--- /dev/null
+# kernel_LIBRARIES .. list of the kernel-space libraries
+# rtlinux_LIBRARIES.. list of the RT-Linux kernel-space libraries
+# kernel_HEADERS .. list of the kernel-space public header files
+# rtlinux_HEADERS .. list of the RT-Linux kernel-space public header files
+# kernel_MODULES .. list of the kernel side modules/applications
+# rtlinux_MODULES .. list of RT-Linux the kernel side modules/applications
+# kernel_INCLUDES .. additional include directories and defines for kernel-space
+# rtlinux_INCLUDES .. additional include directories and defines for RT-Linux
+# OMIT_KERNEL_PASSES if defined, all kernel passes are omited
+# LINUX_DIR .. location of Linux kernel sources
+# RTL_DIR .. location of RT-Linux sources
+
+KERN_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include-kern
+KERN_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib-kern
+KERN_MODULES_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/modules
+KERN_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern
+KERN_MODPOST_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern-modpost
+
+ifndef LINUX_VERSION
+LINUX_VERSION=$(shell uname -r)
+endif
+ifndef LINUX_DIR
+LINUX_DIR=/lib/modules/$(LINUX_VERSION)/build
+endif
+
+KERN_OBJS_DIR = $(KERN_BUILD_DIR)/$(RELATIVE_DIR)
+
+kernel-lib-pass: include-pass
+kernel-mod-pass: kernel-lib-pass
+kernel-modpost-pass: kernel-mod-pass
+kernel-pass: kernel-mod-pass kernel-modpost-pass
+
+#=====================================================================
+# Kernel-space rules and templates to compile modules, libraries etc.
+
+ifdef KERN_RULE_TEMPLATES
+
+$(KERN_LIB_DIR)/kernel.mk: $(LINUX_DIR)/.config $(MAKERULES_DIR)/kernelcfg2mk
+ @$(QUIET_CMD_ECHO) " KCFG2MK $@"
+ $(Q) $(MAKERULES_DIR)/kernelcfg2mk $(LINUX_DIR) $(KERN_LIB_DIR)
+
+ifeq ($(CONFIG_RTLINUX),y)
+include $(RTL_DIR)/rtl.mk
+
+KERN_CC = $(CC)
+kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(CC) -print-search-dirs | $(SED4OMK) -n -e 's/^install: \(.*\)$$/\1/p' )
+INCLUDES := -I $(KERN_INCLUDE_DIR) $(INCLUDE) $(rtlinux_INCLUDES) $(kernel_INCLUDES)
+#-DEXPORT_NO_SYMBOLS
+c_o_kern_COMPILE = $(KERN_CC) -idirafter $(kern_GCCLIB_DIR)/include $(INCLUDES) $(CFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
+cc_o_kern_COMPILE = $(CXX) $(INCLUDES) $(CXXFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
+KERN_EXE_SUFFIX := .o
+KERN_ARCH = $(ARCH)
+KERN_LD = $(LD)
+KERN_AR = $(AR)
+
+else # CONFIG_RTLINUX
+
+include $(KERN_LIB_DIR)/kernel.mk
+
+ifeq ($(LINUX_SRC),)
+LINUX_SRC = $(LINUX_DIR)
+endif
+kernel_INCLUDES += -I $(KERN_INCLUDE_DIR) -I $(LINUX_DIR) -idirafter $(LINUX_SRC)/include/linux
+
+ifdef LINUX_CC
+KERN_CC = $(LINUX_CC)
+kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(LINUX_CC) -print-search-dirs | $(SED4OMK) -n -e 's/^install: \(.*\)$$/\1/p' )
+else
+KERN_CC = echo KERN_CC not defined - compilation skipped
+endif
+c_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_CFLAGS) $(LINUX_CFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
+cc_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_CFLAGS) $(LINUX_CFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
