215 lines
5.8 KiB
Makefile
215 lines
5.8 KiB
Makefile
ifeq ($(TOOLCHAIN),)
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ifeq ($(shell util/check.sh),y)
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export PATH := $(shell util/activate.sh)
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else
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FOO := $(shell util/prompt.sh)
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ifeq ($(shell util/check.sh),y)
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export PATH := $(shell util/activate.sh)
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else
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$(error "No toolchain, and you did not ask to build it.")
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endif
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endif
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endif
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# Prevents Make from removing intermediary files on failure
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.SECONDARY:
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# Disable built-in rules
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.SUFFIXES:
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TARGET_TRIPLET=i686-pc-toaru
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# Userspace flags
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CC=$(TARGET_TRIPLET)-gcc
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AR=$(TARGET_TRIPLET)-ar
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CFLAGS= -O3 -g -std=gnu99 -I. -Iapps -pipe -mfpmath=sse -mmmx -msse -msse2 -fplan9-extensions -Wall -Wextra -Wno-unused-parameter
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LIBC_OBJS = $(patsubst %.c,%.o,$(wildcard libc/*.c))
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LIBC_OBJS += $(patsubst %.c,%.o,$(wildcard libc/*/*.c))
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LC=base/lib/libc.so
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APPS=$(patsubst apps/%.c,%,$(wildcard apps/*.c))
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APPS_X=$(foreach app,$(APPS),base/bin/$(app))
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APPS_Y=$(foreach app,$(filter-out init,$(APPS)),.make/$(app).mak)
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LIBS=$(patsubst lib/%.c,%,$(wildcard lib/*.c))
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LIBS_X=$(foreach lib,$(LIBS),base/lib/libtoaru_$(lib).so)
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LIBS_Y=$(foreach lib,$(LIBS),.make/$(lib).lmak)
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all: image.iso
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# Kernel / module flags
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KCC = $(TARGET_TRIPLET)-gcc
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KAS = $(TARGET_TRIPLET)-as
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KLD = $(TARGET_TRIPLET)-ld
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KNM = $(TARGET_TRIPLET)-nm
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KCFLAGS = -O2 -std=c99
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KCFLAGS += -finline-functions -ffreestanding
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KCFLAGS += -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-format
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KCFLAGS += -pedantic -fno-omit-frame-pointer
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KCFLAGS += -D_KERNEL_
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KCFLAGS += -DKERNEL_GIT_TAG=$(shell util/make-version)
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KASFLAGS = --32
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KERNEL_OBJS = $(patsubst %.c,%.o,$(wildcard kernel/*.c))
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KERNEL_OBJS += $(patsubst %.c,%.o,$(wildcard kernel/*/*.c))
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KERNEL_OBJS += $(patsubst %.c,%.o,$(wildcard kernel/*/*/*.c))
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KERNEL_ASMOBJS = $(filter-out kernel/symbols.o,$(patsubst %.S,%.o,$(wildcard kernel/*.S)))
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# Kernel
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cdrom/kernel: ${KERNEL_ASMOBJS} ${KERNEL_OBJS} kernel/symbols.o
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${KCC} -T kernel/link.ld ${KCFLAGS} -nostdlib -o $@ ${KERNEL_ASMOBJS} ${KERNEL_OBJS} kernel/symbols.o -lgcc
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kernel/symbols.o: ${KERNEL_ASMOBJS} ${KERNEL_OBJS} util/generate_symbols.py
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-rm -f kernel/symbols.o
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${KCC} -T kernel/link.ld ${KCFLAGS} -nostdlib -o .toaruos-kernel ${KERNEL_ASMOBJS} ${KERNEL_OBJS} -lgcc
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${KNM} .toaruos-kernel -g | util/generate_symbols.py > kernel/symbols.S
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${KAS} ${KASFLAGS} kernel/symbols.S -o $@
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-rm -f .toaruos-kernel
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kernel/sys/version.o: kernel/*/*.c kernel/*.c
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kernel/%.o: kernel/%.S
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${KAS} ${ASFLAGS} $< -o $@
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kernel/%.o: kernel/%.c ${HEADERS}
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${KCC} ${KCFLAGS} -nostdlib -g -c -o $@ $<
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# Modules
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cdrom/mod:
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@mkdir -p $@
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MODULES = $(patsubst modules/%.c,cdrom/mod/%.ko,$(wildcard modules/*.c))
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HEADERS = $(shell find base/usr/include/kernel -type f -name '*.h')
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cdrom/mod/%.ko: modules/%.c ${HEADERS} | cdrom/mod
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${KCC} -T modules/link.ld -nostdlib ${KCFLAGS} -c -o $@ $<
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modules: ${MODULES}
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# Root Filesystem
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base/dev:
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mkdir -p base/dev
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base/tmp:
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mkdir -p base/tmp
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base/proc:
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mkdir -p base/proc
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base/bin:
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mkdir -p base/bin
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base/lib:
