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# bld - make 386 kernel
#
# requires a running 386 kernel
#

# make sure the environment is set for kernel objects
if [ $K386OBJ ]
then
	:
else
	echo "Error - K386OBJ environment variable not set!"
	exit 1
fi

# make sure the environment is set for kernel libraries
if [ $K386LIB ]
then
	:
else
	echo "Error - K386LIB environment variable not set!"
	exit 1
fi

#CFLAGS=${CFLAGS-"-DTRACER -VPSTR -D__COHERENT__"}
CFLAGS=${CFLAGS-"-DTRACER -VPSTR"}
CC=${CC-"exec /bin/cc"}

OPTS="${K386OBJ}/tty.o ${K386OBJ}/pipe.o ${K386OBJ}/putchar.o"
OPTS=${OPTS}" ${K386OBJ}/rm.o ${K386OBJ}/fdc.o ${K386OBJ}/fl386.o"
OPTS=${OPTS}" ${K386OBJ}/ipc.o"

DEFAULT_KB=y
DEFAULT_ASYNC=y
DEFAULT_MM=y
DEFAULT_HD=y
USE_ASY=n
USE_LP=y
USE_PTY=y
USE_ASYNC=y
MAKE_LIBS=y
PATCH="flCon=fl386con"
KEROBJ=${K386LIB}/ker386.o
TARGET=/at386.tst
ASYNC=/etc/default/async

# Each drvl entry is 0x14, or 20 decimal, bytes.

while [ $# -gt 0 ]
do
	ARG=$1
	case $ARG in
	aha)
	OPTS=${OPTS}" ${K386OBJ}/aha_dsl.o ${K386OBJ}/aha.o ${K386OBJ}/scsi.o"
		PATCH="${PATCH} drvl+260=sdcon"
		;;
	al)
		OPTS=${OPTS}" ${K386OBJ}/alx.o ${K386OBJ}/com1.o ${K386OBJ}/com2.o"
		PATCH="${PATCH} drvl+100=a0con drvl+120=a1con"
		DEFAULT_ASYNC=n
		;;
	asy)
		OPTS=${OPTS}" ${K386OBJ}/asy.o"
		PATCH="${PATCH} drvl+100=asycon"
		USE_ASY=y
		DEFAULT_ASYNC=n
		;;
	at)
		OPTS=${OPTS}" ${K386OBJ}/$ARG.o"
		PATCH="${PATCH} drvl+220=atcon"
		DEFAULT_HD=n
		;;
	emu)
		OPTS=${OPTS}" em87.o "
		;;
	hs)
		OPTS=${OPTS}" ${K386OBJ}/hs.o"
		PATCH="${PATCH} drvl+140=hscon"
		DEFAULT_ASYNC=n
		;;
	fha)
OPTS=${OPTS}" ${K386OBJ}/stubs.o ${K386OBJ}/at.o ${K386OBJ}/ss.o"
OPTS=${OPTS}" ${K386OBJ}/aha_dsl.o ${K386OBJ}/aha.o ${K386OBJ}/scsi.o"
PATCH="${PATCH} rootdev=makedev(4,14) pipedev=makedev(8,131) ronflag=1"
PATCH="${PATCH} NBUF=64 NHASH=61 NCLIST=16 ALLSIZE=32768"
		DEFAULT_HD=n
		USE_PTY=n
		USE_LP=n
		USE_ASYNC=n
		DEFAULT_ASYNC=n
		;;
	fva)
OPTS=${OPTS}" stubs.o ${K386OBJ}/at.o ${K386OBJ}/ss.o"
OPTS=${OPTS}" ${K386OBJ}/aha_dsl.o ${K386OBJ}/aha.o ${K386OBJ}/scsi.o"
PATCH="${PATCH} rootdev=makedev(4,15) pipedev=makedev(8,131) ronflag=1"
PATCH="${PATCH} NBUF=64 NHASH=61 NCLIST=16 ALLSIZE=32768"
		DEFAULT_HD=n
		USE_PTY=n
		USE_LP=n
		USE_ASYNC=n
		DEFAULT_ASYNC=n
		;;
	kb|kb_d|kb_f|nkb)
		OPTS=${OPTS}" ${K386OBJ}/$ARG.o"
		DEFAULT_KB=n
		;;
	nl)
		MAKE_LIBS=n
		;;
	sc)
		CFLAGS=${CFLAGS}" -DSERIAL_CONSOLE"
		;;
	ss)
		OPTS=${OPTS}" ${K386OBJ}/$ARG.o"
		PATCH="${PATCH} drvl+260=sscon"
		;;
	ticom)	# piggy's Tiwanese 4 port card
		PATCH="${PATCH} AL_ADDR+8=0x2b0 AL_ADDR+12=0x2b8"
		;;
	vt)
		DEFAULT_KB=n
		DEFAULT_MM=n
OPTS=${OPTS}" ${K386OBJ}/vtmm.o ${K386OBJ}/vtmmas.o ${K386OBJ}/vtnkb.o"
		;;
	vtkb)
		DEFAULT_KB=n
		DEFAULT_MM=n
OPTS=${OPTS}" ${K386OBJ}/vtmm.o ${K386OBJ}/vtmmas.o ${K386OBJ}/vtkb.o"
		;;
	vtkb_d)
		DEFAULT_KB=n
		DEFAULT_MM=n
OPTS=${OPTS}" ${K386OBJ}/vtmm.o ${K386OBJ}/vtmmas.o ${K386OBJ}/vtkb_d.o"
		;;
	vtkb_f)
		DEFAULT_KB=n
		DEFAULT_MM=n
OPTS=${OPTS}" ${K386OBJ}/vtmm.o ${K386OBJ}/vtmmas.o ${K386OBJ}/vtkb_f.o"
		;;
	xl)
		PATCH="${PATCH} ftCon=ftxlcon PHYS_MEM=589824"
OPTS=${OPTS}" ${K386OBJ}/xlft.o ${K386OBJ}/xla.o ${K386OBJ}/xl_dec.o"
		;;
	-a)
		shift
		ASYNC=$1
		;;
	-c)
		shift
		CFLAGS="$CFLAGS $1"
		;;
	-o)
		shift
		TARGET=$1
		;;
	*=*)
		PATCH="${PATCH} ${ARG}"
		;;
	*)
echo "Usage:  $0"
echo "  {aha|al|asy|at|fha|fva|hs|inst|kb|kb_d|kb_f|nkb"
echo "    |sc|ss|ticom|vt|vtkb|vtkb_d|vtkb_f|xl}"
echo "  {-o target} {-a async_file} {-c cflags} {addr=value}..."
		exit 1
		;;
	esac
	shift
done

