Loader moved into new build workflow

.gitignore

@@ -9,3 +9,4 @@ rand/
 COM1.out
 bx_enh_dbg.ini
 .vscode/
+build/

loader/main.s

@@ -1,4 +1,4 @@
-; since we have no stack we have to create one for the OS
+; Since we have no stack we have to create one for the OS
 
 global loader
 
@@ -7,7 +7,7 @@ MAGIC_NUMBER 	equ 0x1BADB002
 FLAGS 			equ 0x0
 CHECKSUM 		equ -MAGIC_NUMBER
 
-extern kmain
+; extern kmain
 
 section .text
 ; align all instructions to 4 byte boundary by the x86 instruction set law
@@ -19,11 +19,13 @@ align 4
 
 ; sets up our gdt and segment selectors for later use
 	
-loader:
-	call kmain
+;loader:
+;	call kmain
 
+loader:
     .loop:
         mov eax, 0xfeedbeef
         jmp .loop
         mov eax, 0xfeedbeef
 
+

makefile

@@ -3,19 +3,21 @@ ASM=nasm
 LINK=ld
 ISO=genisoimage
 
-OBJECTS=mem.o kernel.o gdt_seg.o gdt.o interrupts.o loader.o serial.o \
-		framebuffer.o ports.o stlio.o tests.o interrupt_entry.o pit.o kbd.o\
-		shell.o
+BUILD_DIR=build
+
+COMPONENTS=loader
+# Rebuild the components var to be usable in recipes
+OBJECTS := $(addprefix build/,$(addsuffix .o,$(COMPONENTS)))
 
 AFLAGS=-f elf32
 CFLAGS=-masm=intel -O2 -m32 -nostdlib -nostdinc -fno-builtin -fno-stack-protector -nostartfiles \
 		-nodefaultlibs -Wall -Wextra -c #-Werror -c
 
-all: kernel.elf
+compile: kernel.elf
 
 # Link objects together to produce the kernel object
-kernel.elf: $(OBJECTS)
-	$(LINK) -T link.ld -melf_i386 $(OBJECTS) -o kernel.elf
+kernel.elf: $(COMPONENTS)
+	$(LINK) -T link.ld -melf_i386 $(OBJECTS) -o build/$@
 
 # Builds image of our os
 jos.iso: kernel.elf
@@ -30,17 +32,15 @@ jos.iso: kernel.elf
 		-o jos.iso                       \
 		iso
 
-# Builind asm objects
-%.o: %.s
-	$(ASM) $(AFLAGS) $< -o $@
+# Components which make up the  OS
+loader: loader/main.s
+	$(ASM) $(AFLAGS) $< -o $(BUILD_DIR)/$@.o
 
-# Building C objecets
-%.o: %.c
-	$(CC) $(CFLAGS) $< -o $@
 
 # Running (no recipes called) 
 run: jos.iso
 	bochs -f bochsrc.conf -q 
 
 clean:
+	rm -f build/*
 	rm -rf *.o kernel.elf jos.iso bochslog.txt