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.SILENT:
###############################
# Feature stuff
###############################
override SPECTRE_MITIGATION = @SPECTRE_MITIGATION@
override SERIAL_DEBUG = @SERIAL_DEBUG@
ifeq ($(SPECTRE_MITIGATION), 1)
override SPECTRE_FLAGS=-D__SPECTRE_MITIGATION
else
override SPECTRE_FLAGS=
endif
ifeq ($(SERIAL_DEBUG), 1)
override SERIAL_DEBUG_FLAGS=-D__SERIAL_DEBUG
else
override SERIAL_DEBUG_FLAGS=
endif
###############################
# CFLAGS, QEMU flags + misc
###############################
override ARCH = @ARCH@
override HYRA_VERSION = @PACKAGE_VERSION@
override PROMPT := printf "%s\t\t%s\n"
override KERNEL_DEFINES = -DHYRA_VERSION="\"$(HYRA_VERSION)\""\
-DHYRA_BUILDDATE="\"@HYRA_BUILDDATE@\""\
-DHYRA_BUILDBRANCH="\"@HYRA_BUILDBRANCH@\""\
-DHYRA_ARCH="\"@ARCH@\""\
$(SPECTRE_FLAGS)\
$(SERIAL_DEBUG_FLAGS)
override KERNEL_CFLAGS = @KERNEL_CFLAGS@ $(KERNEL_DEFINES)
override KERNEL_LDFLAGS = -nostdlib -znoexecstack -zmax-page-size=0x1000 -static -Tconf/link-$(ARCH).ld
override QEMU_FLAGS = @QEMU_FLAGS@
######################
# Binutils stuff
######################
ifeq ($(ARCH), amd64)
override CC = $(shell pwd)/cross/bin/x86_64-hyra-gcc
override LD = $(shell pwd)/cross/bin/x86_64-hyra-ld
else
override CC = $(shell pwd)/cross/bin/$(ARCH)-hyra-gcc
override LD = $(shell pwd)/cross/bin/$(ARCH)-hyra-ld
endif
override AS = $(CC)
LDSO = $(shell pwd)/base/usr/lib/ld.so
override USER_MKFLGS = CC=$(CC) LD=$(LD) LDSO=$(LDSO)
##########################
# Architecture specifics
##########################
override ALL_ARCH_CFILES = find sys/ -name "*.c" | grep "sys/arch/$(ARCH).*"
override ALL_ARCH_ASM_FILES = find sys/ -name "*.S" | grep "sys/arch/$(ARCH).*"
override QEMU = @QEMU@
##########################
# General kernel sources
##########################
override KERNEL_CFILES = $(shell find sys/ -name "*.c" | grep -v "sys/arch/*" | grep -v sys/kern/ksyms.c) $(shell $(ALL_ARCH_CFILES))
override KERNEL_ASMFILES = $(shell find sys/ -name "*.S" | grep -v "sys/arch/*") $(shell $(ALL_ARCH_ASM_FILES))
########################
# Objects & header deps
########################
override KERNEL_OBJECTS = $(KERNEL_CFILES:.c=.o)
override KERNEL_ASMOBJECTS = $(KERNEL_ASMFILES:.S=.S.o)
override KERNEL_HEADER_DEPS = $(KERNEL_CFILES:.c=.d)
.PHONY: all
all: base lib userland base/usr/lib/ld.so base/boot/hyra-kernel
rm -f sys/include/machine
rm -rf iso_root
base/usr/sbin/init:
cd usr.sbin/; make $(USER_MKFLGS)
mv usr.sbin/init/init base/usr/sbin/
# TODO: Make this more flexible
.PHONY: userland
userland: base/usr/sbin/init
base:
mkdir -p base/usr/lib/
mkdir -p base/usr/sbin/
mkdir -p base/boot/
lib: base/usr/lib/ld.so
.PHONY: run
run:
$(QEMU) $(QEMU_FLAGS)
.PHONY: cross
cross:
bash tools/cross.sh $(ARCH)
.PHONY: clean
distclean:
make clean
rm -f $(KERNEL_ASMOBJECTS) $(KERNEL_OBJECTS) $(KERNEL_HEADER_DEPS)
rm -f sys/include/machine
rm -f base/usr/lib/ld.so
rm -f base/boot/init
cd lib/; make clean
.PHONY: clean
clean:
rm -f $(KERNEL_ASMOBJECTS) $(KERNEL_OBJECTS) $(KERNEL_HEADER_DEPS)
rm -f sys/include/machine
sys/include/machine/:
cd sys/include/; ln -sf arch/$(ARCH) machine
base/usr/lib/ld.so: lib/mlibc/
cd lib/; make mlibc/build/
$(PROMPT) " DYNLD " base/usr/lib/ld.so
$(PROMPT) " LIBC " base/usr/lib/libc.so
cp lib/mlibc/build/ld.so base/usr/lib/
cp lib/mlibc/build/libc.so base/usr/lib/
base/boot/hyra-kernel: $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS)
rm -rf iso_root
$(PROMPT) " LD " $(shell pwd)/base/boot/hyra-kernel
$(LD) $(KERNEL_LDFLAGS) $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS) -o base/boot/hyra-kernel
tools/ksyms sys/kern/ksyms.c base/boot/hyra-kernel
# === Generating symbols ===
$(CC) -c $(KERNEL_CFLAGS) $(KERNEL_DEFINES) sys/kern/ksyms.c -o sys/kern/ksyms.o
$(LD) $(KERNEL_LDFLAGS) $(KERNEL_OBJECTS) $(KERNEL_ASMOBJECTS) \
sys/kern/ksyms.o -o base/boot/hyra-kernel
cd base/; tar -cvf ../initramfs.tar * --format=ustar &> /dev/null
$(PROMPT) " RAMFS " $(shell pwd)/initramfs.tar
# === Building ISO ===
mkdir -p iso_root/boot/
mkdir -p iso_root/EFI/BOOT/
cp stand/limine/BOOTX64.EFI iso_root/EFI/BOOT/
cp conf/limine.cfg stand/limine/limine-bios.sys \
stand/limine/limine-bios-cd.bin stand/limine/limine-uefi-cd.bin iso_root/
cp base/boot/* iso_root/boot/
mv initramfs.tar iso_root/boot/
xorriso -as mkisofs -b limine-bios-cd.bin -no-emul-boot -boot-load-size 4\
-boot-info-table --efi-boot limine-uefi-cd.bin -efi-boot-part \
--efi-boot-image --protective-msdos-label iso_root -o Hyra.iso > /dev/null
stand/limine/limine bios-install Hyra.iso
$(PROMPT) " ISO " $(shell pwd)/Hyra.iso
-include $(KERNEL_HEADER_DEPS)
%.o: %.c sys/include/machine/
$(PROMPT) " CC " $<
$(CC) -c $(KERNEL_CFLAGS) $(KERNEL_DEFINES) $< -o $@
%.S.o: %.S
$(PROMPT) " AS " $<
$(CC) -c $< -o $@ -D__$(ARCH)__ -I sys/include/
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