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https://chromium.googlesource.com/crosvm/crosvm
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84 lines
2.7 KiB
Makefile
84 lines
2.7 KiB
Makefile
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# Copyright 2020 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# Builds the kernel and rootfs for the guest used in integration testing.
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#
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# The main artifacts are:
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# target/guest_under_test/bzImage
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# target/guest_under_test/rootfs
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# We are building everything in target/guest_under_test
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CARGO_TARGET ?= $(shell cargo metadata --no-deps --format-version 1 | \
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jq -r ".target_directory")
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TARGET ?= $(CARGO_TARGET)/guest_under_test
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$(shell mkdir -p $(TARGET))
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# Currently only x86_64 is tested and supported.
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ARCH = $(shell arch)
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# Parameteters for building the kernel locally
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KERNEL_REPO ?= https://chromium.googlesource.com/chromiumos/third_party/kernel
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KERNEL_BRANCH ?= chromeos-4.19
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# Build against the musl toolchain, which will produce a statically linked,
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# portable binary that we can run on the alpine linux guest without needing
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# libc at runtime
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RUST_TARGET ?= $(ARCH)-unknown-linux-musl
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################################################################################
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# Main targets
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all: $(TARGET)/rootfs $(TARGET)/bzImage
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clean:
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rm -rf $(TARGET)
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################################################################################
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# Build rootfs
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dockerfile := $(shell pwd)/Dockerfile
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# Build rootfs from Dockerfile and export into squashfs
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$(TARGET)/rootfs: $(TARGET)/rootfs-build/delegate
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# Build image from Dockerfile
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cd $(TARGET)/rootfs-build && docker build -t crosvm_integration_test . \
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-f $(dockerfile)
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# Create container and export into squashfs, and don't forget to clean up
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# the container afterwards.
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set -x; \
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CONTAINER=$$(docker create crosvm_integration_test); \
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docker export $$CONTAINER | tar2sqfs -c gzip -f $@; \
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docker rm $$CONTAINER
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# Build and copy delegate binary into rootfs build directory
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$(TARGET)/rootfs-build/delegate: delegate.rs
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rustup target add $(RUST_TARGET)
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rustc --edition=2018 delegate.rs --out-dir $(@D) --target $(RUST_TARGET)
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################################################################################
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# Build kernel
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ifeq ($(ARCH), x86_64)
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KERNEL_CONFIG ?= arch/x86/configs/chromiumos-container-vm-x86_64_defconfig
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else
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$(error Only x86_64 is supported)
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endif
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$(TARGET)/bzImage: $(TARGET)/kernel-source $(TARGET)/kernel-build
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cd $(TARGET)/kernel-source && \
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yes "" | make O=$(TARGET)/kernel-build -j$(shell nproc) bzImage
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cp $(TARGET)/kernel-build/arch/x86/boot/bzImage $@
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$(TARGET)/kernel-build: $(TARGET)/kernel-source
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mkdir -p $@
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cp -f $(TARGET)/kernel-source/$(KERNEL_CONFIG) $@/.config
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$(TARGET)/kernel-source:
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rm -rf $@
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git clone --depth 1 --branch $(KERNEL_BRANCH) $(KERNEL_REPO) $@
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.PHONY: clean all update-prebuilts
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