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Makefile.inc
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Makefile.inc
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# This Makefile is included by src/mainboards/VENDOR/BOARD/Makefile
TOP = $(abspath $(CURDIR)/../../../..)
VENDOR = $(notdir $(shell dirname $(CURDIR)))
BOARD = $(notdir $(CURDIR))
MODE ?= release
FIXED_DTFS = fixed-dtfs.dtb
TOOLS_DIR = $(TOP)/tools
FLASHROM_PROGRAMMER ?= dediprog
# Cargo will build the tools using the target from the .cargo directory which
# does not work so well if you are cross-compiling. This shell one-liner gets
# the target of the current system which can be passed via --target for
# building tools
TOOLS_TARGET = $(shell rustc -Z unstable-options --print target-spec-json | sed -n -e 's/.*llvm-target": "\([^"]\+\).*/\1/p')
CARGO_FLAGS = --verbose
# Override variables depending on the build.
include $(TOP)/Makefile.mode.$(MODE).inc
# ELF and BOOTBLOB are intermediate files while IMAGE is the final firmware
# image ready to be flashed onto the machine.
ELF = $(TARGET_DIR)/$(BOARD)
BOOTBLOB = $(TARGET_DIR)/bootblob.bin
IMAGE = $(TARGET_DIR)/image.bin
$(info ***** Oreboot Build Config *****)
$(info TOP = $(TOP))
$(info VENDOR = $(VENDOR))
$(info BOARD = $(BOARD))
$(info MODE = $(MODE))
$(info TARGET = $(TARGET))
$(info TARGET_DIR = $(TARGET_DIR))
$(info TOOLS_TARGET = $(TOOLS_TARGET))
$(info cargo --version = $(shell cargo --version))
$(info rustc --version = $(shell rustc --version))
$(info rustup --version = $(shell rustup --version))
$(info **********)
$(TARGET_DIR)/%.dtb: %.dts
dtc $< -O dtb -o $@
$(IMAGE): $(BOOTBLOB) $(TARGET_DIR)/$(FIXED_DTFS)
TARGET_DIR=$(TARGET_DIR) cargo run --target $(TOOLS_TARGET) --manifest-path $(TOOLS_DIR)/layoutflash/Cargo.toml -- $(TARGET_DIR)/$(FIXED_DTFS) $@
@printf "**\n** Output: $@\n**\n"
$(TARGET_DIR)/bootblob.bin: $(ELF)
rust-objcopy -O binary -R .bss $< $@
# Re-run cargo every time.
.PHONY: $(ELF)
$(ELF):
RUST_TARGET_PATH=$(TOP)/src/custom_targets cargo xbuild $(CARGO_FLAGS)
clean:
rm -rf target/
# The rest of this file are conveniences for debugging.
objdump: $(ELF)
cargo objdump -- -d $(ELF)
flash: $(IMAGE)
sudo $(which flashrom) -V -w $(IMAGE) -p $(FLASHROM_PROGRAMMER)