
/* Check if we ever asserted a software IRQ */
|
965 |
for (i = 0; i < 2; i++) {
|
966 |
mask = 0x100 << i;
|
967 |
if ((val & mask) & !(old & mask))
|
968 |
CALL_FROM_TB1(mips_set_irq, i);
|
969 |
}
|
970 |
}
|
971 |
#endif
|
972 |
RETURN(); |
973 |
} |
974 |
|
975 |
void op_mtc0_epc (void) |
976 |
{ |
977 |
env->CP0_EPC = T0; |
978 |
RETURN(); |
979 |
} |
980 |
|
981 |
void op_mtc0_config0 (void) |
982 |
{ |
983 |
#if defined(MIPS_USES_R4K_TLB)
|
984 |
env->CP0_Config0 = (env->CP0_Config0 & 0x8017FF80) | (T0 & 0x7E000001); |
985 |
#else
|
986 |
env->CP0_Config0 = (env->CP0_Config0 & 0xFE17FF80) | (T0 & 0x00000001); |
987 |
#endif
|
988 |
RETURN(); |
989 |
} |
990 |
|
991 |
void op_mtc0_watchlo (void) |
992 |
{ |
993 |
env->CP0_WatchLo = T0; |
994 |
RETURN(); |
995 |
} |
996 |
|
997 |
void op_mtc0_watchhi (void) |
998 |
{ |
999 |
env->CP0_WatchHi = T0 & 0x40FF0FF8;
|
1000 |
RETURN(); |
1001 |
} |
1002 |
|
1003 |
void op_mtc0_debug (void) |
1004 |
{ |
1005 |
env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120); |
1006 |
if (T0 & (1 << CP0DB_DM)) |
1007 |
env->hflags |= MIPS_HFLAG_DM; |
1008 |
else
|
1009 |
env->hflags &= ~MIPS_HFLAG_DM; |
1010 |
RETURN(); |
1011 |
} |
1012 |
|
1013 |
void op_mtc0_depc (void) |
1014 |
{ |
1015 |
env->CP0_DEPC = T0; |
1016 |
RETURN(); |
1017 |
} |
1018 |
|
1019 |
void op_mtc0_taglo (void) |
1020 |
{ |
1021 |
env->CP0_TagLo = T0 & 0xFFFFFCF6;
|
1022 |
RETURN(); |
1023 |
} |
1024 |
|
1025 |
void op_mtc0_errorepc (void) |
1026 |
{ |
1027 |
env->CP0_ErrorEPC = T0; |
1028 |
RETURN(); |
1029 |
} |
1030 |
|
1031 |
void op_mtc0_desave (void) |
1032 |
{ |
1033 |
env->CP0_DESAVE = T0; |
1034 |
RETURN(); |
1035 |
} |
1036 |
|
1037 |
#ifdef MIPS_USES_FPU
|
1038 |
|
1039 |
#if 0
|
1040 |
# define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
|
1041 |
#else
|
1042 |
# define DEBUG_FPU_STATE() do { } while(0) |
1043 |
#endif
|
1044 |
|
1045 |
void op_cp1_enabled(void) |
1046 |
{ |
1047 |
if (!(env->CP0_Status & (1 << CP0St_CU1))) { |
1048 |
CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 1);
|
1049 |
} |
1050 |
RETURN(); |
1051 |
} |
1052 |
|
1053 |
/* CP1 functions */
|
1054 |
void op_cfc1 (void) |
1055 |
{ |
1056 |
if (T1 == 0) { |
1057 |
T0 = env->fcr0; |
1058 |
} |
1059 |
else {
|
1060 |
/* fetch fcr31, masking unused bits */
|
1061 |
T0 = env->fcr31 & 0x0183FFFF;
|
1062 |
} |
1063 |
DEBUG_FPU_STATE(); |
1064 |
RETURN(); |
1065 |
} |
1066 |
|
1067 |
/* convert MIPS rounding mode in FCR31 to IEEE library */
|
1068 |
unsigned int ieee_rm[] = { |
1069 |
float_round_nearest_even, |
1070 |
float_round_to_zero, |
1071 |
float_round_up, |
1072 |
float_round_down |
1073 |
}; |
1074 |
|
1075 |
#define RESTORE_ROUNDING_MODE \
|
1076 |
set_float_rounding_mode(ieee_rm[env->fcr31 & 3], &env->fp_status)
|
1077 |
|
1078 |
void op_ctc1 (void) |
1079 |
{ |
1080 |
if (T1 == 0) { |
1081 |
/* XXX should this throw an exception?
|
1082 |
* don't write to FCR0.
