[Modified] init laos compile env

.gitignore

@@ -1,2 +1,3 @@
 .vscode/
 build/
+ext/

CMakeLists.txt

@@ -43,7 +43,7 @@ add_executable(${LA_SIM_TARGET} ${LASIM_SRC})
 
 # ----- ----- 构建操作系统 ----- -----
 set(LAOS laos)
-add_subdirectory(${LAOS})
+# add_custom_target(${LAOS} make build)
 
 
 # ----- ----- 构建 Verilator 项目 ----- -----

laos/.gitignore

@@ -0,0 +1 @@
+build/

laos/CMakeLists.txt

@@ -1,8 +0,0 @@
-cmake_minimum_required(VERSION 3.12)
-
-set(LA_OS_TARGET ${PROJECT_NAME}-os)
-
-# get all cxx source files from lasim folder
-file(GLOB_RECURSE LAOS_SRC ${CMAKE_CURRENT_SOURCE_DIR}/*.c)
-
-add_executable(${LA_OS_TARGET} ${LAOS_SRC})

laos/Makefile

@@ -0,0 +1,26 @@
+LA_BIN_PATH	:= $(CURDIR)/../ext/loongarch32r-linux-gnusf-2022-05-20/bin
+LA_PREFIX	:= loongarch32r-linux-gnusf-
+
+CC	:= $(LA_BIN_PATH)/$(LA_PREFIX)gcc
+CXX := $(LA_BIN_PATH)/$(LA_PREFIX)g++
+OD	:= $(LA_BIN_PATH)/$(LA_PREFIX)objdump
+OC	:= $(LA_BIN_PATH)/$(LA_PREFIX)objcopy
+
+CMAKE	:= cmake
+
+BUILD_DIR := build
+$(shell mkdir -p $(BUILD_DIR))
+
+BIN		:= neula-os
+COMMON_DIR	:= COMMON
+
+FILES	:= $(shell find src -name *.c)
+
+.PHONY: build clean
+
+build:
+	$(CC) $(FILES) -o $(BUILD_DIR)/$(BIN)
+	$(OD) -D $(BUILD_DIR)/$(BIN) > $(BUILD_DIR)/$(BIN).dump
+
+clean:
+	rm -rf $(BUILD_DIR)

laos/include/common.h

@@ -0,0 +1,5 @@
+#ifndef COMMON_H__
+#define COMMON_H__
+
+
+#endif // COMMON_H__

laos/main.c

@@ -1,3 +0,0 @@
-int main() {
-    return 0;
-}

laos/src/main.c

@@ -0,0 +1,6 @@
+#include <stdio.h>
+
+int main() {
+    printf("%d", 123);
+    return 0;
+}