Revamp all the Makefiles (thanks @fincs @WinterMute)
... dependencies are now properly handled (e.g. header changes, etc.)
This commit is contained in:
TuxSH
@@ -1,69 +1,155 @@
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rwildcard = $(foreach d, $(wildcard $1*), $(filter $(subst *, %, $2), $d) $(call rwildcard, $d/, $2))
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#---------------------------------------------------------------------------------
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.SUFFIXES:
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(DEVKITPRO)),)
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>devkitPro")
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$(error "Please set DEVKITPRO in your environment. export DEVKITPRO=<path to>/devkitpro")
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endif
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include $(DEVKITPRO)/devkitA64/base_tools
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TOPDIR ?= $(CURDIR)
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include $(DEVKITPRO)/devkitA64/base_rules
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name := thermosphere
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#---------------------------------------------------------------------------------
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# TARGET is the name of the output
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# BUILD is the directory where object files & intermediate files will be placed
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# SOURCES is a list of directories containing source code
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# DATA is a list of directories containing data files
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# INCLUDES is a list of directories containing header files
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#---------------------------------------------------------------------------------
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TARGET := $(notdir $(CURDIR))
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BUILD := build
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SOURCES := src src/lib
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DATA := data
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INCLUDES := include
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dir_source := src
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dir_build := build
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dir_out := out
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#---------------------------------------------------------------------------------
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# options for code generation
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#---------------------------------------------------------------------------------
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ARCH := -march=armv8-a -mtune=cortex-a57
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ARCH := -march=armv8-a -mtune=cortex-a57
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CFLAGS := \
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-g \
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-O2 \
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-ffunction-sections \
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-fdata-sections \
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-mgeneral-regs-only \
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-fomit-frame-pointer \
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-std=gnu11 \
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-Werror \
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-Wall \
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-Wno-main \
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$(ARCH) $(DEFINES)
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ASFLAGS := -g $(ARCH)
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CFLAGS += $(INCLUDE) -D__CCPLEX__
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CFLAGS = \
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$(ARCH) \
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-g \
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-O2 \
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-ffunction-sections \
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-fdata-sections \
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-mgeneral-regs-only \
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-fomit-frame-pointer \
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-std=gnu11 \
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-Werror \
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-Wall \
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-Wno-main
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CXXFLAGS := $(CFLAGS) -fno-rtti -fno-exceptions -std=gnu++11
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LDFLAGS = -specs=linker.specs -g $(ARCH)
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ASFLAGS := -g $(ARCH)
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LDFLAGS = -specs=$(TOPDIR)/linker.specs -g $(ARCH) -Wl,-Map,$(notdir $*.map)
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objects = $(patsubst $(dir_source)/%.s, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.c, $(dir_build)/%.o, \
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$(patsubst $(dir_source)/%.S, $(dir_build)/%.o, \
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$(call rwildcard, $(dir_source), *.s *.c *.S))))
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LIBS :=
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#---------------------------------------------------------------------------------
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# list of directories containing libraries, this must be the top level containing
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# include and lib
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#---------------------------------------------------------------------------------
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LIBDIRS :=
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define bin2o
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bin2s $< | $(AS) -o $(@)
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endef
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#---------------------------------------------------------------------------------
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# no real need to edit anything past this point unless you need to add additional
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# rules for different file extensions
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#---------------------------------------------------------------------------------
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ifneq ($(BUILD),$(notdir $(CURDIR)))
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#---------------------------------------------------------------------------------
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.PHONY: all
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all: $(dir_out)/$(name).bin
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export OUTPUT := $(CURDIR)/$(TARGET)
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export TOPDIR := $(CURDIR)
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.PHONY: clean
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export VPATH := $(foreach dir,$(SOURCES),$(CURDIR)/$(dir)) \
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$(foreach dir,$(DATA),$(CURDIR)/$(dir))
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export DEPSDIR := $(CURDIR)/$(BUILD)
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CFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.c)))
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CPPFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.cpp)))
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SFILES := $(foreach dir,$(SOURCES),$(notdir $(wildcard $(dir)/*.s)))
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BINFILES := $(foreach dir,$(DATA),$(notdir $(wildcard $(dir)/*.*)))
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#---------------------------------------------------------------------------------
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# use CXX for linking C++ projects, CC for standard C
