sim: mips: move bitsize defines to top-level configure

Since the msb value is always defined as the wordsize-1, stop
hardcoding that value directly, and use a CPP value instead.

5 files changed, 18 insertions, 97 deletions

diff --git a/sim/mips/Makefile.in b/sim/mips/Makefile.in
index d8d50eaabd7..328c1915073 100644
--- a/sim/mips/Makefile.in
+++ b/sim/mips/Makefile.in
@@ -69,6 +69,8 @@ SIM_OBJS = \
 # List of flags to always pass to $(CC).
 SIM_EXTRA_CFLAGS = $(SIM_MIPS_SUBTARGET)
 
+SIM_BITSIZE = $(SIM_MIPS_BITSIZE)
+
 SIM_EXTRA_CLEAN = clean-extra
 SIM_EXTRA_DISTCLEAN = distclean-extra
 
diff --git a/sim/mips/acinclude-top.m4 b/sim/mips/acinclude-top.m4
index 4eb6c19f812..2d53bee1357 100644
--- a/sim/mips/acinclude-top.m4
+++ b/sim/mips/acinclude-top.m4
@@ -32,3 +32,17 @@ AS_CASE([${target}],
   [mipsisa64*-*-*], [SIM_MIPS_SUBTARGET="-DTARGET_ENABLE_FR=1"])
 AC_MSG_RESULT([${SIM_MIPS_SUBTARGET:-none}])
 AC_SUBST(SIM_MIPS_SUBTARGET)
+
+dnl Select the bitsize of the target.
+AC_MSG_CHECKING([mips bitsize])
+SIM_MIPS_BITSIZE=64
+AS_CASE([${target}],
+  [mips*-sde-elf*], [SIM_MIPS_BITSIZE=64],
+  [mips*-mti-elf*], [SIM_MIPS_BITSIZE=64],
+  [mips64*-*-*],    [SIM_MIPS_BITSIZE=64],
+  [mips16*-*-*],    [SIM_MIPS_BITSIZE=64],
+  [mipsisa32*-*-*], [SIM_MIPS_BITSIZE=32],
+  [mipsisa64*-*-*], [SIM_MIPS_BITSIZE=64],
+  [mips*-*-*],      [SIM_MIPS_BITSIZE=32])
+AC_MSG_RESULT([$SIM_MIPS_BITSIZE])
+AC_SUBST(SIM_MIPS_BITSIZE)
diff --git a/sim/mips/aclocal.m4 b/sim/mips/aclocal.m4
index 247e9dbf333..6d4e93ea5c6 100644
--- a/sim/mips/aclocal.m4
+++ b/sim/mips/aclocal.m4
@@ -12,6 +12,5 @@
 # PARTICULAR PURPOSE.
 
 m4_ifndef([AC_CONFIG_MACRO_DIRS], [m4_defun([_AM_CONFIG_MACRO_DIRS], [])m4_defun([AC_CONFIG_MACRO_DIRS], [_AM_CONFIG_MACRO_DIRS($@)])])
-m4_include([../m4/sim_ac_option_bitsize.m4])
 m4_include([../m4/sim_ac_option_float.m4])
 m4_include([../m4/sim_ac_output.m4])
diff --git a/sim/mips/configure b/sim/mips/configure
index 70939f9851a..7d80b506482 100755
--- a/sim/mips/configure
+++ b/sim/mips/configure
@@ -586,6 +586,7 @@ ac_subst_vars='LTLIBOBJS
 LIBOBJS
 SIM_COMMON_BUILD_FALSE
 SIM_COMMON_BUILD_TRUE
+sim_bitsize
 sim_multi_obj
 sim_multi_src
 sim_multi_igen_configs
@@ -645,12 +646,10 @@ PACKAGE_TARNAME
 PACKAGE_NAME
 PATH_SEPARATOR
 SHELL
-sim_float
-sim_bitsize'
+sim_float'
 ac_subst_files=''
 ac_user_opts='
 enable_option_checking
-enable_sim_bitsize
 enable_sim_float
 '
       ac_precious_vars='build_alias
@@ -1268,7 +1267,6 @@ Optional Features:
   --disable-option-checking  ignore unrecognized --enable/--with options
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
-  --enable-sim-bitsize=N  Specify target bitsize (32 or 64)
   --enable-sim-float      Specify that the target processor has floating point
                           hardware
 
@@ -1844,81 +1842,6 @@ test -n "$target_alias" &&
 
 
 #
-# Select the bitsize of the target
-#
-case "${target}" in
-  mips*-sde-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips*-mti-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips64*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
-  mips16*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
-  mipsisa32*-*-*)       mips_bitsize=32 ; mips_msb=31 ;;
-  mipsisa64*-*-*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips*-*-*)            mips_bitsize=32 ; mips_msb=31 ;;
-  *)                    mips_bitsize=64 ; mips_msb=63 ;;
-esac
-wire_word_bitsize="$mips_bitsize"
-wire_word_msb="$mips_msb"
-wire_address_bitsize=""
-wire_cell_bitsize=""
-# Check whether --enable-sim-bitsize was given.
-if test "${enable_sim_bitsize+set}" = set; then :
-  enableval=$enable_sim_bitsize; sim_bitsize=
-case "${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 ;;
-  *)  as_fn_error $? "\"--enable-sim-bitsize was given $enableval.  Expected 32 or 64\"" "$LINENO" 5 ;;
-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" ;;
-  * ) as_fn_error $? "\"--enable-sim-bitsize was given address size $enableval.  Expected 32 or 64\"" "$LINENO" 5 ;;
-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" ;;
-  * ) as_fn_error $? "\"--enable-sim-bitsize was given cell size $enableval.  Expected 32 or 64\"" "$LINENO" 5 ;;
-esac
-if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
-  echo "Setting bitsize flags = $sim_bitsize" 6>&1
-fi
-else
-  sim_bitsize=""
-if test x"$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
-fi
-
-
-
-
-#
 # Select the floating hardware support of the target
 #
 mips_fpu_bitsize=
diff --git a/sim/mips/configure.ac b/sim/mips/configure.ac
index 308b3aefbeb..d820b816fe0 100644
--- a/sim/mips/configure.ac
+++ b/sim/mips/configure.ac
@@ -7,23 +7,6 @@ dnl and until we clean that up, we need to expand --target for use below.
 AC_CANONICAL_SYSTEM
 
 #
-# Select the bitsize of the target
-#
-case "${target}" in
-  mips*-sde-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips*-mti-elf*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips64*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
-  mips16*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
-  mipsisa32*-*-*)       mips_bitsize=32 ; mips_msb=31 ;;
-  mipsisa64*-*-*)       mips_bitsize=64 ; mips_msb=63 ;;
-  mips*-*-*)            mips_bitsize=32 ; mips_msb=31 ;;
-  *)                    mips_bitsize=64 ; mips_msb=63 ;;
-esac
-SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb)
-
-
-
-#
 # Select the floating hardware support of the target
 #
 mips_fpu_bitsize=