删除rust_helloworld文件 (#113)

kernel/src/libs/Makefile

@@ -1,7 +1,7 @@
 
 CFLAGS += -I .
 
-kernel_lib_subdirs:= libUI sys libELF rust_helloworld
+kernel_lib_subdirs:= libUI sys libELF
 
 kernel_lib_objs:= $(shell find ./*.c)
 

kernel/src/libs/rust_helloworld/Makefile

@@ -1,13 +0,0 @@
-
-rust_helloworld_objs:= 
-
-ifneq ("$(RUSTC)", "")
-	rust_helloworld_objs += helloworld.o
-endif
-
-all: $(rust_helloworld_objs)
-
-helloworld.o: helloworld.rs
-	@echo Compile helloworld.o
-	@echo rustc=$(which rustc)
-	$(shell $(RUSTC) --crate-type staticlib --target x86_64-unknown-none -o helloworld.o helloworld.rs)

kernel/src/libs/rust_helloworld/helloworld.rs

@@ -1,17 +0,0 @@
-#![no_std]
-#![no_main]
-
-use core::panic::PanicInfo;
-
-#[no_mangle]
-pub extern "C" fn rust_helloworld_a_plus_b(a: i32, b: i32) -> i32 {
-    return a+b;
-}
-
-/// 这个函数将在panic时被调用
-#[panic_handler]
-fn panic(_info: &PanicInfo) -> ! {
-    loop {}
-}
-
-// rustc --crate-type staticlib  --target x86_64-unknown-none -o helloworld.o helloworld.rs