mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-29 10:08:59 +00:00
61 lines
1.6 KiB
Makefile
61 lines
1.6 KiB
Makefile
|
# SPDX-License-Identifier: BSD-2-Clause
|
||
|
|
#
|
||
|
|
# Copyright (C) 2022 Matthias Schiffer <mschiffer@universe-factory.net>
|
||
|
|
|
||
|
|
CONFIG ?= $(error No configuration set)
|
||
|
|
|
||
|
|
include config/$(CONFIG).mk
|
||
|
|
|
||
|
|
MKIMAGE := mkimage
|
||
|
|
KARCH := powerpc
|
||
|
|
CC := $(CROSS_COMPILE)gcc
|
||
|
|
LD := $(CROSS_COMPILE)ld
|
||
|
|
OBJCOPY := $(CROSS_COMPILE)objcopy
|
||
|
|
|
||
|
|
PROGRAM_NAME := MPC85xx SPI loader
|
||
|
|
|
||
|
|
BIN_FLAGS := -O binary --pad-to=$(PAD_TO)
|
||
|
|
|
||
|
|
CFLAGS += -std=gnu17 -Os -Wall -Wstrict-prototypes \
|
||
|
|
-fomit-frame-pointer -ffreestanding \
|
||
|
|
-ffunction-sections -fno-pic \
|
||
|
|
-Iinclude -include ../config/$(CONFIG).h \
|
||
|
|
-DCONFIG_PROGRAM_NAME='"$(PROGRAM_NAME)"' \
|
||
|
|
-DCONFIG_IMAGE_OFFSET=$(IMAGE_OFFSET)
|
||
|
|
ASFLAGS := $(CFLAGS)
|
||
|
|
|
||
|
|
LDS := loader.lds
|
||
|
|
LDFLAGS := -static --gc-sections -T $(LDS) -Ttext $(TEXT_START)
|
||
|
|
|
||
|
|
OBJECTS := head.o loader.o string.o stdio.o drivers/serial/ns16550.o \
|
||
|
|
drivers/spi/fsl_espi.o drivers/spi/spi-nor.o
|
||
|
|
|
||
|
|
OUTDIR := out
|
||
|
|
|
||
|
|
all: $(OUTDIR)/uImage
|
||
|
|
|
||
|
|
-include $(OBJECTS:%.o=$(OUTDIR)/%.d)
|
||
|
|
|
||
|
|
$(OUTDIR)/%.o: %.c Makefile config/$(CONFIG).mk
|
||
|
|
@mkdir -p $(dir $@)
|
||
|
|
$(CC) $(CFLAGS) -c -o $@ -MD -MP $<
|
||
|
|
|
||
|
|
$(OUTDIR)/%.o: %.S Makefile config/$(CONFIG).mk
|
||
|
|
@mkdir -p $(dir $@)
|
||
|
|
$(CC) $(ASFLAGS) -c -o $@ -MD -MP $<
|
||
|
|
|
||
|
|
$(OUTDIR)/loader.elf: $(OBJECTS:%=$(OUTDIR)/%) $(LDS)
|
||
|
|
$(LD) $(LDFLAGS) -o $@ $(OBJECTS:%=$(OUTDIR)/%)
|
||
|
|
|
||
|
|
$(OUTDIR)/loader.bin: $(OUTDIR)/loader.elf
|
||
|
|
$(OBJCOPY) $(BIN_FLAGS) $< $@
|
||
|
|
|
||
|
|
$(OUTDIR)/uImage: $(OUTDIR)/loader.bin
|
||
|
|
$(MKIMAGE) -A $(KARCH) -O linux -T kernel -C none \
|
||
|
|
-a $(TEXT_START) -e $(TEXT_START) -n '$(PROGRAM_NAME)' -d $< $@
|
||
|
|
|
||
|
|
clean:
|
||
|
|
rm -rf $(OUTDIR)
|
||
|
|
|
||
|
|
.PHONY: all clean
|