|
1083 |
* env->fcr0 = T0;
|
1084 |
*/
|
1085 |
} |
1086 |
else {
|
1087 |
/* store new fcr31, masking unused bits */
|
1088 |
env->fcr31 = T0 & 0x0183FFFF;
|
1089 |
|
1090 |
/* set rounding mode */
|
1091 |
RESTORE_ROUNDING_MODE; |
1092 |
|
1093 |
#ifndef CONFIG_SOFTFLOAT
|
1094 |
/* no floating point exception for native float */
|
1095 |
SET_FP_ENABLE(env->fcr31, 0);
|
1096 |
#endif
|
1097 |
} |
1098 |
DEBUG_FPU_STATE(); |
1099 |
RETURN(); |
1100 |
} |
1101 |
|
1102 |
void op_mfc1 (void) |
1103 |
{ |
1104 |
T0 = WT0; |
1105 |
DEBUG_FPU_STATE(); |
1106 |
RETURN(); |
1107 |
} |
1108 |
|
1109 |
void op_mtc1 (void) |
1110 |
{ |
1111 |
WT0 = T0; |
1112 |
DEBUG_FPU_STATE(); |
1113 |
RETURN(); |
1114 |
} |
1115 |
|
1116 |
/* Float support.
|
1117 |
Single precition routines have a "s" suffix, double precision a
|
1118 |
"d" suffix. */
|
1119 |
|
1120 |
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void) |
1121 |
|
1122 |
FLOAT_OP(cvtd, s) |
1123 |
{ |
1124 |
FDT2 = float32_to_float64(WT0, &env->fp_status); |
1125 |
DEBUG_FPU_STATE(); |
1126 |
RETURN(); |
1127 |
} |
1128 |
FLOAT_OP(cvtd, w) |
1129 |
{ |
1130 |
FDT2 = int32_to_float64(WT0, &env->fp_status); |
1131 |
DEBUG_FPU_STATE(); |
1132 |
RETURN(); |
1133 |
} |
1134 |
FLOAT_OP(cvts, d) |
1135 |
{ |
1136 |
FST2 = float64_to_float32(FDT0, &env->fp_status); |
1137 |
DEBUG_FPU_STATE(); |
1138 |
RETURN(); |
1139 |
} |
1140 |
FLOAT_OP(cvts, w) |
1141 |
{ |
1142 |
FST2 = int32_to_float32(WT0, &env->fp_status); |
1143 |
DEBUG_FPU_STATE(); |
1144 |
RETURN(); |
1145 |
} |
1146 |
FLOAT_OP(cvtw, s) |
1147 |
{ |
1148 |
WT2 = float32_to_int32(FST0, &env->fp_status); |
1149 |
DEBUG_FPU_STATE(); |
1150 |
RETURN(); |
1151 |
} |
1152 |
FLOAT_OP(cvtw, d) |
1153 |
{ |
1154 |
WT2 = float64_to_int32(FDT0, &env->fp_status); |
1155 |
DEBUG_FPU_STATE(); |
1156 |
RETURN(); |
1157 |
} |
1158 |
|
1159 |
FLOAT_OP(roundw, d) |
1160 |
{ |
1161 |
set_float_rounding_mode(float_round_nearest_even, &env->fp_status); |
1162 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
1163 |
RESTORE_ROUNDING_MODE; |
1164 |
|
1165 |
DEBUG_FPU_STATE(); |
1166 |
RETURN(); |
1167 |
} |
1168 |
FLOAT_OP(roundw, s) |
1169 |
{ |
1170 |
set_float_rounding_mode(float_round_nearest_even, &env->fp_status); |
1171 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
1172 |
RESTORE_ROUNDING_MODE; |
1173 |
DEBUG_FPU_STATE(); |
1174 |
RETURN(); |
1175 |
} |
1176 |
|
1177 |
FLOAT_OP(truncw, d) |
1178 |
{ |
1179 |
WT2 = float64_to_int32_round_to_zero(FDT0, &env->fp_status); |
1180 |
DEBUG_FPU_STATE(); |
1181 |
RETURN(); |
1182 |
} |
1183 |
FLOAT_OP(truncw, s) |
1184 |
{ |
1185 |
WT2 = float32_to_int32_round_to_zero(FST0, &env->fp_status); |
1186 |
DEBUG_FPU_STATE(); |
1187 |
RETURN(); |
1188 |
} |
1189 |
|
1190 |
FLOAT_OP(ceilw, d) |
1191 |
{ |
1192 |
set_float_rounding_mode(float_round_up, &env->fp_status); |
1193 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
1194 |
RESTORE_ROUNDING_MODE; |
1195 |
|
1196 |
DEBUG_FPU_STATE(); |
1197 |
RETURN(); |
1198 |
} |
1199 |
FLOAT_OP(ceilw, s) |
1200 |
{ |
1201 |
