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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
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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" |
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#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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|
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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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|
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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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|
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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 = SIGN_EXTEND32((int32_t)T0 + (int32_t)T1); |
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RETURN(); |
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} |
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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 = (int32_t)T0; |
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T0 = (int32_t)T0 + (int32_t)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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T0 = SIGN_EXTEND32(T0); |
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RETURN(); |
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} |
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|
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void op_sub (void) |
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{
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T0 = SIGN_EXTEND32((int32_t)T0 - (int32_t)T1); |
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RETURN(); |
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} |
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|
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void op_subo (void) |
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{
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target_ulong tmp; |
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|
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tmp = (int32_t)T0; |
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T0 = (int32_t)T0 - (int32_t)T1; |
| 361 |
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); |
| 364 |
} |
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T0 = SIGN_EXTEND32(T0); |
| 366 |
RETURN(); |
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} |
| 368 |
|
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void op_mul (void) |
| 370 |
{
|
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T0 = SIGN_EXTEND32((int32_t)T0 * (int32_t)T1); |
| 372 |
RETURN(); |
| 373 |
} |
| 374 |
|
| 375 |
void op_div (void) |
| 376 |
{
|
| 377 |
if (T1 != 0) { |
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env->LO = SIGN_EXTEND32((int32_t)T0 / (int32_t)T1); |
| 379 |
env->HI = SIGN_EXTEND32((int32_t)T0 % (int32_t)T1); |
| 380 |
} |
| 381 |
RETURN(); |
| 382 |
} |
| 383 |
|
| 384 |
void op_divu (void) |
| 385 |
{
|
| 386 |
if (T1 != 0) { |
| 387 |
env->LO = SIGN_EXTEND32((uint32_t)T0 / (uint32_t)T1); |
| 388 |
env->HI = SIGN_EXTEND32((uint32_t)T0 % (uint32_t)T1); |
| 389 |
} |
| 390 |
RETURN(); |
| 391 |
} |
| 392 |
|
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#ifdef MIPS_HAS_MIPS64
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/* Arithmetic */
|
| 395 |
void op_dadd (void) |
| 396 |
{
|
| 397 |
T0 += T1; |
| 398 |
RETURN(); |
| 399 |
} |
| 400 |
|
| 401 |
void op_daddo (void) |
| 402 |
{
|
| 403 |
target_long tmp; |
| 404 |
|
| 405 |
tmp = T0; |
| 406 |
T0 += T1; |
| 407 |
if (((tmp ^ T1 ^ (-1)) & (T0 ^ T1)) >> 63) { |
| 408 |
/* operands of same sign, result different sign */
|
| 409 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
| 410 |
} |
| 411 |
RETURN(); |
| 412 |
} |
| 413 |
|
| 414 |
void op_dsub (void) |
| 415 |
{
|
| 416 |
T0 -= T1; |
| 417 |
RETURN(); |
| 418 |
} |
| 419 |
|
| 420 |
void op_dsubo (void) |
| 421 |
{
|
| 422 |
target_long tmp; |
| 423 |
|
| 424 |
tmp = T0; |
| 425 |
T0 = (int64_t)T0 - (int64_t)T1; |
| 426 |
if (((tmp ^ T1) & (tmp ^ T0)) >> 63) { |
| 427 |
/* operands of different sign, first operand and result different sign */
|
| 428 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_OVERFLOW); |
| 429 |
} |
| 430 |
RETURN(); |
| 431 |
} |
| 432 |
|
| 433 |
void op_dmul (void) |
| 434 |
{
|
| 435 |
T0 = (int64_t)T0 * (int64_t)T1; |
| 436 |
RETURN(); |
| 437 |
} |
| 438 |
|
| 439 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
| 440 |
/* Those might call libgcc functions. */
|
| 441 |
void op_ddiv (void) |
| 442 |
{
|
| 443 |
do_ddiv(); |
| 444 |
RETURN(); |
| 445 |
} |
| 446 |
|
| 447 |
void op_ddivu (void) |
| 448 |
{
|
| 449 |
do_ddivu(); |
| 450 |
RETURN(); |
| 451 |
} |
| 452 |
#else
|
| 453 |
void op_ddiv (void) |
| 454 |
{
|
| 455 |
if (T1 != 0) { |
| 456 |
env->LO = (int64_t)T0 / (int64_t)T1; |
| 457 |
env->HI = (int64_t)T0 % (int64_t)T1; |
| 458 |
} |
| 459 |
RETURN(); |
| 460 |
} |
| 461 |
|
| 462 |
void op_ddivu (void) |
| 463 |
{
|
| 464 |
if (T1 != 0) { |
| 465 |
env->LO = T0 / T1; |
| 466 |
env->HI = T0 % T1; |
| 467 |
} |
| 468 |
RETURN(); |
| 469 |
} |
| 470 |
#endif
|
| 471 |
#endif /* MIPS_HAS_MIPS64 */ |
| 472 |
|
| 473 |
/* Logical */
|
| 474 |
void op_and (void) |
| 475 |
{
|
| 476 |
T0 &= T1; |
| 477 |
RETURN(); |
| 478 |
} |
| 479 |
|
| 480 |
void op_nor (void) |
| 481 |
{
|
| 482 |
T0 = ~(T0 | T1); |
| 483 |
RETURN(); |
| 484 |
} |
| 485 |
|
| 486 |
void op_or (void) |
| 487 |
{
|
| 488 |
T0 |= T1; |
| 489 |
RETURN(); |
| 490 |
} |
| 491 |
|
| 492 |
void op_xor (void) |
| 493 |
{
|
| 494 |
T0 ^= T1; |
| 495 |
RETURN(); |
| 496 |
} |
| 497 |
|
| 498 |
void op_sll (void) |
| 499 |
{
|
| 500 |
T0 = SIGN_EXTEND32((uint32_t)T0 << (uint32_t)T1); |
| 501 |
RETURN(); |
| 502 |
} |
| 503 |
|
| 504 |
void op_sra (void) |
| 505 |
{
|
| 506 |
T0 = SIGN_EXTEND32((int32_t)T0 >> (uint32_t)T1); |
| 507 |
RETURN(); |
| 508 |
} |
| 509 |
|
| 510 |
void op_srl (void) |
| 511 |
{
|
| 512 |
T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1); |
| 513 |
RETURN(); |
| 514 |
} |
| 515 |
|
| 516 |
void op_rotr (void) |
| 517 |
{
|
| 518 |
target_ulong tmp; |
| 519 |
|
| 520 |
if (T1) {
|
| 521 |
tmp = SIGN_EXTEND32((uint32_t)T0 << (0x20 - (uint32_t)T1));
|
| 522 |
T0 = SIGN_EXTEND32((uint32_t)T0 >> (uint32_t)T1) | tmp; |
| 523 |
} else
|
| 524 |
T0 = T1; |
| 525 |
