Not working, saving for today

.gitmodules

@@ -3,3 +3,7 @@
 	path = linux/kernel
     url = https://github.com/torvalds/linux.git
     shallow = true
+[submodule "linux/busybox"]
+	path = linux/busybox
+    url = https://git.busybox.net/busybox/
+    shallow = true

Makefile

@@ -1,19 +1,27 @@
 MAKEFILE_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
 
 BUILD_DIR ?= $(MAKEFILE_DIR)build
-ARCH ?= x86
+ARCH ?= x86_64
 KERNEL_FILE_NAME ?= bzImage
+INITRAMFS_FILE = $(BUILD_DIR)/linux/initramfs.cpio
+KERNEL_FILE = $(BUILD_DIR)/linux/kernel/arch/$(ARCH)/boot/$(KERNEL_FILE_NAME)
 
 export BUILD_DIR
 export ARCH
 export KERNEL_FILE_NAME
 
 kernel: 
-	$(MAKE) -C $(MAKEFILE_DIR)/linux
+	$(MAKE) -C $(MAKEFILE_DIR)/linux kernel
+
+initramfs:
+	$(MAKE) -C $(MAKEFILE_DIR)/linux initramfs -B
+
 
 kernel-config:
 	$(MAKE) -C $(MAKEFILE_DIR)/linux kernel-config
 
+qemu:
+	qemu-system-x86_64 -kernel $(KERNEL_FILE) -initrd $(INITRAMFS_FILE) -append "rdinit=/usr/sbin/init console=ttyS0" -serial mon:stdio
 
 
 clean:

linux/Makefile

@@ -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
+
 

linux/busybox

@@ -0,0 +1 @@
+Subproject commit b99a529177b4adbe3b3f5a86f46b9cf386d4cbe4