mirror of
https://github.com/limine-bootloader/limine
synced 2025-02-21 19:44:33 +03:00
82ea6d6a57
Although linker relaxation is disabled, the compiler still emits small data sections which must be explicitly included in the linker script.
100 lines
2.6 KiB
Makefile
100 lines
2.6 KiB
Makefile
include $(TOOLCHAIN_FILE)
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export CC_FOR_TARGET
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export LD_FOR_TARGET
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export OBJDUMP_FOR_TARGET
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export OBJCOPY_FOR_TARGET
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export READELF_FOR_TARGET
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override CC := $(CC_FOR_TARGET)
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CFLAGS = -O2 -g -Wall -Wextra
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LDFLAGS =
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override LD := $(LD_FOR_TARGET)
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override QEMU := qemu-system-x86_64
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QEMUFLAGS = -m 1G -enable-kvm -cpu host
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override INTERNALLDFLAGS := \
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-Tlinker.ld \
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-nostdlib \
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-zmax-page-size=0x1000 \
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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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override INTERNAL_LD_FLAGS_MULTIBOOT2 := \
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-m elf_i386 \
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-Tmultiboot2.ld \
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-nostdlib \
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-zmax-page-size=0x1000 \
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-static
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override INTERNAL_LD_FLAGS_MULTIBOOT1 := \
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-m elf_i386 \
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-Tmultiboot.ld \
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-nostdlib \
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-zmax-page-size=0x1000 \
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-static
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override INTERNALCFLAGS := \
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-std=c11 \
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-ffreestanding \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-lto \
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-fPIE \
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-mgeneral-regs-only \
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-mno-red-zone \
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-I. \
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-I..
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ifneq ($(findstring riscv,$(CC_FOR_TARGET)),)
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override INTERNALCFLAGS += -march=rv64imac -mabi=lp64 -mno-relax
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override INTERNALLDFLAGS += --no-relax
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endif
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override INTERNALCFLAGS_MB := \
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-std=c11 \
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-ffreestanding \
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-fno-stack-protector \
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-fno-stack-check \
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-fno-lto \
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-fno-PIE \
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-fno-PIC \
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-m32 \
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-march=i686 \
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-mabi=sysv \
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-mno-80387 \
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-I. \
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-I.. \
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-I../common/protos
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ifneq ($(findstring 86,$(CC_FOR_TARGET)),)
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all: test.elf multiboot2.elf multiboot.elf
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else
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all: test.elf
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endif
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test.elf: limine.o e9print.o memory.o
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$(LD) $^ $(LDFLAGS) $(INTERNALLDFLAGS) -o $@
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multiboot2.elf: multiboot2_trampoline.o
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$(CC) $(CFLAGS) $(INTERNALCFLAGS_MB) -c multiboot2.c -o multiboot2.o
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$(CC) $(CFLAGS) $(INTERNALCFLAGS_MB) -c e9print.c -o e9print.o
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$(LD) $^ multiboot2.o e9print.o $(LDFLAGS) $(INTERNAL_LD_FLAGS_MULTIBOOT2) -m elf_i386 -o $@
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multiboot.elf: multiboot_trampoline.o
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$(CC) $(CFLAGS) $(INTERNALCFLAGS_MB) -c multiboot.c -o multiboot.o
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$(CC) $(CFLAGS) $(INTERNALCFLAGS_MB) -c e9print.c -o e9print.o
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$(LD) $^ multiboot.o e9print.o $(LDFLAGS) $(INTERNAL_LD_FLAGS_MULTIBOOT1) -m elf_i386 -o $@
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%.o: %.c
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$(CC) $(CFLAGS) $(INTERNALCFLAGS) -c $< -o $@
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%.o: %.asm
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nasm -felf32 -F dwarf -g $< -o $@
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clean:
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rm -rf test.elf limine.o e9print.o memory.o
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rm -rf multiboot2.o multiboot2.elf multiboot2_trampoline.o
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rm -rf multiboot.o multiboot_trampoline.o multiboot.elf
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