RETURN(); |
| 526 |
} |
| 527 |
|
| 528 |
void op_sllv (void) |
| 529 |
{
|
| 530 |
T0 = SIGN_EXTEND32((uint32_t)T1 << ((uint32_t)T0 & 0x1F));
|
| 531 |
RETURN(); |
| 532 |
} |
| 533 |
|
| 534 |
void op_srav (void) |
| 535 |
{
|
| 536 |
T0 = SIGN_EXTEND32((int32_t)T1 >> (T0 & 0x1F));
|
| 537 |
RETURN(); |
| 538 |
} |
| 539 |
|
| 540 |
void op_srlv (void) |
| 541 |
{
|
| 542 |
T0 = SIGN_EXTEND32((uint32_t)T1 >> (T0 & 0x1F));
|
| 543 |
RETURN(); |
| 544 |
} |
| 545 |
|
| 546 |
void op_rotrv (void) |
| 547 |
{
|
| 548 |
target_ulong tmp; |
| 549 |
|
| 550 |
T0 &= 0x1F;
|
| 551 |
if (T0) {
|
| 552 |
tmp = SIGN_EXTEND32((uint32_t)T1 << (0x20 - T0));
|
| 553 |
T0 = SIGN_EXTEND32((uint32_t)T1 >> T0) | tmp; |
| 554 |
} else
|
| 555 |
T0 = T1; |
| 556 |
RETURN(); |
| 557 |
} |
| 558 |
|
| 559 |
void op_clo (void) |
| 560 |
{
|
| 561 |
int n;
|
| 562 |
|
| 563 |
if (T0 == ~((target_ulong)0)) { |
| 564 |
T0 = 32;
|
| 565 |
} else {
|
| 566 |
for (n = 0; n < 32; n++) { |
| 567 |
if (!(T0 & (1 << 31))) |
| 568 |
break;
|
| 569 |
T0 = T0 << 1;
|
| 570 |
} |
| 571 |
T0 = n; |
| 572 |
} |
| 573 |
RETURN(); |
| 574 |
} |
| 575 |
|
| 576 |
void op_clz (void) |
| 577 |
{
|
| 578 |
int n;
|
| 579 |
|
| 580 |
if (T0 == 0) { |
| 581 |
T0 = 32;
|
| 582 |
} else {
|
| 583 |
for (n = 0; n < 32; n++) { |
| 584 |
if (T0 & (1 << 31)) |
| 585 |
break;
|
| 586 |
T0 = T0 << 1;
|
| 587 |
} |
| 588 |
T0 = n; |
| 589 |
} |
| 590 |
RETURN(); |
| 591 |
} |
| 592 |
|
| 593 |
#ifdef MIPS_HAS_MIPS64
|
| 594 |
|
| 595 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
| 596 |
/* Those might call libgcc functions. */
|
| 597 |
void op_dsll (void) |
| 598 |
{
|
| 599 |
CALL_FROM_TB0(do_dsll); |
| 600 |
RETURN(); |
| 601 |
} |
| 602 |
|
| 603 |
void op_dsll32 (void) |
| 604 |
{
|
| 605 |
CALL_FROM_TB0(do_dsll32); |
| 606 |
RETURN(); |
| 607 |
} |
| 608 |
|
| 609 |
void op_dsra (void) |
| 610 |
{
|
| 611 |
CALL_FROM_TB0(do_dsra); |
| 612 |
RETURN(); |
| 613 |
} |
| 614 |
|
| 615 |
void op_dsra32 (void) |
| 616 |
{
|
| 617 |
CALL_FROM_TB0(do_dsra32); |
| 618 |
RETURN(); |
| 619 |
} |
| 620 |
|
| 621 |
void op_dsrl (void) |
| 622 |
{
|
| 623 |
CALL_FROM_TB0(do_dsrl); |
| 624 |
RETURN(); |
| 625 |
} |
| 626 |
|
| 627 |
void op_dsrl32 (void) |
| 628 |
{
|
| 629 |
CALL_FROM_TB0(do_dsrl32); |
| 630 |
RETURN(); |
| 631 |
} |
| 632 |
|
| 633 |
void op_drotr (void) |
| 634 |
{
|
| 635 |
CALL_FROM_TB0(do_drotr); |
| 636 |
RETURN(); |
| 637 |
} |
| 638 |
|
| 639 |
void op_drotr32 (void) |
| 640 |
{
|
| 641 |
CALL_FROM_TB0(do_drotr32); |
| 642 |
RETURN(); |
| 643 |
} |
| 644 |
|
| 645 |
void op_dsllv (void) |
| 646 |
{
|
| 647 |
CALL_FROM_TB0(do_dsllv); |
| 648 |
RETURN(); |
| 649 |
} |
| 650 |
|
| 651 |
void op_dsrav (void) |
| 652 |
{
|
| 653 |
CALL_FROM_TB0(do_dsrav); |
| 654 |
RETURN(); |
| 655 |
} |
| 656 |
|
| 657 |
void op_dsrlv (void) |
| 658 |
{
|
| 659 |
CALL_FROM_TB0(do_dsrlv); |
| 660 |
RETURN(); |
| 661 |
} |
| 662 |
|
| 663 |
void op_drotrv (void) |
| 664 |
{
|
| 665 |
CALL_FROM_TB0(do_drotrv); |
| 666 |
RETURN(); |
| 667 |
} |
| 668 |
|
| 669 |
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
| 670 |
|
| 671 |
void op_dsll (void) |
| 672 |
{
|
| 673 |
T0 = T0 << T1; |
| 674 |
RETURN(); |
| 675 |
} |
| 676 |
|
| 677 |
void op_dsll32 (void) |
| 678 |
{
|
| 679 |
T0 = T0 << (T1 + 32);
|
| 680 |
RETURN(); |
| 681 |
} |
| 682 |
|
| 683 |
void op_dsra (void) |
| 684 |
{
|
| 685 |
T0 = (int64_t)T0 >> T1; |
| 686 |
RETURN(); |
| 687 |
} |
| 688 |
|
| 689 |
void op_dsra32 (void) |
| 690 |
{
|
| 691 |
T0 = (int64_t)T0 >> (T1 + 32);
|
| 692 |
RETURN(); |
| 693 |
} |
| 694 |
|
| 695 |
void op_dsrl (void) |
| 696 |
{
|
| 697 |
T0 = T0 >> T1; |
| 698 |
RETURN(); |
| 699 |
} |
| 700 |
|
| 701 |
void op_dsrl32 (void) |
| 702 |
{
|
| 703 |
T0 = T0 >> (T1 + 32);
|
| 704 |
RETURN(); |
| 705 |
} |
| 706 |
|
| 707 |
void op_drotr (void) |
| 708 |
{
|
| 709 |
target_ulong tmp; |
| 710 |
|
| 711 |
if (T1) {
|
| 712 |
tmp = T0 << (0x40 - T1);
|
| 713 |
T0 = (T0 >> T1) | tmp; |
| 714 |
} else
|
| 715 |
T0 = T1; |
| 716 |
RETURN(); |
| 717 |
} |
| 718 |
|
| 719 |
void op_drotr32 (void) |
| 720 |
{
|
| 721 |
target_ulong tmp; |
| 722 |
|
| 723 |
if (T1) {
|
| 724 |
tmp = T0 << (0x40 - (32 + T1)); |
| 725 |
T0 = (T0 >> (32 + T1)) | tmp;
|
| 726 |
} else
|
| 727 |
T0 = T1; |
| 728 |
RETURN(); |
| 729 |
} |
| 730 |
|
| 731 |
void op_dsllv (void) |
| 732 |
{
|
| 733 |
T0 = T1 << (T0 & 0x3F);
|
| 734 |
RETURN(); |
| 735 |
} |
| 736 |
|
| 737 |
void op_dsrav (void) |
| 738 |
{
|
| 739 |
T0 = (int64_t)T1 >> (T0 & 0x3F);
|
| 740 |
RETURN(); |
| 741 |
} |
| 742 |
|
| 743 |
void op_dsrlv (void) |
| 744 |
{
|
| 745 |
T0 = T1 >> (T0 & 0x3F);
|
| 746 |
RETURN(); |
| 747 |
} |
| 748 |
|
| 749 |
void op_drotrv (void) |
| 750 |
{
|
| 751 |
target_ulong tmp; |
| 752 |
|
| 753 |
T0 &= 0x3F;
|
| 754 |
if (T0) {
|
| 755 |
tmp = T1 << (0x40 - T0);
|
| 756 |
T0 = (T1 >> T0) | tmp; |
| 757 |
} else
|
| 758 |
T0 = T1; |
| 759 |
RETURN(); |
| 760 |
} |
| 761 |
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
| 762 |
|
| 763 |
void op_dclo (void) |
| 764 |
{
|
| 765 |
int n;
|
| 766 |
|
| 767 |
if (T0 == ~((target_ulong)0)) { |
| 768 |
T0 = 64;
|
| 769 |
} else {
|
| 770 |
for (n = 0; n < 64; n++) { |
| 771 |
if (!(T0 & (1ULL << 63))) |
| 772 |
break;
|
| 773 |
T0 = T0 << 1;
|
| 774 |
} |
| 775 |
T0 = n; |
| 776 |
} |
| 777 |
RETURN(); |
| 778 |
} |
| 779 |
|
| 780 |
void op_dclz (void) |
| 781 |
{
|
| 782 |
int n;
|
| 783 |
|
| 784 |
if (T0 == 0) { |
| 785 |
T0 = 64;
|
| 786 |
} else {
|
| 787 |
for (n = 0; n < 64; n++) { |
| 788 |
if (T0 & (1ULL << 63)) |
| 789 |
break;
|
| 790 |
T0 = T0 << 1;
|
| 791 |
} |
| 792 |
T0 = n; |
| 793 |
} |
| 794 |
RETURN(); |
| 795 |
} |
| 796 |
#endif
|
| 797 |
|
| 798 |
/* 64 bits arithmetic */
|
| 799 |
#if TARGET_LONG_BITS > HOST_LONG_BITS
|
| 800 |
void op_mult (void) |
| 801 |
{
|
| 802 |
CALL_FROM_TB0(do_mult); |
| 803 |
RETURN(); |
| 804 |
} |
| 805 |
|
| 806 |
void op_multu (void) |
| 807 |
{
|
| 808 |
CALL_FROM_TB0(do_multu); |
| 809 |
RETURN(); |
| 810 |
} |
| 811 |
|
| 812 |
void op_madd (void) |
| 813 |
{
|
| 814 |
CALL_FROM_TB0(do_madd); |
| 815 |
RETURN(); |
| 816 |
} |
| 817 |
|
| 818 |
void op_maddu (void) |
| 819 |
{
|
| 820 |
CALL_FROM_TB0(do_maddu); |
| 821 |
RETURN(); |
| 822 |
} |
| 823 |
|
| 824 |
void op_msub (void) |
| 825 |
{
|
| 826 |
CALL_FROM_TB0(do_msub); |
| 827 |
RETURN(); |
| 828 |
} |
| 829 |
|
| 830 |
void op_msubu (void) |
| 831 |
{
|
| 832 |
CALL_FROM_TB0(do_msubu); |
| 833 |
RETURN(); |
| 834 |
} |
