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#
# Makefile
#
# Leendert van Doorn, leendert@watson.ibm.com
# Copyright (c) 2005, International Business Machines Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place - Suite 330, Boston, MA 02111-1307 USA.
#
# External CFLAGS can do more harm than good.
CFLAGS :=
override XEN_TARGET_ARCH = x86_32
XEN_ROOT = ../../..
include $(XEN_ROOT)/Config.mk
# The emulator code lives in ROM space
TEXTADDR=0x000D0000
DEFINES=-DDEBUG -DTEXTADDR=$(TEXTADDR)
XENINC=-I$(XEN_ROOT)/tools/libxc
# Disable PIE/SSP if GCC supports them. They can break us.
CFLAGS += $(call cc-option,$(CC),-nopie,)
CFLAGS += $(call cc-option,$(CC),-fno-stack-protector,)
CFLAGS += $(call cc-option,$(CC),-fno-stack-protector-all,)
CPP = cpp -P
OBJCOPY = objcopy -p -O binary -R .note -R .comment -R .bss -S --gap-fill=0
CFLAGS += $(DEFINES) -I. $(XENINC) -fno-builtin -O2 -msoft-float
OBJECTS = head.o trap.o vm86.o setup.o util.o
.PHONY: all
all: vmxassist.bin
vmxassist.bin: vmxassist.ld $(OBJECTS)
$(CPP) $(DEFINES) vmxassist.ld > vmxassist.tmp
$(LD) -o vmxassist $(LDFLAGS_DIRECT) -nostdlib --fatal-warnings -N -T vmxassist.tmp $(OBJECTS)
nm -n vmxassist > vmxassist.sym
$(OBJCOPY) vmxassist vmxassist.tmp
dd if=vmxassist.tmp of=vmxassist.bin ibs=512 conv=sync
rm -f vmxassist.tmp
head.o: machine.h vm86.h head.S
$(CC) $(CFLAGS) -D__ASSEMBLY__ $(DEFINES) -c head.S
trap.o: machine.h vm86.h offsets.h trap.S
$(CC) $(CFLAGS) -D__ASSEMBLY__ $(DEFINES) -c trap.S
vm86.o: machine.h vm86.h vm86.c
$(CC) $(CFLAGS) -c vm86.c
setup.o: machine.h vm86.h setup.c
$(CC) $(CFLAGS) -c setup.c
util.o: machine.h vm86.h util.c
$(CC) $(CFLAGS) -c util.c
offsets.h: gen
./gen > offsets.h
gen: vm86.h gen.c
$(HOSTCC) $(HOSTCFLAGS) -I. $(XENINC) -o gen gen.c
.PHONY: clean
clean:
rm -f vmxassist vmxassist.tmp vmxassist.bin vmxassist.run vmxassist.sym head.s
rm -f $(OBJECTS)
rm -f gen gen.o offsets.h
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