# $NetBSD: subr_Darwin,v 1.1 2010/12/05 11:19:39 abs Exp $

AWK=awk
SED=sed

display_hw_details()
    {
    cat <<END
OS		: '$(uname)'
OS version	: '$(uname -r)'
hw.model	: '$hw_model'
hw.machine	: '$hw_machine'
hw.machine_arch : '$hw_machine_arch'
CPU		: '$cpu'
END
    echo "$cpu_details"
    }

extract_hw_details()
    {
    hw_model=$(sysctl -n hw.model | $SED 's/^  *//')
    hw_machine=$(sysctl -n hw.machine)
    hw_machine_arch=$(uname -p)
    cpu_details=$(hostinfo| $AWK '/^Processor type:/{print $3}')

    # We're almost certainly crosscompiling
    if [ -n "$MACHINE" -a "$hw_machine" != "$MACHINE" ]; then
	echo
	exit
    fi
    }

determine_arch()
    {
    ARCH=
    case $hw_machine_arch in

    powerpc) case $cpu_details in				   # Examples
	ppc7450)		ARCH='-mcpu=7450'		;; #
	ppc750)			ARCH='-mcpu=750'        	;; # Beige G3
	ppc970)			ARCH='-mcpu=970'        	;; #
    esac ;;

    esac
    echo $ARCH
    }

determine_features()
    {
    FEATURES=

    case $hw_machine_arch in
	i386 | x86_64)
	    if [ -n "$cpu_feature_SSE3" ] ; then
		FEATURES="-mfpmath=sse -msse3"
	    elif [ -n "$cpu_feature_SSE2" ] ; then
		FEATURES="-mfpmath=sse -msse2"
	    elif [ -n "$cpu_feature_SSE" ] ; then
		FEATURES="-mfpmath=sse -msse"
	    fi
	    ;;
	m68k)
	    case "$(egrep '^fpu0 ' /var/run/dmesg.boot)" in
		*\(emulator\)*)		FEATURES="-msoft-float" ;;
		*\(no\ math\ support\)*) FEATURES="-msoft-float" ;;
	    esac
	    ;;
    esac
    echo $FEATURES
    }