set_float_rounding_mode(float_round_up, &env->fp_status); |
1202 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
1203 |
RESTORE_ROUNDING_MODE; |
1204 |
DEBUG_FPU_STATE(); |
1205 |
RETURN(); |
1206 |
} |
1207 |
|
1208 |
FLOAT_OP(floorw, d) |
1209 |
{ |
1210 |
set_float_rounding_mode(float_round_down, &env->fp_status); |
1211 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
1212 |
RESTORE_ROUNDING_MODE; |
1213 |
|
1214 |
DEBUG_FPU_STATE(); |
1215 |
RETURN(); |
1216 |
} |
1217 |
FLOAT_OP(floorw, s) |
1218 |
{ |
1219 |
set_float_rounding_mode(float_round_down, &env->fp_status); |
1220 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
1221 |
RESTORE_ROUNDING_MODE; |
1222 |
DEBUG_FPU_STATE(); |
1223 |
RETURN(); |
1224 |
} |
1225 |
|
1226 |
/* binary operations */
|
1227 |
#define FLOAT_BINOP(name) \
|
1228 |
FLOAT_OP(name, d) \ |
1229 |
{ \ |
1230 |
FDT2 = float64_ ## name (FDT0, FDT1, &env->fp_status); \ |
1231 |
DEBUG_FPU_STATE(); \ |
1232 |
} \ |
1233 |
FLOAT_OP(name, s) \ |
1234 |
{ \ |
1235 |
FST2 = float32_ ## name (FST0, FST1, &env->fp_status); \ |
1236 |
DEBUG_FPU_STATE(); \ |
1237 |
} |
1238 |
FLOAT_BINOP(add) |
1239 |
FLOAT_BINOP(sub) |
1240 |
FLOAT_BINOP(mul) |
1241 |
FLOAT_BINOP(div) |
1242 |
#undef FLOAT_BINOP
|
1243 |
|
1244 |
/* unary operations, modifying fp status */
|
1245 |
#define FLOAT_UNOP(name) \
|
1246 |
FLOAT_OP(name, d) \ |
1247 |
{ \ |
1248 |
FDT2 = float64_ ## name(FDT0, &env->fp_status); \ |
1249 |
DEBUG_FPU_STATE(); \ |
1250 |
} \ |
1251 |
FLOAT_OP(name, s) \ |
1252 |
{ \ |
1253 |
FST2 = float32_ ## name(FST0, &env->fp_status); \ |
1254 |
DEBUG_FPU_STATE(); \ |
1255 |
} |
1256 |
FLOAT_UNOP(sqrt) |
1257 |
#undef FLOAT_UNOP
|
1258 |
|
1259 |
/* unary operations, not modifying fp status */
|
1260 |
#define FLOAT_UNOP(name) \
|
1261 |
FLOAT_OP(name, d) \ |
1262 |
{ \ |
1263 |
FDT2 = float64_ ## name(FDT0); \ |
1264 |
DEBUG_FPU_STATE(); \ |
1265 |
} \ |
1266 |
FLOAT_OP(name, s) \ |
1267 |
{ \ |
1268 |
FST2 = float32_ ## name(FST0); \ |
1269 |
DEBUG_FPU_STATE(); \ |
1270 |
} |
1271 |
FLOAT_UNOP(abs) |
1272 |
FLOAT_UNOP(chs) |
1273 |
#undef FLOAT_UNOP
|
1274 |
|
1275 |
FLOAT_OP(mov, d) |
1276 |
{ |
1277 |
FDT2 = FDT0; |
1278 |
DEBUG_FPU_STATE(); |
1279 |
RETURN(); |
1280 |
} |
1281 |
FLOAT_OP(mov, s) |
1282 |
{ |
1283 |
FST2 = FST0; |
1284 |
DEBUG_FPU_STATE(); |
1285 |
RETURN(); |
1286 |
} |
1287 |
|
1288 |
#ifdef CONFIG_SOFTFLOAT
|
1289 |
#define clear_invalid() do { \ |
1290 |
int flags = get_float_exception_flags(&env->fp_status); \
|
1291 |
flags &= ~float_flag_invalid; \ |
1292 |
set_float_exception_flags(flags, &env->fp_status); \ |
1293 |
} while(0) |
1294 |
#else
|
1295 |
#define clear_invalid() do { } while(0) |
1296 |
#endif
|
1297 |
|
1298 |
extern void dump_fpu_s(CPUState *env); |
1299 |
|
1300 |
#define FOP_COND(fmt, op, sig, cond) \
|
1301 |
void op_cmp_ ## fmt ## _ ## op (void) \ |
1302 |
{ \ |
1303 |
if (cond) \
|
1304 |
SET_FP_COND(env->fcr31); \ |
1305 |
else \
|
1306 |
CLEAR_FP_COND(env->fcr31); \ |
1307 |
if (!sig) \
|
1308 |
clear_invalid(); \ |
1309 |
/*CALL_FROM_TB1(dump_fpu_s, env);*/ \
