Pascal Bare Bones: Difference between revisions

=== Alternative compiling: Makefile ===

Accumulating the lines from previous part we can make a '''Makefile''':

<source lang="bash">

# Freepascal BareboneOS

# Makefile

# 2019

# by: furaidi <iluatitok@gmail.com>

# License: Public domain

NASMPARAMS = -f elf32 -o stub.o

LDPARAMS = -A elf-i386 --gc-sections -s -Tlinker.script -o kernel.obj

TMPISO = iso

TMPBOOT = $(TMPISO)/boot

TMPGRUB = $(TMPBOOT)/grub

TMPCFG = $(TMPGRUB)/grub.cfg

objects = stub.o kernel.o multiboot.o console.o system.o

_FPC:

# Compile kernel

fpc $(FPCPARAMS) kernel.pas

_NASM:

# Compile stub

nasm $(NASMPARAMS) stub.asm

_LD:

# Link them together

i686-elf-ld $(LDPARAMS) $(objects)

all: _FPC _NASM _LD

install:

mkdir $(TMPISO)

mkdir $(TMPBOOT)

mkdir $(TMPGRUB)

cp kernel.obj $(TMPBOOT)/kernel.obj

echo 'set timeout=0' > $(TMPCFG)

echo 'set default =0' >> $(TMPCFG)

echo '' >> $(TMPCFG)

echo 'menuentry "Pascal Bare" {' >> $(TMPCFG)

echo ' multiboot /boot/kernel.obj' >> $(TMPCFG)

echo ' boot' >> $(TMPCFG)

echo '}' >> $(TMPCFG)

grub-mkrescue --output=pascal-kernel.iso $(TMPISO)

rm -rf $(TMPISO)

clean:

rm -rf $(TMPISO)

rm -f *.o

rm -f *.ppu

</source>