From 95cd78840f0891e60f5ebecc8a8eb4fbaf3c2ebf Mon Sep 17 00:00:00 2001
From: Danny Holman <dholman@gymli.org>
Date: Sun, 12 Jan 2025 01:17:36 -0600
Subject: PROJECT RESTRUCTURING

Move the entire kernel into its own directory. Create new directories
for system commands, libraries and other required essentials for a
complete Unix-like operating system.

Signed-off-by: Danny Holman <dholman@gymli.org>
---
 Makefile | 116 ++++++++++-----------------------------------------------------
 1 file changed, 18 insertions(+), 98 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 5525936..50d1fc5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,110 +1,30 @@
-INCLUDE?=-Iinclude
-CFLAGS?=-O0 -ffreestanding -std=gnu11
-LDFLAGS?=-nostdlib
-LIBS?=-lgcc
-ARCH?=i386
+ARCH?=x86
+DESTDIR?=base-system
+PREFIX?=/usr
 
 # -- Do not edit below this line --
 
-CC:=i686-elf-gcc
 VERSION:="$(shell git describe --abbrev=4 --dirty --always --tags)"
-INCLUDE:=$(INCLUDE)
-CFLAGS:=$(CFLAGS) -Wall -Wextra -DVERSION=\"$(VERSION)\" -ggdb -fstack-protector-all
-LDFLAGS:=$(LDFLAGS)
-LIBS:=$(LIBS)
 ARCH:=$(ARCH)
+DESTDIR:=base-system/
+PREFIX:=/usr/
+export ARCH VERSION PREFIX
 
-ARCHDIR=arch/$(ARCH)
+SUBDIRS:=kernel \
+	 bin \
+	 lib \
+	 sbin \
+	 usr.sbin \
 
-include $(ARCHDIR)/make.config
+.PHONY: all clean install install-headers $(SUBDIRS)
 
-CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS)
-LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS)
-LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)
+all: $(SUBDIRS)
 
-KERNEL=vmbox
+subdirs: $(SUBDIRS)
 
-LIBK_OBJS=libk/string.o \
-	  libk/io.o \
-	  libk/stack_protector.o \
-	  libk/ubsan.o \
+$(SUBDIRS):
+	$(MAKE) $(MAKECMDGOALS) -C $@
 
-KERNEL_OBJS=$(KERNEL_ARCH_OBJS) \
-	    kernel/init.o \
-	    kernel/panic.o \
-	    kernel/vfs.o \
-	    kernel/sched.o \
-	    kernel/kthread.o \
+clean: $(SUBDIRS)
 
-DRIVER_OBJS=drivers/video/framebuffer.o \
-	    drivers/input/keyboard.o \
-	    drivers/pci/pci.o \
-	    drivers/pci/ide.o \
-	    drivers/tty/tty_vga.o \
-
-OBJS=$(ARCHDIR)/boot/crti.o \
-     $(ARCHDIR)/crtbegin.o \
-     $(KERNEL_OBJS) \
-     $(DRIVER_OBJS) \
-     $(LIBK_OBJS) \
-     $(ARCHDIR)/crtend.o \
-     $(ARCHDIR)/boot/crtn.o \
-
-LINK_LIST=$(LDFLAGS) \
-	  $(KERNEL_OBJS) \
-	  $(DRIVER_OBJS) \
-	  $(LIBK_OBJS) \
-	  $(LIBS) \
-
-.PHONY: all clean install install-headers install-kernel
-.SUFFIXES: .o .c .s
-
-all: $(KERNEL)
-
-$(KERNEL): $(OBJS) $(ARCHDIR)/linker.ld
-	@$(CC) -T $(ARCHDIR)/linker.ld -o $@ $(LINK_LIST)
-	@echo [LD] $@
-
-$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
-	@OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $@
-
-.c.o:
-	@$(CC) -MD -c $< -o $@ $(CFLAGS) $(INCLUDE)
-	@echo [CC] $@
-
-.s.o:
-	@$(CC) -MD -c $< -o $@ $(CFLAGS) $(INCLUDE)
-	@echo [AS] $@
-
-clean:
-	$(RM) $(KERNEL)
-	$(RM) $(OBJS) *.o */*.o */*/*.o
-	$(RM) $(OBJS:.o=.d) *.d */*.d */*/*.d
-
-install: install-headers install-kernel
-
-install-headers:
-	mkdir -p $(DESTDIR)$(INCLUDEDIR)
-	cp -R --preserve-timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.
-
-install-kernel: $(KERNEL)
-	mkdir -p $(DESTDIR)$(BOOTDIR)
-	cp $(KERNEL) $(DESTDIR)$(BOOTDIR)
-
-install-disk: $(KERNEL)
-	rm a.img
-	bximage -q -func=create -fd=1.44M a.img
-	mkdosfs a.img
-	syslinux -i a.img
-	mcopy -i a.img img/libcom32.c32 ::libcom32.c32
-	mcopy -i a.img img/mboot.c32 ::mboot.c32
-	mcopy -i a.img img/syslinux.cfg ::syslinux.cfg
-	mcopy -i a.img vmbox ::vmbox
-
-run: $(KERNEL)
-	qemu-system-i386 -kernel $(KERNEL) -serial stdio -m 1G -drive file=a.img,format=raw -append "root=/dev/sda init=/bin/sh"
-
-debug: $(KERNEL)
-	qemu-system-i386 -kernel $(KERNEL) -s -S -m 1G -drive file=a.img,format=raw -append "root=/dev/sda init=/bin/sh" &
-
--include $(OBJS:.o=.d)
+install: $(SUBDIRS)
-- 
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