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Merge remote-tracking branch 'Kernel/master'
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EnderIce2
181
Kernel/Makefile
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181
Kernel/Makefile
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# Config file
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include ../Makefile.conf
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KERNEL_FILENAME = fennix.elf
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CC = ../$(COMPILER_PATH)/$(COMPILER_ARCH)gcc
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CPP = ../$(COMPILER_PATH)/$(COMPILER_ARCH)g++
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LD = ../$(COMPILER_PATH)/$(COMPILER_ARCH)ld
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AS = ../$(COMPILER_PATH)/$(COMPILER_ARCH)as
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NM = ../$(COMPILER_PATH)/$(COMPILER_ARCH)nm
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OBJCOPY = ../$(COMPILER_PATH)/$(COMPILER_ARCH)objcopy
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OBJDUMP = ../$(COMPILER_PATH)/$(COMPILER_ARCH)objdump
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GDB = ../$(COMPILER_PATH)/$(COMPILER_ARCH)gdb
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RUST_TARGET_PATH = arch/$(OSARCH)/rust-target.json
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GIT_COMMIT = $(shell git rev-parse HEAD)
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GIT_COMMIT_SHORT = $(shell git rev-parse --short HEAD)
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HEADERS = $(sort $(dir $(wildcard ./include/*))) $(sort $(dir $(wildcard ./include_std/*)))
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INCLUDE_DIR = -I./include -I./include_std
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BMP_SOURCES = $(shell find ./ -type f -name '*.bmp')
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PSF_SOURCES = $(shell find ./ -type f -name '*.psf')
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ifeq ($(OSARCH), amd64)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/i386/*" -not -path "./arch/aarch64/*")
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s_SOURCES = $(shell find ./ -type f -name '*.s' -not -path "./arch/i386/*" -not -path "./arch/aarch64/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/i386/*" -not -path "./arch/aarch64/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/i386/*" -not -path "./arch/aarch64/*")
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HEADERS += $(sort $(dir $(wildcard ./arch/amd64/include/*)))
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INCLUDE_DIR += -I./arch/amd64/include
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else ifeq ($(OSARCH), i386)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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s_SOURCES = $(shell find ./ -type f -name '*.s' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/aarch64/*")
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HEADERS += $(sort $(dir $(wildcard ./arch/i386/include/*)))
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INCLUDE_DIR += -I./arch/i386/include
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else ifeq ($(OSARCH), aarch64)
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S_SOURCES = $(shell find ./ -type f -name '*.S' -not -path "./arch/amd64/*" -not -path "./arch/i386/*")
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s_SOURCES = $(shell find ./ -type f -name '*.s' -not -path "./arch/amd64/*" -not -path "./arch/i386/*")
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C_SOURCES = $(shell find ./ -type f -name '*.c' -not -path "./arch/amd64/*" -not -path "./arch/i386/*")
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CPP_SOURCES = $(shell find ./ -type f -name '*.cpp' -not -path "./arch/amd64/*" -not -path "./arch/i386/*")
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HEADERS += $(sort $(dir $(wildcard ./arch/aarch64/include/*)))
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INCLUDE_DIR += -I./arch/aarch64/include
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endif
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OBJ = $(C_SOURCES:.c=.o) $(CPP_SOURCES:.cpp=.o) $(ASM_SOURCES:.asm=.o) $(S_SOURCES:.S=.o) $(s_SOURCES:.s=.o) $(PSF_SOURCES:.psf=.o) $(BMP_SOURCES:.bmp=.o)
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STACK_USAGE_OBJ = $(C_SOURCES:.c=.su) $(CPP_SOURCES:.cpp=.su)
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GCNO_OBJ = $(C_SOURCES:.c=.gcno) $(CPP_SOURCES:.cpp=.gcno)
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LDFLAGS := -Wl,-Map kernel.map -static -nostdlib -nodefaultlibs -nolibc
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# Disable all warnings by adding "-w" in WARNCFLAG and if you want to treat the warnings as errors, add "-Werror"
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# -Wconversion this may be re-added later
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WARNCFLAG = -Wall -Wextra \
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-Wfloat-equal -Wpointer-arith -Wcast-align \
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-Wredundant-decls -Winit-self -Wswitch-default \
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-Wstrict-overflow=5 -Wno-error=cpp -Werror \
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-Wno-unused-parameter
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# https://gcc.gnu.org/onlinedocs/gcc/x86-Options.html
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CFLAGS := \
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$(INCLUDE_DIR) \
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-D__kernel__='1' \
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-DKERNEL_NAME='"$(OSNAME)"' \
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-DKERNEL_ARCH='"$(OSARCH)"' \
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-DKERNEL_VERSION='"$(KERNEL_VERSION)"' \
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-DGIT_COMMIT='"$(GIT_COMMIT)"' \
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-DGIT_COMMIT_SHORT='"$(GIT_COMMIT_SHORT)"'
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ifeq ($(OSARCH), amd64)
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CFLAGS += -fno-pic -fno-pie -mno-red-zone -march=core2 \
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-mcmodel=kernel -fno-builtin -Da64 -Da86 -m64
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CFLAG_STACK_PROTECTOR := -fstack-protector-all
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LDFLAGS += -Tarch/amd64/linker.ld \
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-fno-pic -fno-pie \
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-Wl,-static,--no-dynamic-linker,-ztext \
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-zmax-page-size=0x1000 \
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-Wl,-Map kernel.map
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else ifeq ($(OSARCH), i386)
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CFLAGS += -fno-pic -fno-pie -mno-red-zone -march=pentium \
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-fno-builtin -Da32 -Da86 -m32
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CFLAG_STACK_PROTECTOR := -fstack-protector-all
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LDFLAGS += -Tarch/i386/linker.ld \
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-fno-pic -fno-pie \
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-Wl,-static,--no-dynamic-linker,-ztext \
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-zmax-page-size=0x1000 \
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-Wl,-Map kernel.map
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else ifeq ($(OSARCH), aarch64)
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CFLAGS += -fno-builtin -Wstack-protector -Daa64 -fPIC -mno-outline-atomics
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CFLAG_STACK_PROTECTOR := -fstack-protector-all
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LDFLAGS += -Tarch/aarch64/linker.ld -fPIC -pie \
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-Wl,-static,--no-dynamic-linker,-ztext \
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-zmax-page-size=0x1000 \
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-Wl,-Map kernel.map
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endif
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# -finstrument-functions for __cyg_profile_func_enter & __cyg_profile_func_exit. Used for profiling and debugging.
