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debug ?= y
pae ?= n
include $(CURDIR)/../../Config.mk
# Set TARGET_ARCH
override TARGET_ARCH := $(XEN_TARGET_ARCH)
# NB. '-Wcast-qual' is nasty, so I omitted it.
CFLAGS := -fno-builtin -Wall -Werror -Wredundant-decls -Wno-format
CFLAGS += -Wstrict-prototypes -Wnested-externs -Wpointer-arith -Winline
override CPPFLAGS := -Iinclude $(CPPFLAGS)
ASFLAGS = -D__ASSEMBLY__
LDLIBS = -L. -lminios
LDFLAGS := -N -T minios-$(TARGET_ARCH).lds
ifeq ($(TARGET_ARCH),x86_32)
CFLAGS += -m32 -march=i686
LDFLAGS += -m elf_i386
endif
ifeq ($(TARGET_ARCH)$(pae),x86_32y)
CFLAGS += -DCONFIG_X86_PAE=1
ASFLAGS += -DCONFIG_X86_PAE=1
endif
ifeq ($(TARGET_ARCH),x86_64)
CFLAGS += -m64 -mno-red-zone -fpic -fno-reorder-blocks
CFLAGS += -fno-asynchronous-unwind-tables
LDFLAGS += -m elf_x86_64
endif
ifeq ($(debug),y)
CFLAGS += -g
else
CFLAGS += -O3
endif
TARGET := mini-os
HEAD := $(TARGET_ARCH).o
OBJS := $(patsubst %.c,%.o,$(wildcard *.c))
OBJS += $(patsubst %.c,%.o,$(wildcard lib/*.c))
OBJS += $(patsubst %.c,%.o,$(wildcard xenbus/*.c))
OBJS += $(patsubst %.c,%.o,$(wildcard console/*.c))
HDRS := $(wildcard include/*.h)
HDRS += $(wildcard include/xen/*.h)
.PHONY: default
default: $(TARGET)
.PHONY: links
links:
[ -e include/xen ] || ln -sf ../../../xen/include/public include/xen
libminios.a: links $(OBJS) $(HEAD)
$(AR) r libminios.a $(HEAD) $(OBJS)
$(TARGET): libminios.a $(HEAD)
$(LD) $(LDFLAGS) $(HEAD) $(LDLIBS) -o $@.elf
gzip -f -9 -c $@.elf >$@.gz
.PHONY: clean
clean:
find . -type f -name '*.o' | xargs rm -f
rm -f *.o *~ core $(TARGET).elf $(TARGET).raw $(TARGET) $(TARGET).gz
rm -f libminios.a
find . -type l | xargs rm -f
%.o: %.c $(HDRS) Makefile
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
%.o: %.S $(HDRS) Makefile
$(CC) $(ASFLAGS) $(CPPFLAGS) -c $< -o $@
define all_sources
( find . -follow -name SCCS -prune -o -name '*.[chS]' -print )
endef
.PHONY: cscope
cscope:
$(all_sources) > cscope.files
cscope -k -b -q
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