| 835 |
|
| 836 |
#else /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
| 837 |
|
| 838 |
static inline uint64_t get_HILO (void) |
| 839 |
{
|
| 840 |
return ((uint64_t)env->HI << 32) | ((uint64_t)(uint32_t)env->LO); |
| 841 |
} |
| 842 |
|
| 843 |
static inline void set_HILO (uint64_t HILO) |
| 844 |
{
|
| 845 |
env->LO = SIGN_EXTEND32(HILO & 0xFFFFFFFF);
|
| 846 |
env->HI = SIGN_EXTEND32(HILO >> 32);
|
| 847 |
} |
| 848 |
|
| 849 |
void op_mult (void) |
| 850 |
{
|
| 851 |
set_HILO((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
| 852 |
RETURN(); |
| 853 |
} |
| 854 |
|
| 855 |
void op_multu (void) |
| 856 |
{
|
| 857 |
set_HILO((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1); |
| 858 |
RETURN(); |
| 859 |
} |
| 860 |
|
| 861 |
void op_madd (void) |
| 862 |
{
|
| 863 |
int64_t tmp; |
| 864 |
|
| 865 |
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
| 866 |
set_HILO((int64_t)get_HILO() + tmp); |
| 867 |
RETURN(); |
| 868 |
} |
| 869 |
|
| 870 |
void op_maddu (void) |
| 871 |
{
|
| 872 |
uint64_t tmp; |
| 873 |
|
| 874 |
tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1); |
| 875 |
set_HILO(get_HILO() + tmp); |
| 876 |
RETURN(); |
| 877 |
} |
| 878 |
|
| 879 |
void op_msub (void) |
| 880 |
{
|
| 881 |
int64_t tmp; |
| 882 |
|
| 883 |
tmp = ((int64_t)(int32_t)T0 * (int64_t)(int32_t)T1); |
| 884 |
set_HILO((int64_t)get_HILO() - tmp); |
| 885 |
RETURN(); |
| 886 |
} |
| 887 |
|
| 888 |
void op_msubu (void) |
| 889 |
{
|
| 890 |
uint64_t tmp; |
| 891 |
|
| 892 |
tmp = ((uint64_t)(uint32_t)T0 * (uint64_t)(uint32_t)T1); |
| 893 |
set_HILO(get_HILO() - tmp); |
| 894 |
RETURN(); |
| 895 |
} |
| 896 |
#endif /* TARGET_LONG_BITS > HOST_LONG_BITS */ |
| 897 |
|
| 898 |
#ifdef MIPS_HAS_MIPS64
|
| 899 |
void op_dmult (void) |
| 900 |
{
|
| 901 |
CALL_FROM_TB0(do_dmult); |
| 902 |
RETURN(); |
| 903 |
} |
| 904 |
|
| 905 |
void op_dmultu (void) |
| 906 |
{
|
| 907 |
CALL_FROM_TB0(do_dmultu); |
| 908 |
RETURN(); |
| 909 |
} |
| 910 |
#endif
|
| 911 |
|
| 912 |
/* Conditional moves */
|
| 913 |
void op_movn (void) |
| 914 |
{
|
| 915 |
if (T1 != 0) |
| 916 |
env->gpr[PARAM1] = T0; |
| 917 |
RETURN(); |
| 918 |
} |
| 919 |
|
| 920 |
void op_movz (void) |
| 921 |
{
|
| 922 |
if (T1 == 0) |
| 923 |
env->gpr[PARAM1] = T0; |
| 924 |
RETURN(); |
| 925 |
} |
| 926 |
|
| 927 |
#ifdef MIPS_USES_FPU
|
| 928 |
void op_movf (void) |
| 929 |
{
|
| 930 |
if (!(env->fcr31 & PARAM1))
|
| 931 |
env->gpr[PARAM2] = env->gpr[PARAM3]; |
| 932 |
RETURN(); |
| 933 |
} |
| 934 |
|
| 935 |
void op_movt (void) |
| 936 |
{
|
| 937 |
if (env->fcr31 & PARAM1)
|
| 938 |
env->gpr[PARAM2] = env->gpr[PARAM3]; |
| 939 |
RETURN(); |
| 940 |
} |
| 941 |
#endif
|
| 942 |
|
| 943 |
/* Tests */
|
| 944 |
#define OP_COND(name, cond) \
|
| 945 |
void glue(op_, name) (void) \ |
| 946 |
{ \
|
| 947 |
if (cond) { \
|
| 948 |
T0 = 1; \
|
| 949 |
} else { \
|
| 950 |
T0 = 0; \
|
| 951 |
} \ |
| 952 |
RETURN(); \ |
| 953 |
} |
| 954 |
|
| 955 |
OP_COND(eq, T0 == T1); |
| 956 |
OP_COND(ne, T0 != T1); |
| 957 |
OP_COND(ge, (int32_t)T0 >= (int32_t)T1); |
| 958 |
OP_COND(geu, T0 >= T1); |
| 959 |
OP_COND(lt, (int32_t)T0 < (int32_t)T1); |
| 960 |
OP_COND(ltu, T0 < T1); |
| 961 |
OP_COND(gez, (int32_t)T0 >= 0);
|
| 962 |
OP_COND(gtz, (int32_t)T0 > 0);
|
| 963 |
OP_COND(lez, (int32_t)T0 <= 0);
|
| 964 |
OP_COND(ltz, (int32_t)T0 < 0);
|
| 965 |
|
| 966 |
/* Branches */
|
| 967 |
//#undef USE_DIRECT_JUMP
|
| 968 |
|
| 969 |
void OPPROTO op_goto_tb0(void) |
| 970 |
{
|
| 971 |
GOTO_TB(op_goto_tb0, PARAM1, 0);
|
| 972 |
RETURN(); |
| 973 |
} |
| 974 |
|
| 975 |
void OPPROTO op_goto_tb1(void) |
| 976 |
{
|
| 977 |
GOTO_TB(op_goto_tb1, PARAM1, 1);
|
| 978 |
RETURN(); |
| 979 |
} |
| 980 |
|
| 981 |
/* Branch to register */
|
| 982 |
void op_save_breg_target (void) |
| 983 |
{
|
| 984 |
env->btarget = T2; |
| 985 |
RETURN(); |
| 986 |
} |
| 987 |
|
| 988 |
void op_restore_breg_target (void) |
| 989 |
{
|
| 990 |
T2 = env->btarget; |
| 991 |
RETURN(); |
| 992 |
} |
| 993 |
|
| 994 |
void op_breg (void) |
| 995 |
{
|
| 996 |
env->PC = T2; |
| 997 |
RETURN(); |
| 998 |
} |
| 999 |
|
| 1000 |
void op_save_btarget (void) |
| 1001 |
{
|
| 1002 |
env->btarget = PARAM1; |
| 1003 |
RETURN(); |
| 1004 |
} |
| 1005 |
|
| 1006 |
/* Conditional branch */
|
| 1007 |
void op_set_bcond (void) |
| 1008 |
{
|
| 1009 |
T2 = T0; |
| 1010 |
RETURN(); |
| 1011 |
} |
| 1012 |
|
| 1013 |
void op_save_bcond (void) |
| 1014 |
{
|
| 1015 |
env->bcond = T2; |
| 1016 |
RETURN(); |
| 1017 |
} |
| 1018 |
|
| 1019 |
void op_restore_bcond (void) |
| 1020 |
{
|
| 1021 |
T2 = env->bcond; |
| 1022 |
RETURN(); |
| 1023 |
} |
| 1024 |
|
| 1025 |
void op_jnz_T2 (void) |
| 1026 |
{
|
| 1027 |
if (T2)
|
| 1028 |
GOTO_LABEL_PARAM(1);
|
| 1029 |
RETURN(); |
| 1030 |
} |
| 1031 |
|
| 1032 |
/* CP0 functions */
|
| 1033 |
void op_mfc0_index (void) |
| 1034 |
{
|
| 1035 |
T0 = SIGN_EXTEND32(env->CP0_index); |
| 1036 |
RETURN(); |
| 1037 |
} |
| 1038 |
|
| 1039 |
void op_mfc0_random (void) |
| 1040 |
{
|
| 1041 |
CALL_FROM_TB0(do_mfc0_random); |
| 1042 |
RETURN(); |
| 1043 |
} |
| 1044 |
|
| 1045 |
void op_mfc0_entrylo0 (void) |
| 1046 |
{
|
| 1047 |
T0 = env->CP0_EntryLo0; |
| 1048 |
RETURN(); |
| 1049 |
} |
| 1050 |
|
| 1051 |
void op_mfc0_entrylo1 (void) |
| 1052 |
{
|
| 1053 |
T0 = env->CP0_EntryLo1; |
| 1054 |
RETURN(); |
| 1055 |
} |
| 1056 |
|
| 1057 |
void op_mfc0_context (void) |
| 1058 |
{
|
| 1059 |
T0 = env->CP0_Context; |
| 1060 |
RETURN(); |
| 1061 |
} |
| 1062 |
|
| 1063 |
void op_mfc0_pagemask (void) |
| 1064 |
{
|
| 1065 |
T0 = SIGN_EXTEND32(env->CP0_PageMask); |
| 1066 |
RETURN(); |
| 1067 |
} |
| 1068 |
|
| 1069 |
void op_mfc0_pagegrain (void) |
| 1070 |
{
|
| 1071 |
T0 = SIGN_EXTEND32(env->CP0_PageGrain); |
| 1072 |
RETURN(); |
| 1073 |
} |
| 1074 |
|
| 1075 |
void op_mfc0_wired (void) |
| 1076 |
{
|
| 1077 |
T0 = SIGN_EXTEND32(env->CP0_Wired); |
| 1078 |
RETURN(); |
| 1079 |
} |
| 1080 |
|
| 1081 |
void op_mfc0_hwrena (void) |
| 1082 |
{
|
| 1083 |
T0 = SIGN_EXTEND32(env->CP0_HWREna); |
| 1084 |
RETURN(); |
| 1085 |
} |
| 1086 |
|
| 1087 |
void op_mfc0_badvaddr (void) |
| 1088 |
{
|
| 1089 |
T0 = env->CP0_BadVAddr; |
| 1090 |
RETURN(); |
| 1091 |
} |
| 1092 |
|
| 1093 |
void op_mfc0_count (void) |
| 1094 |
{
|
| 1095 |
CALL_FROM_TB0(do_mfc0_count); |
| 1096 |
RETURN(); |
| 1097 |
} |
| 1098 |
|
| 1099 |
void op_mfc0_entryhi (void) |
| 1100 |
{
|
| 1101 |
T0 = env->CP0_EntryHi; |
| 1102 |
RETURN(); |
| 1103 |
} |
| 1104 |
|
| 1105 |
void op_mfc0_compare (void) |
