# Tomasz Wlostowski for CERN, 2011,2012 CROSS_COMPILE ?= lm32-elf- export CROSS_COMPILE CC = $(CROSS_COMPILE)gcc LD = $(CROSS_COMPILE)ld OBJDUMP = $(CROSS_COMPILE)objdump OBJCOPY = $(CROSS_COMPILE)objcopy SIZE = $(CROSS_COMPILE)size -include $(CURDIR)/.config AUTOCONF = $(CURDIR)/include/generated/autoconf.h PPSI = ppsi # we miss CONFIG_ARCH_LM32 as we have no other archs by now obj-y = arch/lm32/crt0.o arch/lm32/irq.o LDS-$(CONFIG_WR_NODE) = arch/lm32/ram.ld LDS-$(CONFIG_WR_SWITCH) = arch/lm32/ram-wrs.ld obj-$(CONFIG_WR_NODE) += wrc_main.o obj-$(CONFIG_WR_SWITCH) += wrs_main.o obj-$(CONFIG_WR_SWITCH) += ipc/minipc-mem-server.o ipc/rt_ipc.o # our linker script is preprocessed, so have a rule here %.ld: %.ld.S $(AUTOCONF) .config $(CC) -include $(AUTOCONF) -E -P $*.ld.S -o $@ cflags-y = -ffreestanding -include $(AUTOCONF) -Iinclude/std -Iinclude \ -I. -Isoftpll -Iipc cflags-y += -I$(CURDIR)/pp_printf cflags-$(CONFIG_PPSI) += \ -ffreestanding \ -include include/ppsi-wrappers.h \ -Iinclude \ -I$(PPSI)/include \ -I$(PPSI)/arch-wrpc \ -I$(PPSI)/arch-wrpc/include \ -I$(PPSI)/proto-ext-whiterabbit \ -Iboards/spec obj-ppsi = \ $(PPSI)/ppsi.o obj-$(CONFIG_PPSI) += \ monitor/monitor_ppsi.o \ lib/ppsi-wrappers.o \ $(obj-ppsi) CFLAGS_PLATFORM = -mmultiply-enabled -mbarrel-shift-enabled LDFLAGS_PLATFORM = -mmultiply-enabled -mbarrel-shift-enabled \ -nostdlib -T $(LDS-y) include shell/shell.mk include lib/lib.mk include pp_printf/printf.mk include dev/dev.mk include softpll/softpll.mk # ppsi already has div64 (the same one), so only pick it if not using ppsi ifndef CONFIG_PPSI obj-y += pp_printf/div64.o endif # And always complain if we pick the libgcc division: 64/32 = 32 is enough here. obj-y += check-error.o obj-$(CONFIG_WR_NODE) += sdb-lib/libsdbfs.a cflags-$(CONFIG_WR_NODE) += -Isdb-lib CFLAGS = $(CFLAGS_PLATFORM) $(cflags-y) -Wall \ -ffunction-sections -fdata-sections -Os \ -include include/trace.h -ggdb LDFLAGS = $(LDFLAGS_PLATFORM) \ -Wl,--gc-sections -Os -lgcc -lc OBJS = $(obj-y) OUTPUT-$(CONFIG_WR_NODE) = wrc OUTPUT-$(CONFIG_WR_SWITCH) = rt_cpu OUTPUT := $(OUTPUT-y) REVISION=$(shell git describe --dirty --always) all: tools $(OUTPUT).ram $(OUTPUT).vhd $(OUTPUT).mif .PRECIOUS: %.elf %.bin .PHONY: all tools clean gitmodules $(PPSI)/ppsi.o # we need to remove "ptpdump" support for ppsi if RAM size is small and # we include etherbone ifneq ($(CONFIG_RAMSIZE),131072) ifdef CONFIG_ETHERBONE PPSI_USER_CFLAGS = -DCONFIG_NO_PTPDUMP endif endif PPSI_USER_CFLAGS += -DDIAG_PUTS=uart_sw_write_string $(obj-ppsi): test -f $(PPSI)/.config || $(MAKE) -C $(PPSI) wrpc_defconfig $(MAKE) -C $(PPSI) WRPCSW_ROOT=.. \ CROSS_COMPILE=$(CROSS_COMPILE) CONFIG_NO_PRINTF=y \ USER_CFLAGS="$(PPSI_USER_CFLAGS)" sdb-lib/libsdbfs.a: $(MAKE) -C sdb-lib $(OUTPUT).elf: $(LDS-y) $(AUTOCONF) gitmodules $(OUTPUT).o config.o $(CC) $(CFLAGS) -DGIT_REVISION=\"$(REVISION)\" -c revision.c ${CC} -o $@ revision.o config.o $(OUTPUT).o $(LDFLAGS) ${OBJDUMP} -d $(OUTPUT).elf > $(OUTPUT)_disasm.S $(SIZE) $@ $(OUTPUT).o: $(OBJS) $(LD) --gc-sections -e _start -r $(OBJS) -T bigobj.lds -o $@ config.o: .config sed '1,3d' .config > .config.bin dd bs=1 count=1 if=/dev/zero 2> /dev/null >> .config.bin $(OBJCOPY) -I binary -O elf32-lm32 -B lm32 \ --rename-section .data=.data.config .config.bin $@ rm -f .config.bin %.bin: %.elf ${OBJCOPY} -O binary $^ $@ %.ram: tools %.bin ./tools/genraminit $*.bin 0 > $@ %.vhd: tools %.bin ./tools/genramvhd -s `. ./.config; echo $$CONFIG_RAMSIZE` $*.bin > $@ %.mif: tools %.bin ./tools/genrammif $*.bin `. ./.config; echo $$CONFIG_RAMSIZE` > $@ $(AUTOCONF): silentoldconfig clean: rm -f $(OBJS) $(OUTPUT).elf $(OUTPUT).bin $(OUTPUT).ram $(LDS) $(MAKE) -C $(PPSI) clean $(MAKE) -C sdb-lib clean %.o: %.c ${CC} $(CFLAGS) $(PTPD_CFLAGS) $(INCLUDE_DIR) $(LIB_DIR) -c $*.c -o $@ tools: $(MAKE) -C tools # if needed, check out the submodules (first time only), so users # who didn't read carefully the manual won't get confused gitmodules: @test -d ppsi/arch-wrpc || echo "Checking out submodules" @test -d ppsi/arch-wrpc || git submodule update --init # following targets from Makefile.kconfig silentoldconfig: @mkdir -p include/config $(MAKE) -f Makefile.kconfig $@ scripts_basic config: $(MAKE) -f Makefile.kconfig $@ %config: $(MAKE) -f Makefile.kconfig $@ defconfig: $(MAKE) -f Makefile.kconfig spec_defconfig .config: silentoldconfig # This forces more compilations than needed, but it's useful # (we depend on .config and not on include/generated/autoconf.h # because the latter is touched by silentoldconfig at each build) $(obj-y): .config $(wildcard include/*.h)