337 lines
9.6 KiB
Makefile
337 lines
9.6 KiB
Makefile
TARGET =
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BUILDDIR =
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ifeq ($(BUILDDIR), )
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$(error BUILDDIR not specified)
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endif
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ifeq ($(TARGET), bios)
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OBJCOPY_ARCH := elf32-i386
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else ifeq ($(TARGET), uefi)
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OBJCOPY_ARCH := elf64-x86-64
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else ifeq ($(TARGET), uefi32)
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OBJCOPY_ARCH := elf32-i386
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else
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$(error Invalid target)
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endif
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TOOLCHAIN ?= limine
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TOOLCHAIN_CC ?= $(TOOLCHAIN)-gcc
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TOOLCHAIN_LD ?= $(TOOLCHAIN)-ld
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TOOLCHAIN_AR ?= $(TOOLCHAIN)-ar
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TOOLCHAIN_OBJCOPY ?= $(TOOLCHAIN)-objcopy
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TOOLCHAIN_OBJDUMP ?= $(TOOLCHAIN)-objdump
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TOOLCHAIN_READELF ?= $(TOOLCHAIN)-readelf
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ifeq ($(shell command -v $(TOOLCHAIN_CC) ; ), )
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override TOOLCHAIN_CC := cc
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endif
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ifeq ($(shell command -v $(TOOLCHAIN_LD) ; ), )
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override TOOLCHAIN_LD := ld
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endif
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ifeq ($(shell command -v $(TOOLCHAIN_AR) ; ), )
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override TOOLCHAIN_AR := ar
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endif
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ifeq ($(shell command -v $(TOOLCHAIN_OBJCOPY) ; ), )
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override TOOLCHAIN_OBJCOPY := objcopy
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endif
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ifeq ($(shell command -v $(TOOLCHAIN_OBJDUMP) ; ), )
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override TOOLCHAIN_OBJDUMP := objdump
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endif
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ifeq ($(shell command -v $(TOOLCHAIN_READELF) ; ), )
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override TOOLCHAIN_READELF := readelf
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endif
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COM_OUTPUT = false
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E9_OUTPUT = false
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BUILD_ID := $(shell dd if=/dev/urandom count=8 bs=1 2>/dev/null | od -An -t x4 | sed 's/^ /0x/g;s/ //g')
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LIMINE_VERSION := $(shell cat ../version 2>/dev/null || ( git describe --exact-match --tags `git log -n1 --pretty='%h'` 2>/dev/null || ( git log -n1 --pretty='%h' && echo -n "(`git branch --show-current`)" ) ) )
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WERROR = -Werror
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CFLAGS ?= -O3 -g -pipe -Wall -Wextra $(WERROR)
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S2CFLAGS := $(CFLAGS) -Os
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INTERNAL_CFLAGS := \
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-std=gnu11 \
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-ffreestanding \
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-fno-stack-protector \
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-fno-omit-frame-pointer \
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-fno-lto \
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-fno-pic \
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-Wno-stringop-overflow \
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-Wno-address-of-packed-member \
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-Wshadow \
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-mno-80387 \
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-mno-mmx \
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-mno-3dnow \
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-mno-sse \
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-mno-sse2 \
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-MMD \
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-DBUILD_ID=$(BUILD_ID) \
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-DLIMINE_VERSION='"$(LIMINE_VERSION)"' \
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-DCOM_OUTPUT=$(COM_OUTPUT) \
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-DE9_OUTPUT=$(E9_OUTPUT) \
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-I. \
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-I..
