139 lines
3.8 KiB
Makefile
139 lines
3.8 KiB
Makefile
# SPDX-License-Identifier: MPL-2.0
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MKFILE_PATH := $(abspath $(lastword $(MAKEFILE_LIST)))
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CUR_DIR := $(patsubst %/,%,$(dir $(MKFILE_PATH)))
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BUILD_DIR := $(CUR_DIR)/build
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VDSO_DIR := $(BUILD_DIR)/linux_vdso
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INITRAMFS := $(BUILD_DIR)/initramfs
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INITRAMFS_FILELIST := $(BUILD_DIR)/initramfs.filelist
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INITRAMFS_IMAGE := $(BUILD_DIR)/initramfs.cpio.gz
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EXT2_IMAGE := $(BUILD_DIR)/ext2.img
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EXFAT_IMAGE := $(BUILD_DIR)/exfat.img
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INITRAMFS_EMPTY_DIRS := \
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$(INITRAMFS)/sbin \
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$(INITRAMFS)/root \
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$(INITRAMFS)/tmp \
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$(INITRAMFS)/opt \
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$(INITRAMFS)/proc \
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$(INITRAMFS)/dev \
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$(INITRAMFS)/ext2 \
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$(INITRAMFS)/exfat
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INITRAMFS_ALL_DIRS := \
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$(INITRAMFS)/etc \
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$(INITRAMFS)/lib/x86_64-linux-gnu \
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$(INITRAMFS)/lib64 \
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$(INITRAMFS)/bin \
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$(INITRAMFS)/usr/bin \
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$(INITRAMFS)/regression \
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$(INITRAMFS)/benchmark \
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$(INITRAMFS_EMPTY_DIRS)
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SYSCALL_TEST_DIR := $(INITRAMFS)/opt/syscall_test
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.PHONY: all
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all: build
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$(INITRAMFS)/lib/x86_64-linux-gnu: | $(VDSO_DIR)
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@mkdir -p $@
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@cp -L /lib/x86_64-linux-gnu/libc.so.6 $@
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@cp -L /lib/x86_64-linux-gnu/libstdc++.so.6 $@
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@cp -L /lib/x86_64-linux-gnu/libm.so.6 $@
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@cp -L /lib/x86_64-linux-gnu/libgcc_s.so.1 $@
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@cp -L /lib/x86_64-linux-gnu/libpthread.so.0 $@
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@# required for benchmarks
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@cp -L /lib/x86_64-linux-gnu/libcrypto.so.3 $@
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@cp -L /lib/x86_64-linux-gnu/libcrypt.so.1 $@
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@cp -L /lib/x86_64-linux-gnu/libdl.so.2 $@
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@cp -L /lib/x86_64-linux-gnu/libz.so.1 $@
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@cp -L /usr/local/benchmark/iperf/lib/libiperf.so.0 $@
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@cp -L $(VDSO_DIR)/vdso64.so $@
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$(VDSO_DIR):
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@# TODO: use a custom compiled vdso.so file in the future.
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@rm -rf $@ && mkdir -p $@
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@cd $@ && git clone https://github.com/asterinas/linux_vdso.git .
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@cd $@ && git checkout 2a6d2db 2>/dev/null
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$(INITRAMFS)/lib64:
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@mkdir -p $@
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@cp -L /lib64/ld-linux-x86-64.so.2 $@
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$(INITRAMFS)/etc:
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@mkdir -p $@
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@cp $(CUR_DIR)/etc/passwd $@
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@cp $(CUR_DIR)/etc/group $@
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# Install busybox into /bin and /usr/bin.
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$(INITRAMFS)/bin:
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@mkdir -p $@
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@/bin/busybox --install -s $@
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$(INITRAMFS)/usr/bin: | $(INITRAMFS)/bin
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@mkdir -p $@
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@cp /usr/bin/busybox $@
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.PHONY: $(INITRAMFS)/regression
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$(INITRAMFS)/regression:
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@make --no-print-directory -C apps
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$(INITRAMFS)/benchmark:
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@mkdir -p $@
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@cp /usr/local/benchmark/sysbench/bin/sysbench $@
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@cp /usr/local/benchmark/iperf/bin/iperf3 $@
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@cp /usr/local/benchmark/membench/membench $@
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# Make necessary directories.
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$(INITRAMFS_EMPTY_DIRS):
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@mkdir -p $@
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.PHONY: $(SYSCALL_TEST_DIR)
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$(SYSCALL_TEST_DIR):
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@make --no-print-directory -C syscall_test
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.PHONY: $(INITRAMFS_IMAGE)
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$(INITRAMFS_IMAGE): $(INITRAMFS_FILELIST)
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@if ! cmp -s $(INITRAMFS_FILELIST) $(INITRAMFS_FILELIST).previous ; then \
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echo "Generating the initramfs image..."; \
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cp -f $(INITRAMFS_FILELIST) $(INITRAMFS_FILELIST).previous; \
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( \
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cd $(INITRAMFS); \
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# `$(INITRAMFS_FILELIST)` contains files' last modification \
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# time in the first column, and files' relative path to \
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# `$(INITRAMFS)` in the second column. This prunes the first \
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# column and passes the second column to `cpio`. \
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cut -d " " -f 2- $(INITRAMFS_FILELIST) | \
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cpio -o -H newc | gzip \
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) > $@; \
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fi
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.PHONY: $(INITRAMFS_FILELIST)
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# If the BUILD_SYSCALL_TEST variable is set, we should depend on the
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# sub make output to do incremental building.
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ifeq ($(BUILD_SYSCALL_TEST), 1)
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$(INITRAMFS_FILELIST): | $(INITRAMFS_ALL_DIRS) $(SYSCALL_TEST_DIR)
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else
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$(INITRAMFS_FILELIST): | $(INITRAMFS_ALL_DIRS)
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endif
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@(cd $(INITRAMFS); find . -printf "%T@ %p\n") > $(INITRAMFS_FILELIST)
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$(EXT2_IMAGE):
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@dd if=/dev/zero of=$(EXT2_IMAGE) bs=2G count=1
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@mke2fs $(EXT2_IMAGE)
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$(EXFAT_IMAGE):
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@fallocate -l 64M $(EXFAT_IMAGE)
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@mkfs.exfat $(EXFAT_IMAGE)
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.PHONY: build
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build: $(INITRAMFS_IMAGE) $(EXT2_IMAGE) $(EXFAT_IMAGE)
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.PHONY: format
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format:
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@make --no-print-directory -C apps format
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.PHONY: check
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check:
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@make --no-print-directory -C apps check
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.PHONY: clean
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clean:
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@rm -rf $(BUILD_DIR)
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