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45 lines
1.8 KiB
Makefile
45 lines
1.8 KiB
Makefile
#
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# Component Makefile
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#
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COMPONENT_SRCDIRS := .
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ifdef CONFIG_SPIRAM_ALLOW_BSS_SEG_EXTERNAL_MEMORY
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# This linker script must come before esp32.project.ld
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LINKER_SCRIPTS += esp32.extram.bss.ld
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endif
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#Linker scripts used to link the final application.
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#Warning: These linker scripts are only used when the normal app is compiled; the bootloader
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#specifies its own scripts.
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LINKER_SCRIPTS += $(COMPONENT_BUILD_DIR)/esp32.project.ld esp32.peripherals.ld
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#ld_include_panic_highint_hdl is added as an undefined symbol because otherwise the
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#linker will ignore panic_highint_hdl.S as it has no other files depending on any
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#symbols in it.
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COMPONENT_ADD_LDFLAGS += -L $(COMPONENT_PATH)/ld \
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-T esp32_out.ld \
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-u ld_include_panic_highint_hdl \
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$(addprefix -T ,$(LINKER_SCRIPTS)) \
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COMPONENT_ADD_LDFRAGMENTS += ld/esp32_fragments.lf linker.lf
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# final linking of project ELF depends on all binary libraries, and
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# all linker scripts (except esp32_out.ld, as this is code generated here.)
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COMPONENT_ADD_LINKER_DEPS := $(addprefix ld/, $(filter-out $(COMPONENT_BUILD_DIR)/esp32.project.ld, $(LINKER_SCRIPTS))) \
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$(COMPONENT_BUILD_DIR)/esp32.project.ld
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# Preprocess esp32.ld linker script into esp32_out.ld
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#
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# The library doesn't really depend on esp32_out.ld, but it
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# saves us from having to add the target to a Makefile.projbuild
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$(COMPONENT_LIBRARY): esp32_out.ld
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esp32_out.ld: $(COMPONENT_PATH)/ld/esp32.ld ../include/sdkconfig.h
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$(CC) -I ../include -C -P -x c -E $< -o $@
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COMPONENT_EXTRA_CLEAN := esp32_out.ld $(COMPONENT_BUILD_DIR)/esp32.project.ld
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# disable stack protection in files which are involved in initialization of that feature
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cpu_start.o: CFLAGS := $(filter-out -fstack-protector%, $(CFLAGS))
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