makefile

CHIP ?= attiny85

SIMAVR_ROOT = /usr
SIMAVR_INCLUDE = ${SIMAVR_ROOT}/include/simavr
SIMAVR_LIB = ${SIMAVR_ROOT}/lib

CFLAGS = -O3

default: tinyrom.hex

clean: 
	rm -f *.o tinyrom megarom tinykat megakat ckat

# avr-ld doesn't know about the MCU names, and the SRAM starts at
# different address for different chips
#
tinyrom: example.o 2fish_avr.o
	avr-ld example.o 2fish_avr.o -o $@
megarom: example.o 2fish_avr.o
	avr-ld example.o 2fish_avr.o -Tdata 0x800100 -o $@
hugerom: example.o 2fish_avr.o
	avr-ld example.o 2fish_avr.o -m avr6 -Tdata 0x800200 -o $@
tinykat: kat_test.o 2fish_avr.o
	avr-ld kat_test.o 2fish_avr.o -o $@
megakat: kat_test.o 2fish_avr.o
	avr-ld kat_test.o 2fish_avr.o -Tdata 0x800100 -o $@
hugekat: kat_test.o 2fish_avr.o
	avr-ld kat_test.o 2fish_avr.o -m avr6 -Tdata 0x800200 -o $@

# alternative to above: let avr-gcc figure it out for us
rom: example.o 2fish_avr.o
	avr-gcc -nostdlib -mmcu=${CHIP} $+ -o $@

kat: kat_test.o 2fish_avr.o
	avr-gcc -nostdlib -mmcu=${CHIP} $+ -o $@

ckat: kat_example.o 2fish_c_avr.o 2fish_avr.o
	avr-gcc ${CFLAGS} -mmcu=${CHIP} $+ -o $@

2fish_avr.o: 2fish_avr.s 2fish_avr.cfg
example.o: example.s 2fish_avr.cfg
kat_test.o: kat_test.s 2fish_avr.cfg

%.o: %.s
	avr-as -mmcu ${CHIP} -o $@ $<
%.o: %.c
	avr-gcc ${CFLAGS} -mmcu=${CHIP} -c -o $@ $<

%.hex: %
	avr-objcopy -j .text -j .data -O ihex $< $@

driver: driver.c
	c99 ${CFLAGS} $< -DMCU=${CHIP} -I ${SIMAVR_INCLUDE} -L ${SIMAVR_LIB} -lsimavr -lelf -o $@

test: driver
	./selftest.sh 2>&1 | sed /failed/q1
	@echo All tests OK.