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ifeq ($(TARGET), bios)
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INTERNAL_CFLAGS += \
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-Dbios=1 \
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-Duefi=0 \
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-m32 \
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-march=i386 \
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-mabi=sysv \
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-fno-pie
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endif
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ifeq ($(TARGET), uefi)
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INTERNAL_CFLAGS32 := \
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$(INTERNAL_CFLAGS) \
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-Dbios=0 \
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-Duefi=1 \
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-m32 \
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-march=i386 \
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-mabi=sysv \
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-fpie
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INTERNAL_CFLAGS += \
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-Dbios=0 \
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-Duefi=1 \
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-m64 \
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-march=x86-64 \
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-mabi=sysv \
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-I../gnu-efi/inc \
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-I../gnu-efi/inc/x86_64 \
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-fpie \
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-mno-red-zone
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endif
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ifeq ($(TARGET), uefi32)
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INTERNAL_CFLAGS += \
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-Dbios=0 \
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-Duefi=1 \
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-m32 \
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-march=i386 \
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-mabi=sysv \
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-I../gnu-efi/inc \
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-I../gnu-efi/inc/ia32 \
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-fpie
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endif
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LDFLAGS ?=
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INTERNAL_LDFLAGS := \
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-nostdlib \
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-z max-page-size=0x1000
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ifeq ($(TARGET), bios)
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INTERNAL_LDFLAGS += \
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-melf_i386 \
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-static
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endif
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ifeq ($(TARGET), uefi)
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INTERNAL_LDFLAGS += \
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-melf_x86_64 \
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-static \
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-pie \
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--no-dynamic-linker \
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-ztext
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endif
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ifeq ($(TARGET), uefi32)
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INTERNAL_LDFLAGS += \
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-melf_i386 \
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-static \
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-pie \
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--no-dynamic-linker \
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-ztext
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endif
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.PHONY: all clean builddir
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C_FILES := $(shell find -L ./ -type f -name '*.c' | sort)
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ifeq ($(TARGET), bios)
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ASM_FILES := $(shell find -L ./ -type f -name '*.asm' | sort)
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OBJ := $(addprefix $(BUILDDIR)/, $(ASM_FILES:.asm=.o) $(C_FILES:.c=.o))
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endif
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ifeq ($(TARGET), uefi)
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ASM_FILES := $(shell find -L ./ -type f -name '*.asm64' | sort)
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OBJ := $(addprefix $(BUILDDIR)/, $(ASM_FILES:.asm64=.o) $(C_FILES:.c=.o))
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endif
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ifeq ($(TARGET), uefi32)
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ASM_FILES := $(shell find -L ./ -type f -name '*.asm32' | sort)
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OBJ := $(addprefix $(BUILDDIR)/, $(ASM_FILES:.asm32=.o) $(C_FILES:.c=.o))
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endif
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HEADER_DEPS := $(addprefix $(BUILDDIR)/, $(C_FILES:.c=.d))
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ifeq ($(TARGET), bios)
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all:
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$(MAKE) builddir
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$(MAKE) $(BUILDDIR)/limine_dbg.elf $(BUILDDIR)/limine.sys $(BUILDDIR)/stage2.bin $(BUILDDIR)/stage2.bin.gz
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else ifeq ($(TARGET), uefi)
