18382e17cSCaesar Wang# 28382e17cSCaesar Wang# Copyright (c) 2016, ARM Limited and Contributors. All rights reserved. 38382e17cSCaesar Wang# 4*82cb2c1aSdp-arm# SPDX-License-Identifier: BSD-3-Clause 58382e17cSCaesar Wang# 68382e17cSCaesar Wang 78382e17cSCaesar Wang# Cross Compile 88382e17cSCaesar WangM0_CROSS_COMPILE ?= arm-none-eabi- 98382e17cSCaesar Wang 108382e17cSCaesar Wang# Build architecture 118382e17cSCaesar WangARCH := cortex-m0 128382e17cSCaesar Wang 138382e17cSCaesar Wang# Build platform 148382e17cSCaesar WangPLAT_M0 ?= rk3399m0 158382e17cSCaesar Wang 168382e17cSCaesar Wangifeq (${V},0) 178382e17cSCaesar Wang Q=@ 188382e17cSCaesar Wangelse 198382e17cSCaesar Wang Q= 208382e17cSCaesar Wangendif 218382e17cSCaesar Wangexport Q 228382e17cSCaesar Wang 238382e17cSCaesar Wang.SUFFIXES: 248382e17cSCaesar Wang 25977001aaSXing ZhengINCLUDES += -Iinclude/ \ 26977001aaSXing Zheng -I../../include/shared/ 278382e17cSCaesar Wang 288382e17cSCaesar Wang# NOTE: Add C source files here 298382e17cSCaesar WangC_SOURCES := src/startup.c \ 30977001aaSXing Zheng src/main.c \ 31977001aaSXing Zheng src/suspend.c \ 3295c3f422SLin Huang src/dram.c \ 3395c3f422SLin Huang src/stopwatch.c 348382e17cSCaesar Wang 358382e17cSCaesar Wang# Flags definition 362d051d2fSJulius WernerCOMMON_FLAGS := -g -mcpu=$(ARCH) -mthumb -Wall -O3 -nostdlib -mfloat-abi=soft 372d051d2fSJulius WernerCFLAGS := -ffunction-sections -fdata-sections -fomit-frame-pointer -fno-common 382d051d2fSJulius WernerASFLAGS := -Wa,--gdwarf-2 392d051d2fSJulius WernerLDFLAGS := -Wl,--gc-sections -Wl,--build-id=none 408382e17cSCaesar Wang 418382e17cSCaesar Wang# Cross tool 428382e17cSCaesar WangCC := ${M0_CROSS_COMPILE}gcc 438382e17cSCaesar WangCPP := ${M0_CROSS_COMPILE}cpp 448382e17cSCaesar WangAR := ${M0_CROSS_COMPILE}ar 458382e17cSCaesar WangOC := ${M0_CROSS_COMPILE}objcopy 468382e17cSCaesar WangOD := ${M0_CROSS_COMPILE}objdump 478382e17cSCaesar WangNM := ${M0_CROSS_COMPILE}nm 488382e17cSCaesar Wang 498382e17cSCaesar Wang# NOTE: The line continuation '\' is required in the next define otherwise we 508382e17cSCaesar Wang# end up with a line-feed characer at the end of the last c filename. 518382e17cSCaesar Wang# Also bare this issue in mind if extending the list of supported filetypes. 