+S_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_AFLAGS) $(LINUX_AFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
+KERN_EXE_SUFFIX := $(LINUX_MODULE_EXT)
+KERN_LDFLAGS = $(LINUX_LDFLAGS) $(LINUX_LDFLAGS_MODULE)
+ifdef LINUX_ARCH
+KERN_ARCH = $(LINUX_ARCH)
+else
+KERN_ARCH = echo KERN_ARCH not defined - skipped
+endif
+ifdef LINUX_LD
+KERN_LD = $(LINUX_LD)
+else
+KERN_LD = echo KERN_LD not defined - skipped
+endif
+ifneq ($(LINUX_AR),)
+KERN_AR = $(LINUX_AR)
+else
+KERN_AR = $(AR)
+endif
+ifeq ($(LINUX_QUOTE_MODNAME),y)
+KERN_MQ=\"
+KERN_KBUILD_MODNAME=-D"KBUILD_MODNAME=((THIS_MODULE)!=NULL?(THIS_MODULE)->name:NULL)"
+endif
+endif # CONFIG_RTLINUX
+
+KERN_LOADLIBES += -L$(KERN_LIB_DIR)
+
+KERN_LOADLIBES += $(rtlinux_LOADLIBES:%=-l%)
+KERN_LOADLIBES += $(kernel_LOADLIBES:%=-l%)
+
+
+
+# Check GCC version for kernel part of build
+ifndef kern_CC_MAJOR_VERSION
+kern_CC_MAJOR_VERSION := $(shell $(KERN_CC) -dumpversion | $(SED4OMK) -e 's/\([^.]\)\..*/\1/')
+endif
+# Prepare suitable define for dependency building
+ifeq ($(kern_CC_MAJOR_VERSION),2)
+kern_CC_DEPFLAGS = -Wp,-MD,"$@.d.tmp"
+else
+kern_CC_DEPFLAGS = -MT $@ -MD -MP -MF "$@.d.tmp"
+endif
+
+ifeq ($(KERN_EXE_SUFFIX),.ko)
+ifeq ($(wildcard $(LINUX_DIR)/scripts/mod/modpost),)
+KERN_MODPOST = $(LINUX_DIR)/scripts/modpost
+else
+KERN_MODPOST = $(LINUX_DIR)/scripts/mod/modpost
+endif
+KERN_MODULES_LINK_DIR = $(KERN_MODPOST_DIR)
+KERN_LINK_SUFFIX = .o
+else
+KERN_MODULES_LINK_DIR = $(KERN_MODULES_DIR)
+KERN_LINK_SUFFIX = $(KERN_EXE_SUFFIX)
+endif
+
+ifeq ($(LINUX_CONFIG_MODVERSIONS),y)
+MODPOST_OPTS += -m
+MODPOST_OPTS += -i $(LINUX_DIR)/Module.symvers
+ifneq ($(LINUX_BUILDHOST),) # this is not correct point, it should look for 2.6.17 kernel
+MODPOST_OPTS += -I $(KERN_LIB_DIR)/Module.symvers
+endif
+MODPOST_OPTS += -o $(KERN_LIB_DIR)/Module.symvers
+endif
+
+ifeq ($(LINUX_CONFIG_DEBUG_SECTION_MISMATCH),y)
+MODPOST_OPTS += -S
+endif
+
+ifeq ($(LINUX_CONFIG_MARKERS),y)
+MODPOST_OPTS += -K $(LINUX_DIR)/Module.markers
+MODPOST_OPTS += -M $(KERN_LIB_DIR)/Module.markers
+endif
+
+ifeq ($(LINUX_KBUILD_MODPOST_WARN),y)
+MODPOST_OPTS += -w
+endif
+
+ifneq ($(LINUX_BUILDHOST),)
+ifneq ($(LINUX_BUILDHOST),$(LINUX_ARCH))
+MODPOST_OPTS += -c
+endif
+endif
+
+define COMPILE_c_o_kern_template
+
+$(2): $(1)
+ @$(QUIET_CMD_ECHO) " CC [K] $$@"
+ $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+ -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+ -o $$@ -c $$< ; \
+ then mv -f "$$@.d.tmp" "$$@.d" ; \
+ else rm -f "$$@.d.tmp" ; exit 1; \
+ fi
+endef
+
+
+
+define COMPILE_cc_o_kern_template
+
+$(2): $(1)
+ @$(QUIET_CMD_ECHO) " CXX [K] $$@"
+ $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+ -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+ -o $$@ -c $$< ; \
+ then mv -f "$$@.d.tmp" "$$@.d" ; \
+ else rm -f "$$@.d.tmp" ; exit 1; \
+ fi
+endef
+
+
+
+define COMPILE_S_o_kern_template
+
+$(2): $(1)
+ @$(QUIET_CMD_ECHO) " AS [K] $$@"
+ $(Q) if $$(S_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
+ -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
+ -o $$@ -c $$< ; \
+ then mv -f "$$@.d.tmp" "$$@.d" ; \
+ else rm -f "$$@.d.tmp" ; exit 1; \
+ fi
+endef
+
+
+
+define MODULE_kern_template
