Add linker script
Also get rid of genbackupisr hack: We can achieve the same thing with avr-objcopy which doesn't need additional software. We use the new bootloader setting for irq-save area of 0x800.
This commit is contained in:
Ralf Schlatterbeck
parent
edc7a59091
commit
406fb7ea44
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@ -218,14 +218,3 @@ endif
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symbols.c:
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symbols.c:
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cp ${CONTIKI}/tools/empty-symbols.c symbols.c
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cp ${CONTIKI}/tools/empty-symbols.c symbols.c
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cp ${CONTIKI}/tools/empty-symbols.h symbols.h
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cp ${CONTIKI}/tools/empty-symbols.h symbols.h
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# Generic rules for .hex, .eep and .sz (size) file:
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%.$(TARGET)$(CUSTOM_SUFFIX).hex: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).eep: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
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--change-section-lma .eeprom=0 -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).sz: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(ELF_SIZE) $<
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1
examples/osd/.gitignore
vendored
1
examples/osd/.gitignore
vendored
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@ -4,3 +4,4 @@
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*.osd-merkur-256
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*.osd-merkur-256
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*.osd-merkur-256.0
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*.osd-merkur-256.0
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*.osd-merkur-256.1
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*.osd-merkur-256.1
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*-combined
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@ -92,3 +92,24 @@ MODULES += core/net/mac core/net core/net/mac/sicslowmac \
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# core/net/ipv6 core/net/ipv4 core/net/ip \
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# core/net/ipv6 core/net/ipv4 core/net/ip \
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# core/net/rime \
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# core/net/rime \
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# core/net/rpl \
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# core/net/rpl \
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# Generic rules for .hex, .eep and .sz (size) file:
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%.$(TARGET)$(CUSTOM_SUFFIX).hex: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).eep: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
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--change-section-lma .eeprom=0 -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).sz: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(ELF_SIZE) $<
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flash: $(EXE).$(TARGET)$(CUSTOM_SUFFIX).u
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avr-size: $(EXE).$(TARGET)$(CUSTOM_SUFFIX).sz
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.PHONY: flash avr-size
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.PRECIOUS: %.$(TARGET)$(CUSTOM_SUFFIX) \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).hex \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).eep
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@ -37,6 +37,7 @@ CONTIKI_TARGET_SOURCEFILES += HardwareSerial.cpp HardwareSerial1.cpp
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CONTIKI_TARGET_SOURCEFILES += sg-ready.c
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CONTIKI_TARGET_SOURCEFILES += sg-ready.c
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CONTIKIAVR=$(CONTIKI)/cpu/avr
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CONTIKIAVR=$(CONTIKI)/cpu/avr
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THISPLATFORM=$(CONTIKI)/platform/osd-merkur-256
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CONTIKIBOARD=.
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CONTIKIBOARD=.
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BOOTLOADER_START = 0x3E000
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BOOTLOADER_START = 0x3E000
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@ -93,12 +94,20 @@ BOOTLOADER_GET_BOOT_NEXT=0x0003ffac
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BOOTLOADER_GET_CALLERS_PART=0x0003ffb0
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BOOTLOADER_GET_CALLERS_PART=0x0003ffb0
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BOOTLOADER_PARTITION=0
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BOOTLOADER_PARTITION=0
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TEXT_SECTION_LENGTH=0x1ef00
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PART_IRQVEC_SIZE=$(shell echo $$((0x800)))
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ifeq ($(BOOTLOADER_PARTITION),0)
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ifeq ($(BOOTLOADER_PARTITION),0)
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TEXT_SECTION_START=0x0
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TEXT_SECTION_START=0x0
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LOW_PARTITIONS=--only-section=.customlowtext --only-section=.text
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else
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else
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TEXT_SECTION_START=0x1ef00
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TEXT_SECTION_START=$(TEXT_SECTION_LENGTH)
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LOW_PARTITIONS=--only-section=.customlowtext
