forked from cores/microwatt
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
80 lines
2.4 KiB
Makefile
80 lines
2.4 KiB
Makefile
#### Directories
|
|
|
|
include variables.mak
|
|
OBJ = $(BUILD_DIR)/obj
|
|
|
|
PROGRAM = sdram_init
|
|
OBJECTS = $(OBJ)/head.o $(OBJ)/main.o $(OBJ)/sdram.o $(OBJ)/console.o
|
|
|
|
#### Compiler
|
|
|
|
ARCH = $(shell uname -m)
|
|
ifneq ("$(ARCH)", "ppc64")
|
|
ifneq ("$(ARCH)", "ppc64le")
|
|
CROSS_COMPILE = powerpc64le-linux-gnu-
|
|
endif
|
|
endif
|
|
|
|
CC = $(CROSS_COMPILE)gcc
|
|
LD = $(CROSS_COMPILE)ld
|
|
OBJCOPY = $(CROSS_COMPILE)objcopy
|
|
|
|
#### Flags
|
|
|
|
CPPFLAGS = -nostdinc -D__USE_LIBC $(EXTRA_CFLAGS)
|
|
CPPFLAGS += -I$(SRC_DIR)/libc/include -I$(LXSRC_DIR) -I$(LXINC_DIR) -I$(GENINC_DIR) -I$(SRC_DIR)/include -I$(SRC_DIR)/../../../include
|
|
CPPFLAGS += -isystem $(shell $(CC) -print-file-name=include)
|
|
CFLAGS = -Os -g -Wall -std=c99 -m64 -mabi=elfv2 -msoft-float -mno-string -mno-multiple -mno-vsx -mno-altivec -mlittle-endian -fno-stack-protector -mstrict-align -ffreestanding -fdata-sections -ffunction-sections -fno-delete-null-pointer-checks
|
|
ASFLAGS = $(CPPFLAGS) $(CFLAGS)
|
|
LDFLAGS = -static -nostdlib -T $(OBJ)/$(PROGRAM).lds --gc-sections
|
|
|
|
#### Pretty print
|
|
|
|
ifeq ($(V),1)
|
|
define Q
|
|
$(2)
|
|
endef
|
|
else
|
|
define Q
|
|
@echo " [$1] " $(shell basename $3)
|
|
@$(2)
|
|
endef
|
|
endif
|
|
|
|
#### Rules. This is a bit crappy, I'm sure we can do better with the
|
|
#### handling of the various path, but this will have to do
|
|
#### until I can be bothered getting my head around the finer
|
|
#### points of Makefiles
|
|
|
|
all: objdir $(OBJ)/$(PROGRAM).hex
|
|
|
|
$(OBJ)/sdram.o: $(LXSRC_DIR)/sdram.c
|
|
$(call Q,CC, $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@, $@)
|
|
$(OBJ)/console.o: $(SRC_DIR)/../../../lib/console.c
|
|
$(call Q,CC, $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@, $@)
|
|
$(OBJ)/%.o : $(SRC_DIR)/%.c
|
|
$(call Q,CC, $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@, $@)
|
|
$(OBJ)/%.o : $(SRC_DIR)/%.S
|
|
$(call Q,AS, $(CC) $(ASFLAGS) -c $< -o $@, $@)
|
|
$(OBJ)/%.o : $(SRC_DIR)/libc/src/%.c
|
|
$(call Q,CC, $(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@, $@)
|
|
$(OBJ)/%.lds : $(SRC_DIR)/%.lds.S
|
|
$(call Q,CC, $(CC) $(CPPFLAGS) -P -E $< -o $@, $@)
|
|
|
|
LIBC_SRC := $(wildcard $(SRC_DIR)/libc/src/*.c)
|
|
LIBC_OBJ := $(patsubst $(SRC_DIR)/libc/src/%.c, $(OBJ)/%.o,$(LIBC_SRC))
|
|
$(OBJ)/libc.o: $(LIBC_OBJ)
|
|
$(call Q,LD, $(LD) -r -o $@ $^, $@)
|
|
|
|
$(OBJ)/$(PROGRAM).elf: $(OBJECTS) $(OBJ)/libc.o $(OBJ)/$(PROGRAM).lds
|
|
$(call Q,LD, $(LD) $(LDFLAGS) -o $@ $(OBJECTS) $(OBJ)/libc.o, $@)
|
|
|
|
$(OBJ)/$(PROGRAM).bin: $(OBJ)/$(PROGRAM).elf
|
|
$(call Q,OC, $(OBJCOPY) -O binary -S $^ $@, $@)
|
|
|
|
$(OBJ)/$(PROGRAM).hex: $(OBJ)/$(PROGRAM).bin
|
|
$(call Q,HX, $(SRC_DIR)/bin2hex.py $^ > $@, $@)
|
|
|
|
objdir:
|
|
@mkdir -p $(OBJ)
|