| 1106 |
{
|
| 1107 |
T0 = SIGN_EXTEND32(env->CP0_Compare); |
| 1108 |
RETURN(); |
| 1109 |
} |
| 1110 |
|
| 1111 |
void op_mfc0_status (void) |
| 1112 |
{
|
| 1113 |
T0 = SIGN_EXTEND32(env->CP0_Status); |
| 1114 |
if (env->hflags & MIPS_HFLAG_UM)
|
| 1115 |
T0 |= (1 << CP0St_UM);
|
| 1116 |
if (env->hflags & MIPS_HFLAG_ERL)
|
| 1117 |
T0 |= (1 << CP0St_ERL);
|
| 1118 |
if (env->hflags & MIPS_HFLAG_EXL)
|
| 1119 |
T0 |= (1 << CP0St_EXL);
|
| 1120 |
RETURN(); |
| 1121 |
} |
| 1122 |
|
| 1123 |
void op_mfc0_intctl (void) |
| 1124 |
{
|
| 1125 |
T0 = SIGN_EXTEND32(env->CP0_IntCtl); |
| 1126 |
RETURN(); |
| 1127 |
} |
| 1128 |
|
| 1129 |
void op_mfc0_srsctl (void) |
| 1130 |
{
|
| 1131 |
T0 = SIGN_EXTEND32(env->CP0_SRSCtl); |
| 1132 |
RETURN(); |
| 1133 |
} |
| 1134 |
|
| 1135 |
void op_mfc0_cause (void) |
| 1136 |
{
|
| 1137 |
T0 = SIGN_EXTEND32(env->CP0_Cause); |
| 1138 |
RETURN(); |
| 1139 |
} |
| 1140 |
|
| 1141 |
void op_mfc0_epc (void) |
| 1142 |
{
|
| 1143 |
T0 = env->CP0_EPC; |
| 1144 |
RETURN(); |
| 1145 |
} |
| 1146 |
|
| 1147 |
void op_mfc0_prid (void) |
| 1148 |
{
|
| 1149 |
T0 = SIGN_EXTEND32(env->CP0_PRid); |
| 1150 |
RETURN(); |
| 1151 |
} |
| 1152 |
|
| 1153 |
void op_mfc0_ebase (void) |
| 1154 |
{
|
| 1155 |
T0 = env->CP0_EBase; |
| 1156 |
RETURN(); |
| 1157 |
} |
| 1158 |
|
| 1159 |
void op_mfc0_config0 (void) |
| 1160 |
{
|
| 1161 |
T0 = SIGN_EXTEND32(env->CP0_Config0); |
| 1162 |
RETURN(); |
| 1163 |
} |
| 1164 |
|
| 1165 |
void op_mfc0_config1 (void) |
| 1166 |
{
|
| 1167 |
T0 = SIGN_EXTEND32(env->CP0_Config1); |
| 1168 |
RETURN(); |
| 1169 |
} |
| 1170 |
|
| 1171 |
void op_mfc0_config2 (void) |
| 1172 |
{
|
| 1173 |
T0 = SIGN_EXTEND32(env->CP0_Config2); |
| 1174 |
RETURN(); |
| 1175 |
} |
| 1176 |
|
| 1177 |
void op_mfc0_config3 (void) |
| 1178 |
{
|
| 1179 |
T0 = SIGN_EXTEND32(env->CP0_Config3); |
| 1180 |
RETURN(); |
| 1181 |
} |
| 1182 |
|
| 1183 |
void op_mfc0_lladdr (void) |
| 1184 |
{
|
| 1185 |
T0 = env->CP0_LLAddr >> 4;
|
| 1186 |
RETURN(); |
| 1187 |
} |
| 1188 |
|
| 1189 |
void op_mfc0_watchlo0 (void) |
| 1190 |
{
|
| 1191 |
T0 = SIGN_EXTEND32(env->CP0_WatchLo); |
| 1192 |
RETURN(); |
| 1193 |
} |
| 1194 |
|
| 1195 |
void op_mfc0_watchhi0 (void) |
| 1196 |
{
|
| 1197 |
T0 = SIGN_EXTEND32(env->CP0_WatchHi); |
| 1198 |
RETURN(); |
| 1199 |
} |
| 1200 |
|
| 1201 |
void op_mfc0_xcontext (void) |
| 1202 |
{
|
| 1203 |
T0 = env->CP0_XContext; |
| 1204 |
RETURN(); |
| 1205 |
} |
| 1206 |
|
| 1207 |
void op_mfc0_framemask (void) |
| 1208 |
{
|
| 1209 |
T0 = env->CP0_Framemask; |
| 1210 |
RETURN(); |
| 1211 |
} |
| 1212 |
|
| 1213 |
void op_mfc0_debug (void) |
| 1214 |
{
|
| 1215 |
T0 = SIGN_EXTEND32(env->CP0_Debug); |
| 1216 |
if (env->hflags & MIPS_HFLAG_DM)
|
| 1217 |
T0 |= 1 << CP0DB_DM;
|
| 1218 |
RETURN(); |
| 1219 |
} |
| 1220 |
|
| 1221 |
void op_mfc0_depc (void) |
| 1222 |
{
|
| 1223 |
T0 = env->CP0_DEPC; |
| 1224 |
RETURN(); |
| 1225 |
} |
| 1226 |
|
| 1227 |
void op_mfc0_performance0 (void) |
| 1228 |
{
|
| 1229 |
T0 = SIGN_EXTEND32(env->CP0_Performance0); |
| 1230 |
RETURN(); |
| 1231 |
} |
| 1232 |
|
| 1233 |
void op_mfc0_taglo (void) |
| 1234 |
{
|
| 1235 |
T0 = SIGN_EXTEND32(env->CP0_TagLo); |
| 1236 |
RETURN(); |
| 1237 |
} |
| 1238 |
|
| 1239 |
void op_mfc0_datalo (void) |
| 1240 |
{
|
| 1241 |
T0 = SIGN_EXTEND32(env->CP0_DataLo); |
| 1242 |
RETURN(); |
| 1243 |
} |
| 1244 |
|
| 1245 |
void op_mfc0_taghi (void) |
| 1246 |
{
|
| 1247 |
T0 = SIGN_EXTEND32(env->CP0_TagHi); |
| 1248 |
RETURN(); |
| 1249 |
} |
| 1250 |
|
| 1251 |
void op_mfc0_datahi (void) |
| 1252 |
{
|
| 1253 |
T0 = SIGN_EXTEND32(env->CP0_DataHi); |
| 1254 |
RETURN(); |
| 1255 |
} |
| 1256 |
|
| 1257 |
void op_mfc0_errorepc (void) |
| 1258 |
{
|
| 1259 |
T0 = env->CP0_ErrorEPC; |
| 1260 |
RETURN(); |
| 1261 |
} |
| 1262 |
|
| 1263 |
void op_mfc0_desave (void) |
| 1264 |
{
|
| 1265 |
T0 = SIGN_EXTEND32(env->CP0_DESAVE); |
| 1266 |
RETURN(); |
| 1267 |
} |
| 1268 |
|
| 1269 |
void op_mtc0_index (void) |
| 1270 |
{
|
| 1271 |
env->CP0_index = (env->CP0_index & 0x80000000) | (T0 & (MIPS_TLB_NB - 1)); |
| 1272 |
RETURN(); |
| 1273 |
} |
| 1274 |
|
| 1275 |
void op_mtc0_entrylo0 (void) |
| 1276 |
{
|
| 1277 |
/* Large physaddr not implemented */
|
| 1278 |
/* 1k pages not implemented */
|
| 1279 |
env->CP0_EntryLo0 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
|
| 1280 |
RETURN(); |
| 1281 |
} |
| 1282 |
|
| 1283 |
void op_mtc0_entrylo1 (void) |
| 1284 |
{
|
| 1285 |
/* Large physaddr not implemented */
|
| 1286 |
/* 1k pages not implemented */
|
| 1287 |
env->CP0_EntryLo1 = T0 & SIGN_EXTEND32(0x3FFFFFFFUL);
|
| 1288 |
RETURN(); |
| 1289 |
} |
| 1290 |
|
| 1291 |
void op_mtc0_context (void) |
| 1292 |
{
|
| 1293 |
env->CP0_Context = (env->CP0_Context & ~0x007FFFFF) | (T0 & 0x007FFFF0); |
| 1294 |
RETURN(); |
| 1295 |
} |
| 1296 |
|
| 1297 |
void op_mtc0_pagemask (void) |
| 1298 |
{
|
| 1299 |
/* 1k pages not implemented */
|
| 1300 |
env->CP0_PageMask = T0 & 0x1FFFE000;
|
| 1301 |
RETURN(); |
| 1302 |
} |
| 1303 |
|
| 1304 |
void op_mtc0_pagegrain (void) |
| 1305 |
{
|
| 1306 |
/* SmartMIPS not implemented */
|
| 1307 |
/* Large physaddr not implemented */
|
| 1308 |
/* 1k pages not implemented */
|
| 1309 |
env->CP0_PageGrain = 0;
|
| 1310 |
RETURN(); |
| 1311 |
} |
| 1312 |
|
| 1313 |
void op_mtc0_wired (void) |
| 1314 |
{
|
| 1315 |
env->CP0_Wired = T0 & (MIPS_TLB_NB - 1);
|
| 1316 |
RETURN(); |
| 1317 |
} |
| 1318 |
|
| 1319 |
void op_mtc0_hwrena (void) |
| 1320 |
{
|
| 1321 |
env->CP0_HWREna = T0 & 0x0000000F;
|
| 1322 |
RETURN(); |
| 1323 |
} |
| 1324 |
|
| 1325 |
void op_mtc0_count (void) |
| 1326 |
{
|
| 1327 |
CALL_FROM_TB2(cpu_mips_store_count, env, T0); |
| 1328 |
RETURN(); |
| 1329 |
} |
| 1330 |
|
| 1331 |
void op_mtc0_entryhi (void) |
| 1332 |
{
|
| 1333 |
uint32_t old, val; |
| 1334 |
|
| 1335 |
/* 1k pages not implemented */
|
| 1336 |
/* Ignore MIPS64 TLB for now */
|
| 1337 |
val = T0 & SIGN_EXTEND32(0xFFFFE0FF);
|
| 1338 |
old = env->CP0_EntryHi; |
| 1339 |
env->CP0_EntryHi = val; |
| 1340 |
/* If the ASID changes, flush qemu's TLB. */
|
| 1341 |
if ((old & 0xFF) != (val & 0xFF)) |
| 1342 |
CALL_FROM_TB2(cpu_mips_tlb_flush, env, 1);
|
| 1343 |
RETURN(); |
| 1344 |
} |
| 1345 |
|
| 1346 |
void op_mtc0_compare (void) |
| 1347 |
{
|
| 1348 |
CALL_FROM_TB2(cpu_mips_store_compare, env, T0); |
| 1349 |
RETURN(); |
| 1350 |
} |
| 1351 |
|
| 1352 |
void op_mtc0_status (void) |
| 1353 |
{
|
| 1354 |
uint32_t val, old, mask; |
| 1355 |
|
| 1356 |