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endif
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endif
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PART_IRQVEC_BACKUP_START:=$(shell printf "0x%x" \
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$$(($(TEXT_SECTION_START) + $(TEXT_SECTION_LENGTH) - $(PART_IRQVEC_SIZE))))
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CUSTOM_SUFFIX=.$(BOOTLOADER_PARTITION)
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CUSTOM_SUFFIX=.$(BOOTLOADER_PARTITION)
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LDFLAGS += -Wl,--defsym,bootloader_get_mac=$(BOOTLOADER_GET_MAC) \
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LDFLAGS += -Wl,--defsym,bootloader_get_mac=$(BOOTLOADER_GET_MAC) \
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@ -114,7 +123,8 @@ LDFLAGS += -Wl,--defsym,bootloader_get_mac=$(BOOTLOADER_GET_MAC) \
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-Wl,--defsym,bootloader_get_boot_default=$(BOOTLOADER_GET_BOOT_DEFAULT) \
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-Wl,--defsym,bootloader_get_boot_default=$(BOOTLOADER_GET_BOOT_DEFAULT) \
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-Wl,--defsym,bootloader_get_boot_next=$(BOOTLOADER_GET_BOOT_NEXT) \
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-Wl,--defsym,bootloader_get_boot_next=$(BOOTLOADER_GET_BOOT_NEXT) \
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-Wl,--defsym,bootloader_get_callers_part=$(BOOTLOADER_GET_CALLERS_PART) \
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-Wl,--defsym,bootloader_get_callers_part=$(BOOTLOADER_GET_CALLERS_PART) \
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-Wl,--section-start=.text=$(TEXT_SECTION_START)
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-Wl,--defsym,__TEXT_SECTION_OFFSET__=$(TEXT_SECTION_START) \
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-T $(THISPLATFORM)/custom-avr6.xm
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include $(CONTIKIAVR)/Makefile.avr
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include $(CONTIKIAVR)/Makefile.avr
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@ -140,8 +150,31 @@ CUSTOM_RULE_LINK=1
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%: %.$(TARGET)$(CUSTOM_SUFFIX)
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%: %.$(TARGET)$(CUSTOM_SUFFIX)
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@
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@
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%.$(TARGET)$(CUSTOM_SUFFIX)-combined.hex: %.$(TARGET)$(CUSTOM_SUFFIX).hex
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# Generic rules for .hex, .eep and .sz (size) file:
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$(CONTIKI)/tools/genbackupisr.py $< > $@
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%.$(TARGET)$(CUSTOM_SUFFIX).hex: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .customlowtext -j .text -j .data -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).eep: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
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--change-section-lma .eeprom=0 -O ihex $< $@
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%.$(TARGET)$(CUSTOM_SUFFIX).sz: %.$(TARGET)$(CUSTOM_SUFFIX)
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$(ELF_SIZE) $<
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%.$(TARGET)$(CUSTOM_SUFFIX)-combined: %.$(TARGET)$(CUSTOM_SUFFIX)
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cp $< $@.tmp
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$(OBJCOPY) -O binary $(LOW_PARTITIONS) $< tmp.bin
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truncate -s $(PART_IRQVEC_SIZE) tmp.bin
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$(OBJCOPY) --add-section .upperlowtext=tmp.bin \
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--change-section-address .upperlowtext=$(PART_IRQVEC_BACKUP_START) \
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--set-section-flags .upperlowtext=alloc,load,contents,readonly \
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$@.tmp
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mv $@.tmp $@
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rm -f tmp.bin
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%.$(TARGET)$(CUSTOM_SUFFIX)-combined.hex: %.$(TARGET)$(CUSTOM_SUFFIX)-combined
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$(OBJCOPY) -j .upperlowtext -j .customlowtext -j .text -j .data \
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-O ihex $< $@
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flash: $(EXE).$(TARGET)$(CUSTOM_SUFFIX)-combined.u
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flash: $(EXE).$(TARGET)$(CUSTOM_SUFFIX)-combined.u
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@ -152,4 +185,5 @@ avr-size: $(EXE).$(TARGET)$(CUSTOM_SUFFIX).sz
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.PRECIOUS: %.$(TARGET)$(CUSTOM_SUFFIX) \
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.PRECIOUS: %.$(TARGET)$(CUSTOM_SUFFIX) \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).hex \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).hex \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).eep \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX).eep \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX)-combined \
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX)-combined.hex
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$(EXE).$(TARGET)$(CUSTOM_SUFFIX)-combined.hex
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269
platform/osd-merkur-256/custom-avr6.xm
Normal file
269
platform/osd-merkur-256/custom-avr6.xm
Normal file
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@ -0,0 +1,269 @@
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/* Script for -n: mix text and data on same page */
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/* Copyright (C) 2014-2015 Free Software Foundation, Inc.
