94 lines
2.1 KiB
Makefile
94 lines
2.1 KiB
Makefile
DEFAULT_HOST!=../default-host.sh
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HOST?=DEFAULT_HOST
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HOSTARCH!=../target-triplet-to-arch.sh $(HOST)
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CFLAGS?=-O2 -g
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CPPFLAGS?=
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LDFLAGS?=
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LIBS?=
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DESTDIR?=
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PREFIX?=/usr/local
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EXEC_PREFIX?=$(PREFIX)
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BOOTDIR?=$(EXEC_PREFIX)/boot
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INCLUDEDIR?=$(PREFIX)/include
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CFLAGS:=$(CFLAGS) -D__is_kernel -Iinclude -fstack-protector -ffreestanding -Wall -Wextra -Wno-unused-function
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CPPFLAGS:=$(CPPFLAGS) -fno-rtti -fno-exceptions
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LDFLAGS:=$(LDFLAGS)
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LIBS:=$(LIBS) -nostdlib -lk -lgcc
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ARCHDIR=arch/$(HOSTARCH)
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include $(ARCHDIR)/make.config
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CFLAGS:=$(CFLAGS) $(KERNEL_ARCH_CFLAGS)
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CPPFLAGS:=$(CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
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LDFLAGS:=$(LDFLAGS) $(KERNEL_ARCH_LDFLAGS)
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LIBS:=$(LIBS) $(KERNEL_ARCH_LIBS)
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BUILDDIR=$(abspath build)
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KERNEL_OBJS= \
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$(KERNEL_ARCH_OBJS) \
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kernel/kernel.o \
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kernel/Keyboard.o \
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kernel/kmalloc.o \
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kernel/PIC.o \
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kernel/PIT.o \
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kernel/Serial.o \
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kernel/SSP.o \
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icxxabi.o \
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OBJS= \
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$(ARCHDIR)/crti.o \
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$(ARCHDIR)/crtbegin.o \
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$(KERNEL_OBJS) \
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$(ARCHDIR)/crtend.o \
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$(ARCHDIR)/crtn.o \
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LINK_LIST= \
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$(LDFLAGS) \
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$(ARCHDIR)/crti.o \
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$(ARCHDIR)/crtbegin.o \
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$(KERNEL_OBJS) \
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$(LIBS) \
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$(ARCHDIR)/crtend.o \
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$(ARCHDIR)/crtn.o \
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.PHONY: all always clean install install-headers install-kernel
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.SUFFIXES: .o .cpp .S
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all: banan-os.kernel
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banan-os.kernel: always $(OBJS) $(ARCHDIR)/linker.ld
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cd $(BUILDDIR) && $(CXX) -T ../$(ARCHDIR)/linker.ld -o banan-os.kernel $(CFLAGS) $(CPPFLAGS) $(LINK_LIST)
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cd $(BUILDDIR) && grub-file --is-x86-multiboot banan-os.kernel
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$(ARCHDIR)/crtbegin.o $(ARCHDIR)/crtend.o:
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OBJ=`$(CC) $(CFLAGS) $(LDFLAGS) -print-file-name=$(@F)` && cp "$$OBJ" $(BUILDDIR)/$@
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.cpp.o:
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$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
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.S.o:
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$(CC) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS)
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always:
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mkdir -p $(BUILDDIR)/arch/i386
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mkdir -p $(BUILDDIR)/kernel
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clean:
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rm -rf $(BUILDDIR)
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install: install-headers install-kernel
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install-headers:
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mkdir -p $(DESTDIR)$(INCLUDEDIR)
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cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.
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install-kernel: banan-os.kernel
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mkdir -p $(DESTDIR)$(BOOTDIR)
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cp $(BUILDDIR)/banan-os.kernel $(DESTDIR)$(BOOTDIR)
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-include $(OBJS:.o=.d) |