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CC ?= clang
CFLAGS_MARCH ?= -march=rv32imacbzicntr_zicond_zicsr_zifencei_zihintpause_zilsd_zclsd_zabha_zacas_zbkb_zbkx_zcb_zcmp_zcmt
CFLAGS_OPT ?= -O3
CFLAGS ?= ${CFLAGS_MARCH} ${CFLAGS_OPT}
# Big-endian just for the sake of being weird
ifeq (${CC}, clang)
CC := ${CC} -target riscv32be-none-elf
endif
.PHONY: all dump load clean
all: blankscreen.hex
blankscreen.o: blankscreen.c
${CC} -I../rvcontroller-libraries ${CFLAGS} -ffreestanding -c -o blankscreen.o blankscreen.c
blankscreen.elf: ../rvcontroller-libraries/rvcontroller-init-be.o ../rvcontroller-libraries/rvcontroller-ecalls-be.o blankscreen.o
${CC} -T rvcontroller.ld -nostdlib -nostartfiles -Xlinker --no-warn-rwx-segments -o blankscreen.elf ../rvcontroller-libraries/rvcontroller-init-be.o ../rvcontroller-libraries/rvcontroller-ecalls-be.o blankscreen.o
dump: blankscreen.elf
riscv32be-none-elf-objdump -d blankscreen.elf
blankscreen.hex: blankscreen.elf
riscv32be-none-elf-objcopy -O ihex blankscreen.elf blankscreen.hex
load: blankscreen.hex
bash -c "wl-copy < blankscreen.hex"
clean:
rm -f blankscreen.hex blankscreen.elf blankscreen.o
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