528382e17cSCaesar Wangdefine SOURCES_TO_OBJS 538382e17cSCaesar Wang $(notdir $(patsubst %.c,%.o,$(filter %.c,$(1)))) \ 548382e17cSCaesar Wang $(notdir $(patsubst %.S,%.o,$(filter %.S,$(1)))) 558382e17cSCaesar Wangendef 568382e17cSCaesar Wang 578382e17cSCaesar WangSOURCES := $(C_SOURCES) 58e77ade28SJulius WernerOBJS := $(addprefix $(BUILD)/,$(call SOURCES_TO_OBJS,$(SOURCES))) 59977001aaSXing ZhengLINKERFILE := $(BUILD)/$(PLAT_M0).ld 60e77ade28SJulius WernerMAPFILE := $(BUILD)/$(PLAT_M0).map 61e77ade28SJulius WernerELF := $(BUILD)/$(PLAT_M0).elf 62e77ade28SJulius WernerBIN := $(BUILD)/$(PLAT_M0).bin 63977001aaSXing ZhengLINKERFILE_SRC := src/$(PLAT_M0).ld.S 648382e17cSCaesar Wang 658382e17cSCaesar Wang# Function definition related compilation 668382e17cSCaesar Wangdefine MAKE_C 678382e17cSCaesar Wang$(eval OBJ := $(1)/$(patsubst %.c,%.o,$(notdir $(2)))) 6871581c9cSJulius Werner-include $(patsubst %.o,%.d,$(OBJ)) 698382e17cSCaesar Wang 708382e17cSCaesar Wang$(OBJ) : $(2) 718382e17cSCaesar Wang @echo " CC $$<" 722d051d2fSJulius Werner $$(Q)$$(CC) $$(COMMON_FLAGS) $$(CFLAGS) $$(INCLUDES) -MMD -MT $$@ -c $$< -o $$@ 738382e17cSCaesar Wangendef 748382e17cSCaesar Wang 758382e17cSCaesar Wangdefine MAKE_S 768382e17cSCaesar Wang$(eval OBJ := $(1)/$(patsubst %.S,%.o,$(notdir $(2)))) 778382e17cSCaesar Wang 788382e17cSCaesar Wang$(OBJ) : $(2) 798382e17cSCaesar Wang @echo " AS $$<" 802d051d2fSJulius Werner $$(Q)$$(CC) -x assembler-with-cpp $$(COMMON_FLAGS) $$(ASFLAGS) -c $$< -o $$@ 818382e17cSCaesar Wangendef 828382e17cSCaesar Wang 838382e17cSCaesar Wangdefine MAKE_OBJS 848382e17cSCaesar Wang $(eval C_OBJS := $(filter %.c,$(2))) 858382e17cSCaesar Wang $(eval REMAIN := $(filter-out %.c,$(2))) 868382e17cSCaesar Wang $(eval $(foreach obj,$(C_OBJS),$(call MAKE_C,$(1),$(obj),$(3)))) 878382e17cSCaesar Wang 888382e17cSCaesar Wang $(eval S_OBJS := $(filter %.S,$(REMAIN))) 898382e17cSCaesar Wang $(eval REMAIN := $(filter-out %.S,$(REMAIN))) 908382e17cSCaesar Wang $(eval $(foreach obj,$(S_OBJS),$(call MAKE_S,$(1),$(obj),$(3)))) 918382e17cSCaesar Wang 928382e17cSCaesar Wang $(and $(REMAIN),$(error Unexpected source files present: $(REMAIN))) 938382e17cSCaesar Wangendef 948382e17cSCaesar Wang 95977001aaSXing Zheng.DEFAULT_GOAL := $(BIN) 96977001aaSXing Zheng 97977001aaSXing Zheng$(LINKERFILE): $(LINKERFILE_SRC) 982d051d2fSJulius Werner $(CC) $(COMMON_FLAGS) $(INCLUDES) -P -E -D__LINKER__ -MMD -MF $@.d -MT $@ -o $@ $< 99977001aaSXing Zheng-include $(LINKERFILE).d 1008382e17cSCaesar Wang 1018382e17cSCaesar Wang$(ELF) : $(OBJS) $(LINKERFILE) 1028382e17cSCaesar Wang @echo " LD $@" 1032d051d2fSJulius Werner $(Q)$(CC) -o $@ $(COMMON_FLAGS) $(LDFLAGS) -Wl,-Map=$(MAPFILE) -Wl,-T$(LINKERFILE) $(OBJS) 1048382e17cSCaesar Wang 1058382e17cSCaesar Wang$(BIN) : $(ELF) 1068382e17cSCaesar Wang @echo " BIN $@" 1078382e17cSCaesar Wang $(Q)$(OC) -O binary $< $@ 1088382e17cSCaesar Wang 109e77ade28SJulius Werner$(eval $(call MAKE_OBJS,$(BUILD),$(SOURCES),$(1))) 110