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Copying and distribution of this script, with or without modification,
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are permitted in any medium without royalty provided the copyright
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notice and this notice are preserved. */
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OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
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OUTPUT_ARCH(avr:6)
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__TEXT_SECTION_OFFSET__ = DEFINED(__TEXT_SECTION_OFFSET__) ? __TEXT_SECTION_OFFSET__ : 0x0;
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__TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : 1024K;
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__DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : 0xfe00;
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__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : 64K;
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__FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : 1K;
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__LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : 1K;
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__SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : 1K;
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__USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : 1K;
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MEMORY
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{
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text (rx) : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__
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data (rw!x) : ORIGIN = 0x800200, LENGTH = __DATA_REGION_LENGTH__
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eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__
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fuse (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__
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lock (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__
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signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__
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user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__
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}
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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.hash : { *(.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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.rel.init : { *(.rel.init) }
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.rela.init : { *(.rela.init) }
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.rel.text :
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{
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*(.rel.text)
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*(.rel.text.*)
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*(.rel.gnu.linkonce.t*)
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}
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.rela.text :
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{
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*(.rela.text)
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*(.rela.text.*)
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*(.rela.gnu.linkonce.t*)
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}
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.rel.fini : { *(.rel.fini) }
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.rela.fini : { *(.rela.fini) }
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.rel.rodata :
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{
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*(.rel.rodata)
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*(.rel.rodata.*)
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*(.rel.gnu.linkonce.r*)
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}
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.rela.rodata :
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{
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*(.rela.rodata)
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*(.rela.rodata.*)
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*(.rela.gnu.linkonce.r*)
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}
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.rel.data :
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{
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*(.rel.data)
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*(.rel.data.*)
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*(.rel.gnu.linkonce.d*)
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}
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.rela.data :
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{
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*(.rela.data)
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*(.rela.data.*)
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*(.rela.gnu.linkonce.d*)
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}
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.rel.ctors : { *(.rel.ctors) }
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.rela.ctors : { *(.rela.ctors) }
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.rel.dtors : { *(.rel.dtors) }
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.rela.dtors : { *(.rela.dtors) }
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.rel.got : { *(.rel.got) }
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.rela.got : { *(.rela.got) }
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.rel.bss : { *(.rel.bss) }
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.rela.bss : { *(.rela.bss) }
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.rel.plt : { *(.rel.plt) }
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.rela.plt : { *(.rela.plt) }
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/* Internal text space or external memory. */
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.customlowtext : AT(__TEXT_SECTION_OFFSET__)
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{
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*(.vectors)
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KEEP(*(.vectors))
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/* For data that needs to reside in the lower 64k of progmem. */
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*(.progmem.gcc*)
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/* PR 13812: Placing the trampolines here gives a better chance
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that they will be in range of the code that uses them. */
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. = ALIGN(2);
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__trampolines_start = . ;
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/* The jump trampolines for the 16-bit limited relocs will reside here. */
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*(.trampolines)
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*(.trampolines*)
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__trampolines_end = . ;
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/* avr-libc expects these data to reside in lower 64K. */
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*libprintf_flt.a:*(.progmem.data)
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*libc.a:*(.progmem.data)
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*(.progmem*)
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. = ALIGN(2);
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/* For future tablejump instruction arrays for 3 byte pc devices.
