From f515c2cf95c5a6bc88a67a7e6319637b7c6e378b Mon Sep 17 00:00:00 2001 From: "kfraser@localhost.localdomain" Date: Wed, 17 Jan 2007 15:09:50 +0000 Subject: [MINIOS] New make structure to support different architectures. Signed-off-by: Dietmar Hahn --- extras/mini-os/Makefile | 160 +++++++++++++++++++++--------------------------- 1 file changed, 71 insertions(+), 89 deletions(-) (limited to 'extras/mini-os/Makefile') diff --git a/extras/mini-os/Makefile b/extras/mini-os/Makefile index 0fa1baccd5..ad4ff8d910 100644 --- a/extras/mini-os/Makefile +++ b/extras/mini-os/Makefile @@ -1,112 +1,88 @@ -debug ?= y +# Common Makefile for mini-os. +# +# Every architecture directory below mini-os/arch has to have a +# Makefile and a arch.mk. +# + pae ?= n XEN_ROOT = ../.. include $(XEN_ROOT)/Config.mk -# Set TARGET_ARCH -override TARGET_ARCH := $(XEN_TARGET_ARCH) - XEN_INTERFACE_VERSION := 0x00030204 +export XEN_INTERFACE_VERSION -# NB. '-Wcast-qual' is nasty, so I omitted it. -CFLAGS := -fno-builtin -Wall -Werror -Wredundant-decls -Wno-format -CFLAGS += -Wstrict-prototypes -Wnested-externs -Wpointer-arith -Winline -CFLAGS += -D__XEN_INTERFACE_VERSION__=$(XEN_INTERFACE_VERSION) +# Set TARGET_ARCH +override TARGET_ARCH := $(XEN_TARGET_ARCH) -ASFLAGS = -D__ASSEMBLY__ +# Set mini-os root path, used in mini-os.mk. +MINI-OS_ROOT=$(PWD) +export MINI-OS_ROOT -LDLIBS = -L. -lminios -LDFLAGS_FINAL := -N -T minios-$(TARGET_ARCH).lds -LDFLAGS := +# Try to find out the architecture family TARGET_ARCH_FAM. +# First check whether x86_... is contained (for x86_32, x86_32y, x86_64). +# If not x86 then use $(TARGET_ARCH) -> for ia64, ... +ifeq ($(findstring x86_,$(TARGET_ARCH)),x86_) +TARGET_ARCH_FAM = x86 +else +TARGET_ARCH_FAM = $(TARGET_ARCH) +endif -# Prefix for global API names. All other symbols are localised before -# linking with EXTRA_OBJS. -GLOBAL_PREFIX := xenos_ -EXTRA_OBJS = +# The architecture family directory below mini-os. +TARGET_ARCH_DIR := arch/$(TARGET_ARCH_FAM) -# For possible special source directories. -EXTRA_SRC = -# For possible special header directories. -EXTRA_INC = +# Export these variables for possible use in architecture dependent makefiles. +export TARGET_ARCH +export TARGET_ARCH_DIR +export TARGET_ARCH_FAM -# Standard name for architecture specific subdirectories. -TARGET_ARCH_DIR = $(TARGET_ARCH) # This is used for architecture specific links. +# This can be overwritten from arch specific rules. ARCH_LINKS = -ifeq ($(TARGET_ARCH),x86_32) -CFLAGS += -m32 -march=i686 -LDFLAGS += -m elf_i386 -TARGET_ARCH_DIR = x86 -EXTRA_INC += $(TARGET_ARCH_DIR)/$(TARGET_ARCH) -EXTRA_SRC += arch/$(EXTRA_INC) -endif +# For possible special header directories. +# This can be overwritten from arch specific rules. +EXTRA_INC = -ifeq ($(TARGET_ARCH)$(pae),x86_32y) -CFLAGS += -DCONFIG_X86_PAE=1 -ASFLAGS += -DCONFIG_X86_PAE=1 -TARGET_ARCH_DIR = x86 -EXTRA_INC += $(TARGET_ARCH_DIR)/$(TARGET_ARCH) -EXTRA_SRC += arch/$(EXTRA_INC) -endif +# Special build dependencies. +# Build all after touching this/these file(s) (see minios.mk) +SPEC_DEPENDS = minios.mk -ifeq ($(TARGET_ARCH),x86_64) -CFLAGS += -m64 -mno-red-zone -fpic -fno-reorder-blocks -CFLAGS += -fno-asynchronous-unwind-tables -LDFLAGS += -m elf_x86_64 -TARGET_ARCH_DIR = x86 -EXTRA_INC += $(TARGET_ARCH_DIR)/$(TARGET_ARCH) -EXTRA_SRC += arch/$(EXTRA_INC) -endif +# Include the architecture family's special makerules. +# This