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- dnl Copyright (C) 1997-2022 Free Software Foundation, Inc.
- dnl
- dnl This program is free software; you can redistribute it and/or modify
- dnl it under the terms of the GNU General Public License as published by
- dnl the Free Software Foundation; either version 3 of the License, or
- dnl (at your option) any later version.
- dnl
- dnl This program is distributed in the hope that it will be useful,
- dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
- dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- dnl GNU General Public License for more details.
- dnl
- dnl You should have received a copy of the GNU General Public License
- dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
- dnl
- dnl --enable-sim-bitsize is for developers of the simulator
- dnl It specifies the number of BITS in the target.
- dnl arg[1] is the number of bits in a word
- dnl arg[2] is the number assigned to the most significant bit
- dnl arg[3] is the number of bits in an address
- dnl arg[4] is the number of bits in an OpenFirmware cell.
- dnl FIXME: this information should be obtained from bfd/archure
- AC_DEFUN([SIM_AC_OPTION_BITSIZE],
- wire_word_bitsize="[$1]"
- wire_word_msb="[$2]"
- wire_address_bitsize="[$3]"
- wire_cell_bitsize="[$4]"
- [AC_ARG_ENABLE(sim-bitsize,
- [AS_HELP_STRING([--enable-sim-bitsize=N], [Specify target bitsize (32 or 64)])],
- [sim_bitsize=
- case "${enableval}" in
- 64,63 | 64,63,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63";;
- 32,31 | 32,31,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31";;
- 64,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
- 32,0 | 64,0,* ) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0";;
- 32) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
- sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=31"
- else
- sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=32 -DWITH_TARGET_WORD_MSB=0"
- fi ;;
- 64) if test x"$wire_word_msb" != x -a x"$wire_word_msb" != x0; then
- sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=63"
- else
- sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=64 -DWITH_TARGET_WORD_MSB=0"
- fi ;;
- *) AC_MSG_ERROR("--enable-sim-bitsize was given $enableval. Expected 32 or 64") ;;
- esac
- # address bitsize
- tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9]]*,*//"`
- case x"${tmp}" in
- x ) ;;
- x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=32" ;;
- x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_ADDRESS_BITSIZE=64" ;;
- * ) AC_MSG_ERROR("--enable-sim-bitsize was given address size $enableval. Expected 32 or 64") ;;
- esac
- # cell bitsize
- tmp=`echo "${enableval}" | sed -e "s/^[[0-9]]*,*[[0-9*]]*,*[[0-9]]*,*//"`
- case x"${tmp}" in
- x ) ;;
- x32 | x32,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=32" ;;
- x64 | x64,* ) sim_bitsize="${sim_bitsize} -DWITH_TARGET_CELL_BITSIZE=64" ;;
- * ) AC_MSG_ERROR("--enable-sim-bitsize was given cell size $enableval. Expected 32 or 64") ;;
- esac
- if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
- echo "Setting bitsize flags = $sim_bitsize" 6>&1
- fi],
- [sim_bitsize=""
- if test x"$wire_word_bitsize" != x; then
- sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_BITSIZE=$wire_word_bitsize"
- fi
- if test x"$wire_word_msb" != x; then
- sim_bitsize="$sim_bitsize -DWITH_TARGET_WORD_MSB=$wire_word_msb"
- fi
- if test x"$wire_address_bitsize" != x; then
- sim_bitsize="$sim_bitsize -DWITH_TARGET_ADDRESS_BITSIZE=$wire_address_bitsize"
- fi
- if test x"$wire_cell_bitsize" != x; then
- sim_bitsize="$sim_bitsize -DWITH_TARGET_CELL_BITSIZE=$wire_cell_bitsize"
- fi])dnl
- ])
- AC_SUBST(sim_bitsize)
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