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
+$(1)_OBJS := $$(sort $$($(1)_OBJS))
+
+KERN_OBJS += $$($(1)_OBJS)
+KERN_SOURCES += $$($(1)_SOURCES)
+
+# this is hack to build "__this_module" structure for 2.6.x kernels
+# modpost is used for that purpose now
+
+#$(1).mod.c:
+# echo "\
+# #include <linux/version.h>@\
+# #include <linux/module.h>@\
+# #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,5))@\
+# #include <linux/vermagic.h>@\
+# #include <linux/compiler.h>@\
+# @\
+# MODULE_INFO(vermagic, VERMAGIC_STRING);@\
+# @\
+# #undef unix@\
+# struct module __this_module@\
+# __attribute__((section(\".gnu.linkonce.this_module\"))) = {@\
+# .name = __stringify(KBUILD_MODNAME),@\
+# .init = init_module,@\
+# #ifdef CONFIG_MODULE_UNLOAD@\
+# .exit = cleanup_module,@\
+# #endif@\
+# };@\
+# #endif@\
+# " | tr @ \\n >$$@
+
+
+#$(eval $(call COMPILE_c_o_kern_template,$(1).mod.c,$(1).mod.o,-DKBUILD_MODNAME=$(1)))
+
+$(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
+ @$(QUIET_CMD_ECHO) " LD [K] $$@"
+ $(Q) $$(KERN_LD) $$(KERN_LDFLAGS) -r $$($(1)_OBJS) -L$$(kern_GCCLIB_DIR) $$($(1)_LIBS:%=-l%) $$(KERN_LOADLIBES) -Map $(KERN_OBJS_DIR)/$(1).mod.map -o $$@
+ @echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(KERN_OBJS_DIR)/$(1).mod.d
+ @$(SED4OMK) -n -e 's/^LOAD \(.*\)$$$$/ \1 \\/p' $(KERN_OBJS_DIR)/$(1).mod.map >>$(KERN_OBJS_DIR)/$(1).mod.d
+ @echo >>$(KERN_OBJS_DIR)/$(1).mod.d
+ @if [ "$(KERN_EXE_SUFFIX)" = ".ko" ] ; then \
+ echo $(1) >>$(KERN_MODPOST_DIR)/module-changes ; \
+ echo $(1) >$(KERN_MODPOST_DIR)/$(1).mod.stamp ; \
+ fi
+
+endef
+
+
+
+define LIBRARY_kern_template
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
+$(1)_OBJS := $$(sort $$($(1)_OBJS))
+
+KERN_OBJS += $$($(1)_OBJS)
+KERN_SOURCES += $$($(1)_SOURCES)
+
+$(KERN_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
+ @$(QUIET_CMD_ECHO) " AR [K] $$@"
+ $(Q) $(KERN_AR) rcs $$@ $$^
+endef
+
+
+ifdef LINUX_DIR
+
+kernel-lib-pass-local: $(kernel_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
+
+kernel-mod-pass-local: $(kernel_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
+
+$(foreach module,$(kernel_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
+
+$(foreach lib,$(kernel_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
+
+endif
+
+
+ifeq ($(CONFIG_RTLINUX),y)
+
+kernel-mod-pass-local: $(rtlinux_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
+
+kernel-lib-pass-local: $(rtlinux_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
+
+$(foreach module,$(rtlinux_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
+
+$(foreach lib,$(rtlinux_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
+
+endif
+
+ifeq ($(KERN_MODPOST_PASS),y)
+
+MODULES_LIST := $(wildcard *.mod.stamp)
+MODULES_LIST := $(MODULES_LIST:%.mod.stamp=%)
+
+define MODPOST_kern_template
+$(2) : $(1)$(KERN_LINK_SUFFIX) $(1).mod.c
+ @$(QUIET_CMD_ECHO) " LD [M] $$@"
+ $(Q) $$(c_o_kern_COMPILE) -D"KBUILD_BASENAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
+ -D"KBUILD_MODNAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
+ -o $(1).mod.o -c $(1).mod.c
+ $(Q) $$(KERN_LD) $$(KERN_LDFLAGS) $(1)$(KERN_LINK_SUFFIX) $(1).mod.o -r -o $$@
