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/*
* PPC emulation micro-operations for qemu.
*
* Copyright (c) 2003 Jocelyn Mayer
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* Host registers definitions */
$DEFH T 3
/* PPC registers definitions */
$DEF gpr 32
$DEF fpr 32
$DEF crf 8
$DEF spr 1024
/* PPC registers <-> host registers move */
/* GPR */
$OP load_gpr_T0 gpr
{
T0 = regs->gpra;
RETURN();
}
$ENDOP
$OP load_gpr_T1 gpr
{
T1 = regs->gpra;
RETURN();
}
$ENDOP
$OP load_gpr_T2 gpr
{
T2 = regs->gpra;
RETURN();
}
$ENDOP
$OP store_T0_gpr gpr
{
regs->gpra = T0;
RETURN();
}
$ENDOP
$OP store_T1_gpr gpr
{
regs->gpra = T1;
RETURN();
}
$ENDOP
$OP store_gpr_P gpr PARAM
{
regs->gpra = PARAM(1);
RETURN();
}
$ENDOP
/* crf */
$OP load_crf_T0 crf
{
T0 = regs->crfa;
RETURN();
}
$ENDOP
$OP load_crf_T1 crf
{
T1 = regs->crfa;
RETURN();
}
$ENDOP
$OP store_T0_crf crf
{
regs->crfa = T0;
RETURN();
}
$ENDOP
$OP store_T1_crf crf
{
regs->crfa = T1;
RETURN();
}
$ENDOP
/* SPR */
$OP load_spr spr
{
T0 = regs->spra;
RETURN();
}
$ENDOP
$OP store_spr spr
{
regs->spra = T0;
RETURN();
}
$ENDOP
/* FPSCR */
$OP load_fpscr fpr
{
regs->fpra = do_load_fpscr();
RETURN();
}
$ENDOP
$OP store_fpscr fpr PARAM
{
do_store_fpscr(PARAM(1), regs->fpra);
RETURN();
}
$ENDOP
/*** Floating-point store ***/
/* candidate for helper (too long on x86 host) */
$OP stfd_z fpr PARAM
{
st64(SPARAM(1), regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfd fpr PARAM
{
T0 += SPARAM(1);
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfdx_z fpr
{
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP stfdx fpr
{
T0 += T1;
st64(T0, regs->fpra);
RETURN();
}
$ENDOP
/* candidate for helper (too long on x86 host) */
$OP lfd_z fpr PARAM
{
regs->fpra = ld64(SPARAM(1));
RETURN();
}
$ENDOP
/* candidate for helper (too long) */
$OP lfd fpr PARAM
{
T0 += SPARAM(1);
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
$OP lfdx_z fpr
{
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
$OP lfdx fpr
{
T0 += T1;
regs->fpra = ld64(T0);
RETURN();
}
$ENDOP
/*****************************************************************************/
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