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#---------------------------------------------------------------------------------
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ifeq ($(strip $(CPPFILES)),)
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#---------------------------------------------------------------------------------
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export LD := $(CC)
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#---------------------------------------------------------------------------------
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else
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#---------------------------------------------------------------------------------
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export LD := $(CXX)
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#---------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------
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export OFILES_BIN := $(addsuffix .o,$(BINFILES))
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export OFILES_SRC := $(CPPFILES:.cpp=.o) $(CFILES:.c=.o) $(SFILES:.s=.o)
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export OFILES := $(OFILES_BIN) $(OFILES_SRC)
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export HFILES_BIN := $(addsuffix .h,$(subst .,_,$(BINFILES)))
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export INCLUDE := $(foreach dir,$(INCLUDES),-I$(CURDIR)/$(dir)) \
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$(foreach dir,$(LIBDIRS),-I$(dir)/include) \
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-I$(CURDIR)/$(BUILD)
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export LIBPATHS := $(foreach dir,$(LIBDIRS),-L$(dir)/lib)
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.PHONY: $(BUILD) clean all
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#---------------------------------------------------------------------------------
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all: $(BUILD)
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$(BUILD):
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@[ -d $@ ] || mkdir -p $@
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@$(MAKE) --no-print-directory -C $(BUILD) -f $(CURDIR)/Makefile
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#---------------------------------------------------------------------------------
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clean:
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@rm -rf $(dir_build)
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@rm -rf $(dir_out)
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@echo clean ...
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@rm -fr $(BUILD) $(TARGET).bin $(TARGET).elf
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$(dir_out)/$(name).bin: $(dir_build)/$(name).elf
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@mkdir -p "$(@D)"
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#---------------------------------------------------------------------------------
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else
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.PHONY: all
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DEPENDS := $(OFILES:.o=.d)
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#---------------------------------------------------------------------------------
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# main targets
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#---------------------------------------------------------------------------------
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all : $(OUTPUT).bin
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$(OUTPUT).bin : $(OUTPUT).elf
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$(OBJCOPY) -S -O binary $< $@
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@echo built ... $(notdir $@)
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$(dir_build)/$(name).elf: $(objects)
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$(LINK.o) $(OUTPUT_OPTION) $^
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$(OUTPUT).elf : $(OFILES)
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$(dir_build)/%.bin.o: $(dir_build)/%.bin
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%.elf:
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@echo linking $(notdir $@)
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$(LD) $(LDFLAGS) $(OFILES) $(LIBPATHS) $(LIBS) -o $@
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@$(NM) -CSn $@ > $(notdir $*.lst)
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$(OFILES_SRC) : $(HFILES_BIN)
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#---------------------------------------------------------------------------------
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# you need a rule like this for each extension you use as binary data
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#---------------------------------------------------------------------------------
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%.bin.o : %.bin
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#---------------------------------------------------------------------------------
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@echo $(notdir $<)
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@$(bin2o)
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$(dir_build)/%.o: $(dir_source)/%.c
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@mkdir -p "$(@D)"
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(dir_build)/%.o: $(dir_source)/%.s
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@mkdir -p "$(@D)"
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$(COMPILE.c) -x assembler-with-cpp $(OUTPUT_OPTION) $<
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-include $(DEPENDS)
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#---------------------------------------------------------------------------------------
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endif
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#---------------------------------------------------------------------------------------
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@@ -9,7 +9,7 @@ SECTIONS
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. = ALIGN(4);
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.text : {
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PROVIDE(lds_thermo_start = .);
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build/start.o (.text*)
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start.o (.text*)
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*(.text*)
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}
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@@ -35,16 +35,16 @@ SECTIONS
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. = ALIGN(16);
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. += 0x10000; /* 64 KiB stack */
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el2_stack_end = .;
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/* Page align the end of binary */
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. = ALIGN(512);
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PROVIDE(lds_el2_thermo_end = .);
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/* EL1 stack */
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. = ALIGN(16);
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. += 0x10000; /* 64 KiB stack */
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el1_stack_end = .;
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lds_thermo_end = .;
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/DISCARD/ : { *(.dynstr*) }
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@@ -1,7 +1,7 @@
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%rename link old_link
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*link:
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%(old_link) -T linker.ld --nmagic --gc-sections
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%(old_link) -T %:getenv(TOPDIR /linker.ld) --nmagic --gc-sections
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*startfile:
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crti%O%s crtbegin%O%s
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