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Makefile
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## SPDX-License-Identifier: MIT OR Apache-2.0
##
## Copyright (c) 2018-2020 Andre Richter <[email protected]>
# Default to the RPi3
ifndef BSP
BSP = rpi3
endif
# Default to /dev/ttyUSB0
ifndef DEV_SERIAL
DEV_SERIAL = /dev/ttyUSB0
endif
# BSP-specific arguments
ifeq ($(BSP),rpi3)
TARGET = aarch64-unknown-none-softfloat
OUTPUT = kernel8.img
QEMU_BINARY = qemu-system-aarch64
QEMU_MACHINE_TYPE = raspi3
QEMU_RELEASE_ARGS = -serial stdio -display none
LINKER_FILE = src/bsp/rpi/link.ld
RUSTC_MISC_ARGS = -C target-cpu=cortex-a53 -C relocation-model=pic
CHAINBOOT_DEMO_PAYLOAD = demo_payload_rpi3.img
else ifeq ($(BSP),rpi4)
TARGET = aarch64-unknown-none-softfloat
OUTPUT = kernel8.img
# QEMU_BINARY = qemu-system-aarch64
# QEMU_MACHINE_TYPE =
# QEMU_RELEASE_ARGS = -serial stdio -display none
LINKER_FILE = src/bsp/rpi/link.ld
RUSTC_MISC_ARGS = -C target-cpu=cortex-a72 -C relocation-model=pic
CHAINBOOT_DEMO_PAYLOAD = demo_payload_rpi4.img
endif
RUSTFLAGS = -C link-arg=-T$(LINKER_FILE) $(RUSTC_MISC_ARGS)
RUSTFLAGS_PEDANTIC = $(RUSTFLAGS) -D warnings -D missing_docs
SOURCES = $(wildcard **/*.rs) $(wildcard **/*.S) $(wildcard **/*.ld)
XRUSTC_CMD = cargo xrustc \
--target=$(TARGET) \
--features bsp_$(BSP) \
--release
CARGO_OUTPUT = target/$(TARGET)/release/kernel
OBJCOPY_CMD = cargo objcopy \
-- \
--strip-all \
-O binary
DOCKER_IMAGE = rustembedded/osdev-utils
DOCKER_CMD = docker run -it --rm
DOCKER_ARG_DIR_TUT = -v $(shell pwd):/work -w /work
DOCKER_ARG_DIR_UTILS = -v $(shell pwd)/../utils:/utils
DOCKER_ARG_TTY = --privileged -v /dev:/dev
DOCKER_EXEC_QEMU = $(QEMU_BINARY) -M $(QEMU_MACHINE_TYPE)
DOCKER_EXEC_MINIPUSH = ruby /utils/minipush.rb
.PHONY: all doc qemu qemuasm chainboot clippy clean readelf objdump nm
all: clean $(OUTPUT)
$(CARGO_OUTPUT): $(SOURCES)
RUSTFLAGS="$(RUSTFLAGS_PEDANTIC)" $(XRUSTC_CMD)
$(OUTPUT): $(CARGO_OUTPUT)
cp $< .
$(OBJCOPY_CMD) $< $(OUTPUT)
doc:
cargo xdoc --target=$(TARGET) --features bsp_$(BSP) --document-private-items
xdg-open target/$(TARGET)/doc/kernel/index.html
ifeq ($(QEMU_MACHINE_TYPE),)
qemu:
@echo "This board is not yet supported for QEMU."
qemuasm:
@echo "This board is not yet supported for QEMU."
else
qemu: all
@$(DOCKER_CMD) $(DOCKER_ARG_DIR_TUT) $(DOCKER_IMAGE) \
$(DOCKER_EXEC_QEMU) $(QEMU_RELEASE_ARGS) \
-kernel $(OUTPUT)
qemuasm: all
@$(DOCKER_CMD) $(DOCKER_ARG_DIR_TUT) $(DOCKER_IMAGE) \
$(DOCKER_EXEC_QEMU) $(QEMU_RELEASE_ARGS) \
-kernel $(OUTPUT) -d in_asm
endif
chainboot:
@$(DOCKER_CMD) $(DOCKER_ARG_DIR_TUT) $(DOCKER_ARG_DIR_UTILS) $(DOCKER_ARG_TTY) \
$(DOCKER_IMAGE) $(DOCKER_EXEC_MINIPUSH) $(DEV_SERIAL) \
$(CHAINBOOT_DEMO_PAYLOAD)
clippy:
RUSTFLAGS="$(RUSTFLAGS_PEDANTIC)" cargo xclippy --target=$(TARGET) --features bsp_$(BSP)
clean:
rm -rf target
readelf:
readelf -a kernel
objdump:
cargo objdump --target $(TARGET) -- -disassemble -no-show-raw-insn -print-imm-hex kernel
nm:
cargo nm --target $(TARGET) -- -print-size kernel | sort