val = T0 & SIGN_EXTEND32(0xFA78FF01);
|
| 1357 |
old = env->CP0_Status; |
| 1358 |
if (T0 & (1 << CP0St_UM)) |
| 1359 |
env->hflags |= MIPS_HFLAG_UM; |
| 1360 |
else
|
| 1361 |
env->hflags &= ~MIPS_HFLAG_UM; |
| 1362 |
if (T0 & (1 << CP0St_ERL)) |
| 1363 |
env->hflags |= MIPS_HFLAG_ERL; |
| 1364 |
else
|
| 1365 |
env->hflags &= ~MIPS_HFLAG_ERL; |
| 1366 |
if (T0 & (1 << CP0St_EXL)) |
| 1367 |
env->hflags |= MIPS_HFLAG_EXL; |
| 1368 |
else
|
| 1369 |
env->hflags &= ~MIPS_HFLAG_EXL; |
| 1370 |
env->CP0_Status = val; |
| 1371 |
/* If we unmasked an asserted IRQ, raise it */
|
| 1372 |
mask = 0x0000FF00;
|
| 1373 |
if (loglevel & CPU_LOG_TB_IN_ASM)
|
| 1374 |
CALL_FROM_TB2(do_mtc0_status_debug, old, val); |
| 1375 |
if ((val & (1 << CP0St_IE)) && !(old & (1 << CP0St_IE)) && |
| 1376 |
!(env->hflags & MIPS_HFLAG_EXL) && |
| 1377 |
!(env->hflags & MIPS_HFLAG_ERL) && |
| 1378 |
!(env->hflags & MIPS_HFLAG_DM) && |
| 1379 |
(env->CP0_Status & env->CP0_Cause & mask)) {
|
| 1380 |
env->interrupt_request |= CPU_INTERRUPT_HARD; |
| 1381 |
if (logfile)
|
| 1382 |
CALL_FROM_TB0(do_mtc0_status_irqraise_debug); |
| 1383 |
} else if (!(val & (1 << CP0St_IE)) && (old & (1 << CP0St_IE))) { |
| 1384 |
env->interrupt_request &= ~CPU_INTERRUPT_HARD; |
| 1385 |
} |
| 1386 |
RETURN(); |
| 1387 |
} |
| 1388 |
|
| 1389 |
void op_mtc0_intctl (void) |
| 1390 |
{
|
| 1391 |
/* vectored interrupts not implemented */
|
| 1392 |
env->CP0_IntCtl = 0;
|
| 1393 |
RETURN(); |
| 1394 |
} |
| 1395 |
|
| 1396 |
void op_mtc0_srsctl (void) |
| 1397 |
{
|
| 1398 |
/* shadow registers not implemented */
|
| 1399 |
env->CP0_SRSCtl = 0;
|
| 1400 |
RETURN(); |
| 1401 |
} |
| 1402 |
|
| 1403 |
void op_mtc0_cause (void) |
| 1404 |
{
|
| 1405 |
uint32_t val, old; |
| 1406 |
|
| 1407 |
val = (env->CP0_Cause & 0xB000F87C) | (T0 & 0x00C00300); |
| 1408 |
old = env->CP0_Cause; |
| 1409 |
env->CP0_Cause = val; |
| 1410 |
#if 0
|
| 1411 |
{
|
| 1412 |
int i, mask;
|
| 1413 |
/* Check if we ever asserted a software IRQ */
|
| 1414 |
for (i = 0; i < 2; i++) {
|
| 1415 |
mask = 0x100 << i;
|
| 1416 |
if ((val & mask) & !(old & mask))
|
| 1417 |
CALL_FROM_TB1(mips_set_irq, i);
|
| 1418 |
}
|
| 1419 |
}
|
| 1420 |
#endif
|
| 1421 |
RETURN(); |
| 1422 |
} |
| 1423 |
|
| 1424 |
void op_mtc0_epc (void) |
| 1425 |
{
|
| 1426 |
env->CP0_EPC = T0; |
| 1427 |
RETURN(); |
| 1428 |
} |
| 1429 |
|
| 1430 |
void op_mtc0_ebase (void) |
| 1431 |
{
|
| 1432 |
/* vectored interrupts not implemented */
|
| 1433 |
/* Multi-CPU not implemented */
|
| 1434 |
env->CP0_EBase = SIGN_EXTEND32(0x80000000) | (T0 & 0x3FFFF000); |
| 1435 |
RETURN(); |
| 1436 |
} |
| 1437 |
|
| 1438 |
void op_mtc0_config0 (void) |
| 1439 |
{
|
| 1440 |
#if defined(MIPS_USES_R4K_TLB)
|
| 1441 |
/* Fixed mapping MMU not implemented */
|
| 1442 |
env->CP0_Config0 = (env->CP0_Config0 & 0x8017FF88) | (T0 & 0x00000001); |
| 1443 |
#else
|
| 1444 |
env->CP0_Config0 = (env->CP0_Config0 & 0xFE17FF88) | (T0 & 0x00000001); |
| 1445 |
#endif
|
| 1446 |
RETURN(); |
| 1447 |
} |
| 1448 |
|
| 1449 |
void op_mtc0_config2 (void) |
| 1450 |
{
|
| 1451 |
/* tertiary/secondary caches not implemented */
|
| 1452 |
env->CP0_Config2 = (env->CP0_Config2 & 0x8FFF0FFF);
|
| 1453 |
RETURN(); |
| 1454 |
} |
| 1455 |
|
| 1456 |
void op_mtc0_watchlo0 (void) |
| 1457 |
{
|
| 1458 |
env->CP0_WatchLo = T0; |
| 1459 |
RETURN(); |
| 1460 |
} |
| 1461 |
|
| 1462 |
void op_mtc0_watchhi0 (void) |
| 1463 |
{
|
| 1464 |
env->CP0_WatchHi = T0 & 0x40FF0FF8;
|
| 1465 |
RETURN(); |
| 1466 |
} |
| 1467 |
|
| 1468 |
void op_mtc0_xcontext (void) |
| 1469 |
{
|
| 1470 |
env->CP0_XContext = T0; /* XXX */
|
| 1471 |
RETURN(); |
| 1472 |
} |
| 1473 |
|
| 1474 |
void op_mtc0_framemask (void) |
| 1475 |
{
|
| 1476 |
env->CP0_Framemask = T0; /* XXX */
|
| 1477 |
RETURN(); |
| 1478 |
} |
| 1479 |
|
| 1480 |
void op_mtc0_debug (void) |
| 1481 |
{
|
| 1482 |
env->CP0_Debug = (env->CP0_Debug & 0x8C03FC1F) | (T0 & 0x13300120); |
| 1483 |
if (T0 & (1 << CP0DB_DM)) |
| 1484 |
env->hflags |= MIPS_HFLAG_DM; |
| 1485 |
else
|
| 1486 |
env->hflags &= ~MIPS_HFLAG_DM; |
| 1487 |
RETURN(); |
| 1488 |
} |
| 1489 |
|
| 1490 |
void op_mtc0_depc (void) |
| 1491 |
{
|
| 1492 |
env->CP0_DEPC = T0; |
| 1493 |
RETURN(); |
| 1494 |
} |
| 1495 |
|
| 1496 |
void op_mtc0_performance0 (void) |
| 1497 |
{
|
| 1498 |
env->CP0_Performance0 = T0; /* XXX */
|
| 1499 |
RETURN(); |
| 1500 |
} |
| 1501 |
|
| 1502 |
void op_mtc0_taglo (void) |
| 1503 |
{
|
| 1504 |
env->CP0_TagLo = T0 & SIGN_EXTEND32(0xFFFFFCF6);
|
| 1505 |
RETURN(); |
| 1506 |
} |
| 1507 |
|
| 1508 |
void op_mtc0_datalo (void) |
| 1509 |
{
|
| 1510 |
env->CP0_DataLo = T0; /* XXX */
|
| 1511 |
RETURN(); |
| 1512 |
} |
| 1513 |
|
| 1514 |
void op_mtc0_taghi (void) |
| 1515 |
{
|
| 1516 |
env->CP0_TagHi = T0; /* XXX */
|
| 1517 |
RETURN(); |
| 1518 |
} |
| 1519 |
|
| 1520 |
void op_mtc0_datahi (void) |
| 1521 |
{
|
| 1522 |
env->CP0_DataHi = T0; /* XXX */
|
| 1523 |
RETURN(); |
| 1524 |
} |
| 1525 |
|
| 1526 |
void op_mtc0_errorepc (void) |
| 1527 |
{
|
| 1528 |
env->CP0_ErrorEPC = T0; |
| 1529 |
RETURN(); |
| 1530 |
} |
| 1531 |
|
| 1532 |
void op_mtc0_desave (void) |
| 1533 |
{
|
| 1534 |
env->CP0_DESAVE = T0; |
| 1535 |
RETURN(); |
| 1536 |
} |
| 1537 |
|
| 1538 |
#ifdef MIPS_USES_FPU
|
| 1539 |
|
| 1540 |
#if 0
|
| 1541 |
# define DEBUG_FPU_STATE() CALL_FROM_TB1(dump_fpu, env)
|
| 1542 |
#else
|
| 1543 |
# define DEBUG_FPU_STATE() do { } while(0) |
| 1544 |
#endif
|
| 1545 |
|
| 1546 |
void op_cp1_enabled(void) |
| 1547 |
{
|
| 1548 |
if (!(env->CP0_Status & (1 << CP0St_CU1))) { |
| 1549 |
CALL_FROM_TB2(do_raise_exception_err, EXCP_CpU, 1);
|
| 1550 |
} |
| 1551 |
RETURN(); |
| 1552 |
} |
| 1553 |
|
| 1554 |
/* CP1 functions */
|
| 1555 |
void op_cfc1 (void) |
| 1556 |
{
|
| 1557 |
if (T1 == 0) { |
| 1558 |
T0 = env->fcr0; |
| 1559 |
} |
| 1560 |
else {
|
| 1561 |
/* fetch fcr31, masking unused bits */
|
| 1562 |
T0 = env->fcr31 & 0x0183FFFF;
|
| 1563 |
} |
| 1564 |
DEBUG_FPU_STATE(); |
| 1565 |
RETURN(); |
| 1566 |
} |
| 1567 |
|
| 1568 |
/* convert MIPS rounding mode in FCR31 to IEEE library */
|
| 1569 |
unsigned int ieee_rm[] = { |
| 1570 |
float_round_nearest_even, |
| 1571 |
float_round_to_zero, |
| 1572 |
float_round_up, |
| 1573 |
float_round_down |
| 1574 |
}; |
| 1575 |
|
| 1576 |
#define RESTORE_ROUNDING_MODE \
|
| 1577 |
set_float_rounding_mode(ieee_rm[env->fcr31 & 3], &env->fp_status)
|
| 1578 |
|
| 1579 |
void op_ctc1 (void) |
| 1580 |
{
|
| 1581 |
if (T1 == 0) { |
| 1582 |
/* XXX should this throw an exception?