must be before include minios.mk! +include $(TARGET_ARCH_DIR)/arch.mk -ifeq ($(TARGET_ARCH),ia64) -CFLAGS += -mfixed-range=f2-f5,f12-f15,f32-f127 -mconstant-gp -ASFLAGS += -x assembler-with-cpp -Wall -ASFLAGS += -mfixed-range=f2-f5,f12-f15,f32-f127 -fomit-frame-pointer -ASFLAGS += -fno-builtin -fno-common -fno-strict-aliasing -mconstant-gp -ARCH_LINKS = IA64_LINKS # Special link on ia64 needed -define arch_links -[ -e include/ia64/asm-xsi-offsets.h ] || ln -sf ../../../../xen/include/asm-ia64/asm-xsi-offsets.h include/ia64/asm-xsi-offsets.h -endef -endif +# Include common mini-os makerules. +include minios.mk -ifeq ($(debug),y) -CFLAGS += -g -else -CFLAGS += -O3 -endif +# Define some default flags for linking. +LDLIBS := +LDFLAGS := +LDARCHLIB := -L$(TARGET_ARCH_DIR) -l$(ARCH_LIB_NAME) +LDFLAGS_FINAL := -N -T $(TARGET_ARCH_DIR)/minios-$(TARGET_ARCH).lds -# Add the special header directories to the include paths. -extra_incl := $(foreach dir,$(EXTRA_INC),-Iinclude/$(dir)) -override CPPFLAGS := -Iinclude $(CPPFLAGS) -Iinclude/$(TARGET_ARCH_DIR) $(extra_incl) +# Prefix for global API names. All other symbols are localised before +# linking with EXTRA_OBJS. +GLOBAL_PREFIX := xenos_ +EXTRA_OBJS = TARGET := mini-os -HEAD := $(TARGET_ARCH).o +# Subdirectories common to mini-os +SUBDIRS := lib xenbus console + +# The common mini-os objects to build. 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)) -OBJS += $(patsubst %.S,%.o,$(wildcard arch/$(TARGET_ARCH_DIR)/*.S)) -OBJS += $(patsubst %.c,%.o,$(wildcard arch/$(TARGET_ARCH_DIR)/*.c)) -# For special wanted source directories. -extra_objs := $(foreach dir,$(EXTRA_SRC),$(patsubst %.c,%.o,$(wildcard $(dir)/*.c))) -OBJS += $(extra_objs) -extra_objs := $(foreach dir,$(EXTRA_SRC),$(patsubst %.S,%.o,$(wildcard $(dir)/*.S))) -OBJS += $(extra_objs) - -HDRS := $(wildcard include/*.h) -HDRS += $(wildcard include/xen/*.h) -HDRS += $(wildcard include/$(TARGET_ARCH_DIR)/*.h) -# For special wanted header directories. -extra_heads := $(foreach dir,$(EXTRA_INC),$(wildcard $(dir)/*.h)) -HDRS += $(extra_heads) + .PHONY: default default: $(TARGET) -# Create special architecture specific links. +# Create special architecture specific links. The function arch_links +# has to be defined in arch.mk (see include above). ifneq ($(ARCH_LINKS),) $(ARCH_LINKS): $(arch_links) @@ -116,24 +92,29 @@ endif links: $(ARCH_LINKS) [ -e include/xen ] || ln -sf ../../../xen/include/public include/xen -$(TARGET): links $(OBJS) $(HEAD) - $(LD) -r $(LDFLAGS) $(HEAD) $(OBJS) -o $@.o +.PHONY: arch_lib +arch_lib: + $(MAKE) --directory=$(TARGET_ARCH_DIR) || exit 1; + +$(TARGET): links $(OBJS) arch_lib + $(LD) -r $(LDFLAGS) $(HEAD_OBJ) $(OBJS) $(LDARCHLIB) -o $@.o $(OBJCOPY) -w -G $(GLOBAL_PREFIX)* -G _start $@.o $@.o $(LD) $(LDFLAGS) $(LDFLAGS_FINAL) $@.o $(EXTRA_OBJS) -o $@ gzip -f -9 -c $@ >$@.gz -.PHONY: clean -clean: - find . -type f -name '*.o' | xargs rm -f - rm -f *.o *~ core $(TARGET) $(TARGET).gz +.PHONY: clean arch_clean + +arch_clean: + $(MAKE) --directory=$(TARGET_ARCH_DIR) clean || exit 1; + +clean: arch_clean + for dir in $(SUBDIRS); do \ + rm -f $$dir/*.o; \ + done + rm -f *.o *~ core $(TARGET).elf $(TARGET).raw $(TARGET) $(TARGET).gz find . -type l | xargs rm -f rm -f tags TAGS -%.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 ) @@ -147,3 +128,4 @@ cscope: .PHONY: tags tags: $(all_sources) | xargs ctags + -- cgit v1.2.3