include config.mak

TARGET_PATH=$(SRC_PATH)/target-$(TARGET_ARCH)
VPATH=$(SRC_PATH):$(TARGET_PATH)
CFLAGS=-Wall -O2 -g
LDFLAGS=-g
LIBS=
DEFINES=-I. -I$(TARGET_PATH) -I$(SRC_PATH)
HELPER_CFLAGS=$(CFLAGS)
DYNGEN=../dyngen
# user emulator name
QEMU_USER=qemu-$(TARGET_ARCH)
# system emulator name
ifdef CONFIG_SOFTMMU
QEMU_SYSTEM=qemu
else
QEMU_SYSTEM=qemu-fast
endif

ifdef CONFIG_USER_ONLY
PROGS=$(QEMU_USER)
else
ifeq ($(TARGET_ARCH), i386)

ifeq ($(ARCH), i386)
PROGS+=$(QEMU_SYSTEM)
ifndef CONFIG_SOFTMMU
CONFIG_STATIC=y
endif
endif

ifeq ($(ARCH), ppc)
ifdef CONFIG_SOFTMMU
PROGS+=$(QEMU_SYSTEM)
endif
endif

endif

ifeq ($(TARGET_ARCH), ppc)

ifeq ($(ARCH), ppc)
PROGS+=$(QEMU_SYSTEM)
endif

ifeq ($(ARCH), i386)
ifdef CONFIG_SOFTMMU
PROGS+=$(QEMU_SYSTEM)
endif
endif # ARCH = i386

endif # TARGET_ARCH = ppc
endif # !CONFIG_USER_ONLY

ifdef CONFIG_STATIC
LDFLAGS+=-static
endif

ifeq ($(ARCH),i386)
CFLAGS+=-fomit-frame-pointer
OP_CFLAGS=$(CFLAGS) -mpreferred-stack-boundary=2
ifeq ($(HAVE_GCC3_OPTIONS),yes)
OP_CFLAGS+= -falign-functions=0
else
OP_CFLAGS+= -malign-functions=0
endif

ifdef TARGET_GPROF
USE_I386_LD=y
endif
ifdef CONFIG_STATIC
USE_I386_LD=y
endif
ifdef USE_I386_LD
LDFLAGS+=-Wl,-T,$(SRC_PATH)/i386.ld
else
# WARNING: this LDFLAGS is _very_ tricky : qemu is an ELF shared object
# that the kernel ELF loader considers as an executable. I think this
# is the simplest way to make it self virtualizable!
LDFLAGS+=-Wl,-shared
endif
endif

ifeq ($(ARCH),ppc)
OP_CFLAGS=$(CFLAGS)
LDFLAGS+=-Wl,-T,$(SRC_PATH)/ppc.ld
endif

ifeq ($(ARCH),s390)
OP_CFLAGS=$(CFLAGS)
LDFLAGS+=-Wl,-T,$(SRC_PATH)/s390.ld
endif

ifeq ($(ARCH),sparc)
CFLAGS+=-m32 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
LDFLAGS+=-m32
OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
HELPER_CFLAGS=$(CFLAGS) -ffixed-i0 -mflat
# -static is used to avoid g1/g3 usage by the dynamic linker
LDFLAGS+=-Wl,-T,$(SRC_PATH)/sparc.ld -static
endif

ifeq ($(ARCH),sparc64)
CFLAGS+=-m64 -ffixed-g1 -ffixed-g2 -ffixed-g3 -ffixed-g6
LDFLAGS+=-m64
OP_CFLAGS=$(CFLAGS) -fno-delayed-branch -ffixed-i0
endif

ifeq ($(ARCH),alpha)
# -msmall-data is not used because we want two-instruction relocations
# for the constant constructions
OP_CFLAGS=-Wall -O2 -g
# Ensure there's only a single GP
CFLAGS += -msmall-data
LDFLAGS+=-Wl,-T,$(SRC_PATH)/alpha.ld
endif

ifeq ($(ARCH),ia64)
OP_CFLAGS=$(CFLAGS)
endif

ifeq ($(ARCH),arm)
OP_CFLAGS=$(CFLAGS) -mno-sched-prolog
LDFLAGS+=-Wl,-T,$(SRC_PATH)/arm.ld
endif

ifeq ($(ARCH),m68k)
OP_CFLAGS=$(CFLAGS) -fomit-frame-pointer
LDFLAGS+=-Wl,-T,m68k.ld
endif

ifeq ($(HAVE_GCC3_OPTIONS),yes)
# very important to generate a return at the end of every operation
OP_CFLAGS+=-fno-reorder-blocks -fno-optimize-sibling-calls
endif