|
| 1583 |
* don't write to FCR0.
|
| 1584 |
* env->fcr0 = T0;
|
| 1585 |
*/
|
| 1586 |
} |
| 1587 |
else {
|
| 1588 |
/* store new fcr31, masking unused bits */
|
| 1589 |
env->fcr31 = T0 & 0x0183FFFF;
|
| 1590 |
|
| 1591 |
/* set rounding mode */
|
| 1592 |
RESTORE_ROUNDING_MODE; |
| 1593 |
|
| 1594 |
#ifndef CONFIG_SOFTFLOAT
|
| 1595 |
/* no floating point exception for native float */
|
| 1596 |
SET_FP_ENABLE(env->fcr31, 0);
|
| 1597 |
#endif
|
| 1598 |
} |
| 1599 |
DEBUG_FPU_STATE(); |
| 1600 |
RETURN(); |
| 1601 |
} |
| 1602 |
|
| 1603 |
void op_mfc1 (void) |
| 1604 |
{
|
| 1605 |
T0 = WT0; |
| 1606 |
DEBUG_FPU_STATE(); |
| 1607 |
RETURN(); |
| 1608 |
} |
| 1609 |
|
| 1610 |
void op_mtc1 (void) |
| 1611 |
{
|
| 1612 |
WT0 = T0; |
| 1613 |
DEBUG_FPU_STATE(); |
| 1614 |
RETURN(); |
| 1615 |
} |
| 1616 |
|
| 1617 |
/* Float support.
|
| 1618 |
Single precition routines have a "s" suffix, double precision a
|
| 1619 |
"d" suffix. */
|
| 1620 |
|
| 1621 |
#define FLOAT_OP(name, p) void OPPROTO op_float_##name##_##p(void) |
| 1622 |
|
| 1623 |
FLOAT_OP(cvtd, s) |
| 1624 |
{
|
| 1625 |
FDT2 = float32_to_float64(WT0, &env->fp_status); |
| 1626 |
DEBUG_FPU_STATE(); |
| 1627 |
RETURN(); |
| 1628 |
} |
| 1629 |
FLOAT_OP(cvtd, w) |
| 1630 |
{
|
| 1631 |
FDT2 = int32_to_float64(WT0, &env->fp_status); |
| 1632 |
DEBUG_FPU_STATE(); |
| 1633 |
RETURN(); |
| 1634 |
} |
| 1635 |
FLOAT_OP(cvts, d) |
| 1636 |
{
|
| 1637 |
FST2 = float64_to_float32(FDT0, &env->fp_status); |
| 1638 |
DEBUG_FPU_STATE(); |
| 1639 |
RETURN(); |
| 1640 |
} |
| 1641 |
FLOAT_OP(cvts, w) |
| 1642 |
{
|
| 1643 |
FST2 = int32_to_float32(WT0, &env->fp_status); |
| 1644 |
DEBUG_FPU_STATE(); |
| 1645 |
RETURN(); |
| 1646 |
} |
| 1647 |
FLOAT_OP(cvtw, s) |
| 1648 |
{
|
| 1649 |
WT2 = float32_to_int32(FST0, &env->fp_status); |
| 1650 |
DEBUG_FPU_STATE(); |
| 1651 |
RETURN(); |
| 1652 |
} |
| 1653 |
FLOAT_OP(cvtw, d) |
| 1654 |
{
|
| 1655 |
WT2 = float64_to_int32(FDT0, &env->fp_status); |
| 1656 |
DEBUG_FPU_STATE(); |
| 1657 |
RETURN(); |
| 1658 |
} |
| 1659 |
|
| 1660 |
FLOAT_OP(roundw, d) |
| 1661 |
{
|
| 1662 |
set_float_rounding_mode(float_round_nearest_even, &env->fp_status); |
| 1663 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
| 1664 |
RESTORE_ROUNDING_MODE; |
| 1665 |
|
| 1666 |
DEBUG_FPU_STATE(); |
| 1667 |
RETURN(); |
| 1668 |
} |
| 1669 |
FLOAT_OP(roundw, s) |
| 1670 |
{
|
| 1671 |
set_float_rounding_mode(float_round_nearest_even, &env->fp_status); |
| 1672 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
| 1673 |
RESTORE_ROUNDING_MODE; |
| 1674 |
DEBUG_FPU_STATE(); |
| 1675 |
RETURN(); |
| 1676 |
} |
| 1677 |
|
| 1678 |
FLOAT_OP(truncw, d) |
| 1679 |
{
|
| 1680 |
WT2 = float64_to_int32_round_to_zero(FDT0, &env->fp_status); |
| 1681 |
DEBUG_FPU_STATE(); |
| 1682 |
RETURN(); |
| 1683 |
} |
| 1684 |
FLOAT_OP(truncw, s) |
| 1685 |
{
|
| 1686 |
WT2 = float32_to_int32_round_to_zero(FST0, &env->fp_status); |
| 1687 |
DEBUG_FPU_STATE(); |
| 1688 |
RETURN(); |
| 1689 |
} |
| 1690 |
|
| 1691 |
FLOAT_OP(ceilw, d) |
| 1692 |
{
|
| 1693 |
set_float_rounding_mode(float_round_up, &env->fp_status); |
| 1694 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
| 1695 |
RESTORE_ROUNDING_MODE; |
| 1696 |
|
| 1697 |
DEBUG_FPU_STATE(); |
| 1698 |
RETURN(); |
| 1699 |
} |
| 1700 |
FLOAT_OP(ceilw, s) |
| 1701 |
{
|
| 1702 |
set_float_rounding_mode(float_round_up, &env->fp_status); |
| 1703 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
| 1704 |
RESTORE_ROUNDING_MODE; |
| 1705 |
DEBUG_FPU_STATE(); |
| 1706 |
RETURN(); |
| 1707 |
} |
| 1708 |
|
| 1709 |
FLOAT_OP(floorw, d) |
| 1710 |
{
|
| 1711 |
set_float_rounding_mode(float_round_down, &env->fp_status); |
| 1712 |
WT2 = float64_round_to_int(FDT0, &env->fp_status); |
| 1713 |
RESTORE_ROUNDING_MODE; |
| 1714 |
|
| 1715 |
DEBUG_FPU_STATE(); |
| 1716 |
RETURN(); |
| 1717 |
} |
| 1718 |
FLOAT_OP(floorw, s) |
| 1719 |
{
|
| 1720 |
set_float_rounding_mode(float_round_down, &env->fp_status); |
| 1721 |
WT2 = float32_round_to_int(FST0, &env->fp_status); |
| 1722 |
RESTORE_ROUNDING_MODE; |
| 1723 |
DEBUG_FPU_STATE(); |
| 1724 |
RETURN(); |
| 1725 |
} |
| 1726 |
|
| 1727 |
/* binary operations */
|
| 1728 |
#define FLOAT_BINOP(name) \
|
| 1729 |
FLOAT_OP(name, d) \ |
| 1730 |
{ \
|
| 1731 |
FDT2 = float64_ ## name (FDT0, FDT1, &env->fp_status); \ |
| 1732 |
DEBUG_FPU_STATE(); \ |
| 1733 |
} \ |
| 1734 |
FLOAT_OP(name, s) \ |
| 1735 |
{ \
|
| 1736 |
FST2 = float32_ ## name (FST0, FST1, &env->fp_status); \ |
| 1737 |
DEBUG_FPU_STATE(); \ |
| 1738 |
} |
| 1739 |
FLOAT_BINOP(add) |
| 1740 |
FLOAT_BINOP(sub) |
| 1741 |
FLOAT_BINOP(mul) |
| 1742 |
FLOAT_BINOP(div) |
| 1743 |
#undef FLOAT_BINOP
|
| 1744 |
|
| 1745 |
/* unary operations, modifying fp status */
|
| 1746 |
#define FLOAT_UNOP(name) \
|
| 1747 |
FLOAT_OP(name, d) \ |
| 1748 |
{ \
|
| 1749 |
FDT2 = float64_ ## name(FDT0, &env->fp_status); \ |
| 1750 |
DEBUG_FPU_STATE(); \ |
| 1751 |
} \ |
| 1752 |
FLOAT_OP(name, s) \ |
| 1753 |
{ \
|
| 1754 |
FST2 = float32_ ## name(FST0, &env->fp_status); \ |
| 1755 |
DEBUG_FPU_STATE(); \ |
| 1756 |
} |
| 1757 |
FLOAT_UNOP(sqrt) |
| 1758 |
#undef FLOAT_UNOP
|
| 1759 |
|
| 1760 |
/* unary operations, not modifying fp status */
|
| 1761 |
#define FLOAT_UNOP(name) \
|
| 1762 |
FLOAT_OP(name, d) \ |
| 1763 |
{ \
|
| 1764 |
FDT2 = float64_ ## name(FDT0); \ |
| 1765 |
DEBUG_FPU_STATE(); \ |
| 1766 |
} \ |
| 1767 |
FLOAT_OP(name, s) \ |
| 1768 |
{ \
|
| 1769 |
FST2 = float32_ ## name(FST0); \ |
| 1770 |
DEBUG_FPU_STATE(); \ |
| 1771 |
} |
| 1772 |
FLOAT_UNOP(abs) |
| 1773 |
FLOAT_UNOP(chs) |
| 1774 |
#undef FLOAT_UNOP
|
| 1775 |
|
| 1776 |
FLOAT_OP(mov, d) |
| 1777 |
{
|
| 1778 |
FDT2 = FDT0; |
| 1779 |
DEBUG_FPU_STATE(); |
| 1780 |
RETURN(); |
| 1781 |
} |
| 1782 |
FLOAT_OP(mov, s) |
| 1783 |
{
|
| 1784 |
FST2 = FST0; |
| 1785 |
