// -*- Mode: Makefile -*-

//----------------------------------------------------------------------------//
//                           GNU GPL OS/K                                     //
//                                                                            //
//  Desc:       Project Makefile                                              //
//                                                                            //
//                                                                            //
//  Copyright © 2018-2019 The OS/K Team                                       //
//                                                                            //
//  This file is part of OS/K.                                                //
//                                                                            //
//  OS/K is free software: you can redistribute it and/or modify              //
//  it under the terms of the GNU General Public License as published by      //
//  the Free Software Foundation, either version 3 of the License, or         //
//  any later version.                                                        //
//                                                                            //
//  OS/K is distributed in the hope that it will be useful,                   //
//  but WITHOUT ANY WARRANTY//without even the implied warranty of            //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             //
//  GNU General Public License for more details.                              //
//                                                                            //
//  You should have received a copy of the GNU General Public License         //
//  along with OS/K.  If not, see <https://www.gnu.org/licenses/>.            //
//----------------------------------------------------------------------------//

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

CCNAME="/opt/cross-cc/bin/x86_64-elf-gcc"
CC2NAME=gcc
COPTIM=-O2
CWARNS=-Wall -Wextra -Werror=implicit-function-declaration
CINCLUDES=-Ikaleid/include

CFLAGS1=-nostdlib -ffreestanding -mcmodel=large // -std=gnu11
CFLAGS2=_ASMTYPE -mno-red-zone -mno-mmx -mno-sse -mno-sse2
CFLAGS=$(CFLAGS1) $(CFLAGS2)

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

BINDIR=build/bin
OBJDIR=build/obj

BOOTDIR=boot
COMMDIR=kaleid/crtlib
KERNDIR=kaleid/kernel
SYSTDIR=kaleid/system
LINXDIR=kaleid/test

//----------------------------------------------------------------------------#
// 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=COBJ6(string, status, rand, memory, arith, strtol) COBJ4(itoa, ltoa, utoa, ultoa) COBJ4(atoi, atol, atou, atoul) COBJ2(../extras/prog, ../extras/argv)

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

comm-convert:
	COMPILE_CONVRT1(itoa)  -D_NEED_ITOA
	COMPILE_CONVRT1(ltoa)  -D_NEED_LTOA
	COMPILE_CONVRT1(utoa)  -D_NEED_UTOA
	COMPILE_CONVRT1(ultoa) -D_NEED_ULTOA
	COMPILE_CONVRT2(atoi)  -D_NEED_ATOI
	COMPILE_CONVRT2(atol)  -D_NEED_ATOL
	COMPILE_CONVRT2(atou)  -D_NEED_ATOU
	COMPILE_CONVRT2(atoul) -D_NEED_ATOUL

common: comm-convert
	COMPILE_COMMON(rand)
	COMPILE_COMMON(arith)
	COMPILE_COMMON(string)
	COMPILE_COMMON(status)
	COMPILE_COMMON(memory) -fno-strict-aliasing
	COMPILE_COMMON(strtol)
	COMPILE_COMMON(../extras/prog)
	COMPILE_COMMON(../extras/argv)

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

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

KOBJDIR=$(OBJDIR)/$(KERNDIR)

KERNOBJS=KOBJ6(init/init, init/table, ke/panic, io/term, io/cursor, io/vga)

kernel: common
	COMPILE_KERNEL(init/init)
	COMPILE_KERNEL(init/table)
	COMPILE_KERNEL(ke/panic)
	COMPILE_KERNEL(io/cursor)
	COMPILE_KERNEL(io/term)
	COMPILE_KERNEL(io/vga)
	LINK_KERNEL(kaleid-kernel.elf)

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