Files
os/kernel/Makefile
T
2024-01-19 12:49:07 +02:00

78 lines
1.5 KiB
Makefile

CFLAGS?=-O2 -g
CPPFLAGS?=
LDFLAGS?=
LIBS?=
DESTDIR?=
PREFIX?=/usr/local
EXEC_PREFIX?=$(PREFIX)
BOOTDIR?=$(PREFIX)
INCLUDEDIR?=$(PREFIX)/include
CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude
LDFLAGS:=$(LDFLAGS)
LIBS:=$(LIBS) -nostdlib -lk -lgcc
HOSTARCH?=i386
ARCHDIR=arch/$(HOSTARCH)
KERNEL_ARCH_OBJS=\
$(ARCHDIR)/boot.o \
$(ARCHDIR)/page_enable.o \
$(ARCHDIR)/paging.o \
$(ARCHDIR)/tty.o \
KERNEL_OBJS=\
$(KERNEL_ARCH_OBJS) \
kernel/kernel.o \
OBJS=\
$(ARCHDIR)/crti.o \
$(ARCHDIR)/crtbegin.o \
$(KERNEL_OBJS) \
$(ARCHDIR)/crtend.o \
$(ARCHDIR)/crtn.o \
LINK_LIST=\
$(LDFLAGS) \
$(ARCHDIR)/crti.o \
$(ARCHDIR)/crtbegin.o \
$(KERNEL_OBJS) \
$(LIBS) \
$(ARCHDIR)/crtend.o \
$(ARCHDIR)/crtn.o \
.PHONY: all clean install install-headers install-kernel
.SUFFIXES: .o .c .s
all: deros.kernel
deros.kernel: $(OBJS) $(ARCHDIR)/linker.ld
$(CC) -T $(ARCHDIR)/linker.ld -o $@ $(CFLAGS) $(LINK_LIST)
grub-file --is-x86-multiboot deros.kernel
$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $@
.s.o:
$(AS) $< -o $@
.c.o:
$(CC) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
clean:
rm -f deros.kernel
rm -f $(ARCHDIR)/*.{o,d}
rm -f kernel/*.{o,d}
install: install-headers install-kernel
install-headers:
mkdir -p $(DESTDIR)$(INCLUDEDIR)
cp -r include/. $(DESTDIR)$(INCLUDEDIR)/.
install-kernel: deros.kernel
mkdir -p $(DESTDIR)$(BOOTDIR)
cp deros.kernel $(DESTDIR)$(BOOTDIR)