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503e32552c
Also use a simple array of { dword, const char* } for the KSyms and put the
whole shebang in kmalloc_eternal() memory. This was a fugly source of
kmalloc perma-frag.
96 lines
2.9 KiB
Makefile
96 lines
2.9 KiB
Makefile
KERNEL_OBJS = \
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_start.o \
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init.o \
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kmalloc.o \
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StdLib.o \
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i386.o \
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Process.o \
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i8253.o \
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Keyboard.o \
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CMOS.o \
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PIC.o \
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Syscall.o \
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IDEDiskDevice.o \
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MemoryManager.o \
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Console.o \
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IRQHandler.o \
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kprintf.o \
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ProcFileSystem.o \
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RTC.o \
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TTY.o \
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VirtualConsole.o \
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FIFO.o \
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Scheduler.o \
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DoubleBuffer.o \
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ELFImage.o \
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ELFLoader.o \
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KSyms.o
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VFS_OBJS = \
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../VirtualFileSystem/DiskDevice.o \
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../VirtualFileSystem/CharacterDevice.o \
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../VirtualFileSystem/NullDevice.o \
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../VirtualFileSystem/FullDevice.o \
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../VirtualFileSystem/ZeroDevice.o \
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../VirtualFileSystem/RandomDevice.o \
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../VirtualFileSystem/FileSystem.o \
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../VirtualFileSystem/DiskBackedFileSystem.o \
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../VirtualFileSystem/Ext2FileSystem.o \
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../VirtualFileSystem/VirtualFileSystem.o \
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../VirtualFileSystem/FileDescriptor.o \
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../VirtualFileSystem/SyntheticFileSystem.o
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AK_OBJS = \
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../AK/String.o \
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../AK/StringImpl.o \
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../AK/StringBuilder.o \
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../AK/FileSystemPath.o
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OBJS = $(KERNEL_OBJS) $(VFS_OBJS) $(AK_OBJS) $(ELFLOADER_OBJS)
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NASM = nasm
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KERNEL = kernel
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BOOTLOADER = Boot/boot.bin
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IMAGE = .floppy-image
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ARCH_FLAGS =
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STANDARD_FLAGS = -std=c++17 -nostdinc++ -nostdlib #-nostdinc
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KERNEL_FLAGS = -ffreestanding -fno-stack-protector -fno-ident -fno-builtin
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WARNING_FLAGS = -Wextra -Wall -Wundef -Wcast-qual -Wwrite-strings
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FLAVOR_FLAGS = -mregparm=3 -march=i386 -m32 -fno-exceptions -fno-rtti -fmerge-all-constants -fno-unroll-loops -fno-pie -fno-pic
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OPTIMIZATION_FLAGS = -Oz -fno-asynchronous-unwind-tables
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INCLUDE_FLAGS = -I.. -I.
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#SUGGEST_FLAGS = -Wsuggest-final-types -Wsuggest-final-methods -Wsuggest-override #-Wsuggest-attribute=noreturn
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DEFINES = -DSERENITY -DKERNEL -DSANITIZE_PTRS
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CXXFLAGS = $(WARNING_FLAGS) $(OPTIMIZATION_FLAGS) $(KERNEL_FLAGS) $(FLAVOR_FLAGS) $(ARCH_FLAGS) $(STANDARD_FLAGS) $(SUGGEST_FLAGS) $(INCLUDE_FLAGS) $(DEFINES)
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#CXX = /usr/local/gcc-4.8.1-for-linux64/bin/x86_64-pc-linux-g++
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#LD = /usr/local/gcc-4.8.1-for-linux64/bin/x86_64-pc-linux-ld
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CXX = clang
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LD = ld
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LDFLAGS = -T linker.ld --strip-debug -melf_i386 --gc-sections --build-id=none -z norelro -z now
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all: $(KERNEL) $(IMAGE) kernel.map
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kernel.map: kernel
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@echo "MKMAP $@"; sh mkmap.sh
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$(KERNEL): $(OBJS)
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@echo "LD $@"; $(LD) $(LDFLAGS) -o $@ -Ttext 0x10000 $(OBJS)
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$(IMAGE): $(KERNEL) $(BOOTLOADER)
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@echo "CREATE $@"; cat $(BOOTLOADER) $(KERNEL) > .tmp-floppy-image
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@dd if=/dev/zero bs=2M count=1 >> .tmp-floppy-image 2> /dev/null
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@dd if=.tmp-floppy-image of=.floppy-image bs=1440k count=1 2>/dev/null
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@rm -f .tmp-floppy-image
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$(BOOTLOADER): Boot/boot.asm
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@echo "NASM $<"; $(NASM) -f bin -o $@ $<
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.cpp.o:
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@echo "CXX $<"; $(CXX) $(CXXFLAGS) -o $@ -c $<
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clean:
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@echo "CLEAN"; rm -f $(KERNEL) $(OBJS) $(BOOTLOADER) $(IMAGE)
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