blob: c1a6ee4bc96096e275aa5d785c33832f1c459a36 [file] [log] [blame] [edit]
#
# (C) Copyright 2015 Quantenna Communications Inc.
#
# Makefile for building the U-Boot Tiny (first stage bootloader)
#
include helper.mk
CFLAGS =
CC = $(CROSS_COMPILE)gcc
CPP = $(CROSS_COMPILE)gcc -E
LD = $(CROSS_COMPILE)ld
OBJCOPY = $(CROSS_COMPILE)objcopy
TARGET=tiny
default: u-boot-$(TARGET) u-boot-$(TARGET).bin
BUILD_DIR=./build_$(TARGET)
-include $(shell if [ -d $(BUILD_DIR) ]; then \
find $(BUILD_DIR)/ -name \*.d; \
fi)
gccincdir = $(shell $(CC) -print-file-name=include)
UBOOT_TINY_TEXT_BASE_OFFSET = 0x14000
CFLAGS += -Wall -Werror -Wno-unused-parameter \
-Os \
-D__KERNEL__ -D__ARC__ -DTOPAZ_TINY_UBOOT -DRUBY_MINI\
-mA7 \
-fno-builtin -ffreestanding -fomit-frame-pointer \
-nostdinc \
-mno-sdata -mvolatile-cache -mno-millicode \
-pipe \
-Iboard/ruby/ -Iinclude/ -Iquantenna/common/ -Iquantenna/include/qtn/ \
-isystem $(gccincdir) \
-DTEXT_BASE_OFFSET=$(UBOOT_TINY_TEXT_BASE_OFFSET) \
AFLAGS = -D__ASSEMBLY__ $(CFLAGS)
$(BUILD_DIR)/%.o: %.c
@mkdir -p $(@D)
$(CC) $(CFLAGS) $< -c -o $@ -MP -MD -MF $@.d
$(BUILD_DIR)/%.o: %.S
@mkdir -p $(@D)
$(CC) $(AFLAGS) $< -c -o $@ -MP -MD -MF $@.d
$(BUILD_DIR)/%.s: %.S
@mkdir -p $(@D)
$(CPP) $(AFLAGS) $< -o $@ -MP -MD -MF $@.d
OBJS = board/ruby/start.o \
board/ruby/flip.o \
cpu/arc/cache.o \
board/ruby/gpio.o \
board/ruby/timer.o \
board/ruby/serial.o \
board/ruby/reset.o \
board/ruby/spi_api.o \
board/ruby/newlib_io_copy.o \
board/ruby/spi_flash.o \
lib_generic/ctype.o \
lib_generic/vsprintf.o \
lib_generic/string.o \
lib_generic/crc32.o \
board/ruby_mini/ruby_mini_common.o \
board/ruby_mini/ruby_tiny.o
LDFLAGS = -lgcc
LDMAP = $(BUILD_DIR)/u-boot-$(TARGET).lds
RUBY_TINY_OBJS = $(OBJS:%=$(BUILD_DIR)/%)
u-boot-$(TARGET): $(RUBY_TINY_OBJS) $(LDMAP)
$(LD) -Bstatic -T $(LDMAP) $(RUBY_TINY_OBJS) -Map $@.map -o $@ $(LDFLAGS)
%.bin: %
$(OBJCOPY) -O binary $< $@
$(LDMAP): $(RUBY_MINI_LDMAP_SRC)
$(call build-mini-ldmap,$(CFLAGS))