Non-working c3 example

crt0.S comments are a problem and asm format is different

apps/c3-hello/Makefile

@@ -0,0 +1,34 @@
+PROJECT:=c3-hello
+
+DOCKER_IMAGE=riscv-dev
+DOCKER_CMD:=docker run --rm -v ${PWD}../../../:/data -w /data/apps/${PROJECT} ${DOCKER_IMAGE}
+PREFIX:=${DOCKER_CMD} riscv64-unknown-elf-
+
+CFLAGS+=-I../../common
+CFLAGS+=-fno-stack-protector
+CFLAGS+=-static-libgcc -fdata-sections -ffunction-sections
+CFLAGS+=-g -Os -march=rv32ima_zicsr -mabi=ilp32 -static
+LDFLAGS:= -T ../linker.ld -nostdlib -Wl,--gc-sections
+
+SRCS_C3 := $(wildcard *.c3)
+
+default: ${PROJECT}.bin
+
+${PROJECT}.a: $(SRCS_C3)
+	c3c --use-stdlib=no --no-entry --target elf-riscv32 static-lib $(SRCS_C3)
+
+crt0.o: ../crt0.s
+	${PREFIX}gcc ${CFLAGS} -c -o crt0.o ../crt0.s
+
+#${PROJECT}.elf: ${PROJECT}.a crt0.o ../linker.ld
+#	${PREFIX}ld ${LDFLAGS} -o ${PROJECT}.elf crt0.o hello.a
+
+${PROJECT}.elf: ${PROJECT}.a ../linker.ld
+	${PREFIX}gcc -o ${PROJECT}.elf ${CFLAGS} ${LDFLAGS} ../crt0.s hello.a
+
+${PROJECT}.bin: ${PROJECT}.elf
+	$(PREFIX)objcopy ${PROJECT}.elf -O binary ${PROJECT}.bin
+
+
+clean:
+	rm -f *.o *.a ${PROJECT}.elf ${PROJECT}.bin

apps/c3-hello/hello.c3

@@ -0,0 +1,19 @@
+//static uint32_t syscall(uint32_t id, uint32_t param) {
+//    register uint32_t a0 asm("a0") = (uint32_t)(param);
+//    register uint32_t a1 asm("a1");
+//    register uint32_t a7 asm("a7") = (uint32_t)(id);
+//
+//    asm volatile (
+//        "ecall"
+//        : "=r"(a1) // output
+//        : "r"(a0), "r"(a7) // input
+//        : "memory"
+//    );
+//    return a1;
+//}
+
+fn void main() @export("main") {
+    int x = 42;
+    TBD
+}
+