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introduce CROSS_*FLAGS for cross-compilation

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This commit is contained in:
Philippe Teuwen 2020-05-21 19:28:42 +02:00
parent 321080de71
commit 8e12285f66
3 changed files with 11 additions and 13 deletions
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6
armsrc/Makefile
View file

@ -132,8 +132,6 @@ VERSIONSRC = version.c \
# Do not move this inclusion before the definition of {THUMB,ASM,ARM}SRC
include ../common_arm/Makefile.common
COMMON_FLAGS = -Os
INSTALLFW = $(OBJDIR)/fullimage.elf
ifneq (,$(FWTAG))
INSTALLFWTAG = $(notdir $(INSTALLFW:%.elf=%-$(FWTAG).elf))
@ -178,7 +176,7 @@ $(FPGA_COMPRESSOR):
$(OBJDIR)/fullimage.stage1.elf: $(VERSIONOBJ) $(OBJDIR)/fpga_all.o $(THUMBOBJ) $(ARMOBJ)
$(info [=] LD $@)
$(Q)$(CC) $(LDFLAGS) -Wl,-T,ldscript,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^ $(LIBS)
$(Q)$(CC) $(CROSS_LDFLAGS) -Wl,-T,ldscript,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^ $(LIBS)
$(OBJDIR)/fullimage.nodata.bin: $(OBJDIR)/fullimage.stage1.elf
$(info [-] GEN $@)
@ -206,7 +204,7 @@ $(OBJDIR)/fullimage.data.o: $(OBJDIR)/fullimage.data.bin.z
$(OBJDIR)/fullimage.elf: $(OBJDIR)/fullimage.nodata.o $(OBJDIR)/fullimage.data.o
$(info [=] LD $@)
$(Q)$(CC) $(LDFLAGS) -Wl,-T,ldscript,-e,_osimage_entry,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^
$(Q)$(CC) $(CROSS_LDFLAGS) -Wl,-T,ldscript,-e,_osimage_entry,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^
tarbin: $(OBJS)
$(info TAR $@)

2
bootrom/Makefile
View file

@ -52,7 +52,7 @@ tarbin: $(OBJS)
$(OBJDIR)/bootrom.elf: $(VERSIONOBJ) $(ASMOBJ) $(ARMOBJ) $(THUMBOBJ)
$(info [=] LD $@)
$(Q)$(CC) $(LDFLAGS) -Wl,-T,ldscript-flash,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^ $(LIBS)
$(Q)$(CC) $(CROSS_LDFLAGS) -Wl,-T,ldscript-flash,-Map,$(patsubst %.elf,%.map,$@) -o $@ $^ $(LIBS)
clean:
$(Q)$(RM) $(OBJDIR)$(PATHSEP)*.o

14
common_arm/Makefile.common
View file

@ -89,10 +89,10 @@ ifeq ($(NOERROR),1)
DEFCFLAGS += -Wno-error
endif
CFLAGS ?= $(DEFCFLAGS)
CFLAGS += $(ARMCFLAGS) -c $(INCLUDE) -std=c99 -DON_DEVICE $(APP_CFLAGS)
CROSS_CFLAGS ?= $(DEFCFLAGS)
CROSS_CFLAGS += $(ARMCFLAGS) -c $(INCLUDE) -std=c99 -DON_DEVICE $(APP_CFLAGS)
LDFLAGS += -nostartfiles -nodefaultlibs -Wl,-gc-sections -Wl,--build-id=none -n
CROSS_LDFLAGS += -nostartfiles -nodefaultlibs -Wl,-gc-sections -Wl,--build-id=none -n
LIBS = -lgcc
# Flags to generate temporary dependency files
@ -107,21 +107,21 @@ VERSIONOBJ = $(patsubst %.c,$(OBJDIR)/%.o,$(notdir $(VERSIONSRC)))
$(THUMBOBJ): $(OBJDIR)/%.o: %.c $(INCLUDES)
$(info [-] CC $<)
$(Q)$(CC) $(CFLAGS) $(DEPFLAGS) -mthumb -o $@ $<
$(Q)$(CC) $(CROSS_CFLAGS) $(DEPFLAGS) -mthumb -o $@ $<
$(Q)$(POSTCOMPILE)
$(ARMOBJ): $(OBJDIR)/%.o: %.c $(INCLUDES)
$(info [-] CC $<)
$(Q)$(CC) $(CFLAGS) $(DEPFLAGS) -o $@ $<
$(Q)$(CC) $(CROSS_CFLAGS) $(DEPFLAGS) -o $@ $<
$(Q)$(POSTCOMPILE)
$(ASMOBJ): $(OBJDIR)/%.o: %.s
$(info [-] CC $<)
$(Q)$(CC) $(CFLAGS) -o $@ $<
$(Q)$(CC) $(CROSS_CFLAGS) -o $@ $<
$(VERSIONOBJ): $(OBJDIR)/%.o: %.c $(INCLUDES)
$(info [-] CC $<)
$(Q)$(CC) $(CFLAGS) -mthumb -o $@ $<
$(Q)$(CC) $(CROSS_CFLAGS) -mthumb -o $@ $<
# This objcopy call translates physical flash addresses to logical addresses
# without touching start address or RAM addresses (.bss and .data sections)