|
1310 |
DEBUG_FPU_STATE(); \ |
1311 |
RETURN(); \ |
1312 |
} |
1313 |
|
1314 |
int float64_is_unordered(float64 a, float64 b STATUS_PARAM)
|
1315 |
{ |
1316 |
if (float64_is_nan(a) || float64_is_nan(b)) {
|
1317 |
float_raise(float_flag_invalid, status); |
1318 |
return 1; |
1319 |
} |
1320 |
else {
|
1321 |
return 0; |
1322 |
} |
1323 |
} |
1324 |
|
1325 |
FOP_COND(d, f, 0, 0) |
1326 |
FOP_COND(d, un, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status))
|
1327 |
FOP_COND(d, eq, 0, float64_eq(FDT0, FDT1, &env->fp_status))
|
1328 |
FOP_COND(d, ueq, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
|
1329 |
FOP_COND(d, olt, 0, float64_lt(FDT0, FDT1, &env->fp_status))
|
1330 |
FOP_COND(d, ult, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
|
1331 |
FOP_COND(d, ole, 0, float64_le(FDT0, FDT1, &env->fp_status))
|
1332 |
FOP_COND(d, ule, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
|
1333 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
1334 |
* but float*_is_unordered() is still called
|
1335 |
*/
|
1336 |
FOP_COND(d, sf, 1, (float64_is_unordered(FDT0, FDT1, &env->fp_status), 0)) |
1337 |
FOP_COND(d, ngle,1, float64_is_unordered(FDT1, FDT0, &env->fp_status))
|
1338 |
FOP_COND(d, seq, 1, float64_eq(FDT0, FDT1, &env->fp_status))
|
1339 |
FOP_COND(d, ngl, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
|
1340 |
FOP_COND(d, lt, 1, float64_lt(FDT0, FDT1, &env->fp_status))
|
1341 |
FOP_COND(d, nge, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
|
1342 |
FOP_COND(d, le, 1, float64_le(FDT0, FDT1, &env->fp_status))
|
1343 |
FOP_COND(d, ngt, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
|
1344 |
|
1345 |
flag float32_is_unordered(float32 a, float32 b STATUS_PARAM) |
1346 |
{ |
1347 |
extern flag float32_is_nan( float32 a );
|
1348 |
if (float32_is_nan(a) || float32_is_nan(b)) {
|
1349 |
float_raise(float_flag_invalid, status); |
1350 |
return 1; |
1351 |
} |
1352 |
else {
|
1353 |
return 0; |
1354 |
} |
1355 |
} |
1356 |
|
1357 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
1358 |
* but float*_is_unordered() is still called
|
1359 |
*/
|
1360 |
FOP_COND(s, f, 0, 0) |
1361 |
FOP_COND(s, un, 0, float32_is_unordered(FST1, FST0, &env->fp_status))
|
1362 |
FOP_COND(s, eq, 0, float32_eq(FST0, FST1, &env->fp_status))
|
1363 |
FOP_COND(s, ueq, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
|
1364 |
FOP_COND(s, olt, 0, float32_lt(FST0, FST1, &env->fp_status))
|
1365 |
FOP_COND(s, ult, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
|
1366 |
FOP_COND(s, ole, 0, float32_le(FST0, FST1, &env->fp_status))
|
1367 |
FOP_COND(s, ule, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
|
1368 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
1369 |
* but float*_is_unordered() is still called
|
1370 |
*/
|
1371 |
FOP_COND(s, sf, 1, (float32_is_unordered(FST0, FST1, &env->fp_status), 0)) |
1372 |
FOP_COND(s, ngle,1, float32_is_unordered(FST1, FST0, &env->fp_status))
|
1373 |
FOP_COND(s, seq, 1, float32_eq(FST0, FST1, &env->fp_status))
|
1374 |