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We don't relax jump/call instructions within these sections. */
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*(.jumptables)
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*(.jumptables*)
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/* For code that needs to reside in the lower 128k progmem. */
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*(.lowtext)
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*(.lowtext*)
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__ctors_start = . ;
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*(.ctors)
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__ctors_end = . ;
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__dtors_start = . ;
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*(.dtors)
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__dtors_end = . ;
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KEEP(SORT(*)(.ctors))
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KEEP(SORT(*)(.dtors))
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__custom_lowtext_end = . ;
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} > text
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.text __custom_lowtext_end + __TEXT_SECTION_OFFSET__ :
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AT(__custom_lowtext_end + __TEXT_SECTION_OFFSET__)
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{
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__custom_lowtext_end_skip = . ;
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/* From this point on, we don't bother about wether the insns are
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below or above the 16 bits boundary. */
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*(.init0) /* Start here after reset. */
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KEEP (*(.init0))
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*(.init1)
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KEEP (*(.init1))
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*(.init2) /* Clear __zero_reg__, set up stack pointer. */
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KEEP (*(.init2))
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*(.init3)
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KEEP (*(.init3))
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*(.init4) /* Initialize data and BSS. */
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KEEP (*(.init4))
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*(.init5)
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KEEP (*(.init5))
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*(.init6) /* C++ constructors. */
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KEEP (*(.init6))
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*(.init7)
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KEEP (*(.init7))
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*(.init8)
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KEEP (*(.init8))
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*(.init9) /* Call main(). */
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KEEP (*(.init9))
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*(.text)
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. = ALIGN(2);
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*(.text.*)
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. = ALIGN(2);
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*(.fini9) /* _exit() starts here. */
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KEEP (*(.fini9))
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*(.fini8)
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KEEP (*(.fini8))
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*(.fini7)
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KEEP (*(.fini7))
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*(.fini6) /* C++ destructors. */
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KEEP (*(.fini6))
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*(.fini5)
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KEEP (*(.fini5))
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*(.fini4)
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KEEP (*(.fini4))
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*(.fini3)
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KEEP (*(.fini3))