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all:
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$(MAKE) builddir
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$(MAKE) $(BUILDDIR)/BOOTX64.EFI
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else ifeq ($(TARGET), uefi32)
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all:
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$(MAKE) builddir
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$(MAKE) $(BUILDDIR)/BOOTIA32.EFI
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endif
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builddir:
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for i in $(OBJ); do mkdir -p `dirname $$i`; done
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$(BUILDDIR)/sys/smp_trampoline.bin: sys/smp_trampoline.real
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nasm $< -f bin -o $@
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$(BUILDDIR)/sys/smp_trampoline.o: $(BUILDDIR)/sys/smp_trampoline.bin
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cd "`dirname $<`" && \
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$(TOOLCHAIN_OBJCOPY) -B i8086 -I binary -O $(OBJCOPY_ARCH) "`basename $<`" $@
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$(BUILDDIR)/font.o: font.bin
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cd "`dirname $<`" && \
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$(TOOLCHAIN_OBJCOPY) -B i8086 -I binary -O $(OBJCOPY_ARCH) "`basename $<`" $@
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ifeq ($(TARGET), bios)
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$(BUILDDIR)/stage2.bin.gz: $(BUILDDIR)/stage2.bin
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gzip -n -9 < $< > $@
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$(BUILDDIR)/stage2.bin: $(BUILDDIR)/limine.sys
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dd if=$< bs=$$(( 0x$$($(TOOLCHAIN_READELF) -S $(BUILDDIR)/limine.elf | grep .stage3.text | sed 's/^.*] //' | awk '{print $$3}' | sed 's/^0*//') - 0x8000 )) count=1 of=$@
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$(BUILDDIR)/stage2.map.o: $(BUILDDIR)/limine_stage2only.elf
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GENSYMS="`pwd`/gensyms.sh" && \
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cd "`dirname $<`" && \
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"$$GENSYMS" $(TOOLCHAIN_OBJDUMP) $< stage2 32
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$(BUILDDIR)/full.map.o: $(BUILDDIR)/limine_nomap.elf
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GENSYMS="`pwd`/gensyms.sh" && \
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cd "`dirname $<`" && \
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"$$GENSYMS" $(TOOLCHAIN_OBJDUMP) $< full 32
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$(BUILDDIR)/limine.sys: $(BUILDDIR)/limine.elf
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$(TOOLCHAIN_OBJCOPY) -O binary $< $@
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$(BUILDDIR)/limine_stage2only.elf: $(OBJ)
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$(TOOLCHAIN_LD) $^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -Tlinker_stage2only.ld -o $@ || \
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( echo "This error may mean that stage 2 was trying to use stage 3 symbols before loading stage 3" && \
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false )
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$(BUILDDIR)/limine_nomap.elf: $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o $(BUILDDIR)/stage2.map.o
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$(TOOLCHAIN_LD) $^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -Tlinker_nomap.ld -o $@
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$(BUILDDIR)/limine.elf: $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o $(BUILDDIR)/stage2.map.o $(BUILDDIR)/full.map.o
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$(TOOLCHAIN_LD) $^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -Tlinker.ld -o $@
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$(BUILDDIR)/limine_dbg.elf: $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o $(BUILDDIR)/stage2.map.o $(BUILDDIR)/full.map.o
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$(TOOLCHAIN_LD) $^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -Tlinker_dbg.ld -o $@
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endif
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$(BUILDDIR)/gnu-efi:
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cp -r ../gnu-efi $(BUILDDIR)/
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# gnu-efi's build system is broken and fails to actually detect clang.
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# This is a workaround.
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sed 's/-maccumulate-outgoing-args//g' < "$(BUILDDIR)/gnu-efi/Make.defaults" > sed.tmp
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mv sed.tmp "$(BUILDDIR)/gnu-efi/Make.defaults"
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ifeq ($(TARGET), uefi)
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$(BUILDDIR)/full.map.o: $(BUILDDIR)/limine_efi_nomap.elf
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GENSYMS="`pwd`/gensyms.sh" && \
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cd "`dirname $<`" && \
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"$$GENSYMS" $(TOOLCHAIN_OBJDUMP) $< full 64
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$(BUILDDIR)/BOOTX64.EFI: $(BUILDDIR)/limine_efi.elf
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$(TOOLCHAIN_OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc -j .sbat --target efi-app-x86_64 --subsystem=10 $< $@
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$(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-x86_64.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a: $(BUILDDIR)/gnu-efi
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$(MAKE) -C $(BUILDDIR)/gnu-efi/gnuefi CC="$(TOOLCHAIN_CC) -m64 -march=x86-64" AR="$(TOOLCHAIN_AR)" ARCH=x86_64