#########################################################

DEFINES+=-D_GNU_SOURCE
LIBS+=-lm

# profiling code
ifdef TARGET_GPROF
LDFLAGS+=-p
main.o: CFLAGS+=-p
endif

OBJS= elfload.o main.o syscall.o mmap.o signal.o path.o
ifeq ($(TARGET_ARCH), i386)
OBJS+= vm86.o
endif
SRCS:= $(OBJS:.o=.c)
OBJS+= libqemu.a

# cpu emulator library
LIBOBJS=thunk.o exec.o translate-all.o cpu-exec.o gdbstub.o \
        translate.o op.o

ifeq ($(TARGET_ARCH), i386)
LIBOBJS+=helper.o helper2.o
endif

ifeq ($(TARGET_ARCH), ppc)
LIBOBJS+= op_helper.o helper.o
endif

# NOTE: the disassembler code is only needed for debugging
LIBOBJS+=disas.o 
ifeq ($(findstring i386, $(TARGET_ARCH) $(ARCH)),i386)
LIBOBJS+=i386-dis.o
endif
ifeq ($(findstring alpha, $(TARGET_ARCH) $(ARCH)),alpha)
LIBOBJS+=alpha-dis.o
endif
ifeq ($(findstring ppc, $(TARGET_ARCH) $(ARCH)),ppc)
LIBOBJS+=ppc-dis.o
endif
ifeq ($(findstring sparc, $(TARGET_ARCH) $(ARCH)),sparc)
LIBOBJS+=sparc-dis.o
endif
ifeq ($(findstring arm, $(TARGET_ARCH) $(ARCH)),arm)
LIBOBJS+=arm-dis.o
endif

ifeq ($(ARCH),ia64)
OBJS += ia64-syscall.o
endif

all: $(PROGS)

$(QEMU_USER): $(OBJS)
	$(CC) $(LDFLAGS) -o $@ $^  $(LIBS)
ifeq ($(ARCH),alpha)
# Mark as 32 bit binary, i. e. it will be mapped into the low 31 bit of
# the address space (31 bit so sign extending doesn't matter)
	echo -ne '\001\000\000\000' | dd of=qemu bs=1 seek=48 count=4 conv=notrunc
endif

# must use static linking to avoid leaving stuff in virtual address space
VL_OBJS=vl.o block.o ide.o vga.o sb16.o dma.o oss.o fdc.o
ifeq ($(TARGET_ARCH), ppc)
VL_OBJS+= hw.o
endif
ifdef CONFIG_SDL
VL_OBJS+=sdl.o
ifdef CONFIG_STATIC
SDL_LIBS:=$(SDL_STATIC_LIBS)
endif
endif

VL_LDFLAGS=
# specific flags are needed for non soft mmu emulator
ifdef CONFIG_STATIC
VL_LDFLAGS+=-static
endif
ifndef CONFIG_SOFTMMU
VL_LDFLAGS+=-Wl,-T,$(SRC_PATH)/i386-vl.ld 
endif

$(QEMU_SYSTEM): $(VL_OBJS) libqemu.a
	$(CC) $(VL_LDFLAGS) -o $@ $^ $(LIBS) $(SDL_LIBS)

sdl.o: sdl.c
	$(CC) $(CFLAGS) $(DEFINES) $(SDL_CFLAGS) -c -o $@ $<

depend: $(SRCS)
	$(CC) -MM $(CFLAGS) $(DEFINES) $^ 1>.depend

# libqemu 

libqemu.a: $(LIBOBJS)
	rm -f $@
	$(AR) rcs $@ $(LIBOBJS)

translate.o: translate.c gen-op.h opc.h cpu.h

translate-all.o: translate-all.c op.h opc.h cpu.h

op.h: op.o $(DYNGEN)
	$(DYNGEN) -o $@ $<

opc.h: op.o $(DYNGEN)
	$(DYNGEN) -c -o $@ $<

gen-op.h: op.o $(DYNGEN)
	$(DYNGEN) -g -o $@ $<

op.o: op.c
	$(CC) $(OP_CFLAGS) $(DEFINES) -c -o $@ $<

helper.o: helper.c
	$(CC) $(HELPER_CFLAGS) $(DEFINES) -c -o $@ $<

ifeq ($(TARGET_ARCH), i386)
op.o: op.c opreg_template.h ops_template.h ops_template_mem.h ops_mem.h
endif

ifeq ($(TARGET_ARCH), arm)
op.o: op.c op_template.h
endif

ifeq ($(TARGET_ARCH), sparc)
op.o: op.c op_template.h
endif

ifeq ($(TARGET_ARCH), ppc)
op.o: op.c op_template.h op_mem.h
op_helper.o: op_helper_mem.h
endif

%.o: %.c
	$(CC) $(CFLAGS) $(DEFINES) -c -o $@ $<

clean:
	rm -f *.o  *.a *~ $(PROGS) gen-op.h opc.h op.h

install: all 
	install -m 755 -s $(PROGS) $(prefix)/bin

ifneq ($(wildcard .depend),)
include .depend
endif