DEBUG_FPU_STATE(); |
| 1786 |
RETURN(); |
| 1787 |
} |
| 1788 |
|
| 1789 |
#ifdef CONFIG_SOFTFLOAT
|
| 1790 |
#define clear_invalid() do { \ |
| 1791 |
int flags = get_float_exception_flags(&env->fp_status); \
|
| 1792 |
flags &= ~float_flag_invalid; \ |
| 1793 |
set_float_exception_flags(flags, &env->fp_status); \ |
| 1794 |
} while(0) |
| 1795 |
#else
|
| 1796 |
#define clear_invalid() do { } while(0) |
| 1797 |
#endif
|
| 1798 |
|
| 1799 |
extern void dump_fpu_s(CPUState *env); |
| 1800 |
|
| 1801 |
#define FOP_COND(fmt, op, sig, cond) \
|
| 1802 |
void op_cmp_ ## fmt ## _ ## op (void) \ |
| 1803 |
{ \
|
| 1804 |
if (cond) \
|
| 1805 |
SET_FP_COND(env->fcr31); \ |
| 1806 |
else \
|
| 1807 |
CLEAR_FP_COND(env->fcr31); \ |
| 1808 |
if (!sig) \
|
| 1809 |
clear_invalid(); \ |
| 1810 |
/*CALL_FROM_TB1(dump_fpu_s, env);*/ \
|
| 1811 |
DEBUG_FPU_STATE(); \ |
| 1812 |
RETURN(); \ |
| 1813 |
} |
| 1814 |
|
| 1815 |
int float64_is_unordered(float64 a, float64 b STATUS_PARAM)
|
| 1816 |
{
|
| 1817 |
if (float64_is_nan(a) || float64_is_nan(b)) {
|
| 1818 |
float_raise(float_flag_invalid, status); |
| 1819 |
return 1; |
| 1820 |
} |
| 1821 |
else {
|
| 1822 |
return 0; |
| 1823 |
} |
| 1824 |
} |
| 1825 |
|
| 1826 |
FOP_COND(d, f, 0, 0) |
| 1827 |
FOP_COND(d, un, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status))
|
| 1828 |
FOP_COND(d, eq, 0, float64_eq(FDT0, FDT1, &env->fp_status))
|
| 1829 |
FOP_COND(d, ueq, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
|
| 1830 |
FOP_COND(d, olt, 0, float64_lt(FDT0, FDT1, &env->fp_status))
|
| 1831 |
FOP_COND(d, ult, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
|
| 1832 |
FOP_COND(d, ole, 0, float64_le(FDT0, FDT1, &env->fp_status))
|
| 1833 |
FOP_COND(d, ule, 0, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
|
| 1834 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 1835 |
* but float*_is_unordered() is still called
|
| 1836 |
*/
|
| 1837 |
FOP_COND(d, sf, 1, (float64_is_unordered(FDT0, FDT1, &env->fp_status), 0)) |
| 1838 |
FOP_COND(d, ngle,1, float64_is_unordered(FDT1, FDT0, &env->fp_status))
|
| 1839 |
FOP_COND(d, seq, 1, float64_eq(FDT0, FDT1, &env->fp_status))
|
| 1840 |
FOP_COND(d, ngl, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_eq(FDT0, FDT1, &env->fp_status))
|
| 1841 |
FOP_COND(d, lt, 1, float64_lt(FDT0, FDT1, &env->fp_status))
|
| 1842 |
FOP_COND(d, nge, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_lt(FDT0, FDT1, &env->fp_status))
|
| 1843 |
FOP_COND(d, le, 1, float64_le(FDT0, FDT1, &env->fp_status))
|
| 1844 |
FOP_COND(d, ngt, 1, float64_is_unordered(FDT1, FDT0, &env->fp_status) || float64_le(FDT0, FDT1, &env->fp_status))
|
| 1845 |
|
| 1846 |
flag float32_is_unordered(float32 a, float32 b STATUS_PARAM) |
| 1847 |
{
|
| 1848 |
extern flag float32_is_nan( float32 a );
|
| 1849 |
if (float32_is_nan(a) || float32_is_nan(b)) {
|
| 1850 |
float_raise(float_flag_invalid, status); |
| 1851 |
return 1; |
| 1852 |
} |
| 1853 |
else {
|
| 1854 |
return 0; |
| 1855 |
} |
| 1856 |
} |
| 1857 |
|
| 1858 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 1859 |
* but float*_is_unordered() is still called
|
| 1860 |
*/
|
| 1861 |
FOP_COND(s, f, 0, 0) |
| 1862 |
FOP_COND(s, un, 0, float32_is_unordered(FST1, FST0, &env->fp_status))
|
| 1863 |
FOP_COND(s, eq, 0, float32_eq(FST0, FST1, &env->fp_status))
|
| 1864 |
FOP_COND(s, ueq, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
|
| 1865 |
FOP_COND(s, olt, 0, float32_lt(FST0, FST1, &env->fp_status))
|
| 1866 |
FOP_COND(s, ult, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
|
| 1867 |
FOP_COND(s, ole, 0, float32_le(FST0, FST1, &env->fp_status))
|
| 1868 |
FOP_COND(s, ule, 0, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
|
| 1869 |
/* NOTE: the comma operator will make "cond" to eval to false,
|
| 1870 |
* but float*_is_unordered() is still called
|
| 1871 |
*/
|
| 1872 |
FOP_COND(s, sf, 1, (float32_is_unordered(FST0, FST1, &env->fp_status), 0)) |
| 1873 |
FOP_COND(s, ngle,1, float32_is_unordered(FST1, FST0, &env->fp_status))
|
| 1874 |
FOP_COND(s, seq, 1, float32_eq(FST0, FST1, &env->fp_status))
|
| 1875 |
FOP_COND(s, ngl, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_eq(FST0, FST1, &env->fp_status))
|
| 1876 |
FOP_COND(s, lt, 1, float32_lt(FST0, FST1, &env->fp_status))
|
| 1877 |
FOP_COND(s, nge, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_lt(FST0, FST1, &env->fp_status))
|
| 1878 |
FOP_COND(s, le, 1, float32_le(FST0, FST1, &env->fp_status))
|
| 1879 |
FOP_COND(s, ngt, 1, float32_is_unordered(FST1, FST0, &env->fp_status) || float32_le(FST0, FST1, &env->fp_status))
|
| 1880 |
|
| 1881 |
void op_bc1f (void) |
| 1882 |
{
|
| 1883 |
T0 = ! IS_FP_COND_SET(env->fcr31); |
| 1884 |
DEBUG_FPU_STATE(); |
| 1885 |
RETURN(); |
| 1886 |
} |
| 1887 |
|
| 1888 |
void op_bc1t (void) |
| 1889 |
{
|
| 1890 |
T0 = IS_FP_COND_SET(env->fcr31); |
| 1891 |
DEBUG_FPU_STATE(); |
| 1892 |
RETURN(); |
| 1893 |
} |
| 1894 |
#endif /* MIPS_USES_FPU */ |
| 1895 |
|
| 1896 |
#if defined(MIPS_USES_R4K_TLB)
|
| 1897 |
void op_tlbwi (void) |
| 1898 |
{
|
| 1899 |
CALL_FROM_TB0(do_tlbwi); |
| 1900 |
RETURN(); |
| 1901 |
} |
| 1902 |
|
| 1903 |
void op_tlbwr (void) |
| 1904 |
{
|
| 1905 |
CALL_FROM_TB0(do_tlbwr); |
| 1906 |
RETURN(); |
| 1907 |
} |
| 1908 |
|
| 1909 |
void op_tlbp (void) |
| 1910 |
{
|
| 1911 |
CALL_FROM_TB0(do_tlbp); |
| 1912 |
RETURN(); |
| 1913 |
} |
| 1914 |
|
| 1915 |
void op_tlbr (void) |
| 1916 |
{
|
| 1917 |
CALL_FROM_TB0(do_tlbr); |
| 1918 |
RETURN(); |
| 1919 |
} |
| 1920 |
#endif
|
| 1921 |
|
| 1922 |
/* Specials */
|
| 1923 |
void op_pmon (void) |
| 1924 |
{
|
| 1925 |
CALL_FROM_TB1(do_pmon, PARAM1); |
| 1926 |
RETURN(); |
| 1927 |
} |
| 1928 |
|
| 1929 |
void op_di (void) |
| 1930 |
{
|
| 1931 |
uint32_t val; |
| 1932 |
|
| 1933 |
T0 = env->CP0_Status; |
| 1934 |