+endef
+
+kernel-modpost-versions: $(wildcard $(LINUX_DIR)/Module.symvers)
+ @$(QUIET_CMD_ECHO) " MODPOST $(KERN_MODPOST_DIR)"
+ @echo >$(KERN_MODPOST_DIR)/modpost-running
+ @rm -f $(KERN_MODPOST_DIR)/module-changes
+ $(Q) $(KERN_MODPOST) $(MODPOST_OPTS) $(MODULES_LIST:%=%$(KERN_LINK_SUFFIX))
+
+$(MODULES_LIST:%=%.mod.c) : kernel-modpost-versions
+
+kernel-modpost-pass-local: $(MODULES_LIST:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX))
+ @rm -f $(KERN_MODPOST_DIR)/modpost-running
+
+$(foreach module,$(MODULES_LIST),$(eval $(call MODPOST_kern_template,$(module),$(module:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX)))))
+
+endif
+
+-include $(KERN_OBJS_DIR)/*.d
+
+endif
+
+#=====================================================================
+
+# Kernel requires its own set of configuration header-files
+ifneq ($(kernel_LIBRARIES)$(rtlinux_LIBRARIES)$(kernel_MODULES)$(rtlinux_MODULES)$(kernel_HEADERS)$(rtlinux_HEADERS)$(kernel_HEADERS)$(rtlinux_HEADERS)$(nobase_kernel_HEADERS)$(nobase_rtlinux_HEADERS)$(renamed_kernel_HEADERS)$(renamed_rtlinux_HEADERS),)
+KERN_CONFIG_HEADERS_REQUIRED = y
+endif
+
+$(eval $(call omk_pass_template, kernel-lib-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_LIBRARIES)$(rtlinux_LIBRARIES)))
+$(eval $(call omk_pass_template, kernel-mod-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_MODULES)$(rtlinux_MODULES)))
+
+kernel-modpost-pass:
+ +@if [ -e "$(KERN_MODPOST_DIR)/module-changes" -o -e "$(KERN_MODPOST_DIR)/modpost-running" ] ; \
+ then \
+ $(MAKE) --no-print-directory -C $(KERN_MODPOST_DIR) \
+ -f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y KERN_MODPOST_PASS=y $(@:%=%-local) ; \
+ fi
+
+check-dir::
+ @$(call mkdir_def,$(KERN_BUILD_DIR))
+ @$(call mkdir_def,$(KERN_INCLUDE_DIR))
+ @$(call mkdir_def,$(KERN_LIB_DIR))
+ @$(call mkdir_def,$(KERN_MODULES_DIR))
+ @$(call mkdir_def,$(KERN_MODPOST_DIR))
+
+$(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),kernel))
+ifeq ($(CONFIG_RTLINUX),y)
+$(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),rtlinux))
+endif
+
+ifdef KERN_RULE_TEMPLATES
+
+KERN_SOURCES := $(sort $(KERN_SOURCES))
+
+#$(warning KERN_SOURCES = $(KERN_SOURCES))
+
+$(foreach src,$(filter %.c,$(KERN_SOURCES)),$(eval $(call COMPILE_c_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))
+
+$(foreach src,$(filter %.cc,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))
+
+$(foreach src,$(filter %.cxx,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
+
+$(foreach src,$(filter %.cpp,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.o),)))
+
+$(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
+endif
+
+clean-local::
+ @echo Cleaning in $(KERN_OBJS_DIR)
+ @rm -f $(KERN_OBJS_DIR)/*.o \
+ $(KERN_OBJS_DIR)/*.d \
+ $(KERN_OBJS_DIR)/*.map \
+ $(KERN_OBJS_DIR)/*.mod.c \
+ $(kernel_MODULES:%=$(KERN_MODPOST_DIR)/%.*) \
+ $(LOCAL_CONFIG_H:%=$(KERN_OBJS_DIR)/%) \
+ @if [ -e $(KERN_LIB_DIR)/kernel.mk ] ; then \
+ touch -t 200001010101 $(KERN_LIB_DIR)/kernel.mk ; \
+ fi
+
+ifndef OMIT_KERNEL_PASSES
+# Also make kernel passes if not disabled
+default: kernel-lib-pass kernel-pass
+endif
projects / omk.git / commitdiff