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Fix dependencies of initramfs

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This commit is contained in:
Ruihan Li
2024-02-29 23:44:41 +08:00
committed by Tate, Hongliang Tian
parent c15eb2299b
commit 4eff679eac
3 changed files with 34 additions and 17 deletions
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36
regression/Makefile
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@ -5,9 +5,9 @@ CUR_DIR := $(patsubst %/,%,$(dir $(MKFILE_PATH)))
BUILD_DIR := $(CUR_DIR)/build
VDSO_DIR := $(BUILD_DIR)/linux_vdso
INITRAMFS := $(BUILD_DIR)/initramfs
INITRAMFS_FILELIST := $(BUILD_DIR)/initramfs.filelist
INITRAMFS_IMAGE := $(BUILD_DIR)/initramfs.cpio.gz
EXT2_IMAGE := $(BUILD_DIR)/ext2.img
SHELL := /bin/bash
INITRAMFS_EMPTY_DIRS := \
$(INITRAMFS)/sbin \
$(INITRAMFS)/root \
@ -25,11 +25,12 @@ INITRAMFS_ALL_DIRS := \
$(INITRAMFS)/regression \
$(INITRAMFS)/benchmark \
$(INITRAMFS_EMPTY_DIRS)
SYSCALL_TEST_DIR := $(INITRAMFS)/opt/syscall_test
.PHONY: all
all: build
$(INITRAMFS)/lib/x86_64-linux-gnu: $(VDSO_DIR)
$(INITRAMFS)/lib/x86_64-linux-gnu: | $(VDSO_DIR)
@mkdir -p $@
@cp -L /lib/x86_64-linux-gnu/libc.so.6 $@
@cp -L /lib/x86_64-linux-gnu/libstdc++.so.6 $@
@ -64,11 +65,11 @@ $(INITRAMFS)/bin:
@mkdir -p $@
@/bin/busybox --install -s $@
$(INITRAMFS)/usr/bin: $(INITRAMFS)/bin
$(INITRAMFS)/usr/bin: | $(INITRAMFS)/bin
@mkdir -p $@
@cp /usr/bin/busybox $@
# Copy from apps.
.PHONY: $(INITRAMFS)/regression
$(INITRAMFS)/regression:
@make --no-print-directory -C apps
@ -82,18 +83,35 @@ $(INITRAMFS)/benchmark:
$(INITRAMFS_EMPTY_DIRS):
@mkdir -p $@
$(INITRAMFS)/opt/syscall_test:
.PHONY: $(SYSCALL_TEST_DIR)
$(SYSCALL_TEST_DIR):
@make --no-print-directory -C syscall_test
.PHONY: $(INITRAMFS_IMAGE)
$(INITRAMFS_IMAGE): $(INITRAMFS_FILELIST)
@if ! cmp -s $(INITRAMFS_FILELIST) $(INITRAMFS_FILELIST).previous ; then \
echo "Generating the initramfs image..."; \
cp -f $(INITRAMFS_FILELIST) $(INITRAMFS_FILELIST).previous; \
( \
cd $(INITRAMFS); \
# `$(INITRAMFS_FILELIST)` contains files' last modification \
# time in the first column, and files' relative path to \
# `$(INITRAMFS)` in the second column. This prunes the first \
# column and passes the second column to `cpio`. \
cut -d " " -f 2- $(INITRAMFS_FILELIST) | \
cpio -o -H newc | gzip \
) > $@; \
fi
.PHONY: $(INITRAMFS_FILELIST)
# If the BUILD_SYSCALL_TEST variable is set, we should depend on the
# sub make output to do incremental building.
ifeq ($(BUILD_SYSCALL_TEST), 1)
$(INITRAMFS_IMAGE): $(INITRAMFS_ALL_DIRS) $(INITRAMFS)/opt/syscall_test
$(INITRAMFS_FILELIST): | $(INITRAMFS_ALL_DIRS) $(SYSCALL_TEST_DIR)
else
$(INITRAMFS_IMAGE): $(INITRAMFS_ALL_DIRS)
$(INITRAMFS_FILELIST): | $(INITRAMFS_ALL_DIRS)
endif
@echo "Generating the initramfs image..."
@(cd $(INITRAMFS); find . | cpio -o -H newc | gzip) > $@
@(cd $(INITRAMFS); find . -printf "%T@ %p\n") > $(INITRAMFS_FILELIST)
$(EXT2_IMAGE):
@dd if=/dev/zero of=$(EXT2_IMAGE) bs=2G count=1