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$(BUILDDIR)/gnu-efi/lib/x86_64/efi_stub.o: $(BUILDDIR)/gnu-efi
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$(MAKE) -C $(BUILDDIR)/gnu-efi/lib CC="$(TOOLCHAIN_CC) -m64 -march=x86-64" ARCH=x86_64 x86_64/efi_stub.o
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$(BUILDDIR)/limine_efi_nomap.elf: $(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-x86_64.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a $(BUILDDIR)/gnu-efi/lib/x86_64/efi_stub.o $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o
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$(TOOLCHAIN_LD) \
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-Tlinker_uefi_nomap.ld \
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$^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@
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$(BUILDDIR)/limine_efi.elf: $(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-x86_64.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a $(BUILDDIR)/gnu-efi/lib/x86_64/efi_stub.o $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o $(BUILDDIR)/full.map.o
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$(TOOLCHAIN_LD) \
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-Tlinker_uefi.ld \
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$^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@
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endif
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ifeq ($(TARGET), uefi32)
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$(BUILDDIR)/full.map.o: $(BUILDDIR)/limine_efi_nomap.elf
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GENSYMS="`pwd`/gensyms.sh" && \
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cd "`dirname $<`" && \
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"$$GENSYMS" $(TOOLCHAIN_OBJDUMP) $< full 32
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$(BUILDDIR)/BOOTIA32.EFI: $(BUILDDIR)/limine_efi.elf
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$(TOOLCHAIN_OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc -j .sbat --target efi-app-ia32 --subsystem=10 $< $@
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$(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-ia32.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a: $(BUILDDIR)/gnu-efi
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$(MAKE) -C $(BUILDDIR)/gnu-efi/gnuefi CC="$(TOOLCHAIN_CC) -m32 -march=i386" AR="$(TOOLCHAIN_AR)" ARCH=ia32
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$(BUILDDIR)/gnu-efi/lib/ia32/efi_stub.o: $(BUILDDIR)/gnu-efi
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$(MAKE) -C $(BUILDDIR)/gnu-efi/lib CC="$(TOOLCHAIN_CC) -m32 -march=i386" ARCH=ia32 ia32/efi_stub.o
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$(BUILDDIR)/limine_efi_nomap.elf: $(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-ia32.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a $(BUILDDIR)/gnu-efi/lib/ia32/efi_stub.o $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o
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$(TOOLCHAIN_LD) \
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-Tlinker_uefi32_nomap.ld \
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$^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@
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$(BUILDDIR)/limine_efi.elf: $(BUILDDIR)/gnu-efi/gnuefi/crt0-efi-ia32.o $(BUILDDIR)/gnu-efi/gnuefi/libgnuefi.a $(BUILDDIR)/gnu-efi/lib/ia32/efi_stub.o $(OBJ) $(BUILDDIR)/font.o $(BUILDDIR)/sys/smp_trampoline.o $(BUILDDIR)/full.map.o
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$(TOOLCHAIN_LD) \
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-Tlinker_uefi32.ld \
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$^ $(LDFLAGS) $(INTERNAL_LDFLAGS) -o $@
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endif
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-include $(HEADER_DEPS)
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$(BUILDDIR)/%.o: %.c
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$(TOOLCHAIN_CC) $(CFLAGS) $(INTERNAL_CFLAGS) -c $< -o $@
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-include $(HEADER_DEPS)
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ifeq ($(TARGET), bios)
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$(BUILDDIR)/%.s2.o: %.s2.c
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$(TOOLCHAIN_CC) $(S2CFLAGS) $(INTERNAL_CFLAGS) -c $< -o $@
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endif
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-include $(HEADER_DEPS)
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ifeq ($(TARGET), uefi)
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$(BUILDDIR)/%.32.o: %.32.c
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$(TOOLCHAIN_CC) $(CFLAGS) $(INTERNAL_CFLAGS32) -c $< -o $@.32
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$(TOOLCHAIN_OBJCOPY) -I elf32-i386 -O elf64-x86-64 $@.32 $@
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rm $@.32
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endif
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ifeq ($(TARGET), bios)
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$(BUILDDIR)/%.o: %.asm
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nasm $< -F dwarf -g -Werror -f elf32 -o $@
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endif
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ifeq ($(TARGET), uefi)
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$(BUILDDIR)/%.o: %.asm64
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nasm $< -F dwarf -g -Werror -f elf64 -o $@
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endif
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ifeq ($(TARGET), uefi32)
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$(BUILDDIR)/%.o: %.asm32
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nasm $< -F dwarf -g -Werror -f elf32 -o $@
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endif
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clean:
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rm -rf $(BUILDDIR)
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