banan-os/kernel/Makefile

DEFAULT_HOST!=../default-host.sh
HOST?=DEFAULT_HOST
HOSTARCH!=../target-triplet-to-arch.sh $(HOST)
 
CFLAGS?=-O2 -g
CPPFLAGS?=
LDFLAGS?=
LIBS?=
 
DESTDIR?=
PREFIX?=/usr/local
EXEC_PREFIX?=$(PREFIX)
BOOTDIR?=$(EXEC_PREFIX)/boot
INCLUDEDIR?=$(PREFIX)/include
 
CFLAGS:=$(CFLAGS) -D__is_kernel -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function
CPPFLAGS:=$(CPPFLAGS)
LDFLAGS:=$(LDFLAGS)
LIBS:=$(LIBS) -nostdlib -lk -lgcc
 
ARCHDIR=arch/$(HOSTARCH)
 
include $(ARCHDIR)/make.config
 
CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS)
CPPFLAGS:=$(CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS)
LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)

BUILDDIR=$(abspath build)
 
KERNEL_OBJS=\
$(KERNEL_ARCH_OBJS) \
kernel/GDT.o \
kernel/IDT.o \
kernel/kernel.o \
kernel/kmalloc.o \
kernel/SSP.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 always clean install install-headers install-kernel
.SUFFIXES: .o .cpp .S
 
all: banan-os.kernel
 
banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld
	cd $(BUILDDIR) && $(CC) -T ../$(ARCHDIR)/linker.ld -o banan-os.kernel $(CFLAGS) $(LINK_LIST)
	cd $(BUILDDIR) && grub-file --is-x86-multiboot banan-os.kernel
 
$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
	OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $(BUILDDIR)/$@

.cpp.o:
	$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
 
.S.o:
	$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)
 
always:
	mkdir -p $(BUILDDIR)/arch/i386
	mkdir -p $(BUILDDIR)/kernel

clean:
	rm -rf $(BUILDDIR)

install: install-headers install-kernel
 
install-headers:
	mkdir -p $(DESTDIR)$(INCLUDEDIR)
	cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.
 
install-kernel: banan-os.kernel
	mkdir -p $(DESTDIR)$(BOOTDIR)
	cp $(BUILDDIR)/banan-os.kernel $(DESTDIR)$(BOOTDIR)
 
-include $(OBJS:.o=.d)
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`DEFAULT_HOST!=../default-host.sh`
			`HOST?=DEFAULT_HOST`
			`HOSTARCH!=../target-triplet-to-arch.sh $(HOST)`

			`CFLAGS?=-O2 -g`
			`CPPFLAGS?=`
			`LDFLAGS?=`
			`LIBS?=`

			`DESTDIR?=`
			`PREFIX?=/usr/local`
			`EXEC_PREFIX?=$(PREFIX)`
			`BOOTDIR?=$(EXEC_PREFIX)/boot`
			`INCLUDEDIR?=$(PREFIX)/include`

Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`CFLAGS:=$(CFLAGS) -D__is_kernel -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function`
			`CPPFLAGS:=$(CPPFLAGS)`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`LDFLAGS:=$(LDFLAGS)`
			`LIBS:=$(LIBS) -nostdlib -lk -lgcc`

			`ARCHDIR=arch/$(HOSTARCH)`

			`include $(ARCHDIR)/make.config`

			`CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS)`
			`CPPFLAGS:=$(CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)`
			`LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS)`
			`LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00
			`BUILDDIR=$(abspath build)`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
			`KERNEL_OBJS=\`
			`$(KERNEL_ARCH_OBJS) \`
Add GDT and IDT 2022-11-16 19:49:09 +02:00			`kernel/GDT.o \`
			`kernel/IDT.o \`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`kernel/kernel.o \`
kmalloc 2022-11-16 19:48:36 +02:00			`kernel/kmalloc.o \`
Fixes :) 2022-11-15 21:42:14 +02:00			`kernel/SSP.o \`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
			`OBJS=\`
			`$(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 \`

Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`.PHONY: all always clean install install-headers install-kernel`
Libc is now written in C++ 2022-11-14 00:27:11 +02:00			`.SUFFIXES: .o .cpp .S`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
			`all: banan-os.kernel`

Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld`
			`cd $(BUILDDIR) && $(CC) -T ../$(ARCHDIR)/linker.ld -o banan-os.kernel $(CFLAGS) $(LINK_LIST)`
			`cd $(BUILDDIR) && grub-file --is-x86-multiboot banan-os.kernel`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
			`$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $(BUILDDIR)/$@

Kernel is now in C++ :) 2022-11-12 21:30:26 +02:00			`.cpp.o:`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)`
Kernel is now in C++ :) 2022-11-12 21:30:26 +02:00
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`.S.o:`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`always:`
			`mkdir -p $(BUILDDIR)/arch/i386`
			`mkdir -p $(BUILDDIR)/kernel`

Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`clean:`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`rm -rf $(BUILDDIR)`

Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00			`install: install-headers install-kernel`

			`install-headers:`
			`mkdir -p $(DESTDIR)$(INCLUDEDIR)`
			`cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.`

			`install-kernel: banan-os.kernel`
			`mkdir -p $(DESTDIR)$(BOOTDIR)`
Improve buildsystem by making build directory We now create build directory for kernel and libc so that source directories are kept more clean. 2022-12-03 18:15:10 +02:00			`cp $(BUILDDIR)/banan-os.kernel $(DESTDIR)$(BOOTDIR)`
Initial commit. We have a booting kernel 2022-11-12 21:04:47 +02:00
			`-include $(OBJS:.o=.d)`