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*(.fini2)
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KEEP (*(.fini2))
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*(.fini1)
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KEEP (*(.fini1))
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*(.fini0) /* Infinite loop after program termination. */
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||||||
|
KEEP (*(.fini0))
|
||||||
|
_etext = . ;
|
||||||
|
} > text
|
||||||
|
.data :
|
||||||
|
{
|
||||||
|
PROVIDE (__data_start = .) ;
|
||||||
|
*(.data)
|
||||||
|
*(.data*)
|
||||||
|
*(.rodata) /* We need to include .rodata here if gcc is used */
|
||||||
|
*(.rodata*) /* with -fdata-sections. */
|
||||||
|
*(.gnu.linkonce.d*)
|
||||||
|
. = ALIGN(2);
|
||||||
|
_edata = . ;
|
||||||
|
PROVIDE (__data_end = .) ;
|
||||||
|
} > data AT> text
|
||||||
|
.bss ADDR(.data) + SIZEOF (.data) : AT (ADDR (.bss))
|
||||||
|
{
|
||||||
|
PROVIDE (__bss_start = .) ;
|
||||||
|
*(.bss)
|
||||||
|
*(.bss*)
|
||||||
|
*(COMMON)
|
||||||
|
PROVIDE (__bss_end = .) ;
|
||||||
|
} > data
|
||||||
|
__data_load_start = LOADADDR(.data);
|
||||||
|
__data_load_end = __data_load_start + SIZEOF(.data);
|
||||||
|
/* Global data not cleared after reset. */
|
||||||
|
.noinit ADDR(.bss) + SIZEOF (.bss) : AT (ADDR (.noinit))
|
||||||
|
{
|
||||||
|
PROVIDE (__noinit_start = .) ;
|
||||||
|
*(.noinit*)
|
||||||
|
PROVIDE (__noinit_end = .) ;
|
||||||
|
_end = . ;
|
||||||
|
PROVIDE (__heap_start = .) ;
|
||||||
|
} > data
|
||||||
|
.eeprom :
|
||||||
|
{
|
||||||
|
/* See .data above... */
|
||||||
|
KEEP(*(.eeprom*))
|
||||||
|
__eeprom_end = . ;
|
||||||
|
} > eeprom
|
||||||
|
.fuse :
|
||||||
|
{
|
||||||
|
KEEP(*(.fuse))
|
||||||
|
KEEP(*(.lfuse))
|
||||||
|
KEEP(*(.hfuse))
|
||||||
|
KEEP(*(.efuse))
|
||||||
|
} > fuse
|
||||||
|
.lock :
|
||||||
|
{
|
||||||
|
KEEP(*(.lock*))
|
||||||
|
} > lock
|
||||||
|
.signature :
|
||||||
|
{
|
||||||
|
KEEP(*(.signature*))
|
||||||
|
} > signature
|
||||||
|
.user_signatures :
|
||||||
|
{
|
||||||
|
KEEP(*(.user_signatures*))
|
||||||
|
} > user_signatures
|
||||||
|
/* Stabs debugging sections. */
|
||||||
|
.stab 0 : { *(.stab) }
|
||||||
|
.stabstr 0 : { *(.stabstr) }
|
||||||
|
.stab.excl 0 : { *(.stab.excl) }
|
||||||
|
.stab.exclstr 0 : { *(.stab.exclstr) }
|
||||||
|
.stab.index 0 : { *(.stab.index) }
|
||||||
|
.stab.indexstr 0 : { *(.stab.indexstr) }
|
||||||
|
.comment 0 : { *(.comment) }
|
||||||
|
.note.gnu.build-id : { *(.note.gnu.build-id) }
|
||||||
|
/* DWARF debug sections.
|
||||||
|
Symbols in the DWARF debugging sections are relative to the beginning
|
||||||
|
of the section so we begin them at 0. */
|
||||||
|
/* DWARF 1 */
|
||||||
|
.debug 0 : { *(.debug) }
|
||||||
|
.line 0 : { *(.line) }
|
||||||
|
/* GNU DWARF 1 extensions */
|
||||||
|
.debug_srcinfo 0 : { *(.debug_srcinfo) }
|
||||||
|
.debug_sfnames 0 : { *(.debug_sfnames) }
|
||||||
|
/* DWARF 1.1 and DWARF 2 */
|
||||||
|
.debug_aranges 0 : { *(.debug_aranges) }
|
||||||
|
.debug_pubnames 0 : { *(.debug_pubnames) }
|
||||||
|
/* DWARF 2 */
|
||||||
|
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
|
||||||
|
.debug_abbrev 0 : { *(.debug_abbrev) }
|
||||||
|
.debug_line 0 : { *(.debug_line .debug_line.* .debug_line_end ) }
|
||||||
|
.debug_frame 0 : { *(.debug_frame) }
|
||||||
|
.debug_str 0 : { *(.debug_str) }
|
||||||
|
.debug_loc 0 : { *(.debug_loc) }
|
||||||
|
.debug_macinfo 0 : { *(.debug_macinfo) }
|
||||||
|
/* SGI/MIPS DWARF 2 extensions */
|
||||||
|
.debug_weaknames 0 : { *(.debug_weaknames) }
|
||||||
|
.debug_funcnames 0 : { *(.debug_funcnames) }
|
||||||
|
.debug_typenames 0 : { *(.debug_typenames) }
|
||||||
|
.debug_varnames 0 : { *(.debug_varnames) }
|
||||||
|
/* DWARF 3 */
|
||||||
|
.debug_pubtypes 0 : { *(.debug_pubtypes) }
|
||||||
|
.debug_ranges 0 : { *(.debug_ranges) }
|
||||||
|
/* DWARF Extension. */
|
||||||
|
.debug_macro 0 : { *(.debug_macro) }
|
||||||
|
}
|
||||||
|
|
@ -1,14 +0,0 @@
|
||||||
#!/usr/bin/python
|
|
||||||
|
|
||||||
""" Generate backup ISR table from given .hex file
|
|
||||||
Output is written to out.hex
|
|
||||||
"""
|
|
||||||
|
|
||||||
import sys
|
|
||||||
import intelhex
|
|
||||||
|
|
||||||
ihex = intelhex.IntelHex (sys.argv [1])
|
|
||||||
bin = ihex.tobinstr () [:0x200]
|
|
||||||
|
|
||||||
ihex.puts (0x1ed00, bin)
|
|
||||||
ihex.tofile (sys.stdout, format="hex")
|
|
||||||
Loading…
Reference in a new issue