Sync/makefile

DEFAULT_HOST:=i686-elf
HOST?=DEFAULT_HOST
HOSTARCH:=i386

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

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

CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra
CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude
LDFLAGS:=$(LDFLAGS)
LIBS:=$(LIBS) -nostdlib -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)

KERNEL_OBJS=           \
$(KERNEL_ARCH_OBJS)    \
kernel/utils.o         \
kernel/serial.o        \
kernel/gdt.o           \
kernel/idt.o           \
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: red.kernel

red.kernel: $(OBJS) $(ARCHDIR)/linker.ld
	$(CC) -T $(ARCHDIR)/linker.ld -o $@ $(CFLAGS) $(LINK_LIST)

$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
	OBJ=`$(CC) $(CFLAGS)  $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $@
	
$(ARCHDIR)/gdt.o:
	nasm -f elf $(ARCHDIR)/gdt.s
		
.c.o:
	$(CC) -MD -c $< -o $@ -std=gnu11 $(CFLAGS) $(CPPFLAGS)
.s.o:
	$(CC) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)
		
clean:
	rm -f red.kernel
	rm -f $(OBJS) *.o */*.o */*/*.o
	rm -f $(OBJS:.o=.d) *.d */*.d */*/*.d

install: install-headers install-kernel gen-iso

install-headers:
	mkdir -p $(DESTDIR)$(INCLUDEDIR)
	cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.
	
install-kernel: red.kernel
	mkdir -p $(DESTDIR)$(BOOTDIR)
	cp red.kernel $(DESTDIR)$(BOOTDIR)
	
gen-iso: 
	rm -f red.iso 
	cp red.kernel iso/boot/kernel.elf 
	genisoimage -R                    \
		-b boot/grub/stage2_eltorito  \
		-no-emul-boot                 \
		-A ProjectRED                 \
		-input-charset utf8           \
		-quiet                        \
		-boot-info-table              \
		-o red.iso                    \
		iso
	
-include $(OBJS:.o=.d)
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`DEFAULT_HOST:=i686-elf`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00			`HOST?=DEFAULT_HOST`
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`HOSTARCH:=i386`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00
			`CFLAGS?= -O2 -g`
			`CPPFLAGS?=`
			`LDFLAGS?=`
			`LIBS?=`

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

			`CFLAGS:=$(CFLAGS) -ffreestanding -Wall -Wextra`
			`CPPFLAGS:=$(CPPFLAGS) -D__is_kernel -Iinclude`
			`LDFLAGS:=$(LDFLAGS)`
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`LIBS:=$(LIBS) -nostdlib -lgcc`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00
			`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)`

Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`KERNEL_OBJS= \`
			`$(KERNEL_ARCH_OBJS) \`
			`kernel/utils.o \`
Implement Serial Console messaging. Intended to be used for debugging, but it's useful. 2019-04-07 14:34:15 +00:00			`kernel/serial.o \`
Begin support for Global Descriptor Tables 2019-04-06 19:00:11 +00:00			`kernel/gdt.o \`
Implemented IDT But something's wrong with the GDT Next up is a Serial Console 2019-04-07 12:16:53 +00:00			`kernel/idt.o \`
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`kernel/kernel.o`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00
			`OBJS=\`
			`$(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`

			`.PHONY: all clean install install-headers install-kernel`
			`.SUFFIXES: .o .c .s`

			`all: red.kernel`

			`red.kernel: $(OBJS) $(ARCHDIR)/linker.ld`
			`$(CC) -T $(ARCHDIR)/linker.ld -o $@ $(CFLAGS) $(LINK_LIST)`

			`$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:`
			OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $@
Fix GDT subroutine Also made some type changes in serial.h 2019-04-07 15:36:51 +00:00
			`$(ARCHDIR)/gdt.o:`
			`nasm -f elf $(ARCHDIR)/gdt.s`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00
			`.c.o:`
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`$(CC) -MD -c $< -o $@ -std=gnu11 $(CFLAGS) $(CPPFLAGS)`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00			`.s.o:`
			`$(CC) -MD -c $< -o $@ $(CFLAGS) $(CPPFLAGS)`

			`clean:`
			`rm -f red.kernel`
Initial update - fixed broken files, dependencies on outside libraries, \nThe system will now compile under 'make all', and no errors are thrown.\nThe system itself hasn't been tested, yet. Here goes... 2019-04-01 11:21:00 +00:00			`rm -f $(OBJS) .o /.o //.o`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00			`rm -f $(OBJS:.o=.d) .d /.d //.d`

			`install: install-headers install-kernel gen-iso`

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

			`install-kernel: red.kernel`
			`mkdir -p $(DESTDIR)$(BOOTDIR)`
			`cp red.kernel $(DESTDIR)$(BOOTDIR)`

			`gen-iso:`
Update system to minimum working status 2019-04-01 11:46:40 +00:00			`rm -f red.iso`
			`cp red.kernel iso/boot/kernel.elf`
			`genisoimage -R \`
			`-b boot/grub/stage2_eltorito \`
			`-no-emul-boot \`
			`-A ProjectRED \`
			`-input-charset utf8 \`
			`-quiet \`
			`-boot-info-table \`
			`-o red.iso \`
First upload. Libc incomplete. 2019-04-01 01:18:48 +00:00			`iso`

			`-include $(OBJS:.o=.d)`
Begin support for Global Descriptor Tables 2019-04-06 19:00:11 +00:00