diff options
Diffstat (limited to 'sim/m4/sim_ac_option_alignment.m4')
| -rw-r--r-- | sim/m4/sim_ac_option_alignment.m4 | 53 |
1 files changed, 10 insertions, 43 deletions
diff --git a/sim/m4/sim_ac_option_alignment.m4 b/sim/m4/sim_ac_option_alignment.m4 index dcfa479..409fbfc 100644 --- a/sim/m4/sim_ac_option_alignment.m4 +++ b/sim/m4/sim_ac_option_alignment.m4 @@ -15,52 +15,19 @@ dnl along with this program. If not, see <http://www.gnu.org/licenses/>. dnl dnl Specify the alignment restrictions of the target architecture. dnl Without this option all possible alignment restrictions are accommodated. -dnl arg[1] is hardwired target alignment -dnl arg[2] is default target alignment AC_DEFUN([SIM_AC_OPTION_ALIGNMENT], -wire_alignment="[$1]" -default_alignment="[$2]" -[ +[dnl +AC_MSG_CHECKING([whether to force sim alignment]) +sim_alignment= AC_ARG_ENABLE(sim-alignment, [AS_HELP_STRING([--enable-sim-alignment=align], [Specify strict, nonstrict or forced alignment of memory accesses])], [case "${enableval}" in - strict | STRICT) sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";; - nonstrict | NONSTRICT) sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";; - forced | FORCED) sim_alignment="-DWITH_ALIGNMENT=FORCED_ALIGNMENT";; - yes) if test x"$wire_alignment" != x; then - sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}" - else - if test x"$default_alignment" != x; then - sim_alignment="-DWITH_ALIGNMENT=${default_alignment}" - else - echo "No hard-wired alignment for target $target" 1>&6 - sim_alignment="-DWITH_ALIGNMENT=0" - fi - fi;; - no) if test x"$default_alignment" != x; then - sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}" - else - if test x"$wire_alignment" != x; then - sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${wire_alignment}" - else - echo "No default alignment for target $target" 1>&6 - sim_alignment="-DWITH_DEFAULT_ALIGNMENT=0" - fi - fi;; - *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";; -esac -if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then - echo "Setting alignment flags = $sim_alignment" 6>&1 -fi], -[if test x"$default_alignment" != x; then - sim_alignment="-DWITH_DEFAULT_ALIGNMENT=${default_alignment}" -else - if test x"$wire_alignment" != x; then - sim_alignment="-DWITH_ALIGNMENT=${wire_alignment}" - else - sim_alignment= - fi -fi])dnl + yes | strict | STRICT) sim_alignment="STRICT_ALIGNMENT";; + no | nonstrict | NONSTRICT) sim_alignment="NONSTRICT_ALIGNMENT";; + forced | FORCED) sim_alignment="FORCED_ALIGNMENT";; + *) AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment");; +esac])dnl +AC_DEFINE_UNQUOTED([WITH_ALIGNMENT], [${sim_alignment:-0}], [Sim alignment settings]) +AC_MSG_RESULT([${sim_alignment:-no}]) ])dnl -AC_SUBST(sim_alignment) |