2025-05-13 19:44:53 +08:00

33 lines
1.0 KiB
Makefile

# See LICENSE.SiFive for license details
# Recursive make is bad, but in this case we're cross compiling which is a
# pretty unusual use case.
CC = $(RISCV)/bin/riscv64-unknown-elf-gcc
OBJCOPY = $(RISCV)/bin/riscv64-unknown-elf-objcopy
COMPILE = $(CC) -nostdlib -nostartfiles -I$(RISCV)/riscv64-unknown-elf/include/ -Tlink.ld
ELFS = debug_rom debug_rom_nonzero
all: $(ELFS)
publish: DebugRomContents.scala DebugRomNonzeroContents.scala
mv $^ ../../src/main/scala/devices/debug
%.scala: %.raw
xxd -i $^ | sed -e "s/^unsigned char DebugRom.*/\/\/ This file was auto-generated by 'make publish' in debug\/ directory.\n\npackage freechips.rocketchip.devices.debug\n\nobject $(basename $<) {\n\n def apply() : Array[Byte] = { Array (/" \
-e "s/};/ ).map(_.toByte) }\n\n}/" \
-e "s/^unsigned int DebugRom.*//" > $@
DebugRomContents.raw: debug_rom
$(OBJCOPY) -O binary --only-section .text $^ $@
DebugRomNonzeroContents.raw: debug_rom_nonzero
$(OBJCOPY) -O binary --only-section .text $^ $@
%: %.S
$(COMPILE) -o $@ $^
clean:
rm -f $(ELFS) DebugRom*.raw