Bootstrap and definition library for programming STM32L100RC in ARM assembler. This was a class project to learn ARM assembly
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#####################################################################################
# File config
#####################################################################################
main_file = main.asm
startup_file = startup_stm32l100xc.s
lib_dir = lib/
#####################################################################################
# ASSEMBLER CONFIG
#####################################################################################
ASOPTS = --cpu Cortex-M3 -g --apcs interwork
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# Add library to include path
ASOPTS += -I$(lib_dir)
#####################################################################################
# LINKER CONFIG
#####################################################################################
LDOPTS = --cpu Cortex-M3 --strict
LDOPTS += --bestdebug
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LDOPTS += --ro-base 0x08000000 --entry 0x08000000 --rw-base 0x20000000
LDOPTS += --entry Reset_Handler --first __Vectors
# Verbose flags (run make V=1)
ifeq ($(V), 1)
LDOPTS += --summary_stderr --map --xref --callgraph --symbols
LDOPTS += --info summarysizes,sizes,totals,unused,veneers
endif
#####################################################################################
# EXTERNAL PROGRAMS
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#####################################################################################
# armlink, armasm, fromelf - exe files in Wine directory (with Keil installed)
# Disable Wine fixme warnings
ENVS = WINEDEBUG=fixme-all
# Stop DS-5 from trying to use it's internal unlicensed compiler (Attempt at DRM?)
ENVS += ARMCC5_ASMOPT='' ARMCC5_CCOPT='' ARMCC5_FROMELFOPT='' ARMCC5_LINKOPT='' ARMCOMPILER6_ASMOPT='' ARMCOMPILER6_CLANGOPT=''
ENVS += ARMCOMPILER6_FROMELFOPT='' ARMCOMPILER6_LINKOPT='' ARM_PRODUCT_PATH='' ARM_TOOL_VARIANT=''
# ARM_PRODUCT_PATH should be possible to use if you want to run linux version of those programs.
WINEPREFIX=$(ENVS) wine ~/.wine/drive_c/Keil_v5/ARM/ARMCC_505u2/bin
# ARM programs from Keil
LD = $(WINEPREFIX)/armlink.exe
AS = $(WINEPREFIX)/armasm.exe
FROMELF = $(WINEPREFIX)/fromelf.exe
# Native programs
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OBJDUMP = arm-none-eabi-objdump
STFLASH = st-flash
RM = rm
# --- END OF CONFIG ---
main_base = $(basename $(main_file))
startup_base = $(basename $(startup_file))
.PHONY: all build clean flash hex disasm
all: build
# Link object files to AXF file
output.axf: $(main_base).o $(startup_base).o
@echo "== Linking object files to $@ =="
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@$(LD) $(LDOPTS) --output $@ "$(main_base).o" "$(startup_base).o"
# Get BIN image file from AXF file
%.bin: %.axf
@echo "== Converting $< to $@ =="
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@$(FROMELF) --bincombined --output $@ $<
# Get Intel Hex file from AXF file
%.hex: %.axf
@echo "== Converting $< to $@ =="
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@$(FROMELF) --i32combined --output $@ $<
# Get Object file from Assembler source file
$(main_base).o: $(main_file)
@echo "== Compiling $< to $@ =="
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@$(AS) $(ASOPTS) --list $(main_base).lst -o $@ --depend $(main_base).d $<
$(startup_base).o: $(startup_file)
@echo "== Compiling $< to $@ =="
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@$(AS) $(ASOPTS) --list $(startup_base).lst -o $@ --depend $(startup_base).d $<
# Get binary image (compile and link)
build: output.bin
# Get hex image (compile and link)
hex: output.hex
# Run through assembler (checks for errors)
asm: $(main_base).o
# Run through linker
link: output.axf
# Flash using st-link
flash: output.bin
@echo "== Writing image to device via ST-Link =="
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@$(STFLASH) write "output.bin" 0x8000000
@echo "== Write OK! =="
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disasm: output.axf
@echo "== Disassembling $< to output.disasm =="
@$(OBJDUMP) -S -d $< > output.disasm
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# Remove temporary files
clean:
@echo "== Removing temporary files =="
$(RM) -f *.bak *.lnp *.iex *.hex *.elf *.axf *.htm *.lnp *.lst *.plg *.tra *.o *.map *.d *.dep *.disasm *.bin *.uvguix.*
$(RM) -rf ./RTE