FOP_COND(s, ngl, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
|
1375 |
FOP_COND(s, lt, 1, float32_lt(FST0, FST1, &env->fp_status))
|
1376 |
FOP_COND(s, nge, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
|
1377 |
FOP_COND(s, le, 1, float32_le(FST0, FST1, &env->fp_status))
|
1378 |
FOP_COND(s, ngt, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
|
1379 |
|
1380 |
void op_bc1f (void) |
1381 |
{ |
1382 |
T0 = ! IS_FP_COND_SET(env->fcr31); |
1383 |
DEBUG_FPU_STATE(); |
1384 |
RETURN(); |
1385 |
} |
1386 |
|
1387 |
void op_bc1t (void) |
1388 |
{ |
1389 |
T0 = IS_FP_COND_SET(env->fcr31); |
1390 |
DEBUG_FPU_STATE(); |
1391 |
RETURN(); |
1392 |
} |
1393 |
#endif /* MIPS_USES_FPU */ |
1394 |
|
1395 |
#if defined(MIPS_USES_R4K_TLB)
|
1396 |
void op_tlbwi (void) |
1397 |
{ |
1398 |
CALL_FROM_TB0(do_tlbwi); |
1399 |
RETURN(); |
1400 |
} |
1401 |
|
1402 |
void op_tlbwr (void) |
1403 |
{ |
1404 |
CALL_FROM_TB0(do_tlbwr); |
1405 |
RETURN(); |
1406 |
} |
1407 |
|
1408 |
void op_tlbp (void) |
1409 |
{ |
1410 |
CALL_FROM_TB0(do_tlbp); |
1411 |
RETURN(); |
1412 |
} |
1413 |
|
1414 |
void op_tlbr (void) |
1415 |
{ |
1416 |
CALL_FROM_TB0(do_tlbr); |
1417 |
RETURN(); |
1418 |
} |
1419 |
#endif
|
1420 |
|
1421 |
/* Specials */
|
1422 |
void op_pmon (void) |
1423 |
{ |
1424 |
CALL_FROM_TB1(do_pmon, PARAM1); |
1425 |
} |
1426 |
|
1427 |
void op_trap (void) |
1428 |
{ |
1429 |
if (T0) {
|
1430 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_TRAP); |
1431 |
} |
1432 |
RETURN(); |
1433 |
} |
1434 |
|
1435 |
void op_debug (void) |
1436 |
{ |
1437 |
CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG); |
1438 |
} |
1439 |
|
1440 |
void op_set_lladdr (void) |
1441 |
{ |
1442 |
env->CP0_LLAddr = T2; |
1443 |
} |
1444 |
|
1445 |
void debug_eret (void); |
1446 |
void op_eret (void) |
1447 |
{ |
1448 |
CALL_FROM_TB0(debug_eret); |
1449 |
if (env->hflags & MIPS_HFLAG_ERL) {
|
1450 |
env->PC = env->CP0_ErrorEPC; |
1451 |
env->hflags &= ~MIPS_HFLAG_ERL; |
1452 |
env->CP0_Status &= ~(1 << CP0St_ERL);
|
1453 |
} else {
|
1454 |
env->PC = env->CP0_EPC; |
1455 |
env->hflags &= ~MIPS_HFLAG_EXL; |
1456 |
env->CP0_Status &= ~(1 << CP0St_EXL);
|
1457 |
} |
1458 |
env->CP0_LLAddr = 1;
|
1459 |
} |
1460 |
|
1461 |
void op_deret (void) |
1462 |
{ |
1463 |
CALL_FROM_TB0(debug_eret); |
1464 |
env->PC = env->CP0_DEPC; |
1465 |
} |
1466 |
|
1467 |
void op_save_state (void) |
1468 |
{ |
1469 |
env->hflags = PARAM1; |
1470 |
RETURN(); |
1471 |
} |
1472 |
|
1473 |
void op_save_pc (void) |
1474 |
{ |
1475 |
env->PC = PARAM1; |
1476 |
RETURN(); |
1477 |
} |
1478 |
|
1479 |
void op_raise_exception (void) |
1480 |
{ |
1481 |
CALL_FROM_TB1(do_raise_exception, PARAM1); |
1482 |
RETURN(); |
1483 |
} |
1484 |
|
1485 |
void op_raise_exception_err (void) |
1486 |
{ |
1487 |
CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2); |
1488 |
RETURN(); |
1489 |
} |
1490 |
|
1491 |
void op_exit_tb (void) |
1492 |
{ |
1493 |
EXIT_TB(); |
1494 |
} |
1495 |
|
1496 |
void op_wait (void) |
1497 |
{ |
1498 |
env->halted = 1;
|
1499 |
CALL_FROM_TB1(do_raise_exception, EXCP_HLT); |
1500 |
} |