mirror of
https://github.com/rust-embedded/rust-raspberrypi-OS-tutorials.git
synced 2024-11-11 07:10:59 +00:00
b30bc518c4
The GCC versions of `objdump` and `nm` seem to have better out-of-the-box support (for AArch64). Demangling works better, and instructions in objdump are presented as 4 bytes instead of 4 * 1 bytes, which helps a lot. Hence, switch to the GCC versions for now until LLVM has caught up.
99 lines
2.8 KiB
Makefile
99 lines
2.8 KiB
Makefile
## SPDX-License-Identifier: MIT OR Apache-2.0
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##
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## Copyright (c) 2018-2020 Andre Richter <andre.o.richter@gmail.com>
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# Default to the RPi3
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BSP ?= rpi3
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# BSP-specific arguments
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ifeq ($(BSP),rpi3)
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TARGET = aarch64-unknown-none-softfloat
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KERNEL_BIN = kernel8.img
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QEMU_BINARY = qemu-system-aarch64
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QEMU_MACHINE_TYPE = raspi3
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QEMU_RELEASE_ARGS = -serial stdio -display none
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OBJDUMP_BINARY = aarch64-none-elf-objdump
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NM_BINARY = aarch64-none-elf-nm
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LINKER_FILE = src/bsp/raspberrypi/link.ld
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RUSTC_MISC_ARGS = -C target-cpu=cortex-a53
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else ifeq ($(BSP),rpi4)
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TARGET = aarch64-unknown-none-softfloat
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KERNEL_BIN = kernel8.img
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QEMU_BINARY = qemu-system-aarch64
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QEMU_MACHINE_TYPE =
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QEMU_RELEASE_ARGS = -serial stdio -display none
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OBJDUMP_BINARY = aarch64-none-elf-objdump
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NM_BINARY = aarch64-none-elf-nm
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LINKER_FILE = src/bsp/raspberrypi/link.ld
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RUSTC_MISC_ARGS = -C target-cpu=cortex-a72
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endif
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# Export for build.rs
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export LINKER_FILE
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RUSTFLAGS = -C link-arg=-T$(LINKER_FILE) $(RUSTC_MISC_ARGS)
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RUSTFLAGS_PEDANTIC = $(RUSTFLAGS) -D warnings -D missing_docs
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COMPILER_ARGS = --target=$(TARGET) \
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--features bsp_$(BSP) \
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--release
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RUSTC_CMD = cargo rustc $(COMPILER_ARGS)
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DOC_CMD = cargo doc $(COMPILER_ARGS)
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CLIPPY_CMD = cargo clippy $(COMPILER_ARGS)
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CHECK_CMD = cargo check $(COMPILER_ARGS)
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OBJCOPY_CMD = rust-objcopy \
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--strip-all \
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-O binary
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KERNEL_ELF = target/$(TARGET)/release/kernel
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DOCKER_IMAGE = rustembedded/osdev-utils
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DOCKER_CMD = docker run --rm -v $(shell pwd):/work/tutorial -w /work/tutorial
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DOCKER_CMD_INTERACT = $(DOCKER_CMD) -i -t
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DOCKER_QEMU = $(DOCKER_CMD_INTERACT) $(DOCKER_IMAGE)
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DOCKER_ELFTOOLS = $(DOCKER_CMD) $(DOCKER_IMAGE)
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EXEC_QEMU = $(QEMU_BINARY) -M $(QEMU_MACHINE_TYPE)
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.PHONY: all $(KERNEL_ELF) $(KERNEL_BIN) doc qemu clippy clean readelf objdump nm check
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all: $(KERNEL_BIN)
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$(KERNEL_ELF):
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RUSTFLAGS="$(RUSTFLAGS_PEDANTIC)" $(RUSTC_CMD)
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$(KERNEL_BIN): $(KERNEL_ELF)
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@$(OBJCOPY_CMD) $(KERNEL_ELF) $(KERNEL_BIN)
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doc:
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$(DOC_CMD) --document-private-items --open
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ifeq ($(QEMU_MACHINE_TYPE),)
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qemu:
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@echo "This board is not yet supported for QEMU."
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else
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qemu: $(KERNEL_BIN)
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@$(DOCKER_QEMU) $(EXEC_QEMU) $(QEMU_RELEASE_ARGS) -kernel $(KERNEL_BIN)
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endif
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clippy:
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RUSTFLAGS="$(RUSTFLAGS_PEDANTIC)" $(CLIPPY_CMD)
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clean:
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rm -rf target $(KERNEL_BIN)
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readelf: $(KERNEL_ELF)
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readelf --headers $(KERNEL_ELF)
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objdump: $(KERNEL_ELF)
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@$(DOCKER_ELFTOOLS) $(OBJDUMP_BINARY) --disassemble --demangle $(KERNEL_ELF)
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nm: $(KERNEL_ELF)
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@$(DOCKER_ELFTOOLS) $(NM_BINARY) --demangle --print-size $(KERNEL_ELF) | sort
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# For rust-analyzer
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check:
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@RUSTFLAGS="$(RUSTFLAGS)" $(CHECK_CMD) --message-format=json
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