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Gvidas Juknevičius
2025-11-02 22:01:36 +02:00
parent ac442e9f7c
commit 17c7e1d431
7 changed files with 6796 additions and 5 deletions
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55
linux/Makefile
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@@ -7,12 +7,61 @@ KERNEL_FILE_NAME ?= bzImage
KERNEL_PATH = $(BUILD_DIR)/arch/$(ARCH)/boot/$(bzImage)
KERNEL_BUILD_DIR=$(BUILD_DIR)/linux/kernel
all: $(KERNEL_PATH)
BUSYBOX_BUILD_DIR=$(BUILD_DIR)/linux/busybox
BUSYBOX_BUILD_FILE=$(BUSYBOX_BUILD_DIR)/busybox
INITRAMFS_DIR=$(BUILD_DIR)/linux/initramfs
INITRAMFS_FILE_TMP=$(BUILD_DIR)/linux/initramfs.cpio
INITRAMFS_FILE=$(BUILD_DIR)/linux/initramfs.cpio.gz
.PHONY: initramfs initramfs_initiial initramfs_clean busybox all kernel __busybox_install
all: $(INITRAMFS_FILE)
initramfs:initramfs_clean initramfs_initiial __busybox_install $(INITRAMFS_FILE)
kernel: $(KERNEL_PATH)
busybox: $(BUSYBOX_BUILD_FILE)
$(KERNEL_PATH):
@mkdir -p $(KERNEL_BUILD_DIR)
$(MAKE) -C $(MAKEFILE_DIR)/kernel O=$(KERNEL_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.config"
$(MAKE) -C $(MAKEFILE_DIR)/kernel O=$(KERNEL_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.kernel-config"
kernel-config:
$(MAKE) -C $(MAKEFILE_DIR)/kernel O=$(KERNEL_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.config" menuconfig
$(MAKE) -C $(MAKEFILE_DIR)/kernel O=$(KERNEL_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.kernel-config" menuconfig
$(BUSYBOX_BUILD_FILE):
@mkdir -p $(BUSYBOX_BUILD_DIR)
cp $(MAKEFILE_DIR)/.busybox-config $(BUSYBOX_BUILD_DIR)/.config
$(MAKE) -C $(MAKEFILE_DIR)/busybox O=$(BUSYBOX_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.busybox-config"
__busybox_install:
$(MAKE) -C $(MAKEFILE_DIR)/busybox O=$(BUSYBOX_BUILD_DIR) KCONFIG_CONFIG="$(MAKEFILE_DIR)/.busybox-config" CONFIG_PREFIX=$(INITRAMFS_DIR) install
$(INITRAMFS_FILE): initramfs_clean initramfs_initiial __busybox_install
find $(INITRAMFS_DIR) | cpio -o -H newc > $(INITRAMFS_FILE_TMP)
# gzip -f $(INITRAMFS_FILE_TMP)
initramfs_clean:
@rm -rf $(INITRAMFS_DIR)
initramfs_initiial: #$(BUSYBOX_BUILD_FILE)
mkdir -p $(INITRAMFS_DIR)
mkdir -p $(INITRAMFS_DIR)/{etc,mnt,proc,run,srv,tmp,var,boot,dev,home,media,opt,root,sbin,sys,usr/bin,usr/lib}
bash -c "pushd $(INITRAMFS_DIR); ln -s usr/bin bin; popd"
bash -c "pushd $(INITRAMFS_DIR); ln -s usr/lib lib; popd"
echo "#!/bin/sh" >> $(INITRAMFS_DIR)/init
echo "mount -t proc none /proc" >> $(INITRAMFS_DIR)/init
echo "mount -t sysfs none /sys" >> $(INITRAMFS_DIR)/init
echo "echo 'Successfully booted'" >> $(INITRAMFS_DIR)/init
echo "exec /bin/sh" >> $(INITRAMFS_DIR)/init
chmod +x $(INITRAMFS_DIR)/init
chmod +x $(INITRAMFS_DIR)/sbin/init