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dnl Process this file with autoconf to produce a configure script.
sinclude(../common/aclocal.m4)
AC_PREREQ(2.5)dnl
AC_INIT(Makefile.in)

SIM_AC_COMMON

dnl Options available in this module
SIM_AC_OPTION_INLINE()
SIM_AC_OPTION_ALIGNMENT(NONSTRICT_ALIGNMENT)
SIM_AC_OPTION_HOSTENDIAN
SIM_AC_OPTION_WARNINGS

# DEPRECATED
#
# Instead of defining a `subtarget' macro, code should be checking
# the value of {STATE,CPU}_ARCHITECTURE to identify the architecture
# in question.
#
case "${target}" in
  mips*tx39*)           SIM_SUBTARGET="-DSUBTARGET_R3900=1";;
  mipsisa32*-*-*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  mipsisa64*-*-*)       SIM_SUBTARGET="-DTARGET_ENABLE_FR=1";;
  *)                    SIM_SUBTARGET="";;
esac
AC_SUBST(SIM_SUBTARGET)



#
# Select the byte order of the target
#
mips_endian=
default_endian=
case "${target}" in
  mips64el*-*-*)        mips_endian=LITTLE_ENDIAN ;;
  mips64vr*el-*-*)      default_endian=LITTLE_ENDIAN ;;
  mips64*-*-*)          default_endian=BIG_ENDIAN ;;
  mips16*-*-*)          default_endian=BIG_ENDIAN ;;
  mipsisa32*-*-*)       default_endian=BIG_ENDIAN ;;
  mipsisa64*-*-*)       default_endian=BIG_ENDIAN ;;
  mips*-*-*)            default_endian=BIG_ENDIAN ;;
  *)                    default_endian=BIG_ENDIAN ;;
esac
SIM_AC_OPTION_ENDIAN($mips_endian,$default_endian)



#
# Select the bitsize of the target
#
mips_addr_bitsize=
case "${target}" in
  mips64*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
  mips16*-*-*)          mips_bitsize=64 ; mips_msb=63 ;;
  mipsisa32*-*-*)       mips_bitsize=32 ; mips_msb=31 ;;
  mipsisa64*-*-*)       mips_bitsize=64 ; mips_msb=63 ;;
  mips*-*-*)            mips_bitsize=32 ; mips_msb=31 ;;
  *)                    mips_bitsize=64 ; mips_msb=63 ;;
esac
SIM_AC_OPTION_BITSIZE($mips_bitsize,$mips_msb,$mips_addr_bitsize)



#
# Select the floating hardware support of the target
#
mips_fpu=HARDWARE_FLOATING_POINT
mips_fpu_bitsize=
case "${target}" in
  mips*tx39*)           mips_fpu=HARD_FLOATING_POINT
                        mips_fpu_bitsize=32
                        ;;
  mips64*-*-*)          mips_fpu=HARD_FLOATING_POINT ;;
  mips16*-*-*)          mips_fpu=HARD_FLOATING_POINT ;;
  mipsisa32*-*-*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  mipsisa64*-*-*)       mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=64 ;;
  mips*-*-*)            mips_fpu=HARD_FLOATING_POINT ; mips_fpu_bitsize=32 ;;
  *)                    mips_fpu=HARD_FLOATING_POINT ;;
esac
SIM_AC_OPTION_FLOAT($mips_fpu,$mips_fpu_bitsize)



#
# Select the level of SMP support
#
case "${target}" in
  *)                    mips_smp=0 ;;
esac
SIM_AC_OPTION_SMP($mips_smp)



#
# Select the IGEN architecture
#
sim_gen=IGEN
sim_igen_machine="-M mipsIV"
sim_m16_machine="-M mips16"
sim_igen_filter="32,64,f"
sim_m16_filter="16"
case "${target}" in
  mips*tx39*)           sim_gen=IGEN
                        sim_igen_filter="32,f"
                        sim_igen_machine="-M r3900"
                        ;;
  mips64vr43*-*-*)      sim_gen=IGEN
                        sim_igen_machine="-M mipsIV"
                        ;;
  mips64vr5*-*-*)       sim_gen=IGEN
                        sim_igen_machine="-M vr5000"
                        ;;
  mips64vr41*)          sim_gen=M16
                        sim_igen_machine="-M vr4100"
                        sim_m16_machine="-M vr4100"
                        sim_igen_filter="32,64,f"
                        sim_m16_filter="16"
                        ;;
  mips64*-*-*)          sim_igen_filter="32,64,f"
                        sim_gen=IGEN
                        ;;
  mips16*-*-*)          sim_gen=M16
                        sim_igen_filter="32,64,f"
                        sim_m16_filter="16"
                        ;;
  mipsisa32*-*-*)       sim_gen=IGEN
                        sim_igen_machine="-M mips32"
                        sim_igen_filter="32,f"
                        ;;
  mipsisa64sb1*-*-*)    sim_gen=IGEN
                        sim_igen_machine="-M mips64,sb1"
                        sim_igen_filter="32,64,f"
                        ;;
  mipsisa64*-*-*)       sim_gen=IGEN
                        sim_igen_machine="-M mips64,mips3d"
                        sim_igen_filter="32,64,f"
                        ;;
  mips*lsi*)            sim_gen=M16
                        sim_igen_machine="-M mipsIII,mips16"
                        sim_m16_machine="-M mips16,mipsIII"
                        sim_igen_filter="32,f"
                        sim_m16_filter="16"
                        ;;
  mips*-*-*)            sim_gen=IGEN
                        sim_igen_filter="32,f"
                        ;;
esac
sim_igen_flags="-F ${sim_igen_filter} ${sim_igen_machine} ${sim_igen_smp}"
sim_m16_flags=" -F ${sim_m16_filter}  ${sim_m16_machine}  ${sim_igen_smp}"
AC_SUBST(sim_igen_flags)
AC_SUBST(sim_m16_flags)
AC_SUBST(sim_gen)


#
# Add simulated hardware devices
#
hw_enabled=no
case "${target}" in
  mips*tx39*)
        hw_enabled=yes
        hw_extra_devices="tx3904cpu tx3904irc tx3904tmr tx3904sio" 
        mips_extra_objs="dv-sockser.o"
        SIM_SUBTARGET="$SIM_SUBTARGET -DTARGET_TX3904=1"
        ;;
  *)
        mips_extra_objs="" 
        ;;
esac
SIM_AC_OPTION_HARDWARE($hw_enabled,$hw_devices,$hw_extra_devices)
AC_SUBST(mips_extra_objs)


# Choose simulator engine
case "${target}" in
  *)    mips_igen_engine="engine.o"
        ;;
esac
AC_SUBST(mips_igen_engine)


AC_PATH_X
mips_extra_libs=""
AC_SUBST(mips_extra_libs)

AC_CHECK_HEADERS(string.h strings.h stdlib.h stdlib.h)
AC_CHECK_LIB(m, fabs)
AC_CHECK_FUNCS(aint anint sqrt)

SIM_AC_OUTPUT