# use normal make for this Makefile
#
# Makefile for building user programs to run on top of Nachos
#
# Several things to be aware of:
#
#    Nachos assumes that the location of the program startup routine (the
# 	location the kernel jumps to when the program initially starts up)
#       is at location 0.  This means: start.o must be the first .o passed 
# 	to ld, in order for the routine "Start" to be loaded at location 0
#

# if you are cross-compiling, you need to point to the right executables
# and change the flags to ld and the build procedure for as
# Eric: changed to use the cross compile install in UCS
GCCDIR = /usr/local/gcc-2.8.1/decstation-ultrix/bin/
LDFLAGS = -T script -N
ASFLAGS = 
CPPFLAGS = $(INCDIR)


# if you aren't cross-compiling:
# GCCDIR =
# LDFLAGS = -N -T 0
# ASFLAGS =
# CPPFLAGS = -P $(INCDIR)


CC = $(GCCDIR)gcc
AS = $(GCCDIR)as
LD = $(GCCDIR)ld

CPP = /usr/ccs/lib/cpp
INCDIR =-I../userprog -I../threads -I../machine
CFLAGS = -G 0 -c $(INCDIR)

all: halt shell matmult sort new_shell list mkdir pwd cd cat rmdir copy

start.o: start.s ../userprog/syscall.h
	$(CPP) $(CPPFLAGS) start.s > strt.s
	$(AS) $(ASFLAGS) -o start.o strt.s
	rm strt.s

halt.o: halt.c
	$(CC) $(CFLAGS) -c halt.c
halt: halt.o start.o
	$(LD) $(LDFLAGS) start.o halt.o -o halt.coff
	../bin/coff2noff halt.coff halt

new_shell.o: new_shell.c
	$(CC) $(CFLAGS) -c new_shell.c
new_shell: new_shell.o new_shell.o
	$(LD) $(LDFLAGS) start.o new_shell.o -o new_shell.coff
	../bin/coff2noff new_shell.coff new_shell

shell.o: shell.c
	$(CC) $(CFLAGS) -c shell.c
shell: shell.o start.o
	$(LD) $(LDFLAGS) start.o shell.o -o shell.coff
	../bin/coff2noff shell.coff shell

sort.o: sort.c
	$(CC) $(CFLAGS) -c sort.c
sort: sort.o start.o
	$(LD) $(LDFLAGS) start.o sort.o -o sort.coff
	../bin/coff2noff sort.coff sort

matmult.o: matmult.c
	$(CC) $(CFLAGS) -c matmult.c
matmult: matmult.o start.o
	$(LD) $(LDFLAGS) start.o matmult.o -o matmult.coff
	../bin/coff2noff matmult.coff matmult

list.o: list.c
	$(CC) $(CFLAGS) -c list.c
list: list.o start.o
	$(LD) $(LDFLAGS) start.o list.o -o list.coff
	../bin/coff2noff list.coff list

mkdir.o: mkdir.c
	$(CC) $(CFLAGS) -c mkdir.c
mkdir: mkdir.o start.o
	$(LD) $(LDFLAGS) start.o mkdir.o -o mkdir.coff
	../bin/coff2noff mkdir.coff mkdir

pwd.o: pwd.c
	$(CC) $(CFLAGS) -c pwd.c
pwd: pwd.o start.o
	$(LD) $(LDFLAGS) start.o pwd.o -o pwd.coff
	../bin/coff2noff pwd.coff pwd

cd.o: cd.c
	$(CC) $(CFLAGS) -c cd.c
cd: cd.o start.o
	$(LD) $(LDFLAGS) start.o cd.o -o cd.coff
	../bin/coff2noff cd.coff cd

cat.o: cat.c
	$(CC) $(CFLAGS) -c cat.c
cat: cat.o start.o
	$(LD) $(LDFLAGS) start.o cat.o -o cat.coff
	../bin/coff2noff cat.coff cat

rmdir.o: rmdir.c
	$(CC) $(CFLAGS) -c rmdir.c
rmdir: rmdir.o start.o
	$(LD) $(LDFLAGS) start.o rmdir.o -o rmdir.coff
	../bin/coff2noff rmdir.coff rmdir

copy.o: copy.c
	$(CC) $(CFLAGS) -c copy.c
copy: copy.o start.o
	$(LD) $(LDFLAGS) start.o copy.o -o copy.coff
	../bin/coff2noff copy.coff copy