mirror of
https://github.com/andreili/klipper.git
synced 2025-09-19 03:24:40 +02:00
e8356afa26
Change the command dispatch and response generation so that most of the work is done on pru0 instead of pru1. This allows more code to fit into the limited space on pru1. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
34 lines
985 B
Makefile
34 lines
985 B
Makefile
# Additional PRU build rules
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# Setup the toolchain
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CROSS_PREFIX=pru-
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dirs-y += src/pru src/generic
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dirs-y += lib/pru_rpmsg
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CFLAGS += -minrt -mmcu=am335x.pru1
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CFLAGS += -Ilib/pru_rpmsg/include -Ilib/pru_rpmsg/include/am335x
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CFLAGS_klipper.elf := $(filter-out -mmcu=%, $(CFLAGS))
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CFLAGS_klipper.elf += -Wl,-r -nostdlib -Wl,-T,src/pru/pru.lds
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CFLAGS_pru0.elf := $(filter-out -mmcu=%, $(CFLAGS)) -mmcu=am335x.pru0
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CFLAGS_pru1.elf := $(CFLAGS)
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# Add source files
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src-y += pru/main.c pru/gpio.c generic/timer_irq.c
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pru0-y := pru/pru0.c generic/crc16_ccitt.c command.c
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pru0-y += ../lib/pru_rpmsg/pru_rpmsg.c ../lib/pru_rpmsg/pru_virtqueue.c
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# Build the PRU binaries
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target-y += $(OUT)pru0.elf $(OUT)pru1.elf
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$(OUT)pru0.elf: $(patsubst %.c, $(OUT)src/%.o,$(pru0-y))
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@echo " Linking $@"
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$(Q)$(CC) $(CFLAGS_klipper.elf) $^ -o $(OUT)pru0.o
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$(Q)$(CC) $(CFLAGS_pru0.elf) $(OUT)pru0.o -o $@
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$(OUT)pru1.elf: $(OUT)klipper.elf
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@echo " Linking $@"
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$(Q)$(CC) $(CFLAGS_pru1.elf) $^ -o $@
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