1 dnl Copyright (C) 1997-2024 Free Software Foundation, Inc.
3 dnl This program is free software; you can redistribute it and/or modify
4 dnl it under the terms of the GNU General Public License as published by
5 dnl the Free Software Foundation; either version 3 of the License, or
6 dnl (at your option) any later version.
8 dnl This program is distributed in the hope that it will be useful,
9 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
10 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 dnl GNU General Public License for more details.
13 dnl You should have received a copy of the GNU General Public License
14 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
16 dnl --enable-sim-bitsize is for developers of the simulator
17 dnl It specifies the number of BITS in the target.
18 dnl arg[1] is the number of bits in a word
19 dnl arg[2] is the number assigned to the most significant bit
20 dnl arg[3] is the number of bits in an address
21 dnl arg[4] is the number of bits in an OpenFirmware cell.
22 dnl FIXME: this information should be obtained from bfd/archure
23 AC_DEFUN([SIM_AC_OPTION_BITSIZE],
24 wire_word_bitsize="[$1]"
26 wire_address_bitsize="[$3]"
27 wire_cell_bitsize="[$4]"
28 [AC_ARG_ENABLE(sim-bitsize,
29 [AS_HELP_STRING([--enable-sim-bitsize=N], [Specify target bitsize (32 or 64)])],
31 case "${enableval}" in
32 64,63 | 64,63,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63";;
33 32,31 | 32,31,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31";;
34 64,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
35 32,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
36 32) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
37 sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31"
39 sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0"
41 64) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
42 sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63"
44 sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=0"
46 *) AC_MSG_ERROR("--enable-sim-bitsize was given $enableval. Expected 32 or 64") ;;
49 tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9]]*,*//"`
52 x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=32" ;;
53 x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=64" ;;
54 * ) AC_MSG_ERROR("--enable-sim-bitsize was given address size $enableval. Expected 32 or 64") ;;
57 tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9*]]*,*[[0-9]]*,*//"`
60 x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=32" ;;
61 x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=64" ;;
62 * ) AC_MSG_ERROR("--enable-sim-bitsize was given cell size $enableval. Expected 32 or 64") ;;
64 if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
65 echo "Setting bitsize flags = $sim_bitsize" 6>&1
68 if test x"$wire_word_bitsize" != x; then
69 sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_BITSIZE=$wire_word_bitsize"
71 if test x"$wire_word_msb" != x; then
72 sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_MSB=$wire_word_msb"
74 if test x"$wire_address_bitsize" != x; then
75 sim_bitsize="$sim_bitsize -DWITH_TARGET_ADDRESS_BITSIZE=$wire_address_bitsize"
77 if test x"$wire_cell_bitsize" != x; then
78 sim_bitsize="$sim_bitsize -DWITH_TARGET_CELL_BITSIZE=$wire_cell_bitsize"