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mkdir -p base/lib
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cdrom/boot:
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mkdir -p cdrom/boot
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.make:
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mkdir -p .make
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dirs: base/dev base/tmp base/proc base/bin base/lib cdrom/boot .make
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# C Library
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crts: base/lib/crt0.o base/lib/crti.o base/lib/crtn.o | dirs
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base/lib/crt%.o: libc/crt%.s
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yasm -f elf -o $@ $<
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libc/%.o: libc/%.c
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$(CC) $(CFLAGS) -fPIC -c -o $@ $<
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base/lib/libc.a: ${LIBC_OBJS} | dirs crts
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$(AR) cr $@ $^
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base/lib/libc.so: ${LIBC_OBJS} | dirs crts
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$(CC) -nodefaultlibs -o $@ $(CFLAGS) -shared -fPIC $^ -lgcc
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# Userspace Linker/Loader
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base/lib/ld.so: linker/linker.c base/lib/libc.a | dirs
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$(CC) -static -Wl,-static $(CFLAGS) -o $@ -Os -T linker/link.ld $<
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# Shared Libraries
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.make/%.lmak: lib/%.c util/auto-dep.py | dirs
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util/auto-dep.py --makelib $< > $@
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ifeq (,$(findstring clean,$(MAKECMDGOALS)))
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-include ${LIBS_Y}
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endif
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# Init (static)
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base/bin/init: apps/init.c base/lib/libc.a | dirs
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$(CC) -static -Wl,-static $(CFLAGS) -o $@ $<
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# Userspace applications
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.make/%.mak: apps/%.c util/auto-dep.py | dirs
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util/auto-dep.py --make $< > $@
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ifeq (,$(findstring clean,$(MAKECMDGOALS)))
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-include ${APPS_Y}
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endif
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# Ramdisk
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cdrom/ramdisk.img: ${APPS_X} ${LIBS_X} base/lib/ld.so $(shell find base) Makefile | dirs
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genext2fs -B 4096 -d base -D util/devtable -U -b 4096 -N 2048 cdrom/ramdisk.img
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# CD image
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image.iso: cdrom/ramdisk.img cdrom/boot/boot.sys cdrom/kernel ${MODULES}
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xorriso -as mkisofs -R -J -c boot/bootcat -b boot/boot.sys -no-emul-boot -boot-load-size 20 -o image.iso cdrom
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# Boot loader
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cdrom/boot/boot.sys: boot/boot.o boot/cstuff.o boot/link.ld | cdrom/boot
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${KLD} -T boot/link.ld -o $@ boot/boot.o boot/cstuff.o
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boot/cstuff.o: boot/cstuff.c boot/ata.h boot/atapi_imp.h boot/elf.h boot/iso9660.h boot/multiboot.h boot/text.h boot/types.h boot/util.h
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${KCC} -c -Os -o $@ $<
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boot/boot.o: boot/boot.s
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yasm -f elf -o $@ $<
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.PHONY: clean
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clean:
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rm -f base/lib/*.so
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rm -f base/lib/libc.a
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rm -f ${APPS_X}
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rm -f libc/*.o libc/*/*.o
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rm -f image.iso
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rm -f cdrom/ramdisk.img
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rm -f cdrom/boot/boot.sys
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rm -f boot/*.o
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rm -f cdrom/kernel
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rm -f ${KERNEL_OBJS} ${KERNEL_ASMOBJS} kernel/symbols.o kernel/symbols.S
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rm -f base/lib/crt*.o
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rm -f ${MODULES}
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rm -f ${APPS_Y} ${LIBS_Y}
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.PHONY: run
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run: image.iso
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qemu-system-i386 -cdrom $< \
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-serial stdio \
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-m 1G \
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-soundhw ac97,pcspk \
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-enable-kvm
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.PHONY: virtualbox
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VMNAME=ToaruOS-NIH CD
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virtualbox: image.iso
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-VBoxManage unregistervm "$(VMNAME)" --delete
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VBoxManage createvm --name "$(VMNAME)" --ostype "Other" --register
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VBoxManage modifyvm "$(VMNAME)" --memory 1024 --audio pulse --audiocontroller ac97 --bioslogodisplaytime 1 --bioslogofadeout off --bioslogofadein off --biosbootmenu disabled
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VBoxManage storagectl "$(VMNAME)" --add ide --name "IDE"
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VBoxManage storageattach "$(VMNAME)" --storagectl "IDE" --port 0 --device 0 --medium $(shell pwd)/image.iso --type dvddrive
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VBoxManage setextradata "$(VMNAME)" GUI/DefaultCloseAction PowerOff
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VBoxManage startvm "$(VMNAME)" --type separate
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