# Makefile for m68hc11 boot loader/s19 interpreter

TARGET=m6811-elf
ASTAGS=-m68hc11 -mshort -mshort-double --strict-direct-mode --print-insn-syntax -I..

.PHONY: all
all: s19_interpreter_bootstrap.dump s19_interpreter_bootstrap.s19 s19_interpreter_bootstrap.lst
	@echo "*******************************************************************************"
	@echo "* s19_interpreter_bootstrap.bin is the (NOP padded) 256 byte binary image to send to the 68hc11"
	@echo "* s19_interpreter_bootstrap.dump is the same image with an 0xFF prepended for easy sending"
	@echo "* s19_interpreter_bootstrap.elf is an ELF format linkable image"
	@echo "*******************************************************************************"

s19_interpreter.o: s19_interpreter_includable.s s19_interpreter_core.s
	${TARGET}-as ${ASTAGS} -al=s19_interpreter.asmlist -o s19_interpreter.o s19_interpreter_includable.s

s19_interpreter_bootstrap.o: s19_interpreter_bootstrap.asm Makefile
	@echo '*** MAKING s19_interpreter_bootstrap.o'
	${TARGET}-as ${ASTAGS}                                                   -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
#	${TARGET}-as ${ASTAGS} --defsym ENABLE_RELOCATE=1                        -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
#	${TARGET}-as ${ASTAGS}                            --defsym DEBUG_STYLE=1 -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
#	${TARGET}-as ${ASTAGS} --defsym ENABLE_RELOCATE=1 --defsym DEBUG_STYLE=1 -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
#	${TARGET}-as ${ASTAGS}                            --defsym DEBUG_STYLE=2 -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
#	${TARGET}-as ${ASTAGS} --defsym ENABLE_RELOCATE=1 --defsym DEBUG_STYLE=2 -al=s19_interpreter_bootstrap.asmlist -o s19_interpreter_bootstrap.o s19_interpreter_bootstrap.asm
	@echo


s19_interpreter_bootstrap.elf: s19_interpreter_bootstrap.o
	@echo '*** MAKING s19_interpreter_bootstrap.elf'
	${TARGET}-ld --gc-sections -j .page0 -o s19_interpreter_bootstrap.elf -T ../handyboard.x s19_interpreter_bootstrap.o
	@echo

s19_interpreter_bootstrap.bin: s19_interpreter_bootstrap.elf
	@echo '*** MAKING s19_interpreter_bootstrap.bin'
	${TARGET}-objcopy -O binary -j .page0 --gap-fill 0x01 --pad-to 0x100 s19_interpreter_bootstrap.elf s19_interpreter_bootstrap.bin
	@[[ `stat -c '%s' s19_interpreter_bootstrap.bin` < 257 ]] || { \
		echo " *** FATAL ERROR: bootstrap will not fit into zero page ram!!"; \
		echo " *** s19_interpreter_bootstrap.bin: `stat -c '%s' s19_interpreter_bootstrap.bin` bytes, max: 256 bytes"; \
		false; \
	}
	@echo

s19_interpreter_bootstrap.dump: s19_interpreter_bootstrap.bin
	@echo '*** MAKING s19_interpreter_bootstrap.dump'
	echo -ne '\xFF' > s19_interpreter_bootstrap.dump
	cat s19_interpreter_bootstrap.bin >> s19_interpreter_bootstrap.dump
	@echo

s19_interpreter_bootstrap.s19: s19_interpreter_bootstrap.elf
	@echo '*** MAKING s19_interpreter_bootstrap.s19'
	${TARGET}-objcopy -j .page0 -O srec s19_interpreter_bootstrap.elf s19_interpreter_bootstrap.s19
	@echo

s19_interpreter_bootstrap.lst: s19_interpreter_bootstrap.elf
	@echo '*** MAKING s19_interpreter_bootstrap.lst'
	${TARGET}-objdump -Dsx -j .page0 s19_interpreter_bootstrap.elf > s19_interpreter_bootstrap.lst
	@echo

.PHONY: clean
clean:
	-rm s19_interpreter_bootstrap.{elf,bin,dump,s19,lst,o,asmlist} *~