if [ ${USE_LP} = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/lp.o"
	PATCH="${PATCH} drvl+60=lpcon"
fi
if [ ${USE_PTY} = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/pty.o"
	PATCH="${PATCH} drvl+180=ptycon"
fi
if [ ${USE_ASYNC} = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/albaud.o"
fi
if [ ${DEFAULT_KB} = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/kb.o"
fi
if [ $DEFAULT_ASYNC = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/asy.o"
	PATCH="${PATCH} drvl+100=asycon"
	USE_ASY=y
fi
if [ $DEFAULT_HD = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/at.o"
	PATCH="${PATCH} drvl+220=atcon"
fi
if [ ${DEFAULT_MM} = "y" ]
then
	OPTS=${OPTS}" ${K386OBJ}/mmas.o ${K386OBJ}/mm.o"
fi
make "CFLAGS=$CFLAGS" "CC=$CC" ${KEROBJ} 	|| exit 1
if [ ${MAKE_LIBS} = "y" ]
then
	make "CFLAGS=$CFLAGS" "CC=$CC" libs 	|| exit 1
fi
set -x

#if [ -f $TARGET ]
#then
#	mv $TARGET $TARGET.old || exit 1
#fi

ld -K -o $TARGET -e stext ${KEROBJ} ${OPTS} || exit 1
if [ -n "${PATCH}" ]
then
	/conf/patch $TARGET $PATCH || exit 1
fi
if [ ${USE_ASY} = "y" ]
then
	su root /conf/asypatch -v $TARGET < $ASYNC
fi

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