diff options
Diffstat (limited to 'target/linux/mpc85xx/image/spi-loader/Makefile')
| -rw-r--r-- | target/linux/mpc85xx/image/spi-loader/Makefile | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/target/linux/mpc85xx/image/spi-loader/Makefile b/target/linux/mpc85xx/image/spi-loader/Makefile new file mode 100644 index 0000000000..45af2c3b53 --- /dev/null +++ b/target/linux/mpc85xx/image/spi-loader/Makefile @@ -0,0 +1,60 @@ +# 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 |