wehub-resource-sync
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75 lines
2.3 KiB
Makefile
75 lines
2.3 KiB
Makefile
# Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# https://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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KSOURCE ?= https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.18.5.tar.xz
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KIMAGE ?= kernel-build:0.1
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MAKEFILE_DIR := $(patsubst %/,%,$(dir $(abspath $(lastword $(MAKEFILE_LIST)))))
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GIT_VERSION := $(shell git -C $(MAKEFILE_DIR) rev-parse --short=12 HEAD 2>/dev/null || echo unknown)
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TARGET_ARCH ?=
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# Resolve the effective target arch (TARGET_ARCH override, else host).
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EFFECTIVE_ARCH := $(if $(TARGET_ARCH),$(TARGET_ARCH),$(shell uname -m))
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ifneq (,$(filter $(EFFECTIVE_ARCH),aarch64))
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EFFECTIVE_ARCH := arm64
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endif
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ifneq (,$(filter $(EFFECTIVE_ARCH),amd64))
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EFFECTIVE_ARCH := x86_64
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endif
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# Compressed (vmlinuz) for x86_64 bzImage; uncompressed (vmlinux) for arm64 Image.
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ifeq ($(EFFECTIVE_ARCH),x86_64)
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KERNEL_OUTPUT := vmlinuz-x86_64
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else
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KERNEL_OUTPUT := vmlinux-arm64
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endif
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BIN_DIR := $(abspath $(MAKEFILE_DIR)/../bin)
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.DEFAULT_GOAL := all
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.PHONY: all
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all: kernel-build-image
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all: kernel-build
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all: kernel-install
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.PHONY: kernel-build-image
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kernel-build-image:
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container build $(MAKEFILE_DIR)/image -f $(MAKEFILE_DIR)/image/Dockerfile -t ${KIMAGE}
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.PHONY: kernel-build
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kernel-build:
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ifeq (,$(wildcard $(MAKEFILE_DIR)/source.tar.xz))
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curl -SsL -o $(MAKEFILE_DIR)/source.tar.xz ${KSOURCE}
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endif
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container run \
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--cpus 8 \
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--rm \
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--memory 16g \
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-v $(MAKEFILE_DIR):/kernel \
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--env LOCALVERSION=-cz-${GIT_VERSION} \
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$(if $(TARGET_ARCH),--env TARGET_ARCH=$(TARGET_ARCH),) \
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--cwd /kernel \
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${KIMAGE} \
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/bin/bash -c "./build.sh"
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.PHONY: kernel-install
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kernel-install:
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@mkdir -p $(BIN_DIR)
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@cp -L $(MAKEFILE_DIR)/$(KERNEL_OUTPUT) $(BIN_DIR)/$(KERNEL_OUTPUT)
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@echo "Installed $(KERNEL_OUTPUT) -> $(BIN_DIR)/$(KERNEL_OUTPUT)"
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.PHONY: x86_64
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x86_64:
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$(MAKE) all TARGET_ARCH=x86_64
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