diff options
Diffstat (limited to 'debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile')
| -rw-r--r-- | debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile b/debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile new file mode 100644 index 0000000..f406a52 --- /dev/null +++ b/debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile @@ -0,0 +1,34 @@ +# green-eye uproc demo firmware (RISC-V 64, bare metal) +# +# Uses clang + lld (no riscv64 GCC required): +# CC=clang, LD=ld.lld (absolute path to llvm-18 lld by default). +# Override with: make CC=... LLD=... + +# `?=` does not override make's built-in CC=cc, so choose clang explicitly; +# a command-line `make CC=...` still wins. +CC := clang +LLD ?= $(shell command -v ld.lld 2>/dev/null || echo /usr/lib/llvm-18/bin/ld.lld) +BUILD := build +TARGET := $(BUILD)/uproc_demo.elf + +CFLAGS := --target=riscv64-unknown-elf -march=rv64imac -mabi=lp64 \ + -mcmodel=medany -mno-relax -ffreestanding -nostdlib -fno-builtin \ + -fno-stack-protector -O2 -Wall -Wextra -I. +LDFLAGS := --ld-path=$(LLD) -nostdlib -static -Wl,-T,linker.ld -Wl,--no-relax +SRCS := start.S main.c + +.PHONY: all clean dump + +all: $(TARGET) + +$(TARGET): $(SRCS) linker.ld ge_uart.h + @mkdir -p $(BUILD) + $(CC) $(CFLAGS) $(SRCS) $(LDFLAGS) -o $@ + @echo "built $@" + +dump: $(TARGET) + @llvm-objdump-18 -d --no-show-raw-insn $(TARGET) | head -80 2>/dev/null || \ + objdump -d $(TARGET) | head -80 + +clean: + rm -rf $(BUILD) |
