//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Authors:    spectral`                                                     //
//              NeoX                                                          //
//                                                                            //
//  Desc:       Project Makefile                                              //
//----------------------------------------------------------------------------//

// The madman's Makefile
#include "preproc.h"

CCNAME="/opt/cross-cc/bin/x86_64-elf-gcc"
CC2NAME=gcc
COPTIM=-O2
CLDSCR=-T kernel.ld
CWARNS=-pedantic -Wall -Wextra -Werror
CINCLUDES=-isystem./kaleid/include
CDEFINES=

CFLAGS1=-nostdlib -ffreestanding -mcmodel=large
CFLAGS2=-mno-red-zone -mno-mmx -mno-sse -mno-sse2
CFLAGS=$(CFLAGS1) $(CFLAGS2) $(SFLAG)

CC=$(CCNAME) $(COPTIM) $(CWARNS) $(CFLAGS) $(CDEFINES) $(CINCLUDES)

ASM=nasm
ASMFLAGS=
BOOTFLAGS=-f bin

BINDIR=../bin
OBJDIR=../obj

BOOTDIR=boot
COMMDIR=kaleid/common
KERNDIR=kaleid/kernel
SYSTDIR=kaleid/system
LINXDIR=kaleid/common/test
INCDIR=kaleid/include

all: bootloader kernel

boot.mbr.s: $(BOOTDIR)/mbr.s $(BOOTDIR)/mbr.inc
	$(ASM) $(BOOTFLAGS) $(BOOTDIR)/mbr.s -o $(OBJDIR)/boot/mbr.bin

boot.loader.s: $(BOOTDIR)/loader.s
	$(ASM) $(BOOTFLAGS) $(BOOTDIR)/loader.s -o $(OBJDIR)/boot/loader.bin

bootloader: boot.mbr.s boot.loader.s
	cp $(OBJDIR)/boot/mbr.bin $(BINDIR)/mbr.bin
	cp $(OBJDIR)/boot/loader.bin $(BINDIR)/loader.bin
    
//----------------------------------------------------------------------------#
// TESTING MAKEFILE

pseudo_kern:
	$(ASM) $(BOOTFLAGS) $(BOOTDIR)/pseudo_kernel.s -o $(OBJDIR)/boot/pkernel.bin

testing: bootloader pseudo_kern
	cat $(BINDIR)/bootloader.bin $(OBJDIR)/boot/pkernel.bin > $(BINDIR)/boot.bin

//----------------------------------------------------------------------------#
// COMMON MAKEFILE

COBJDIR=$(OBJDIR)/$(COMMDIR)
LOBJDIR=$(OBJDIR)/$(LINXDIR)

COMMOBJS=COBJ5(string,status,rand,memory,arith) COBJ4(itoa,ltoa,utoa,ultoa)

TCC=$(CC2NAME) $(COPTIM) $(CWARNS) $(CINCLUDES)
KCC=$(CC) -D_OSK_SOURCE -D_KALEID_KERNEL

comm-convert:
	COMPILE_CONVRT(itoa)  -D_NEED_ITOA
	COMPILE_CONVRT(ltoa)  -D_NEED_LTOA
	COMPILE_CONVRT(utoa)  -D_NEED_UTOA
	COMPILE_CONVRT(ultoa) -D_NEED_ULTOA

common: comm-convert
	COMPILE_COMMON(rand)
	COMPILE_COMMON(arith)
	COMPILE_COMMON(string)
	COMPILE_COMMON(status)
	COMPILE_COMMON(memory)

tests: common
	$(TCC) -c $(LINXDIR)/test-common.c -o $(LOBJDIR)/test-common.o
	$(TCC) $(COMMOBJS) $(LOBJDIR)/test-common.o -o $(BINDIR)/kaleid-common.elf

//----------------------------------------------------------------------------#
// KERNEL MAKEFILE

KOBJDIR=$(OBJDIR)/$(KERNDIR)

KERNOBJS=KOBJ5(init,ke/lock,ke/panic,ke/state,io/ports) KOBJ1(io/terminal)

kernel: common
	COMPILE_KERNEL(init)
	COMPILE_KERNEL(ke/lock)
	COMPILE_KERNEL(ke/state)
	COMPILE_KERNEL(ke/panic)
	COMPILE_KERNEL(io/ports)
	COMPILE_KERNEL(io/terminal)
	LINK_KERNEL(kaleid-kernel.elf)

//----------------------------------------------------------------------------#