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ifeq ($(DEBUG), 1)
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# CFLAGS += --coverage
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# CFLAGS += -pg
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# CFLAGS += -finstrument-functions
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CFLAGS += -DDEBUG -ggdb3 -O0 -fdiagnostics-color=always -fstack-usage -fsanitize=undefined
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ifeq ($(OSARCH), amd64)
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CFLAGS += -fverbose-asm
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endif
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ifneq ($(OSARCH), aarch64)
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CFLAGS += -fstack-check
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endif
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LDFLAGS += -ggdb3 -O0
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ASFLAGS += -g --gstabs+ --gdwarf-5 -D
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WARNCFLAG += -Wno-unused-function -Wno-maybe-uninitialized -Wno-builtin-declaration-mismatch -Wno-unknown-pragmas -Wno-unused-parameter -Wno-unused-variable
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endif
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default:
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$(error Please specify a target)
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prepare:
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$(info Nothing to prepare)
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build: $(KERNEL_FILENAME)
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dump:
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ifeq (,$(wildcard $(KERNEL_FILENAME)))
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$(error $(KERNEL_FILENAME) does not exist)
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endif
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$(info Dumping $(KERNEL_FILENAME) in AT T syntax...)
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$(OBJDUMP) -D -g -s -d $(KERNEL_FILENAME) > kernel_dump.map
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$(info Dumping $(KERNEL_FILENAME) in Intel syntax...)
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$(OBJDUMP) -M intel -D -g -s -d $(KERNEL_FILENAME) > kernel_dump_intel.map
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$(KERNEL_FILENAME): $(OBJ)
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$(info Linking $@)
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$(CC) $(LDFLAGS) $(OBJ) -o $@
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# $(CC) $(LDFLAGS) $(OBJ) -mno-red-zone -lgcc -o $@
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%.o: %.c $(HEADERS)
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$(info Compiling $<)
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$(CC) $(CFLAGS) $(CFLAG_STACK_PROTECTOR) $(WARNCFLAG) -std=c17 -c $< -o $@
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# https://gcc.gnu.org/projects/cxx-status.html
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%.o: %.cpp $(HEADERS)
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$(info Compiling $<)
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$(CPP) $(CFLAGS) -fcoroutines $(CFLAG_STACK_PROTECTOR) $(WARNCFLAG) -std=c++20 -c $< -o $@ -fno-rtti
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%.o: %.S
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$(info Compiling $<)
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$(AS) $(ASFLAGS) -c $< -o $@
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%.o: %.s
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$(info Compiling $<)
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$(AS) $(ASFLAGS) -c $< -o $@
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%.o: %.psf
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ifeq ($(OSARCH), amd64)
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$(OBJCOPY) -O elf64-x86-64 -I binary $< $@
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else ifeq ($(OSARCH), i386)
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$(OBJCOPY) -O elf32-i386 -I binary $< $@
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else ifeq ($(OSARCH), aarch64)
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$(OBJCOPY) -O elf64-littleaarch64 -I binary $< $@
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endif
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$(NM) $@
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%.o: %.bmp
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ifeq ($(OSARCH), amd64)
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$(OBJCOPY) -O elf64-x86-64 -I binary $< $@
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else ifeq ($(OSARCH), i386)
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$(OBJCOPY) -O elf32-i386 -I binary $< $@
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else ifeq ($(OSARCH), aarch64)
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$(OBJCOPY) -O elf64-littlearch64 -I binary $< $@
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endif
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$(NM) $@
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clean:
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rm -f kernel.map kernel_dump.map kernel_dump_intel.map $(OBJ) $(STACK_USAGE_OBJ) $(GCNO_OBJ) $(KERNEL_FILENAME)
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