val = T0 & ~(1 << CP0St_IE);
|
| 1935 |
if (val != T0) {
|
| 1936 |
env->interrupt_request &= ~CPU_INTERRUPT_HARD; |
| 1937 |
env->CP0_Status = val; |
| 1938 |
} |
| 1939 |
RETURN(); |
| 1940 |
} |
| 1941 |
|
| 1942 |
void op_ei (void) |
| 1943 |
{
|
| 1944 |
uint32_t val; |
| 1945 |
|
| 1946 |
T0 = env->CP0_Status; |
| 1947 |
val = T0 | (1 << CP0St_IE);
|
| 1948 |
if (val != T0) {
|
| 1949 |
const uint32_t mask = 0x0000FF00; |
| 1950 |
|
| 1951 |
env->CP0_Status = val; |
| 1952 |
if (!(env->hflags & MIPS_HFLAG_EXL) &&
|
| 1953 |
!(env->hflags & MIPS_HFLAG_ERL) && |
| 1954 |
!(env->hflags & MIPS_HFLAG_DM) && |
| 1955 |
(env->CP0_Status & env->CP0_Cause & mask)) {
|
| 1956 |
env->interrupt_request |= CPU_INTERRUPT_HARD; |
| 1957 |
if (logfile)
|
| 1958 |
CALL_FROM_TB0(do_mtc0_status_irqraise_debug); |
| 1959 |
} |
| 1960 |
} |
| 1961 |
RETURN(); |
| 1962 |
} |
| 1963 |
|
| 1964 |
void op_trap (void) |
| 1965 |
{
|
| 1966 |
if (T0) {
|
| 1967 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_TRAP); |
| 1968 |
} |
| 1969 |
RETURN(); |
| 1970 |
} |
| 1971 |
|
| 1972 |
void op_debug (void) |
| 1973 |
{
|
| 1974 |
CALL_FROM_TB1(do_raise_exception, EXCP_DEBUG); |
| 1975 |
RETURN(); |
| 1976 |
} |
| 1977 |
|
| 1978 |
void op_set_lladdr (void) |
| 1979 |
{
|
| 1980 |
env->CP0_LLAddr = T2; |
| 1981 |
RETURN(); |
| 1982 |
} |
| 1983 |
|
| 1984 |
void debug_eret (void); |
| 1985 |
void op_eret (void) |
| 1986 |
{
|
| 1987 |
CALL_FROM_TB0(debug_eret); |
| 1988 |
if (env->hflags & MIPS_HFLAG_ERL) {
|
| 1989 |
env->PC = env->CP0_ErrorEPC; |
| 1990 |
env->hflags &= ~MIPS_HFLAG_ERL; |
| 1991 |
env->CP0_Status &= ~(1 << CP0St_ERL);
|
| 1992 |
} else {
|
| 1993 |
env->PC = env->CP0_EPC; |
| 1994 |
env->hflags &= ~MIPS_HFLAG_EXL; |
| 1995 |
env->CP0_Status &= ~(1 << CP0St_EXL);
|
| 1996 |
} |
| 1997 |
env->CP0_LLAddr = 1;
|
| 1998 |
RETURN(); |
| 1999 |
} |
| 2000 |
|
| 2001 |
void op_deret (void) |
| 2002 |
{
|
| 2003 |
CALL_FROM_TB0(debug_eret); |
| 2004 |
env->PC = env->CP0_DEPC; |
| 2005 |
RETURN(); |
| 2006 |
} |
| 2007 |
|
| 2008 |
void op_rdhwr_cpunum(void) |
| 2009 |
{
|
| 2010 |
if (env->CP0_HWREna & (1 << 0)) |
| 2011 |
T0 = env->CP0_EBase & 0x2ff;
|
| 2012 |
else
|
| 2013 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI); |
| 2014 |
RETURN(); |
| 2015 |
} |
| 2016 |
|
| 2017 |
void op_rdhwr_synci_step(void) |
| 2018 |
{
|
| 2019 |
if (env->CP0_HWREna & (1 << 1)) |
| 2020 |
T0 = env->SYNCI_Step; |
| 2021 |
else
|
| 2022 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI); |
| 2023 |
RETURN(); |
| 2024 |
} |
| 2025 |
|
| 2026 |
void op_rdhwr_cc(void) |
| 2027 |
{
|
| 2028 |
if (env->CP0_HWREna & (1 << 2)) |
| 2029 |
T0 = env->CP0_Count; |
| 2030 |
else
|
| 2031 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI); |
| 2032 |
RETURN(); |
| 2033 |
} |
| 2034 |
|
| 2035 |
void op_rdhwr_ccres(void) |
| 2036 |
{
|
| 2037 |
if (env->CP0_HWREna & (1 << 3)) |
| 2038 |
T0 = env->CCRes; |
| 2039 |
else
|
| 2040 |
CALL_FROM_TB1(do_raise_exception_direct, EXCP_RI); |
| 2041 |
RETURN(); |
| 2042 |
} |
| 2043 |
|
| 2044 |
void op_save_state (void) |
| 2045 |
{
|
| 2046 |
env->hflags = PARAM1; |
| 2047 |
RETURN(); |
| 2048 |
} |
| 2049 |
|
| 2050 |
void op_save_pc (void) |
| 2051 |
{
|
| 2052 |
env->PC = PARAM1; |
| 2053 |
RETURN(); |
| 2054 |
} |
| 2055 |
|
| 2056 |
void op_raise_exception (void) |
| 2057 |
{
|
| 2058 |
CALL_FROM_TB1(do_raise_exception, PARAM1); |
| 2059 |
RETURN(); |
| 2060 |
} |
| 2061 |
|
| 2062 |
void op_raise_exception_err (void) |
| 2063 |
{
|
| 2064 |
CALL_FROM_TB2(do_raise_exception_err, PARAM1, PARAM2); |
| 2065 |
RETURN(); |
| 2066 |
} |
| 2067 |
|
| 2068 |
void op_exit_tb (void) |
| 2069 |
{
|
| 2070 |
EXIT_TB(); |
| 2071 |
RETURN(); |
| 2072 |
} |
| 2073 |
|
| 2074 |
void op_wait (void) |
| 2075 |
{
|
| 2076 |
env->halted = 1;
|
| 2077 |
CALL_FROM_TB1(do_raise_exception, EXCP_HLT); |
| 2078 |
RETURN(); |
| 2079 |
} |
| 2080 |
|
| 2081 |
/* Bitfield operations. */
|
| 2082 |
void op_ext(void) |
| 2083 |
{
|
| 2084 |
unsigned int pos = PARAM1; |
| 2085 |
unsigned int size = PARAM2; |
| 2086 |
|
| 2087 |
T0 = ((uint32_t)T1 >> pos) & ((1 << size) - 1); |
| 2088 |
RETURN(); |
| 2089 |
} |
| 2090 |
|
| 2091 |
void op_ins(void) |
| 2092 |
{
|
| 2093 |
unsigned int pos = PARAM1; |
| 2094 |
unsigned int size = PARAM2; |
| 2095 |
target_ulong mask = ((1 << size) - 1) << pos; |
| 2096 |
|
| 2097 |
T0 = (T2 & ~mask) | (((uint32_t)T1 << pos) & mask); |
| 2098 |
RETURN(); |
| 2099 |
} |
| 2100 |
|
| 2101 |
void op_wsbh(void) |
| 2102 |
{
|
| 2103 |
T0 = ((T1 << 8) & ~0x00FF00FF) | ((T1 >> 8) & 0x00FF00FF); |
| 2104 |
RETURN(); |
| 2105 |
} |
| 2106 |
|
| 2107 |
#ifdef MIPS_HAS_MIPS64
|
| 2108 |
void op_dext(void) |
| 2109 |
{
|
| 2110 |
unsigned int pos = PARAM1; |
| 2111 |
unsigned int size = PARAM2; |
| 2112 |
|
| 2113 |
T0 = (T1 >> pos) & ((1 << size) - 1); |
| 2114 |
RETURN(); |
| 2115 |
} |
| 2116 |
|
| 2117 |
void op_dins(void) |
| 2118 |
{
|
| 2119 |
unsigned int pos = PARAM1; |
| 2120 |
unsigned int size = PARAM2; |
| 2121 |
target_ulong mask = ((1 << size) - 1) << pos; |
| 2122 |
|
| 2123 |
T0 = (T2 & ~mask) | ((T1 << pos) & mask); |
| 2124 |
RETURN(); |
| 2125 |
} |
| 2126 |
|
| 2127 |
void op_dsbh(void) |
| 2128 |
{
|
| 2129 |
T0 = ((T1 << 8) & ~0x00FF00FF00FF00FFULL) | ((T1 >> 8) & 0x00FF00FF00FF00FFULL); |
| 2130 |
RETURN(); |
| 2131 |
} |
| 2132 |
|
| 2133 |
void op_dshd(void) |
| 2134 |
{
|
| 2135 |
T0 = ((T1 << 16) & ~0x0000FFFF0000FFFFULL) | ((T1 >> 16) & 0x0000FFFF0000FFFFULL); |
| 2136 |
RETURN(); |
| 2137 |
} |
| 2138 |
#endif
|
| 2139 |
|
| 2140 |
void op_seb(void) |
| 2141 |
{
|
| 2142 |
T0 = ((T1 & 0xFF) ^ 0x80) - 0x80; |
| 2143 |
RETURN(); |
| 2144 |
} |
| 2145 |
|
| 2146 |
void op_seh(void) |
| 2147 |
{
|
| 2148 |
T0 = ((T1 & 0xFFFF) ^ 0x8000) - 0x8000; |
| 2149 |
RETURN(); |
| 2150 |
} |