haraldwolff/qemu-patch-raspberry4
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SH4: final conversion to TCG

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Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5125 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aurel32 2008-09-01 22:12:06 +00:00
parent cc4ba6a982
commit 7fdf924fdd
5 changed files with 14 additions and 30 deletions
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2
configure vendored
View file

@ -1427,10 +1427,8 @@ case "$target_cpu" in
;;
sh4|sh4eb)
echo "TARGET_ARCH=sh4" >> $config_mak
echo "CONFIG_DYNGEN_OP=yes" >> $config_mak
echo "#define TARGET_ARCH \"sh4\"" >> $config_h
echo "#define TARGET_SH4 1" >> $config_h
echo "#define CONFIG_DYNGEN_OP 1" >> $config_h
bflt="yes"
;;
sparc)

1
target-sh4/helper.h
View file

@ -37,6 +37,7 @@ DEF_HELPER(uint32_t, helper_float_FT, (uint32_t))
DEF_HELPER(uint64_t, helper_float_DT, (uint32_t))
DEF_HELPER(uint32_t, helper_fmul_FT, (uint32_t, uint32_t))
DEF_HELPER(uint64_t, helper_fmul_DT, (uint64_t, uint64_t))
DEF_HELPER(uint32_t, helper_fneg_T, (uint32_t))
DEF_HELPER(uint32_t, helper_fsub_FT, (uint32_t, uint32_t))
DEF_HELPER(uint64_t, helper_fsub_DT, (uint64_t, uint64_t))
DEF_HELPER(uint32_t, helper_fsqrt_FT, (uint32_t))

27
target-sh4/op.c
View file

@ -1,27 +0,0 @@
/*
* SH4 emulation
*
* Copyright (c) 2005 Samuel Tardieu
*
* 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
*/
#include "exec.h"
void OPPROTO op_fneg_frN(void)
{
env->fregs[PARAM1] = float32_chs(env->fregs[PARAM1]);
RETURN();
}

6
target-sh4/op_helper.c
View file

@ -489,6 +489,12 @@ uint64_t helper_fmul_DT(uint64_t t0, uint64_t t1)
return *(uint64_t*)(&ret);
}
uint32_t helper_fneg_T(uint32_t t0)
{
float32 ret = float32_chs(*(float32*)&t0);
return *(uint32_t*)(&ret);
}
uint32_t helper_fsqrt_FT(uint32_t t0)
{
float32 ret = float32_sqrt(*(float32*)&t0, &env->fp_status);

8
target-sh4/translate.c
View file

@ -1593,7 +1593,13 @@ void _decode_opc(DisasContext * ctx)
}
return;
case 0xf04d: /* fneg FRn/DRn - FPSCR: Nothing */
gen_op_fneg_frN(FREG(B11_8));
{
TCGv fp = tcg_temp_new(TCG_TYPE_I32);
gen_load_fpr32(fp, FREG(B11_8));
tcg_gen_helper_1_1(helper_fneg_T, fp, fp);
gen_store_fpr32(fp, FREG(B11_8));
tcg_temp_free(fp);
}
return;
case 0xf05d: /* fabs FRn/DRn */
if (ctx->fpscr & FPSCR_PR) {