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-rw-r--r--debug/risc-v-gsp-rm-vm/firmware/uproc_demo/Makefile34
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)